Pioneer VSX-521-K, Руководство по обслуживанию

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VSX- 8 21-K
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
1.2 SERVICE NOTICE ..........................................................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
3. BASIC ITEMS FOR SERVICE...............................................................................................................................................9
3.1 CHECK POINTS AFTER SERVICING............................................................................................................................9
3.2 JIGS LIST........................................................................................................................................................................9
3.3 PCB LOCATIONS .........................................................................................................................................................10
4. BLOCK DIAGRAM ...............................................................................................................................................................14
4.1 OVERALL W IRING DIAGRAM......................................................................................................................................14
4.2 AUDIO BLOCK DIAGRAM (for VSX- 8 21-K, VSX-521-K)..............................................................................................16
4.3 AUDIO BLOCK DIAGRAM (for VSX-921-K)..................................................................................................................1 8
4.4 D-MAIN BLOCK DIAGRAM (for VSX- 8 21-K, VSX-521-K) ............................................................................................20
4.5 D-MAIN BLOCK DIAGRAM (for VSX-921-K) ................................................................................................................22
4.6 VIDEO BLOCK DIAGRAM ............................................................................................................................................24
4.7 PO
W ER SUPPLY and MAIN UCOM BLOCK DIAGRAM ..............................................................................................26
5. DIAGNOSIS .........................................................................................................................................................................2 8
5.1 TROUBLESHOOTING ..................................................................................................................................................2 8
5.2 ADAPTER ERROR MESSAGE.....................................................................................................................................44
5.3 USB / iPod ERROR MESSAGE ....................................................................................................................................45
5.4 DETECTION CIRCUIT..................................................................................................................................................46
6. SERVICE MODE .................................................................................................................................................................4 8
6.1 SERVICE MODE...........................................................................................................................................................4 8
7. DISASSEMBLY ....................................................................................................................................................................52
8 . EACH SETTING AND ADJUSTMENT ................................................................................................................................62
8 .1 ADJUSTMENT REQUIRED W HEN THE UNIT IS REPAIRED OR REPLACED ..........................................................62
8 .2 UPDATING OF THE FIRM W ARE..................................................................................................................................63
8 .3 IDLE CURRENT ADJUSTMENT ..................................................................................................................................67
9. EXPLODED VIE W S AND PARTS LIST ...............................................................................................................................70
9.1 PACKING SECTION......................................................................................................................................................70
10. SCHEMATIC DIAGRAM .................................................................................................................................................... 8 0
10.1 AUDIO ASSY .............................................................................................................................................................. 8 0
10.2 AMP ASSY (1/2) (for VSX-921-K) ............................................................................................................................... 8 2
10.3 AMP ASSY (2/2) (for VSX-921-K) ............................................................................................................................... 8 4
10.4 AMP ASSY (1/2) (for VSX- 8 21-K, VSX-521-K) ........................................................................................................... 8 6
10.5 AMP ASSY (2/2) (for VSX- 8 21-K, VSX-521-K) ........................................................................................................... 88
10.6 MAIN ASSY.................................................................................................................................................................90
10.7 SUB
W OOFER, HEADPHONE, MIC, GUIDE L, R, W IRE GUIDE A and B ASSYS ....................................................92
10. 8 VIDEO ASSY ..............................................................................................................................................................94
10.9 F-VIDEO, FRONT and PO W ER ASSYS .....................................................................................................................96
10.10 CPU, BRIDGE A and B ASSYS ................................................................................................................................9 8
10.11 STANDBY ASSY .....................................................................................................................................................100
10.12 D-MAIN ASSY (1/4) ................................................................................................................................................102
10.13 D-MAIN ASSY (2/4) ................................................................................................................................................104
10.14 D-MAIN ASSY (3/4) ................................................................................................................................................106
10.15 D-MAIN ASSY (4/4) ................................................................................................................................................10
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10.16 USB ASSY (VSX- 8 21-K, VSX-921-K only) .............................................................................................................110
10.17 BT ASSY .................................................................................................................................................................112
11. PCB CONNECTION DIAGRAM ......................................................................................................................................114
11.1 AUDIO ASSY ............................................................................................................................................................114
11.2 AMP ASSY (for VSX-921-K) .....................................................................................................................................116
11.3 AMP ASSY (for VSX-
8 21-K, VSX-521-K) .................................................................................................................11 8
11.4 MAIN ASSY...............................................................................................................................................................120
11.5 SUB
W OOFER, HEADPHONE and MIC ASSYS ......................................................................................................124
11.6 GUIDE L, R, W IRE GUIDE A and B ASSYS.............................................................................................................126
11.7 VIDEO ASSY ............................................................................................................................................................12 8
11. 8 F-VIDEO, FRONT and PO W ER ASSYS ...................................................................................................................130
11.9 CPU ASSY ................................................................................................................................................................134
11.10 BRIDGE A and B ASSYS........................................................................................................................................13
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11.11 STANDBY ASSY .....................................................................................................................................................139
11.12 D-MAIN ASSY.........................................................................................................................................................140
11.13 USB ASSY (VSX-
8 21-K, VSX-921-K only) .............................................................................................................144
11.14 BT ASSY .................................................................................................................................................................145
12. PCB PARTS LIST ............................................................................................................................................................146