Panasonic SC-AK48 Service Manual page 57

SCHEMATIC DIAGRAM-18
M
POWER TRANSFORMER CIRCUIT
CN502
SYNC 1
K
To
FL1 A
2
FL CIRCUIT
FL2 B
3
(H601)
SYS6V 4
on SCHEMATIC
ECONO
5
DIAGRAM-15
GND
6
CN501
1
2
3
4
5
6
7
8
9
10
11
12
13
Q976
2SD2144STA
POWER SUPPLY
R985 R980 R981
18 18 22
10.4V 27.1V
8.9V
R982 C979
820K 1000P
Q977
2SC3940AQSTA
POWER SUPPLY
5.8V
10.4V
6.5V
D984
1SS291TA
Q978
KRC102MTA
SWITCHING
R976
2.8V
10K
0V
R966
15
R978
0V
1K
0.8V
Q975
2SC1740SSTA
RELAY DRIVE
R979
RSFMB40KT-L
A
A
AC23.0V
B
B
C
C AC23.0V
D
D
AC10.8V
E
E
AC10.8V
F
F
B
AC10.8V
A
D979
1D3E
W500
1 1
2 2
3 3
D981
C978
1D3E
0.01
C975
W1A
35V4.7
D977
RVD1SS133TA
RL502
3 4
1 2
T501
W9
W5
W7
W10
W8
W6
57
N
AC IN CIRCUIT
T502
CN500
Z501
F1
T1.25A
F2
T1.25A
S501
(VOLT ADJ)
230-240V
220V
4
110V
127V
3 5
2 6
110V
1 7
127V
8
220V
230-240V
SA-AK48
JK500
AC IN
(AC110/127/
220/230-240V
50/60Hz)