3
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-2037ZF/X1R/UC
CONTENTS
SAFETY INFORMATION ......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................6
2.1 EXTERIOR ........................................................................................................................................................................6
2.2 CD MECHANISM MODULE ............................................................................................................................................8
2.3 CASSETTE MECHANISM MODULE.............................................................................................................................10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.............................................................................................................12
3.1 BLOCK DIAGRAM .........................................................................................................................................................12
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ...................................................................................................14
3.3 KEYBOARD UNIT ..........................................................................................................................................................20
3.4 CD MECHANISM MODULE(GUIDE PAGE)..................................................................................................................22
3.5 CASSETTE MECHANISM MODULE.............................................................................................................................30
4. PCB CONNECTION DIAGRAM..........................................................................................................................................32
4.1 MOTHER UNIT ..............................................................................................................................................................32
4.2 KEYBOARD UNIT ..........................................................................................................................................................36
4.3 CD MECHANISM MODULE ..........................................................................................................................................38
4.4 CASSETTE MECHANISM MODULE.............................................................................................................................40
5. ELECTRICAL PARTS LIST..................................................................................................................................................42
6. ADJUSTMENT ...................................................................................................................................................................49
6.1 DOLBY B NR ADJUSTMENT........................................................................................................................................49
6.2 CD ADJUSTMENT ........................................................................................................................................................50
6.3 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT...........................................................................52
6.4 CD TEST MODE.............................................................................................................................................................54
7. GENERAL INFORMATION.................................................................................................................................................58
7.1 DIAGNOSIS ...................................................................................................................................................................58
7.1.1 DISASSEMBLY .......................................................................................................................................................58
7.1.2 CONNECTOR FUNCTION DESCRIPTION .............................................................................................................63
7.2 PARTS ............................................................................................................................................................................64
7.2.1 IC .............................................................................................................................................................................64
7.2.2 DISPLAY ..................................................................................................................................................................72
7.3 OPERATIONAL FLOW CHART ......................................................................................................................................73
7.4 CLEANING .....................................................................................................................................................................74
8. OPERATIONS .....................................................................................................................................................................75