Table Of Contents - Pioneer VSX-915 Service Manual

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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 7
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2.1 PACKING ................................................................................................................................................... 7
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)....................................................................................................................................... 22
3.7 DSP ASSY (2/2)....................................................................................................................................... 24
3.8 AMP & PRIMARY (1/2), TRANS2 and TRANS3 ASSYS ......................................................................... 26
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3.9 AMP&PRIMARY(2/2), REGULATOR, AMP INPUT and TRANS1 ASSYS............................................... 28
3.10 VIDEO, 5.1CH, B TO B and S. VIDEO ASSYS ...................................................................................... 30
3.11 FRONT DISPLAY, R. ENCODER, P. SW&FUNC KEY and F. KEY ASSYS ........................................... 32
3.12 TRANS4, H.P., PRE-OUT, D. IN, COMPONENT and F.OPT & MIC ASSYS.......................................... 34
3.13 VIDEO CONVERTER ASSY .................................................................................................................. 36
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 38
4.1 REGULATOR ASSY................................................................................................................................. 38
4.2 TRANS2, TRANS3, TRANS1 and TRANS4 ASSYS ................................................................................ 39
4.3 MAIN ASSY ............................................................................................................................................. 40
4.4 DSP ASSY ............................................................................................................................................... 44
4.5 AMP & PRIMARY and AMP INPUT ASSYS ............................................................................................ 46
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4.6 F. DISPLAY, R. ENCODER, P. SW & KEY, H. P. and F. KEY ASSYS ....................................................... 48
4.7 B TO B, DIGITAL IN, VIDEO, 5.1CH and VIDEO CONVERTER ASSYS ................................................. 52
4.8 S.VIDEO, F. INPUT, COMPONENT and PRE-OUT ASSYS .................................................................... 54
5. ELECTRICAL PARTS LIST ............................................................................................................................ 56
6. ADJUSTMENT ............................................................................................................................................... 62
7. GENERAL INFORMATION ............................................................................................................................. 63
7.1 DIAGNOSIS ............................................................................................................................................. 63
7.1.1 DISASSEMBLY.................................................................................................................................. 63
7.2 PARTS...................................................................................................................................................... 65
7.2.1 IC ....................................................................................................................................................... 65
7.3 EXPLANATION ........................................................................................................................................ 71
7.3.1 POWER ON AND OFF INITIAL TIMING CHART .............................................................................. 71
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7.3.2 IC DATA TRANSMISSION TIMING CHART....................................................................................... 73
7.3.3 DETECTION CIRCUIT ...................................................................................................................... 76
7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 77
7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 79
7.4 CLEANING............................................................................................................................................... 79
8. PANEL FACILITIES ........................................................................................................................................ 80
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