DV-656A-S
4
1234
123
4
C
D
F
A
B
E
CONTENTS
SAFTY INFORMATION ....................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
2.4 LOADING MECHA ASSY ........................................................................................................................ 12
2.5 TRAVERSE MECHANISM ASSY-S ......................................................................................................... 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................16
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.2 LOAB ASSY and OVERALL WIRING DIAGRAM..................................................................................... 20
3.3 DVDM ASSY 1/4 [FTS BLOCK] ............................................................................................................... 22
3.4 DVDM ASSY 2/4 [FR BLOCK] ................................................................................................................. 24
3.5 DVDM ASSY 3/4 [EBY/AV1 BLOCK] ....................................................................................................... 26
3.6 DVDM ASSY 4/4 [VENC BLOCK] ............................................................................................................ 28
3.7 JACB ASSY 1/2 [AUDIO BLOCK] ............................................................................................................ 30
3.8 JACB ASSY 2/2 [VIDEO BLOCK] ............................................................................................................ 32
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
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
6.1 ADJUSTMENT ITEMS AND LOCATION ................................................................................................. 59
6.2 JIGS AND MEASURING INSTRUMENTS ............................................................................................... 59
6.3 NECESSARY ADJUSTMENT POINTS ................................................................................................... 60
6.4 TEST MODE ............................................................................................................................................ 61
6.5 MECHANISM ADJUSTMENT .................................................................................................................. 62
7. GENERAL INFORMATION ............................................................................................................................. 65
7.1 DIAGNOSIS ............................................................................................................................................. 65
7.1.1 ID NUMBER AND ID DATA SETTTING ................................................................................................ 65
7.1.2 SELF-DIAGNOSIS FUNCTION OF PICKUP DEFECTIVE................................................................... 67
7.1.3 TEST MODE SCREEN DISPLAY ......................................................................................................... 68
7.1.4 SELF-DIAGNOSIS FUNCTION ............................................................................................................ 70
7.1.5 FUNCTION SPECIFICATION OF THE SERVICE MODE ..................................................................... 71
7.1.6 ERROR DISPLAY ................................................................................................................................. 72
7.1.7 TEST POINTS LOCATION & WAVEFORMS ........................................................................................ 75
7.1.8 TROUBLE SHOOTING ......................................................................................................................... 77
7.1.9 DISASSEMBLY ..................................................................................................................................... 79
7.2 IC ............................................................................................................................................................. 85
7.3 DISC / CONTENT FORMAT PLAYBACK COMPATIBILITY ................................................................... 119
7.4 CLEANING............................................................................................................................................. 120
8. PANEL FACILITIES ...................................................................................................................................... 121
