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3
LEFT AUDIO
751910 SCH 5 of 5
R I2C C L
J1:18
I2C CL
5
R I2C D A
J1:17
5
I2C DA
D GN D
J1:16
5
D GN D
+3. 3VBU
J1:15
5
+3 .3V BU
+5V
J1:13
5
+5 V
J1:14
GN D
J1:11
5
D GN D
J1:12
+17VL
J1:9
5
+1 7V
J1:10
-17VL
J1:7
5
-1 7V
J1:8
R AU D D ET
J1:6
AUD DET
5
R M ET +
J1:5
5
MET +
R M ET -
J1:4
5
MET -
+5VAD C
J1:3
5
+5 V A D C
R AD C +
J1:2
ADC +
5
R AD C -
J1:1
5
ADC -
+4 V
+4 V
+4 V
10k
10k
10k
2
2
10k
10k
10k
+4 V
+4 V
+4 V
10k
10k
10k
2
2
10k
10k
10k
+5 V
R1
3.32k
1
Q2
Q7
+3 .3V BU
I2C CL
I2C DA
1
Q3
C1
OPEN
6-32
1
C2
C144
Q6
OPEN
OPEN
6-32
29
MP1100
+3 .3V BU
+3 .3V BU
U2
1
16
A0
VDD
2
15
A1
SDA
3
14
A2
SCL
4
13
Q0
NC
5
12
Q1
Q7
6
11
Q2
Q6
7
10
Q3
Q5
8
9
VSS
Q4
A = 0 0 1 (1)
+4 V
+3 .3V BU
10k
2
2
C4
10k
.1µF
+3 .3V BU
+3 .3V BU
U3
1
16
A0
VDD
2
15
A1
SDA
3
14
A2
SCL
4
13
Q0
NC
5
12
Q1
Q7
6
11
Q2
Q6
7
10
Q3
Q5
8
9
VSS
Q4
A = 0 1 0 (2)
+4 V
+3 .3V BU
10k
2
2
10k
+5 V
+5 V
+3 .3V BU
+3 .3V BU
U4
1
16
R5
A0
VDD
R234
3.32k
2
15
A1
SDA
10k
3
14
A2
SCL
4
13
Q0
NC
5
12
Q1
Q7
6
11
Q2
Q6
7
10
RIAA
Q3
Q5
8
9
VSS
Q4
1
A = 0 1 1 (3)
Q89
1
+3 .3V BU
+3 .3V BU
+3 .3V BU
R4
R6
U1
2k
2k
1
16
SC L
VD D
2
15
SD A
R ST
3
14
A0
IO7
4
13
A1
IO6
5
12
A2
IO5
6
11
IO0
IO4
7
10
IO1
IO3
8
9
VSS
IO2
R9
A = 0 0 1 (1)
3.32k
R7
3.32k
+3 .3V BU
Q12
Q13
1
1
PH3
Q90
1
I2C DA
PH2
I2C CL
Q91
1
PH1
+4 V
Q92
1
10k
2
10k
I2C DA
I2C CL
+4 V
+4 V
+4 V
10k
10k
10k
2
2
2
Q15
Q17
Q19
10k
10k
10k
I2C DA
I2C CL
78
AES
NAB / LP
LP
R10
3.32k
Q18
1
1
1
Q16
30
R12
100
+5 V
+4 V
R13
100
C7
470µF
+4 V
10k
2
Q21
10k
+3 .3V BU
R235
4.75k
Q22
1
Q20
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