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SA-PM21PC
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
IC800
C1BB00000757
ASP IC
1
VIN1
DS2
2
VIN2
INF1
3
SEL2OUT
INF2
4
SEL1OUT
BNF2
5
A1IN
BOUT2
6
A2IN
BNF1
7
B1IN
BOUT1
8
B2IN
LEFT
9
C1IN
RIGHT
10
C2IN
VCC
11
FILTER
C801
25V47
12
GND
Q750
KRA101STA
SWITCH
R750
4.7K
Q751
B1GBCFJJ0044
Q803
B1GBCFJJ0044
MUTING SWITCH
C880
50V2.2
24
C210
1000P
23
C410
1000P
22
C411
R412
0.22
3.9K
21
R411
C412
0.22
390K
20
C211
R212
0.22
3.9K
19
R211
C212
390K
0.22
18
C213
50V0.22
17
C413
50V0.22
16
C802
16V47
15
14
S1
13
SC
C803
47P
R800
4.7
C800
47P
R753
10
R751
1K
R752
C750
2.2K
50V1
R755
4.7K
Q751
R756
C751
63V47
4.7K
SWITCH
Q803
: MAIN SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: TAPE RECORD SIGNAL LINE
: CD SIGNAL LINE
: +B SIGNAL LINE
: FM/AM SIGNAL LINE
C281
C282
2200P
1000P
R282
5.6K
R283
47K
C481
C482
2200P
1000P
R482
5.6K
R266
R291
R292
12K
4.7K
4.7K
C292
27000P
R267
120K
R491
R492
R466
4.7K
12K
4.7K
C492
R467
27000P
120K
R221
R222
12K
68K
C220
50V1
C222
C223
100P
100P
R220
C221
100K
330P
5
6
IC700
C0ABBB000297
OP AMP
C421
C752
R420
330P
0.01
100K
4
3
C420
C422
50V1
100
R421
12K
54
R285
27K
Q280
C890
16V100
C298
470P
C283
50V 0.1
R284
47K
R485
Q280,Q480
27K
B1ABCE000016
AMPLIFIER
Q480
C498
C483
470P
0.1
R483
R484
47K
47K
Q290,Q490
B1ABCE000016
R295
68K
AMPLIFIER
Q290
C297
C296
470P
50V0.22
C293
R294
1500P
4.7K
R495
68K
Q490
C497
C496
470P
50V0.22
C493
R494
1500P
4.7K
Q221,Q222,Q421,Q422
B1ABGC000005
C754
AMPLIFIER
16V220
C224
R223
R225
6.3V 47
47
47
R224
1K
7
8
Q221
R424
R426
1K
C425
2
1
Q421
0.01
C424
C423
6V47
100
R423
R425
47
39
R422
68K
R801
180
R227
R226
3.9K
3.9K
Q222
R427
3.9K
3.9K
Q422
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