LG V9120QW1M Manuals

Manuals and User Guides for LG V9120QW1M. We have 1 LG V9120QW1M manual available for free PDF download: Service Manual

LG V9120QW1M Service Manual

LG V9120QW1M Service Manual (116 pages)

Brand: LG | Category: DVR | Size: 11.73 MB

Table of Contents

Section 1 Summary

3
Section 3 Electrical

12
- Vcr Part
  
  14
- Electrical Adjustment Procedures
  
  14
- Electrical Troubleshooting Guide
  
  15
  - Power(Smps) Circuit
    15
  - System/Key Circuit
    18
  - Servo Circuit
    19
  - Y/C Circuit
    22
  - Hi-Fi CIRCUIT
    26
  - Tuner/If CIRCUIT
    29
- Block Diagrams
  
  31
  - Power(Smps) BLOCK DIAGRAM
    31
  - Tu/If, NICAM & A2 BLOCK DIAGRAM
    32
  - Vps Block Diagram
    32
  - Y/C Block Diagram
    33
  - Hi-Fi BLOCK DIAGRAM
    34
  - System Block Diagram
    35
- Circuit Diagrams
  
  36
  - Power(Smps) CIRCUIT DIAGRAM 1
    36
  - Tu/If Circuit Diagram
    37
  - A/V Circuit Diagram
    38
  - Hi-Fi CIRCUIT DIAGRAM
    39
  - Scart(Jack) Circuit Diagram
    40
  - System Circuit Diagram
    41
  - Waveform & Voltage Sheet
    42
  - Circuit Voltage Chart
    43
- Printed Circuit Diagrams
  
  45
  - Main P.C.board (Vcr+DVD)
    45
  - Main P.C.board (Vcr+DVD)
    46
  - Power P.C.board
    47
  - Key P.C.board
    48
  - Timer P.C.board
    48
- DVD Part
  
  49
- Electrical Troubleshooting Guide
  
  49
  - System Operation Flow
    49
  - System Test Flow
    50
- Details and Waveforms on System Test and Debugging
  
  56
- Block Diagrams
  
  68
  - Overall Block Diagram
    68
  - Servo Block Diagram
    69
  - Mpeg & Memory Block Diagram
    70
  - Video & Audio Block Diagram
    71
- Circuit Diagrams
  
  73
  - System Circuit Diagram
    73
  - Rf & Dsp Servo Circuit Diagram
    74
  - Av/Jack Circuit Diagram
    75
  - Circuit Voltage Chart
    76
    
    Troubleshooting Guide
    77
    
    Procedures
    92
Section 5 Mechanism of DVD Part (Dp-9C Mtk Model)

109
- Deck Mechanism Parts Locations
  
  110
  - Top View
    110
  - Top View(Without Tray Disc)
    110
  - Bottom View
    110
- Top View
  
  110
- Top View(Without Tray Disc)
  
  110
- Bottom View
  
  111
- Deck Mechanism Disassembly
  
  111
  - Main Base
    111
    
    Clamp Assembly Disc
    111
    
    Clamp Upper
    111
    
    Magnet Clamp
    111
    
    Plate Clamp
    111
  - Tray Disc
    111
  - Base Assembly Sled
    112
    
    Gear Feed
    112
    
    Gear Middle
    112
    
    Gear Rack
    112
  - Rubber Rear
    112
  - Frame Assembly Up/Down
    113
  - Belt Loading
    113
  - Gear Pulley
    113
  - Gear Loading
    113
  - Guide Up/Down
    113
  - PWB Assembly Loading
    113
  - Base Main
    113
- Exploded View
  
  115
  - Deck Mechanism Exploded View
    115

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