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Maintenance Li. rary

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Maintenance Information...
SY18-2121-1

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Second Edition, (September, 1985)
This major revision obsoletes SYl8-2l2l-0 and SN18-2262 (TNL).
Changes or additions to the text and illustrations are indicatedby a vertical line to the left of the change.

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IBM has prepared this maintenance manual for the use of IBM
customer engineers in the installation, maintenance, or repairof the specific machines indicated. IBM makes norepresentations that it is suitable for any other purpose.
It is possible that this material may contain reference to, or
information about, IBM products (machines and programs),
programming, or services that are not announced in your country.
Such references or information must not be construed to meanthat IBM intends to announce such IBM products, programming, orservices in your country.

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Publications are not stocked at the address given belowl
requests for IBM pUblications should be made to your IBM
representative or to the IBM branch office serving yourlocality.
A form for reader's comments. is provided at the back of thispUblication; if the form has been removed, comments may be
ad'dressed to IBM Corporation, Department 6Rl J, 180 Kost Road,
Mechanicsburg, PA 17055 U.S.A. IBM may use or distribute any of
the information you supply in any way it believes appropriate
without incurring any obligation whatever. You may, of course,
ccmtinue to use the information you supply.

©

1985

Copyright International Business Machines Corporation 1984,

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SAFETY NOTICECAUTION•
To avoid electrical shock, turn power o~~ and disconnect the power plug be~ore
exchanging any FRU.
.•
CRTs are under vacuum. All persons working near an exposed CRT should wearsa~ety glasses and long-sleeved clothing (or comparable protection).
•
•
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Do not power on without rear cover.
Do not adjust inside o~ the video unit.
The power attachment cable plug (when supplied) is approved ~or use with thisconsole and meets the relevant testing laboratory, country, or test-housestandards. For your sa~ety, the plug must be connected to a properly wired andgrounded receptacle. An improperly wired receptacle could place a hazardous
voltage on accessible metal parts o~ the work station.

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Rules for Safety•

If (1) you know the safety rules for working withelectrical and mechanical equipment and (2) you
observe the rules, you can work safely with IBM
equipment.

Always keep your CSR tool kit away from walkareas so that other persons cannot trip over it.
For example, keep the kit under a desk or table.

•

Observe good housekeeping practices in the areaof the machines while you are performing
maintenance and after completing it.

•

After maintenance, reinstall all safety devices,such as guards, shields, labels, and ground wires.
Exchange safety devices that are worn ordefective. (Remember: the safety devices protect
you from a hazard. You destroy their purpose if
you do not reinstall them when you havecompleted the service call.)

Do not fear electricity, but respect it.
While you are maintaining IBM equipment,(1) observe every safety precaution possible and(2) observe the following safety rules.

Work Environment••

Do not work alone in hazardous conditions ornear equipment that has dangerous voltages.
Always inform your manager if the conditions or
voltages are a possible problem.

Do not perform any action that makes the
product unsafe or that causes hazards for thecustomer personnel.

•

Before you start the equipment, ensure that other
CSRs and customer personnel are not in ahazardous position.

•

Do not wear loose clothing that can be trapped in
the moving parts of a machine. Ensure that thesleeves of your clothing are fastened or are rolled
above the elbow. If your hair is long, or if you
wear a neck scarf, fasten it to make it safe.

•

Insert your necktie into your clothing or fasten itwith a clip (preferably nonconductive) at
approximately 8 centimeters (3 inches) from its
end.

•

Lift the equipment or parts by standing or
Pl1shing up with your stronger leg muscles; thisaction removes the strain from the muscles inyour back. Do not lift any equipment or parts
that are too heavy for you.

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Put removed machine covers in a safe place while
you are servicing the machine. Reinstall thecovers before returning the machine to thecustomer.

IBM 3205 Color Display Console..

Electrical Safety•

If possible, always unplug the power·supply cablebefore you work on a machine. When you switch
off power at the wall box, lock the switch in theoff position or attach a DO NOT OPERATE tag(Z229·0237) to the switch.

Always look for possible hazards in your work
environment. Examples of hazards are: moist
floors, nongrounded extension cables, power
surges, and missing safety grounds.

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Note: A non·IBM attachment to an IBM machine
may be powered from another source and may becontrolled by a different switch or circuit
breaker.
•

Switch off all power before (1) removing or
assembling the main units of the equipment,(2) working near power supplies, (3) inspecting
power supplies, or (4) installing changes inmachine circuits.

•

Unless the maintenance documents specifically
instruct you, do not service the following parts
with power on if the part is removed from its
installed position in the machine: power supplies,
pumps, blowers, motor generators, and other units
with voltages that are more than 30 V ac or 42.4
V dc. (This rule ensures that correct grounding ismaintained.)•

If you really need to work on equipment that has

exposed live electrical circuits, observe thefollowing precautions:
Ensure that another person who is familiar
with the power· off controls is near you.
Another person must be there to switch off
the power, if necessary.

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Do not wear jewelry, chains, metal-frame
eyeglasses, or other personal metal objects,(Remember: if the metal touches the machine,
the flow of current increases because themetal is a conductor.)

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Do not touch mechanical parts when you are(1) lubricating a part, (2) checking for play, or(3) doing other similar work.

Use only insulated probe tips or extenders.
(Remember: worn or cracked insulation isunsafe.

Safety Glasses

Use only one hand while you are working onlive equipment. Keep the other hand in yourpocket or behind your back. (Remember:there must be a complete circuit for anelectrical shock to occur. This precaution
prevents your body from completing thecircuit!)•Using a hammer to drive pins or similar parts•

Using a power drill•

Using a spring hook to attach or remove a spring•

Soldering parts

When you use a tester, set its controls
correctly and use insulated probes that havethe correct electrical specification.

•

Cutting wire or removing steel bands•

Using solvents, chemicals, or cleaners to clean
parts

•

Working in any other conditions that could injure
your eyes.

Do not touch objects that are grounded, suchas metal floor strips, machine frames, orother conductors. Use suitable rubber matsobtained locally, if necessary.

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Mechanical Safety

Wear safety glasses when:Tools, Testers, and Field-Use Materialsf•When you are working with machines having
voltages more than 30 V ac or 42.4 V dc, observe
the special safety instructions given in customer
engineering memorandums (CEMs).

•

Do not use tools and testers that have not been
approved by IBM. Ensure that electrical handtools, such as Wire-Wrapl tools and power drills,
are inspected regularly.

•

Exchange worn and broken tools and testers.

•

Do not use solvents, cleaners, or oils that havenot been approved by IBM.

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Do not touch live electrical circuits with thesurface of a plastic dental mirror. (Remember:the surface of the dental mirror is conductive andcan cause damage and personal injury.)•

If an electrical accident occurs:

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Never assume: that power has been removed froma circuit. First, check that it has been removed.

1. ,Use caution; do not be a victim yourself.

2.

Switch off the power.

3.

Instruct another person to get medical aid.

4.

If the victim is not breathing, perform
mouth-to-mouth rescue breathing. See"Electrical Accidents-First Aid" (following).

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Safety NoticevSummary

Electrical Accidents- First Aid

Prevention is the main aid to electrical safety.
Always think about electrical safety and use goodpractice, for example:

When performing rescue procedures for an electrical
accident, do as follows:•

Ensure that the customer's power receptacle
matches the IBM equipment specifications.

•Inspect power cables and plugs; check for loose,damaged, or worn parts.

•

Review the procedure in the maintenancedocuments before you remove a part that canhold an electrical charge from the machine.
Carefully discharge the necessary parts exactly as
instructed by the procedure.

••

Use Caution: If the victim is still in contact withthe electrical· current source, remove the power;
to do this, you may need to operate the room
emergency power· off (EPO) switch or the
disconnecting switch. If you cannot find theswitch, use a dry wooden rod or othernonconductive object to pull or push the victim
away from contact with the electrical·current
source.

•Work Quickly: If the victim is unconscious, he/she
may need (1) mouth·to·mouth rescue breathing
and possibly (2) external cardiac compression if
the heart is not beating.

•Call for the Rescue Service: such as theambulance or the hospital. Instruct anotherperson to call for medical aid.

Do not use a normal light (for example, a tablelamp) as an extension trouble light at a machine.

N ever assume that a machine or a circuit is safe. No
machine is always completely safe. You may notknow the exact condition of a machine because, forexample:•The power receptacles could be defective.

•

Safety devices or features could be missing or
defective.

•

The maintenance and/or EC changes could bewrong or not complete.

•

The design could have a problem.

•

The machine could have damage, caused when it
was shipped.

•

The machine could have an unsafe change or
attachment.

•

An engineering change or a sales change could bewrongly installed.

•

The machine could be deteriorated (1) because itis old or (2) because it operates in an extreme
environment.

•

A part could be defective, therefore causing a
hazard.

•A part could be wrongly assembled.

vi

IBM 3205 Color Display Console(

Determine if the victim needs mouth·to·mouth rescue. breathing. If he/she does, perform the following
steps.
CAUTIONUse extreme care when you perform rescue
breathing for a victim who may have breathed-in
toxic fumes. Do not breathe-in air that the victim
has breathed-out.
1.

These are some of the ways that the condition of themachine could affect safety. Before you start a
service call or' procedure, use good judgment and use
caution.

c

Prepare for rescue breathing:a.

Ensure that the victim's airway is open andthat it is not obstructed; check the mouth for
objects that may be obstructing the airway,
such as chewing gum, food, dentures, or the
tongue.

b.

Place the victim on his/her back, put one
hand behind the victim's neck, and put theother hand on his/her forehead.

c.

Lift the neck with one hand, and tilt the headbackward by pressing on the forehead withthe other hand 0 .

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Look, listen, and feel to determine if the victim isbreathing freely:a.

Put your cheek near the victim's mouth and
nose.

b.

Listen and feel for the breathing-out of air.
At the same time, look" at the victim's chest
and upper abdomen to see if they move up
and down.

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c.

Remove your mouth to let the victim
breath-out, and check that the victim's chest
moves down D

If the victim is not breathing correctly:a.

()your hand; at the same time, rotate this same
hand so that you can pinch together thevictim's nostrils with your thumb and finger

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Keep the victim's head tilted backward (seeD). Continue to press on the forehead withBd.

Repeat steps band c once every 5 seconds
either until the victim breathes for himself/
herself or until medical aid comes.

Reporting Accidents

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b.

Open your mouth wide and take a deep
breath. Make a tight seal with your moutharound the victim's mouth IJ and blow into
the victim's mouth .

Report, to your field manager, all electrical accidents,
possible electrical hazards, and accidents that nearlyoccurred. (Remember: an accident that nearly occurs
might be caused by a design problem; your immediate
reporting ensures that the problem will be solved
quickly.)
Report also all small electrical shocks. (Remember: acondition that causes a small shock need only differ
slightly to cause serious injury.)

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Safety Notice

vii

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viii

IBM 3205 Color Display Console

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PREFACE

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The IBM 3205 Color Display Console is a console terminal that consists of threeunits: the video unit, logic unit, and keyboard unit. If one of the units fails
during operation, the customer should call IBM for console repair service. This
document provides the information that the IBM customer engineer needs to analyze
and repair units at the customer site. This manual assumes that the reader has abasic understanding of processors and display console and their relationship to one
another.
This manual contains the following information:
Chapter 1, "Introduction" on page 1-1 gives a general description of the IBM 3205.
Chapter 2, "Problem Determination Guide" on page 2-1 contains procedures to follow
when a problem occurs.
Chapter 3, "Removal and Replacement Procedures" on page 3-1 describes how to remove
and replace field-replaceable units CFRUs).
Chapter 4, "3205 Part Numbers" on page 4-1 lists the part numbers of the IBM 3205.
Chapter 5, "IBM 3205 Safety Inspection Guide" on page 5-1 identifies potentiallyunsafe conditions on machines that are being inspected. Each machine, as it was
designed and built, had required safety items installed to protect the owners,
operators, and service personnel from injury. The checklist in this chapter
addresses those items.
Appendix A, "IBM 3205 Installation Instructions" on page A-I describes how to setup
the IBM 3205 console and attach it to the processor.
Appendix B, "Packing Instructions" on page B-1 illustrates procedures to follow whenpacking is needed.
Related publications:
IBM 3179 Color Display Station Description, GA18-2177c'

IBM 3205 Color Display Console Operator Reference and Problem Determination Guide,
GA18-2339(~

IBM 4361 Processor Operating Procedures, GA33-1570
IBM 4381 Operations Manual, GA24-3949

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IBM 3205 Color Display Console

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CONTENTS

Chapter 1.

Introduction 1-1
1.1 Video Unit 1-1
1.2 Keyboard Unit 1-!
1.3 Logic Unit 1-1
1.4 Indicators, Switches, and Controls 1-4
1.4.1 Indicators 1-4
1.4.2 Switches and Controls 1-4
1.5 Operator Messages (LINE 25) 1-5
1.6 Offline Tests 1-6
1.7 Data Flow 1-7
1.8 122-key Keyboard (Keyboard-To-Display Test)
1.9 124-Key Keyboard (Keyboard-To-Display Test)

Problem Determination Guide 2-1
2.1 Console Quick Check 2-2
2.2 Symptom Index 2-4
2.2.1 Operator Messages 2-6
2.2.2 Power-On Light or Status Light Problem
2.2.3 Display Problem 2-11
2.2.4 Keyboard Problem 2-21
2.2.5 Audible Alarm Problem 2-24
2.2.6 Monocase/Dualcase Switch Problem 2-26
2.2.7 Color Switch Problem 2-27
2.2.8 Pedestal or Power Cord Problem 2-28
2.2.9 Security Key Problem 2-28
2.3 Offline Tests 2-29
2.3.1 Offline Test Procedure 2-31

Chapter 2.

Chapter 3.

5.1
5.2
5.3
5.4
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5.6
5.7

5.8

2-8

Removal and Replacement Procedures 3-1

3.1 Keyboard Unit 3-1
3.2 Logic Unit 3-2
3.2.1 Logic Unit Cover 3-2
3.2.2 Logic Board Assembly 3-4
3.2.3 Security Keylock Assembly
3.3 Video Unit 3-6

Chapter 4.
Chapter 5.

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1-8
1-9

3-5

3205 Part Numbers 4-1
IBM 3205 Safety Inspection Guide

Preparation 5-2
General Guidelines 5-2
General 5-3
Video Unit 5-4
Low Voltage 5-5High Voltage 5-5
Keyboard Unit (Membrane type) 5-6
Keyboard Unit (Capacitance type) 5-7

5-1

APpendix A.
A.!
A.2
A.3
A.4
A.5
A.6
A.7
A.S
A.9

IBM 3205 Installation Instructions A-I
Set Switches On the Underside of the Keyboard A-2
Attach Pedestal to Logic Unit A-3
Attach Pedestal to Video Unit A-5
Connect Cables to the Rear A-7
Attach Cable Clamp A-S
Set Power On A-9
Adjust the Brightness of Your Display A-IO
Check Audible Alarm A-II
Personalize the Console for the Operator A-12

Appendix B.
B.l
B.2
B.3
B.4

Packing Instructions

Video Unit B-1
Keyboard Unit B-1
Logic Unit B-2
Three Units In A Master Carton

B-1

B-2

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IBM 320S Color Display Console

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FIGURES

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1-1.
1-2.
1-3.
1-4.
1-5.
1-6.
1-7.
2-1.
2-2.
2-3.
2-4.
2-5.
2-6.
2-7.
2-8.
2-9.
2-10.
2-11.
2-12.
2-13.
2-14.
2-15.
2-16.
2-17 .

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2-18.
2-19.
2-20.
2-21.
2-22.
2-23.
2-24.
2-25.
2-26.
2-27.
2-28.
2-29.
2-30.
2-31.
2-32.
2-33.
2-34.
2-35.
2-36.
2-37.
2-38.
2-39.
2-40.
2-41.
2-42.
2-43.
2-44.
2-45.
3-1.
3-2.
3-3.
4-1.
4-2.
5-1.
5-2.
5-3.
5-4.
5-5.
A-I.

A-2.
A-3.
A-4.
A-S.
A-6.

Console Units, Accessories and Parts 1-2
IBM 3205 1-3
Setup Switches 1-5
Offline Test Pattern 1-6
IBM 3205 Data Flow 1-7
Keyboard-to-display test (I22-key keyboard) 1-8
Keyboard-to-display test (124-key Katakana keyboard)
Keyboard Cable 2-6
Keyboard Cable 2-7
Video Cable 2-8
Pin Voltages in Video Cable 2-10
Display A 2-11
Display B 2-11
Display C 2-12
Display D 2-12
Display E 2-12
Display F 2-13
Status Light 2-13
Status Light 2-14
Status Light 2-15
Test/Normal Switch 2-16
Video Cable 2-17
Status Light 2-17
Video Cable 2-18
Status Light 2-18
Test/Normal Switch 2-19
Without-Cursor Character 2-20
All Characters 2-21
Status Light 2-21
Some Character~ 2-22
Automatic Characters 2-22
Double Characters 2-22
Different Characters 2-23
Setup Switches 2-23
Audible Alarm 2-24
No Alarm 2-24
Video Cable 2-25
Audible Alarm Control Knob 2-25
Monocase/Dualcase (A/A,a) Switch 2-26
Color (00/0000) Switch 2-27
Pedestal 2-28
Power Cord 2-28
Security Key Failure 2-28
Offline Test Pattern 2-30
Switches Setting 2-31
All-character Pattern in Dualcase (A,a) 2-32
All-character Pattern in Monocase (A) 2-33
7-color Pattern 2-34
4-color Pattern 2-34
2-color Pattern 2-34
Setup Switches and Jumpers Status 2-35
Characters displayed in the Keyboard-to-disp1ay test
Logic Unit Cover 3-3
Logic Board Assembly 3-4
Security Keylock Assembly 3-5
IBM 3205 Final Assembly 4-1
Logic Unit 4-5
Video Unit 5-4
Grounding Pass Schematics 5-5
Grounding Pass Schematics 5-5
Keyboard Unit (Membrane type) 5-6
Keyboard Unit (Capacitance type) 5-7
Console and Parts A-I
Turn Keyboard A-2
Setup Switches A-2
Set Pedestal A-3
Lock Gray Latches A-3
Ensure Lock A-4

1-9

2-37

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A-7.
A-S.
A-9.

A-lO.

A-ll.

A-12.
A-13.
A-14.
A-IS.
A-16.

A-17 •

A-IS.
A-19.
A-20.
A-2l.
A-22.
A-23.
A-24.
A-2S.
A-26.
A-27.
A-2S.
B-1.

B-2.
B-3.
B-4.

Turn Video Unit A-S
Hook Pedestal to Video Unit A-S
Turn Video Unit A-6
Connect Video Cable A-7
Keyboard Cable A-7
Connect Power Cord A-7
Prepare Cable Clamp A-S
Close Cable Clamp A-a
Attach Cable Clamp A-S
Unlock Security Key A-9
Power off A-9
Plug in Power Cord A-9
Power on A-9
Set Switches A-lO
Adjust Brightness Control A-IO
Color Test Pattern A-lO
Check Audible Alarm A-II
Adjust Audible Alarm A-II
Set Test/Normal Switch A-II
Position the console A-12
Adjust Keyboard Angle A-12
Store Manual into Pocket A-13
Packing Video Unit B-1
Packing Keyboard Unit B-1
Packing Logic Unit B-2
Packing Three Units B-2

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IBM 320S Color Display Console

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CHAPTER 1.

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INTRODUCTION

The IBM 3205 Color Display Console is a seven-color (using only four colors),
display console that consists of three units: video unit, logic unit, and keyboard
unit. Figure I-Ion page 1-2 shows the individual console units, and Figure 1-2 onpage 1-3 shows the IBM 3205 prepared for normal operation.
The IBM 3205 is available in one model and has a 122-key typewriter keyboard (or124-key Japanese Katakana keyboard). No optional features exist.

1.1

VIDEO UNIT

The video unit, which connects to the logic unit by a cable, has an analog card,
power-supply assembly, and a 14-inch, high-resolution, cathode ray tube (CRT) thatcan display up to 1920 characters (24 lines of 80 characters). Seven colors (blue,
red, green, turquoise, pink, yellow, and white) can be obtained by combining thethree primary colors. The display surface has an operator information area (line25) that is separated from the remainder of the display image by a horizontal line.
The power supply in the video unit generates +12 V dc, +5 V dc, and +88 V dc, andsupplies +5 V dc and +12 V dc to the logic unit via the video cable. The +12 V dc
is used for the audible alarm on the logic card. The +88 V dc is used in the video
unit.
The video unit has a brightness control knob, a power on-off (I 0) switch and apower-on indicator.

[

For operator convenience, a pedestal makes it possible to tilt and rotate the video
unit.

1.2

KEYBOARD UNIT

The IBM 3205 keyboard unit has a 122-key typewriter keyboard (or 124-key Japanese
Katakana keyboard). The keyboard contains other special-function keys. Some keys
are typematic, that is, they will repeat their function for as long as they are held
down.
There are two types of keyboards:••

Membrane type (new type)
Capacitance type (old type)

Membrane-type keyboard has a plastic bottom-cover. Capacitance-type keyboard has ametallic bottom-cover. Both types are functionally the same and plug compatible.
The keyboard unit connects to the logic unit by a cable.

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1.3

LOGIC UNIT

The logic unit provides controls for the other units. It has a logic board and asecurity key. It has cable connections for the video unit, keyboard unit, and ahost processor.
The logic board contains the Test/Normal switch, Monocase/Dualcase switch, color
switch, audible alarm, and status light.

Chapter 1.

Introduction

1-1

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Video Unit

Monocase/Dualcase(A/A,a) Switch

Brightness
Control Knob

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Color

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On/Off (I 0)
Switch(00/0000) Switch

Status LightPower-OnLight

Test/Normal
SwitchLogic Unit;-;:F;;~~--- Security Key

Keyboard Unit

Audible Alarm
Volume Control Knob

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3205 MIM

Cable Clamp

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Security Keylock

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1-1.

Power Cable

Console Units, Accessories and Parts

IBM 3205 Color Display Console

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INDICATORSThe indicators provided are the status light on the logic unit and the power-on
light on the video unit. The power-on light is on when ac power is applied and dc
power is generated. When the Test/Normal switch is set to the Test position# thestatus light blinks after diagnostics verify the operation of the IBM 3205 hardware.
When the Test/Normal switch is set to the Normal position, the status light stays on
wh~n the IBM 3205 receives data or commands through the coaxial interface.
The audible alarm sounds under various conditions to attract the operator's
attention; it is also used to generate the keyboard~lick sound.
The bottom row on the display is used to indicate machine status and error
conditions to the operator by special symbols or by printed messages. This line isalso referred to frequently as line 25.

1.4.2

SWITCHES AND CONTROLSThe IBM 3205 has the following switches and controls:•

A Power I/O switch# which is on the video unit# controls the application of
power to all console units.

•

A Test/Normal switch on the logic unit sets the IBM 3205 to the normal mode ofoperation or places it in an offline-test mode.

•

A status light blinks when the Test/Normal switch is set to Test and stays on
when the switch is set to Normal and when the console receives a signal from thehost processor.

•

A Brightness control on the video unit allows for adjusting intensity of thescreen image.

•

An audible alarm knob at the rear of the logic unit allows for adjusting thevolume of the alarm and click.

•

A Monocase/Dualcase (A/A# a) switch, when set to Monocase (A)# displays all
characters in uppercase only. When set to Dualcase (A# a), the characters are
displayed in uppercase and lowercase.

•A security keylock provides a key-controlled lock for the IBM 3205. When the
key is in the off position, the screen changes to blanks (except for the cursor
and operator information area, after which data cannot be entered# modified# or
displayed at the console.

•

A Color switch (00/0000) changes the base colors on the display to simulate amonochrome screen.

•

Setup switches are located on the underside of the keyboard unit. Theirsettings define the keyboard language and are set by the CE during installation.

1-4

IBM 3205 Color Display Console

(
(
"'-

. ("'--/c,.,~.,.. , ... -. -,-_.. _.... _-- - - - - - - - - - - - - -The Setup switches on the underside of the keyboard unit must be set when the hostprocessor is installed.

c

1 234

1 234

Ig~F X X X xl Ig~F X X X X

ON

Setup Swi~chesOFF
Setup Switch label

Warning:cc

Do not set switches 1, 2, and 3 to ON position.

ON
OFF

(>

0

[

0
0
0

c'

•
•
•
•
•
•
•
•
•
•

0

0

0

0

•
•
• •
•
0

0

0

0

0

0

0

0

0

0

0

0

0

•
• •
• •
•
•
• •
•
•
•
0

0

0

0

0

•
•
•
•
•
•

0

0

0

0

0

0

0

0

0
0

0

Languages

Part
Number(Membrane)Part
Number(Capacitance)

US English
UK English
Canadian French
Japanese Katakana
Austrian IGerman
BelgianDanishFrench Azerty
ItalianNorwegianPortuguese
SpanishSpanish Speaking
Swedish1389100
1389124
1389106
1389126
13891021389104
1389108
13891101389112138911413891161389118
138912013891221385082
13855031385492
1385504
13854901385491138549313854941385495
138549613854971385498
13854991385500

~
a-OFF

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Figure1.5

1-3.

Setup Switches

OPERATOR MESSAGES (LINE 25)

For descriptions of the operator information area, refer to the host processor
operator's guide.

Chapter 1. Introduction

1-5

,
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1.6

0

OFFLINE TESTS()At the entry of the offline tests, the alarm sounds once. Several seconds later,
the test pattern appears (shown in Figure 1-4) and the status light blinks. At theentry of the keyboard-to-display operation. the cursor is rectangular and blinking.
When a key is pressed. the cursor becomes an underline.

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7

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Field

0',2 3<i5~i> <[1) () { ='" /\ I :?! $¢£¥R1I012345b78q~§·e%_8c-.,: +... -0 ........... , J ae;ouaoyaee; OUU~

ae:,ouae i DUae; 6ui'IAEibbAOYAEEIOUYCAEljjOAE:iOOA~i6UNabcdef9h i jk Imnopqrs tuvl~,(yzlBa~;*

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ABCDEFGHIJKLMHOPQRST~VWXyz~aA~i*o11-1 III PL'\

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Red

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Green

Blue
White ( 4 colors shown)@@!@@@@@ @!!!!!!(
Green!
Blue!
White!
Yellow
reverse image, pli~ki7gl underscored Pink

eee@eee@ eeeeeeee
Red

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eeeeeeee !!ft!t!! !I!@I!@I!@@ I!@@I!@@@@ I!@I!@@@@@

eeeeeeee _, I I I II ,(\\,--,)aBBBBBB1 aBBBBBBe
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Divider Line

1

TEST

Field
Field
Field
Field
Field
Field

Figure

'.

1-4.

0

e
e
0
e
e

All-character pattern
2 or 4-Color pattern(

7 -Color pattern
Setup switches
Flashing block cursor;'

Keyed-in characters are entered in this line.

, (

"'-/

Offline Test Pattern

Nate:This keyboard unit is a UK-English keyboard.
Bit 7 is off and bit 8 is on; all jumpers are off.

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1-6

IBM 3205 Color Display Console

(
1.7

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DATA FLOW

Figure 1-5'.

shows the IBM 3205 data flow.

Video Unit()

Logic Unit-------..,

r---

I

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I

•

(Video)RefreshControlandBufferC:c+5V,+12V I
Power on
Light

I

I

Brightness
Control
Knob

I
I(Communication)

Ilf"I

AnalogCircuit[

DisplayandCommunication
Controlc\~ Security Keylock Switchr-----(Keyboard)

Keyboard
andDiagnostic
Control

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Alarm

./

AudibleAlarm
VolumeControl
Knob

I

I

--_

..,
I
I
I
I
I

.J
Keyboard Unit

I___ ..JLc( Coaxial

ULJr-----...- Interface

Test/
NormalSwitchStatusLight

Figure

1-5.

Color
Switch(00/0000)

Monocase/
Dualcase
Switch(A/A,a)IBM 3205 Data Flow

Chapter 1. Introduction

1-7

o
1.8

122-KEY KEYBOARD (KEYBOARD-TO-DISPLAY TEST)

Notes:
1.

Regardless of which characters appear on the key tops, in test mode thecharacters shown below are displayed.

2.

When any key in the shaded area is pressed. the characte~ without the under~coreis displayed. When the key is released. the character w1th the underscore 15
displayed.

3.

The characters shown in this figure will be displayed when the IBM 3205 is in
test mode.

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Figure1-6.

Keyboard-to-display test (122-key keyboard)
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1-8

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IBM 3205 Color Display Console
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1.9

124-KEY KEYBOARD (KEYBOARD-TO-DISPLAY TEST)

Notes:
1.

Regardless of which characters appear on the key tops, the characters displayedin test mode are those shown below.

2.

When a key in the shaded area is pressed, the character without the underscoreis displayed. When the key is released, the character with the underscore isdisplayed.

3.

The characters shown in this figure will be displayed when the IBM 3205 is in
test mode.

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Figure1-7.

Keyboard-to-display test (124-key Katakana keyboard)

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Chapter 1. Introduction

1-9

·(

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1-10

IBM 3205 Color Display Cons.o1e

I

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CHAPTER 2. PROBLEM DETERMINATION GUiDE((',This chapter describes the procedures for analyzing and repairing problems in theprocessor console.

/'()

The chapter is arranged into 3 parts:•

Console Quick Check

C) •

•

Symptom Index•

Individual Tests based on the symptom

C

When you suspect console problems, start with the Console Quick Check. This check.
which subdivides the problem into categories (such as power. display, keyboard)
directs you to a Symptom Index from which has you perform individual tests.

(,~

After replacing any field replaceable unit (FRU), perform the Console Quick Check.
If no trouble is found. return to the processor problem analysis guide for further
instructions.

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Chapter 2. Problem Determination Guide

2-1

o
2.1

CONSOLE QUICK CHECK

Before you start the Console Quick Check answer the following:•

Have you alreadY performed the Console Quick Check for this problem?

Yes -Exchange the logic board and rerun the failing diagnostic or customer
program. If you still have a failure, invoke your support structure foryour host processor.

No

Continue with step 1.

STEPS

SETUP

1-

Record your original symptom.

2.

Set the console switch and controls as follows:
Switches and Controls

Position

Power On/Off (I 0)
Test/Normal
Monocase/Dualcase (A/A,a)Color (00/0000)
Security keylock
Audible Alarm volume control
Brightness Control

Off(O)
Test
A.a

•
•
•
•
•
•
•
3.

STEPS

I

~.

0000

horizontal position (unlocked)
fully clockwise
fully clockwise

Set power On/Off (I 0) to 1 (on).

CONDITIONSNo~INSTRUCTIONS

/""\

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(

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yes--------------~.~

4.

If the pOwer-on light is off.

Go to Symptom Index-Power onlight or Status lightproblems.

5.

If an operator error message(0;11, ~ 2. orCs;l3) is di splayed.

Go to Symptom Index-Operator
messages.

6.

If the status light fails to blink,

Go to Symptom Index-Power onlight or Status lightproblems.

7.

If the screen is blank,

Go to Symptom Index-Display
problems.

3.

If you have an obvious display
problem. (Refer to 2.2.3, "Display
Problem" on page 2-11).

Go to Symptom Index-Display
problems.

9.

If the block cursor is the only
character displayed above thedivider line. (see Figure 1-4)

Go to Symptom Index-Display
problems.

10.

If the block cursor is missing infield 5. (see Figure 1-4)

Go to Symptom Index-Keyboard
problems.

11.

If you suspect a broken key,Press the suspect key and go
to Step 13.

12.

If none of above conditions exists,

Press any keyboard key and go
to Step' 13.

2-2

/'

..

IBM 3205 Color Display Console

/"

((~

STEPS

CONDITIONSINSTRUCTIONS(

13.

If the block cursor is still
displayed,

Go to Symptom Index-Keyboard
Problems.

C'

14.

If the normal cursor fail todisplay,

Go to Symptom Index-Keyboard
problems.

15.

If all the characters in a line
appear correct. (See Figure 2-45 on
page 2-37>.

Go to 2.3. "Offline Tests" onpage 2-29.

16.

If incorrect characters appear,

Go to Symptom Index-Keyboard
problems.

17.

If none of conditions 1 through 16
exist.

Go to Symptom Index on next
page.

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Chapter 2. Problem Determination Guide

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2-3

".'1

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2.2

IIMPTOM INDEX,~•I\.1....

Select a category or a problem listed to the left of the charts. Then select a
symptom that seems closest to yours; then, go to the symptom number and perform theaction specified.

Category
OPERATORMESSAGES

If you have this symptom
Cs;J1
13;12
~3

Other messages.

Go To
Symptom 1
Symptom 2
Symptom 3
Symptom 4

POWER-ON OR
STATUS LIGHT
PROBLEMPower-on light is not on.
Power-on light is on, status light isoff.

Symptom 5
Symptom 6

DISPLAY PROBLEM

The characters at the top are either
larger or smaller than those at thebottom.

Symptom 7

The display is the correct width, but
its height is reduced or increased.

Symptom 8

There is a bright horizontal or verticalline in the center.

Symptom 9

The display is out of focus.

Symptom 10

The display is reduced in size.

Symptom 11

The display is off center and thecharacters are overlapping.

Symptom 12

The characters are magnified.

Symptom 13

The display appears to be weaving.

Symptom 14

The display is tilted.

Symptom 15

The display appears to be rolling fromleft to right or from right to left.

Symptom 16

The display appears to be rolling from
top to bottom or from bottom to top.

Symptom 17

The display has no picture and adjusting
the brightness has no effect.

Symptom 18

Raster only.

Symptom 18

Characters are not displayed above thedivider line.

Symptom 19

The red, green or blue color does notappear on the screen.
(See Figure 1-4 on page 1-6)

Symptom 20

Some characters are missing on thedisplay.

Symptom 20

0'

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Nate:

Missing one of the basic colors
makes the display appear as missing
characters on the screen.

()
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2-4

IBM 3205 Color Display Console

categoryIf you have this symptom

Go To

DISPLAY PROBLE"(continued)

A color is substituted by another color.

Symptom 21

Problems with highlighted characters(reversed. blinking. or underscore).

Symptom 22

Characters are deformed or parts areadded or missing.

Symptom 23

Characters on the screen are replacedwith other characters.

Symptom 24

Part of the screen becomes reddish.
greenish. or bluish.

Symptom 25

other display problems.

Symptom 26

The keyed-in characters appear, but not
the cursor.

Symptom 27

Keyed-in characters in test mode isdifferent from the keyboard-to-display
reference chart (Figure 1-6 onpage 1-8).

Symptom 32

You cannot type in any characters.

Symptom 28

You cannot type in some characters orsome control keys are not functional.

Symptom 29

Characters appear automatically without
typing them.

Symptom 30

Pressing a key once causes more than one
character to appear.

Symptom 31

The keyed-in character appears, but not
the cursor.

Symptom 27

The keyed-in character is different fromthe keyboard-to-display reference chart(Figure 1-6 on page 1-8).

Symptom 32

AUDIBLE ALAR"
PROBLE"The Audible Alarm sounds continuously.

Symptom 33

The Audible Alarm does not sound.

Symptom 34"onocasel'Dualcase
switch Problem

Monocasel'Dualcase (A/A,a) switch does
not work.

Symptom 35

Color switch
ProblemColor (00/0000) switch does not work.

Symptom 36

Pedestal 01" thepower cord
Problem

The pedestal or the power cord is broken
or malfunctioning.

Symptom 37

security Key
Problem

The display fails to go blank when the
security key ;s turned off.

Symptom 38

The security key message is displayedwhen the security key is turned on.

Symptom 38

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KEYBOARD PROBLE"

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Chapter 2. Problem Determination Guide

2-5

(',
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OPERATOR MESSAGES

2.2.1

SYMPTOM f: Cs;J 1 (logic unit error)
ACTION: Replace the logic board. Go to 3.2, ftLogic Unitft on page 3-2.
SYMPTOM 2:

Cs;I2 (keyboard or logic unit error)

ACTION:1.

Set the I/O switch to 0 (Off).

2.

Make sure the keyboard cable is firmly connected to the logic unit.

3.

Set the I/O switch to I (On).

4.

Is the symptom corrected!

YES -- Resume normal operation.
NO

Go to step S.

S.

Set the I/O ~witch to 0 (Off).

6.

Remove the keyboard cable.

l-.l.L_ _-.-1

Keyboard Cable

Figure2-1.

Keyboard Cable

7.

Set the I/O switch to I (On).

8.

Di d

Cs;I 2change to0;131

YES -- Replace the logic board.
NO -- Replace the keyboard.

2-6

Go to 3.2, ftLogic Unit" on page 3-2.

Go to 3.1, ftKeyboard Unit" on page 3-1.

c

IBM 3205 Color Display Console/

(
SYMPTOM 3:.

Cs;:l3 (keyboC!l ... d e ...... o ... )(ACTION:C

1.

Set the I/o switch to 0 (Off).

2.

Make su ... e the keyboa ... d cable is fi ... mly connected to the logic unit.

c·
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Keyboard Cable

Figure[2-2.

Keyboa ... d Cable3.

Set the I/o switch to I (On).

4.

Is Cs;J3 sti 11 di splayed?

YES

Replace the keyboa ... d.

NORetu ... n to no ...mal ope ... ation.

SYMPTOM ~:Go to 3.1, "Keyboa ... d Unit" on page 3-1.

Othe... Messages

ACTION:Fo ... a desc ... iption of othe ... host p ... ocesso ... 's ope ... ato ... info ...mation a ... eas,
refer to the host processo ... ope ... ato ... 's guide.

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Chapte ... 2. P... oblem Determination Guide

2-7

----

~--------~~.~-~~.~~-.

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2.2.2

~

POWER-ON LIGHT OR STATUS LIGHT PROBLEMSYMPTOM 5:CPower-on light is not on.

c=

ACTION:1.

Set the I/O switch to 0 (Off).

2.

Make sure the voltage source is correct at the power outlet.

3.

Reseat the power cord firmly in the video unit.

4.

Set the I/O switch to5.

Does the Power-on light come on?
NO

Set the I/o switch to 0 (off) and go to step 6.

YES

Resume normal operation.

Unplug the keyboard cable.

7.

Set the I/O switch to I (On).

8.

Does the power-on light come on?

9.

r-'
• ~J

(on).

6.

NO

Go to Step 9.

YES

Replace the keyboard.

C~:

o.

C
(~

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:--~".

~j/\'",,-jSet the I/o switch to 0 (Off).

10. Unplug the video cable; wait 30 seconds.

:-~

11. Set the I/O switch to I (On).
12. Does thepower-on light come on?

NO

Go to Step 13.

YES

Replace the logic board.

13. Disconnect the power cord from the video unit and check for propel- voltage.
Is the voltage correct?

YES

Exchange the video unit.

NO

Exchange the power cord.

Go to 3.3. "Video Unit" on page 3-6.
I

"-

.(

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Video Cable

Figure2-8

2-3.

Video Cable

IBM 3205 Color Display ConsoleccSYMPTOM 6.

Power-on light is on, but Status light is off.

('

ACTION:c

1.

Set the I/O switch to 0 (Off).

2.
3.

Set the Test/Normal switch to Test.
Set the I/O switch to I (On).

() •

4.

Did the alarm sound!

() •

c
c~

f
(/

5.

YES

~o

NO

Go to Step 10 .

to Step 5.

Is the status light blinking?

YES -- Go to Step 6.
NO

Make sure the video cable is firmly connected to the logic unit. If
you still have a problem, replace the logic unit. Go to "Logic Unit"on page 3-2.

6.

Set the I/O switch to 0 (Off).

7.

Set the Test/Normal switch to Normal.

8.

Set the I/O switch to I (On).

9.

Is the status light still off?

YES -- Perform coaxial cable check.

[

Test the coaxial cable from the 3205 to the host system as follows:a.

Ensure the coaxial cable is connected to the system.

b.

Disconnect the coaxial cable from the 3205.

c.

Measure the resistance from the center pin of the connector on thecable to the outer case of the connector. (Use the RxlO range.)d.

Is the resistance between 1.8K ohms and 2.6K ohms!

(•

Yes - The coaxial cable check is correct. Go to START for the hostprocessor MI if you have not ~lready done so. If you have alreadybeen to START, replace the logic board and rerun the failing
operation. If the 3205 still fails, invoke your support structure.

(~,•

No - Go to step e.

e.

Check for one of the following problems.

•

Open or shorted coaxial cable or coaxial cable connector.

•

Open or shorted host system cabling.

•

Open or shorted host system driver card.

(~\

()
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C:! .

C

If you cannot find the problem, invoke the support structure for yourhost processor.

NO

Return to normal operation.

10. Set the I/O switch to 0 (Off).
11. Disconnect the video cable from the logic unit.

C
C';

fC

Chapter 2.

Problem Determination Guide

2-9

12. Set the 11'0 switch to I (On).
13. Measure the following voltages:
Pin 5 (+5V) and pin 9 (ground)Pin 7 (+5V) and pin 9 (ground)Pin 12 (+12V) and pi n 9 (ground)cVideo Cable(i"+12 V de (Pin 121
GND (Pin 91+5 V de (Pin 5 and 7).LoFigure2-4.

31211104321~

000000000000~0H~~y~!~~g~~~~0176

Pin Voltages in Video Cable

14. Are all voltages present!
YES

Replace the logic board.

Go to 3.2, "logic Unit" on page 3-2.

NO

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

c
2-10

IBM 3205 Color Display Console

('
2.2.3

SY"PTO" 7:cbottom.

cc

DISPLAY PROBlE"
The characters at the top are either larger or smaller than those at the

ABCDEFGHiIJKLMNOPQRSTUVW'XYZ123
ABCDEFGH'IJKLMNOPORSTUVWXYZI23ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123•

ABeD EF GH IJKLMN OPO A5TUVW XyZ123
ABeD EF GH IJ KLMN opa RS TUVW XYl123
ABC 0 EF GH IJK LMN OPO RS TuvW XyZI23
ABC 0 EF GH IJKLMN a PO RS TUVW XyZ12 3
ABC 0 EF GH UK LMN opa RS TUVW XYZ12 3
ABeD EF G H1JK LMN 0 paRS TUVW x yl123
ABC 0 EF GH ,JK LMN 0 PO RSTUVW X '(212 3
ABC 0 EF GM IJK LMN 0 PQRS TUVW X Y212 3
ABC 0 E FGH IJK LMN 0 PO ASTUV W X YZl2 3cc'

ABC 0 E F GH IJK Ltt'lN 0 PO RSruvW x YZ12 3

Figure2-5.

Display A

ACTION:

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

(~
SY"PTO" 8:

The display is the correct width, but its height is not normal.

(", .. ~

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ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCOEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNQPQRSTUVWXYZ123
ABCDEFGHIJKlMNOPORSTUVWXYZ123
ABCDEFGHIJKlMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123

or

Figure2-6.

ACTION:

Replace the video unit.

SYHPTO" 9:ACTION:

Display B
Go to 3.3, "Video Unit" on page 3-6.

There is a bright horizontal or vertical line in the center.

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

j

C

c; .

SYHPTO" 10:
ACTION:The display is out of focus.

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

("

CI

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Chapter 2. Problem Determination Guide

2-11

v
I'"~

SYMPTOM 11:

'

(~
~.

The display is smaller than normal.

cc.... CDEFGHIJKLMNOPOflSTUVWKYZI23
AaCOIEFGHIJKI.MNOf'QRSTUVWJlYZI23

AIlCOEFGHIJI(\.MNOI"QRSTUVWXVZl23
A8Ctl&FGHIJKLMNOPQRSTUVWXYZI23

AIICDEFGMIJI(lMNOl'ORSTUVW)CYZl23
MCDEfGHIJI(LMNOI"QRST1JVWX,(ZI23
AlCUEFGM'#;LMNOI'ORSTUWflI,YZI23ABCDEFGHIJICLMNOPQRSTUYWXYZI23AICDEfGHIJlCl.MNOl'QASTUVWXYZ 121
AIICDEFGHIJKLMNOI'ORSTUYWXYZl21

A8C0EFGHIJlCLMNOPORSTUVWX'fZ123
AllCDEFGHIJI(UIlNOl"QRSTUVWXYZ123(--.

AecotFOMIJKLMNOPORSTUVWXYZ 123

A8CDEFGHUKLMNOPORSTUYWXYZI21

~j

2-7.

ACTION:

Replace the video unit.

('"

Display C

Figure/Go to 3.3, "Video Unit" on page 3-6.

("~/

The display is off center and the characters are overlapping.

\. ./

(\

SYMPTOM 12:
ACTION:

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.
(

~--"

\

~)

SYMPTOM 13:

The characters are magnified.

(.---\\,,-~BCDE FG HIJK LMNOPQRSTUVWXYZ 12
BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ12BCD EFGH IJK LMNOPQRSTUVWXYZ 12
BCDEFGHIJKLMNOPQRSTUVWXYZ12BCDEFGHIJKLMNOPQRSTUVWXYZ 12

Display D

Figure2-8.

ACTION:

Replace the video unit.

SYMPTOM U:

f'~

Go to 3.3, "Video Unit" on page 3-6.

The display appears to be weaving.

ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNDPQRSTUVWXYZ123
ABCDEFGHIJKLMNDPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPQRSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ123
ABCDEFGH1JKLMNOPORSTUVWXYZ123
ABCDEFGHIJKLMNOPORSTUVWXYZ 123
ABCDEFGHIJKLMNOPORSTUVWXYZ 123·c

Display E

Figure2-9.

ACTION:

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

ccc:··.·'~

2-12

IBM 3205 Color Display Console,,t(" .-...,

SYMPTOM 15:

The display is tilted.

c\
().

c
c

Figure2-10.

ACTION:

Replace the video unit.

SYMPTOM 16:
left.

Display F
Go to 3.3. "Video Unit" on page 3-6.

The display appears to be rolling from left to right or from right to

ACTION:

[
{

\

1.

Set the I/o switch to 0 (Off).

2.

Make sure the video cable is firmly connected to the logic unit.

3.

Set the I/o switch back to I (On).

4.

Turn the security key and the Brightness Control knob fully clockwise.

5.

Make sure the Power-on light is on.

6.

Set the Test/Normal switch to Test.

7.

Does the symptom disappear?

"

8.

NO

Go to step 8.

YES

Return to normal operation.

Is the status light continuously blinking?
NO

Replace the logic board.

Go to 3.2, "logic Unit" on page 3-2.

YES

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

'C
()

c·
Figur~

2-11.

Status light

Chapter 2. Problem Determination Guide

2-13

If >0...)',""SYMPTOM 17.
top.

The display appears to be rolling from top to bottom or from bottom toc

ACTION:l.

Set the I/O switch to 0 (Off).

2.

Make sure the video cable is firmly connected to the logic unit.

3.

Set the I/O switch back to I (On).

4.

Turn the security key and the Brightness Control knob fully clockwise.

5.

Make sure the Power-on light is on.

6.

Set the Test/Normal switch to Test.

7.

Does the symptom disappear!

8.

NO

Go to step 8.

VES - -

Return to normal operation.

cIs the Status light continuously blinking!

NO -- Replace the logic board.

Go to 3.2, "Logic Unit" on page 3-2.

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

VES - -

Status Light.r
Figure2-12.

Status Light

c:
2-14

IBM 3205 Color Display Console

((~

SVMPTOM 181(

The display has no picture and adjusting the brightness has no effect.

ACTION:

c'

c
c

•

1.

Set the I/O switch to 0 (Off).

2.

Make sure the video cable is firmly connected to the logic unit.

3.

Set the I/O switch back to I (On).

4.

Turn the security key and the Brightness Control knob fully clockwise •5.

Make sure the Power-on light is on.

•

C

NO

Go to "Symptom 5" on page 2-S .

YES

Go to step 6.

6.

Set the Test/Normal switch to Test.

7.

Does the symptom disappear?

("NO

Go to step S.

VES

Return to normal operation.

-~/

(~

S.

Is the Status light continuously blinking!

(/

VES

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

NO

Replace the logic board.

Go to 3.2, "Logic Unit" on page 3-2.

[
Status Light

C':
(-'

Figure2-13.

Status Light

C

c;
C.
C.
C
C
•

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Chapter 2.

Problem Determination Guide

2-15

o
c

SYMPTOM 19r Characters are not displayed above the divider line.
ACTION:
1. If eyl, ~2, or ~3 is displayed, go to 2.2.1 Symptom 1, 2, or 3, respectively.
2.

Turn the security key off and then on (fully clockwise).

3.

Set the Test/Normal switch to Test.

ccFigure4.

2-14.

Test/Normal Switch

Are characters displayed above the divider line!
YES

Go to step S.

NO

Exchange the logic board.

Go to 3.2, nLogic Unit n on page 3-2.

S.

Set the Test/Normal switch back to Normal.

6.

If the $Ymptom still continues, check that the coaxial cable is attached to theconsole.

7.

Test the coaxial cable from the 320S to the host system as foilowsla.

Ensure the coaxial cable is connected to the system.

b.

Disconnect the coaxial cable from the 320S.

c.

Measure the resistance from the center pin of the connector on the cable tothe outer case of the connector. (Use the RxlO range.)d.

Is the resistance between 1.8K ohms and 2.6K ohms!

•

No - Go to step e.

•

Yes - The coaxial cable check is correct. Go to START for the hostprocessor MI if you have not already done so.
If you have already been to START, replace the logic board and rerun the
failing operation. If the 320S still fails, invoke your support structure
for the host processor.

e.

Check for one of the following problemsl•

Open or shorted coaxial cable or coaxial cable connector.

•

Open or shorted host system cabling.

•

Open or shorted host system driver card.

,r-\
\
/

'''''------'.c:'

If you cannot find the problem, invoke your support structure for your hostprocessor.

c
2-16

IBM 320S Color Display Console

('
SYMPTOM 20: The red, green, or blue color does not appear on the screen, or somecharacters are missing on the display.
ACTION:c

1.

Change the setting of the color (00/0000) switch.

2.

Does the missing color appear!

()

c-

NO

Go to step 3.

YES

Return to normal operation.

3.

Set the I/O switch to 0 (Off).

4.

Make sure the video cable is firmly connected to the logic unit.

c

NO

Resume normal operation.

YES

Go to step 5.

c
(

(

[
c

Video Cable

Figure2-15.

Video Cable5.

Set the I/O switch to6.

Turn the security key on (fully clockwise).

7.

Set the Test/Normal switch to Test.

8.

Is the Status light continuously blinking!

(~

(On).

YES

Go to step 9.

NO

Replace the logic board.

Go to 3.2. nLogic Unit n on page 3-2.

()

c'
c'
c

Figure9.

2-16.

Status LightDo red, green, and blue appear on the test pattern (see Figure 1-4 on page 1-6)!
YES -- The problem is not in your IBM 3205. Set the Test/Normal switch backto Normal. Check host problem determination procedures. Invoke yoursupport structure.
NO

Replace the video unit.

Go to 3.3. "Video Unit" on page 3-6.
Chapter 2. Problem Determination Guide

2-17

(f"','-'I

SYMPTOM 21:

A color is substituted by another color.

ACTION:
1.

Change the setting of the color (00/0000) switch.

2.

Does the missing color appear?

NO

Go to step 3.

YES

Return to normal operation.

3.

Set the I/O switch to 0 (Off).

4.

Make sure the video cable is firmly connected to the logic unit.

C
C

c
c

Video Cable

Figure2-17.

Video Cables.

Set the I/O switch to I (On).

6.

Turn the security key on (fully clockwise).

7.

Set the Test/Normal switch to Test.

8.

Is the Status light continuously blinking?

YES

Go to step 9.

NO

Replace the logic board.

Go to 3.2. nLogic Unit" on page 3-2.

Status light

Figure9.

2-18.

Status LightDo red. green. and blue appear on the test pattern (see Figure 1-4 on page 1-6)?

YES -- The problem is not in your IBM 3205.

Set the Test/Normal switch backto Normal. Check host problem determination procedure. Invoke yoursupport structure.

NO

2-18

Replace the video unit.

IBM 3205 Color Display Console

Go to 3.3. nVideo Unit n on page 3-6.

c

SYMPTOM 22: Problems with highlighted characters (reversed, blinking, orunderscore) .
ACTION:c

1.

Set the Test/Normal switch to Test.

()

()-

c

Figure

c

2.

(
4[~

2-19.

Are there highlighted characters in the test pattern?
YES

Invoke your support structure.

NO

Replace the logic board.

SYMPTOM 23:
ACTION:SYMPTOM 24:C'

SYMPTOM 25:

C
C
C' ..

ACTION::

Go to 3.2, "logic Unit" on page 3-2

Characters are deformed or parts are added or missing.

Replace the logic board.

[('

Test/Normal Switch

Go to 3.2, "logic Unit" on page 3-2.

Characters on the screen are replaced with other characters.

Replace the logic board.

Go to 3.2, "Logic Unit" on page 3-2.

Part of your screen becomes reddish, greenish, or bluish.

ACTION:1.

Set the I/O switch to 0 (Off).

2.

Wait around 15 minutes.

3.

Set the I/o switch to I (On).

4.

Does your symptom remain?
YES

Repeat steps 1, 2, and 3; then go to step 5.

NO

Return to normal operation.

\

c·
c

5.

If your symptom remains, replace the video unit. Go to 3.3, "Video Unit" onpage 3-6.

SYMPTOM 26:

Other display problems.

ACTION:
1.

Replace the video unit.

Go to 3.3, "Video Unit" on page 3-6.

2.

If the symptom still continues, replace the logic board.
Unit" on page 3-2.

Go to 3.2, "logic

Chapter 2. Problem Determination Guide

2-19

c
SY"PTO" 27:

Keyed-in ehe~acter appea~s, but the cu~so~ does not.

c
2-20.

Figu~eACTION:

Without-Cu~so~ Cha~acte~

Replace the logic boa~d.

Go to 3.2, "Logic Unit" on page 3-2.

C~

","\
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j

2-20

IBM 3205 Colo~ Display Console----'.-

- - -

(
(~'

2.2.4

(~

KEYBOARD PROBlE"

SYMPTO" 28:c

You cannot type in any characters.

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•

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FigureC(

2-21.

All Characters

ACTION:1.

Set the Test/Normal switch to Test.

2.

Is the Status light continuously blinking?

{

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c'

Figure

("

c
('~';

(" •

2-22.

Status light

YES

Go to step 3.

NO

Replace the logic board.

Go to 3.2, "logic Unit" on page 3-2.

3.

If 0;11,0;12, or Cs;I3 is displayed, go to 2.2.1 Symptom 1, 2, or 3, respectively.

4.

Can you type in now?
YES

Return to normal operation.

NO

Replace the keyboard unit.

_/

(\ ·

C
C
"

C
C

Chapter 2. Problem Determination Guide

2-21

()

o
SYMPTOM 29:

You cannot type in some characters or some control keys are notfunc tiona 1.

Figure2-23.

ACTION:

Replace the keyboard.

SYMPTOM 30:

FigureSome Characters

Characters appear automatically without typing them.

2-24.

ACTION::

Go to 3.1. "Keyboard Unit" on page 3-1.

Automatic Characters

Replace the keyboard.

SYMPTOM 31:

Go to 3.1. "Keyboard Unit" on page 3-1.

Pressing a key once causes more than one character to appear.

•

Figura2-25.

ACTION:

Replace the keyboard.

2-22

Double Characters
Go to 3.1. "Keyboard Unit" on page 3-1.

IBM 3205 Color Display Console

-----------~-~----(("SYMPTOM 32:

Keyed-in characters are different from the key caps.

c
().

cc
(

'
,

Figure2-26.

Different Characters

ACTION:1.

Set the I/O switch to 0 (Off).

2.

Make sure the setup switches underside the keyboard are set as shown on yourlabel.

3.

Do the switches match the label!

/

(

YES

Go to step 4.

NO

Correct the setup switch setting.

(

[
()

~tBffi8iii('

Switches

Capacitance Type

Membrane Type

Figure

6-,.

2-27.

Setup Switches

4.

Set the I/O switch back to I (On).

s.

If the symptom remains, replace the logic board.

~/

C, .
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. ,/

/

c!
Chapter 2.

Problem Determination Guide

2-23

t'. "
,~
.,

I

2.2.5

C

AUDIBLE ALAR" PROBlE"

SY"PTO" 33:

Audible Alarm sounds continuously.

cc·cFigure2-28.

Audible Alarm('"

ACTION:

\

'. /

1.

Set the I/O switch to 0 (Off).

2.

Set it back to I (On).

3.

Does the Audible Alarm still sound continuously?
YES -- Replace the logic board.

Go to 3.2. "logic Unit" on page 3-2.

NO -- Return to normal operation.
SY"PTO" 3~:

Figure2-29.

Audible Alarm does not sound.

No Alarm

ACTION:1.

Set the I/O switch to 0 (Off).

2-24

IBM 3205 Color Display Console

J

(

("
2.

Make sure the video cable is firmly connected to the logic unit.

(,

C
().

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c

Video Cable

Figure2-30.

Video Cable

I/o switch to I (On).

3.

Set the4.

Turn the Audible Alarm Volume Control Knob at the back of the logic unit fully
clockwise.

(
(--

[

Figure

C\
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C

2-31.

Audible Alarm Control Knob5.

Set the Test/Normal switch to Test.

6.

Does the Audible Alarm sound?
YES

Return to normal operation.

NO

Replace the logic board.

Go to 3.2, "Logic Unit" on page 3-2.

(~

(J

c)

~

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i

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Chapter 2. Problem Determination Guida

2-25

r( -,'v
2.2.6

MONOCASE/DUALCASE SWITCH PROBLEMSYMPTOM 35:

Figure2-32.

Monocase/Dualcase (A/A,a) switch does not work.

cc

Monocase/Dualcase (A/A,a) Switch

ACTION:1.

Set the Test/Normal switch to Test.

2.

While looking at the display, alternately switch between Monocase and Dualcase(A/A,a) several times.

3.

Do the characters change from all uppercase to uppercase and lowercase?

YES

Invoke your support structure.

NO

Replace the logic board.

Go to 3.2, "logic Unit" an page 3-2.

c

C· \
,"

2-26

IBM 3205 Color Display Console

-

.'

(~

(
2.2.7

COLOR SWITCH PROBLEMSYMPTOM 36:

Color(00/0000)

switch does not work.

c
c

c
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(
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[.•

Figure

2-33.

Color

(00/0000)

SwitchACTION:1.

Set the Test/Normal switch to Test.

2.

look at the characters on the test pattern and set the color
the opposite position.

3.

Do some of the characters change color?

YES

Invoke your support structure.

NO

Replace the logic board.

(00/0000)

switch to

Go to 3.2, "logic Unit" on page 3-2.

"

c·
c:
C
Chapter 2. Problem Determination Guide

2-27

2.2.8PEDESTAL OR POWER CORD PROBLE"
The pedestal or the power cord is broken or malfunctioning.

Pedestal Problem

Figure2-34.

oPedestal

To remove the pedestal from the video and logic units, refer to 3.2, "Logic Unit" onpage 3-2. Discard the broken pedestal.
Power Cord Problem

Figure2-35.

Power Cord

Set the. I/o swi tch to 0 (Off) and unplug the power cord.
cord.

2.2.9

Di scard the broken power

SECURITY KEY PROBLE"
Security Keylock
Switch Mechanism

r---------,

4 Position
Connector

IIJ

I~----~

II:]
II:]
II:]

I

I
I Make .••.•••. At Horizontal Position
I Break ...•...• At Vertical Position
I
I

IL _________ .JI

Polarization Key

Figure2-36.

Security Key Failure

ACTION:
1.

Disconnect the security key from the logic board.
removal procedures for the logic unit cover.)2.

Make the continuity tests shown for the security key.

3.

Are the continuity checks for the security key assembly correct?

2-28

•

Yes - Replace the logic board.

•No- Replace the security key assembly •IBM 3205 Color Display Console(See Section 3.2.1 for the

c

2.3

OFFLINE TESTSThe IBM 3205 offline tests are in the IBM 3205 logic. Activated when the
Test/Normal switch is set to Test# the offline tests consist of the:

().

1.

Basic Assurance Test (BAT)2.

Basic logic Test: tests the functions of the logic unit.

3.

Video Interface Test:
logic unit.

ctests the function of the video interface circuit in thea.

Keyboard Interface Test: tests the function of the keyboard interface
circuit in the logic unit.

b.

Keyboard Test:

tests the function of the keyboard.

4.

All-character Display Test

5.

Color Pattern Display (7 Color Pattern and 2/4 Color Pattern) Test

6.

Setup Switches and Jumpers Status Display Test

7.

Keyboard-to-display Operation Test.

At the entry of the offline tests# the alarm sounds once. Several seconds later#
the test pattern appears and the status light blinks. The test pattern is shown in
the Figure 2-37 on page 2-30. At the entry of the keyboard-to-display operation#
the cursor is rectangular and blinking. When any key is pressed, the cursor becomes
an underline.

[
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Chapter 2. Problem Determination Guide

2-29

c
Field

o
e{

012345';7> <[ 1)(){ ='" /\ I : ?I $¢£¥R1I012345b78q~§·e%_&-. , : +..,-. ......, I ae i ouaoyaee i OUU~
ael QUae i QUae; 6ui'IA£iOi:JADYAEEIOUYCAEIOOAE:iOOA~i6UNabcdef9h i jk ImnopqrstulJl';/yzlBa~;*

Red

Green

Blue

o

White ( 4 colors shown)eeeeeeee eeeeeeee @@!@!@@@ @!!!!!!@
Red

e{
e{

c:

ABCDEFGHIJKLMNOPQRSTUVWXYZ~BA~;*

Green!
Blue!
White!
reverse image blinking underscored\ \ I "

eeeeeeee _Pink

Yellow

Turquoise, I

eeeeeeee ~ !!!!!!!@ @@I!@@I!@@ @@@!@I!@@, "I I r \BBBBBoe1 aBBBBBBee{Divider Line

1

TEST

'"
r-~
'-~-

Field
Field
Field
Field
Field
Field

0

•ee
e

e

All-character pattern:-

2 or 4-Color pattern\.,-~.>',

7-Color pattern
Setup switches~"-

Flashing block cursor
Keyed-in characters are entered in this line.

Note: This keyboard assembly is a UK-English keyboard.
Bit 7 is off and bit 8 is on. And all jumpers are off.

~~

I

~j

• ~

0

.r

\'----./~~

Figure2-37.

Offline Test Pattern

(

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£~\

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C
2-30

IBM 3205 Color Display Console

(("

C

2.3.1

Preparatlon
1.

().

OFFLINE TEST PROCEDURE

Set the Test/Normal switch to Test, the Monocase/Dualcase switch (A/A,a) to
Dualcase (A,a), and the Color switch (00/0000) to the 0000 position.

=ccFigure2-38.

Switches Setting

2.

Turn the Security Keylock clockwise (horizontal position).

3.

Turn the Audible Alarm Volume Control Knob fully clockwise.

logic Check:
Turn the IBM 3205 power on.
Does the alarm sound once?

Ves

I

No
I

Hote the e~ror condition and return to 2.2, "Symptom Index" on page 2-4.

Does an error message (~1'Cs;I2, ort:s;J3) appear in
the Operator Information Area?

c

No
Ves
I
I
I
Hote the error condition and return to 2.2, "Symptom Index" on page 2-4.
I
I
Is the status light blinking?
Ves
No
I
I

II

Hote the error condition and return to 2.2, "Symptom Index" on page 2-4.

Ves

No

Does the test pattern appear?

I

I

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

Go to the next page.

cc
Ci
Chapter 2. Problem Determination Guida- - - - - " ..._-_ ... _--- .. ---------.-----~-----

2-31

'0
r

V

C
Character Display Check:r\~'

Is the all-character. dualcase pattern correct?

Vas

No
I

C

Note the error condition and return to 2.2. "Symptom Index" on page 2-4.

I

Go to the next page.

•

c:
('
~i
_/

(I" iJii5~7> ([]) () (='" /\ I:? 1$¢i¥Rlt012345b78Q&§le%_&-, ,: +.,-.,A .... ',Jae; ouaoyaeei OUlJ~

aelouae i 6i1ae; oui'iAEibOiiDYAEEIOUYCAEliiOAEi6uA£i6UNabcdefgh i jk ImnopqrstulI";,,<:yzlBa~;*
ABCDEFGHIJKLMNOPQRSruvWXYZ~eA~;*

~

~ ./
/'"

U

~,
0>"

~

Note:

This pattern appears when the 122-key keyboard is attached.

Figure2-39 (Part 1 of 2).

All-character Pattern in Dualcase (A,a)

0'2 34Sb7)\ [ ])(){ ='" /\ I :?I $¢i¥Rlt012345b78Q&§le%_8c-. ,: +~-.,. "", , J i'1'''H",*77J'1~ 7t'/9,.·'Ht:i(:;),)t7'1*1':"Jt1'13"JI4·0.,j" 0 0 r J' • 'H ?IH 13,-"abcdefgh i jk ImnopqrstullwxyzlBa~;;/I

AB(DEFGHIJKLMNOPQRSTUVWXYZ~eA~i*

Note: This pattern appears when the 124-key keyboard (Japanese Katakana) is
attached.
Figura2-39 (Part 2 of 2).

All-character Pattern in Dualcase (A,a)

0":
~I

2-32

IBM 3205 Color Display Console

Monocase/Dualcase Switch Check:CC:

Set the Monocase/Dualcase switch (A/A,a) to the Monocase (A)position.
Is the all-character pattern changed to the monocase pattern?
Yes
No

().

Go to the next page.

I
I

I

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

I

c·
C':
/

(\ I iJ4Sili>< [j) (){;;'" /\ I:? $¢£¥RJl012345b78Q&§le%_&-.,: +~-. " .....
I'J

Af i bllAOYAEE I au t·:Ae:I(JUAE:i60Mf6uNAfiOUi!iOYAEEIOUYCAEi(JUAE:i6UA£iouNABCDEFGHIJKLMNOPQRSTUVWXYZfi0A~;*
ABCDEFGHIJKLMNOPQRSTUVWXYZfi0A~;*

(
(
Nate:

This pattern appears when the 122-key keyboard is attached.

Figure2-40 (Part 1 of 2).

All-character Pattern in Monocase (A):?

0' <34Sb7 >d l)(}{ ="'1\ I I $¢£¥RJl012345b78%§le%_&-.,: +~-.
J i'i'''I:tM:;7J't:,-;;t')}"','H t :XVI)t 7'\*": 41ff 13'1) ""0,):'''' • r J ' • '74 ? U, 13' -"ABCDEFGH·I JKLMNOPQRSTUVWXYZfi0A~;"
H..... ,,ABCDEFGHIJKLMNOPQRSTUVWXYZfi0A~i*c;Nate: This pattern appears when the 124-key keyboard (Japanese Katakana) is
attached.
Figurec2-40 (Part 2 of 2).

All-character Pattern in Monocase (A)Chapter 2. Problem Determination Guida

2-33

o
Color Display Check:
Is the 7-color pattern displayed correctly?

aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa

I

I

I
I

I

I

Pi nk
White/underscoredJ
Blue/blinking
Green/reverse image
Figure

2-41.

Yes

No

I
I

YellowJ

Turquoise·c

7-color Pattern

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.
I
I
Is the 2/4-color pattern displayed correctly (4-color pattern) ?
Jaaaaaaaa

aaaaaaaa aaaaaaaa

I

I

Blue

I

~hite

Red
Figure

2-42.

Yes

No
I

4-color Pattern

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

I

Set the Color switch (00/0000) to the 00 position.
Is the 2/4-color pattern displayed correctly (2-color pattern) ?

,f~'\

aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa

I

J

I

J

Green

J

White

Green

J
White

Figure2-43.

2-color Pattern

Yes

No

I

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

J

Go to the next page.

-c
c

2-34

IBM 3205 Color Display Consolesetup Switches. security Keylock, and Cursor Display Check:
Check the setup switches on the keyboard and the Katakana jumper(if applicable) inside the keyboard.

Note:

The switch settings depend on language configuration.
On the Underside of the Keyboard" on page A-2.

See A.l. "Set Switches

00000000 00000000

c·
c·
c

1

1 1-11-1

I!gnoreJumpers status------>Japanese Katakana keyboard: 0001
0000
Others
Setup switches status----->

Figure2-44.

1 2 3 4123 4

Ig~Fxxxxl

Ig~F X X X xl

Setup Switches and Jumpers Status,

Are the setup switches and jumpers correct (equal to setting) ?

Yes

I

No

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

Turn the security keylock counter-clockwise (vertical position).
Does the test pattern disappear?

Yes

I

No
I

Note the error condition and return to 2.2. "Symptom Index" on page 2-4.

Turn the security keylock clockwise (horizontal position).
Does the test pattern appear again?

()
(.~

Yes

No
I

Yes

No
I

Note the error condition and return to 2.2. "Symptom Index" on page 2-4.
IJ
I
Is the rectangular cursor displayed and blinking?

II

Note the error condition and return to 2.2. "Symptom Index" on page 2-4.

I

Press any key.
Does the cursor change to the underline cursor and stop blinking?

Yes
I
I

No
I

Note the error condition and return to 2.2, "Symptom Index" on page 2-4.

I

Go to the next page.

Chapter 2. Problem Determination Guide

(

2-35

Keybgard Operation Check:Set the Monocase/Dualcase switch (A/A.a) to Dualcase (A.a).
Perform the keyboard-to-displaY operation, and compare
keyed-in symbols with keys that you pressed.
See Figure 2-45 on page 2-37 for symbols that should be displayed.
Does a keyboard-to-display problem exist!
No
Yes
I
I
I
Note the error condition and return to 2.2. "Symptom Index" on page 2-4.
I
I
Set the Test/Normal switch to Normal.
Are TEST in the Operator Information Area and the test patterncleared!
Yes
No
I
I
Note the error condition and return to 2.2. "Symptom Index" on page 2-4.
I
I
I
Offline tests are completed successfully.

c-cTest the coaxial cable from the 3205 to the host system as follows:a.

Ensure the coaxial cable is connected to the system.

b.

Disconnect the coaxial cable from the 3205.

c.

Measure the resistance from the center pin of the connector on the cable tothe outer case of the connector. (Use the RxlO range.)d.

Is the resistance between 1.8K ohms and 2.6K ohms!

e.

•No - Go to step e.

•

Yes - The coaxial cable check is correct. Go to START for the hostprocessor MI if you have not already done so. If you have already been
to START. replace the logic board and rerun the failing operation. If
the 3205 still fails, invoke your support structure for the hostprocessor.

Check for one of the following problems:•

Open or shorted coaxial cable or coaxial cable connector.

•

Open or shorted syste~ cabling.

•

Open or shorted system driver card.

"'--

If you cannot find the problem. invoke the support structure for your hostprocessor.

c2-36

IBM 3205 Color Display ConsoleNates:c·c·1.

Regardless of which characters appear on the key tops, the characters shown below
are displayed in test mode.

2.

When any key in the shaded area is pressed, the character without the underscoreis displayed. When the key is released, the character with the underscore isdisplayed.

3.

122-key Keyboard.

4.

The characters represented in this figure will be displayed when the 3205 is in
test mode.

c

[.•
,

/

Figure2-45 (Part 1 of 2).

Characters displayed in the Keyboard-to-display test

("
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Chapter 2. Problem Determination Guide

2-37

c
~.

~

Notes:
1.

Regardless of which characters appear on the key tops, the characters displayed
are those shown below in test mode.

2.

When a key in the shaded area is pressed, the character without the underscoreis displayed. When the key is released, the character with the underscore isdisplayed.

3.

~24-key

4.

The characters represented in this figure will be displayed when the 3205 is in
test mode.

Keyboard (Japanese Katakana).

C
C'

.C
o-

r

~--" '

C)
r'"

~

/

~j
~\

""-. /i'\

Figure2-45 (Part 2 of 2).

Characters displayed in the Keyboard-to-displaY testc2-38

IBM 3205 Color DisplaY Console

(

('
(

CHAPTER 3. REMOVAL AND REPLACEMENT PROCEDURES(~

This chapter describes how to remove and replace the console FRUs.

c!

3.1

KEYBOARD UNIT

1.

Set the I/O switch to 0 (Off).

2.

Unplug the power cord from the power outlet.

3.

Disconnect the keyboard cable from the logic unit.

4.

Turn the new keyboard over.

5.

Set the setup switches on the new keyboard to match the old keyboard settings.

6.

Record the switch setting on the label supplied with the new keyboard.

7.

Reinstall in reverse order.

C
C
C
(
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C
(-

C

c!
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C
L
C'
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Chapter 3. Removal and Replacement Procedures

3-1

3.2

LOGIC UNIT

The logic unit consists of:•

Top and bottom covers which are not replaceable in the field•

A logic board assembly•

A security keylock assembly.

3.2.1

LOGIC UNIT COVER(See Figure 3-1 on page 3-3)
1.

Turn power off and disconnect the power cord plug from the power outlet.

2.

Remove the power cable from the video unit and unclamp it from the cable clamp.

3.

Disconnect the three connectors t) from the logic unit.

4.

Hold the video unit in both hands and turn the video unit so that the screen isfacing up.

CAUTION
Avoid damaging the units and the pedestal.
5.

Pull the logic unit slightly towards you until the gray latch
pedestal is visible.

6.

While pushing latch
reinstalling. )~~to the right, pull down the logic unit.

in the(See note whene towards you and remove it from the video unit 8.
8. Return the pedestal e and the logic unit 0 to their normal position.

7.

Pull the pedestal

9.

Align the tab on the logic unit with the notch on the pedestal.

10. Squeeze the center gray latchesfrom the logic unit O.

~

to the center, and remove the pedestal

11. Invert the logic unit

0, then remove the single screw 8.

12. Return the logic unit0e

to its normal position.

e

13. Press the right plastic tab
inward with a screwdriver and push upward on the
top cover 0 far enough to release the tab •.
14. Repeat step 13 for the left plastic tab
the base cover •.

~.

Then lift the top cover

0

from

15. Reinstall in reverse sequence except for steps 5, 6, and 7.

Note: When reinstalling, instead of step 5 and 6, insert the hooks into theslots and lift the logic unit. Finally, ensure the pedestal has been locked
onto the video unit 8.

3-2

IBM 3205 Color Display Console.'-.. .....

(
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c~

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r-------

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<¢
(INVERT)

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C/·
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Figure3-1.

logic Unit Cover

Chapter 3. Removal and Replacement Procedures

3-3

o
3.2.2

c
c

LOGIC BOARD ASSEMBLY(See Figure 3-2)
1.

Remove the logic unit cover" as described under "logic Unit Cover."2.

Unlatch the key lock connector ~ and remove it (See Figure 3-3 Security
Keylock assembly).

3.

Remove logic board assembly

4.

Reinstall in reverse sequence.

e.

c\"':....... .. / '"---Figure3-2.

logic Board Assembly

,\
C
,

3-4

IBM 3205 Color Display Console

.'

(
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3.2.3

4L

SECURITY KEYLOCK ASSEMBLY(See Figure 3-3)

(~'

c·

1.

Remove the logic unit cover as described under "logic Unit Cover."2.

Unlatch the key lock connector

3.

Remove the clip

S.

Reinstall in ~everse sequence.

0

from the logic board.

e from the keylock switch.
4. Remove the keylock swi tch e from the base cover.

C~

C

c
(
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[
---0
Latchedc·FigureUnlatched

3-3.

Security Keylock Assembly

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Chapter 3. Removal and Replacement Procedure5

C

3-5

c

3.3 VIDEO UNIT
1. Set the I/O switch to 0 (Off).
2.

Unplug the power cord from the power outlet and the video unit.
unlock the cable clamp.

Push the tab to3.

Disconnect all cables from the logic unit.

4.

Turn the video unit so that the screen faces up.

S.

Pull the logic unit slightly towards you and locate the gray latch.

6.

Push the latch to the right to unlock the pedestal from the video unit.

7.

Turn the new video unit so that the screen faces up.

8.

Attach the video pedestal to the new video unit by inserting the hooks into theslots and lifting the logic unit slightly.

9.

Turn the unit right side up.

10. Connect all cables to the logic unit.
11. Connect the power cord to the video unit and to the power outlet.
cable clamp.

Lock the

.r
l

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3-6

IBM 320S Color Display Console

(
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(

CHAPTER 4.

3205 PART NUMBERS

....
"

C'
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Figure 4-1 through Figure 4-2 provide the part numbers for the IBM 3205.

c·
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I

(
(

[
(~
(~

(

CJ

c\ .
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Figure4-1 (Part 1 of 4).

IBM 3205 Final Assembly

C'

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Chapter 4.

3205 Part Numbers

4-1

v
c
FIGUREINDEXNUMBERPARTNUMBER

UNITS
PER
ASM. 123 4

16238411REF

VIDEO UNIT, SUB SET 1
BERMUDA, CANADA, USA.

16238412REF

VIDEO UNIT, SUB SET 2
BAHAMAS, BARBADOS,COLUMBIA, COSTA RICA,DOMINICAN REPUBLIC, EL SALVADOR,GUATEMALA, GUYANA, HAITI,HONDURAS, JAMAICA, JAPAN,
KOREA, MEXICO, NETHERLANDS ANTILLES,NICARAGUA, PANAMA, SAUDI ARABIA,
TAIWAN, TRINIDAn, VENEZUELA.

1

6238413REF

VIDEO UNIT, SUB SET 3
BOLIVIA, ECUADOR, PHILIPPINES.

16238414REF

VIDEO UNIT, SUB SET 4
AUSTRIA, BAHRAIN, BELGIUM,
BULGARIA, DENMARK, EGYPT,FINLAND, FRANCE, GERMANY,HUNGARY, ICELAND, IRELAND,ISRAEL, ITALY, JORDAN, KUWAIT,LEBANON, NETHERLANDS, NORWAY,POLAND, PORTUGAL, QATAR, ROMANIA,SPAIN, SWEDEN, SWITZERLAND, SYRIA,
UK, YUGOSLAVIA.

16238415REF

VIDEO UNIT, SUB SET 5
AUSTRALIA, NEWZEALAND.

16238416REF

VIDEO UNIT, SUB SET 6
ARGENTINA, BRUNEI, CHILE,INDONESIA, MALAYSIA, PARAGUAY,
SIERRA LEONE, SRI LANKA,SINGAPORE, SOUTH AFRICA, URUGUAY.

I

6238417REF

VIDEO UNIT, SUB SET 7
AFGHANISTAN, BANGLADESH, BURMAHONG KONG, PAKISTAN, PERU,
SUDAN, THAILAND.

Figure4-2

4-1 (Part 2 of 4).

DESCRIPTION

IBM 3205 Final Assembly

IBM 3205 Color Display Cc~sole

c
c

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(-

FIGUREINDEXNUMBERPARTNUMBER

UNITS
PER
ASM. 1 2 3 425954170

REF

VIDEO UNIT PEDESTAL

33
36113430
61134316238425

REF
REF
REF

LOGIC UNIT (US AND A/FE)
LOGIC UNIT (E/ME/A, EXCEPT SPAIN)
LOGIC UNIT (SPAIN)REF

KEYBOARD UNIT, 122 OR 124 KEYS (MEMBRANE TYPE)

4

4
4
4
4
4
4
4
4
4
4
4
4
4
4

(---

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(

4
4
4
4
4
4
4
4

4
4
4
4
4
4

CANADIAN FRENCH
KAT AKANASPANISH SPEAKINGDANISHITALIANNORWEGIAN
PORTUGUESE
U. K. ENGLISHSWEDISH, FINNISH AND SWEDISH
AUSTRIA/GERMANBELGIUM
FRENCH-AZERTYSPANISH
U.S. ENGLISH

1389106
1389126
13891201389108
1389112138911413891161389124
138912213891021389104
13891101389118
1389100REF

4

DESCRIPTION

1385492
1385504
13854991385493'!.385495
1385496138549713855031385500
1385490138549113854941385498
1385082

KEYBOARD UNIT, 122 OR 124 KEYS (CAPACITANCE TYPE)
CANADIAN FRENCHKATAKANASPANISH SPEAKINGDANISHITALIANNORWEGIAN
PORTUGUESE
U. K. ENGLISHSWEDISH, FINNISH AND SWEDISH
AUSTRIA/GERMANBELGIUM
FRENCH-AZERTYSPANISHu. S. ENGLISH

Note:

If the Capacitance-type keyboard is not available, the Membrane-type keyboard
can be used for replacement.
Figure4-1 (Part 3 of 4).

IBM 3205 Final Assembly

(')

c.
c·

c
(~
Chapter 4.

3205 Part Numbers

4-3

c
FIGUREINDEXNUMBERPARTNUMBER5
569523175695235356952353555569523176952308
695236269523446952344

5
5
5
5
5
5

6952326695237169523716952298695229769522975569523806952285569523975

Figu~eUNITSPER
DESCRIPTION
ASH. 1 2 3 4
REF CQ~D ASM (POWER CABLES)
1 · CORD ASM, (E/ME/A),
ARAB REPUBLIC OF EGYPT, AUSTRIA,BELGIUM, FRANCE, GERMANY, ICELAND,LEBANON, NETHERLANDS, NORWAY, PORTUGAL,ROECE, SPAIN, SUDAN, SWEDEN, SYRIA,YUGOSLAVIA, FINLAND.
• CORD ASM, (A/FE), BRUNEI,I
HONG KONG, MALAYSIA, SINGAPORE.
· CORD ASM, (E/ME/A),I
BAHRAIN, IRELAND, JORDAN, KUWAIT,OATAR,SAUDI ARABIA, SIERRA LEONE,
U.K.
I· CORD ASM, (A/FE), INDONESIA AFGHANISTAN· CORD ASM, (A/FE), AUSTRALIA, NEW ZEALANDI· CORD ASM, (E/ME/A), SWITZERLAND
I· CORD ASM, (E/ME/A), SOUTH AFRICA, PAKISTANI
1 · CORD ASM, (A/FE), BANGLADESH, BURMASRI LANKA.
· CORD ASM, (E/ME/A), DENMARKI
1 · CORD ASM, (E/ME/A), ITALY· CORD ASM, (A/FE), CHILEI· CORD ASM, (US), 6 FEETI
I
• CORD ASM, (US), 10 FEET
· CORD ASM, (A/FE), ANTILLES, BAHAMAS,IBARBADOS, BERMUDA, BOLIVIA, CANADA,
COLUMBIA, COSTA RICA,DOMINICAN REPUBLIC, ECUADOR,EL SALVADOR, GUATEMALA, GUYANA,HAITI, HONDURAS, JAMAICA, JAPAN, KOREA,MEXICO, NICARAGUA, PANAMA, PHILIPPINES,
TAIWAN, TRINIDAD, VENEZUELA.
1 • CORD ASM, (E/ME/A), ISRAEL• CORD ASM, (A/FE), URUGUAY, PARAGUAYI
ARGENTINA· CORD ASM, (A/FE), PERU, THAILAND
I

4-1 (Pa~t 4 of 4).

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IBM 3205 Final Assembly"'-. ....

4-4

IBM 3205 Colo~ Display Console

(~

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,

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VIEW A 11

6

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Figure4-2 (Part 1 of 2).

Logic Unit

( -'
"

.-,/

(J
, Chapter 4.

3205 Part Numbers

4-5

()

o
FIGUREINDEXNUMBERPARTNUMBER

1. 3

61134322
4565954169623842059541925954166
61134296052098
6112987634270263427036342704
64266445641661

7

8
9
10
10
10
10

11. 12595419459541645641811

13
13

14

UNITS
PER
ASH. 123 4

DESCRIPTION· COVER GRP
SEE NOTE. LATCH
2·
PLATE NAME
1
1 · · LABEL OPERATOR SWITCH
1 · · I/O PLATE
1 · · SPRING CLIP
1 ·· ·SCREW HEXSECURITY KEY ASM
1
1 · LOGIC BOARD (US)1 · LOGIC BOARD (E/ME/A. EXCEPT SPAIN)
1 · LOGIC BOARD (A/FE)
1 · LOGIC BOARD (SPAIN)
1 ·· LABEL CBM BASE S/N

1

1
1
4

·
··

.

~.
"~.

C~:

SEE NOTE
CABLE CLAMP (US AND A/FE)
CABLE CLAMP (E/ME/A)
FOOT

Note:

This item cannot be ordered and is not recommended for field replacement.

Figure4-2 (Part 2 of 2).

LOQic Unit
,/"\

,

)

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4-6

IBM 3205 Color Display Console

(.
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CHAPTER 5. IB" 3205 SAFETY INSPECTION GUIDE

(-

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Safety Inspection Guide

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MACHINE TYPE IBM 3205

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Chapter 5. IBM 3205 Safety Inspection GuidaC

5-1

-~----.

-.. -------~--

5.1------------------------

PREPARATION

Before starting this procedure. ensure that machine power is off and all electrical
power has been removed from the machine.
Completion of "Electrical Safety Training Course for IBM Customer Engineers" (selfstudy course 77170 or current level) is required.
Reference items:•

Current CEMs and ECAs•

Electrical Safety for IBM Customer Engineers (S229-8124).

Use the documents listed above as required to ensure that all safety
have been met.

5.2

requirements

GENERAL GUIDELINES

The purpose of this inspection guide is to assist you in identifying possibly unsafe
conditions that may exist on machines that are being inspected.
Each machine. as it
was designed and built. had required safety items installed to protect the owners,
operators. and service personnel from injury.
This checklist addresses only those
items.
Good judgment should be used to identify potential safety conditions notcovered by this inspection guide.
If any unsafe conditions are present. you must determine how serious the apparent
hazard could be and whether you can continue without first correcting the problem.
Consider these conditions and the safety hazards they present:•

Electrical:
The primary power or an electrically charged frame can cause serious or fatal
electrical shock.

•Insulation shOUld not be damaged.
where appropriate.

•

Cable ti es and clamps

shouldbeinstalled

Explosive:
A bulging capacitor Can cause serious injury.

•

Chemical:Ensure that there
specified by IBM.

i!5

no

use

of

chemi cals.

solvents

etc..

other

than those.

5-2

IBM 3205 Color Display Console

~
~.,

(
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(-

CAUTIONswitch power off and disconnect the power plug fro. the power outlet.
S.3~.

GENERALCHECK:______ Covers for sharp edges, burrs, and damage.

C" •

C•

c)

Cables for incorrect routing, wear, pinched areas,or frays. Cable ties should be installed as necessary.
The main power switch for proper mechanical andelectrical operation.
The power cord for:('A factory-molded plug with no alterations.
Adequate insulation.
Being properly secured.
Any non-IBM alterations that may expose
a customer or servicing CE to safety hazards.

(

If safety hazards are present, contact your manager.

(-

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Chapter 5. IBM 3205 Safety Inspection Guide

5-3

5.4

VIDEO UNIT

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6

8

7

_~,\4
(.-#

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1

<L-\ V ''_.

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•
••
II

0:::===)[===::::1
0:::===][===:::::0

Ic=::il

4

VIEW A~Fi gure5-1.

Video Unit

2A

CHECK:
Ensure that the screw <10> is installed for proper
grounding. (See Figure 5-2 on page 5-5. Figure 5-3 on page 5-5)
Ensure that the following plugs and labels
are installed:
Part 4761473
Part 4761474
Part 5954187
Part 5641228
Part 5640888
Part 6238405
Part 6238406
Part 4761480
Part 4761482
Part 5640640

(2x)
(2x)

Label - Bottom Small <1>
Label - Bottom Large <2>
Plug <3>
Label Warning for E/ME/A <4>
Label Warning for US and A/FE <4>
Label Power Rating - Low Voltage <5>label Power Rating - High Voltage <5>
Label Fuse Rating - low Voltage <6>
Label Fuse Rating - Low Voltage <6>
Label Warning <7>_______ Ensure that the proper fuse is installed <8>.
Part 6112993
Part 6112994

5-4

Fuse 4A 250V for Low Voltage (Label 4761480)
Fuse 3.15A 250V for High Voltage (Label 4761482)

IBM 3205 Color Display Console

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5.5

LOW VOLTAGE

(

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b:
,

c ..

Transformercc{Power Supply
Assembly(Figure

r

5.6

5-2.

Grounding Pass Schematics

HIGH VOLTAGE

("
/

((
Transformer

C
C•
C\ ,

Power Supply
Assembly

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Figure5-3.

Grounding Pass Schematics

C

Chapter 5. IBM 3205 Safety Inspection Guide...

C- ------ -- - - - - -- - - ------ ------ ~~'" ""- ~- - _ ....

5-5

5.'

c
o

KEYBOARD UNIT (MEMBRANE TYPE)(\
3\ ............... , /I\,./

Figure5-4.

Keyboard Unit (Membrane type)

Ensure that the following labels are installedl
Part 6110502

Label-CSU Switch <1>
Label-RID Tag <2>______ Ensure that the screw' is installed for proper grounding <3>

5-6

IBM 3205 Color Display Console

c

(
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5.8

KEYBOARD UNIT (CAPACITANCE TYPE)c·cc

Jumper

("

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f· .•

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3------~~

Figures-s.

Keyboard Unit (Capacitance type)

CHECK:
Ensure that the following labels are installed:
Part 6110S02

C:-Label-CSU Switch <1>
Label-RID Tag <2>

Ensure that the screw is installed for proper grounding <3>

Chapter S.

IBM 3205 Safety Inspection Guide

5-7

.1
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5-8

IBM 3205 Color Display Console

A.

Af,~.f;tf.P.IX(('

IBM 3205 INSTALLATION INSTRUCTIONSThis chapter describes the procedures to set up the 3205 console and attach it to
the processor.
1.

cc

Make sure you received these items shown in Figure A-I. Check off each item andif any are missing, call the Raleigh Hotline (800)334-0431 or Hotline Tie line
441-5004, in North Carolina call collect (919)543-5004.

Note:

For WT please contact your local IBM Branch Office or Service Center.

eD

Cable Clamp

Video Unit

Key Cap
Removal Tool
(not used)pedestal~[

Power Cord-----

Logic Unit

3205 PDG
3205

Figure

(

(

2.

A-1.

MIM

Console and Parts

Record the part number of the keyboard, logic board, and video unit, into the
problem reporting section of the 3205 Color Display Console, Operator Reference
and Problem Determination Guide, order number GA18-2339.
Keyboard and video
part numbers are on the unit.

Code

Item

K

= Keyboard part number

c·
c·

L

= Logic board part number.

v

c

C

= Video unit part number= Video unit and Logic board part number= Video unit, Logic board, and Keyboard part number= Logic board and Keyboard part number= Pedestal part number, 5954170= Security Key 6112987 and Logic board part number

c
c

A

B
P
S

Select one of the following:
6342702 (US); 6342703 (E/ME/A, EXCEPT SPAIN);
6426644 (SPAIN); 6342704 (A/FE)

Appendix A.

IBM 3205 Installation Instructions

A-1

As 1
1.

SET SWITCHES ON TJ:IE OOERSIPE OF TNt ~E.ntQ.!K\1Turn the keyboar-d o .. er-.

c~C

Figure2.

A-2.

Turn Keyboard

Set switches and record them on the label.

Membrane TypeCapacitance Type

Keyboard
without
numericlockKeyboard
languages

Part
Number(MEM.)

Part
Number(CAP.)

0000 0000
0000 0001
0000 0010
0000 1101
0001 0000
0001 0001
0001 0011
0001 0110
0001 1000
0001 1001
0001 1010
0001 1011
0001 1100
0001 1101

US English
UK English
Canadian French
Japanese Katakana
Austrian/German
BelgianDanishFrench (AZERTY DPTW)
ItalianNorwegianPortuguese
SpanishSpanish-Speaking
Finnish/Swedish

1389100
1389124
1389106
1389126
13891021389104
1389108
13891101389112138911413891161389118
138912013891221385082
13855031385492
1385504
13854901385491138549313854941385495
138549613854971385498
13854991385500

FigureA-2

A-3.

Setup Switches

IBM 3205 Color Display Console

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A.2

ATTACH PEDESTAL TO LOGIC UNIT

1.

Set the pedestal on the logic unit and align the notches.
Notch

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Figure .A-4.
2.

Set Pedestal

lock the pedestal onto the logi c uni t by pi nchi ng the two gray latches on
logic unit; then. release them.

the

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Latches

Fi gureA-5.

lock Gray latches

Appendix A. IBM 3205 Installation Instructions·--·---·-·-··-··--·--··---7·----·---·--··- - - - - - - . -... - ..- - ..- -...-----.- .-----.-..-- .•. ---~---.~.
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A-3

o
3.

Lift up on the pedestal to make sure the pedestal is locked onto the logic unit.

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Ensure Lock

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A-4

IBM 3205 Color Display Console

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A.3

ATTACH PEDESTAL TO VIDEO UNIT

1.

Turn the video unit so that the screen faces up.

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A-7.

Turn Video Unit

Insert the hooks intp the slots and lift up on the logic unit until it latches
in the video unit.

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FigureA-S.

Hook Pedestal to Video Unit
Appendix A. IBM 3205 Installation Instructions

A-5

,1-'

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3.

Turn the video unit right side up.

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Turn Video Unit
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A-6

IBM 3205 Color Display Console

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A.4

CONNECT CABLES TO THE REAR

1.

Insert the video cable into the connector and tighten the screws.

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2.

A-10.

Connect Video Cable

Pull off the red cap (i f fi tted) from keyboard cable and insert the keyboard
cable into the connector and tighten the collar.

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3.

A-11.

Keyboard Cable

Insert the power cord into the video unit.

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FigureA-12.

Connect Power Cord
Appendix A. IBM 3205 Installation Instructions

A-7

l'f-~\

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A.SATTACH CABLE CLAMP
1.

Thread the power cord through the clamp.
between the plugand the clamp

0e.

Leave about 60 centimeters (24 inches)

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A-14.

Close Cable Clamp

Insert the clamp into the logic unit.

FigureA-8

Prepare Cable Clamp

Close the clamp.

Figure
3.

A-13.

A-IS.

Attach Cable Clamp

IBM 320S Color Display Console/-'" "j

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A.6

SET POWER ON

1.

Make sure the security key is turned fully clockwise.

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Figure2.

A-l6.

Unlock Security Key

Switch power off (0).

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Figure3.

A-l7.

Power off

Plug in the power cord.

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Figure4.

A-lS.

Plug ih Power Cord

Switch power on(I).

The Power-on light should come on.

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FigureA-19.

Power onAppendix A. IBM 3205 Installation Instructions

A-9

A.7

ADJUST THE BRIGHTNESS OF YOUR DISPLAY1.

Set the switches as indicated.

ct.

Figure
2.

A-20.

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Set Switches

Turn the Brightness Control Knob to adjust brightness.

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Figure
3.

A-21.

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etiIf Brighter

Adjust Brightness Control

Your di splay should look similar to thi s.
(You need not check each symbol for
errors.) Note: The status light should be blinking.

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ae IQUae i .uae i6UMtIOOAOYAEElOUYCAEliiiJAEiOU~"OUNabcdef9h I Jk Imnopqrs tuvl."yzua,J'

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Red

Green

Blue

White ( 4 colors shown I

e@@@@@@@ ee@@@@@@ eeeeem _Green!
Bluel
WhitelRedreverse image, ~Ii~ki~g, under~ored~@@e@@@@ _Pink.

Yellow

Turquoise@@@@@@@@ ~ eeeeeI!!I! emeeee @@!t!@@I!e, 11111 ,O{e{Divider Line

1

TEST

FigureA-22.

Color Test Pattern

Note:
If the test pattern does not appear, go to page 2-2 and perform the console
qu i ck check.

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A-10

IBM 3205 Color Display Console

c
()

A.a

CHECK AUDIBLE ALARM

1.

Check the volume of alarm by swi tchi ng the Test/Normal
slowly. You should hear a beep.

swi tch

back

and

forth

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Figure

(

2.

A-23.

Check Audible Alarm

Adjust the volume for comfortable level by turning the knob at the back of thelogic unit.

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Figure

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3.

A-24.

Adjust Audible Alarm

Set the switch to Normal.

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Figurec

Installation is now complete.

c

A-25.

Set Test/Normal Switch

Go on to the next page.
Appendix A. IBM 3205 Installation Instructions

A-I!

If -,-

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A.9

PERSONALIZE THE CONSOLE FOR THE OPERATOR

1.

Position the console for comfortable viewing for 3205 operator.

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Front View

Figure2.

Side View

Position the console

Adjust the keyboard angle for the 3205 operator:a.

Lift up the keyboard and push the buttons on each side until ~hort legs drop
down. Push harder to get long legs.

~b.

Push legs back to lock them.

~

Figure

A-12

A-26.

'"

A-27.

Adjust Keyboard Angle

IBM 3205 Color Display Console

(

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3.

Store the maintenance manual along with the host processor MI in the cart
book-shelf.

or4.

Give the 3205 Color Display Console Operator Reference and Problem Determination
Guide to the customer.
Fold the operator guide over twice and store it in the
pocket.

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Figure

A-28.

Store Manual into Pocket(c( """:c'Appendix A.

IBM 3205 Installation Instructions

A-l3

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A-14

IBM 3205 Color Display Console,

APPENDIX B. PACKING INSTRUCTIONS

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B.l

VIDEO UNIT

The video unit should be packed in the original or equivalent packaging material.

1

3

2

4

5

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Figure

B.2

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8-1.

Packing Video Unit

KEYBOARD UNIT

The keyboard should be packed in the original or equivalent packaging material.

2

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Packing Keyboard Unit

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Appendix 8. Packing Instructions

8-1

------------

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LOGIC UNITCThe logic unit and both security keys (one inserted in the lock of the logic unit)
should be packed in the original or equivalent packaging material.

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2

4

3

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B-3.

Packing logic Unit

THREE UNITS IN A MASTER CARTON

If all three units must be returned, pack all three cartons in one master carton.

r,"------_/('"'----/(/~'-----..;..- Master Carton

FigureB-4.

Packing Three Units

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B-2

IBM 3205 Color Display Console(

IBM 3205 Color Display Console
Maintenance Information

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