Pioneer VSX-C302-S, Service Manual

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VSX-C302-S
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 INTERIOR SECTION ............................................................................................................................... 10
2.4 FRONT PANEL SECTION ....................................................................................................................... 12
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 14
3.1 BLOCK DIAGRAM ................................................................................................................................... 14
3.1.1 AUDIO AND VIDEO BLOCK............................................................................................................... 14
3.1.2 POWER SUPPLY BLOCKS ................................................................................................................ 16
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 18
3.3 FM/AM TUNER MODULE ........................................................................................................................ 20
3.4 VIDEO ASSY ........................................................................................................................................... 22
3.5 AUDIO INPUT ASSY ............................................................................................................................... 24
3.6 MOTHER ASSY (1/5)............................................................................................................................... 26
3.7 MOTHER ASSY (2/5) and DSP KAWA ASSY ......................................................................................... 28
3.8 MOTHER ASSY (3/5)............................................................................................................................... 30
3.9 MOTHER ASSY (4/5)............................................................................................................................... 32
3.10 MOTHER ASSY (5/5)............................................................................................................................. 34
3.11 DSP ASSY (1/2)..................................................................................................................................... 36
3.12 DSP ASSY (2/2)..................................................................................................................................... 38
3.13 FRONT IN and AMP KAWA ASSYS ...................................................................................................... 40
3.14 6CH AMP ASSY .................................................................................................................................... 42
3.15 AMP OUT ASSY .................................................................................................................................... 44
3.16 ENCODER, FRONT and POWER SW ASSYS ..................................................................................... 46
3.17 PRIMARY, D5V, 12V and VHVL ASSYS ................................................................................................ 48
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 50
4.1 FM/AM TUNER MODULE ........................................................................................................................ 51
4.2 AUDIO INPUT and 12V ASSYS............................................................................................................... 52
4.3 MOTHER, DSP KAWA and D5V ASSYS ................................................................................................. 54
4.4 DSP ASSY ............................................................................................................................................... 58
4.5 FRONT IN ASSY...................................................................................................................................... 60
4.6 AMP KAWA ASSY ................................................................................................................................... 61
4.7 6CH AMP ASSY ...................................................................................................................................... 62
4.8 AMP OUT ASSY ...................................................................................................................................... 64
4.9 ENCODER, FRONT and POWER SW ASSYS ....................................................................................... 66
4.10 PRIMARY ASSY .................................................................................................................................... 70
4.11 VHVL ASSY ........................................................................................................................................... 71
4.12 VIDEO ASSYS ....................................................................................................................................... 72
5. PCB PARTS LIST ........................................................................................................................................... 73
6. ADJUSTMENT ............................................................................................................................................... 79
6.1 TUNER SECTION .................................................................................................................................... 79
7. GENERAL INFORMATION ............................................................................................................................. 80
7.1 DIAGNOSIS ............................................................................................................................................. 80
7.1.1 Test Mode ........................................................................................................................................... 80
7.1.2 Protection Circuit ................................................................................................................................ 81
7.1.3 Specifications of Speaker Detection ................................................................................................... 82
7.1.4 Circuit Description............................................................................................................................... 83
7.1.5 Troubleshooting................................................................................................................................... 84
7.1.6 DSP troubleshooting ........................................................................................................................... 86
7.1.7 Timing Chart ....................................................................................................................................... 91
7.2 PARTS...................................................................................................................................................... 95
7.2.1 IC ........................................................................................................................................................ 95
7.2.2 DISPLAY ........................................................................................................................................... 101
7.3 CLEANING............................................................................................................................................. 102
8. PANEL FACILITIES ...................................................................................................................................... 103