LG GWA-4161B Manuals

LG GWA-4161B Manuals

Manuals and User Guides for LG GWA-4161B. We have 1 LG GWA-4161B manual available for free PDF download: Service Manual

LG GWA-4161B Service Manual

LG GWA-4161B Service Manual (76 pages)

DVD/CD Rewritable Drive

Brand: LG | Category: DVD Drive | Size: 1.18 MB

Table of Contents

Table of Contents
2
Introduction

3
Features

3
Specifications

5
- Quality and Reliability
  8
Location of Customer Controls

9
- Rear Panel
  10
Disassembly

11
- CABINET and CIRCUIT BOARD DISASSEMBLY
  11
  - Bottom Chassis
    11
  - Front Bezel Assy
    11
  - Cabinet and Main Circuit Board
    11
- Mechanism Assy Disassembly
  11
  - Pick-Up Unit
    11
  - Pick-Up
    12
Exploded View

13
Mechanical Replacement Parts List

14
Glossary

14
The Differences of CD-R/CD-Rw Discs and General CD-Rom

15
- Recording Layer
  15
- Disc Specification
  15
- Disc Materials
  16
- Reading Process of Optical Disc
  17
- Writing Process of CD-R Disc
  18
- Writing Process of CD-RW Disc
  18
- Organization of the PCA, PMA and Lead-In Area
  19
- Function of PCA and PMA Area
  20
- OPC and ROPC
  20
- Writing Process of DISC
  21
The Differences of DVD-R/Rw, DVD+R/Rw Discs and DVDD-Rom

22
DVD & CD Data Processing

31
Internal Structure of the Pick-Up

35
Description of Circuit

38
- Focus/Tracking/Sled Servo Circuit
  39
- Spindle Servo Circuit
  40
Major IC Internal Block Diagram and Pin Description

41
Troubleshooting Guide

59
Block Diagram

75

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