KEX-M8547ZT/EW
4
1
2
3
4
1
2
3
4
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 3
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 EXTERIOR................................................................................................................................................. 6
2.2 CASSETTE MECHANISM MODULE......................................................................................................... 8
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 10
3.1 BLOCK DIAGRAM ................................................................................................................................... 10
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE).............................................................................. 12
3.3 KEYBOARD UNIT.................................................................................................................................... 18
3.4 CASSETTE MECHANISM MODULE....................................................................................................... 20
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 22
4.1 MAIN UNIT............................................................................................................................................... 22
4.2 KEYBOARD UNIT(KEX-M8547ZT/EW)................................................................................................... 26
4.3 KEYBOARD UNIT(KEX-M8647ZT/EW)................................................................................................... 27
4.4 CASSETTE MECHANISM MODULE....................................................................................................... 28
5. ELECTRICAL PARTS LIST ............................................................................................................................ 30
6. ADJUSTMENT ............................................................................................................................................... 38
6.1 JIG CONNECTION DIAGRAM................................................................................................................. 38
6.2 CASSETTE AND AUDIO ADJUSTMENT ................................................................................................ 39
6.3 SELF-DIAGNOSIS FUNCTION ............................................................................................................... 41
7. GENERAL INFORMATION ............................................................................................................................. 45
7.1 DIAGNOSIS ............................................................................................................................................. 45
7.1.1 DISASSEMBLY ..................................................................................................................................... 45
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......................................................................................... 46
7.1.3 TROUBLE-SHOOTING ......................................................................................................................... 47
7.2 IC ............................................................................................................................................................. 48
7.3 EXPLANATION ........................................................................................................................................ 51
7.3.1 SYSTEM BLOCK DIAGRAM ................................................................................................................ 51
7.3.2 OPERATIONAL FLOW CHART ............................................................................................................ 52
7.4 CLEANING............................................................................................................................................... 53
8. OPERATIONS ................................................................................................................................................ 54