Sony tc kb 920s service manual

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Ð 2 Ð 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. 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. MODEL IDENTIFICATION Ð BACK PANEL Ð 3-020-984- AEP Model : 0 ¹ Australian Model : 2 ¹ Malaysia, Singapore Model : 3 ¹

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Ð 3 Ð TABLE OF CONTENTS 1. GENERAL ................................................................... 4 2. DISASSEMBLY ......................................................... 5 3. MECHANICAL ADJUSTMENTS ....................... 9 4. ELECTRICAL ADJUSTMENTS ......................... 10 5. DIAGRAMS 5-1. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 14 5-2. Printed Wiring Boards Ð MD Section Ð ......................... 15 5-3. Schematic Diagram Ð MD Section Ð .............................. 17 5-4. Printed Wiring Board Ð MAIN Section Ð ...................... 19 5-5. Schematic Diagram Ð MAIN Section Ð (1/2) ................. 21 5-6. Schematic Diagram Ð MAIN Section Ð (2/2) ................. 23 5-7. Printed Wiring Board Ð DOLBY-S Section Ð ............... 25 5-8. Schematic Diagram Ð DOLBY-S Section Ð .................. 25 5-9. Printed Wiring Boards Ð POWER Section Ð ................. 27 5-10. Schematic Diagram Ð POWER Section Ð ...................... 28 5-11. Printed Wiring Boards Ð PANEL Section Ð .................. 29 5-12. Schematic Diagram Ð PANEL Section Ð ........................ 31 5-13. IC Pin Function Description ........................................... 33 6. EXPLODED VIEWS ................................................ 35 7. ELECTRICAL PARTS LIST ............................... 40