CDX-MP70 - Sony Car Audio Service Manual (repair manual). Page 3

3

Location of Controls (US, Canadian Model) .......................... 4
Location of Controls (AEP, UK Model) .................................. 4
Connections (US, Canadian Model) ........................................ 5
Connections (AEP, UK Model) ............................................... 6

2-1.   Base Panel Assy .................................................................. 7
2-2.   Cover (Panel) ....................................................................... 8
2-3.   CD Mechanism Block ......................................................... 8
2-4.   Cam Block Assy, Motor Block Assy ................................... 9
2-5.   Main Board ......................................................................... 9
2-6.   Heat Sink ........................................................................... 10
2-7.   Mechanism Block (M) Assy .............................................. 10
2-8.   Tray (UM) Assy ................................................................ 11
2-9.   MD Assy ........................................................................... 11
2-10. Servo Board ....................................................................... 12
2-11. Optical Pick-up Block ....................................................... 12

3-1.   Gear (Cam L) .................................................................... 13
3-2.   Gear (Cam R) .................................................................... 13

4-1.   IC Pin Descriptions ........................................................... 14
4-2.   Block Diagram –CD Section– ........................................... 22
4-3.   Block Diagram –Audio, Display Section– ........................ 23
4-4.   Block Diagram –Bus Control, Power Section– ................. 24
4-5.   Circuit Boards Location .................................................... 25
4-6.   Printed Wiring Board –CD Mechanism Section– ............. 26
4-7.   Schematic Diagram –CD Mechanism Section (1/2)– ....... 28
4-8.   Schematic Diagram –CD Mechanism Section (2/2)– ....... 29
4-9.   Printed Wiring Boards –Main Section– ............................ 30
4-10. Schematic Diagram –Main Section (1/3)– ........................ 32
4-11. Schematic Diagram –Main Section (2/3)– ........................ 33
4-12. Schematic Diagram –Main Section (3/3)– ........................ 34
4-13. Schematic Diagram –Display Section– ............................. 35
4-14. Printed Wiring Board –Display Section– .......................... 36

5-1.   Chassis Section ................................................................. 44
5-2.   Cam Section ...................................................................... 45
5-3.   Main Board Section .......................................................... 46
5-4.   Front panel Assy Section ................................................... 47
5-5.   CD Mechanism Section (1) ............................................... 48
5-6.   CD Mechanism Section (2) ............................................... 49
5-7.   CD Mechanism Deck Section ........................................... 50

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This unit can play the following discs:

Type of discs

Label on the disc

Audio CD

MP3 files

•

Some CD-Rs/CD-RWs (depending on the equipment used for
its recording or the condition of the disc) may not play on this
unit.

•

You cannot play a CD-R/CD-RW that is not finalized

∗

.

•

You can play MP3 files recorded on CD-ROMs, CD-Rs, and
CD-RWs.

•

A CD-R/CD-RW to which a session can be added can be played.

∗

A process necessary for a recorded CD-R/CD-RW disc to be
played on the audio CD player.

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.

stand