3
DV-2022
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A
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F
CONTENTS
SAFETY INFORMATION ......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS.................................................................................................................................................... 4
2. SPECIFICATIONS................................................................................................................................................................. 7
2.1 SPECIFICATIONS .......................................................................................................................................................... 7
2.2 DISC/CONTENT FORMAT ............................................................................................................................................. 8
3. BASIC ITEMS FOR SERVICE ............................................................................................................................................ 10
3.1 CHECK POINTS AFTER SERVICING ......................................................................................................................... 10
3.2 PCB LOCATIONS ......................................................................................................................................................... 11
3.3 JIGS LIST ..................................................................................................................................................................... 11
4. BLOCK DIAGRAM .............................................................................................................................................................. 12
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 12
4.2 OVERALL BLOCK DIAGRAM ...................................................................................................................................... 14
4.3 DVD LOADER/MPEG BLOCK DIAGRAM.................................................................................................................... 15
4.4 POWER BLOCK DIAGRAM ......................................................................................................................................... 16
5. DIAGNOSIS ........................................................................................................................................................................ 17
5.1 TROUBLESHOOTING.................................................................................................................................................. 17
5.2 SEQUENCE AFTER POWER ON................................................................................................................................ 20
5.3 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ASSY............................................. 22
6. SERVICE MODE ................................................................................................................................................................. 23
6.1 SERVICE MODE PROCEDURE .................................................................................................................................. 23
6.2 SERVICE MODE IN...................................................................................................................................................... 24
6.3 DISPLAY SPECIFICATION OF THE SERVICE MODE................................................................................................ 25
6.4 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY ....................................................................................... 26
6.5 FUNCTIONAL SPECIFICATION OF THE SERVICE MODE........................................................................................ 27
7. DISASSEMBLY ................................................................................................................................................................... 28
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 32
8.1 RE-WRITE FOR DVD FIRMWARE .............................................................................................................................. 32
9. EXPLODED VIEWS AND PARTS LIST .............................................................................................................................. 34
9.1 PACKING SECTION..................................................................................................................................................... 34
9.2 EXTERIOR SECTION .................................................................................................................................................. 36
9.3 DVD MECHA SECTION ............................................................................................................................................... 38
10. SCHEMATIC DIAGRAM.................................................................................................................................................... 40
10.1 DVD MT PCB ASSY (1/6)........................................................................................................................................... 40
10.2 DVD MT PCB ASSY (2/6)........................................................................................................................................... 42
10.3 DVD MT PCB ASSY (3/6)........................................................................................................................................... 44
10.4 DVD MT PCB ASSY (4/6)........................................................................................................................................... 46
10.5 DVD MT PCB ASSY (5/6)........................................................................................................................................... 48
10.6 DVD MT PCB ASSY (6/6)........................................................................................................................................... 50
10.7 OPERATION PCB ASSY ............................................................................................................................................ 52
10.8 REAR JACK PCB ASSY............................................................................................................................................. 54
10.9 POWER PCB ASSY ................................................................................................................................................... 56
10.10 WAVEFORMS........................................................................................................................................................... 58
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 60
11.1 DVD MT PCB ASSY ................................................................................................................................................... 60
11.2 OPERATION PCB, POWER PCB and LOADING MOTOR PCB ASSY ..................................................................... 62
11.3 REAR JACK PCB ASSY ............................................................................................................................................. 64
12. PCB PARTS LIST.............................................................................................................................................................. 65
