Fan Motor - Panasonic SA-PM08 Service Manual

SCHEMATIC DIAGRAM-20
J
POWER AMP CIRCUIT
R904
4.7K
CN902B
8
7
6
5
4
3
2
1
CN901B
10
9
8
7
6
5
4
3
2
1
B A

FAN MOTOR

2
R752
820K
3V
0V
Q750
Q752
C751 R756
6.3V100 100
0V
R758
10K
D750,751
MA704ATX
Q753
R757
Q751
R754
5.6K
8.9V 8.9V
10K
0V
FAN ON:0V
FAN ON:0V
R916 C915 C901 C903
3.3K 3300P 0.1 0.1
R918
12K
Q901-903
2SC1740SLNST
FILTER AMP
R901 R909
47K 15K
R902 C904
47K 0.22
R917 C916 C902 C905
3.3K 3300P 0.1 0.1
R919
12K
R393 R391
56K 10K
R401 C296 C287
1.5K 25V10 47P
0V 0V
14 13 12
IC301
M5228FPE1
BUFFER AMP
1 2 3
0V 0V
R402 C301 C282
1.5K 25V10 47P
R392
56K
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
M
:SURROUND SP. DRIVE SIGNAL LINE
:CENTER SP. DRIVE SIGNAL LINE
1
CN750
Q750-752
2SC2712GRT5T
MOTOR DRIVE
Q753
2SB621ARTA
MOTOR DRIVE
Q510
0V
KRC111STA
SWITCHING
(POWER DET.)
3V
-3.5V
9V
0V
FAN ON:8.7V Q901
7.7V
0V
-0.7V
C912
0.47
R913
15K
Q902
7.7V
0V
-0.7V
C914 R927
25V10 2.2K
R914
15K
Q903
7.7V
0V
-0.7V
C913
0.47
C280
0.1
0V -7.7V 0V 0V
11 10 9 8
Vss
Vcc
4 5 6 7
0V 7.7V 0V 0V
7.7V
-7.7V
A
B
C
Q509
2SA1162GRT5T
SWITCHING
D507
(POWER DET.)
R576
1SS355TE17
4.7K
-3.5V 7.7V
7.5V
D506
R530
1SS355TE17
220K
A
B
C
D901
1SS355TE17