Table Of Contents - Pioneer HTP-072 Service Manual

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CONTENTS
SAFETY INFORMATION.......................................................................................................................................................... 2
1. SERVICE PRECAUTIONS .................................................................................................................................................... 4
1.1 NOTES ON SOLDERING ............................................................................................................................................... 4
1.2 NOTES ON REPLACING PARTS ................................................................................................................................... 4
1.3 SERVICE NOTICE.......................................................................................................................................................... 4
2. SPECIFICATIONS................................................................................................................................................................. 5
3. BASIC ITEMS FOR SERVICE .............................................................................................................................................. 7
3.1 CHECK POINTS AFTER SERVICING ........................................................................................................................... 7
3.2 JIGS LIST ....................................................................................................................................................................... 7
3.3 PCB LOCATIONS ........................................................................................................................................................... 8
4. BLOCK DIAGRAM .............................................................................................................................................................. 10
4.1 OVERALL WIRING DIAGRAM ..................................................................................................................................... 10
4.2 OVERALL BLOCK DIAGRAM....................................................................................................................................... 12
4.3 VCC BLOCK DIAGRAM ............................................................................................................................................... 14
4.4 GND BLOCK DIAGRAM ............................................................................................................................................... 16
5. DIAGNOSIS ........................................................................................................................................................................ 18
5.1 TROUBLESHOOTING.................................................................................................................................................. 18
5.2 PROTECTION CIRCUIT............................................................................................................................................... 23
5.3 IC INFORMATION ........................................................................................................................................................ 24
6. SERVICE MODE ................................................................................................................................................................. 27
7. DISASSEMBLY ................................................................................................................................................................... 31
7.1 VSX-324-K-P ................................................................................................................................................................ 31
7.2 S-22W-P ....................................................................................................................................................................... 35
7.3 S-11A-P ........................................................................................................................................................................ 36
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................ 37
8.1 UPDATING OF THE FIRMWARE ................................................................................................................................. 37
9. EXPLODED VIEWS AND PARTS LIST............................................................................................................................... 42
9.1 PACKING SECTION ..................................................................................................................................................... 42
9.2 VSX-324-K-P ................................................................................................................................................................ 44
9.3 S-22W-P ....................................................................................................................................................................... 47
9.4 S-11A-P ........................................................................................................................................................................ 48
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 50
10.1 MAIN ASSY (1/3)........................................................................................................................................................ 50
10.2 MAIN ASSY (2/3)........................................................................................................................................................ 52
10.3 MAIN ASSY (3/3)........................................................................................................................................................ 54
10.4 OPTCO ASSY ............................................................................................................................................................ 55
10.5 D-MAIN ASSY (1/3) .................................................................................................................................................... 56
10.6 D-MAIN ASSY (2/3) .................................................................................................................................................... 58
10.7 D-MAIN ASSY (3/3) .................................................................................................................................................... 60
10.8 AMP6 ASSY ............................................................................................................................................................... 62
10.9 CPU ASSY.................................................................................................................................................................. 64
10.10 FRONT, INSEL, HP and FUSB ASSYS .................................................................................................................... 66
10.11 CNT ASSY................................................................................................................................................................ 68
10.12 STBY and V_SEL ASSYS ........................................................................................................................................ 70
10.13 S-11A-P .................................................................................................................................................................... 72
11. PCB CONNECTION DIAGRAM ........................................................................................................................................ 74
11.1 MAIN and OPTCO ASSYS ......................................................................................................................................... 74
11.2 D-MAIN ASSY ............................................................................................................................................................ 78
11.3 AMP6 ASSY ............................................................................................................................................................... 82
11.4 CPU ASSY.................................................................................................................................................................. 84
11.5 FRONT, INSEL, HP and FUSB ASSYS ...................................................................................................................... 86
11.6 CNT ASSY.................................................................................................................................................................. 88
11.7 STBY ASSY................................................................................................................................................................ 89
11.8 V_SEL, G-L, G-T and G-CNT ASSYS ........................................................................................................................ 90
12. PCB PARTS LIST .............................................................................................................................................................. 91
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HTP-072
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