Table Of Contents; Service Note - Sony XR-C8220R Service Manual

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TABLE OF CONTENTS

1. SERVICE NOTE
....................................................... 2
2. GENERAL
Location of Controls ....................................................... 3
Resetting the Unit ........................................................... 4
Setting the Clock ............................................................. 4
Other Functions ............................................................... 4
Installation ....................................................................... 6
Connections ..................................................................... 7
3. DISASSEMBLY
......................................................... 12
4. ASSEMBLY OF MECHANISM DECK
5. MECHANICAL ADJUSTMENTS
6. ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 18
Tape Deck Section .......................................................... 18
Tuner Section .................................................................. 19
7. DIAGRAMS
7-1. Block Diagram - TUNER Section - .............................. 23
7-2. Block Diagram - TAPE Section - .................................. 25
7-3. Block Diagram - MAIN Section - ................................. 27
7-4. Block Diagram
- DISPLAY/KEY CONTROL Section - ........................ 29
7-5. Block Diagram
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L 13942296513
- BUS CONTROL/POWER SUPPLY Section - ........... 31
7-6. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 33
7-7. Printed Wiring Board
- MAIN Board (Component Side) - .............................. 35
7-8. Printed Wiring Board
- MAIN Board (Conductor Side) - ................................ 37
7-9. Schematic Diagram - MAIN Board (1/4) - ................... 39
7-10. Schematic Diagram - MAIN Board (2/4) - ................... 41
7-11. Schematic Diagram - MAIN Board (3/4) - ................... 43
7-12. Schematic Diagram - MAIN Board (4/4) - ................... 45
7-13. Printed Wiring Board - KEY Board - ............................ 47
7-14. Schematic Diagram - KEY Board - .............................. 49
7-15. Printed Wiring Boards - SUB/INVERTER Boards - .... 51
7-16. Schematic Diagram
- SUB/INVERTER Boards - .......................................... 52
7-17. IC Pin Function Description ........................................... 58
8. EXPLODED VIEWS
9. ELECTRICAL PARTS LIST
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http://www.xiaoyu163.com
........... 14
....................... 17
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............................... 65
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SECTION 1

SERVICE NOTE

8
• Model Identification
The destination is expressed with the model according to the lan-
guage of CSV (Computer Sound Voice) mounted in the set.
How to identify the model is described below.
- MAIN BOARD (Component Side) -
IC650
MSM6656A-687GS-KR1 (TYPE A: ENGLISH, FRENCH)
MSM6656A-688GS-KR1 (TYPE B: ENGLISH, GERMAN)
MSM6656A-689GS-KR1 (TYPE C: ENGLISH, SPANISH)
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MSM6656A-690GS-KR1 (TYPE D: ENGLISH, ITALIAN)
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
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or unsoldering.
.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
- 2 -
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
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