Sony RMT-V298A, Руководство по обслуживанию

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TABLE OF CONTENTS
Section Title Page Section Title Page
Feature Difference ................................................................... 3
SERVICE NOTE ...................................................................... 5
1. GENERAL
Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-4
Additional Operations .................................................... 1-8
Editing ............................................................................ 1-12
Additional Information ................................................... 1-13
2. DISASSEMBLY
2-1. Upper Case Removal .................................................... 2-1
2-2. Rear Panel Removal ..................................................... 2-1
2-3. PSM17-501 Board Removal ......................................... 2-1
2-4. Front Panel Section Removal ........................................ 2-1
2-5. Mechanism Deck Removal ............................................ 2-2
2-6. MA-377 Board Removal ................................................ 2-2
2-7. Internal Views ................................................................ 2-3
2-8. Circuit Boards Location ................................................. 2-4
3. BLOCK DIAGRAMS
3-1. Overall Block Diagram ................................................... 3-1
3-2. Video Block Diagram ..................................................... 3-3
3-3. Servo/System Control Block Diagram .......................... 3-5
3-4. Audio Block Diagram ..................................................... 3-7
3-5. Tuner Block Diagram ..................................................... 3-9
3-6. Mode Control Block Diagram ........................................ 3-11
3-7. Power Block Diagram .................................................... 3-13
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4-1. Frame Schematic Diagram ............................................ 4-3
4-2. Printed Wiring Boards and Schematic Diagrams ......... 4-5
MA-377 Printed Wiring Board ....................................... 4-5
MA-377 (Video, Audio) Schematic Diagram ................. 4-9
MA-377 (System Control) Schematic Diagram ............ 4-13
MA-377 (Servo Control) Schematic Diagram ............... 4-17
MA-377 (Hi-Fi Audio) Schematic Diagram .................... 4-19
MA-377 (Tuner) Schematic Diagram ............................ 4-21
MA-377 (I/O) Schematic Diagram ................................. 4-23
MA-377 (Mode Control) Schematic Diagram ................ 4-25
SE-103 Printed Wiring Board and
Schematic Diagram ....................................................... 4-27
GK-12 Printed Wiring Board and
Schematic Diagram ....................................................... 4-29
NK-11 Printed Wiring Board and
Schematic Diagram ....................................................... 4-31
FJ-26, MF-321 Printed Wiring Boards and
Schematic Diagrams ..................................................... 4-33
DS-92, KK-24 Printed Wiring Boards and
Schematic Diagrams ..................................................... 4-35
PSM17-501 Printed Wiring Board ................................. 4-37
PSM17-501 Schematic Diagram ................................... 4-39
5. INTERFACE, IC PIN FUNCTION DESCRIPTION
5-1. System Control-Video Block Interface
(MA-377 BOARD IC101) ............................................... 5-1
5-2. System Control-Servo Peripheral Circuit Interface
(MA-377 BOARD IC101) ............................................... 5-1
5-3. System Control-Mechanism Block Interface
(MA-377 BOARD IC101) ............................................... 5-2
5-4. System Control-Audio Block Interface
(MA-377 BOARD IC101) ............................................... 5-3
5-5. Servo/System Control,
OSD Microprocessor Pin Function
(MA-377 BOARD IC101) ............................................... 5-4
5-6. NICAM Processor Pin Function
(NK-11 BOARD IC1) ..................................................... 5-5
5-7. ZWEITON Processor Pin Function
(GK-12 BOARD IC001) ................................................. 5-5
6. ERROR CODES
....................................................... 6-1
7. ADJUSTMENTS
7-1. Mechanical Adjustments ............................................... 7-1
7-2. Electrical Adjustments ................................................... 7-1
2-1. Pre-Adjustment Preparations ........................................ 7-1
2-1-1. Instruments to be Used ............................................ 7-1
2-1-2. Connection ............................................................... 7-1
2-1-3. Set-up of Adjustment ............................................... 7-1
2-1-4. Alignment Tapes ....................................................... 7-1
2-1-5. Specified I/O Level and Impedance ......................... 7-1
2-1-6. Adjusting Sequence ................................................. 7-2
2-2. Power Supply Adjustment ............................................. 7-2
2-2-1. Power Supply Check ................................................ 7-2
2-3. Servo System Adjustment ............................................. 7-2
2-3-1. RF Switching Position Adjustment ........................... 7-2
2-4. Audio System Adjustments ........................................... 7-3
2-4-1. Hi-Fi Audio System Adjustment ............................... 7-3
1.
AF Switching Position Adjustment ........................... 7-3
2. Frequency Response Check .................................... 7-3
3. Overall Level Characteristic and
Distortion Factor Check ........................................... 7-4
4. Overall S/N Check .................................................... 7-4
2-4-2. Normal Audio System Adjustment ........................... 7-4
1.
ACE Head Adjustment ............................................. 7-4
2. E-E Output Level Check ........................................... 7-4
3. Frequency Responce Check .................................... 7-4
4. Overall Level Characteristic and Distortion
Factor Check ............................................................ 7-5
5. Overall S/N Check .................................................... 7-5
2-5. Tuner System Adjustment ............................................. 7-5
2-5-1. Separation Adjustment ............................................. 7-5
2-6. Parts Arrangement Diagram for Adjustments ............... 7-6
8. REPAIR PARTS LIST
8-1. Exploded Views ............................................................. 8-1
8-1-1. Front Panel and Cabinet Assemblies ....................... 8-1
8-1-2. Chassis Assembly .................................................... 8-3
8-1-3. Mechanism Chassis Assembly (1) ........................... 8-4
8-1-4. Mechanism Chassis Assembly (2) ........................... 8-5
8-1-5. Mechanism Chassis Assembly (3) ........................... 8-6
8-2. Electrical Parts List ....................................................... 8-7