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Onkyo TX-SR577B Service Manual page 63

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A
SCHEMATIC DIAGRAMS-9 / PART-11
HDMI SECTION
1
BAHDM-0060(1/2)
U004
HDMI PC BOARD
2
102K
Q8631
C8632
NM
19
TP5
HP DET
18
0
+5V
17
R8639
GND
16
DDC DATA
15
DDC CLK
3
14
NC
13
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+
C8631
0
4
102K
Q8621
C8622
NM
19
TP8
HP DET
18
0
+5V
17
R8629
GND
16
DDC DATA
15
DDC CLK
14
NC
13
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+
5
C8621
102K
102K
Q8611
C8612
NM
19
TP11
HP DET
0
18
+5V
17
R8619
GND
16
DDC DATA
15
DDC CLK
14
NC
13
CERemote
12
CK-
11
CK Shield
10
CK+
9
6
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
2
D2 Shield
1
D2+
C8611
102K
NM
102K
Q8601
C8606
19
TP14
HP DET
7
18
0
+5V
17
R8609
GND
16
DDC DATA
15
DDC CLK
14
NC
13
CEC
CERemote
12
XCN_IN1
CK-
11
CK Shield
10
XCP_IN1
CK+
9
X0N_IN1
D0-
8
D0 Shield
7
X0P_IN1
D0+
6
X1N_IN1
D1-
5
D1 Shield
4
X1P_IN1
D1+
3
X2N_IN1
D2-
2
D2 Shield
1
X2P_IN1
D2+
C8605
102K
8
<Note>
Refer to SCHEMATIC DIAGRAM-19 / PART-17
for HDMI signal waveforms.
B
NOTE:
PART-10 and PART-12 are not used for TX-SR507/TX-SA507/TX-SR577.
PART-12 are not used for DTR-20.1.
Q8632
NM
R8631
NM
R8632
HPD_IN4
0
+5V_IN4
DSDA_IN4
DSCL_IN4
CEC
XCN_IN4
XCP_IN4
X0N_IN4
X0P_IN4
X1N_IN4
X1P_IN4
X2N_IN4
X2P_IN4
Q8622
NM
R8621
NM
R8622
HPD_IN3
0
+5V_IN3
DSDA_IN3
DSCL_IN3
CEC
XCN_IN3
XCP_IN3
X0N_IN3
X0P_IN3
X1N_IN3
X1P_IN3
X2N_IN3
X2P_IN3
Q8612
NM
R8612
HPD_IN2
0
+5V_IN2
DSDA_IN2
DSCL_IN2
CEC
XCN_IN2
XCP_IN2
X0N_IN2
X0P_IN2
X1N_IN2
X1P_IN2
X2N_IN2
X2P_IN2
Q8602
NM
R8602
HPD_IN1
0
+5V_IN1
DSDA_IN1
DSCL_IN1
WF42
WF41
Q8651
+4VHD
BD7820
WF41
WF41
KDS4148U
D8651
C
R8522
33X4
+1.8V
109
R0XC-
110
R0XC+
111
R0X0-
112
R0X0+
113
R0X1-
114
R0X1+
115
R0X2-
116
R0X2+
117
AVCC12
118
R1XC-
119
R1XC+
120
R1X0-
121
R1X0+
122
R1X1-
123
R1X1+
124
R1X2-
125
R1X2+
126
AVCC33
127
R2XC-
128
R2XC+
129
R2X0-
130
R2X0+
131
R2X1-
132
R2X1+
133
R2X2-
134
R2X2+
135
AVCC12
136
R3XC-
137
R3XC+
138
R3X0-
139
R3X0+
140
R3X1-
141
R3X1+
142
R3X2-
143
R3X2+
144
AVCC33
145
ePAD
+1.2V
102K
+1.2V
C8501
C8506
105Z
C8503
106K
C8502
C8505 105Z
106K
102K
L8601
BLM18PG181SN1
C8504
C8522
106K
C8525
TP26
104Z
106K
C8521
+1.2V
X8501
+4VHD
27.000MHz
R8530
+1.2VHD2
R8529
C8519
1K
+3.3V
105Z
D
NOTE:
XY in "SCHEMATIC-a / PART-b:XY" indicates the target
location of the plug or socket, X=A to E/H/K, Y=1 to 4/5/8.
R8504
R8505
R8507
R8508
33X4
33X4
33X4
33X4
Q8501
SII9233
HDMI RECEIVER
R8514
4.7K
R8515
4.7K
1M
+3.3VHD1
+3.3V
L8605
BLM18PG181SN1
E
Q8405
+3.3V
8
1
1OE
VCC
2
7
1A
2OE
6
3
1B
2B
4
5
GND
2A
SN74CB3Q3305PWR
CEC
+3.3V
L8652
BLM18PG181SN1
+3.3VHD1
L8603
BLM18PG181SN1
C8584
106K
C8585
+3.3V
106K
+1.2V
72
R
IOVCC33
71
R8509
R
CVCC12
70
33X4
R
Q18
69
R
Q19
68
R
Q20
67
R
R8510
Q21
66
33X4
R
Q22
65
R
Q23
64
R
Q24
63
R8511
R
Q25
33X4
62
R
Q26
61
R
IOVCC33
60
CVCC12
59
Q27
58
R
Q28
57
R8512
R
Q29
56
33X4
R
Q30
55
R
Q31
54
R
Q32
R8513
53
R
Q33
33X4
52
R
Q34
51
R
Q35
50
GND
49
RSVDNC
48
RSVDNC
47
RSVDNC
46
RSVDNC
45
RSVDNC
44
D
DSDA3
43
D
DSCL3
42
H
HPD3
41
+
R3PWR5V
40
DS
DSDA2
39
DS
DSCL2
38
H
HPD2
37
+5
R2PWR5V
+3.3V
L8604
+1.2V
BLM18PG181SN1
+1.2VH
+1.2V

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