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VSX-819H-K
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
1.2 CAUTION ........................................................................................................................................................................5
2. SPECIFICATIONS .................................................................................................................................................................6
2.1 SPECIFICATIONS...........................................................................................................................................................6
2.2 PANEL FACILITIES .........................................................................................................................................................7
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................11
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................11
3.2 PCB LOCATIONS .........................................................................................................................................................12
3.3 JIGS LIST......................................................................................................................................................................13
4. BLOCK DIAGRAM...............................................................................................................................................................14
4.1 OVERALL CONNECTION DIAGRAM ...........................................................................................................................14
4.2 AUDIO BLOCK DIAGRAM ............................................................................................................................................16
4.3 VIDEO BLOCK DIAGRAM ............................................................................................................................................18
4.4 U-COM BLOCK DIAGRAM ...........................................................................................................................................19
4.5 POWER SUPPLY BLOCK DIAGRAM ...........................................................................................................................20
5. DIAGNOSIS .........................................................................................................................................................................21
5.1 DIAGNOSIS FLOWCHART...........................................................................................................................................21
5.2 DETECTION CIRCUIT ..................................................................................................................................................34
6. SERVICE MODE .................................................................................................................................................................37
6.1 SERVICE MODE...........................................................................................................................................................37
7. DISASSEMBLY....................................................................................................................................................................40
7.1 DISASSEMBLY .............................................................................................................................................................40
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................48
8.1 IDLE CURRENT ADJUSTMENT ..................................................................................................................................48
9. EXPLODED VIEWS AND PARTS LIST ...............................................................................................................................50
9.1 PACKING SECTION......................................................................................................................................................50
9.2 EXTERIOR SECTION...................................................................................................................................................52
10. SCHEMATIC DIAGRAM ....................................................................................................................................................56
10.1 P.C.B SUB ASSY (MAIN) and P.C.B SUB ASSY (P/T)................................................................................................56
10.2 P.C.B SUB ASSYS (FRONT), (VOLUME), (FUNCTION), (HEADPHONE), (F-VIDEO) and (MIC) .............................58
10.3 P.C.B SUB ASSY (AMP) .............................................................................................................................................60
10.4 P.C.B SUB ASSY (INPUT-819)....................................................................................................................................62
10.5 P.C.B SUB ASSY (VIDEO-819)...................................................................................................................................64
10.6 P.C.B SUB ASSY (SPEAKER-819) and P.C.B SUB ASSY (CNT)...............................................................................66
10.7 P.C.B SUB ASSY (DSP) (1/2) .....................................................................................................................................68
10.8 P.C.B SUB ASSY (DSP) (2/2) .....................................................................................................................................70
10.9 P.C.B SUB ASSY (USB)..............................................................................................................................................72
11. PCB CONNECTION DIAGRAM ........................................................................................................................................74
11.1 P.C.B SUB ASSY (MAIN) and P.C.B SUB ASSY (P/T)................................................................................................74
11.2 P.C.B SUB ASSYS (FRONT) ......................................................................................................................................78
11.3 P.C.B SUB ASSYS (VOLUME), (FUNCTION), (HEADPHONE), (F-VIDEO) and (MIC)..............................................80
11.4 P.C.B SUB ASSY (AMP) .............................................................................................................................................82
11.5 P.C.B SUB ASSY (INPUT-819)....................................................................................................................................84
11.6 P.C.B SUB ASSY (VIDEO-819)...................................................................................................................................86
11.7 P.C.B SUB ASSY (SPEAKER-819) .............................................................................................................................90
11.8 P.C.B SUB ASSY (DSP) and P.C.B SUB ASSY (CNT) ...............................................................................................92
11.9 P.C.B SUB ASSY (HDMI-819).....................................................................................................................................96
11.10 P.C.B SUB ASSY (USB)............................................................................................................................................98
12. PCB PARTS LIST ..............................................................................................................................................................99
Summary of Contents for VSX-819H-K - AV Receiver - Gloss
Page 19: ...19 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F 4 4 U COM BLOCK DIAGRAM P C B SUB ASSY FRONT C ...
Page 49: ...49 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 55: ...55 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 61: ...61 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F J CN401 M CP107 A FL FL FL SL SL SL C C C ...
Page 71: ...71 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F P 2 2 CN805 R 116 ...
Page 73: ...73 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F R CP105 A CP705 C ...
Page 77: ...77 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F B A SIDE B B P C B SUB ASSY P T ...
Page 83: ...83 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F J 01 SIDE A SIDE B ...
Page 87: ...87 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F L SIDE A ...
Page 89: ...89 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F L SIDE B ...
Page 95: ...95 VSX 819H K 5 6 7 8 5 6 7 8 A B C D E F P N SIDE B ...