Onkyo TX-SR804 Service Manual page 19

A B
BLOCK DIAGRAM-3
VIDEO SECTION-2
NAVD-8824
1
HDMI BOARD
HDASY
HDASC
HDACV
HDAPY
HDAPB
HDAPR
2
Q8506
BR24L02FV
EEPROM
SDA_DDC1
SDA_DDC1
Q8504
P8501
D2+/-
D1+/-
3
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
+5V
HP DET
+3.3V
Q8505
Q8606
BR24L02FV
EEPROM
SDA_DDC2
SDA_DDC2
Q8604
P8601
D2+/-
4
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
+5V
HP DET
Q8605
+3.3V
5
C
Q8101
ADV7401
Video Decoder
71 15
HDASY RTC
75 36
HDASC LLC
73 99
HDACV VS
76_77 4
HDAPY HC/CS
74 98
HDAPB FIELD/DE
72
HDAPR CR(P20-29)
CB(P0-P9)
Y(P10-19)
Q8003
IC42S3220L
SDRAM 64M
INT_VS
LLC
VSYNC
HSYNC Q8001
FIELD/DE
SII504
ITU656
I/P converter
PRODDC1
51_52
R0X2+/-
47_48 121
R0X1+/- ODCK
43_44 3
R0X0+/- VSYNC
39_40 2
R0XC+/- HSYNC
1
DE
119_110
CR(O16-023)
31 144_133
DSDA0 CB(O0-O7)
32 132_123
DSCL0 Y(O8-O15)
+3.3V
78
SPDIF
84-81
SD0-3
+3_3V
34 85
Q8505
R0PWR5V WS
86
SCK
R1_HPR R8514 33
87
MCLKIN
88
MCLKOUT
PRODDC2
Q8501
SII9033
HDMI Receiver
70_71
R1X2+/-
66_67
R1X1+/-
62_62
R1X0+/-
58_59
R1XC+/-
30
DSDA1
29
DSCL1
+3.3V
+3_3V
Q8605 33
R0PWR5V
R2_HPR
D E
RTC
LLC
VSYNC VSYNC
HSYNC HSYNC
FIELD/DE FIELD/DE
CR(P20-29)
CB(P0-09)
Y(P10-19)ITU656
67
/VST
SDA_IP
SCL_IP
Q8002
MC504
8 bit Micro
Processor IP_RST
Q8104,Q8105
TEST0
HDOE
TC74VCX162244
1OE
ICDK ICDK
VSYNC VSYNC
HSYNC HSYNC
FIELD/DE FIELD/DE
CB CB
Y Y
CR CR
SPDIF
SD0_3
LRCK_HDMI
BCK_HDMI
MCLK
DSP BOARD
(NADG-8996)
F G
Q8801
ADV7172
Video Encoder
1 16 HDBPY
RTC HDBPY
2 15 HDBPB
LLC HDBPB
3 14 HDBPR
VSYNC HDBPR
4 13 HDBSY
HSYNC HDBSY
5 12 HDBCV
FIELD/DE HDBCV
11 HDBSC
HDBSC
8
Y(P10-19)
+3.3V
R8333
1K
Switch
35_6
TX2+/-
66 32_33
IDCK TX1+/-
2 29_30
VSYNC TX0+/-
1 26_27
HSYNC TXC+/-
80
DE
56_49
D16-23
79_68 20
D0-7 DSCL
67_57 19
D8-15 Q8401 DSDA
SII9030
10-7 HDMI Transmitter
SD0-3
11
WS
12
+3.3V
SCK
6
MCLK
18
HPD
5
SPDIF
Q8306
TC7SZ08
VD_SCK
VD_SI
VD_SO
VD_STB
Q8701
VSYSRST
MPD70F3716GC
RXMUTE
Micro Processor for HDMI
TXMUTE
TX-SR804/804E
H
P6302
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
Q8305
NJM2860F3