8/13/2019 Laptop Chip Level Broucher
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BASIC ELECTRONICS:Module 1: Introduction toElectronics:
Voltage , Current ,
Resistance & Power Differences between AC &
DC. Using of Multi meter. Using of Soldering Iron. Using of SMD Re
workstation.Module 2: ElectronicComponents:
Resistors Capacitors Diodes Coils & Inductors
Transistors & FET ICs Checking of components Replacing of components
Module 3: Digital Electronics: Differences between
Analog & DigitalElectronics.
Different type of digitalelectronic devices.
LAPTOP CHIP LEVEL:Module 1: Introduction toLaptop:
Differences betweenLaptop & Desktop.
Different type of Ports ofLaptop
Dismantling & AssemblingofLaptop
Module 2: Laptop MotherboardWorking:
Block diagram of LaptopMotherboard.
Different sections in LaptopMotherboard.
Functions of each sectionand chips.
Startup sequence of Laptopmotherboard (Always ,Suspend and Run Powers)
Module 3: Laptop Schematics
Identifying Motherboardmodel number
Tracing Laptop motherboard
Identifying different controlchips on motherboard
o North Bridgeo South Bridgeo I/O Controllero Charger ICo Power Supply IC
and FETso LAN ICo Audio ICo BIOS Chip
Module 4: Testing of LaptopMotherboard:
Checking of Voltages (S5,S3and S0) in each Stage
Checking of Different signalsin each stage
Checking Short circuit inLaptop Motherboard
Module 5: Troubleshooting ofLaptop
Adapter Problems Battery charging problems Battery backup problems No Display / Dead
Problems. Dull Display Problem. Restarting problems Hanging problems Over heating problems. LCD white screen problems Keyboard Problems Touch pad problems HDD Problems
DVD Drive problems Removing BIOS Passwords
LCD AND LED
Working block diagram ofLCD monitor
Power supply, inverter,MLC checking with onlinetesting
LVDS related problems Trouble shooting problems
o No displayo Dull displayo White displayo Colours problemso Junk display
Checking with live LCD monitor
TROUBLE SHOOTING DESKTOPSMPS PROBLEMS ALSO
DESKTOP MOTHER BOARD
Working Functionality OfMother Board
Block diagram of motherboard
Connectors and portschecking
SMPS Voltage checking onmother board
Processor core voltageschecking
Power ICS, SMD ICchecking with online
I/O section related problems BIOS chip related
problems(Flashing)
NO POWER, NO DISPLAYHANGING PROBLEMSCHECKING IN LIVE MOTHERBOARDS
PRINTERS AND SCANERS
DOT MATRIX PRINTERS
Asembling and de-asembling
Section wise checking
Paper feedingproblem(sensors)
Head related problems
LASER/INK JET PRINTERS
Asembling and de-asembling
Paper feeding tonnercatridge refelling