VSX-D814-K
4
12
34
12
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), REG. , AMP INPUT and TRANS1 ASSYS ........................................................ 28
3.10 VIDEO, 5.1CH, B TO B and S. VIDEO ASSYS ...................................................................................... 30
3.11 FRONT DISPLAY, R. ENCODER, P. SW & FUNC. KEY and FRONT KEY ASSYS .............................. 32
3.12 TRANS4, H.P., PRE-OUT, D.IN, COMP. and F. VIDEO&OPT&MIC 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&FUNC. KEY, H. P. and F. KEY ASSYS ............................................. 46
4.7 B TO B, DIGITAL IN, VIDEO and 5.1CH ASSYS ..................................................................................... 50
4.8 S.VIDEO, F. VIDEO&OPT&MIC, COMPONENT and PRE-OUT ASSYS ................................................. 52
5. PCB PARTS LIST ........................................................................................................................................... 54
6. ADJUSTMENT ............................................................................................................................................... 59
7. GENERAL INFORMATION ............................................................................................................................. 60
7.1 DIAGNOSIS ............................................................................................................................................. 60
7.1.1 DISASSEMBLY.................................................................................................................................. 60
7.2 PARTS...................................................................................................................................................... 62
7.2.1 IC ....................................................................................................................................................... 62
7.2.2 DISPLAY ............................................................................................................................................ 68
7.3 EXPLANATION ........................................................................................................................................ 70
7.3.1 POWER ON AND OFF INITIAL TIMING CHART .............................................................................. 70
7.3.2 IC DATA TRANSMISSION TIMING CHART....................................................................................... 72
7.3.3 DETECTION CIRCUIT ...................................................................................................................... 73
7.3.4 AMPLIFIER SYSTEM PROTECTION OPERATION SPECIFICATION.............................................. 74
7.3.5 AMPLIFIER FAILURE DIAGNOSIS FLOW CHART .......................................................................... 76
7.4 CLEANING............................................................................................................................................... 76
8. PANEL FACILITIES ........................................................................................................................................ 77