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CONTENTS
SAFETY INFORMATION..................................................................................................................................... 2
1. SERVICE PRECAUTIONS ............................................................................................................................... 6
1.1 SERVICE PRECAUTIONS ........................................................................................................................ 6
1.2 NOTES ON SOLDERING .......................................................................................................................... 8
2. SPECIFICATIONS ............................................................................................................................................ 9
2.1 SPECIFICATIONS ..................................................................................................................................... 9
2.2 DISC/CONTENT FORMAT ...................................................................................................................... 24
3. BASIC ITEMS FOR SERVICE........................................................................................................................ 25
3.2 PCB LOCATIONS .................................................................................................................................... 26
3.3 JIGS LIST ................................................................................................................................................ 27
3.4 CLEANING............................................................................................................................................... 27
4. BLOCK DIAGRAM.......................................................................................................................................... 28
4.2 BLOCK DIAGRAM ................................................................................................................................... 30
B
5. DIAGNOSIS.................................................................................................................................................... 41
5.1 OPERATIONAL FLOWCHART ................................................................................................................ 41
5.3 DIAGNOSIS FLOWCHART ..................................................................................................................... 45
5.4 ERROR CODE LIST ................................................................................................................................ 65
6. SERVICE MODE ............................................................................................................................................ 71
6.1 MONITOR TEST MODE .......................................................................................................................... 71
6.2 DVD TEST MODE ................................................................................................................................... 89
7. DISASSEMBLY .............................................................................................................................................. 94
C
8.1 DVD ADJUSTMENT .............................................................................................................................. 101
8.2 PCL OUTPUT CONFIRMATION............................................................................................................ 106
9.1 PACKING ............................................................................................................................................... 108
9.2 EXTERIOR (1) ........................................................................................................................................112
9.3 EXTERIOR (2) ........................................................................................................................................114
9.4 EXTERIOR (3) ........................................................................................................................................116
9.6 CD MECHANISM MODULE (2) ............................................................................................................. 120
10. SCHEMATIC DIAGRAM............................................................................................................................. 122
D
10.8 IF PCB (GUIDE PAGE) ........................................................................................................................ 152
10.10 TUNER PCB ...................................................................................................................................... 164
10.13 KEY UNIT (SERVICE) ....................................................................................................................... 170
10.14 CASE UNIT (SERVICE)..................................................................................................................... 172
E
10.15 SW UNIT (SERVICE)......................................................................................................................... 174
10.16 HDMI UNIT (GUIDE PAGE) ............................................................................................................... 176
10.17 PCB UNIT (SERVICE) ....................................................................................................................... 182
10.18 WAVEFORMS .................................................................................................................................... 184
11. PCB CONNECTION DIAGRAM.................................................................................................................. 186
11.1 TUNER AMP PCB................................................................................................................................ 186
11.2 IF PCB.................................................................................................................................................. 190
11.3 DVD CORE UNIT ................................................................................................................................. 192
11.4 TUNER PCB......................................................................................................................................... 194
11.5 MONITOR UNIT (SERVICE) ................................................................................................................ 196
11.6 KEY UNIT (SERVICE).......................................................................................................................... 200
F
11.7 CASE UNIT (SERVICE) ....................................................................................................................... 201
11.8 SW UNIT (SERVICE) ........................................................................................................................... 202
11.9 HDMI UNIT........................................................................................................................................... 204
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AVH-X8500BHS/XNUC
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