Read Sony MDX-C8970R Service Manual online
2
1.
SERVICE NOTE
.......................................................
3
2.
GENERAL
Location of controls ........................................................
4
Resetting the unit ............................................................
4
Detaching the front panel ................................................
4
Preparing the rotary commander ....................................
4
Setting the clock ..............................................................
4
Installation .......................................................................
5
Connections .....................................................................
6
Installation for microphone and rotary commander .......
9
3.
DISASSEMBLY
......................................................... 11
4.
ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 17
MD Section ..................................................................... 17
Tuner Section .................................................................. 17
MD Section ..................................................................... 17
Tuner Section .................................................................. 17
5.
DIAGRAMS
5-1. Block Diagram – SERVO Section – .............................. 21
5-2. Block Diagram – TUNER Section – ............................. 22
5-3. Block Diagram – MAIN Section – ................................ 23
5-4. Block Diagram
5-2. Block Diagram – TUNER Section – ............................. 22
5-3. Block Diagram – MAIN Section – ................................ 23
5-4. Block Diagram
– DISPLAY/KEY CONTROL Section – ........................ 24
5-5. Block Diagram
– BUS CONTROL/POWER SUPPLY Section – ........... 25
5-6. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 26
5-7. Printed Wiring Board – SERVO/SENSOR Boards – .... 27
5-8. Schematic Diagram
5-8. Schematic Diagram
– SERVO (1/2)/SENSOR Boards – ............................... 28
5-9. Schematic Diagram – SERVO Board (2/2) – ................ 29
5-10. Printed Wiring Board
5-10. Printed Wiring Board
– MAIN Board (Component Side) – .............................. 30
5-11. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 31
5-12. Schematic Diagram – MAIN Board (1/5) – .................. 32
5-13. Schematic Diagram – MAIN Board (2/5) – .................. 33
5-14. Schematic Diagram – MAIN Board (3/5) – .................. 34
5-15. Schematic Diagram – MAIN Board (4/5) – .................. 35
5-16. Schematic Diagram – MAIN Board (5/5) – .................. 36
5-17. Printed Wiring Board – POWER Board – ..................... 38
5-18. Schematic Diagram – POWER Board – ........................ 39
5-19. Printed Wiring Board – DISPLAY Board – .................. 40
5-20. Schematic Diagram – DISPLAY Board – ..................... 41
5-21. Printed Wiring Board – RELAY Board – ...................... 42
5-22. Schematic Diagram – RELAY Board – ......................... 43
5-23. IC Pin Function Description ........................................... 52
5-13. Schematic Diagram – MAIN Board (2/5) – .................. 33
5-14. Schematic Diagram – MAIN Board (3/5) – .................. 34
5-15. Schematic Diagram – MAIN Board (4/5) – .................. 35
5-16. Schematic Diagram – MAIN Board (5/5) – .................. 36
5-17. Printed Wiring Board – POWER Board – ..................... 38
5-18. Schematic Diagram – POWER Board – ........................ 39
5-19. Printed Wiring Board – DISPLAY Board – .................. 40
5-20. Schematic Diagram – DISPLAY Board – ..................... 41
5-21. Printed Wiring Board – RELAY Board – ...................... 42
5-22. Schematic Diagram – RELAY Board – ......................... 43
5-23. IC Pin Function Description ........................................... 52
6.
EXPLODED VIEWS
................................................ 66
7.
ELECTRICAL PARTS LIST
............................... 70
TABLE OF CONTENTS
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