3
5
6
7
8
F
E
D
C
B
A
5
6
7
8
GE-2037ZF/XU/UC
CONTENTS
SAFETY INFORMATION......................................................................................................................................................2
1. SPECIFICATIONS .................................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST ................................................................................................................................5
2.1 PACKING..........................................................................................................................................................................5
2.2 EXTERIOR........................................................................................................................................................................6
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM...............................................................................................................8
3.1 BLOCK DIAGRAM ...........................................................................................................................................................8
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ...................................................................................................10
3.3 KEYBOARD UNIT ..........................................................................................................................................................16
4. PCB CONNECTION DIAGRAM..........................................................................................................................................18
4.1 TUNER AMP UNIT ........................................................................................................................................................18
4.2 KEYBOARD UNIT ..........................................................................................................................................................22
5. ELECTRICAL PARTS LIST..................................................................................................................................................24
6. ADJUSTMENT ...................................................................................................................................................................27
6.1 FREQUENCY CHECK FOR CLOCK ...............................................................................................................................27
7. GENERAL INFORMATION.................................................................................................................................................28
7.1 DIAGNOSIS ...................................................................................................................................................................28
7.1.1 DISASSEMBLY .......................................................................................................................................................28
7.1.2 CONNECTOR FUNCTION DESCRIPTION .............................................................................................................30
7.2 PARTS ............................................................................................................................................................................31
7.2.1 IC .............................................................................................................................................................................31
7.2.2 DISPLAY..................................................................................................................................................................34
7.3 OPERATIONAL FLOW CHART......................................................................................................................................35
8. OPERATIONS .....................................................................................................................................................................36