VSX-516-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 ................................................................................................................................................... 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 (1/2), TRANS 2 and TRANS 3 ASSYS ............................................................................ 26
3.9 POWER PACK ASSY (2/2) ...................................................................................................................... 28
3.10 COMPONENT ASSY ............................................................................................................................. 30
3.11 HEADPHONE and 5.1CHIN ASSYS ..................................................................................................... 31
3.12 FRONT DISPLAY, R. ENCODER and POWER KEY ASSYS ................................................................ 32
3.13 TRANS 4 and REGULATOR ASSYS ..................................................................................................... 34
3.14 VIDEO, DIGITAL IN, PRIMARY and TRANS 1 ASSYS.......................................................................... 36
3.15 USB ASSY ............................................................................................................................................. 38
3.16 USB IN ASSY ........................................................................................................................................ 40
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 42
4.1 USB IN ASSY .......................................................................................................................................... 43
4.2 MAIN ASSY ............................................................................................................................................. 44
4.3 DSP ASSY ............................................................................................................................................... 48
4.4 POWER PACK ASSY............................................................................................................................... 52
4.5 TRANS2, TRANS3, TRANS4 and TRANS1 ASSYS ................................................................................ 56
4.6 COMPONENT ASSY ............................................................................................................................... 58
4.7 HEADPHONE and 5.1 CHIN ASSYS ...................................................................................................... 59
4.8 FRONT DISPLY, R. ENCODER and POWER KEY ASSYS ..................................................................... 60
4.9 REGULATOR and DIGITAL IN ASSYS .................................................................................................... 64
4.10 VIDEO ASSY ......................................................................................................................................... 65
4.11 PRIMARY ASSY .................................................................................................................................... 66
4.12 USB ASSY ............................................................................................................................................. 68
5. PCB PARTS LIST ........................................................................................................................................... 69
6. ADJUSTMENT ............................................................................................................................................... 91
7. GENERAL INFORMATION ............................................................................................................................. 92
7.1 DIAGNOSIS ............................................................................................................................................. 92
7.1.1 DISASSEMBLY.................................................................................................................................. 92
7.2 PARTS...................................................................................................................................................... 95
7.2.1 IC ....................................................................................................................................................... 95
7.3 EXPLANATION ...................................................................................................................................... 109
7.3.1 DETECTION CIRCUIT .................................................................................................................... 109
7.3.2 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION............................................ 111
7.3.3 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART ........................................................................ 113
7.3.4 USB Module .................................................................................................................................... 114
8. PANEL FACILITIES ...................................................................................................................................... 120
