rendering graphics card Max VGA GPU
Channel: Games Newss
Date: 28/08/2021

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It is an unavoidable fact that smartphones can, and do, break. When they do, people want to get them repaired, but often the only option they have is to take their device back to wherever they purchased it from and have the merchant return it to the manufacturer.
This process of sending it away, having it repaired, and sending it back can take days, or sometimes weeks if the fault is serious, and this can be frustrating and inconvenient for the owner. Being able to repair smartphones for people in your local area could give you a great opportunity to start your own business, or add a repair service to your existing business if you already deal in electronics or phones.
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Part 1 : Smartphone Repairs
    Cellphone Basics 
    Block Diagrams
    Hardware Troubleshooting & Repair
    Software Troubleshooting & Repair
    Flashing & Unlocking Techniques 
    User lock, SPC, MSL, FSC, OTKSL
    GSM unlocking: using codes
    Using software to remove user lock, SPC
    what is prl
    what is ESN/MEID
    CDMA Software Defined 

Part 2: Basic Electronics Declassified:
    Ohm's Law
    Series Circuit
    Parallel Circuit
    Identifying Electronics Components and Circuit Symbols
    Resistors
    Capacitors
    Transistors
    Diodes
    Fuse
    Coils & Inductors
    Crystal Oscillators
    RF & IF Amplifiers and Filters
    EMI and ESD Filters

Part 3: Tools and Test Equipments
    Safety Procedures and Proper Handling of Tools and Test Equipments
    How To Use and Read a Multimeter Tester
    Test and Check up Procedures on Electronics Components
    Preparing the Proper Tools For Repairing
    Opening Tools and Tweezers
    Soldering and Desoldering Tools
    Muti Tester
    SMD Rework Stations
    DC Power Supply
    Cleaning Kits
    Reballing Kits
    Working Table Equipments

Part 4: Schematic Diagrams
    How to Read Cellphone's Schematic Diagrams
    Identifying Component Symbols and Layout in Schematic Diagram
    How to Identify The Follwing:
    Resistor's Symbols and Layout
    Capacitor's Symbols and Layout
    Transistor's Symbols and Layout
    Diodes Symbols and Layout
    Coil Symbols and Layout
    Integrated Circuit Symbols and Layout
    DC to DC Voltage Drivers, Regulators
    Convertes Symbols and Layout
    EMI-ESD Symbols and Layout
    RF Filter Symbols and Layout
    Battery Cell Symbols and Layout
    Power Switch , Mouthpiece, Earpiece and Ringtones Speakers
    User Interface Symbols and Layout
    Clock Crystal Oscillator Symbols and Layout
    Fuse Symbol and Layout
    Lines and Symbols on Schematic Diagram
Part 5: SOLDERING, SOLDERING, SOLDERING
    How to Find and Locate Components on PC Board
    How to Solder SMD Components Manually by Hand
    Master soldering on any electric board
    BASICS OF SOLDERING
    Advantages of Soldering
    What is Soldering & de-soldering? Lead free or not?
    Hand soldering vs. machine soldering
    Electric tools used in soldering: Soldering machines, Hot-Air machines, Pre-heaters, Infrared machines,
    Rework stations...etc
    Soldering tips & soldering irons
    Hand tools & accessories used in soldering: magnifier, tweezers, Fume Extractor , sponges.etc
    Chemicals used in soldering: flux, lead, solder wire, flux remover, tin

Part 6: APPLICATION OF SOLDERING IN CELL PHONE REPAIR
    Types of circuit boards: PCB solder types and cell phone generations
    Which electronic components are found in a cell phone PCB
    diode, transceiver, transistor, integrated circuit, 2 point solder joints or 3 joints multi points?
    Underfill & under film
    Practical basic soldering trainings
    Basic and intermediate applications for training
    Soldering charging ports
    Soldering power buttons
    Soldering flex cables
    Soldering SIM card trays
    Memory modules
    Camera modules
    Battery sockets
    LCD Connector modules
    How to Reball BGA Chips Manually by Hand
    Identifying and Familiarization of Common Mobile Phones Components and Spare Parts
    LCD's Touch Screen Panels Microphones Micro Speakers Switches Charging Pins Antenna's Battery
    USB connectors

Part 7: Integrated Circuits
    Understanding Major Integrated Circuits (IC) on Mobile Phones
    Power Management IC
    Application Processor
    Flash IC
    RAM IC
    Hardware Handling Procedures
    Proper Disassembling and Assembling Methods
    How to Test Mobile phone Speaker,Buzzer or Ringer
    How to Test Mobile phone Microphone or Mouthpiece
    How to test Mobile Phone Charger Voltage
    How to Test Mobile Phone Vibra Motor
    How to check Mobile Phone Battery Voltage
    How to test Power ON OFF Switch
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