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1 2 3 4 5 6 7 8


1
2
L1 400UH




1
1
N FUSE1
1 2 ACL IND-IN IGBT-C
1 2




1


2




4



2
15A/250V




C
250# C3
DB IGBT




AC


V+
R53 20A/600V 60A/900V R13 DEVICE
D
AC220V 560K*/1W
C1 CNR1
0.3UF/1K2V 10/1W
D
2U/275V




AC
B




V-
10D241
Z1
C2 20V R12
L
ACN 5U/400V 4.7K




3


4
250# CT1




E
1:850

GND GND
+5V C6 D20
2R59
D2 D1 104
1
IN4007 IN4007 A
K
IN4148 330REC5 R21
R2 R58
R53 D21 2.2U/16V
51K*




2




2


2
200R 500R 1 2




2
47 A
K
R14 D12 D23 D22




K
IN4148




A
330K*/2W IN4148 IN4148




K


K
Q7 +18V




A


A
C
R54 +5V IN4148 D24 D25
VIN
1
B
9014 R57 1 2




C
A
K

1
100K




E




1


1
R15 R10 Q3 10K IGBTEN
6.8K* EC3 IN4148 IN4148 GND
1K 8050




2
47U/16V R25
B
+5V




3
1 0805-1K
C R18 +5V C
C9




3
GND EC4 4K7 +5V




2
R17




C
22u




2
221




12
U1 +5V R30 R31 C12
Q4 R4 GND GND




E
CN5 1 3 4K7 D16
GND




D15 IC1A 2K 10K 101




K
Vin Vout




A
8050R19 10K IN4148




2




K
EC1




A
C4 EC2 BZ1 B IN4148 IND-IN R23 4 C11
D4 D6 R3 1
IN4007 IN4007 4BZ 2 GND
10K 4K7 330K*/2W




3
4
3
2
1




1
104 220U/16v R26 C10 5




1
2N2/63V
2




2
4.3K* 101
470U/25V C5 PAN-IRQ
Q2 LM339




E
8050 GND C7 +18V




3
104



C
R16
D5 D7 B
1
IGBT-C R24
GND
R27 R28 8
IN4007 IN4007 4K7
E
R20 104 14
240K*/2W 240K*/2W 4.3K*
100K R29 9
Q5
Z3 2.2K* IC1C R40
3
GND D667 +18V
CURRENT 18V/0.5W R35 LM339 56 +18V
C E GND GND C19 20K* R39
D8 D10 +5V
IN4007 IN4007 R32 FAN 102
5.1K*




C
Q11 R42
EC13




1/2W 680
470uF/35V




C13 8050 BUZ-T-M GND C20 1.2K(

V-INEN 104 +5V
PTB6
B




104 B
EC8

220uF/35V




Z4 R7




2
D9 D11 18V GND Q9
EC7 20K PAN-IRQ 8050/EBC
IN4007 IN4007
IC2 R38 D17 10
B 47UF/35V B




K
A
150K* IN4148 13




E
R36 R41





1
GND +5V 1 16 GND PWM-TCH0 11
GND Vdd VSS IC1D
GND IGBTEN 2 15 AB
2




1
PTB7 PTB0 15K 15K*
V-INEN 3 14 CLK D19 C15 LM339
R5




A
PTB6 PTB1




K




E
TEMP-IGBT
4 13 PWM-TCH0 R37 EC9 C14 IN4148 471 DEVICE
10K Q6 PTA5/AD3 PTA0/AD0/TCH0
R11 C18 R34 150K* 2.2U/16V 104
E




CURRENT 5 12 BUZ-T-M
1
B
8550
6
PTA4/AD2 PTA1/AD1/TCH1
11 L1 102/400V
820K/1W GND




2
PTB5 PTB2
1K KEY1 7 10 L2 +5V +5V B
C




EC6 PTB4 PTB3
2 2u F/1 6 V FAN 8
PTA3 PTA2/IRQ
9 PAN-IRQ
R33
GND Q8
8550/EBC
C21
EC15
3




330K/1W C17
MC68HC908QY4 +5V C26 +5V 47U/16V 104 201




C
GND GND R6
+18V GND
D26
CN4 +5V 100K
FAN
2




CN6 +5V +5V R22 104 GND GND
IGBT 2




2
TEMP-IGBT 120K
1