PMC-DR45 - Sony Audio Service Manual (repair manual). Page 2

– 2 –

Power requirements

For personal component system:
120 V AC, 60 Hz
For remote control:
3 V DC, 2 AA (size R6) batteries

Power consumption

AC 45 W (US model)
AC 50W (Canadian model)

Dimensions (incl. projecting parts)

Player: approx. 137 

×

 202 

×

 212 mm (w/h/d)

(5 

1/2

 

×

 8 

×

 8 

3/8

 inches)

Left speaker: approx. 137 

×

 202 

×

 212 mm

(w/h/d) (5 

1/2

 

×

 8 

×

 8 

3/8

 inches)

Right speaker: approx. 137 

×

 202 

×

 180 mm

(w/h/d) (5 

1/2

 

×

 8 

×

 7 

1/8

 inches)

Mass

Player: approx. 1.8 kg (3 lb. 15 oz.)
Left speaker: approx. 3 kg (6 lb. 10 oz.)
Right speaker: approx. 1.5 kg (3 lb. 5 oz.)

Supplied accessories

Remote control (1) (RMT-CDR45A)
FM lead antenna (1)
AM loop antenna (1)
Audio connecting cord (1)

Design and specifications are subject to change without
notice.

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

Playing a CD ........................................................................... 4
Listening to the radio ............................................................... 4
Playing a tape .......................................................................... 5
Recording on a tape ................................................................. 5
Setting the clock ...................................................................... 6

3-1.   Cabinet (Front) Assy ........................................................... 7
3-2.   Cabinet (Rear) ..................................................................... 8
3-3.   Front Board ......................................................................... 8
3-4.   Control Board ...................................................................... 9
3-5.   Line Board ........................................................................... 9
3-6.   Tuner Board ....................................................................... 10
3-7.   Holder, Cassette ................................................................ 10
3-8.   Top Block Assy ................................................................. 11
3-9.   CD Assy, H/P Board .......................................................... 11
3-10. Main Board ....................................................................... 12
3-11. Tape Mechanism Block ..................................................... 12
3-12. Top Board .......................................................................... 13
3-13. “Plate Assy, Chuck”, Tray ................................................. 13
3-14. Loading Board ................................................................... 14
3-15. CD Board .......................................................................... 14
3-16. CD Mechanism Block ....................................................... 15
3-17. Power Board ...................................................................... 15

............................... 16

5-1.   Tape Section ...................................................................... 16
5-2.   Tuner Section .................................................................... 18
5-3.   CD Section ........................................................................ 20

6-1.   IC Pin Descriptions ........................................................... 21
6-2.   Circuit Boards Location .................................................... 23
6-3.   Block Diagram –Tuner Section– ....................................... 25
6-4.   Block Diagram –CD Section– ........................................... 27
6-5.   Block Diagram –Tape Section– ........................................ 29
6-6.   Block Diagram –System Control, Power Section– ........... 31
6-7.   Printed Wiring Board –Tuner Section– ............................. 33
6-8.   Schematic Diagram –Tuner Section– ................................ 35
6-9.   Printed Wiring Boards –CD Section– ............................... 37
6-10. Schematic Diagram –CD Section– .................................... 39
6-11. Printed Wiring Board –TC Section– ................................. 41
6-12. Schematic Diagram –TC Section– .................................... 43
6-13. Printed Wiring Board –Main Section– .............................. 45
6-14. Schematic Diagram –Main Section– ................................. 47
6-15. Printed Wiring Board –Control Section– .......................... 49
6-16. Schematic Diagram –Control Section– ............................. 53
6-17. Printed Wiring Board –Front Section– .............................. 55
6-18. Schematic Diagram –Front Section– ................................ 56
6-19. Printed Wiring Board –Top Section– ................................ 57
6-20. Schematic Diagram –Top Section– ................................... 58
6-21. Printed Wiring Board –Line Section– ............................... 59
6-22. Schematic Diagram –Line Section– .................................. 59
6-23. Printed Wiring Boards –Power Section– ........................... 61
6-24. Schematic Diagram –Power Section– ............................... 63
6-25. IC Block Diagrams ............................................................ 65

7-1.   Cabinet Section ................................................................. 69
7-2.   Cabinet (Top) Section ....................................................... 70
7-3.   CD Chassis Section ........................................................... 71
7-4.   Mechanism Deck Section (1) ............................................ 72
7-5.   Mechanism Deck Section (2) ............................................ 73
7-6.   Optical Pick-up Section .................................................... 74
7-7.   Speaker (L) Section ........................................................... 75
7-8.   Speaker (R) Section ........................................................... 76

......................................... 77