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SA-HT640WPL
SCHEMATIC DIAGRAM-12
C
POWER(SMPS) CIRCUIT
:+B SIGNAL LINE
H
R5791
0
G
W5844
0
CN5704
FANDCOUT
1
F
TO FAN
GND
2
FANLOCK
UNIT
3
D
SIGNAL
D
DC_DET
D
+30V
E
D
S_GND
D
-30V
D
R5764
10K
AM_BP
Q5710
C
2SC3940ARA
SWITCHING
B
D : POWER (DIGITAL AMP) : SCHEMATIC DIAGRAM 10-11
S : POWER (SMPS) : SCHEMATIC DIAGRAM 12-13
A
1
2
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:-B SIGNAL LINE
Q5740
Q5741
B1BACG000048
B1ABCF000011
FAN MOTOR DRIVE
FAN MOTOR DRIVE
Q5742
R5770
B1ABCF000011
18K
FAN MOTOR DRIVE
R5756
R5739
R5737
10K
560
10
R5760
10K
Q5744
B1ABCF000011
FAN MOTOR DRIVE
D5743
B0ACCK000005
C5797
D5744
16V10
B0ACCK000005
3
4
5
C5770
0.01
D5711
B0HBSM000043
1
2
3
D5716
B0HFRJ000012
D5748
B0EAMM000057
3
2
1
C5773
D5749
0.01
B0EAMM000057
C5772
1200P
D5712
B0HBSM000043
C5771
0.01
R5729
5.6K
IC5702
C0DABFC00002
SHUNT REGULATOR
R
A
C
3
2
1
C5720
R5715
0.1
15K
D5903
R5917
B0BC01200019
4.7K
C5916
Q5908
50V100
B1ACKD000005
REGULATOR
6
7
8
24
D5707
B0BC035A0007
R5707
R5706
3
33K
33K
Q5701
D5702
B0ZAZ0000052
2SC3940ARA
1
2
CURRENT LIMMITTING
SWITCH
R5710
10K
T5701
ETS42BJ1G4AC
C5713
1000P
9
8
10
7
11
6
12
5
13
4
14
R5711
15
2
22
16
1
SWITCHING REGULATOR
W5853
0
C5741
C5740
6.3V820
6.3V820
1
PC5701
B3PBA0000402
4
1
R5708
3.3K
2
3
Q5706
B3PBA0000402
B1BACD000018
Q5746
DIFFERENTIAL
B1GBCFJN0033
AMP
PCONT
D5713
B0BC4R0A0006
C5715
16V47
SA-HT640WPL POWER(SMPS) CIRCUIT
9
10
1 1
D5705
B0EAMM000057
Q5747
B1GDCFJJ0047
SWITCHING
IC5701
STR-F6628
2
3
4
5
C5779
0.1
D5703
B0BC02900004
D5704
B0JAME000029
C5711
50V56
C5709
470P
R5704
0.68
R5705
0.68
Q5745
FEED BACK
4
1
2
3
R5954
0
12
13
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