Sony DSR-20MD Manuals

Manuals and User Guides for Sony DSR-20MD. We have 1 Sony DSR-20MD manual available for free PDF download: Service Manual

Sony DSR-20MD Service Manual

Sony DSR-20MD Service Manual (225 pages)

DIGITAL VIDEO CASSETTE RECORDER

Brand: Sony | Category: VCR | Size: 35.93 MB

Table of Contents

Service Note
4
Table of Contents
5
General
8
Disassembly
18
Removal of Upper Case
18
Removal of Front Panel Assembly
18
Removal of VA-102 Board
18
Removal of Power Block
18
Removal of MD Block Assembly
19
Removal of CM-56 Board
19
Removal of JC-19 Board
19
Removal of RP-228 Board
19
Circuit Boards Location
20
Overall Block Diagram 1
21
Overall Block Diagram 2
22
Overall Block Diagram 3
23
Overall Block Diagram 4
24
Overall Block Diagram 5
25
Overall Block Diagram 6
26
Printed Wiring Boards and Schematic Diagrams
27
Frame Schematic Diagrams
28
- Frame (1/2) Schematic Diagram
  28
- Frame (2/2) Schematic Diagram
  29
Printed Wiring Boards and Schematic Diagrams
30
- Printed Wiring Board
  30
- Printed Wiring Board
  34
- AD/DA CONVERTER) Schematic Diagram
  36
- S1 AFC) Schematic Diagram
  38
- U1) Schematic Diagram
  40
- D1) Schematic Diagram
  43
- C1 SPCON) Schematic Diagram
  44
- MODE) Schematic Diagram
  47
- DV IN/OUT) Schematic Diagram
  48
- AUDIO CORE) Schematic Diagram
  50
- DIGITAL AUDIO) Schematic Diagram
  51
- AUDIO D/A, A/D CONVERTER) Schematic Diagram
  53
- Printed Wiring Board
  54
- Printed Wiring Board
  56
  - IF) Schematic Diagram
    58
  - VIDEO IN) Schematic Diagram
    59
  - VIDEO OUT) Schematic Diagram
    60
  - UVIC & DV IN/OUT) Schematic Diagram
    63
  - MONITOR OUT) Schematic Diagram
    64
  - AUDIO) Schematic Diagram
    65
  - HI MICOM) Schematic Diagram
    67
  - Printed Wiring Board
    69
  - RS MICOM) Schematic Diagram
    70
  - Printed Wiring Boards
    71
  - Printed Wiring Board
    73
  - Printed Wiring Board
    75
  - Printed Wiring Board
    79
  - Printed Wiring Board
    82
  - Waveforms
    86
Printed Parts Location
91
Adjustments
93
Mechanical Section Adjustments
93
Service Mode
147
- Adjusting Remote Commander
  147
- Used Adjustment Remote Commander
  147
- Precautions Upon Using the Adjusting Remote Commander
  147
- Data Processing
  148
- Service Mode
  149
- Emergence Memory Address
  149
- EMG Code (Emergency Code)
  149
Video Section Adjustments
150
Preparations before Adjustment
150
- Equipment Used
  150
- Connection of Equipment
  150
- Adjusting Connectors (RP 228 Board CN775)
  151
- Checking the Input Signals
  152
- S Video Input
  152
- Video Input
  152
- Input/Output Level and Impedance
  154
Power Supply System Adjustment
154
- Power Supply Voltage Check, Power Block (U-2 Board)
  154
- Video/Audio Block Power Supply Voltage Check Power Block (U-2 Board)
  154
System Control System Adjustment
155
- Initializing the C, D, E
  155
- Input of C Page Initial Data
  155
- Input of D Page Initial Data
  155
- Input of E Page Initial Data
  155
- Modification of C, D, E
  155
- Page C Address List
  156
- Page D Address List
  156
- Page E Address List
  157
Servo System Adjustments
158
- Switching Position Adjustment (CM-56 Board)
  158
- Capstan FG Duty Adjustment (CM-56 Board)
  158
Video System Adjustments
159
Audio System Adjustments
179
- Playback Level/Indicator Check
  179
- E-E Level Check
  179
- Recording/Playback Check (Audio Lock Mode)
  179
Arrangement Diagram for Adjustment Parts
179
Repair Parts List
181
Exploded Views
181
- Overall Assembly
  181
- Chassis Assembly
  182
- MD Block Assembly
  183
- Mechanism Chassis Assembly
  185
  - (Top Side View (1))
    185
- Mechanism Chassis Assembly
  186
  - (Top Side View (2))
    186
- Mechanism Chassis Assembly
  187
  - (Top Side View (3))
    187
  - (Bottom Side View (1))
    188
- Mechanism Chassis Assembly
  188
  - (Bottom Side View (2))
    189
Electrical Parts List
190
Hardware List
222

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