1
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
A
2.1 PACKING ................................................................................................................................................... 8
2.2 EXTERIOR............................................................................................................................................... 10
2.3 CD MECHANISM MODULE..................................................................................................................... 14
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.3 KEYBOARD UNIT.................................................................................................................................... 24
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36
4.1 TUNER AMP UNIT................................................................................................................................... 36
4.2 KEYBOARD UNIT.................................................................................................................................... 40
4.3 CD CORE UNIT(S10.1) ........................................................................................................................... 42
B
5. ELECTRICAL PARTS LIST ............................................................................................................................ 44
6. ADJUSTMENT ............................................................................................................................................... 48
6.1 CD ADJUSTMENT................................................................................................................................... 48
6.3 ERROR MODE ........................................................................................................................................ 52
7. GENERAL INFORMATION ............................................................................................................................. 54
7.1 DIAGNOSIS ............................................................................................................................................. 54
7.1.1 DISASSEMBLY ..................................................................................................................................... 54
7.2 PARTS...................................................................................................................................................... 58
C
7.2.1 IC .......................................................................................................................................................... 58
7.2.2 DISPLAY ............................................................................................................................................... 66
7.3 OPERATIONAL FLOW CHART ............................................................................................................... 67
7.4 CLEANING............................................................................................................................................... 68
8. OPERATIONS ................................................................................................................................................ 69
D
E
F
4
1
2
DEH-3750MP/XU/GS
2
3
3
4
4