ZS-D55 - Sony Audio Service Manual (repair manual). Page 2

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Specifications ...........................................................................  1

........................................................... 3

...................................................................... 4

3-1. Cabinet Rear ASSY, Cabinet Front ASSY ................ 6
3-2. Power Board, P/T In Board, P/T Out Board,

BATT S Board ........................................................... 7

3-3. Tuner Board .............................................................. 7
3-4. Jack Board ................................................................. 7
3-5. Audio Board .............................................................. 8
3-6. CD Board .................................................................. 8
3-7. TC Board ................................................................... 9
3-8. Cabinet Top ASSY .................................................... 9
3-9. H/P Board ................................................................ 10
3-10. TC/M Board ............................................................ 10
3-11. MD Block ASSY ...................................................... 11
3-12. TC LED (L) Board, TC LED (R) Board,

TC Key Board .......................................................... 11

3-13. TC RF Board, Head Relay Board, Belt FR,

Belt BR, Capstan/Reel Motor (M691) .................... 12

3-14. CD Chassis ASSY ................................................... 12
3-15. CD Block Section ................................................... 13
3-16. Loading Board ........................................................ 13
3-17. “Tray ASSY, CD” ................................................... 14
3-18. Optical Pick-up Block, Pick-up Relay Board ......... 14
3-19. Panel DECO ASSY ................................................ 15
3-20. Control Board, JOG LED1 Board,

JOG LED2 Board .................................................... 15

3-21. Key Board ............................................................... 16

3-22. BATT Board ........................................................... 16

................................................................ 17

5-1. Mechanical Adjustmens ............................................ 18
5-2. Electrical Adjustments .............................................. 19

6-1. Explanation of IC Terminals ................................... 22
6-2. Block Diagrams (Tape, Main Section) ................... 24
6-3. Block Diagrams (Tuner, CD Section) .................... 27
6-4. Printed Wiring Boards (Main Section) ................... 31
6-5. Schematic Diagram (Main Section) ....................... 35
6-6. Schematic Diagram (CD Section) .......................... 39
6-7. Printed Wiring Boards (CD Section) ...................... 43
6-8. Printed Wiring Boards (Contorl Section) ............... 45
6-9. Schematic Diagram (Control Section) .................... 47
6-10. Printed Wiring Boards (Tuner Section) .................. 51
6-11. Schematic Diagram (Tuner Section) ...................... 52

7-1. Rear Cabinet Section ................................................ 60
7-2. Front Cabinet Section ............................................... 61
7-3. CD Block Section ..................................................... 62
7-4. Top Cabinet Section .................................................. 63
7-5. Mechanism Deck Section (1/2) ................................ 64
7-6. Mechanism Deck Section  (2/2) ............................... 65
7-7. CD Section ................................................................ 66
7-8. Optical Pick-up Section ............................................ 67

................................... 68

Power requirements

For personal audio system:
230V AC, 50 Hz
12 V DC, 8 R20 (size D) batteries

For memory back-up:
6 V DC, 4 R6 (size AA) batteries

For remote control:
3 V DC, 2 R6 (size AA) batteries

Power consumption

AC 20 W

Battery life

For personal audio system

Sony R20P: approx. 6 h

Sony alkaline LR20: approx. 12 h

Sony R20P: approx. 3 h

Sony alkaline LR20: approx. 6 h

Sony R20P: approx. 1.5 h

Sony alkaline LR20: approx. 3 h

Dimensions  (incl. projecting parts)
Approx. 486 x 244 x 177 mm  (w/h/d)

(17 

1

⁄

10

 x 9 

3

⁄

5

 x 6 

9

⁄

10

 inches)

Mass (incl. batteries)

Approx. 6.2 kg (13 lb. 11 oz)

Supplied accessories

Mainns Lead (1)
Remote control (1)

Design and specifications are subject to change without notice.