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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
A
2.1 PACKING ................................................................................................................................................... 8
2.2 EXTERIOR............................................................................................................................................... 10
2.3 FRONT PANEL ........................................................................................................................................ 12
3.1.1 OVERALL BLOCK DIAGRAM............................................................................................................... 14
3.1.4 POWER BLOCK DIAGRAM.................................................................................................................. 20
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 22
3.3 TUNB ASSY ............................................................................................................................................. 24
3.4 JCKB ASSY(1/3) ...................................................................................................................................... 26
B
3.6 JCKB ASSY(3/3) ...................................................................................................................................... 30
3.7 MAIN ASSY(1/5) ...................................................................................................................................... 32
3.8 MAIN ASSY(2/5) ...................................................................................................................................... 34
3.9 MAIN ASSY(3/5) ...................................................................................................................................... 36
3.10 MAIN ASSY(4/5) .................................................................................................................................... 38
3.11 MAIN ASSY(5/5) .................................................................................................................................... 40
3.13 SDEB ASSY........................................................................................................................................... 44
3.14 POWER SUPPLY UNIT.......................................................................................................................... 46
3.15 WAVE FORMS ....................................................................................................................................... 48
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 51
C
4.1 TUNB ASSY ............................................................................................................................................. 52
4.3 MAIN ASSY ............................................................................................................................................. 58
4.5 SDEB ASSY............................................................................................................................................. 66
4.6 POWER SUPPLY UNIT............................................................................................................................ 68
5. PCB PARTS LIST ........................................................................................................................................... 69
6. ADJUSTMENT ............................................................................................................................................... 74
6.1 TUNB ASSY ADJUSTMENT.................................................................................................................... 74
6.2 MAIN ASSY ADJUSTMENT .................................................................................................................... 75
7. GENERAL INFORMATION ............................................................................................................................. 76
7.1 DIAGNOSIS ............................................................................................................................................. 76
D
7.1.2 MODEL SETTING................................................................................................................................. 81
7.1.3 DOWNLOAD METHOD ........................................................................................................................ 82
7.1.4 SERVICE MODE................................................................................................................................... 84
7.1.5 DV DEBUG MODE................................................................................................................................ 96
7.1.8 AGING MODE..................................................................................................................................... 105
7.1.9 SETUP SEQUENCE ........................................................................................................................... 107
7.1.10 DISASSEMBLY ................................................................................................................................. 108
7.2 IC ........................................................................................................................................................... 113
7.3 OUTLINE OF THE PRODUCT............................................................................................................... 144
E
7.5 DISC/CONTENT FORMAT .................................................................................................................... 149
7.6 CLEANING............................................................................................................................................. 150
8. PANEL FACILITIES ...................................................................................................................................... 151
F
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DVR-520H-S
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