10.
Circuit Diagrams and PWB Layouts
SL7 Mono Carrier: Audio Amplifier
1
2
4
3
A
B
C
D
4
3
2
1
D
C
B
A
C412
4.7nF
C410
47uF
50V
C411
4.7nF
C409
220uF
100V
100V
C406
1000uF 25V
C407
1000uF 25V
R401
1K
R402
1K
R411
?
R412
?
A-L
A-L
R403
10K
25V
C408
0.1uF
R410
120K
R405
4.7K
Q401
C1815
R408
3.3K
Q402
C1015
D402
14148
C401
100uF 16V
R404 10K
50V
VOL
MUTE
+12V
A-L
A-R
1
2
3
4
CN401
TO SPEAKER
R4
0
9
3.
3K
1/
4
W
+18V
IN
2
1
OUT
2
2
CI
V
3
IN
1
4
GND
5
SV
R
6
VC
7
OUT
1
8
VC
C
9
IC401
TFA9842J
D401
14148
C403
10uF 16V
C402
10uF 16V
P401
EAR PHONE
R4
0
6
3
30
R4
0
7
3
30
C4
0
5
0.
01
uF
5
0V
C4
0
4
0.
01
uF
50
V
Test
T432
Test
T437
Te
st
T436
Te
st
T435
Te
st T4
38
Te
st
T439
Test
T441
Test
T442
Test
T443
TestT440
R413
?
C413
470uF 25V
R414
4.7K
AUDIO AMPLIFIER
I_17
8
90_016.ep
s
10040
8
A6
A6