CDX-M700R, CDX-M750 - Sony Car Audio Service Manual (repair manual). Page 3

3

Location of controls ................................................................. 4
Getting Started ......................................................................... 5
Setting the clock ...................................................................... 5
CD Player CD/MD Unit .......................................................... 6
Radio ....................................................................................... 7
RDS ......................................................................................... 9
DAB ....................................................................................... 10
DSP ........................................................................................ 11
Other Functions ..................................................................... 12
TV/Video ............................................................................... 14
Connections ........................................................................... 15

2-1.   Front Panel Assy (Normal) ................................................ 22
2-2.   Front Panel Assy (Inoperative) .......................................... 22
2-3.   CD Mechanism Block, Flexible Board ............................. 23
2-4.   Sub Panel (CD) Sub Assy ................................................. 23
2-5.   Motor Block Assy, Cam (R) Assy ..................................... 24
2-6.   Main Board ....................................................................... 24
2-7.   Heat Sink ........................................................................... 25
2-8.   Chassis (T) Sub Assy ........................................................ 25
2-9.   Lever Section ..................................................................... 26
2-10. Servo Board ....................................................................... 26
2-11. Shaft Roller Assy .............................................................. 27
2-12. Floating Block Assy .......................................................... 27
2-13. Optical Pick-up Block ....................................................... 28

3-1.   Arm (A-L) Assy, Arm (B-L) Assy ..................................... 29
3-2.   Cam (L) ............................................................................. 29
3-3.   Motor Block ...................................................................... 30
3-4.   Alignment between Arm (A-L) Assy

    and Arm (B-L) Assy .......................................................... 30

3-5.   Arm (A-R) Assy, Arm (B-R) Assy .................................... 31
3-6.   Cam (R) ............................................................................. 31

4-1.   IC Pin Descriptions ........................................................... 32
4-2.   Block Diagram –CD Section– ........................................... 42
4-3.   Block Diagram –Tuner Section– ....................................... 43
4-4.   Block Diagram –Display Section– .................................... 44
4-5.   Circuit Boards Location .................................................... 45
4-6.   Printed Wiring Boards –CD Mechanism Section– ............ 46
4-7.   Schematic Diagram –CD Mechanism Section (1/2)– ....... 48
4-8.   Schematic Diagram –CD Mechanism Section (2/2)– ....... 49
4-9.   Printed Wiring Boards –Main Section– ............................ 50
4-10. Schematic Diagram –Main Section (1/4)– ........................ 52
4-11. Schematic Diagram –Main Section (2/4)– ........................ 53
4-12. Schematic Diagram –Main Section (3/4)– ........................ 54
4-13. Schematic Diagram –Main Section (4/4)– ........................ 55
4-14. Printed Wiring Board –Sub Section– ................................ 56
4-15. Schematic Diagram –Sub Section– ................................... 57
4-16. Printed Wiring Board –Display Section– .......................... 58
4-17. Schematic Diagram –Display Section– ............................. 59

5-1.   Chassis Section ................................................................. 62
5-2.   Front Panel Section ........................................................... 63
5-3.   CD Mechanism Section (1) ............................................... 64
5-4.   CD Mechanism Section (2) ............................................... 65
5-5.   CD Mechanism Section (3) ............................................... 66

........................................ 67

NOTE FOR THE OPENING OF THE FRONT PANEL
In this set, the front panel is lowered to below the bottom face when
it is opened.
When servicing the set, place it on a stand having a height of about
2 cm.

MODEL IDENTIFICATION
CDX-M700R have 3 type models.

Part No.

Model

3-046-061-0s

TYPE1

3-046-062-0s

TYPE2

3-047-828-0s

TYPE3

– MODEL NUMBER LABEL –

FM/MW/LW COMPACT DISC PLAYER

Part No.

MODEL No. CDX-M700R

EXTENSION CABLE:
When repairing or servicing this set, connect between CNP701 on
the MAIN board and CN1 on the SERVO board with the extension
cable (part number: J-2502-011-1).