Hdmi&Dvc Assy (1/2) - Pioneer VSX-74TXVi Service Manual

1
3.34 HDMI&DVC ASSY (1/2)
V+5_R0
UM6K1N
A
B
R191 R193
STBY STBY
R192 R194
C
STBY STBY
GNDD GNDC GNDD GNDC
V+5_R0 V+5D
V+5E0
DAN202U
D151
CN101
Q151
AKN7040
DTC114YUA
Hot Plug Detect 19
+5V 18
DDC/CEC GND
17
SDA
16
SCL 15
NC 14
CEC 13
R1151
Clock- 12
L151
Clock Shield 11 R1152
STBY
Clock+ 10
R1153
Data0- 9
STBY
Data0 Shield R1154
8
L152
D
Data0+ 7
R1155
Data1-
6
STBY
Data1 Shield R1156
5
L153
Data1+
4
R1157
Data2-
3
STBY
Data2 Shield 2 R1158
L154
Data2+ 1
GNDD
V+5_R1 V+5D
V+5E1
DAN202U
D171
CN102
E Q171
AKN7040
DTC114YUA
Hot Plug Detect 19
+5V
18
DDC/CEC GND
17
SDA 16
SCL 15
NC 14
CEC 13
R1171
Clock- 12
L171
Clock Shield 11 R1172
STBY
Clock+ 10
R1173
Data0- 9
STBY
Data0 Shield R1174
8
L172
Data0+ 7
R1175
Data1-
6
STBY
Data1 Shield R1176
5
L173
Data1+ 4
R1177
Data2- 3
STBY
Data2 Shield 2 R1178
L174
Data2+ 1
GNDD
F
AG
1/2
92
1
2
V+5_R1
Q101
V+3R3 V+3RA
GNDD
L104
ATL7010
R1105
0
R0XC-
R0XC+
R0X0-
R0X0+
R0X1-
R0X1+
R0X2-
R0X2+
R1XC-
R1XC+
R1X0-
R1X0+
R1X1-
R1X1+
C191
0.1
C192
R1X2-
0.01 R1X2+
GNDD GNDC
HPDET0
R0XC-
R0XC+
R0X0-
R0X0+
R0X1-
R0X1+
R0X2-
V+5R0
R0X2+
GNDC
GNDC
HPDET1
R1XC-
R1XC+
R1X0-
R1X0+
R1X1-
R1X1+
R1X2-
R1X2+
V+5R1
GNDC
GNDC
2
3
R163
47k
R164
47k
V+1R8 V+1R8RX
L101
ATL7010
C125
100/16
C116
1
C117
1
C118
AGND
0.1 37 PVCC0
AVCC
38 AVCC
R0X0-
39 R0XC-
R0X0+ 40 R0XC+
C119
AGND
0.1
AVCC
R0X1-
R0X1+
C120
AGND
0.1
AVCC
R0X2-
R0X2+
AGND
C121
TMDSPGND
HDMI Receiver
1
PVCC1
RSVD_A
AVCC
R1XC-
R1XC+
C122
AGND
0.1
AVCC
R1X0-
R1X0+
C123
AGND
0.1
AVCC
69 AVCC
R1X1- 70 R1X2-
71 R1X2+
R1X1+
C124 72 AGND
AGND
0.1
GNDD
V+5R0
IC152
SN74CBT3306CPW
I2CSELB 1 8
1OE VCC
2 7
1A 2OE
3 6
1B 2B
4 5
GND 2A
R160
10k
GNDD
V+5E0
C151
IC151
0.1
BR24L02FV-W
1 8 R153
A0(NC) VCC
100
2 7
A1(NC) WP
3 6
A2(NC) SCL
10 R152
4 5
VSS SDA
R151
10
GNDD
V+5E1
WP0
Q152 C171
DTC114YUA
IC171
0.1
GNDD BR24L02FV-W
1 8 R173
A0(NC) VCC
100
2 7
A1(NC) WP
3 6
A2(NC) SCL
10 R172
4 5
VSS SDA
R171
10
GNDD
V+5R1
WP1
Q172
DTC114YUA
GNDD IC172
SN74CBT3306CPW
1 8
1OE VCC
2 7
1A 2OE
3 6
1B 2B
4 5
GND 2A
GNDD
VSX-74TXVi
3
4
V+3DAC
Q4
Q0 144
CVCC18
Q1 143
CGND
Q2 142
Q3 141 Q5
Q6
IOGND
IOVCC
Q7
Q8
Q9
SiI9031CTU
Q10
Q11
IC101
CVCC18
CGND
Q12
Q13
Q14
Q15
IOVCC
ODCK
IOGND
Q16
Q17
Q18
Q19
Q21 112
Q22 111 CGND
Q23 110
CVCC18
IOVCC 109
Q20
R115
4.7k
R116
STBY
R118
1M
X101
ASS7066
27M
GNDD
GNDD
V+3RX
Q153
UM6K1N
V+3RX R165 1k
R166 1k
I2CSELB
GNDD
V+3RX
Q173
UM6K1N
4
V+3RX V+3R3
R1102
0
L103
ATL7010
C115
100/16
R126
68*4
D0
D1
D2
D3
R127
C139
68*4
0.1
D4
D5
D6
C140
D7
0.1
R128
47*4
D8
D9
D10
D11
C141 R129
47*4
0.1 D12
D13
D14
D15
R132
DCK
C142
33
0.1 D16
D17
D18
D19
C143
R130
0.1 47*4
D20
D21
D22
D23
R131
47*4
C129
0.1
DSDA0
DSCL0
CSDA
CSCL
USDA
USCL
I2CSELA
I2CSELB
I2C Select
I2CSELA BUS
L L Rx/Tx
L H -
H L DDC0
H H DDC1
DSDA1
DSCL1