Table Of Contents - LG LH-D6230 Service Manual

Table of Contents

Table Of Contents1
General Part2
Servicing Precautions2
Notes For Transport And Storage2
Repair Notes2
Section 1. General2
Notes Regarding Compact Disc Player Repairs3
Esd Precautions4
Graphic Symbols4
Location Of Customer Controls5
Front Panel5
Display Window5
Rear Panel6
Electrical Troubleshooting Guide7
System Check Flow7
Turn Power On7
Power Check Flow8
Test & Debug Flow9
Details And Waveforms On System Test And Debugging15
Mt1379 Main Clock Is At 27Mhz(X501)15
Mt1336 Reset Is High Active15
Rs232 Waveform During Procedure16
Flash R/W Enable Signal During Download16
Sdram Clock17
Tray Close Waveform18
Tray Open Waveform18
Sled Control Related Signal (No Disc Condition)19
Lens Control Related Signal(No Disc Condition)19
Laser Power Control Related Signal20
Disc Type Judgement Waveform20
Focus On Waveform22
Spindle Control Waveform (No Disc Condition)23
Tracking Control Related Signal24
Rf Waveform25
Mt1379 Audio Optical And Coaxial Output (Aspdif)25
Mt1379 Video Output Waveform26
Full Colorbar Signal(Cvbs)26
Audio Output Form Audio Dac27
Audio Related Signal27
Speaker Part28
Block Diagram30
Section 2. Audio Part30
Schematic Diagrams31
Front Schematic Diagram32
Power Schematic Diagram33
Wiring Diagram34
Voltage Sheet (Ic&Tr)35
Printed Circuit Diagrams37
Main/Power/Jack P.c Board (Solder Side)37
Main/Power/Jack P.c Board (Component Side)38
Front P.c. Board (Solder Side)39
Front P.c. Board (Component Side)39
Dvd Part Schematic Diagrams40
Servo Schematic Diagram41
Audio Schematic Diagram42
Interface Schematic Diagram43
Voltage Sheet (Ic & Tr)44
Printed Circuit Diagram45
Dvd P.c. Board(Solder Side)45
Dvd P.c. Board (Component Side)46
Cabinet And Main Frame Section47
Section 4. Exploded Views47
Deck Mechanism Exploded View48