Sony STR-K790 Service Manual - Page 37

Ic5005 Sn74lvc1g3157dckr, Ic5001 Tmds341pfcr

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STR-K790 - HDMI SW Board - IC5001 TMDS341PFCR VCC GND A14 B14 VCC A13 B13 GND A12 B12 VCC A11 B11 GND SCL1 SDA1 NC VSADJ NC PRE 20 19 S1 21 S2 22 S3 23 GND 24 Y4 25 Z4 26 VCC 27 Y3 28 Z3 29 GND 30 Y2 31 Z2 32 VCC 33 Y1 34 Z1 35 GND 36 GND 37 SCL_SINK 38 SDA_SINK 39 TMDS Drive TMDS Drive TMDS Drive TMDS Drive HPD_SINK 40 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 (3.3V) VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ 3-to-1 MUX Control Logic (3.3V) VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ VCC RINT Rx w/ EQ 80 HPD1 79 VCC 78 GND 77 A24 76 B24 75 VCC 74 A23 73 B23 72 GND 71 A22 70 B22 69 VCC 68 A21 67 B21 66 GND 65 GND 64 SCL2 63 SDA2 62 HPD2 61 VCC RINT VCC (3.3V) Rx w/ EQ RINT VCC EQ RINT VCC EQ RINT VCC Rx w/ EQ 41 42 43 44 45 46 47 48 49 51 52 54 55 57 58 59 60 Rx w/ A33 Rx w/ A32 NC GND A34 B34 B33 B32 A31 B31 NC OEB VCC HPD3 SDA3 SCL3 GND IC5005 SN74LVC1G3157DCKR B2 1 GND 2 B1 3 6S 5 VCC 4A 37

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37
STR-K790
– HDMI SW Board
–
IC5005 SN74LVC1G3157DCKR
1
2
3
6
5
4
B2
GND
B1
S
VCC
A
IC5001 TMDS341PFCR
SCL1
R
INT
V
CC
3
GND
4
GND
65
GND
66
GND
72
GND
78
GND
10
GND
24
GND
30
GND
36
GND
37
GND
47
GND
59
GND
16
VCC
7
VCC
61
VCC
69
VCC
75
VCC
79
VCC
13
VCC
27
VCC
33
VCC
43
VCC
17
SDA1
2
NC
1
NC
20
NC
41
NC
60
HPD1
80
B31
48
A31
49
HPD2
62
HPD3
44
SCL2
64
SDA2
63
SCL3
46
SDA3
45
Y4
25
VSADJ
18
PRE
19
Z4
Y3
Z3
26
S1
21
S2
22
S3
23
SCL_SINK
38
HPD_SINK
40
SDA_SINK
39
Control Logic
R
INT
V
CC
B32
51
A32
52
R
INT
V
CC
B33
54
A33
55
Rx w/
R
INT
V
CC
(3.3V)
EQ
Rx w/
EQ
Rx w/
EQ
Rx w/
EQ
B34
57
A34
58
Rx w/
R
INT
V
CC
EQ
B21
67
A21
68
Rx w/
R
INT
V
CC
EQ
B22
70
A22
71
Rx w/
R
INT
V
CC
EQ
B23
73
A23
74
Rx w/
R
INT
V
CC
(3.3V)
EQ
B24
76
A24
77
R
INT
V
CC
R
INT
V
CC
R
INT
V
CC
Rx w/
R
INT
V
CC
EQ
Rx w/
EQ
Rx w/
EQ
Rx w/
EQ
TMDS
Drive
B11
5
A11
6
B12
8
A12
9
B13
11
A13
12
(3.3V)
B14
14
A14
15
3-to-1 MUX
28
29
TMDS
Drive
Y2
Z2
31
32
TMDS
Drive
Y1
Z1
34
35
OEB
42
TMDS
Drive