Powerbook G3 Wallstreet (1998) Repair Manual
Copyright © 2003 Powerbookmedic.com. All rights reserved.
Any portion of this manual may not be copied, reproduced, or distributed without theexpress written consent of Powerbookmedic.com. Violators will be prosecuted.
This manual is presented as a guide in order to help you repair problems on yourpowerbook. Working on a powerbook can be dangerous if not done properly. We at
Powerbookmedic.com take no responsibility for any damage or harm done to yourself or
your powerbook as a result of reading this guide.
Suggestions for making this manual better? Email: sales@powerbookmedic.com

Identifying the Wallstreet Powerbook
If the writing under your display only has the words “Macintosh Powerbook G3” and themulticolored Apple logo as shown, then you have a Wallstreet.

The design of the rear ports is as in the picture below. Note there are no USB orFirewire ports.TheWallstreet has to add these ports via PCMCIA cards.

Identification of Parts
Before we begin with the actual take apart, we will label the parts discussed in themanual. If you need to order any of these parts, they are available fromwww.powerbookmedic.com

Processor

Display

Logic Board

Modem

Heat Sync

Clutch CoverSound / AC Board

PRAM Battery

Charger Board

Required Tools
Torx T8 Screwdriver – available from www.powerbookmedic.com

Flathead Screwdriver & or Philips Head ScrewdriverKeyboard & Modem Replacement

Begin by removing any expansion
bays you have installed. Simply pull
the expansion bay lever towards you
to eject the device. Then pull thedevice out so the bays are completelyempty.

Put your index finger inside theexpansion bay, and on the top of theside of the case close to the keyboard,search for a latch. Push with yourfinger, and move the latch towards you
to unlock the keyboard. (You must do
this to both sides. The keyboard latch
will move easily, don’t use excessive
force.) (Replacement note: hold down
the bottom corner of the keyboard
before locking the latch back in orderto make sure the keyboard locks.)

Lift the keyboard up and pull towards
you to free the metal locks on the topof the keyboard. Then flip thekeyboard out towards you.

Undo the clear plastic tabs on the left
and right side of the keyboard by
sticking a flat head screwdriver behindthe plastic while pulling up on theplastic. They should come out easily.
(Replacement note – The clear tabs
simply slide back into the groove.
After you slide them in, they should“lock” in place.)

Undo the two keyboard ribbon cables
by gently pulling the cables while
holding on to the connector end. Thecables should come out with ease.
The keyboard can now be removed.

Modem / Heat Sync Removal & Replacement(Remove Keyboard first)
Heat Sync / Shield Removal
Remove the two philips head screws
as shown. Be careful not to strip thescrew! Make sure to apply force
down while turning to ensure thatyou do not strip the screw. If you dostrip the screw then you will need tofind a way to undo the screw, and it
isn’t easy. Needle nose pliers do thetrick most of the item.
Now, pull up on the heat sync handle
to lift the heat sync up and awayfrom the laptop.

Remove the one Philips head screw
as shown.Being careful again not tostrip the screw.

Lift the modem up and out as shown.

Processor Replacement(Remove keyboard and heat sync first)
Note – The heat sync must be removed
as shown above before proceeding.
The modem does not have to be
removed to remove the processor.
To remove the processor, put theflathead screwdriver on the right handside of the processor as shown. Thengently pry up until the processor popsout. *Do not use too much pressure. Ifthe processor does not easily comeout, simply try another location in thebottom right hand corner. It should be
relatively easy to pop out.

Remove the processor as shown, andplace on a static free surface.

Ram Replacement(Remove keyboard, heat sync, &processor first)
Note – To change the ram in the upper
slot you do not need to remove theprocessor. You only need to for thebottom slot.
Using either a flat head screwdriver oryour fingernail, pry back the metal
fasteners holding in the ram as shown.
Do this on each side. It’s easier if you
do them at the same time. To install
new ram, align the grooves, slide in,and push down.

Hard Drive Replacement(Remove keyboard, heat sync, andprocessor first)
Loosen the Philips head screw asshown (In some machines this is a torx
screw.) The screw will not come out.
It will only loosen. Loosen as much as
you can.

Pull the hard drive up and out asshown.

Remove the 6 Torx Screws as shown.
Then, grasp the green motherboard
connector by the sides and pull it
towards you. It should come off easily.
The hard drive will now easily comeout of it’s mounting bracket.

Display Replacement(Remove keyboard, heat sync,processor, and hard drive (optional)
first )
Tilt the display back, and pull thepower button clutch cover upwards.
(This can sometimes take a lot offorce. The more tilted the display,the easier it is to take off.)

Using a Torx T8 screwdriver(available fromwww.powerbookmedic.com) ,remove the four flathead torx screws
on the back of the unit as shown.
(Replacement Note: These fourscrews have flat heads, not therounded heads like the other torx
screws, do not get them confused.)

Grasp the orange display cable on
the left of the laptop as shown.
Gently pull up to undo it from themotherboard.

Grasp the orange display cable on theright of the laptop as shown. Gentlypull up to undo it from themotherboard.

Now, pull the display back up so it isperfectly vertical. Place your hands on
the right hand and left hand side of themonitor, and lift the display out of thecasing.

Hinges / Display & Inverter Cable / LCD Replacement(Remove display first by following
the instructions above)
There are 6 points on the display
with coverings or rubber stoppers
that cover torx screws. Notice theirposition in the picture.

Using a flat head tool, pry up theflat plastic covering on the bottomof the display on either side of thecables. The left side is shown in thepicture.

After removing the coverings on thebottom, remove the 4 rubber inserts
simply inserting a flat head tool andprying up. The inserts should comeout easily. Remove all 4 and thencontinue.

Remove the 6 torx screws at each of
the 6 locations you have removed thecover from using your Torx T8
scredriver. (Available fromPowerbookmedic.com)

You now have to separate the backcasing from the display. You will
have to pry the casing free. It iseasiest if you start from the spot rightunder the apple logo.

You will have to use a little force topry the casing off. Then lift the backcasing up and away from the LCD.

This is what you should be looking atafter removing the back case.

Right Hinge & Display Cable
Replacement
If you are repairing the left hinge orinverter cable, you do not need tofollow this step. If you are replacing thedisplay cable, right hinge, or LCD,follow this step.
Remove the 4 Torx T8 screws from thepositions shown in red.

Guide the hinge to the right from under
the display, then lift it up and free fromthe casing as shown.

The display cable is held onto the hingeby two little holes with a small metal rod.
Simply pull this part of the cable off ofthe hinge as shown in the picture.

The display cable is wound around thehinge. You will need to unwind it fromthe hinge to remove it. When you replace
the hinge or display cable, make your towind it back around the hinge.

The hinge can now be replaced.

To remove the display cable, locate where
the cable attaches to the display, andremove the piece of orange tape asshown. Then pull the display out of theconnector. It should come out easily.

Left Hinge / Inverter Cable
Replacement
If you are repairing the right hinge ordisplay cable, you do not need to follow
this step. If you are replacing the display
cable, right hinge, or LCD, follow thisstep.
Remove the 4 Torx T8 screws from thepositions shown in red.

Guide the hinge to the left from under thedisplay, then lift it up and free from thecasing as shown.

Remove the orange and white mic cablefrom the inverter cable as shown.

The inverter cable is held onto the hingeby two little holes with a small metal rod.
Simply pull this part of the cable off ofthe hinge as shown in the picture.

The inverter cable is wound around thehinge. You will need to unwind it fromthe hinge to remove it. When you replace
the hinge or display cable, make your towind it back around the hinge.
The hinge can now be replaced.

To remove the inverter cable, you will
first need to remove the inverter board.
Undo the two pieces of orange tapeholding the inverter board to the LCD asshown.

Now lift the inverter board up and out.
(Fold it towards you.)

Undo the inverter cable from the inverter
board as shown.
You can now replace the inverter cable.

To remove the inverter board, locate theinverter cable as shown. Pull the inverter
cable from the inverter board. The cableshould come out easily. The inverter
board will now be free.

The LCD will now lift up and out of thefront display bezel. To replace, simply
place the new LCD with backlight into
the display bezel, and follow thedirections in reverse.

Trackpad Removal(Remove keyboard, heat sync, modem,processor, hard drive, and displayfirst)
Remove the four torx screws asshown. Also, pull up on the orange
PMU cable as shown so it is notconnected to the motherboard.

Turn the unit over, and remove the 8
torx screws as shown from the bottom
casing.

Starting at the top right hand corner, lift
up to begin separating the trackpad.

Undo the cable connecting the soundboard and the trackpad as shown. Holddown the sound board and gently pullup on the cable. It will come out
easily. Do not use excessive force.

If the trackpad is having problems
coming off, make sure it is not caught
on the latch next to the PMU cable asshown. (It is in front of the processor
near the trackpad. If it is caught, use aflat head screw driver to undo thelatch, and pull up on the trackpad.

The trackpad should now come offwith ease.

PMU Board / PRAM Battery Replacement(Remove keyboard, heat sync, modem,processor, hard drive, display, andtrackpad first)

Turn the trackpad over, remove theone torx screw as shown.

There are five different orange ribbon
connections that must be undone. Liftthe board up as shown, and then using
either your flathead screwdriver or afingernail, undo all of the connections.
Then undo the black and while cable(PRAM battery cable.)

PRAM Battery Replacement

To remove the PRAM battery, pushdown as shown while using a flatheadscrewdriver to lift as shown. Slide thebattery towards you while you arepushing down. The battery will slideout towards you.

Charger Board Replacement(Remove keyboard, heat sync, modem,processor, hard drive, display, andtrackpad first)

Remove the one torx screw as shown.

Then, grab the charger board as shown,and gently wiggle it out of its connector.
The board should come out with ease.
Place the board on a static free surface.

Sound /AC Board Replacement(Remove keyboard, heat sync, modem,processor, hard drive, display, andtrackpad first)
Gently pull the sound board up and out
as shown.

Logic Board Replacement(Remove keyboard, heat sync, modem,processor, hard drive, display,trackpad, power board, and sound /ACboard first.)
Using a Torx T8 screwdriver, insert
the end into the “open screw” asshown. Push down and turn to undothe screw.
This screw can sometimes come off
when you remove the charger board,so if it isn’t there then it is on yourcharger board.

Pull the logic board up and out asshown. It should be relatively easy toremove.

At Powerbookmedic.com, we strive to make our manuals as accurate as possible. If you
would like to see something in this manual or would like to see something improved inthis manual, please email us at: sales@powerbookmedic.com
For all of your powerbook & ibook parts and repair needs, visit us at:Copyright © 2003 Powerbookmedic.com. All rights reserved.