Panasonic SA-BTT775GA Service Manual page 150

15 16 17 18
SCHEMATIC DIAGRAM - 16
H SMPS CIRCUIT
: +B SIGNAL LINE
P1
SYNC
R5897
Q5898
100
B1ABCF000176
SWITCH R5821 C5897
100K 0.1
IC5899
C0DBZMC00006
SHUNT REGULATOR
R5890
2.2K
2 3
A K
1 NC VREF 4
SYS6V
R5895 R5893
15K 33K
C5898 R5892
0.1 3.3K
R5891
33K
PGND
PCONT
6
1
5
4
2
TO SMPS
CIRCUIT (1/2)
3
NOTE: " * " REF IS FOR INDICATION ONLY
15 16 17 18
19 20 21
: -B SIGNAL LINE
PC5702
B3PBA0000503 R5704 R5706
SYNC 120K 270K
4 1
D5711
R5898 R5707
B0ECET000002
820K 390K
3 2
PC5799
B3PBA0000503
FEEDBACK
R5894
1K
1 4
2 3
T5751
ETS19AB2A6AG
SUB TRANSFORMER
D5716
R5798
100 B0EAMM000057
+12V
6
D5896
C5798
B0EAMM000057
50V10
+6V
7 5 MIP2F20MSSCF
8 4
9 3
C5899
10V220
10 2
GND
1
C5799
400V6.8
C5706
F1BAF471A013
470P
IC5701
C5HACYY00008
SWITCHING REGULATOR
D5709
B0ACCK000005
7 OCP/BD
R5732 C5723
220 470P
6 FB
C5725 5
OLP/SS
0.1
4 VCC
R5733
47K
D5713 C5724
B0BC030A0264 1000P 3 GND
C5730
1
2 S
1
D
C5747
820P
R5726
0.15
19 20 21
22 23 24
D5719
B0EDKT000009
2
1
IC5799
SWITCHING POWER
SUPPLY CONTROL
5 VCC
D 4
C5795 R5795
1000P 470K
CL
3
B0ACCK000005
7 S FB 2
R5797
15K
8 S VDD 1
C5796
0.1
R5820
R5899
2.7K
47K
D5701
B0FBAR000043
4
3
2
1
C5700
1 F1BAF471A013
470P
2
ZJ5702
3
22 23 24
150
25 26 27
(RED)
TH5702
TL11*
I
D4CAA5R10001
TO
AC INLET
CIRCUIT IN
SCHEMATIC
3
DIAGRAM - 17
TL21*
(BLK)
4
RY701
K6B1AYY00065
4 2
D5899
3 1
Q5899
B1ABCF000176
PCONT
(WHT)
K
TL3*
TO
VOLTAGE SELECTOR
CIRCUIT IN
SCHEMATIC
DIAGRAM - 17
TL4*
(BLU)
C5702
F0CAF104A105
0.1
R5723
33K
HEATSINK*
C5711
400V200
R5724
33K
G1 G2
C5712
400V200
1/2 2/2
SA-BTT775GA/PU SMPS CIRCUIT
25 26 27
28
A
B
C
D
E
F
G
H
28