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5.7.
Mic Circuit
1
2
3
SCHEMATIC DIAGRAM - 20
A
D
MIC CIRCUIT
: +B SIGNAL LINE
B
C
D
CN1401
PW_XSW12R0V
9
MIC_IN
8
A
MIC_DET_2
7
TO
E
MIC_DET_1
6
MAIN (IO EXPANSION)
CIRCUIT (P1803)
MIC_GND
5
MPORT_IN_R
4
IN SCHEMATIC
DIAGRAM - 1
MPORT_GND
3
MPORT_IN_L
2
MPORT_DET
1
F
G
H
1
2
3
4
5
6
: AUX/MIC SIGNAL LINE
C1431
4700P
R1417
4.7K
C1425
0.01
C1429
C1428
R1413
C1432
R1414
50V0.1
50V4.7
680
50V4.7
560
C1430
C1426
R1415
47K
47P
50V1
7
6
5
4
3
2
1
C1AB00003130
MIC AMPLIFIER
R1421
8
9
10
11
12
13
14
220
C1438
50V0.1
R1419
100K
C1409
4700P
R1403
R1404
4.7K
100
C1403
C1404
50V0.1
50V0.1
R1411
C1407
560
0.01
C1402
C1406
R1401
R1402
R1412
C1401
47P
50V1
47K
560
680
50V4.7
R1422
0
7
6
5
4
3
2
1
IC1401
C1AB00003130
MIC AMPLIFIER
R1420
8
9
10
11
12
13
14
220
C1415
50V0.1
R1406
100K
LB1405
LB1406
LB1407
4
5
6
7
8
9
C1424
R1416
50V1
100
IC1400
1
VR1400
2
MIC VOL2
3
1
VR1401
2
MIC VOL1
3
JK1403
1
8
7
3
MIC 2
LB1400
R1400
680
J0JBC0000019
2
R1409
0
C1400
4
1000P
C1441
0.01
5
C1408
JK1401
50V1
1
8
7
3
MIC 1
R1408
LB1404
680
J0JBC0000019
2
R1410
R1407
C1417
0
560
1000P
4
C1416
0.01
5
JK1402
1
5
4
J0JBC0000019
3
AUX IN 4
J0JBC0000019
2
J0JBC0000019
6
C1421
C1422
C1423
0.01
330P
330P
7
7
8
9
17
10
11
12
13
SA-MAX9000GM/GS MIC
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
14