LG GWA-4164B Manuals

Table of Contents

• 2

  Table of Contents
• 3

  Introduction
• 4

  Features
• 5

  Specifications
  • 8

    Power Requirements
  • 8

    Audio Performance
  • 9

    Acoustic Noise
• 15

  Location of Customer Controls
• 16

  Rear Panel
• 17

  Disassembly
  • 17

    CABINET and CIRCUIT BOARD DISASSEMBLY
  • 17

    Mechanism Assy Disassembly
• 17

  Mechanical Replacement Parts List
• 19

  Exploded View
• 20

  Glossary
• 21

  The Differences of CD-R/CD-Rw Discs and General CD-Rom
  • 21

    Recording Layer
  • 21

    Disc Specification
  • 22

    Disc Materials
  • 23

    Reading Process of Optical Disc
  • 24

    Writing Process of CD-R Disc
  • 24

    Writing Process of CD-RW Disc
  • 25

    Organization of the PCA, PMA and Lead-In Area
  • 26

    Function of PCA and PMA Area
  • 26

    OPC and ROPC
  • 27

    Writing Process of DISC
• 28

  The Differences of DVD-R/Rw, DVD+R/Rw Discs and DVD-Rom
  • 28

    Recording Layer
  • 29

    Disc Specification
  • 29

    Disc Materials
  • 32

    Writing Pulse Waveform of DVD+R
  • 34

    Writing Pulse Waveform DVD+RW
  • 35

    Organization of Inner Drive Area, Outer Drive Area, Lead-In Zone and Lead-Out Zone
• 37

  Lightscribe MEDIA
  • 38

    Hardware Block Diagram of Lightscribe Label Printing
  • 39

    MD Assy for Lightscribe
  • 40

    Optical Encoder Assy
• 41

  DVD & CD Data Processing
  • 41

    Data Processing Flow
  • 42

    Copy Protection and Regional Code Management Block
  • 43

    About Prevention the DVD-Rom From to Be Copy
  • 44

    About the DVD-ROM Regional Code
• 45

  Internal Structure of the Pick-Up
  • 45

    Block Diagram of the Pick-Up
  • 46

    Pick Up Pin Assignment
  • 47

    Signal Detection of the P/U
• 48

  Description of Circuit
  • 48

    ALPC Circuit
  • 49

    Focus/Tracking/Sled Servo Circuit
  • 51

    Spindle Circuit
• 53

  Major IC Internal Block Diagram and Pin Description
• 71

  Troubleshooting Guide
• 88

  Block Diagram