Sony hcd vx 550

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2 CD OPTICAL DIGITAL OUT (Square optical connector jack, rear panel) Wavelength 660 nm Output Level Ð18 dBm Tape player sectionRecording system 4-track 2-channel stereo Frequency response 40 - 13,000 Hz (±3 dB), (DOLBY NR OFF) using Sony TYPE I cassette 40-14,000 Hz (± 3 dB), using Sony TYPE II cassette Tuner sectionFm stereo, FM/ AM superheterodyne tuner FM tuner sectionTuning range 87.5-108.0 MHz Antenna FM lead antenna Antenna terminals 75 W unbalanced Intermediate frequency 10.7 MHz AM tuner sectionTuning range 2 Band type: 531-1,602 kHz (with the interval set at 9 kHz) 530-1,710 kHz (with the interval set at 10 kHz) 3 Band type: MW: 531-1,602 kHz (with the interval set at 9 kHz) 530-1,710 kHz (with the interval set at 10 kHz) SW: 5.95-17.90 MHz (with the interval set at 5 kHz) Antenna AM loop antenna Antenna terminals External antenna terminal Intermediate frequency 450 kHz GeneralPower requirements 220 V AC, 50/ 60 Hz Power consumption: 160 W Dimensions (w/h/d) Approx. 280 ´ 340 ´ 395 mm Mass: Approx. 10.0 kg Design and specifications are subject to change without notice. TABLE OF CONTENTS 1. SERVICING NOTESááááááááááááááááááááááááááááááááááááááááááááááááá 3 2. GENERAL .......................................................................... 5 3. DISASSEMBLY ................................................................ 8 4. TEST MODE ................................................................... 11 5. MECHANICAL ADJUSTMENTS ............................ 14 6. ELECTRICAL ADJUSTMENTS DECK Section .................................................................. 14 CD Section ....................................................................... 17 VIDEO Section ................................................................. 17 7. DIAGRAMS 7-1. Block Diagram CD SERVO Section .......................................................... 18 AUDIO/VIDEO CD Section ............................................ 19 TAPE DECK Section ....................................................... 20 MAIN Section .................................................................. 21 DISPLAY/KEY CONTROL/ POWER SUPPLY Section áááááááááááááááááááááááááááááááááááááááááááááááá 22 7-2. Circuit Board Location ááááááááááááááááááááááááááááááááááááááááááááááááááá\ áá 23 7-3. Printed Wiring Board BD Board .................................... 24 7-4. Schematic Diagram BD Board ....................................... 25 7-5. Schematic Diagram VIDEO Board (1/2) ........................ 26 7-6. Schematic Diagram VIDEO Board (2/2) ........................ 27 7-7. Printed Wiring Board VIDEO Board .............................. 28 7-8. Printed Wiring Boards CD MOTOR Section ................. 30 7-9. Schematic Diagram CD MOTOR Section ...................... 31 7-10. Printed Wiring Board AUDIO Board ............................. 32 7-11. Schematic Diagram AUDIO Board ................................ 33 7-12. Printed Wiring Board LEAF SW Board ......................... 34 7-13. Schematic Diagram LEAF SW Board ............................ 34 7-14. Printed Wiring Board MAIN Board ............................... 35 7-15. Schematic Diagram MAIN Board (1/4) ......................... 36 7-16. Schematic Diagram MAIN Board (2/4) ......................... 37 7-17. Schematic Diagram MAIN Board (3/4) ......................... 38 7-18. Schematic Diagram MAIN Board (4/4) ......................... 39 7-19. Printed Wiring Board PANEL Board ............................. 40 7-20. Schematic Diagram PANEL Board ................................ 41 7-21. Printed Wiring Board CD SW/5V POWER Board ........ 42 7-22. Schematic Diagram CD SW/5V POWER Board ........... 42 7-23. Printed Wiring Board TRANSFORMER Board ............ 43 7-24. Schematic Diagram TRANSFORMER Board ............... 43 7-25. Printed Wiring Board SURROUND Board .................... 44 7-26. Schematic Diagram SURROUND Board ....................... 44 7-27. IC Block Diagrams ........................................................... 45 7-28. IC Pin Function Description ............................................. 49 8. EXPLODED VIEWS ..................................................... 60 9. ELECTRICAL PARTS LIST ..................................... 68