Table of Contents
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
A
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 12
3.1 BLOCK DIAGRAM ................................................................................................................................... 12
3.2 OVERALL WIRING CONNECTION DIAGRAM........................................................................................ 14
3.3 MAIN ASSY (1/3) ..................................................................................................................................... 16
3.4 MAIN ASSY (2/3) ..................................................................................................................................... 18
3.5 MAIN ASSY (3/3) ..................................................................................................................................... 20
3.6 DSP ASSY (1/2) (for VSX-816) ................................................................................................................ 22
3.7 DSP ASSY (2/2) (for VSX-816) ................................................................................................................ 24
3.8 DSP ASSY (1/2) (for VSX-916) ................................................................................................................ 26
B
3.9 DSP ASSY (2/2) (for VSX-916) ................................................................................................................ 28
3.10 POWER PACK (1/2), TRANS 2 and TRANS 3 ASSYS .......................................................................... 30
3.11 POWER PACK ASSY (2/2) .................................................................................................................... 32
3.12 COMPONENT ASSY ............................................................................................................................. 34
3.13 HEADPHONE, PRE-OUT and 5.1CHIN ASSYS ................................................................................... 35
3.14 FRONT DISPLAY, R. ENCODER and POWER KEY ASSYS ................................................................ 36
3.15 S. VIDEO, TRANS 4 and REGULATOR ASSYS .................................................................................... 38
3.16 VIDEO, DIGITAL IN, FRONT VIDEO, PRIMARY and TRANS 1 ASSYS................................................ 40
3.17 USB ASSY ............................................................................................................................................. 42
3.18 USB IN ASSY ........................................................................................................................................ 44
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 46
C
4.1 USB IN ASSY .......................................................................................................................................... 47
4.2 MAIN ASSY ............................................................................................................................................. 48
4.3 DSP ASSY (FOR VSX-916) ..................................................................................................................... 52
4.4 DSP ASSY (FOR VSX-816) ..................................................................................................................... 56
4.5 POWER PACK ASSY............................................................................................................................... 60
4.6 TRANS2, TRANS3, TRANS4 and TRANS1 ASSYS ................................................................................ 64
4.7 COMPONENT ASSY ............................................................................................................................... 66
4.8 HEADPHONE and 5.1 CHIN ASSYS ...................................................................................................... 67
4.9 FRONT DISPLY, R. ENCODER and POWER KEY ASSYS ..................................................................... 68
4.10 S. VIDEO and FRONT VIDEO ASSYS .................................................................................................. 72
4.11 PRE-OUT ASSY .................................................................................................................................... 74
4.12 REGULATOR and DIGITAL IN ASSYS .................................................................................................. 75
D
4.13 PRIMARY ASSY .................................................................................................................................... 76
4.14 VIDEO ASSY ......................................................................................................................................... 78
4.15 USB ASSY ............................................................................................................................................. 79
5. PCB PARTS LIST ........................................................................................................................................... 80
6. ADJUSTMENT ............................................................................................................................................. 108
7. GENERAL INFORMATION ........................................................................................................................... 109
7.1 DIAGNOSIS ........................................................................................................................................... 109
7.1.1 DISASSEMBLY................................................................................................................................ 109
7.2 PARTS.................................................................................................................................................... 112
7.2.1 IC ..................................................................................................................................................... 112
7.3 EXPLANATION ...................................................................................................................................... 127
7.3.1 DETECTION CIRCUIT .................................................................................................................... 127
E
7.3.2 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION............................................ 129
7.3.3 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART ........................................................................ 131
7.3.4 USB Module .................................................................................................................................... 132
8. PANEL FACILITIES ...................................................................................................................................... 138
F
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VSX-816-K
BETO-PX
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