Panasonic SA-HT740GCP Service Manual page 76

SA-HT740GCP
SCHEMATIC DIAGRAM-14
C
POWER(SMPS) CIRCUIT
:+B SIGNAL LINE
H
W4005
0
G
CN5714
FANDCOUT(+)
1
GND
TO FAN D5753
2
B0ACCK000005
FANLOCK
UNIT
3
CN5704
FANDCOUT(+)
1
F TO FAN GND D5754
2
B0ACCK000005
UNIT FANLOCK
3
+12V
+50V
PGND
E
+30_VDD
PGND_30
-30_VDD
D
W4101
0
W4103
0
-VP
C
B AM_BP
VCC_CONT
R5901
0
R5902
0
A
1 2
:-B SIGNAL LINE
Q5741 Q5740
B1BACG000048
B1ABCF000011
W4102
0
FAN MOTOR DRIVE FAN MOTOR DRIVE
Q5742
B1ABCF000011 D5773
R5739 R5748
B0BC6R700006
10K 10K
FAN MOTOR DRIVE
R5756 R5737
10K
10
R5760
10K
C5797 D5743
16V10 B0ACCK000005
Q5744
Q5932
B1ABCF000011
D5744
FAN MOTOR DRIVE B1ADCF000001
B0ACCK000005
TRANSFORMER
TEMP. DETECT
IC5705
C0CAAYG00011
+12V REGULATOR
C5913
50V220
D5903
R5917
MAZ82200ML
3 2 1
4.7K
C5915
0.1
C5916
50V100
Q5704
Q5908
B1ADBL000010
B1ACKD000005
SWITCHING
REGULATOR
R5740
Q5751
2SC3940ARA
SWITCHING
R5747
10K
Q5726
B1ABCF000011
INVERTER
3 4 5
D5711 D5717
B0HBSM000043 B0HBSM000043
R5798
8.2
1 2 3 1 2
C5781
0.01
W4106
0
+12V
DC_DET
Q5930
B1ABCF000011
TRANSFORMER
TEMP. DETECT
Q5931
B1ABCF000011
TRANSFORMER
TEMP. DETECT
3 2
D5716
B0HBSM000043
W4006 R5729
0 1.5K
IC5702
C0DABFC00002
R5775
10K
SHUNT REGULATOR
R A C
2 3 1
C5703
50V10P
C5720 R5715
100K
0.1 15K
R5714
5.6K
Q5760
B1ABCF000011
BUFFER
R5789
10K
6 7 8
76
R5707 R5706
3
33K 33K
3
D5702
B0ZAZ0000052
1 2 CURRENT LIMMITTING
R5710
T5701
ETS42BJ1K6AD R5711 D5710
22 B0EAMM000057
9 8
10 7
11 6
12 5
13 4
14 3
15 2
D5718 16 1
B0HFRJ000012
1
R5717 R5730
4.7K 82K
PC5701
B3PBA0000402
1 4
R5708 W4111
3.3K 0
2 3
Q5702
B1ABCF000011
R5720 C5764 R5783
SWITCHING
10K 0.01
5.6K
R5719
10K R5718 R5731
100K 5.6K
R5782
5.6K
IC5703
C0ABBB000067
DIFFERENTIAL AMP
Q5746
B1GBCFJN0033
INVERTER
R5743
10K
R5741
1K
W4007 C5722
0
0.1
SA-HT740GCP POWER(SMPS) CIRCUIT
9 10 1 1
D5707 D5705
B0BC035A0007 B0EAMM000057
Q5701
2SC3940ARA
Q5747
SWITCH
B1GDCFJJ0047
SWITCHING
10K
C5713
1000P
IC5701
C5HABZZ00125
SWITCHING REGULATOR
1 2 3 4 5
D5704
B0JAME000029
C5711
50V56
C5709
470P
R5704
0.68
Q5745
B3PBA0000402
FEED BACK
1 4
2 3
12 13