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SCHEMATIC DIAGRAM-11
E
MAIN CIRCUIT
C711
R711
25V47
560
C
C712
R712
25V47
560
D
L
6.8V
1V ( -1.3V)
Q453
DTA114ESATP
MUTING CONT.
( 12.6V)
0V
12.8V
V
5V
Q452
DTC114ESATP
12.8V
MUTING CONT.
0V
(0V )
4.8V
10K
I
0V
10K
D
5.6V
H
U
5V
5V
8.8V
2
3
4
IC301
BA05ST-V5
REGULATOR
5V
:POSITIVE VOLTAGE LINE
R715
C715
8.2K
390P
R721
33K
0V
0V
5
6
IC711
BA4560FE2
BUFFER AMP
4
3
-8.1V
0V
R716
R718
8.2K
12K
C716
390P
D324
1D3-E
R451
R452
10K
10K
-9.4V
-9.3V
Q451
8V
2SD1862QRTV6
REGULATOR
D323
1D3-E
-0.3V
10K
10K
D452
R453
1SS254TA
2.2K
( 12.6V)
Q307
2SD1862QRTV6
REGULATOR
5.6V
8.8V
R320
6.2V
100
8.8V
3.4V
5V
1
5
4
3
5
1
2
5V
3.4V
8.8V
IC303
BA05ST-V5
REGULATOR
:NEGATIVE VOLTAGE LINE
C719
R725
25V47
330
0V
6.8V
7
8
PLAY
6.2V
P-P
1kHz,0dB
2
1
0V
0V
R722
C720
33K
25V47
-8.1V
Q306
2SB1240QRTV6
REGULATOR
R312
1/4W4.7
-8.8V
-14V
-9.4V
R316
270
Q305
2SD1862QRTV6
REGULATOR
1/4W4.7
7.3V
8.4V
8V
R315
R313
270
680
ICP301
SRUN10T
8.8V
Q308
2SD2037EFTA
REGULATOR
5V
8.8V
R322
R321
5.6V
100
220
6.8V
C327
6.3V100
5V
5
4
3
1
2
1.6V
8.8V
IC302
BA05ST-V5
REGULATOR
:MD PLAYBACK SIGNAL LINE
6.8V
R726
330
D310
1D3-E
D309
R311
1D3-E
C
A
B
C301
0.1
C310
0.1
-8.1V
CN711
7
6
5
4
3
2
1
-30.6V
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