VSX-52TX
4
1
2
3
4
1
2
3
4
C
D
F
A
B
E
3.19 REAR TOP, TRANS SIDE, TRANS 1 and PRIMARY ASSYS ................................................................ 60
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 62
4.1 MULTI CH I/O ASSY ................................................................................................................................ 63
4.2 AUDIO CONNECT ASSY ........................................................................................................................ 64
4.3 COMPOSITE V ASSY.............................................................................................................................. 65
4.4 S VIDEO ASSY ........................................................................................................................................ 66
4.5 VIDEO SIDE and OPTICAL-IN ASSYS ................................................................................................... 67
4.6 COMPONENT ASSY ............................................................................................................................... 68
4.7 FRONT IN and FRONT-IN CONNECT ASSYS........................................................................................ 69
4.8 MAIN CONTROL ASSY ........................................................................................................................... 70
4.9 DISPLAY ASSY........................................................................................................................................ 74
4.10 HEADPHONE, VOLUME and MULTI JOG ASSYS................................................................................ 76
4.11 POWER AMP IN ASSY.......................................................................................................................... 78
4.12 12V TRIGGER ASSY ............................................................................................................................. 79
4.13 DSP ASSY ............................................................................................................................................. 80
4.14 POWER PROTECT, POWER AMP-L and POSI 1 L ASSYS ................................................................. 82
4.15 POWER AMP-R and POSI 1 R ASSYS................................................................................................. 86
4.16 REGULATOR ASSY............................................................................................................................... 90
4.17 SP / PS ASSY ........................................................................................................................................ 94
4.18 TRANS 2-1, DIODE and VH TR ASSYS ................................................................................................ 96
4.19 TRANS SIDE ASSY ............................................................................................................................... 98
4.20 TRANS 2-2, TRANS 1 and PRIMARY ASSYS..................................................................................... 100
4.21 REAR TOP ASSY ................................................................................................................................ 102
5. PCB PARTS LIST ......................................................................................................................................... 103
6. ADJUSTMENT ............................................................................................................................................. 113
7. GENERAL INFORMATION ........................................................................................................................... 114
7.1 DIAGNOSIS ........................................................................................................................................... 114
7.1.1 PROTECTION CIRCUIT CONTROL SPECIFICATION ................................................................... 114
7.1.2 HOW TO DIAGNOSE THE AMPLIFIER SECTION ......................................................................... 116
7.1.3 HOW TO DIAGNOSE THE UNIT WITH THE POWER AMPLIFIER SECTION REMOVED ............ 117
7.1.4 DISASSEMBLY................................................................................................................................ 120
7.1.5 TROUBLE SHOOTING OF THE DSP ASSY ................................................................................... 124
7.2 PARTS.................................................................................................................................................... 133
7.2.1 IC ..................................................................................................................................................... 133
7.3 CLEANING............................................................................................................................................. 142
8. PANEL FACILITIES ...................................................................................................................................... 143
8.1 FRONT PANEL ...................................................................................................................................... 143
8.2 DISPLAY ................................................................................................................................................ 145
8.3 REMOTE CONTROL UNIT .................................................................................................................... 147
Summary of Contents for 1014TX-K - THX Select A/V Receiver
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