Table Of Contents; Vsx-49Txi 3 - Pioneer VSX-49TXi Service Manual

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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 6
A
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 8
2.1 PACKING ................................................................................................................................................... 8
2.2 EXTERIOR SECTION.............................................................................................................................. 10
2.3 CHASSIS SECTION ................................................................................................................................ 12
2.4 REAR PANEL SECTION.......................................................................................................................... 14
2.5 HEAT SINK SECTION.............................................................................................................................. 16
2.6 FRONT PANEL SECTION ....................................................................................................................... 18
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 20
3.1 BLOCK DIAGRAM ................................................................................................................................... 20
3.2 OVERALL WIRING DIAGRAM................................................................................................................. 28
3.3 FM/AM TUNER MODULE ........................................................................................................................ 30
3.4 A/V I/O ASSY ........................................................................................................................................... 32
B
3.5 COMPOSITE ASSY ................................................................................................................................. 34
3.6 S-VIDEO ASSY........................................................................................................................................ 36
3.7 V-CONVERT ASSY .................................................................................................................................. 38
3.8 COMPONENT ASSY ............................................................................................................................... 40
3.9 VIDEO CON., MIC AMP, MIC, FRONT A/V and H.P. ASSYS .................................................................. 42
3.10 ANALOG IN & A/D ASSY(1/3) ............................................................................................................... 44
3.11 ANAALOG IN & A/D ASSY(2/3)............................................................................................................. 46
3.12 ANAALOG IN & A/D ASSY(3/3)............................................................................................................. 48
3.13 DISPLAY, INPUT SEL, MULTI JOG and VOL ASSYS ........................................................................... 50
3.14 VR & PRE OUT ASSY(1/3) .................................................................................................................... 52
3.15 VR & PRE OUT ASSY(2/3) .................................................................................................................... 54
3.16 VR & PRE OUT ASSY(3/3) .................................................................................................................... 56
C
3.17 MOTHER ASSY ..................................................................................................................................... 58
3.18 DSP ASSY(1/5)...................................................................................................................................... 60
3.19 DSP ASSY(2/5)...................................................................................................................................... 62
3.20 DSP ASSY(3/5)...................................................................................................................................... 64
3.21 DSP ASSY(4/5)...................................................................................................................................... 66
3.22 DSP ASSY(5/5)...................................................................................................................................... 68
3.23 DSP3 ASSY ........................................................................................................................................... 70
3.24 DAC10 ASSY(1/2).................................................................................................................................. 72
3.25 DAC10 ASSY(2/2).................................................................................................................................. 74
3.26 POWER AMP(L) and POWER AMP(C) ASSYS .................................................................................... 76
3.27 POWER AMP(R), POWER AMP(BR) and POWER AMP(G) ASSYS.................................................... 78
3.28 LOCAL SUPPLY ASSY .......................................................................................................................... 80
D
3.29 AC PRIMARY, POWER SW, SP(A), FL SUPPLY and STANDBY ASSYS ............................................. 82
3.31 1394 MODULE(1/2) ASSY..................................................................................................................... 86
3.32 1394 MODULE(2/2) ASSY..................................................................................................................... 88
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 90
4.1 FM/AM TUNER MODULE ........................................................................................................................ 91
4.2 A/V I/O ASSY ........................................................................................................................................... 92
4.3 COMPOSITE ASSY ................................................................................................................................. 93
4.4 S-VIDEO ASSY........................................................................................................................................ 94
4.5 V-CONVERT ASSY .................................................................................................................................. 95
4.6 COMPONENT ASSY ............................................................................................................................... 96
4.7 VIDEO CONNECT ASSY......................................................................................................................... 97
4.8 MIC AMP, MIC, FRONT A/V and HEADPHONE ASSYS ......................................................................... 98
E
4.9 ANALOG IN & A/D ASSY ...................................................................................................................... 100
4.10 DISPLAY, INPUT SEL, MULTI JOG, FL SUP. and STANDBY ASSYS ................................................. 102
4.11 VR & PRE OUT ASSY ......................................................................................................................... 106
4.12 MOTHER ASSY ................................................................................................................................... 108
4.13 DSP ASSY ........................................................................................................................................... 112
4.14 DAC10 ASSY ....................................................................................................................................... 114
4.15 DSP3 ASSY ......................................................................................................................................... 116
4.16 POWER AMP(L) and POSISTER(L) ASSYS....................................................................................... 117
4.17 POWER AMP(R) and POSISTER(R) ASSYS...................................................................................... 119
4.18 POWER AMP(C), POWER AMP(BR) and POWER AMP(G) ASSYS.................................................. 121
4.19 LOCAL SUPPLY and DSP DIODE ASSYS.......................................................................................... 122
F
4.20 AC PRIMARY, POWER SW and SP(A) ASSYS................................................................................... 124
4.21 TRANS(A), TRANS(B), DIODE and FUSE ASSYS ............................................................................. 126
4.22 SP(B) ASSY ......................................................................................................................................... 127
4.23 1394 MODULE ASSY .......................................................................................................................... 128
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