MDX-C800REC (serv.man2) - Sony Car Audio Service Manual (repair manual). Page 3

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Location of controls ................................................................. 4
Getting Started ......................................................................... 4
Setting the clock ...................................................................... 4
MD player CD/MD unit .......................................................... 5
Recording on an MD ............................................................... 6
Editing an MD ......................................................................... 8
Radio ....................................................................................... 9
Other Functions ..................................................................... 10
TV/Video ............................................................................... 11
Connections ........................................................................... 13

2-1.   Sub Panel Assy .................................................................. 16
2-2.   MD Mechanism Block ...................................................... 16
2-3.   Main Board, Digital Board ................................................ 17
2-4.   Heat Sink (REC) ............................................................... 17
2-5.   MD Mechanism ................................................................. 18
2-6.   Computer Board ................................................................ 18
2-7.   Servo Board ....................................................................... 19
2-8.   Tension Spring (B) ............................................................ 19
2-9.   Chassis (L), (R) Assy ........................................................ 20
2-10. Loading Motor Assy .......................................................... 20
2-11. Sled Motor Assy ................................................................ 21
2-12. Sensor Board ..................................................................... 21
2-13. Spindle Motor Assy ........................................................... 22
2-14. Over Write Head ............................................................... 22
2-15. Optical Pick-up ................................................................. 23

3-1.   IC Pin Descriptions ........................................................... 24
3-2.   Block Diagram –MD Section– .......................................... 30
3-3.   Block Diagram –Tuner Section– ....................................... 31
3-4.   Block Diagram –Display Section– .................................... 32
3-5.   Circuit Boards Location .................................................... 33
3-6.   Printed Wiring Board –Servo Section– ............................. 34
3-7.   Schematic Diagram –Servo Section (1/3)– ....................... 36
3-8.   Schematic Diagram –Servo Section (2/3)– ....................... 37
3-9.   Schematic Diagram –Servo Section (3/3)– ....................... 38
3-10. Printed Wiring Board –Sensor Section– ........................... 39
3-11. Schematic Diagram –Sensor Section– .............................. 39
3-12. Printed Wiring Board –Computer Section– ...................... 40
3-13. Schematic Diagram –Computer Section– ......................... 41
3-14. Printed Wiring Boards –Main Section– ............................ 42
3-15. Schematic Diagram –Main Section (1/4)– ........................ 44
3-16. Schematic Diagram –Main Section (2/4)– ........................ 45
3-17. Schematic Diagram –Main Section (3/4)– ........................ 46
3-18. Schematic Diagram –Main Section (4/4)– ........................ 47
3-19. Printed Wiring Board –Relay Section– ............................. 48
3-20. Schematic Diagram –Relay Section– ................................ 49
3-21. Printed Wiring Board –Key Section– ................................ 50
3-22. Schematic Diagram –Key Section– ................................... 51

4-1.   Sub Panel Section .............................................................. 57
4-2.   Front Panel Section ........................................................... 58
4-3.   Chassis Section ................................................................. 59
4-4.   MD Mechanism Section (1) .............................................. 60
4-5.   MD Mechanism Section (2) .............................................. 61
4-6.   MD Mechanism Section (3) .............................................. 62

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