4
1
2
3
4
1
2
3
4
C
D
F
A
B
E
DV-454-K
1. SPECIFICATIONS .................................................................................................................................................5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................... 6
2.1 PACKING ........................................................................................................................................................6
2.2 EXTERIOR SECTION ..................................................................................................................................... 8
2.3 LOADING MECHANISM ASSY ................................................................................................................... 10
2.4 TRAVERSE MECHANISM ASSY-S ............................................................................................................ 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ............................................................................................ 16
3.1 BLOCK DIAGRAM ....................................................................................................................................... 16
3.1.1 SIGNAL ROUTE ........................................................................................................................................ 16
3.1.2 POWER SUPPLY BLOCK ........................................................................................................................ 18
3.1.3 WAVEFORMS ........................................................................................................................................... 19
3.2 LOAB ASSY and OVERALL WIRING DIAGRAM ........................................................................................ 20
3.3 FJMB ASSY 1/5 [FRONT END BLOCK] ...................................................................................................... 22
3.4 FJMB ASSY 2/5 [BACK END BLOCK] ........................................................................................................ 24
3.5 FJMB ASSY 3/5 [AUDIO BLOCK] ............................................................................................................... 26
3.6 FJMB ASSY 4/5 [VIDEO BLOCK] ................................................................................................................ 28
3.7 FJMB ASSY 5/5 [FL CONTROL BLOCK] .................................................................................................... 30
3.8 IRKY and PSWB ASSYS ............................................................................................................................. 32
3.9 POWER SUPPLY UNIT (VWR1352) ........................................................................................................... 34
3.10 POWER SUPPLY UNIT (VWR1354) ......................................................................................................... 35
3.11 SCRB ASSY ............................................................................................................................................... 36
4. PCB CONNECTION DIAGRAM ......................................................................................................................... 39
4.1 LOAB ASSY ................................................................................................................................................. 39
4.2 FJMB ASSY .................................................................................................................................................. 40
4.3 IRKY and PSWB ASSYS ............................................................................................................................. 44
4.4 POWER SUPPLY UNIT (VWR1352) ........................................................................................................... 45
4.5 POWER SUPPLY UNIT (VWR1354) ........................................................................................................... 46
4.6 SCRB ASSY ................................................................................................................................................. 47
5. PCB PARTS LIST ............................................................................................................................................... 48
6. ADJUSTMENT .................................................................................................................................................... 51
6.1 ADJUSTMENT ITEMS AND LOCATION ..................................................................................................... 51
6.2 JIGS AND MEASURING INSTRUMENTS ................................................................................................... 51
6.3 NECESSARY ADJUSTMENT POINTS ....................................................................................................... 52
6.4 TEST MODE ................................................................................................................................................. 53
6.5 MECHANISM ADJUSTMENT ...................................................................................................................... 54
7. GENERAL INFORMATION ................................................................................................................................ 57
7.1 DIAGNOSIS .................................................................................................................................................. 57
7.1.1 TEST MODE .............................................................................................................................................. 57
7.1.2 DISPLAY OF THE MECHANISM ERROR HISTORY .............................................................................. 63
7.1.3 TEST POINTS LOCATION & WAVEFORMS ........................................................................................... 66
7.1.4 TROUBLE SHOOTING ............................................................................................................................. 71
7.1.5 SEQUENCE AFTER THE POWER ON .................................................................................................... 73
7.1.6 DISASSEMBLY ......................................................................................................................................... 74
7.2 IC .................................................................................................................................................................. 79
7.3 CLEANING ................................................................................................................................................... 97
8. PANEL FACILITIES ............................................................................................................................................ 98
CONTENTS
Summary of Contents for DV-454-K
Page 13: ...13 5 6 7 8 5 6 7 8 C D F A B E DV 454 K ...
Page 31: ...31 5 6 7 8 5 6 7 8 C D F A B E DV 454 K B 5 5 454 454 454 CN601 A 2 5 B ...
Page 36: ...36 1 2 3 4 1 2 3 4 C D F A B E DV 454 K G CN901 B3 5 SCRB ASSY VWV1903 G 10 3 11 SCRB ASSY ...
Page 38: ...38 1 2 3 4 1 2 3 4 C D F A B E DV 454 K ...
Page 68: ...68 1 2 3 4 1 2 3 4 C D F A B E DV 454 K SIDE B 1 2 13 CN401 CN1001 CN951 15 IC6 V 1 W FCS_RTN ...