Panasonic SA-AK88 Panduan Servis - Halaman 34
Jelajahi secara online atau unduh pdf Panduan Servis untuk Sistem stereo Panasonic SA-AK88. Panasonic SA-AK88 43 halaman.
Halaman Cetak
SCHEMATIC DIAGRAM-22
POWER CIRCUIT
IC500
RSN311W64A-P
POWER AMP(HIGH,MID,LOW)
26
25
24
23
0V
0V
0V
R502
4.7K
C500
470P
R501 4.7K
C510
470P
C514
470P
C508
470P
R507
R513
4.7K
4.7K
R508
R517
4.7K
4.7K
E
D
C
C509
0.01
CP501
GND1
1
+B(3)
2
H.Lch IN
3
H.Rch IN
4
LOW CH
5
TO
GND1
6
MAIN (CONTROL)
S CH
7
CIRCUIT(CN300)
C CH
8
ON SCHEMATIC
/CD
9
DIAGRAM-21
DC DET
10
P.CONT
11
HP SW
12
CP500
P.GND
1
D.GND
2
+B(4)
3
-B(1)
4
TO
GND1
5
MAIN (CONTROL)
6
CIRCUIT(CN301)
+B(1)
7
ON SCHEMATIC
+B(2)
8
DIAGRAM-21
+B(6)
9
-VP
10
11
LED9V
12
+B(5)
22
21
20
19
18
17
16
0V
-28.5V
60.2V
0V
0V
R505
2.7K
R532
56K
C526
15P R555
R506
2.7K
R533
56K
C527
15P
R534
56K
C528
15P R557
R535
56K
C529
15P R558
R536
56K
C530
22P R556
R537
56K
C531
22P
Q505
5V
0V
Q503
A
B
Q503
2SC2785FTA
OVER LOAD DET.
A
B
C
D
E
B
A
R562
8.2K
C554
10V470
D501
D502
1D3E
RL1N4003S-P
8.6V
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
15
14
13
12
11
10
-30V
29.5V
-0.2V
0V
0V
120K
R560
120K
120K
150K
220K
R559
180K
5V
0V
Q505
KTC3199GRTA
OVER LOAD DET.
Q510
2SD2144STA
SWITCHING
R554
0.2V
1K
0V
D503
RL1N4003S-P
:CD-DA/V-CD (AUDIO) SIGNAL LINE
:SURROUND SP. DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
9
8
7
6
5
4
3
0.2V
0V
-29.7V
29.1V
0V
-60.7V
R552
2.2
R553
2.2
14.8V
7.7V
-7.9V
3.3V
5V
-31V
10.4V
2
1
60V
0V
0V
A
B
C
D
E
F