Panasonic SA-PT250GCP Service Manual page 90

SA-PT250GCP
15 16 17
SCHEMATIC DIAGRAM - 14
H
SMPS CIRCUIT
:+B SIGNAL LINE
H6
H7
H5
H1
SYNC
TO SMPS
SECTION (1/2)
SYS6V
B1ABCF000176
LIMITING SWITCH
H2
H4
H8
15 16 17
18 19 20
:-B SIGNAL LINE
PC5702
B3PBA0000402
R5896 C5897
Q5898
100K 0.1
4 1
B1ABCF000176
R5897
100
INVERTER
3 2
SYNC SWITCH
PC5799
B3PBA0000402
1 4
2 3
FEED BACK
ETS19AB236AG
BACKUP TRANSFORMER
7
D5896
B0EAMM000057
8
Q5899
C5898
9
0.1
CURRENT
Q5899
10
D5897
B0BC3R700004
18 19 20
21 22 23
B1ABCF000176
R5704
390K
D5730
B0ACCK000005
R5705
390K
D5799
R5799
10 B0EAMM000057
C5799
R5798
D5798
10
B0EAMM000057 50V56
6
C5798
50V56
5
4
D5797
3 MA2J72800L
R5786 R5795
68K 43K
2 5 D VCC 4
C5794
C5790
22P
2200P
1 6 NC CL 3
R5796
2.2K
D5793
B0EAKB000004
7 S FB 2
W5011
R5797
0
4.7K
S
8 VDD 1
C5791
50V2.2
IC5799
MIP4110MSSCF
SWITCHING REGULATOR
21 22 23
90
24 25 26
IC5780
C0ABBA000168
OP AMP
1 2 3 4
R5751 -VCC
22K
IC5780
Q5750
+VCC
INVERTER
8 7 6 5
D5796 R5790
D5796 33K
B0ACCK000005
R5789
22K
R5788
22K
4
GRY
3
D5701
B0FBAR000041
WHT
2
C5703
ECQU2A104MLC
0.1
1
RED
BLU
D5797
1/2 2/2
SA-PT250GCP SMPS CIRCUIT
24 25 26
27 28
A
B
C
D
E
I
TO
AC-INLET
CIRCUIT
IN SCHEMATIC
DIAGRAM - 15
K
TO
VOLTAGE F
SELECTOR CIRCUIT
IN SCHEMATIC
DIAGRAM - 15
G
H
27 28