Onkyo TX-SR875 - Page 23

TX-SR875
SCHEMATIC DIAGRAMS-17 (SD-17)
HDMI SECTION-3
A
1
2
3
4
5
BCDEFGH
GND
GND
CEC
R0PWR5V
R1X1P
R1X0P
R1X2P
R1XCN
R1XCP
R1X0N
R1X1N
R1X2N
CEC
DSDA0
DSCL0
CEC
CEC
CEC
R0XCP
R0X1P
R0X1N
R0X2N
R0X2P
R0XCN
R4HPR
SDADDC4
SCLDDC4
PRODDC3
R3HPR
SDADDC3
SCLDDC3
+3_3VHD1
R1HPR
PRODDC1
+3_3VHD1
SDADDC1
SCLDDC1
R2HPR
PRODDC2
+3_3VHD1
SDADDC2
SCLDDC2
R0X0N
R0X0P
DSDA1
DSCL1
R1PWR5V
HDMSDA
HDMSCL
RST_RXSW1
CEC
HDMSDA
HDMSCL
RST_RXSW0
+5VHD
+3_3VHD1
GND
+5VHD
+3_3VHD1
+3_3VHD1
PRODDC4
TO SD-18:B2
TMDS/DDC DATA
TO SD-18:H3
VIDEO MPU
HDMI IN1
HDMI IN2
HDMI IN4
HDMI IN3
HDMI INPUT MULTIPLEX
HDMI INPUT MULTIPLEX
R8023
47K
R8043
47K
R8004
4.7K
R8012
47K
R8013
1K
R8032
47K
R8033
1K
R8036
0
C8046
100/4
C8015
102K
C8016
105Z
C8017
102K
C8018
105Z
C8010
105Z
C8011
102K
C8008
105Z
C8009
102K
C8019
102K
C8031
102J
C8036
100/4
C8041
102J
C8030
102J
C8001
102K
R8001
10K
C8006
105Z
C8007
102K
C8005
102K
C8004
105Z
C8003
22/4
C8012
105Z
C8027
105Z
C8028 102K
C8023
105Z
C8024
102K
C8025
105Z
C8029
105Z
C8021
105Z
C8014
105Z
C8013
102K
Q8109
DTC144EE
Q8129
DTC144EE
C8026
102K
C8040
102J
R8066
0
R8073
47K
R8093
47K
R8054
4.7K
R8062
47K
R8063
1K
R8082
47K
R8083
1K
R8086
0
C8096
100/4
C8065
102K
C8066
105Z
C8067
102K
C8068
105Z
C8060
105Z
C8061
102K
C8058
105Z
C8059
102K
C8069
102K
C8081
102J
C8086
100/4
C8091
102J
C8080
102J
C8090
102J
C8051
102K
R8051
10K
C8056
105Z
C8057
102K
C8055
102K
C8054
105Z
C8053
22/4
C8062 105Z
C8077
105Z
C8078
102K
C8073
105Z
C8074
102K
C8075
105Z
C8079
105Z
C8071
105Z
C8070
22/4
C8064
105Z
C8063
102K
Q8159
DTC144EE
Q8179
DTC144EE
C8076
102K
R8005
10K
R8055
10K
C8093
105Z
R8089
0
C8094
104Z
R8088
47K
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8091
0
R8090
0
C8095
105Z
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8070
0
R8071
0
R8068
47K
R8069
0
C8083
105Z
C8085
105Z
C8084
104Z
C8043
105Z
R8039
0
C8044
104Z
R8038
47K
BR24L02FV-W
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8041
0
R8040
0
C8045
105Z
Q8105
BR24L02FV-W
2 kbit EEPROM
5
SDA
6
SCL
7
WP
8
VCC
1
A0
2
A1
3
A2
4
GND
R8020
0
R8021
0
R8018
47K
R8019
0
C8033
105Z
C8034
104Z
C8035
105Z
L8102
LBC2518
T4R7M
LBC2518
T4R7M
L8152
LBC2518
T4R7M
LBC2518
T4R7M
L8151
P8001
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8002
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8051
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
P8052
23
Shield
21
1
D2+
2
D2 Shield
3
D2-
4
D1+
5
D1 Shield
6
D1-
7
D0+
8
D0 Shield
9
D0-
10
CK+
11
CK Shield
12
CK-
13
CERemote
14
NC
15
DDC CLK
16
DDC DATA
17
GND
18
+5V
19
HP DET
20
22
Shield
Q8101
AD8196
57
e_PAD
56
AUX_A0
55
AUX_A1
54
AUX_A2
53
AUX_A3
52
DVEE
51
AUX_COM0
50
AUX_COM1
49
AUX_COM2
48
AUX_COM3
47
AMUXVCC
46
AUX_B0
45
AUX_B1
44
AUX_B2
43
AUX_B3
42
AVCC
41
IP_B3
40
IN_B3
39
AVEE
38
IP_B2
37
IN_B2
36
VTTI
35
IP_B1
34
IN_B1
33
AVCC
32
IP_BO
31
IN_BO
30
VAVEE
29
I2C_SDA
28
28:I2C_SCL
27
RESET
26
OP3
25
ON3
24
VTTO
23
OP2
22
ON2
21
DVCC
20
OP1
19
ON1
18
VTTO
17
OP0
16
ON0
15
DVCC
14
12C_ADDR
13
AVEE
12
IP_A3
11
IN_A3
10
AVCC
9
IP_A2
8
IN_A2
7
VTTI
6
IP_A1
5
IN_A1
4
AVEE
3
IP_AO
2
IN_AO
1
AVCC
Q8151
AD8196
57
e_PAD
56
AUX_A0
55
AUX_A1
54
AUX_A2
53
AUX_A3
52
DVEE
51
AUX_COM0
50
AUX_COM1
49
AUX_COM2
48
AUX_COM3
47
AMUXVCC
46
AUX_B0
45
AUX_B1
44
AUX_B2
43
AUX_B3
42
AVCC
41
IP_B3
40
IN_B3
39
AVEE
38
IP_B2
37
IN_B2
36
VTTI
35
IP_B1
34
IN_B1
33
AVCC
32
IP_BO
31
IN_BO
30
VAVEE
29
I2C_SDA
28
28:I2C_SCL
27
RESET
26
OP3
25
ON3
24
VTTO
23
OP2
22
ON2
21
DVCC
20
OP1
19
ON1
18
VTTO
17
OP0
16
ON0
15
DVCC
14
12C_ADDR
13
AVEE
12
IP_A3
11
IN_A3
10
AVCC
9
IP_A2
8
IN_A2
7
VTTI
6
IP_A1
5
IN_A1
4
AVEE
3
IP_AO
2
IN_AO
1
AVCC
Q8128
DTA144EE
Q8158
DTA144EE
Q8178
DTA144EE
Q8152
2SK3019
Q8153
2SK3019
Q8103
2SK3019
Q8102
2SK3019
C8020
22/4
L8101
R8016
0
Q8108
DTA144EE
Q8124
Q8125
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8154
Q8155
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8174
Q8175
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
Q8104
SN74CB3T
3306DCT
5
2A
6
2B
7
2OE
8
VCC
1
1OE
2
1A
3
1B
4
GND
R8014
5.6K
R8015
5.6K
R8034
5.6K
R8035
5.6K
R8064
5.6K
R8065
5.6K
R8084
5.6K
R8085
5.6K
U42
HDMI PC BOARD
NAHDM-9114(3/5)
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+5.0V
+5.0V
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ( ) ARE IN uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
!
NOTE
WF41
WF41
WF41
WF42
2 kbit EEPROM
2 kbit EEPROM
2 kbit EEPROM
SN74CB3T3306DCT
1
1OE
2
1A
3
1B
4
GND
5
2A
6
2B
7
2OE
8
VCC