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Repair Diagram for Modified Power Inverter
MI 150~2000W ( PI 150~2000W ) Series
Power Input MOS-FET Output MOS-FET Fuse
Switch ON
12VDC IR1405 FQPF18N50 35A/32VDC
1000W
No Beep Yes 24VDC IR3710 FQPF18N50 20A/32VDC
12VDC IR1405 FQPF28N50 35A/32VDC
2000W
24VDC IR1405 FQPF28N50 20A/32VDC
Bus Voltage
220VAC 280VDC Yes
Bus Voltage No
No 220VAC 280VDC
220VAC 280VD
Yes Output Voltage
1. MOS-FET
No Yes
2. Control Board
1. Fuse Output Voltage
2. MOS-FET Full Load
3. Switch 1. MOS-FET
No Yes
2. Control Board
Buzzer
(Control Board)
1. MOS-FET Fan
Yes
2. Control Board No
Power Input MOS-FET Output MOS-FET Fuse 1. Control Board OK
12V IR3205/STP601VF06 IRF740/UTC830 20A/32VDC 2. Fan(12VDC)
150W
24V IR3710/STP601VF06 IRF740/UTC830 10A/32VDC
12V IR3205/AOT430 IRF740 35A/32VDC
300W
24V IR3710/AOT430 IRF740 20A/32VDC
12V IR3205/AOT430 IRF740 35A/32VDC
500W
24V IR3710/AOT430 IRF740 20A/32VDC
1 2 3 4 5 6
Vin - IS1 Iin
F1
C20/100UF 35V
D C11 F2 D
F3 C1 C2 C3 C4 D1 D2
F4 + + + +
C12 20A*4(24V) T3
35A*4(12V)
D24-D27/4148*4 IRF18N50*4
Vin +
4700uF/16V*4 (12V) 6A4*2 T1
1000UF/35V*4 (24V) + + + Q13 Q14
C14 C15 C16 R23
R3/15E 100K1/4W GL GR
D1
R15/10E R16/10E
R4/15E Q1 Q2 Q3 150uf/400V*3
C9/103 100V
SL C13 S
R5/15E R24/1M ACN ACL
D4-D11
MUR406*8 102/1KV
C C
Q15 Q16
L R
R1/15E 1/4W(12V)
R1/1K 1/4W(24V)
R17/10E R18/10E
D20
R27/100E
R6/15E D21 AUX IS2
R7/15E 1N4148*4 + +
C21 C22 C11
D22
Q4 Q5 Q6 100U/35V 100U/35V 104/50V CT2
R8/15E
D2 D23
IRF1405*6 (12V)
IRF3710*6 (24V)
B D B
R28
1K Vc+
U2
V+
R19
R30/3K 10K
VC Q17
U1 C23 D882
K10101817B 104 CN4
1
TL431
1
2
Vc+ SW1
SW2 1 Vc+ R26 R25 R20
12K
2 2 SW FAN
20K 200K Q18
2
1
1 SW3
CN3 TIP42 V+
CN1(REMOTE CONTROL)
24V MODEL ONLY
A A
Title
APPROVED BY CHECKED BY DESIGNED BY M1000 MAIN CIRCUIT
COTEK ¤ l ¨ ó¹ ªq Y (©ø¤s )¥q¦³-¤½
Size Number Revision
B Text A
COTEK ELECTRONIC(KUNSHAN) CO,.LTD Date: 2-Feb-2007 Sheet 1 of 1
File: C:\Documents and Settings\cheng\±-à® \M1000SCH.DDB ERIC
Drawn By:
1 2 3 4 5 6
1 2 3 4 5 6
D D
R77
10E D26 D27
C35 FR107 FR107
104
R71 R72
RG
1K 4.7K D22
R64
C28
Q17 4.7K 4148
R62
4.7uF/16V
MMBTA44/45
47K R78
3.3K R79
S
4.7K R63 C32
R61 +
10UF/25V
C C
8 R85 1K
D41 U6 3 10K
R90
10E R84
1 1K
CTRL
2IN+
C2
VCC
E2
E1
2
2IN-
REF
G
10K FR107 4 Q16 R73 R65 C33
+
LM358
MMBTA44/45
TL494 U4 R59 R60 D23
R87 C26 47K 47K 10UF/25V
FMMBTA06
+
1K 1K 4148
GND
1IN+
DTC
1IN-
C38 + 4.7K
C1
CT
RT
FB
C37 10UF/25V R69 R70
47uF/35V SL
R86 10K 4.7K
R57
104/50V R88 1.2K
100K
1K
Q15 R74 R75 R66 R67
VR1
100nJ/100V C29
R68 D25 100K 100K
R83 D24 C30 C31
B
3.3K 4148 B
LIN C27 R56 104 104
+ 200K
D21 3.3K 4148
47UF/35V
10K
4148
R89
1.5K
D32
BZM5256 +
R58 R76 C34
R
L
6.8K 15K 0.22UF/50V
A A
Title
COTEK ¨óªY¤l
¹q (©ø¤s )¥q¦³-¤½ APPROVED BY CHECKED BY DESIGNED BY D-AOuϹ ô¸
ª ½
Size Number Revision
COTEK ELECTRONIC (KUNSHAN)CO.,LTD B
Date: 2-Feb-2007 Sheet of
File: C:\Documents and Settings\cheng\±-à® \Î¥q³ Drawn By:
D-ASCH.ddb
1 2 3 4 5 6
1 2 3 4 5 6
VCC
D
D36 FR107 VCC
D11 Q21
R25 R24 4148 SS8050
2
1
D D
D16 R52 2M V
330K
4148 R31 CON2
4.7K Q10
1K SS8550
R26
R48 GND
4.7K 1K R33 R32 Q20
LED1
1K 1K SS8550
DR
R50 Q14
C17 + D12 Q9
47UF/35V
2.2K FMMBTA56
R35 4148 SS8050
CTBL
E1
2IN+
VCC
C2
E2
2IN-
REF
4.7K
TL494 U1
GND
1IN+
DTC
1IN-
BZ1
IS
CT
RT
FB
R37
C1
C C
LED2 Q12 1M
U2 10 U2
R53 R22 3 8
R30
FMMBTA06 1 9
472J/100V
R47
C23 10K 10K C14 2
10K R46
+
+ C12 + C15 D15
R21
100U/35V
R51 R49 C21
BZM5245
2.7K
22UF/35V
47UF/35V
C18
2K
1K 104
3.3K
10K R40
47UF/35V
C16 R38 R39 + R36
D13
103 1K 10K 1K 2K
4148
R27 R80
R23 470K
100K D17
1K D14 R?
R43 R45 4148
4148 RES2
C22 470K
B R41 1K B
R55 47uF/35V
100K
5 4
U2 12
14
Q11 6 U2 7 13
11
FMMBTA56
C19 R42 D18
R?