AVH-P4050DVD/XNCN5
5
5
678
56
7
8
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION .....................................................................................................................................2
1. SERVICE PRECAUTIONS................................................................................................................................6
1.1 SERVICE PRECAUTIONS .........................................................................................................................6
1.2 NOTES ON SOLDERING ...........................................................................................................................7
2. SPECIFICATIONS.............................................................................................................................................8
2.1 SPECIFICATIONS ......................................................................................................................................8
2.2 DISC/CONTENT FORMAT .......................................................................................................................11
2.3 PANEL FACILITIES...................................................................................................................................12
2.4 CONNECTION DIAGRAM........................................................................................................................15
3. BASIC ITEMS FOR SERVICE ........................................................................................................................16
3.1 CHECK POINTS AFTER SERVICING .....................................................................................................16
3.2 PCB LOCATIONS .....................................................................................................................................17
3.3 JIGS LIST .................................................................................................................................................18
3.4 CLEANING ...............................................................................................................................................18
4. BLOCK DIAGRAM ..........................................................................................................................................20
5. DIAGNOSIS ....................................................................................................................................................30
5.1 OPERATIONAL FLOWCHART .................................................................................................................30
5.2 INSPECTION METHOD OF PICKUP UNIT .............................................................................................31
5.3 DIAGNOSIS FLOWCHART ......................................................................................................................34
5.4 ERROR CODE LIST.................................................................................................................................56
5.5 CONNECTOR FUNCTION DESCRIPTION .............................................................................................58
6. SERVICE MODE.............................................................................................................................................59
6.1 DVD TEST MODE ....................................................................................................................................59
6.2 CALIBRATION TEST MODE ....................................................................................................................62
6.3 MONITOR TEST MODE ...........................................................................................................................62
7. DISASSEMBLY ...............................................................................................................................................63
8. EACH SETTING AND ADJUSTMENT ............................................................................................................67
8.1 DVD ADJUSTMENT .................................................................................................................................67
8.2 MONITOR PCB ADJUSTMENT ...............................................................................................................74
8.3 MOTHER PCB ADJUSTMENT.................................................................................................................77
8.4 INVERTOR PCB ADJUSTMENT..............................................................................................................79
8.5 TOUCH PANEL ADJUSTMENT................................................................................................................81
8.6 MONITOR ADJUSTMENT........................................................................................................................89
9. EXPLODED VIEWS AND PARTS LIST ..........................................................................................................98
9.1 PACKING ..................................................................................................................................................98
9.2 EXTERIOR(1) .........................................................................................................................................100
9.3 EXTERIOR(2) .........................................................................................................................................102
9.4 DVD MECHANISM MODULE .................................................................................................................104
10. SCHEMATIC DIAGRAM..............................................................................................................................106
10.1 MOTHER PCB(ANALOG)(1/4)(GUIDE PAGE) .....................................................................................106
10.2 MOTHER PCB(POWER SUPPLY)(2/4) ................................................................................................112
10.3 MOTHER PCB(SYSTEM)(3/4)(GUIDE PAGE) .....................................................................................114
10.4 MOTHER PCB(TUNER)(4/4)................................................................................................................120
10.5 INTERFACE PCB .................................................................................................................................121
10.6 KEYBOARD UNIT ................................................................................................................................122
10.7 DVD CORE UNIT(1/2)(GUIDE PAGE) ..................................................................................................124
10.8 DVD CORE UNIT(2/2) ..........................................................................................................................130
10.9 COMPOUND UNIT(A) AND COMPOUND UNIT(B) .............................................................................132
10.10 MONITOR PCB(MONITOR)(1/2)(GUIDE PAGE)................................................................................134
10.11 MOTHER PCB(OSD,uCOM)(2/2)(GUIDE PAGE) ...............................................................................140
10.12 INVERTOR PCB .................................................................................................................................146
10.13 WAVEFORMS.....................................................................................................................................148
11. PCB CONNECTION DIAGRAM ..................................................................................................................150
11.1 MOTHER PCB ......................................................................................................................................150
11.2 INTERFACE PCB .................................................................................................................................154
11.3 KEYBOARD UNIT ................................................................................................................................155
11.4 DVD CORE UNIT..................................................................................................................................156
11.5 COMPOUND UNIT(A) AND COMPOUND UNIT(B) .............................................................................160
11.6 MONITOR PCB ....................................................................................................................................162
11.7 INVERTOR PCB ...................................................................................................................................166
12. ELECTRICAL PARTS LIST .........................................................................................................................167