D) Transformer Circuit - Panasonic SA-AK343P Simplified Service Manual

3.3.

(D) Transformer Circuit

Note: With reference to page 67 (section 18.5) of original service manual for SA-AK340P/PC-S. Below is the updates.
SCHEMATIC DIAGRAM - 5
TRANSFORMER CIRCUIT
: +B SIGNAL LINE
FP5940
D5950-D5953
7A
B0EAMM000038
VCC+
1
D5950
2
D5952
VCC-
C5960
TO 3
POWER
0.1
4
FP5920
CIRCUIT C5920 C5940
AC GND 7A
D5953 D5951
(H5104/W5104) 5 50V1000 50V1000
ON SCHEMATIC
6
DIAGRAM-6
AC_IN
7
SUB+B
8
GND D5956 FP5950
9
D5954 4A
C5950 C5959
CN5950
2200
0.01
D5954-D5957 D5955
D5957
B0EAKM000122
Q5951
2SB0621AHA
VOLTAGE REGULATOR
B0EAKM000122
C5958 R5961 R5960
0.01 150 4.7K
C5956
50V47
D5960
C5957
50V10 B0BA02400030
FL2
1
-VP
2
FL1
3
SYS6V
TO
4
PANEL
SYS6V
5
CIRCUIT
(H6555/W6555) PCONT
6
ON SCHEMATIC
D5966
SYNC D5963
R5963
DIAGRAM-4 7 B0AACK000004 B0AACK000004
82
8
Q5950
D_GND
9
B1AAKD0000014
CN5951
VOLTAGE REGULATOR
C5953
0.01
Q5952
C5952
R5958
10V47
10K
C5954 R5957
0.01 10K
Q5952
B1GACFJJ0018
SYNCHRONISATION SWITCH
: -B SIGNAL LINE
T5950
G4CYAYY00046
8
9
10 7
11 6
12 5
K6B1AEA00015
13 4
14 3
15 2
16 1
17
D5959
C5955
50V22
Q5953 B0AACK000004
B1AACF000064
D5958
B0EAKM000122
PCONT SWITCH
R5951
3.3K
D5961,D5962
B0AACK000004,
D5961
C5961
T5951
10V220
C5951 RTP1H3E002
0.01
ERZV10V511CS
8 1
D5962
7 2
6 3
R5952
4.7K
5 4
R5953
150
C5962
10V220
D5964
B0BA6R800008
C5963
50V4.7
SA-AK343P TRANSFORMER CIRCUIT
RL5950
1 2
4
3
D5965
F1
250V 4A
FC1 FC2
Z5950
JK5950
4 3
AC IN
120V 60Hz
1 2
L5950
ELF15N035AN
11
SA-AK343P