Laptop Repair Tutorial (Chip Level) (2nd Edition)

This book describes the technical knowledge of notebook computer chip-level maintenance and the maintenance ideas of various common faults with rich circuit diagrams and concise language system, and introduces the power supply part and signal part of the notebook computer and the LCD in detail in an easy-to-understand graphical way. The working principle, common faults and maintenance process of the screen part. It is particularly worth mentioning that this book provides a large number of classic maintenance cases. This book can enrich readers' theoretical knowledge of notebook computer chip-level maintenance, help readers easily master maintenance skills and quickly grow into a qualified notebook computer chip-level maintenance engineer.

 

Table of contents

Chapter 1 Basics of chip-level maintenance

1.1 Basics of electronic circuits
1.1.1 Electronic circuits
1.1.2 Commonly used electronic components
1.2 Basics of soldering for chip-level maintenance
1.2.1 Use of soldering iron and heat gun
1.2.2 Soldering of electronic components
1.3 Disassembly and assembly of laptops
1.3.1 Common phenomena during disassembly and
assembly

1.3.2 Disassembly tools
1.3.3 Disassembly sequence (taking IBM T40 as an example)
1.3.4 Precautions during disassembly
1.3.5 Installation sequence and precautions

Chapter 2 Power Supply Laptop

2.1 Laptop Motherboard Power Frame

2.1.1 The Effect of Power Frame Structure Diagram on Maintenance

2.1.2 Main Board Power Frame Structure Diagram

2.1.3 Key Test Points on the Main Board

2.1.4 Main Board Power Supply Sequence

2.1. 5 Fault phenomenon

2.2 Protective isolation circuit

2.2.1 Brief introduction of protective isolation circuit

2.2.2 Function of protective isolation circuit

2.2.3 Common model circuit diagram of protective isolation circuit 2.2.4 Maintenance of protective isolation circuit

2.2.5 Common faults of protective isolation circuit

2.2.6 Maintenance Cases

2.3 Digital Power Supply Unit Circuit

2.3.1 Working Principle of

Digital Power Supply Unit Circuit 2.3.2 Working Conditions of

Digital Power Supply Unit Circuit 2.3.3 Vulnerable Components of Digital Power Supply Unit Circuit

2.4 3V, 5V Power Supply Unit Circuit

2.4 .1 Common power supply chips

2.4.2 3V, 5V power supply unit circuits of IBM notebook computers

2.4.3 3V, 5V power supply unit circuits of HP notebook computers

2.4.4 3V, 5V power supply unit circuits of Dell notebook computers

2.4.5 Lenovo notebook computers Computer 3V, 5V power supply unit circuit

2.4.6 Samsung notebook computer 3V, 5V power supply unit circuit

2.4.7 Toshiba notebook computer 3V, 5V power supply unit circuit

2.4.8 3V, 5V power supply unit circuit maintenance

2.4.9 Maintenance practice the case

2.5 South and North Bridge Memory Graphics Power Supply Unit Circuit

2.5.1 IBM T40 North and South Bridge Memory Graphics Power Supply Unit Circuit

2.5.2 Dell D600 North and South Bridge, Memory, Graphics Power Supply Unit Circuit

2.5.3 Lenovo Rising Sun 125 North and South Bridge Memory Power Supply Unit Circuit

2.5 .4 Samsung X11 Centrino 2nd Generation Notebook Computer’s North-South Bridge Memory Graphics Power Supply Circuit

2.5.5 Toshiba A6’s North-South Bridge Memory Graphics Power Supply Circuit

2.5.6 Overhaul of the North-South Bridge Graphics Memory Power Supply Unit Circuit

2.5.7 Maintenance Cases

2.6 CPU Power Supply Unit Circuit

2.6.1 The schematic diagram of the CPU power supply unit circuit of IBM notebook computer

2.6.2 The CPU power supply unit circuit of Dell notebook computer
2.6.3 The CPU power supply unit circuit of HP DV1000
2.6.4 The CPU power supply unit circuit of Samsung X05
2.6.5 The CPU of Toshiba A100 Power supply unit circuit
2.6.6 Overhaul of
CPU power supply unit circuit 2.6.7 Common faults of CPU power supply unit circuit
2.6.8 Maintenance practice cases
2.7 Boot circuit
2.7.1 IBM T4 boot circuit
2.7.2 Lenovo notebook computer boot circuit

2.7. 3 Maintenance cases

2.8 Charge and discharge management circuit

2.8.1 Composition of charge and discharge management circuit

2.8.2 Charge and discharge management circuit of IBM notebook computer

2.8.3 Charge and discharge management circuit of Dell notebook computer

2.8.4 Charge and discharge management circuit of HP notebook computer circuit

2.8.5 Common faults and maintenance procedures of charge and discharge management circuits

2.8.6 Maintenance cases

Chapter 3 Signal part of notebook computer

3.1 Hard boot of notebook computer

3.1.1 Working diagram of hard boot 3.1.2 Process analysis of hard boot

3.1.3 Application of hard boot in maintenance
3.2 Clock circuit
3.2.1 Clock signal frame diagram (Take Centrino as an example)
3.2.2 Clock chip circuit
3.3 BIOS
3.3.1 Composition of BIOS
3.3.2 Method of entering CMOS setting
3.3.3 Packaging form of BIOS

3.3.4 Failure caused by BIOS

3.3.5 BIOS soft brush

3.3.6 BIOS hard flashing

3.4 Addressing process
3.4.1 Centrino CPU addressing
3.4.2 Addressing process details
3.4.3 Addressing process test points
3.4.4 Addressing process application in maintenance
3.4.5 Addressing 3.4.6 Troubleshooting of north bridge and south bridge
3.5 Soft start
3.5.1 Process of power-on self- check
3.5.2 Application of soft start in maintenance
3.5.3 Troubleshooting of common faults of soft start
3.5.4 Maintenance case

Chapter 4 Use of maintenance tools 

4.1 Use of adjustable power supply
4.1.1 Working principle of adjustable power supply

4.1.2 Types and selection of adjustable power supply

4.1.3 Preparations for using adjustable power supply

4.1.4 Judgment with adjustable power supply Common faults of notebook computers

4.2 Use of test card
4.2.1 miniPCI test card
4.2.2 Analysis of test card code

Chapter 5 LCD Screen of Notebook Computer

5.1 Imaging System of LCD Screen

5.1.1 Schematic Diagram of Imaging of LCD Screen

5.1.2 Working Process
5.1.3 Common Faults of Imaging System
5.1.4 Introduction of LCD Screen

5.2 Backlight System of LCD Screen
5.2. 1 Schematic diagram of the backlight system

5.2.2 Working process of the
backlight system

5.2.3 Common faults of the backlight system
5.2.4 How to change the high voltage board

Chapter 6 Repair Ideas for Common Laptop Troubleshooting

6.1 No power on
6.2 No display when powering on
6.3 Power failure
6.4 Crash problem
6.5 Restart problem
6.6 Blue screen problem
6.7 Flower screen problem

Chapter 7 Summary of Common Faults of Branded Laptops

7.1 IBM
7.2 Dell
7.3 Lenovo
7.4 HP
7.5 Sony, Toshiba, NEC
7.6 Samsung, ASUS
7.7 Other brands

Chapter 8 Case Analysis of Classic Troubleshooting

1. Mainboard Power Supply Short Circuit Repair  

2. Lenovo Rising Sun 150 Case
3. Acer 4520 Not Powered Up Case

4. IBM R50E Classic Trouble Case

5 .IBM T40 repaired by three companies without power-on classic failure analysis  

6. IBM T40 repaired by peers without power-on

7. IBM X31 classic case sent by peers for repairs  

8. IBM T42 maintenance cases sent by customers

9. Case of IBM T41 repaired by peers without power-on repair  

10. IBM T60 shutdown and restart repair  

11. HP DV9000 repaired by peers without display after power-on

 

Title: 笔记本电脑维修教程(芯片级)(第2版)
Author: Tang Xuebin
Year: 2018
Pages: 312
Language: Simplified Chinese
Format: pdf
Size: 6.37MO