Table Of Contents - Pioneer VSX-918V-S Service Manual

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CONTENTS
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SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
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1.2 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART........................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 PANEL FACILITIES .........................................................................................................................................................7
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................13
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................13
3.2 JIGS LIST .....................................................................................................................................................................13
3.3 PCB LOCATIONS .........................................................................................................................................................14
4. BLOCK BIAGRAM ...............................................................................................................................................................16
4.1 OVERALL WIRING CONNECTION DIAGRAM (VSX-918V) ........................................................................................16
4.2 OVERALL WIRING CONNECTION DIAGRAM (VSX-818V) ........................................................................................18
4.3 BLOCK DIAGRAM (VSX-918V) ....................................................................................................................................20
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4.4 BLOCK DIAGRAM (VSX-818V) ....................................................................................................................................22
4.5 DSP BLOCK DIAGRAM................................................................................................................................................24
4.6 HDMI BLOCK DIAGRAM ..............................................................................................................................................25
4.7 USB BLOCK DIAGRAM................................................................................................................................................26
5. DIAGNOSIS.........................................................................................................................................................................27
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................27
5.2 DETECTION CIRCUIT..................................................................................................................................................45
5.3 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION .........................................................................47
6. SERVICE MODE .................................................................................................................................................................49
7. DISASSEMBLY....................................................................................................................................................................50
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................55
8.1 HOW TO UPDATE FIRMWARE ....................................................................................................................................55
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9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................56
9.1 PACKING SECTION .....................................................................................................................................................56
9.2 EXTERIOR SECTION...................................................................................................................................................58
9.3 REAR PANEL SECTION...............................................................................................................................................60
9.4 FRONT PANEL SECTION ............................................................................................................................................62
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L 13942296513
10. SCHEMATIC DIAGRAM ....................................................................................................................................................64
10.1 MAIN ASSY (1/3) ........................................................................................................................................................64
10.2 MAIN ASSY (2/3) ........................................................................................................................................................66
10.3 MAIN ASSY (3/3) ........................................................................................................................................................68
10.4 DSP & USB ASSY (1/4) ..............................................................................................................................................70
10.5 DSP & USB ASSY (2/4) ..............................................................................................................................................72
10.6 DSP & USB ASSY (3/4) ..............................................................................................................................................74
10.7 DSP & USB ASSY (4/4) ..............................................................................................................................................76
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10.8 POWER PACK (1/2) and TRANS2 ASSYS.................................................................................................................78
10.9 POWER PACK ASSY (2/2) .........................................................................................................................................80
10.10 COMPONENT VIDEO, 5.1CH INPUT and TRANS3 ASSYS ...................................................................................82
10.11 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ...............................................................84
10.12 DIGITAL INPUT, REGULATOR and HEAD PHONE ASSYS.....................................................................................86
10.13 VIDEO, PRIMARY and FRONT VIDEO ASSYS .......................................................................................................88
10.14 FRONT IN ASSY.......................................................................................................................................................90
10.15 HDMI & DSP & USB ASSY (1/5) ..............................................................................................................................92
10.16 HDMI & DSP & USB ASSY (2/5) ..............................................................................................................................94
10.17 HDMI & DSP & USB ASSY (3/5) ..............................................................................................................................96
10.18 HDMI & DSP & USB ASSY (4/5) ..............................................................................................................................98
10.19 HDMI & DSP & USB ASSY (5/5) ............................................................................................................................100
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11. PCB CONNECTION DIAGRAM ......................................................................................................................................102
11.1 DSP & USB and HDMI ASSYS.................................................................................................................................102
11.2 MAIN ASSY ..............................................................................................................................................................106
11.3 POWER PACK ASSY................................................................................................................................................110
11.4 TRANS2 and TRANS3 ASSYS.................................................................................................................................114
11.5 COMPONENT VIDEO ASSY ....................................................................................................................................116
11.6 5.1CH INPUT and HEAD PHONE ASSYS ...............................................................................................................117
www 11.7 FRONT DISPLAY, ROTARY ENCODER, POWER KEY and JOG ASSYS ...............................................................118
11.8 DIGITAL INPUT and FRONT VIDEO ASSYS ...........................................................................................................122
11.9 REGULATOR ASSY..................................................................................................................................................123
11.10 VIDEO ASSY ..........................................................................................................................................................124
11.11 FRONT IN ASSY.....................................................................................................................................................125
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11.12 PRIMARY ASSY .....................................................................................................................................................126
11.13 HDMI & DSP & USB ASSY.....................................................................................................................................128
12. ELECTRICAL PARTS LIST .............................................................................................................................................132
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