Read Sony CFD-S28 Service Manual online
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TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
.........................................................
7
4.
MECHANICAL ADJUSTMENTS
....................... 13
5.
ELECTRICAL ADJUSTMENTS
TAPE DECK Section ...................................................... 13
TUNER Section .............................................................. 14
CD Section ...................................................................... 16
TUNER Section .............................................................. 14
CD Section ...................................................................... 16
6.
DIAGRAMS
6-1. Block Diagram – CD Section – ...................................... 17
6-2. Block Diagram – TUNER Section – .............................. 19
6-3. Block Diagram – MAIN Section – ................................. 21
6-4. Printed Wiring Board – TUNER Section – ................... 26
6-5. Schematic Diagram – TUNER Section – ....................... 27
6-6. Printed Wiring Boards – MAIN Section – .................... 29
6-7. Schematic Diagram – MAIN Section (1/3) – ................ 32
6-8. Schematic Diagram – MAIN Section (2/3) – ................ 35
6-9. Schematic Diagram – MAIN Section (3/3) – ................ 37
6-10. Printed Wiring Boards
6-2. Block Diagram – TUNER Section – .............................. 19
6-3. Block Diagram – MAIN Section – ................................. 21
6-4. Printed Wiring Board – TUNER Section – ................... 26
6-5. Schematic Diagram – TUNER Section – ....................... 27
6-6. Printed Wiring Boards – MAIN Section – .................... 29
6-7. Schematic Diagram – MAIN Section (1/3) – ................ 32
6-8. Schematic Diagram – MAIN Section (2/3) – ................ 35
6-9. Schematic Diagram – MAIN Section (3/3) – ................ 37
6-10. Printed Wiring Boards
– POWER SUPPLY Section – ........................................ 41
6-11. Schematic Diagram – POWER SUPPLY Section – ...... 43
6-12. IC Pin Function Description ........................................... 49
6-12. IC Pin Function Description ........................................... 49
7.
EXPLODED VIEWS
................................................ 51
8.
ELECTRICAL PARTS LIST
............................... 57
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED
LINE WITH MARK
!
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
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.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as a CLASS 1 LASER product.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
exceeding the limit for Class 1.
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