VSX-517-K
4
1
2
3
4
1
2
3
4
C
D
F
A
B
E
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
2.1 PACKING SECTION .................................................................................................................................. 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 12
3.1 BLOCK DIAGRAM ................................................................................................................................... 12
3.2 OVERALL WIRING CONNECTION DIAGRAM........................................................................................ 14
3.3 MAIN ASSY (1/3) ..................................................................................................................................... 16
3.4 MAIN ASSY (2/3) ..................................................................................................................................... 18
3.5 MAIN ASSY (3/3) ..................................................................................................................................... 20
3.6 DSP ASSY (1/2)....................................................................................................................................... 22
3.7 DSP ASSY (2/2)....................................................................................................................................... 24
3.8 POWER PACK ASSY (1/2) , TRANS2 and TRANS3 ASSYS .................................................................. 26
3.9 POWER PACK ASSY (2/2) ...................................................................................................................... 28
3.10 COMPONENT VIDEO, HEAD PHONE and 5.1CH INPUT ASSYS ....................................................... 30
3.11 ROTARY ENCODER, FRONT DISPLAY and POWER KEY ASSYS ..................................................... 32
3.12 TRANS4, REGULATOR, VIDEO, DIGITAL INPUT, PRIMARY and TRANS1 ASSY............................... 34
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36
4.1 DIGITAL INPUT ASSY ............................................................................................................................. 37
4.2 MAIN ASSY ............................................................................................................................................. 38
4.3 DSP ASSY ............................................................................................................................................... 42
4.4 TRANS2 and TRANS3 ASSYS ................................................................................................................ 43
4.5 POWER PACK ASSY............................................................................................................................... 44
4.6 COMPONENT VIDEO ASSY ................................................................................................................... 48
4.7 HEADPHONE and 5.1CH INPUT ASSYS ............................................................................................... 49
4.8 FRONT DISPLAY ASSY .......................................................................................................................... 50
4.9 ROTARY ENCODER and POWER KEY ASSYS ..................................................................................... 54
4.10 TRANS4 and REGULATOR ASSYS ...................................................................................................... 56
4.11 VIDEO ASSY ......................................................................................................................................... 57
4.12 PRIMARY and TRANS1 ASSYS ............................................................................................................ 58
5. PCB PARTS LIST ........................................................................................................................................... 60
6. ADJUSTMENT ............................................................................................................................................... 70
7. GENERAL INFORMATION ............................................................................................................................. 71
7.1 DIAGNOSIS ............................................................................................................................................. 71
7.1.1 DSP TROUBLESHOOTING .............................................................................................................. 71
7.1.2 DISASSEMBLY.................................................................................................................................. 76
7.2 PARTS...................................................................................................................................................... 80
7.2.1 IC ....................................................................................................................................................... 80
7.3 EXPLANATION ........................................................................................................................................ 83
7.3.1 DETECTION CIRCUIT ...................................................................................................................... 83
7.3.2 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 85
7.3.3 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 87
8. PANEL FACILITIES ........................................................................................................................................ 88