Onkyo TX-SR804, Service Manual

Page: 14 / 237

TX-SR804/804E
BLOCK DIAGRAM-2
VIDEO SECTION-1
TX-SR804/804E
A
1
2
3
4
5
B C D E F G H
47_CYOUT2
45_CYOUT3 21_CY4
42_PBOUT1
41_PBOUT2
27_PB4
39_PROUT1
37_PROUT2
33_PR4 77_V7
69_VOUT1 60_YOUT1 48_COUT4
63_VOUT4
68_VOUT2
66_VOUT3
5_Y7
59_YOUT2
57_YOUT3
71_V1
72_V2
74_V4
75_V5
73_V3
79_Y1
80_Y2
3_Y5
2_Y4
1_Y3
8_C1
9_C2
11_C4
12_C5
10_C3
52_COUT1
51_COUT2
15_C7
18_CY1
19_CY2
20_CY3
24_PB1
25_PB2
26_PB3
30_PR1
31_PR2
32_PR3
55_YOUT4
16_C8
50_COUT3
6_Y8
78_V8
Y
PB
PR
V_Y C CB CR V Y Y C
VIDEO 1
DVD
VIDEO 2
VIDEO 3
VIDEO 4
Y C
Y C
Y C
Y
C
Y C
(FRONT)
DVD
VIDEO1
VIDEO2
VIDEO3
(FRONT)
VIDEO4
COMPOSITE VIDEO INPUT
S VIDEO INPUT
MONITOR
VIDEO 1
VIDEO 2
C
Y
MONITOR
C Y
VIDEO 1
VIDEO 2
C Y
V
Y
C
Y
CB
CR
CONVERT
CONVERT
Y CB CR
COMPONENT
VIDEO OUTPUT
COMPOSITE
VIDEO OUTPUT
S VIDEO
OUTPUT
Q4002 AN15881A
SDET*OSD
SDET*OSD
OSD*{SDET+(SDET*SI)}
SDET*OSD
SDET*{OSD+(OSD*SI)}
OSD*{SDET+(SDET*SI)}
CONVERT
OSD*{SDET+(SDET*SI)}
SDET*{OSD+(OSD*SI)}
SDET*{OSD+(OSD*SI)}
OSD*(SDET*SI)
SDET
SDET
S SIGNAL
DETECT CIRCUIT
OSD
16
7 8 9
18
Q4004
LC74763-9836
To Micro Processor
6dB
6dB
6dB
0dB 0dB 0dB
4/6dB
4/6dB
4/6dB
0dB
0 0
0 0
0 0
6dB
6dB
6dB
6dB
6dB
6dB
0dB
Note
"CONVERT" means analog video up-conversion.
Coversion from HDMI to analog video is prohibited.
NAVD-8991
VIDEO BOARD
NAVD-8824
HDMI BOARD
Y
PB
COMPONENT
VIDEO IN 3
PR
Y
PB
COMPONENT
VIDEO IN 1
PR
Y
PB
COMPONENT
VIDEO IN 2
PR
Q4002 AN15881A