Table Of Contents - Sony WM-FX888 Service Manual
Radio cassette player
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Also See for WM-FX888:
- Operating instructions manual (60 pages) ,
- Operating instructions (2 pages)
Table of Contents
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WM-FX888
QQ
3 7 63 1515 0
TABLE OF CONTENTS
1.
2.
................................................................... 5
3.
3-1. Disassembly Flow ........................................................... 6
3-2. Case Section .................................................................... 6
3-3. MAIN Board ................................................................... 7
3-4. Belt (F2) .......................................................................... 7
3-5. Motor (Capstan/Reel) (M601) ........................................ 8
3-6. Cassette Lid Sub Assy ..................................................... 8
3-7. Reel Ornament Block Assy ............................................. 9
3-8. Holder (F) Assy (/M) ...................................................... 9
3-9. Pinch Lever (RA)/(NA) Assy ......................................... 10
3-10. Magnetic Head (Playback) (HP901) .............................. 10
4.
5.
6.
6-1. Block Diagram - TUNER Section - ............................. 13
6-2. Block Diagram - MAIN Section - ................................ 14
and Schematic Diagrams ................................................ 15
6-4. Printed Wiring Board - MAIN Board (Side A) - ......... 16
6-5. Printed Wiring Board - MAIN Board (Side B) - ......... 17
6-6. Schematic Diagram - MAIN Board (1/2) - .................. 18
6-7. Schematic Diagram - MAIN Board (2/2) - .................. 19
6-8. IC Pin Function Description ........................................... 21
7.
7-1. Case Section .................................................................... 23
7-2. Chassis Section ............................................................... 24
7-3. Main Section ................................................................... 25
8.
www
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2
http://www.xiaoyu163.com
............................................... 3
....................... 11
......................... 11
............................... 29
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http://www.xiaoyu163.com
8
Note on the AC power adaptor
Use only the supplied AC power adaptor. Do not use
any other AC power adaptor.
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.
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.
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3
6 7
1 3
SAFETY-RELATED COMPONENT WARNING!!
u163
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 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.
2 9
9 4
2 8
Polarity of
the plug
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
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