Onkyo TX-SR875 Service Manual page 42

A
SCHEMATIC DIAGRAM-17 (SD-17)
HDMI SECTION-3
1
2
3
4
5
B
NAHDM-9114(3/5)
U42
DTA144EE
DTC144EE
R8013
Q8109
1K
Q8108
102J
C8031
C8033 R8019
19
HP DET 105Z 0
18
+5V
C8034 104Z
17
GND
5
SDA GND
16
DDC DATA 6
SCL A2
15
DDC CLK 7
WP A1
14
NC
8
13 CEC VCC A0
CERemote
12
CK-
Q8105
11
CK Shield
10
CK+
Q8104
9 BR24L02FV-W
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
C8030 102J
DTA144EE
R8033
DTC144EE
Q8129
1K
Q8128
102J
C8041
C8043 105Z R8039
19
HP DET 0
18
+5V C8044 104Z
17
GND
5
16 SDA GND
DDC DATA
6
15 SCL A2
DDC CLK
7
WP A1
14
NC 8
VCC A0
13 CEC
CERemote
12
CK-
Q8125
11
CK Shield
10
CK+
Q8124
BR24L02FV-W
9
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
102J
C8040
DTA144EE
R8063
DTC144EE
Q8159
1K
Q8158
102J
C8081
C8083 105Z R8069
19
HP DET 0
18
+5V C8084 104Z
17
GND
5
16 SDA GND
DDC DATA 6
15 SCL A2
DDC CLK 7
14 WP A1
NC 8
VCC A0
13 CEC
CERemote
12
CK-
Q8155
11
CK Shield
10
CK+
9 Q8154 BR24L02FV-W
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
102J
DTA144EE
C8080
DTC144EE
R8083
Q8179
1K
Q8178
102J
C8091
C8093 105Z R8089
19
HP DET 0
18
+5V C8094 104Z
17
GND 5
SDA GND
16
DDC DATA 6
SCL A2
15
DDC CLK 7
14 WP A1
NC
8
13 CEC VCC A0
CERemote
12
CK- Q8175
11
CK Shield
10
CK+
Q8174
9 BR24L02FV-W
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
102J
C8090
C
HDMI PC BOARD
PRODDC4
R4HPR
+3.3V
+3_3VHD1
4
3
SDADDC4
R8021
2
0
1
SCLDDC4
R8020 0
Q8102
2SK3019
PRODDC3
R3HPR
R8005
10K
Q8103 C8029
+3_3VHD1
105Z
+3.3V
2SK3019
4
3
SDADDC3
R8041
2
0
1
SCLDDC3
R8040 0
PRODDC1
R1HPR
+3_3VHD1
+3.3V
4
3
SDADDC1
R8071
2
0
1
SCLDDC1
R8070
0
Q8152
2SK3019
PRODDC2
R2HPR
R8055
10K
Q8153 C8079
+3_3VHD1 105Z
+3.3V
2SK3019
4
3
SDADDC2
R8091
2
0
1
SCLDDC2
R8090
0
TX-SR875
57
e_PAD
56 15
AUX_A0 DVCC
55 16
AUX_A1 ON0
54 17
AUX_A2 OP0
53 18
AUX_A3 VTTO
52 19
DVEE ON1
51 20
AUX_COM0 OP1
50 21
AUX_COM1 Q8101 DVCC
49 22
AUX_COM2 ON2
AD8196
48 23
AUX_COM3 OP2
47 24
HDMI INPUT MULTIPLEX
AMUXVCC VTTO
46 25
AUX_B0 ON3
45 26
28:I2C_SCL
AUX_B1 OP3
44 27
AUX_B2 RESET
43 28
AUX_B3
+5.0V
C8028 102K
C8027
+3.3V
105Z
C8021
105Z
57
e_PAD
56 15
AUX_A0 DVCC
55 16
AUX_A1 ON0
54 17
AUX_A2 OP0
53 18
AUX_A3 VTTO
52 19
DVEE ON1
51 20
AUX_COM0 OP1
Q8151
50 21
AUX_COM1 DVCC
49 22
AD8196
AUX_COM2 ON2
48 23
AUX_COM3 OP2
HDMI INPUT MULTIPLEX
47 24
AMUXVCC VTTO
46 25
ON3
AUX_B0
45 26
28:I2C_SCL
AUX_B1 OP3
44 27
AUX_B2 RESET
43 28
AUX_B3
+5.0V
C8078 102K
C8077
+3.3V
105Z
C8071
105Z
D
C8011 102K
105Z
C8010
102K
C8009
105Z
C8008
C8007 102K
105Z
C8006
C8005 102K
105Z
C8004
R8001
C8019
10K 102K
C8012 105Z
C8003
22/4
C8061 102K
105Z
C8060
102K
C8059
105Z
C8058
102K
C8057
105Z
C8056
C8055 102K
105Z
C8054
R8051
10K C8069 102K
C8062 105Z
C8053
22/4
+5VHD
+3_3VHD1