4
1
23
4
12
3
4
C
D
F
A
B
E
XV-DV820, XV-DV620
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 SECTION ................................................................................................................................... 10
2.4 LOADING MECANISM ASSY ................................................................................................................. 12
2.5 TRAVERSE MECHANISM ASSY ........................................................................................................... 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ........................................................................................ 16
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.2 LOAB ASSY and OVERALL WIRING DIAGRAM ................................................................................... 18
3.3 DVDM ASSY 1/2 ..................................................................................................................................... 20
3.4 DVDM ASSY 2/2 ..................................................................................................................................... 22
3.5 DVD IF ASSY .......................................................................................................................................... 24
3.6 DSP ASSY ............................................................................................................................................... 26
3.7 FM/AM TUNER MODULE ....................................................................................................................... 28
3.8 AMP ASSY .............................................................................................................................................. 30
3.9 CONTROL ASSY 1/3, TRADE2 and TRADE3 ASSYS .......................................................................... 32
3.10 CONTROL ASSY 2/3 for XV-DV820 ..................................................................................................... 34
3.11 CONTROL ASSY 2/3 for XV-DV620 ..................................................................................................... 36
3.12 CONTROL ASSY 3/3 ............................................................................................................................ 38
3.13 POWER ASSY 1/2 ................................................................................................................................ 40
3.14 POWER ASSY 2/2 and TRADE1 ASSY ............................................................................................... 42
3.15 DISPLAY and HP ASSYS ..................................................................................................................... 44
3.16 WAVEFORMS ....................................................................................................................................... 46
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 47
4.1 LOAB ASSY ............................................................................................................................................ 47
4.2 DVDM ASSY ........................................................................................................................................... 48
4.3 DVD IF ASSY .......................................................................................................................................... 52
4.4 DSP ASSY ............................................................................................................................................... 54
4.5 FM/AM TUNER MODULE ....................................................................................................................... 56
4.6 DISPLAY and HP ASSYS ....................................................................................................................... 57
4.7 AMP ASSY .............................................................................................................................................. 58
4.8 CONTROL, TRADE2 and TRADE3 ASSYS ........................................................................................... 60
4.9 POWER and TRADE1 ASSYS ............................................................................................................... 64
5. PCB PARTS LIST .......................................................................................................................................... 68
6. ADJUSTMENT ............................................................................................................................................... 75
7. GENERAL INFORMATION ............................................................................................................................ 81
7.1 DIAGNOSIS ............................................................................................................................................. 81
7.1.1 TEST MODE .................................................................................................................................... 81
7.1.2 DISPLAY OF THE MECHANISM ERROR HISTORY ..................................................................... 87
7.1.3 TROUBLE SHOOTING .................................................................................................................... 90
7.1.4 SEQUENCE AFTER POWER ON ...................................................................................................92
7.1.5 PROTECTION CIRCUIT .................................................................................................................. 95
7.1.6 DISASSEMBLY ................................................................................................................................ 97
7.2 IC ........................................................................................................................................................... 102
7.3 CLEANING ............................................................................................................................................ 121
8. PANEL FACILITIES ..................................................................................................................................... 122