Panasonic SA-BT222EB Service Manual page 115

15 16 17 18
SCHEMATIC DIAGRAM - 30
D
SMPS CIRCUIT
: +B SIGNAL LINE
P1
Q5898
SYNC
B1ABCF000176
INVERTER
R5897
100
C5897
R5821
100K 0.1
R5890
2.2K
D5896
B0JAMF000011
SYS5V
R5895 R5893
15K 33K
2 A K 3
C5899
C5898 R5892
1 NC VREF 4
0.1 3.3K 10V220
IC5899
R5891
C0DBZMC00006 33K
SHUNT REGULATOR
GND
PCONT
7
6
5
4
TO SMPS
SECTION (1/2)
3
1
2
15 16 17 18
19 20 21
: -B SIGNAL LINE
PC5702
B3PBA0000402
SYNC SWITCH
4 1
R5898
820K
3 2
D5711
PC5799
MA2YF8000L
R5894
B3PBA0000402
1K
FEED BACK
1 4
2 3
T5751
ETS19AB2A6AG
SUB TRANSFORMER
R5798
100
6
C5798
D5716
IC5799
50V10
B0EAMM000057
7 5
MIP2F20MSSCF
SWITCHING POWER
SUPPLY CONTROL
8 4
9 3 5 D VCC 4
R5786
C5795
220K
1000P
10 2 TR 3
C5790
2200P
S FB
1 7 2
D5715
B0HAMP000094
SD VDD
8 1
C5706
F1BAF471A013
470P
C5713
0.01
D5704
B0BC020A0267
Q5720
B1BAAJ000003
R5722 D5706
CURRENT LIMITING SWITCH
2.2K B0ACCK000005
R5721
10K
C5720
100P
D5705
B0BC020A0267 D5710
B0EAMM000057
C5721 C5726
D5708
220P 50V10
B0ACCK000005
19 20 21
22 23 24
R5704
120K
R5706
R5707
270K
390K
L5703
ELF21N015A
F0CAF104A105
4 3
R5701
1.5M
R5700
1 2
1.5M
C5703
F0CAF104A105
R5797
0.1
15K
R5795
470K
C5796
0.1
D5719
B0EDKT000009
1 4
C5799
400V6.8
RY701
2 3
K6B1AEA00003
4 2
R5820 2.7K
D5899
B0ACCK000005
Q5899
3 1
B1ABCF000176
SWITCH
D5701
B0FBAR000043
R5899
47K
4
3
2
1
C5HACYY00003
SWITCHING REGULATOR
D5709
B0ACCK000005
7
C5723
470P
6
C5725
5
0.1 R5733
47K
4
C5722
C5724 C5730
1000P R5732
D5713 3
220 1000P 1
B0BC030A0264
2
C5747
820P
1
R5726
R5727
0.27 0.27
22 23 24
115
25 26 27
L5702 C5701 (RED)
C5702
F1
ELF21N015A TH5702
F0CAF104A105
T4AH 250V TL11*
0.1 D4CAA5R10001
0.1
4 3
ZA5702 ZA5701
1 2
TL21*
DZ5701 (BLK)
ERZV10V511CS
1
2
ZJ5701
3
C5705
F1BAF1020020
1000P
K5722
0
K5726
0
K5728
0
IC5701
OCP/BD
R5723
33K
FB
C5712
400V180 R5724
33K
OLP/SS
3
ZJ5702
VCC
2
1
C5700
GND
F1BAF1020020
1000P
HEATSINK*
S
D
G1 G2
1/2 2/2
SA-BT222EB/EG SMPS CIRCUIT
25 26 27
28
A
B
G
TO
AC INLET
CIRCUIT IN
SCHEMATIC
C
DIAGRAM - 31
D
E
F
G
H
28