Panasonic SA-HT640WPL Service Manual page 83

SCHEMATIC DIAGRAM-12
C
POWER(SMPS) CIRCUIT
:+B SIGNAL LINE
H
R5791
0
G
CN5714
FANDCOUT
TO FAN 1
GND
2
UNIT
CN5704
FANDCOUT
1
F TO FAN GND
2
FANLOCK
UNIT
3
SIGNAL
DC_DET
+30V
E
S_GND
-30V
D
R5764
10K
AM_BP
Q5710
B1ABCF000011
SWITCHING
C
B
A
1 2 3
:-B SIGNAL LINE
Q5740
Q5741
B1BACG000048
B1ABCF000011
FAN MOTOR DRIVE
FAN MOTOR DRIVE
Q5742
R5770 B1ABCF000011
10K
FAN MOTOR DRIVE
R5756
R5739 R5737
10K
820 10
R5760
10K
Q5744
B1ABCF000011
FAN MOTOR DRIVE
D5743
B0ACCK000005
C5797 D5744
16V10 B0ACCK000005
4 5
C5770
0.01
D5711
B0HBSM000043
1 2 3
D5716
B0HFRJ000012
B0EAMM000057
3 2 1
C5773
0.01
B0EAMM000057
D5712
B0HBSM000043
C5771
0.01
R5729
5.6K
IC5702
C0DABFC00002
SHUNT REGULATOR
R A C
2 3 1
C5720 R5715
0.047 15K
D5903
B0BC01200019
C5916
Q5908 50V100
B1ACKD000005
REGULATOR
6 7 8
83
R5707 R5706
33K 33K 3
D5702
B0ZAZ0000052
1 2 CURRENT LIMMITTING
T5701
ETS42BJ1G4AC
9 8
10 7
11 6
12 5
13 4
14
R5711
D5748
15 2 22
16 1
D5749
C5714
22P
C5772
0.01
C5702
0.01
C5741
10V470
PC5701
B3PBA0000237
1 4
R5708
3.3K
2 3
Q5706
B1BACD000018
Q5746
DIFFERENTIAL
B1GBCFJN0033
AMP
REGULATOR
D5713
B0BC4R0A0006
C5715
16V47
SA-HT640WPL POWER(SMPS) CIRCUIT
9 10 1 1
SA-HT640WPL
D5707
D5705
B0BC035A0007
B0EAMM000057
Q5701
2SC3940ARA
Q5747
SWITCH
B1GDCFJJ0047
SWITCHING
R5710
10K
C5713
1000P
IC5701
STR-F6628
SWITCHING REGULATOR
1 2 3 4 5
D5704
B0JAME000029
C5711
50V56P
C5709
470P
R5704
0.68
R5705
0.68
Q5745
B3PBA0000237
FEED BACK
1 4
2 3
12 13