4
DV-120-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 DISC/CONTENT FORMAT .............................................................................................................................................7
2.3 PANEL FACILITIES .........................................................................................................................................................
8
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................11
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................11
3.2 PCB LOCATIONS .........................................................................................................................................................12
3.3 JIGS LIST......................................................................................................................................................................12
4. BLOCK DIAGRAM...............................................................................................................................................................14
4.1 OVERALL
W
IRING DIAGRAM......................................................................................................................................14
4.2 OVERALL BLOCK DIAGRAM .......................................................................................................................................16
4.3 DVD LOADER/MPEG BLOCK DIAGRAM.....................................................................................................................17
4.4 PO
W
ER BLOCK DIAGRAM..........................................................................................................................................1
8
5. DIAGNOSIS .........................................................................................................................................................................19
5.1 TROUBLE SHOOTING .................................................................................................................................................19
5.2 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ASSY..............................................23
6. SERVICE MODE .................................................................................................................................................................24
6.1 SERVICE MODE PROCEDURE ...................................................................................................................................24
6.2 SERVICE MODE IN ......................................................................................................................................................25
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....................................................................................................................................................................2
8
8
. EACH SETTING AND ADJUSTMENT ................................................................................................................................30
8
.1 RE-
W
RITE FOR DVD FIRM
W
ARE ...............................................................................................................................30
9. EXPLODED VIE
W
S AND PARTS LIST ...............................................................................................................................32
9.1 PACKING SECTION......................................................................................................................................................32
9.2 EXTERIOR SECTION...................................................................................................................................................34
10. SCHEMATIC DIAGRAM ....................................................................................................................................................36
10.1 DVD MT PCB ASSY (1/6) ...........................................................................................................................................36
10.2 DVD MT PCB ASSY (2/6) ...........................................................................................................................................3
8
10.3 DVD MT PCB ASSY (3/6) ...........................................................................................................................................40
10.4 DVD MT PCB ASSY (4/6) ...........................................................................................................................................42
10.5 DVD MT PCB ASSY (5/6) ...........................................................................................................................................44
10.6 DVD MT PCB ASSY (6/6) ...........................................................................................................................................46
10.7 OPERATION PCB ASSY ............................................................................................................................................4
8
10.
8
USB PCB ASSY..........................................................................................................................................................50
10.9 PO
W
ER PCB ASSY (1/2) ...........................................................................................................................................52
10.10 PO
W
ER PCB ASSY (2/2) .........................................................................................................................................54
10.11
W
AVEFORMS ...........................................................................................................................................................56
11. PCB CONNECTION DIAGRAM ........................................................................................................................................5
8
11.1 DVD MT PCB ASSY....................................................................................................................................................5
8
11.2 OPERATION PCB ASSY ............................................................................................................................................60
11.3 USB PCB ASSY..........................................................................................................................................................61
11.4 PO
W
ER PCB ASSY....................................................................................................................................................63
12. PCB PARTS LIST ..............................................................................................................................................................65