Panasonic SA-HT940PC Service Manual page 79

SCHEMATIC DIAGRAM-13
C
POWER(SMPS) CIRCUIT
:+B SIGNAL LINE
H
B1ABCF000011
R5739
10K
G
CN5714
FANDCOUT(+)
1
GND
TO FAN D5753
2
B0ACCK000005
FANLOCK
UNIT
3
C5797
CN5704
16V10
FANDCOUT(+)
1
F GND
TO FAN D5754
2
B0ACCK000005
UNIT FANLOCK
3
+12V
+50V
PGND
E
+30_VDD
PGND_30
-30_VDD
D
-VP
C
B AM_BP
R5747
VCC_CONT
R5901
0
R5902
0
A
1 2 3
:-B SIGNAL LINE
Q5741 Q5740
B1BACG000048
FAN MOTOR DRIVE FAN MOTOR DRIVE
Q5742
D5773
R5748 B1ABCF000011
B0BC6R700006
10K
FAN MOTOR DRIVE
R5756 R5737
10K
10
R5760
10K
Q5930
B1ABCF000011
D5743
B0ACCK000005
TRANSFORMER
TEMP. DETECT
Q5744
Q5932
B1ABCF000011
D5744
FAN MOTOR DRIVE B1ADCF000001
B0ACCK000005
TRANSFORMER
TEMP. DETECT
IC5705
C0CAAYG00011
+12V REGULATOR
C5913
50V220
D5903
R5917
MAZ82200ML
3 2 1
2.2K
C5915
0.1
C5916
50V100
Q5704
Q5908
B1ADBL000010
B1ACKD000005
SWITCHING
REGULATOR
R5740
100K
Q5751
2SC3940ARA
SWITCHING
10K Q5726
B1ABCF000011
INVERTER
4 5 6
D5711 D5717
B0HBSM000043 B0HBSM000043
R5798
8.2
1 2 3 1 2 3
C5781
0.01
+12V
D5718
B0HFRJ000012
3 2 1
D5716
B0HBSM000043
PC5701
B3PBA0000237
R5729
1.5K
1
2
Q5702
B1ABCF000011
IC5702
SWITCHING
C0DABFC00002
R5775
10K
SHUNT REGULATOR R5719
10K
R A C
2 3 1
C5703
50V10P
C5720 R5715
0.1 15K
R5714
5.6K
Q5760
B1ABCF000011
BUFFER
R5789
10K
7 8 9
79
D5707
B0BC035A0007 B0EAMM000057
R5707 R5706
33K 33K 3
Q5701
D5702
2SC3940ARA
B0ZAZ0000052
CURRENT LIMMITTING
1 2
SWITCH
R5710
10K
T5701
ETS42BJ1D4AD R5711 D5710
C5713
22 B0EAMM000057
1000P
9 8
10 7
11 6
12 5
13 4
14 3
15 2
16 1
IC5701
C0DAAMH00004
SWITCHING REGULATOR
1 2
R5717 R5730
4.7K 82K
B0JAME000029
4
R5708
3.3K
3
R5720 C5764 R5783
10K 0.01 5.6K
R5718 R5731
100K 5.6K
R5782
5.6K
Q5745
IC5703
C0ABBB000067 B3PBA0000237
FEED BACK
DIFFERENTIAL AMP
Q5746
1
B1GBCFJN0033
INVERTER
2
R5743
10K
R5741
1K
C5722
0.1
SA-HT940P/PC POWER(SMPS) CIRCUIT
10 1 1
SA-HT940P / SA-HT940PC
D5705
Q5747
B1GDCFJJ0047
SWITCHING
3 4 5
D5704
C5711
50V56P
C5709
470P
R5704
0.82
R5705
0.82
4
3
Q5753
B1ADCF000001
SWITCHING
12 13