Sony str k 665 p service manual

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2 STR-K665P Design and specifications are subject to change without notice. AM tuner section Tuning range With 10-kHz tuning scale: 530 - 1,710 kHz 3) With 9-kHz tuning scale: 531 - 1,710 kHz 3) Antenna Loop antenna Intermediate Frequency 450 kHz 3) Yo u can change the AM tuning scale to 9 kHz or 10 kH z. After tuning in any AM station, turn off the receiver. While holding down PRESET TUNING + or TUNING +, press ?/1. All preset stations will be erased when you change the tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat the procedure. 120 V AC, 60 Hz General Power requirements 160 W Power consumption (during standby mode) 0.3 W Dimens ions (w/h/d) (Approx.) 430 × 145 × 301.5 mm ( 17 × 5 6/8 × 11 7/ 8 inches) including projecting parts and controls Mass (Approx.) 6.5 kg (14 lb 6 oz) Power consumption T ABLE OF CONTENTS 1. GENERAL ··················\ ··················\ ··················\ ············· 4 2. TEST MODE ··················\ ··················\ ··················\ ················ 8 3. DIAGRAMS 3-1. Circuit Board Location ··················\ ··················\ ············· 9 3-2. Block Diagrams – MAIN Section – ··················\ ········· 10 – DISPLAY/POWER Section – ··················\ ··············· 11 3-3. Printed Wiring Board – DIGITAL Board (Side A) – ··················\ ··················\ · 12 3-4. Printed Wiring Board – DIGITAL Board (Side B) – ··················\ ··················\ · 13 3-5. Schematic Diagram – DIGITAL Section (1/2) – ······· 14 3-6. Schematic Diagram – DIGITAL Section (2/2) – ······· 15 3-7. Printed Wiring Board – MAIN Section – ··················\ · 16 3-8. Schematic Diagram – MAIN Section (1/2) – ············· 17 3-9. Schematic Diagram – MAIN Section (2/2) – ············· 18 3-10. Printed Wiring Board – SUB WOOFER Board – ······ 19 3-11. Schematic Diagram – SUB WOOFER Board – ········· 19 3-12. Printed Wiring Board – POWER Section – ··············· 20 3-13. Schematic Diagram – POWER Section – ··················\ 21 3-14. Printed Wiring Board – FRONT PANEL Section – ··· 22 3-15. Schematic Diagram – FRONT PANEL Section – ······ 23 3-16. IC Pin Function Descriptions ··················\ ··················\ · 27 4. EXPLODED VIEWS 4-1. Front Panel Section ··················\ ··················\ ················ 29 4-2. Chassis Section ··················\ ··················\ ··················\ ···· 30 5. ELECTRICAL PARTS LIST ··················\ ··················\ · 31