Table Of Contents - Pioneer SC-27 Service Manual

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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................6
1.1 NOTES ON SOLDERING ...............................................................................................................................................6
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1.2 NOTES ON REPLACING PARTS ...................................................................................................................................6
1.3 CAUTION ........................................................................................................................................................................6
1.4 NOTES ON ASSEMBLING .............................................................................................................................................7
1.5 NOTES ON BENDING SHIELD FFC ..............................................................................................................................8
2. SPECIFICATIONS .................................................................................................................................................................9
2.1 SPECIFICATIONS...........................................................................................................................................................9
2.2 PANEL FACILITIES .......................................................................................................................................................10
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................18
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................18
3.2 PCB LOCATIONS .........................................................................................................................................................19
3.3 JIGS LIST......................................................................................................................................................................21
B 4. BLOCK DIAGRAM...............................................................................................................................................................22
4.1 OVERALL WIRING DIAGRAM......................................................................................................................................22
4.2 BLOCK DIAGRAM FOR AUDIO BLOCK ......................................................................................................................24
4.3 BLOCK DIAGRAM FOR DIGITAL VIDEO AND NW AUDIO .........................................................................................26
4.4 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK (1/4) ..............................................................................................27
4.5 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK (2/4) ..............................................................................................28
4.6 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK (3/4) ..............................................................................................29
4.7 BLOCK DIAGRAM FOR ANALOG VIDEO BLOCK (4/4) ..............................................................................................30
4.8 BLOCK DIAGRAM FOR U-COM BLOCK .....................................................................................................................31
4.9 BLOCK DIAGRAM FOR POWER BLOCK ....................................................................................................................32
5. DIAGNOSIS.........................................................................................................................................................................34
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................34
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5.2 CIRCUIT DESCRIPTION ..............................................................................................................................................50
6. SERVICE MODE .................................................................................................................................................................58
6.1 TEST MODE .................................................................................................................................................................58
7. DISASSEMBLY....................................................................................................................................................................60
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................66
8.1 HOW TO UPDATE FIRMWARE ....................................................................................................................................66
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................76
9.1 PACKING SECTION......................................................................................................................................................76
9.2 EXTERIOR SECTION...................................................................................................................................................78
9.3 REAR SECTION ...........................................................................................................................................................80
9.4 CHASSIS SECTION .....................................................................................................................................................82
9.5 FRONT SECTION .........................................................................................................................................................84
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10. SCHEMATIC DIAGRAM ....................................................................................................................................................86
10.1 AUDIO ASSY ..............................................................................................................................................................86
10.2 DSP ASSY (1/4)..........................................................................................................................................................88
10.3 DSP ASSY (2/4)..........................................................................................................................................................90
10.4 DSP ASSY (3/4)..........................................................................................................................................................92
10.5 DSP ASSY (4/4)..........................................................................................................................................................94
10.6 FRONT-HDMI ASSY ...................................................................................................................................................96
10.7 232C_CONTROL ASSY .............................................................................................................................................98
10.8 DIGITAL MAIN ASSY (1/7)........................................................................................................................................100
10.9 DIGITAL MAIN ASSY (2/7)........................................................................................................................................106
10.10 DIGITAL MAIN ASSY (3/7)......................................................................................................................................108
10.11 DIGITAL MAIN ASSY (4/7)......................................................................................................................................110
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10.12 DIGITAL MAIN ASSY (5/7)......................................................................................................................................112
10.13 DIGITAL MAIN ASSY (6/7)......................................................................................................................................114
10.14 DIGITAL MAIN ASSY (7/7)......................................................................................................................................116
10.15 INTERFACE ASSY..................................................................................................................................................118
10.16 COMPONENT ASSY ..............................................................................................................................................120
10.17 COMPOSITE_S ASSY (1/2) ...................................................................................................................................122
10.18 COMPOSITE_S ASSY (2/2) ...................................................................................................................................124
10.19 FRONT BRIDGE ASSY ..........................................................................................................................................126
10.20 MIC HP ASSY .........................................................................................................................................................128
10.21 DISPLAY, VOL AND POWER SW ASSYS ..............................................................................................................130
10.22 ICE_BUFFER AND ICE SHIELD ASSYS ...............................................................................................................132
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10.23 ICE INTERFACE ASSY...........................................................................................................................................134
10.24 ICEPOWER AMP ASSY (1/5) .................................................................................................................................136
10.25 ICEPOWER AMP ASSY (2/5) .................................................................................................................................138
10.26 ICEPOWER AMP ASSY (3/5) .................................................................................................................................140
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