DV-676A-S
4
12
34
12
3
4
C
D
F
A
B
E
CONTENTS
SAFETY 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 04 LOADER ASSY................................................................................................................................... 12
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................14
3.1 BLOCK DIAGRAM ................................................................................................................................... 14
3.1.1 SIGNAL ROUTE BLOCK DIAGRAM ................................................................................................. 14
3.1.2 POWER SUPPLY BLOCK DIAGRAM................................................................................................16
3.2 WAVEFORMS .......................................................................................................................................... 18
3.3 LOAB ASSY and OVERALL WIRING DIAGRAM..................................................................................... 20
3.4 DVDM ASSY (1/3).................................................................................................................................... 22
3.5 DVDM ASSY (2/3).................................................................................................................................... 24
3.6 DVDM ASSY (3/3).................................................................................................................................... 26
3.7 JCKB ASSY ............................................................................................................................................. 28
3.8 FLKY and PWSB ASSYS ........................................................................................................................ 30
3.9 POWER SUPPLY UNIT............................................................................................................................ 32
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 33
4.1 LOAB ASSY ............................................................................................................................................. 33
4.2 DVDM ASSY ............................................................................................................................................ 34
4.3 FLKY and PWSB ASSYS ........................................................................................................................ 38
4.4 POWER SUPPLY UNIT............................................................................................................................ 40
4.5 JCKB ASSY ............................................................................................................................................. 42
5. PCB PARTS LIST ........................................................................................................................................... 43
6. ADJUSTMENT ............................................................................................................................................... 46
6.1 ADJUSTMENT ITEMS AND LOCATION ................................................................................................. 46
6.2 JIGS AND MEASURING INSTRUMENTS ............................................................................................... 46
6.3 NECESSARY ADJUSTMENT POINTS ................................................................................................... 47
6.4 TEST MODE ............................................................................................................................................ 48
6.5 MECHANISM ADJUSTMENT .................................................................................................................. 49
7. GENERAL INFORMATION ............................................................................................................................. 51
7.1 DIAGNOSIS ............................................................................................................................................. 51
7.1.1 TEST MODE ...................................................................................................................................... 51
7.1.2 DISPLAY SPECIFICATION OF THE TEST MODE ............................................................................ 52
7.1.3 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY ............................................................ 53
7.1.4 SPECIFICATION OF MODEL INFORMATION DISPLAY .................................................................. 54
7.1.5 FUNCTIONAL SPECIFICATION OF THE SERVICE MODE ............................................................. 55
7.1.6 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ASSY .................. 56
7.1.7 TROUBLE SHOOTING ...................................................................................................................... 57
7.1.8 ID NUMBER AND ID DATA SETTING ............................................................................................... 60
7.1.9 SEQUENCE AFTER POWER ON ..................................................................................................... 63
7.1.10 DISASSEMBLY................................................................................................................................ 64
7.2 IC ............................................................................................................................................................. 72
7.3 DISC / CONTENT FORMAT PLAYBACK COMPATIBILITY ..................................................................... 83
7.4 CLEANING............................................................................................................................................... 85
8. PANEL FACILITIES ........................................................................................................................................ 86