VSX-515-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 ............................................................................................................ 7
2.1 PACKING ................................................................................................................................................... 7
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 AMP & PRIMARY (1/2), TRANS2 and TRANS3 ASSYS ......................................................................... 26
3.9 AMP&PRIMARY(2/2), REGULATOR, AMP INPUT and TRANS1 ASSYS ............................................... 28
3.10 VIDEO and 5.1CH ASSYS ..................................................................................................................... 30
3.11 FRONT DISPLAY, R. ENCODER, P. SW&FUNC KEY and F. KEY ASSYS ........................................... 32
3.12 TRANS4, H.P., D. IN and COMPONENT ASSYS .................................................................................. 34
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36
4.1 REGULATOR ASSY................................................................................................................................. 36
4.2 TRANS2, TRANS3, TRANS1 and TRANS4 ASSYS ................................................................................ 37
4.3 MAIN ASSY ............................................................................................................................................. 38
4.4 DSP ASSY ............................................................................................................................................... 42
4.5 AMP & PRIMARY and AMP INPUT ASSYS ............................................................................................ 44
4.6 F. DISPLAY, R. ENCODER, P. SW & KEY, H. P. and F. KEY ASSYS ....................................................... 46
4.7 DIGITAL IN, VIDEO and 5.1CH ASSYS................................................................................................... 50
4.8 COMPONENT ASSY ............................................................................................................................... 52
5. ELECTRICAL PARTS LIST ............................................................................................................................ 53
6. ADJUSTMENT ............................................................................................................................................... 57
7. GENERAL INFORMATION ............................................................................................................................. 58
7.1 DIAGNOSIS ............................................................................................................................................. 58
7.1.1 DISASSEMBLY.................................................................................................................................. 58
7.2 PARTS...................................................................................................................................................... 60
7.2.1 IC ....................................................................................................................................................... 60
7.3 EXPLANATION ........................................................................................................................................ 66
7.3.1 POWER ON AND OFF INITIAL TIMING CHART .............................................................................. 66
7.3.2 IC DATA TRANSMISSION TIMING CHART....................................................................................... 68
7.3.3 DETECTION CIRCUIT ...................................................................................................................... 71
7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 72
7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 74
7.4 CLEANING............................................................................................................................................... 74
8. PANEL FACILITIES ........................................................................................................................................ 75
