Onkyo TX-SA705 Service Manual page 22

A
SCHEMATIC DIAGRAMS-8 (SD-8)
HDMI SECTION-1
NAHDM-9265(3/4)
U24
1
DSP AND HDMI
PC BOARD
2
3
4
1 8
1OE
2 7
1A
3 6
1B
4 5
GND
SN74CB3T3306DCT
5
B
47K
R8244
C8293
105Z
R8238
47K
102K
C8299
5
19
2A GND
HP DET
18 6
+5V 2B
17 7
GND 2OE
16 8
DDC DATA
VCC
15
DDC CLK
C8292
14
NC
13 105Z
CERemote
12
CK-
11
CK Shield
10
CK+
9
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
102K
C8298
SDADDC1
C8593
105Z
R8538
47K
C8599
102K
19 5
HP DET 2A GND
18 6
+5V 2B
17 7
GND 2OE
16 8
DDC DATA VCC
15
DDC CLK
14 C8592
NC
13 105Z
CERemote
12
CK-
11
CK Shield
10
CK+
9
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
102K
C8598
R8635
0
C8681
104Z
R8638
47K
102K
C8699
VCC
19 5
2OE HP DET 2A GND
18 6
+5V 2B
2B 7
17
GND
2OE
16 8
DDC DATA VCC
2A
15
DDC CLK
105Z
14
NC
13
C8692
CERemote
12 R1XCN
CK-
11
CK Shield
10 R1XCP
CK+
9 R1X0N
D0-
8
D0 Shield
7 R1X0P
D0+
6 R1X1N
D1-
5
D1 Shield
4 R1X1P
D1+
3 R1X2N
D2-
2
D2 Shield
1 R1X2P
D2+
C8698
102K
<Note>
Refer to SCHEMATIC DIAGRAM-15 (SD-15)
for HDMI signal waveforms.
+3.3VHD1
+3.3V
4
3
1B
2
1A
1
1OE
CEC
R0XCN_IN3
R0XCP_IN3
R0X0N_IN3
R0X0P_IN3
R0X1N_IN3
R0X1P_IN3
R0X2N_IN3
R0X2P_IN3
+3.3VHD1
+3.3V
4
3
1B
2
1A
1
1OE
CEC
R0XCN_IN2
R0XCP_IN2
R0X0N_IN2
R0X0P_IN2
R0X1N_IN2
R0X1P_IN2
R0X2N_IN2
R0X2P_IN2
+3.3VHD1
R8642
5.6K
R8643
5.6K
+3.3V
4
3
1B
2
1A
1
1OE
CEC
WF42
WF41
WF41
WF41
TX-SR705/SA705
C
C8111 102K
15
DVCC
R0XCN C8110 105Z 16
57:e_PAD
ON0
R0XCP 17
OP0
18
C8109 102K VTTO
R0X0N 19
ON1
R0X0P C8108 105Z 20
OP1
Q8101
21
C8107 102K DVCC
R0X1N 22 AD8196
ON2
R0X1P C8106 105Z 23
OP2
HDMI Switch
24
C8105 102K VTTO
R0X2N 25
ON3
R0X2P C8104 105Z 26
OP3
27
RST_RXSW0
RESET
28
SCL_RXSW
I2C_SCL
4.7K
R8103
102K 10K
C8119
R8101
SDA_RXSW
4.7K
C8112 105Z
R8102
C8103 22/4
+3.3V
R8632
R8630
47K
47K
47K 47K
R8629 R8631
+3.3V
R8630 R8632
37
AVCC18
38
AVCC33
39
R0XC-
40
R0XC+
41
AGND
42
AVCC33
43
R0X0-
44
R0X0+
45
AGND
46
AVCC33
47
R0X1-
48
R0X1+
49
AGND
50
AVCC33
51
R0X2-
52
R0X2+
53
AGND
54
AVCC18
55
RSVDNC
56
AVCC33
57
R1XC-
58
R1XC+
59
AGND
60
AVCC33
61
R1X0-
62
R1X0+
63
AGND
64
AVCC33
65
R1X1-
66
R1X1+
67
AGND
68
AVCC33
69
R1X2-
70
R1X2+
71
AGND
72
AVCC18
+3.3V
C8506
C8503 102K
105Z
C8502
C8505
22/4
22/4
+1.8V
C8504 102K
C8501
105Z
C8605 220/4
C8604
105Z
C8602
100/4
2
G
105Z
R8633
C8601
1K
C8603
105Z
D
57
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 C8129
AMUXVCC
46
105Z
AUX_B0
45
AUX_B1
44
AUX_B2
43
AUX_B3
+5.0V
22/4
C8120
+5VHD
+3.3V
L8101
LBC2518T4R7M
+3.3VHD2
ePA
Q1
CVCC
CGN
Q1
Q1
Q1
Q1
IOVCC
IOGN
Q1
Q1
Q1
Q1
CVCC
CGN
Q
Q8501 Q
Q
SII9135CTU
Q
IOVCC
HDMI Receiver IOGN
Q
Q
Q
Q
CVCC
CGN
Q
Q
Q
Q
IOVCC
IOGN
Q
Q
Q
R8514
4.
X8501
28.332MHz
R8662 +1.8V
1M