3
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P750MP/XN/UC
CONTENTS
SAFETY INFORMATION ......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................6
2.1 PACKING..........................................................................................................................................................................6
2.2 EXTERIOR(DEH-P750MP/XN/UC,DEH-P7500MP/XN/UC).............................................................................................8
2.3 EXTERIOR(DEH-P7550MP/XN/ES) ...............................................................................................................................12
2.4 CD MECHANISM MODULE ..........................................................................................................................................14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.............................................................................................................16
3.1 BLOCK DIAGRAM .........................................................................................................................................................16
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ...................................................................................................18
3.3 KEYBOARD UNIT ..........................................................................................................................................................24
3.4 CD MECHANISM MODULE(GUIDE PAGE)..................................................................................................................26
4. PCB CONNECTION DIAGRAM..........................................................................................................................................36
4.1 TUNER AMP UNIT ........................................................................................................................................................36
4.2 KEYBOARD UNIT ..........................................................................................................................................................40
4.3 PANEL UNIT ..................................................................................................................................................................41
4.4 CD MECHANISM MODULE ..........................................................................................................................................42
5. ELECTRICAL PARTS LIST..................................................................................................................................................44
6. ADJUSTMENT ...................................................................................................................................................................56
6.1 JIG CONNECTION DIAGRAM ......................................................................................................................................56
6.2 OEL UNIT ADJUSTMENT.............................................................................................................................................57
6.3 SYSTEM MICROCOMPUTER TEST PROGRAM..........................................................................................................58
6.4 CD ADJUSTMENT ........................................................................................................................................................58
6.5 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT...........................................................................60
6.6 ERROR MODE ...............................................................................................................................................................62
6.7 OEL SCREENSAVER STUDIO IKA TO LKD APPLICATION : GGV1131 ......................................................................63
7. GENERAL INFORMATION.................................................................................................................................................64
7.1 DIAGNOSIS ...................................................................................................................................................................64
7.1.1 DISASSEMBLY .......................................................................................................................................................64
7.1.2 CONNECTOR FUNCTION DESCRIPTION .............................................................................................................67
7.2 IC ....................................................................................................................................................................................68
7.3 OPERATIONAL FLOW CHART ......................................................................................................................................81
7.4 CLEANING .....................................................................................................................................................................82
8. OPERATIONS .....................................................................................................................................................................83