Panasonic SA-AK88 Panduan Servis - Halaman 28
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Halaman Cetak
SCHEMATIC DIAGRAM-21
R436
2.2K
C435
0.018
I
D401
1SS355TE17
H
D201
1SS355TE17
C235
0.018
C
A
Q307
KRC111STA
DC IN DET
Q311
5.3V
0V
KRC111STA
0V
DC IN DET
Q352
KRA102STA
DC IN DET
3.3V
5V
10.4V
14.8V
-7.9V
7.7V
5.1V
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:CD-DA/V-CD (AUDIO) SIGNAL LINE
C440
IC301
50V1
M62456FPE1
BTL BASS BOOST
R431
18K
R444
12K
C441
100P
C436
D401
100P
0V
0V
0.4V
-7.9V
0V
24
23
22
21
20
22K
22K
1
2
3
4
5
0V
0V
0V
0.4V
7.7V
D201
C241
100P
R231
18K
B
5.3V
-3.4V
4.9V
D313
1SS355TE17
4.9V
C322
R336
R337
0.068
15K
8.2K
R334
270K
0V
0V
0V
0V
19
18
17
16
15
27K
6
7
8
9
10
0V
0V
1.9V
0V
D
C378
1000P
C380
1000P
D309
1SS355TE17
R313
39K
R316
15K
X
Y
:SURROUND SP. DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
C326
6800P
0V
0V
14
13
22K
22K
11
12
0V
G
C
F
E
B
A
CN301
P.GND
1
D.GND
2
+B(4)
3
7.7V
-B(1)
-7.9V
4
GND1
5
6
+B(1)
7
7.8V
+B(2)
3.3V
8
9
+B(6)
5V
-VP
-31V
10
LED9V
8.6V
11
+B(5)
12
10.4V
CN300
R312
GND1
1
2.2
+B(3)
2
14.8V
A
H.Lch OUT
3
B
4
H.Rch OUT
C
LOW CH
5
6
GND1
S CH
7
f
e
C CH
8
/CD
9
DC DET
10
P.CONT
11
HP SW
12
TO
POWER CIRCUIT
(CP500) ON
SCHEMATIC
DIAGRAM-22
TO
POWER CIRCUIT
(CP501) ON
SCHEMATIC
DIAGRAM-22