Advance Diploma in Motherboard Repairing

Module 1: Basic Electronics

ALL LAPTOP REPAIRING SOLUTION are Covered in our Syllabus, few examples are as follow

  • Basic Electronics Concept, Formation of Current, AC/DC Concept, Rules for Flow of Current.

  • Resistor- Symbol, Function, Function, Denoting Letter, Solid Type Resistor Color Coding, SMD Type Resistor Coding, Value measurement by Multimeter and SMD Tester.

  • Capacitor – Function, Types, Symbol, Identification of Solid Type and SMD Type Capacitor, Testing of Capacitor by MultiMate and SMD Tester, Value measurement by SMD Tester.

  • Coil – Function, Symbol, Denoting Letter, Types of material, Properties of Coil, Identification of Solid and SMD type coil, Pack coil, Testing of Coil.
  • Diode: Function, Symbol, Denoting letter, Identification of Solid and SMD Type Diode, Types of Diode, Testing of Diode, Anode and Cathode Concept

  • Transistor: Introduction, Types, Symbol, Denoting Letter, PNP and NPN Concept, Testing of Transistor, Function etc

  • Mosfet: Introduction, Types, 3 leg Mosfet, 8 Leg Mosfet, Identification of N-Channel and P-Channel Mosfet, Testing of Mosfet, Dual Mosfet Concept, Switching Concept Etc

  • Crystal: Introduction, Concept of Quartz, Clock and Pulse, Measuring unit, Types and Real Shape, Testing of Crystal etc.

  • Transformer and IC. Types of transformer , step-up transformer ,step down transformer

Module 2: Motherboard

1. Motherboard overview and Block Diagram of Motherboard.

2. Identification of all types of chip, ports, socket, slots etc.

3. Working Concept of Motherboard. Concept of RESET, READY, CLOCK Signal.

4. VRM Circuit- Overview, Tracing, Hot Testing, Shorting Problem in VRM Circuit, Troubleshooting, Internal Structure of VRM Chip, Volt Sense Circuit Concept, Programmable circuit, VID Concept.

5. RAM Supply: Identification of all Types of Desktop RAM, RAM Operating Voltage, RAM Supply Pin, All types of possible circuit of RAM Supply. Hot Testing.

6. Clock Generator Circuit: Identification of Clock Generator, Tracing, Use of Frequency Counter to measure Clock, Troubleshooting.

7. USB Port Circuit: USB Port Supply Pin Tracing, Data Pin Tracing.

8. Sound Circuit: Tracing, Supply Circuit of Sound Chip.

9. PS 2 Port Circuit: Pin Details of PS 2 Port, Supply Circuit, DATA and CLOCK Circuit.

10. SATA Port: Data Pin Tracing of Sata Port.

11. Sound Circuit – Tracing, Supply, Troubleshooting.

12. Standby Circuit: Standby Mosfet, Circuit tracing.

13. PCI Slot: Voltage, Data and Signal Testing.

14. Diagnostic Card: LED Status, Coding Concept

15. CRO Machine: Complete Operating of CRO for Voltage, Data and Signal Testing.

16. ROM Circuit: Identification of all Types of ROM, ROM Pin Details and Circuit Tracing.

17. ROM data and RAM Data: Data Testing on ROM and RAM Data Pin.

18. South Bride Supply Circuit.

19. Repairing of RAM.

20. PS ON and Trigger Circuit.

21. BIOS Programming by Mini and Universal BIOS Programmer.

22. How to Check CPU Socket by CPU Socket Tester.


TESTING MOTHERBOARD USING MULTIMETER/CRO



• CPU CORE VOLTAGE, VID SIGNALS, VRM SECTION, MOSFET OF VRM

• POWER GOOD, RESET, CLOCK, BIOS SIGNALS

• HOW TO READ DIFFERENT COMPONENT DATASHEET

• BASIC CLEANING AND WASHING METHOD OF MOTHERBOARD

SMD COMONENT PRACTICE REMOVING AND INSERTING DIFFERENT COMPENETS

PRACTICE WITH DEVICE



IC removing practice, component practice, BGA infra re machine, removing chip to reball, reballing chip using different method, BGA ball arrange, BGA soldering station, using liquid paste, solder bath tub, removing sockets, connectors.