Panasonic SA-VK61DGS Service Manual page 83

SCHEMATIC DIAGRAM - 15
MAIN CIRCUIT
C203
50V4.7
C403
-9V 50V4.7
R314
0
MUTE_L
SPEA
R266 R466
330K 330K
KA_LOUT
KA_ROUT
+9V
KA_LIN
SERE
SERF
NJU_LAT
PBL
AUX_L
TUN_L
MIXL
DSP_LIN
R473 R419
100K 10K
W3
0 IC301
C0JZAS000004
ANALOG SWITCH IC
R219
10K
DSP_RIN
MIXR
TUN_R
AUX_R
PBR
KA_RIN
-9V
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: -B SIGNAL LINE
: +B SIGNAL LINE
B1GFGCAA0001
R209
0
6
Q300
1
R409
0
R301 R303
Q301
27K 1K
C301
R304
50V4.7
56K
Q301
B1GDCFGA0014
MUTING SWITCH
C435
50V4.7
C339
47P
W27
0
C340
47P
C341
47P
16 17 18 19 20
W40
0
W2
IC301
0
15 14 13 12 11
83
: AUX SIGNAL LINE
: PLAYBACK SIGNAL LINE : MAIN SIGNAL LINE
: RECORD SIGNAL LINE : AM/FM SIGNAL LINE
Q300
MUTING CONTROL
5 4
R210
100K
R410
2 3 100K
R302 R411
1K 1K
C405
50V3.3
IC302
C303
KIA4558FEL
0.01
DUAL OP-AMP
5
C410
100P
6
R414 C411
10K
470P IC302
7
8
R412
2.7K
R470
R270
100K 100K
C304
0.01
C409 C209
16V10 16V10
R472
100K
C414
100P
R415
100K
R476
47K
21 22 23 24 25 26 27 28 29
10 9 8 7 6 5 4 3 2
R276
SA-VK61DGS
C205
R211
50V3.3
1K
4
3
C210
100P
2
C211
R214
470P
10K
1
R212
2.7K
C235
50V4.7
C214
100P
R215
100K
C307
0.01
30
1
R272
100K
47K