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VSX-03TXH
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................6
2. SPECIFICATIONS .................................................................................................................................................................7
2.1 ACCESSORIES ..............................................................................................................................................................7
2.2 SPECIFICATIONS...........................................................................................................................................................8
2.3 PANEL FACILITIES .........................................................................................................................................................9
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................16
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................16
3.2 PCB LOCATIONS .........................................................................................................................................................17
3.3 JIGS LIST .....................................................................................................................................................................19
4. BLOCK DIAGRAM...............................................................................................................................................................20
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................20
4.2 BLOCK DIAGRAM FOR AUDIO BLOCK ......................................................................................................................22
4.3 BLOCK DIAGRAM FOR VIDEO BLOCK ......................................................................................................................23
4.4 BLOCK DIAGRAM FOR HDMI & DVC..........................................................................................................................25
4.5 BLOCK DIAGRAM FOR USB BLOCK ..........................................................................................................................26
4.6 BLOCK DIAGRAM FOR U-COM BLOCK .....................................................................................................................27
4.7 BLOCK DIAGRAM FOR POWER SUPPLY BLOCK .....................................................................................................28
5. DIAGNOSIS.........................................................................................................................................................................29
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................29
5.2 CIRCUIT DESCRIPTION ..............................................................................................................................................61
6. SERVICE MODE .................................................................................................................................................................64
6.1 TEST MODE .................................................................................................................................................................64
7. DISASSEMBLY....................................................................................................................................................................67
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................71
8.1 HOW TO UPDATE FIRMWARE ....................................................................................................................................71
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................76
9.1 PACKING SECTION .....................................................................................................................................................76
9.2 EXTERIOR SECTION...................................................................................................................................................78
9.3 CHASSIS SECTION .....................................................................................................................................................80
9.4 POWER AMP SECTION...............................................................................................................................................82
9.5 FRONT PANEL SECTION ............................................................................................................................................84
10. SCHEMATIC DIAGRAM ....................................................................................................................................................86
10.1 AUDIO IN ASSY (1/2) .................................................................................................................................................86
10.2 AUDIO IN ASSY (2/2) .................................................................................................................................................88
10.3 MAIN ASSY (1/4) ........................................................................................................................................................90
10.4 MAIN ASSY (2/4) ........................................................................................................................................................92
10.5 MAIN ASSY (3/4) ........................................................................................................................................................94
10.6 MAIN ASSY (4/4) ........................................................................................................................................................96
10.7 DSP & USB ASSY (1/5) ..............................................................................................................................................98
10.8 DSP & USB ASSY (2/5) ............................................................................................................................................100
10.9 DSP & USB ASSY (3/5) ............................................................................................................................................102
10.10 DSP & USB ASSY (4/5) ..........................................................................................................................................104
10.11 DSP & USB ASSY (5/5) ..........................................................................................................................................106
10.12 FRONT IN ASSY.....................................................................................................................................................108
10.13 INTERFACE ASSY .................................................................................................................................................110
10.14 HDMI & DVC ASSY (1/2) ........................................................................................................................................112
10.15 HDMI & DVC ASSY (2/2) ........................................................................................................................................114
10.16 BINDER, BIND L FRONT, BIND L BACK, BIND R FRONT and BIND R BACK ASSYS ........................................116
10.17 POSI1, POSI2 and POSI3 ASSYS .........................................................................................................................117
10.18 DISPLAY ASSY.......................................................................................................................................................118
10.19 MULTI JOG, POWER SW, DIODE, HEADPHONE, PRIMARY and DC/DC ASSYS...............................................120
10.20 POWER AMP ASSY (1/2).......................................................................................................................................122
10.21 POWER AMP ASSY (2/2).......................................................................................................................................124
10.22 PRE-STAGE AMP ASSY ........................................................................................................................................126
10.23 REGULATOR ASSY................................................................................................................................................128
11. PCB CONNECTION DIAGRAM ......................................................................................................................................131
11.1 AUDIO IN ASSY........................................................................................................................................................132
11.2 MAIN ASSY ..............................................................................................................................................................136
11.3 DSP & USB ASSY ....................................................................................................................................................140
11.4 FRONT IN ASSY.......................................................................................................................................................142
11.5 INTERFACE ASSY ...................................................................................................................................................144
11.6 HDMI & DVC ASSY...................................................................................................................................................146
11.7 BINDER, BIND L FRONT and BIND L BACK ASSYS ..............................................................................................150
11.8 BIND R FRONT, BIND R BACK ASSYS ...................................................................................................................151