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CONTENTS
SAFTY INFORMATION ....................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
A
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
2.4 LOADING MECHA ASSY ........................................................................................................................ 12
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.4 DVDM ASSY 2/4 [FR BLOCK] ................................................................................................................. 24
B
3.9 SACDB ASSY .......................................................................................................................................... 34
3.10 FLKY and KEYB ASSYS ....................................................................................................................... 36
3.11 SCRB ASSY .......................................................................................................................................... 38
3.12 POWER SUPPLY UNIT.......................................................................................................................... 40
3.13 WAVEFORMS [DVDM ASSY] ................................................................................................................ 41
3.14 WAVEFORMS [JACB ASSY] ................................................................................................................. 42
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 43
4.1 LOAB ASSY ............................................................................................................................................. 43
4.2 DVDM ASSY ............................................................................................................................................ 44
C
4.3 JACB ASSY ............................................................................................................................................. 46
4.4 SACDB ASSY .......................................................................................................................................... 50
4.5 SCRB ASSY ............................................................................................................................................ 51
4.6 FLKY and KEYB ASSYS ......................................................................................................................... 52
4.7 POWER SUPPLY UNIT............................................................................................................................ 54
5. PCB PARTS LIST ........................................................................................................................................... 55
6. ADJUSTMENT ............................................................................................................................................... 59
6.4 TEST MODE ............................................................................................................................................ 61
6.5 MECHANISM ADJUSTMENT .................................................................................................................. 62
D
7. GENERAL INFORMATION ............................................................................................................................. 65
7.1 DIAGNOSIS ............................................................................................................................................. 65
7.1.6 ERROR DISPLAY ................................................................................................................................. 72
7.1.8 TROUBLE SHOOTING ......................................................................................................................... 77
7.1.9 DISASSEMBLY ..................................................................................................................................... 79
7.2 IC ............................................................................................................................................................. 85
E
7.4 CLEANING............................................................................................................................................. 120
8. PANEL FACILITIES ...................................................................................................................................... 121
F
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DV-656A-S
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