Read Sony XR-C8220R Service Manual online
– 2 –
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
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-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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
........... 14
5.
MECHANICAL ADJUSTMENTS
....................... 17
6.
ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 18
Tape Deck Section .......................................................... 18
Tuner Section .................................................................. 19
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
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
– 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
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
................................................ 62
9.
ELECTRICAL PARTS LIST
............................... 65
SECTION 1
SERVICE NOTE
• 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.
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)
MSM6656A-690GS-KR1 (TYPE D: ENGLISH, ITALIAN)
MSM6656A-688GS-KR1 (TYPE B: ENGLISH, GERMAN)
MSM6656A-689GS-KR1 (TYPE C: ENGLISH, SPANISH)
MSM6656A-690GS-KR1 (TYPE D: ENGLISH, ITALIAN)
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