Panasonic SA-AKX74PH Service Manual page 105

15 16 17 18
SCHEMATIC DIAGRAM - 23
M
SMPS CIRCUIT
: +B SIGNAL LINE
TO SMPS
CIRCUIT (1/2)
P5701
AC IN
110~127V/220~240V 50/60Hz...PH
120V 60Hz...PN
P1
SYNC
3
PW_SYS3.3V
IC5899
C0DAEYY00040
SHUNT REGULATOR
1
2
4
NOTE: " * " REF IS FOR INDICATION ONLY
15 16 17 18
19 20 21
: -B SIGNAL LINE
F1
L5701
R5708 C5701
T6.3AL 250V...PH
G0B932H00002
ERJ8GEYJ155V F0CAF104A105
8A 125V...PN
1.5M 0.1
3 4
ZA5701 ZA5702
DZ5701
2 1
ERZV05Z471CS
R5709
ERJ8GEYJ155V
C5705
1.5M
F1BAF471A013
470P
CHASSIS GND
PC5702
Q5898
B3PBA0000579
SYNC
B1ABCF000176 R5897
100
SYNC SWITCH
4 1
R5896 C5897 R5706
100K 0.01 820K
3 2
PC5799
B3PBA0000579
FEEDBACK
R5894
150
1 4
R5890
2.2K
2 3
ETS19AB2E6AG
SUB TRANSFORMER
18V
6
D5896
B0EAMM000057
3.3V
7 5
R5893
10K 4
8
R5892
1K 9 3
K C5899
10V220
R5895
2
10
15K GND
A
C5898
0.1 1
R
R5891
33K
C5708
F1BAF1020020
1000P
19 20 21
22 23 24
TH5702
D4CAA2R20001
C5704
F1BAF471A013
FOR PH
470P
R5704
220K
D5730
B0ECET000006
R5705
220K
D5701
B0FBAR000049
4
3
2
1
R5798 D5798
22 B0EAMM000057
C5798
25V220
IC5799
MIP2F20MSSCF D5795
B0BC9R000008
SWITCHING MODE POWER
SUPPLY CONTROL
R5786
200K
5 D VCC 4
C5794 R5795
C5790
1000P 470K
2200P
6 NC CL 3
D5793
B0HAMP000094
7 S FB 2
R5797
FOR PH
15K
8 S VDD 1
C5795
C5796
0.1 1
22 23 24
105
25 26 27
K7...PH
0
TP
1
K9...PN
0
C5700
F1BAF471A013
470P
C5703
F0CAF224A105
0.22
FOR PH
FOR PN
N
TL7* TO
(BLK) VOLTAGE SELECTOR
C5711 CIRCUIT
400V470
(RED) IN SCHEMATIC
DIAGRAM - 20
TL8*
FOR PH
C5712
400V470...PH
200V560...PN
1/2 2/2
SA-AKX74PH/PN SMPS CIRCUIT
25 26 27
28
A
B
C
D
E
F
G
H
28