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Extracted text from sony xr 4803 service manual (Ocr-read)
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TABLE OF CONTENTS
1. GENERAL
................................................................... 3
2. DISASSEMBLY ......................................................... 9
3. ASSEMBLY OF MECHANISM DECK ........... 11
4. MECHANICAL ADJUSTMENTS ....................... 14
5. ELECTRICAL ADJUSTMENTS
Test Mode ........................................................................ 14
Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 15
6. DIAGRAMS
6-1. IC Pin Function Description ........................................... 17
6-2. Printed Wiring Board Ð MAIN Section Ð ...................... 21
6-3. Schematic Diagram Ð MAIN Section Ð .......................... 23
6-4. Printed Wiring Board Ð PANEL Section Ð .................... 27
6-5. Schematic Diagram Ð PANEL Section Ð ....................... 29
7. EXPLODED VIEWS ................................................ 33
8. ELECTRICAL PARTS LIST ............................... 36
Flexible Circuit Board Repairing
¥ Keep the temperature of the soldering iron around 270 ûC 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-
aged by heat.
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SECTION 1
GENERAL This section is extracted from
instruction manual.
