LG GC990W Manuals

Manuals and User Guides for LG GC990W. We have 3 LG GC990W manuals available for free PDF download: Service Manual, User Manual

LG GC990W Service Manual (122 pages)

VIDEO CASSETTE RECORDER

Brand: LG | Category: VCR | Size: 15.13 MB

Table of Contents

3
- Video Cassette
  1
- Key to Abbreviations
  4
- Product Safety Servicing Guidelines for Video Products
  5
- Servicing Precautions
  6
- Protection
  7
- Service Notice on Replacing Eeprom
  8
- IC Setting
  9
- Specifications
  10
- Service Method
  11
  - Electrical Part
    11
- Exploded Views
  12
  - Cabinet & Main Frame Section
    12
  - Packing Accessory Section
    13
- Electrical Adjustment Points Arrangement
  14
- Electrical Adjustment Procedures
  15
- Electrical Troubleshooting Guide
  17
  - Power Circuit(SMPS)
    17
  - Servo Circuit
    20
  - System & Front Panel Circuit
    23
  - Y/C Circuit
    26
  - Tuner/If Circuit
    30
  - Hi-Fi Circuit
    33
- Block Diagrams
  35
  - Power Block Diagram
    35
  - Y/C Block Diagram
    37
  - Hi-Fi Block Diagram
    37
  - System Block Diagram
    38
- Circuit Diagrams
  39
  - Power Circuit Diagram
    39
  - Tuner, NICAM, A2 Circuit Diagram
    40
  - A/V Circuit Diagram
    41
  - System Circuit Diagram
    42
  - Hi-Fi Circuit Diagram
    43
  - Waveform
    44
  - Circuit Voltage Chart
    45
- Printed Circuit Board Diagrams
  47
  - MAIN P.C.board (TOP VIEW)
    47
  - MAIN P.C.board (BOTTOM VIEW)
    48
  - KEY (LEFT) P.C.board
    49
Section 4 Mechanism (D-37)

51
- Mechanism Parts
  51
- Position Drawing of Deck Mechanism Parts
  
  52
  - Top View
    52
  - Bottom View
    52
- Disassembly and Assembly of Deck Mechanism
  
  53
  - Plate Top Disassembly
    54
  - Holder Assembly CST
    54
  - Rack F/L
    54
  - Arm Assembly F/L
    54
  - Lever Assembly S/W
    54
  - Motor Assembly L/D
    56
  - Gear Wheel
    56
  - Arm Assembly Cleaner
    56
  - Head F/E
    56
  - Base Assembly A/C Head
    56
  - Brake Assembly T
    57
  - Arm Assembly Tension
    57
  - Reel S / Reel T
    57
  - Base Assembly P4
    58
  - Opener Lid
    58
  - Arm Assembly Pinch
    58
  - Arm T/Up
    58
  - Supporter, Capstan
    59
  - Belt Capstan/Motor Capstan
    59
  - Lever F/R
    59
  - Clutch Assembly D37
    59
  - Gear Drive/Gear Cam
    60
  - Gear Sector
    60
  - Brake Assembly Capstan
    60
  - Plate Slider
    60
  - Lever Tension
    60
  - Lever Spring
    60
  - Lever Brake
    60
  - Gear Assembly P2/Gear Assembly P3
    61
  - Base Assembly P2/Base Assembly P3
    61
  - Base Loading
    61
  - Base Tension
    62
  - Arm Assembly Idler Jog
    62
- Deck Mechanism Adjustment
  
  63
  - Fixtures and Tools for Service
    63
  - Previous Preparation for Deck Adjustment
    65
  - Torque Measuring
    65
    
    Prior Adjustment
    66
    
    Fine Adjustment
    66
    
    Guide Roller Height Adjustment
    66
    
    Prior Adjustment
    67
    
    Fine Adjustment (Azimuth Adjustment)
    68
  - X-Distance Adjustment
    68
  - Adjustment of Drum Assembly (Video Heads)
    69
    
    Deck Assembly
    69
    
    CUE or REV
    69
    
    Check of Tape Curl and Jam Status
    69
    
    Removal of Foreign Materials
    70
    
    Grease Application
    72
- Guide for Troubleshooting
  
  74
  - Deck Mechanism
    74
  - Front Loading Mechanism
    77
- Exploded Views
  
  79

LG GC990W User Manual (16 pages)

Brand: LG | Category: VCR | Size: 0.82 MB

User Guide
1
Table of Contents
2
And Remote Control
3
Connecting to a Television
4
Adjusting TV Stations Manually
6
Operating Your Video
7
Timer Recording
9
Advanced Functions
10
- Setting the Clock
  11
- Sound Settings
  12
- Advanced Functions
  13
Troubleshooting
14
Supplied Remote Control and Technical Specifications
15

LG GC990W User Manual (16 pages)

Brand: LG | Category: VCR | Size: 0.32 MB

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LG GC990W Manuals

LG GC990W Service Manual (122 pages)

Table of Contents

Table of Contents

Section 4 Mechanism (D-37)

Position Drawing of Deck Mechanism Parts

Disassembly and Assembly of Deck Mechanism

Deck Mechanism Adjustment

Guide for Troubleshooting

Exploded Views

LG GC990W User Manual (16 pages)

Table of Contents

LG GC990W User Manual (16 pages)

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