Sony STR-DA2800ES - Troubleshooting Audio and Connectivity Issues; Pass Through and Audio Output Problems

STR-DA2800ES
122
– SUB D-VIDEO Board –
IC7001 TMDS442PNPR
DUAL
4 to 1
MUX
64
GND
62
Y11
61
VCC
63
Z11
60
Z12
59
Y12
58
GND
54
Z14
53
Y14
52
GND
56
Y13
55
VCC
57
Z13
9VCC
15VCC
12GND
6GND
17A14
18GND
A13
16B14
14
13B13
A12
11
10B12
A11 8
7B11
SCL1 5
4SDA1
5V_PWR1 3
2HPD1
1VCC
QUAD
TERMINATED
TMDS RX
WITH EQ
89 VCC
83 VCC
75 VCC
86 GND
92 GND
81
B41
80 GND
B42
82
A41
78
SDA4
79
SCL4
76
HPD4
77
5V_PWR4
70 GND
73
LC_SDA
74
LC_SCL
71
LC_A1
72
LC_A0
84
85
A42
B43
87
88
A43
B44
90
91
A44
HPD394
VCC
93
95 5V_PWR3
SDA396
QUAD
TERMINATED
TMDS RX
WITH EQ
119
VCC
125
VCC
128
GND
122
GND
116
GND
127
A24 A23
126
B24
124 123
B23
A22
121 120
B22
A21
118 117
B21
113
5V_RWR2
SCL2
115 114
SDA2
HPD2
112 111
VCC
QUAD
TERMINATED
TMDS RX
WITH EQ
101
VCC
107
VCC
110
GND
104
GND
98
GND
109
A34 A33
108
B34
106 105
B33
A32
103 102
B32
A31
100 99
B31
SCL3
97
QUAD
TERMINATED
TMDS RX
WITH EQ
48
5V_SINK2
47
SDA_SINK2
49
HPD_SINK2
46
SCL_SINK2
51
VSADJ
50
VCC
QUAD
TMDS TX
45
GND
43
Y21
42
VCC
44
Z21
41
Z22
40
Y22
39
GND
35
Z24
34
Y24
33
GND
37
Y23
36
VCC
38
Z23
QUAD
TMDS TX
GPIO0 (SA1)
20
VCC
19
GPIO1 (SB1)
21
GPIO2 (/OE1)
22
GPIO3 (I2CEN1)
23
GPIO4 (PRE1)
24
GPIO5 (SA2)
25
GPIO6 (SB2)
SA1
SB1
SA2
SB2
26
GPIO7 (/OE2)
27
GPIO8 (I2CEN2)
28
GPIO9 (PRE2)
29
GPIO10 (SP)
30
GE
31
OVS
PRE1
OE1
32
69 VCC
67
5V_SINK1
68
HPD_SINK1
65
SCL_SINK1
66
SDA_SINK1
PRE2 OE2
CONTROL
LOGIC