User Manuals: LG DVS7905S DVD Player Recorder

Manuals and User Guides for LG DVS7905S DVD Player Recorder. We have 1 LG DVS7905S DVD Player Recorder manual available for free PDF download: Service Manual

LG DVS7905S Service Manual

LG DVS7905S Service Manual (145 pages)

Brand: LG | Category: DVD VCR Combo | Size: 17.9 MB

Table of Contents

Section 1 Summary

3
Section 3 Electrical

11
- Table of Contents
  11
- Electrical Adjustment Procedures
  13
- Vcr Part
  13
- Electrical Troubleshooting Guide
  14
- Power(Smps) Circuit
  14
- System/Key Circuit
  17
- Servo Circuit
  18
- Y/C Circuit
  21
- Hi-Fi CIRCUIT
  25
- Tuner/If CIRCUIT
  28
- Block Diagrams
  30
- Power(Smps) BLOCK DIAGRAM
  30
- Tu/If, NICAM & A2 BLOCK DIAGRAM
  31
- Vps Block Diagram
  31
- Y/C Block Diagram
  32
- Hi-Fi BLOCK DIAGRAM
  33
- System Block Diagram
  34
- Circuit Diagrams
  35
- Power(Smps) CIRCUIT DIAGRAM
  35
- Tu/If, Nicam & A2 Circuit Diagram
  36
- A/V Circuit Diagram
  37
- Hi-Fi CIRCUIT DIAGRAM
  38
- Scart(Jack) Circuit Diagram
  39
- System Circuit Diagram
  40
- Timer Circuit Diagram
  41
- Waveform & Voltage Sheet
  42
- Circuit Voltage Chart
  43
- Main P.C.board
  45
- Printed Circuit Diagrams
  45
- Key P.C.board
  46
- Smps P.C.board
  46
- Timer P.C.board
  46
- DVD Part
  48
- Electrical Troubleshooting
  48
- System Operation Flow
  48
- Test & Debug Flow
  49
- Details and Waveforms on System Test and Debugging
  55
- SYSTEM 27Mhz CLOCK,RESET,FLASH R/W SIGNAL
  55
- Sdram Clock
  57
- Tray Open/Close Signal
  57
- Lens Control Related Signal(no Disc Condition)
  59
- Sled Control Related Signal (no Disc Condition)
  59
- Disc Type Judgement Waveform
  60
- Laser Power Control Related Signal(no Disc Condition)
  60
- Focus on Waveform
  62
- Spindle Control Waveform (no Disc Condition)
  63
- Tracking Control Related Signal(System Checking)
  64
- Mt1379 Audio Optical and Coaxial Output (Aspdif)
  65
- Rf Waveform
  65
- Mt1379 Video Output Waveform
  66
- Audio Output from Audio Dac
  67
- Block Diagrams
  69
- Overall Block Diagram
  69
- Servo Block Diagram
  70
- Mpeg & Memory Block Diagram
  71
- Video & Audio Block Diagram
  72
- Circuit Diagrams
  74
- System Circuit Diagram
  74
- Rf & Dsp Servo Circuit Diagram
  75
- Audio Circuit Diagram
  76
- Av/Jack Circuit Diagram
  77
- Circuit Voltage Chart
  78
- Main P.C.board
  80
- Printed Circuit Diagrams
  80

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