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58
12.15. Mic Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
D
MIC CIRCUIT
SCHEMATIC DIAGRAM - 14
SC-UA7E/PC/PH/PR MIC CIRCUIT
: +B SIGNAL LINE
MIC 1
MIC 2
: MIC SIGNAL LINE
FOR SC-UA7PC/PH/PR
FOR SC-UA7E
FOR SC-UA7E
FOR SC-UA7E
R1446
0
R1433
0
R1440
0
R1475
100
C1408
50V1
R1464
0
R1466
C1474
0
0.022
1000P
R1451
C1471
R1408
LB1404
J0JBC0000019
C1419
R1407
680
560
R1401
680
C1417
1000P
0.056
C1461
R1409
J0JYC0000656
0
R1463
10K
0.01
C1439
C1473
0.022
1000P
R1457
C1472
R1410
J0JYC0000656
0
R1458
15K
0.01
C1416
R1413
10
150
R1474
C1453
1200P
C1418
560K
0.047
C1420
50V0.1
5
4
2
7
8
1
3
JK1401
220
R1412
R1406
C1402
50V0.1
C1403
R1402
680
1K
R1411
47P
56K
R1405
56K
C1412
16V10
C1411
16V10
0
R1420
R1403
C1415
50V0.1
C1413
50V1
100K
C1401
50V1
C1407
1000P
5
6
4
1
2
3
9
11
13
14
12
10
7
8
IC1401
C1AB00003130
MIC AMPLIFIER
C1465
0.01
C1466
0.01
C1450
0.1
C1455
10V470
C1456
50V1
19
18
20
28
23
24
22
27
25
26
32
31
35
34
36
33
29
30
21
2
1
16
14
12
9
11
10
13
15
17
6
7
4
5
3
8
IC1400
C1AB00004433
MIC AMPLIFIER
C1463
0.1
C1467
0.01
R1461
33K
R1476
0
C1464
16V100
5
4
2
7
1
3
8
JK1402
R1442
270
R1481
0
R1454
0
R1431
0
R1432
0
R1479
0
R1480
...PC/PH/PR
...E
0
0.1
C1443
R1445
150
C1459 C1452
0.056 1200P
R1441
2.2K
1K
R1473
560K
C1462
0.047
R1443
C1458
10
C1460
50V0.1
C1469
50V0.1
C1470
16V470
R1460
100
R1444
680
C1457
16V47
C1468
0.01
R1472
R1471
R1468
R1437
100
R1467
R1470
680
0
0
0
0
4
5
1
3
2
7
6
CN1404
0
D1401
DZ2J100M0L
R1436
1K
C1449
0.01
C1451
C1447
0.1
0.01
C1448
33
Q2022
B1AAJC000019
0
R1469
R1459
INT
IN
MICNF2
ALC2
MICIN2
NC
VDD
MIC_OUT2
ALC_DET
IN2
ALC1
MICNF1
MICIN1
NC
VREF
IN1
SUM_IN
SEL_OUT
MIC_OUT1
GND
V+
MIC_IN
TP_SCL
AGND
TP_SDA
MIC_DET
12V
MIC_GND
NC
NC
NC
DA
LFP2
GND
NC
NC
ECHO_IN
NC
SCL
SDA
AD
OSC
CS
DC_3V
NC
NC
GAIN2
DET
GAIN1
GAIN SW
VREF
BUFFIN
BUFFOUT
BUFFGAIN
SENSE
OUT
A
TO
MAIN (CONNECTOR)
CIRCUIT (CN2507)
IN SCHEMATIC
DIAGRAM - 4
C1405
50V1
Содержание SC-UA7E
Страница 5: ...5 1 4 Caution For AC Cord For E Figure 1 3 ...
Страница 11: ...11 5 Location of Controls and Components 5 1 Remote Control Key Button Operation For E PH PR ...
Страница 12: ...12 5 2 Remote Control Key Button Operation For PC ...
Страница 13: ...13 5 3 Main Unit Key Button Operation ...
Страница 22: ...22 7 9 2 Main P C B 7 9 3 DAMP P C B 8 8 9 IC2104 IC2108 IC2107 10 IC2101 C2155 ...
Страница 25: ...25 8 3 Main Components and P C B Locations ...
Страница 42: ...42 ...
Страница 44: ...44 ...
Страница 80: ...80 ...
Страница 86: ...86 ...