Panasonic SA-AK770PL Service Manual page 108

SA-AK770PL / SA-AK770GCP
15 16 17
SCHEMATIC DIAGRAM - 18
SMPS CIRCUIT
: +B SIGNAL LINE
6
7
4
1
SYNC
Q5898
B1ABCF000176
INVERTER
TO SMPS
SECTION (1/2)
SYS6V
C
3
IC5899
R5895
100
C0DAEMZ00001 A
2
SHUNT REGULATOR
R
1
2
3
5
15 16 17
18 19 20
: -B SIGNAL LINE
PC5702
B3PBA0000402
R5704
R5896 C5897
390K
100K 0.1
4 1
D5730
R5897
100 MA2J11100L
3 2
R5705
390K
SYNC SWITCH
PC5799
B3PBA0000402
R5894
1K
1 4
2 3
FEED BACK
FOR GCP ONLY FOR GCP ONLY
R5799 D5799
ETS19AB256AG 10 B0HAMP000094
BACKUP TRANSFORMER
R5798 D5798
10 B0HAMP000094
6
C5798
50V56
7 5
D5896
B0EAMM000057
4
8
3
9
R5786
200K
2
10
C5790
C5898
2200P
0.1
1
D5793
R5891 B0HAMP000094
33K
18 19 20
21 22 23 24
R5751
22K
Q5750
B1ABCF000176
INVERTER
FOR GCP ONLY
4
3
2
FOR PL ONLY
1
F0C2H1040001
0.1...GCP
D5701
F0CAF224A085
TH5701
B0FBAR000041 0.22...PL
D4CAA5R10001
C5799
50V56
C5712
400V470...GCP
200V820...PL
D5797
MA2J72800L
R5795
43K
5 D VCC 4
C5794
22P
NC
6 CL 3
R5796
2.2K
7 S FB 2
R5797
4.7K
8 S VDD 1
C5791
50V2.2
IC5799
MIP4110MSSCF
SWITCHING REGULATOR
21 22 23 24
108
25 26 27
IC5780
C0ABBA000168
OP AMP
1 2 3 4
-VCC
IC5780
+VCC
8 7 6 5
R5790
D5796
D5796 33K
MA2J11100L
R5789
22K
R5788
22K
TO
BLK
AC INLET CIRCUIT
IN SCHEMATIC
RED
DIAGRAM -10
C5703
TO
WHT VOLTAGE SELECTOR
CIRCUIT
BLU
IN SCHEMATIC
DIAGRAM -10
FOR GCP ONLY
SA-AK770PL/GCP SMPS CIRCUIT
1/2 2/2
25 26 27
28
A
B
C
D
E
F
G
H
28