DV-48AV
5
5
7
8
5
6
7
8
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION......................................................................................................................................2
1. SERVICE PRECAUTIONS ................................................................................................................................6
1.1 NOTES ON SOLDERING ...........................................................................................................................6
1.2 WHEN REPLACING DVD DECK ................................................................................................................6
1.3 DISC REMOVAL METHOD ........................................................................................................................7
2. SPECIFICATIONS .............................................................................................................................................8
2.1 ACCESSORIES ..........................................................................................................................................8
2.2 SPECIFICATIONS ......................................................................................................................................9
2.3 DISC/CONTENT FORMAT .......................................................................................................................10
2.4 PANEL FACILITIES...................................................................................................................................12
3. BASIC ITEMS FOR SERVICE ........................................................................................................................15
3.1 CHECK POINTS AFTER SERVICING .....................................................................................................15
3.2 PCB LOCATIONS .....................................................................................................................................16
3.3 JIGS LIST .................................................................................................................................................17
4. BLOCK DIAGRAM ..........................................................................................................................................18
4.1 OVERALL WIRING CONNECTION DIAGRAM ........................................................................................18
4.2 OVERALL BLOCK DIAGRAM ..................................................................................................................20
4.3 DVD LOADER BLOCK DIAGRAM............................................................................................................21
4.4 POWER BLOCK DIAGRAM .....................................................................................................................22
5. DIAGNOSIS ....................................................................................................................................................23
5.1 TROUBLE SHOOTING .............................................................................................................................23
5.2 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ASSY .........................28
6. SERVICE MODE .............................................................................................................................................29
6.1 SERVICE MODE PROCEDURE ..............................................................................................................29
6.2 SERVICE MODE IN..................................................................................................................................30
6.3 DISPLAY SPECIFICATION OF THE SERVICE MODE ............................................................................31
6.4 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY ...................................................................32
6.5 FUNCTIONAL SPECIFICATION OF THE SERVICE MODE ....................................................................33
7. DISASSEMBLY ...............................................................................................................................................34
7.1 EXTERIOR SECTION ..............................................................................................................................34
7.2 DVD DECK SECTION ..............................................................................................................................36
8. EACH SETTING AND ADJUSTMENT ............................................................................................................40
8.1 ADJUSTMENT..........................................................................................................................................40
8.2 RE-WRITE FOR DVD FIRMWARE...........................................................................................................40
9. EXPLODED VIEWS AND PARTS LIST...........................................................................................................42
9.1 PACKING SECTION .................................................................................................................................42
9.2 EXTERIOR SECTION ..............................................................................................................................44
9.3 06 DVD MECHA SECTION ......................................................................................................................46
10. SCHEMATIC DIAGRAM ................................................................................................................................48
10.1 DVD MT PCB ASSY (1/7).......................................................................................................................48
10.2 DVD MT PCB ASSY(2/7)........................................................................................................................50
10.3 DVD MT PCB ASSY(3/7)........................................................................................................................52
10.4 DVD MT PCB ASSY(4/7)........................................................................................................................54
10.5 DVD MT PCB ASSY(5/7)........................................................................................................................56
10.6 DVD MT PCB ASSY(6/7)........................................................................................................................58
10.7 DVD MT PCB ASSY(7/7)........................................................................................................................60
10.8 OPERATION 1 and OPERATION 2 and OPERATION 3 PCB ASSYS ...................................................62
10.9 POWER PCB ASSY (1/2) .......................................................................................................................64
10.10 POWER PCB ASSY (2/2) .....................................................................................................................66
10.11 USB PCB ASSY ...................................................................................................................................68
10.12 WAVE FORMS......................................................................................................................................70
11. PCB CONNECTION DIAGRAM ....................................................................................................................72
11.1 DVD MT PCB ASSY ...............................................................................................................................73
11.2 OPERATION 1, OPERATION 2 and OPERATION 3 PCB ASSYS .........................................................75
11.3 POWER PCB ASSY ...............................................................................................................................76
11.4 USB PCB ASSY and LOADING MOTER and SW..................................................................................78
12. PCB PARTS LIST ..........................................................................................................................................79
www. xiaoyu163. com
QQ 376315150
9
9
8
9
4
2
9
8
TEL 13942296513
9
9
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
