Sony hcd v 909 av service manual

Page 2

Ñ 3 Ñ TABLE OF CONTENTS 1. SERVICING NOTE .......................................................... 3 2. GENERAL .......................................................................... 6 3. DISASSEMBLY 3-1. Back Panel ........................................................................... 7 3-2. Loading Panel ....................................................................... 8 3-3. CD Mechanism Deck ............................................................ 8 3-4. Front Panel ........................................................................... 9 3-5. TC Mechanism Deck and DECO Board ............................... 9 3-6. HP/MIC Board, Display Board and TC SW Board ............ 10 3-7. Disc Tray ........................................................................... 10 4. TEST MODE.............................................................. 11 5. MECHANICAL ADJUSTMENTS........................... 12 6. ELECTRICAL ADJUSTMENTS ............................... 12 7. DIAGRAMS 7-1. Circuit Boards Location ...................................................... 17 7-2. Block Diagrams ¥ KEY CON Section ........................................................... 18 ¥ CD Section ....................................................................... 19 ¥ Video Section ................................................................... 21 ¥ Deck Section .................................................................... 23 ¥ Main Section .................................................................... 25 ¥ Power Section .................................................................. 27 7-3. Printed Wiring Board Ñ CD Section Ñ ............................. 29 7-4. Schematic Diagram Ñ CD Section Ñ ............................... 31 7-5. Schematic Diagram Ñ Video Section Ñ ........................... 33 7-6. Printed Wiring Board Ñ Video Section Ñ ......................... 37 7-7. Printed Wiring Board Ñ Main Section Ñ .......................... 40 7-8. Schematic Diagram Ñ Main Section Ñ ............................ 43 7-9. Schematic Diagram Ñ Deck Section Ñ ............................ 47 7-10. Printed Wiring Board Ñ Deck Section Ñ ....................... 51 7-11. Schematic Diagram Ñ Panel Section Ñ ......................... 54 7-12. Printed Wiring Board Ñ Panel Section Ñ ....................... 57 7-13. Schematic Diagram Ñ Power Section Ñ ........................ 61 7-14. Printed Wiring Board Ñ Power Section Ñ ..................... 65 7-15. Schematic Diagram Ñ CD Motor Section Ñ .................. 68 7-16. Printed Wiring Board Ñ CD Motor Section Ñ ............... 69 7-17. Schematic Diagram Ñ KEY CON Section Ñ ................. 71 7-18. Printed Wiring Board Ñ KEY CON Section Ñ .............. 72 7-19. IC Block Diagrams ........................................................... 73 7-20. IC Pin Functions ............................................................... 80 8. EXPLODED VIEWS 8-1. Case Section ........................................................................ 97 8-2. Main Board Section ............................................................ 98 8-3. Panel Board Section ............................................................ 99 8-4. Front Panel Section ........................................................... 100 8-5. TC Mechanism Section 1 (TCM-220WR2) ...................... 101 8-6. TC Mechanism Section 2 (TCM-220WR2) ...................... 102 8-7. CD Mechanism Section 1 (CDM38L-5BD29AL) ............ 103 8-8. CD Mechanism Section 2 (CDM38L-5BD29AL) ............ 104 8-9. Base Unit Section (BU-5BD29AL) .................................. 105 9. ELECTRICAL PARTS LIST ...................................... 106 SECTION 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Remove the Case. 2 Remove the Back panel. 4 Pull-out the disc tray. 3 Turn the cam to the direction of arrow. Note for Installation (ROTARY ENCODER) BU cam grooveSection A Note :When attaching the Base unit. insert the section A into the groove of BU cam. Note :When attaching the BU cam, engage the Rotary encoder switch as shown in the figure.