I) Transformer Circuit - Panasonic SA-VK725DGC Service Manual

3.3.

(I) Transformer Circuit

SCHEMATIC DIAGRAM - 25
TRANSFORMER CIRCUIT
AC_IN
15
+VccH
14
+VccH
K9810
13
ERDS1FVJ120T
+VccL
12
AC_GND
11
AC_GND
TO 10
-VccL
POWER
9
-VccH
CIRCUIT
8
-VccH
(H9500) ON
7
SCHEMATIC
SUB+B
6
DIAGRAM - 23
DGND
5
D+5V
4
DVD_AC
3
DVD_PCONT
2
DGND
D9501
1
B0AACK000004
CN5804
H9502/
W9502
TO
SUB+BGND
MAIN CIRCUIT
1
(CN2814) ON
2
SCHEMATIC
D+5V
3
DIAGRAM - 12
6.3V1000
G0ZZ00001930
R9513
330
R9512
C9533
3.9K
6.3V1
R9514
1K
FL_GND
7
FL2
TO
6
FL1
PANEL CIRCUIT
5
(H6800) ON
PCONT
4
SCHEMATIC
SYS6V
3
DIAGRAM - 20
SYNC
2
-VP
1
CN9500
2SB0621AHA
R9517
22K
K9811 K9812
ERDS1FVJ120T ERDS1FVJ120T
R9836
4.7
R9515
1K
C9515
IC9500
C0DAAMH00010
DC - DC CONVERTER
5 4 3 2
L9500
R9511 C9507
1K 100P
R9502 R9501 R9500
10 10 10
D9513, D9514
B0EAKM000126
C9517
D9516
D9514
50V10 B0BA03100002
C9512
50V47
R9519
150
C9505
R9520
D9513
0.01
4.7K
R9521
4.7
Q9503
-VP REGULATOR
Q9502
B1AAGC000007
REGULATOR
C9503
R9503
1000P
820K
Q9501
2SD21370PA
REGULATOR
C9502
D9511
0.01 B0EAKM000125
D9510
C9508
B0AACK000004 D9515
10V47
B0BA7R000005
: +B SIGNAL LINE
: -B SIGNAL LINE
D9504
B0FBAM000009
C9501
0.1
1 2 3 4
R9508
1
R9509
1
R9510
1
R9522
1
R9507
1
1
D9522 - D9529
R9516 B0EAKM000126
1K
Q9504
C9514
25V220
D9508
B0EAKM000125
Q9504
B1ACKD000004
POWER SUPPLY SWITCH
FP9500
C9509
1000
50V47
RL9500
K6B1AE00015
2 1
4 3
ERZV10V511CS
D9500
B0AACK000004
R9505 C9511
1.2K 25V470
D9509 C9504
0.01
B0EAKM000125
R9504 C9510
1.5K 25V470
R9518
3.3K
23
T9500
G4C7AGK00008
8
7
9
5
10
1
11
3
12
6
13
4
14
2
15
16
17
FP9501
4000
C9506
0.01
F1
250V 3.15A
FC2 FC1
Z9500
T9501
G4C2AAJ00005
Q9500
B1AAGC000007
PCONT SWITCH
SA-VK725DGC
S5950
VOLTAGE SELECTOR
1
A
2
B
3
A: 220-240V
B: 110-127V
4
A
5
B
6
JK9500
AC IN
110-127V/
220-240V
50/60Hz