Pioneer VSX-81TXV Receiver
Manufacturer:
Model:
VSX-81TXV
Date:
2006
Category:
Group:
Description:
Service Manual
Manual type:
Service Manual
Pages:
272
Size:
16.04 Mbytes (16821605 Bytes)
Language:
english
Revision:
Manual-ID:
RRV3397
Date:
01 September 2006
Quality:
Electronic document, no scan, very well readable.
Upload date:
01 October 2020
MD5:
4cfebf4938e9d27a40ac436852399d66
Downloads:
638

Information

CONTENTS 1. SPECIFICATIONS ... 6 2. EXPLODED VIEWS AND PARTS LIST ... 10 2.1 PACKING SECTION ... 10 2.2 EXTERIOR SECTION ... 12 2.3 CHASSIS SECTION ... 14 2.4 REAR SECTION ... 16 2.5 POWER AMP SECTION ... 20 2.6 FRONT PANEL SECTION ... 22 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 24 3.1 BLOCK DIAGRAM for AUDIO BLOCK ... 24 3.2 BLOCK DIAGRAM for VIDEO BLOCK ... 26 3.3 OVERALL WIRING DIAGRAM ... 28 3.4 AUDIO IN ASSY (1/2) ... 30 3.5 AUDIO IN (2/2) and 12V-REG ASSYS ... 32 3.6 MAIN CONTROL ASSY (1/3) ... 34 3.7 MAIN CONTROL (2/3), GUARD-C and GUARD-F ASSYS ... 36 3.8 MAIN CONTROL ASSY (3/3) ... 38 3.9 DSP ASSY (1/4) ... 40 3.10 DSP ASSY (2/4) ... 42 3.11 DSP ASSY (3/4) ... 44 3.12 DSP ASSY (4/4) ... 46 3.13 COMPOSITE ASSY ... 48 3.14 S-VIDEO and BRIDGE 2 ASSYS ... 50 3.15 COMPONENT ASSY ... 52 3.16 DISPLAY, VOLUME and MULTI JOG ASSYS ... 54 3.17 Headphone, FRONT-IN, PRIMARY and TRANS 1 ASSYS ... 56 3.18 TRANS 2-1, DIODE 1, VH TR, BRIDGE 1 and PS/SP ASSYS ... 58 3.19 TRANS 2-2, TRANS SIDE, LOCAL P-SUPPLY, DC/DC, IR I/O and VIDEO CONNECT ASSYS ... 60 3.20 POWER AMP-L, POSI 1-L and POSI 2-L ASSYS ... 62 3.21 POWER AMP-R and POSI 1-R ASSYS ... 64 3.22 POWER AMP IN and POWER PROTECT ASSYS ... 66 3.23 HDMI & DVC ASSY (1/2) ... 68 3.24 HDMI & DVC ASSY (2/2) ... 70 3.25 USB ASSY /VSX-2016AV-S ONLY) ... 72 4. PCB CONNECTION DIAGRAM ... 74 4.1 AUDIO IN ASSY ... 76 4.2 12V-REG ASSY ... 80 4.3 BRIDGE 2 ASSY ... 81 4.4 MAIN CONTROL ASSY ... 82 4.5 DSP ASSY ... 86 4.6 COMPOSITE ASSY ... 90 4.7 S-VIDEO ASSY ... 94 4.8 COMPONENT ASSY ... 98 4.9 DISPLAY ASSY ... 102 4.10 VOLUME ASSY ... 106 4.11 Headphone ASSY ... 107 4.12 MULTIJOG ASSY ... 108 4.13 FRONT IN ASSY ... 112 4.14 PRIMARY ASSY ... 116 4.15 TRANS 1 ASSYS ... 120 4.16 TRANS 2-1 ASSY ... 121 4.17 DIODE 1 and VH TR ASSYS ... 122 4.18 BRIDGE 1 ASSY ... 123 4.19 PS/SP ASSY ... 124 4.20 TRANS 2-2 ASSY ... 128 4.21 POSI 1-L, POSI 2-L and POSI 1-R ASSYS ... 129 4.22 TRANS SIDE ASSY ... 130 4.23 IR I/O ASSY ... 132 4.24 LOCAL P-SUPPLY ASSY ... 134 4.25 DC/DC ASSY ... 136 4.26 VIDEO CONNECT ASSY ... 138 4.27 POWER AMP-L ASSY ... 140 4.28 POWER AMP-R ASSY ... 144 4.29 POWER AMP IN ASSY ... 148 4.30 POWER PROTECT ASSY ... 150 4.31 HDMI & DVC ASSY ... 152 4.32 USB ASSY /VSX-2016AV-S ONLY) ... 156 5. PCB PARTS LIST ... 158 6. ADJUSTMENT ... 194 7. GENERAL INFORMATION ... 195 7.1 DIAGNOSIS ... 195 7.1.1 TEST MODE ... 195 7.1.2 PROTECTION CIRCUIT SPECIFICATION ... 198 7.1.3 DSP TROUBLESHOOTING ... 200 7.1.4 HDMI TROUBLESHOOTING ... 216 7.1.5 USB MODULE ... 228 7.1.6 HOW TO UPDATE FIRMWARE ... 233 7.1.7 HOW TO UPDATE THE FLASH ROMS FOR VARIOUS MICROCOMPUTERS ... 234 7.1.8 HOW TO UPDATE THE DSP FLASH ROM BY PLAYING BACK CD ... 236 7.1.9 DISASSEMBLY ... 238 7.2 PARTS ... 246 7.2.1 IC ... 246 8. PANEL FACILITIES ... 261

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