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SCHEMATIC DIAGRAM- 10
C
MAIN CIRCUIT
R
R801
C801
R805
1K
16V10
10K
B
R802
C802
R806
1.8K
16V10
10K
A
R827
C821
R831
100
16V10
15K
D
R828
C822
R832
100
16V10
15K
C
R847
C835
R851
1K
16V10
10K
F
R848
C836
R852
1K
16V10
10K
E
Q
I
H
GND OUT
IN
G
O
I
5V
10V
C28
C27
0.1
0.47
: POSITIVE VOLTAGE LINE
IC802
NJM4580EDTE1
R809
15K
BUFFER AMP
R807
C805
C809
22K
47P
16V22
4.3V
4.3V
4.3V
7.8V
5
6
7
8
D801
MA111TX
4
3
2
1
4.3V
4.3V
4.3V
D802
MA111TX
R808
C806
C810
22K
47P
16V22
R810
22K
IC803
C828
NJM4580EDTE1
0.1
R837
BUFFER AMP
15K
R833
C825
22K
47P
4.3V
4.3V
4.3V
7.8V
5
6
7
8
D803
MA111TX
4
3
2
1
4.3V
4.3V
4.3V
D804
MA111TX
R834
C826
C830
22K
47P
6.3V47
R838
15K
C842
IC804
0.1
NJM4580EDTE1
R857
15K
BUFFER AMP
R853
C839
22K
47P
4.3V
4.3V
4.3V
7.8V
5
6
7
8
D805
MA111TX
4
3
2
1
4.3V
4.3V
4.3V
D806
MA111TX
R854
C840
C844
22K
47P
6.3V47
R858
15K
(-0.8V)
7.7V
(7.8V)
0V
R867
7.8V
47K
2.5V
5V
IC4
NJM78M05FA
REGULATOR
10V
: AUDIO SIGNAL LINE
Q303
DTC114EUA106
SIGNAL SELECTOR CONT.
0V
Q801,802
2SD1328TX
IC801
MUTING
C0JBAS000138
R815
C813
SIGNAL SELECTOR
1K
16V10
R813
0V
(-0.6V)
3.3K
0.7V
Q801
4.3V
8
R814
(-0.6V)
3.3K
0.7V
Q802
0V
R816
C814
470
16V10
7
Q803,804
2SD1328TX
MUTING
C833
C829
R841
6.3V47
6.3V47
1K
R839
0V
(-0.6V)
3.3K
0.7V
Q803
R840
(-0.6V)
3.3K
0.7V
Q804
0V
R842
C834
1K
6.3V47
Q805,806
2SD1328TX
MUTING
C847
C843
R861
6.3V47
6.3V47
1K
R859
0V
(-0.6V)
3.3K
0.7V
Q805
R860
(-0.6V)
3.3K
0.7V
Q806
0V
R862
C848
1K
6.3V47
Q807
UN5111TX
MUTING CONT.
IC3
LM2940T5M
GND OUT
IN
REGULATOR
G
O
I
5V
6V
7.7V
R821
100K
R819
100K
4.3V
4.3V
4.3V
7.7V
7.7V
7.8V
9
10
11
12
13
14
6
5
4
3
2
1
R820
7.7V
7.7V
4.3V
4.3V
4.3V
4.3V
100K
R822
100K
IC805
BA4558FHTT1
D
VREF
7.1V
7.1V
7.8V
5
6
7
8
4
3
2
1
4.3V
4.3V
4.3V
C
R825
B
1K
Q9
A
2SB1417PQTA
POWER SUPPLY
2.5V
6V
C12
5.3V
1000P
Q8
FMW1T98
POWER SUPPLY
CONT.
2.5V
5.3V
R21
2.2K
2.5V
2.5V
R20
1.9V
270
C13
0.01
6V
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