Sony xr 4803 service manual

This is the 34 pages manual for sony xr 4803 service manual.
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sony xr 4803 service manual

Extracted text from sony xr 4803 service manual (Ocr-read)


Page 1

Ð 2 Ð 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.

Page 2

Ð 3 Ð SECTION 1 GENERAL This section is extracted from instruction manual.