Sony RMT-V278 Manuals

Manuals and User Guides for Sony RMT-V278. We have 1 Sony RMT-V278 manual available for free PDF download: Service Manual

Sony RMT-V278 Service Manual

Sony RMT-V278 Service Manual (91 pages)

VIDEO CASSETTE RECORDER

Brand: Sony | Category: Cassette Player | Size: 27.21 MB

Table of Contents

Table of Contents
3
Service Note

5
- Error Code Indication
  5
General

6
Disassembly

25
- Assembly
  25
- Boards
  25
- Board, Rear Panel
  26
- Boards, Sr Mechanism Deck
  26
- Power Block, Ma-360 Board
  27
- Internal Views
  28
- Circuit Boards Location
  29
Block Diagrams

30
- Overall Block Diagrams
  30
- Video Block Diagram
  31
- System Control Block Diagram
  32
- Mode Control Block Diagram
  33
- Av Link Block Diagram
  34
- Audio Block Diagram
  35
- Power Block Diagram
  36
Printed Wiring Boards and Schematic Diagrams

37
- Frame Schematic Diagram
  38
  - Printed Wiring Board
    39
- Rec/Pb Head Amp
  40
- Y/C. Audio Processor
  41
- Y/C out
  42
- Servo/System Control
  43
- Audio)
  44
- Mode Control
  45
- Tuner
  46
- Power Supply
  47
- Line 2In
  48
  - Printed Wiring Board and Schematic Diagram
    48
- Indicator
  49
- Indicator
  50
- Y/C Sep, Sync Sep
  51
- Y/C Sep, Sync Sep
  52
- Front Smart File Sensor)
  55
- User Control
  57
  - Printed Wiring Board and Schematic Diagram
    57
- V/A Separator
  58
- Srv886Uc (Power Supply)
  59
  - Printed Wiring Board
    59
- Tuner/Timer Control Microprocessor
  64
  - (Ma-360 Board Ic460)
    64
Adjustments

65
- Mechanical Adjustment
  65
- Electrical Adjustment
  65
- Preparation before Adjustment
  65
- Equipment Required
  65
- Equipment Connection
  65
- Setup for Adjustment
  65
- Alignment Tape
  65
- Input/Output Levels and Impedance
  66
- Adjustment Sequence
  66
- Power Supply Check
  66
- Power Supply Voltage Check (MA-360 Board)
  66
- Servo System Adjustment
  67
- RF Switching Position Adjustment
  67
  - (MA-360 Board)
    67
- Hi-Fi Switching Position Adjustment
  67
- Video System Check
  68
- Playback Level Check (MA-360 Board)
  68
- Sync AGC Check (MA-360 Board)
  68
- Deviation Check
  68
- Audio System Adjustment
  69
- Hi-Fi Audio System Check
  69
- E-E Output Level Check
  69
- Overall Level Characteristics Check
  69
- Normal Audio System Adjustment
  69
- ACE Head Adjustment
  69
- Frequency Response Check
  69
- Laser Link System Adjustment
  70
- Laser Link Video Output Level Adjustment
  70
  - (LR-15 Board)
    70
    
    Exploded Views
    71
    
    Chassis Section
    72
    
    Mechanism Deck
    74
    
    Electrical Parts List
    76

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