5/28/2018 mlt666_rev2.8l_166

1/1

1 2 3 4 5 6

A

B

C

D

654321

D

C

B

A

EC2

C2

R31

R26

R30

R133

R139A

C48

C20

R136

C22R38

R16

1

2

C6

11

2 2

3 3

44

HL3

1

1

2

2

D5

R65

C5

C4

C25

C14

R12

11

2 2

3 3

44

HL2

R63

R126

R33

R51

R41

R40

C58

C9

C19

R72

1

2

R68

R56

A1

K 2

C

4

E

3

P1

Z10

R35

R52

R4

R1

R36

R130

D6B

A

1

K

2

Z6

1

2R139C

C28

C40

R78

R131

R21B

R24

R21C

R148

R98

R21F

Z2

R141

P2

R42

R85

R25

D8

R140

R138

R100

R99

C33

R28

R57

R58

R37

R69

R59R67

C50

R90

R15

C24

C17

C16

C49

C10

C31

2

2

3

3

1 1

IC4

R127

C43

1

1

2

2

D6A

R64

R125

R21G

R20

R132

R32

D14B

C29

C59

1

2

3

4

BG1

D2

1 1

22

D1

D3

R10

R27

R34

D9

VREF

R47 R48R53

Z1

C13

D20

R66

EC1

EC6

R17

R29

R43

EC22

+5VSB

EC8

R82

1

2

EC7

R7 R8 R9

B1

C

3

E

2

Q7

Q10

B 1

C

3

E

2

Q4

Q1

G1

D

3

S

2

Q2

G1

3

2

Q8

G 1

3

2

Q12

Q3

R46

R18

1

1

2

2

F1

53

2

T2A

EC21

R21E

R21A

R11

G1

3

2

Q9

C15

R21D

R2

R49 R54F

R71

R116

R6

C23

R70

R74

R14

C3

R139D

5 3

2

L2

R45

R137

R19

53

2

PL1B

Q6

C11

C57

Z4

15VCC

D18

R50

R54E

R83

11

2 2

3 3

44

HL1C1

1

2

CY1

CY2

VREF

R54A

R39

C18

15VCC

11

2 2

D4

R139B

R13

12 L41 2

L3

5 3

2

PL1A

INV1

COMP

2

MULT3

CS4

ZCD 5

GND 6

GD

7

VCC 8

IC5

C7 C8 C44

LIMIT1

VREF2

CS-3

CS+4

EA+5

EA-6

COMP7

CT8

RT 9

SYNC 10

OUTB 11

GND 12

VC 13

OUTA 14

VCC 15

SHUT 16

IC2

1

2

L7

12 L12

Q5

D10

5 3

2

T3A

R44

1

2

L6

5

3

2

T1A

1

2

L5

5

3

2

T1B

5

3

2

T1H

G1

3

2

Q14

GND1

COM2

RT3

FB 4

VCC 5

OUT 6

IC1

EC23

EC24

EC16

R101

R86

R95

C34

EC9

D14A5

3

2

T1D EC11 EC19

5 3

2

L8

Z8

R87B

R87A

R89

R118

R96

C37

EC13

D16

5

3

2

T2C

EC14 EC20

R119

R124

R97

C45

EC12

D11B

5

3

2

T2D EC10

5 3

2

L10

5 3

2

L9

R120 R143 R144 R145

R142

R112 R113 R114 R115

R147 R146 R117

R88B

R88A

C38

EC15

D17

5

3

2

T3C

R122 C46

EC17D11A

5

3

2

T3D

P4

Z7

R107 R108

R111R79

R81

R80

R109 R110

R77

2

2

3

3

1 1

IC3

P3

R76

R84

R75

R103

G

1

32 Q13

G

1

3 2Q16

C52

C53

C51

R128

R123

R121

A3

VCC

F3

15VCC

K1

8D

VCC

OVP

K1

12VA A15A9OVP

18V 24V

F1

F2

24V

A17

A17

A17

12VA

A15

12VB

SGND

G

1

3 2

Q15

C55

C54

C56

R129

+5V

SGND

2

2

3

3

1

1

IC6

24V

20V 18V

SGND

GND

A1

A2

A3

A5

400V

A6

A4

GND

R135

F1F2

A14

A12

A13

8D

A9

A10

A8

GND

A11

5VSB

12VB

STB

CY3

CY4

CY5

GND

A100

A17

20V

A101

A18

A17

24V

A16

12VA 12VB

5VSB

F3

1

2

3

4

5

6

7

8

CON5

1

2

3

4

CON3

1

2

3

4

5

6

7

8

9

CON4

24V

24V

24V

24V

A17

A17

A17

A17

18V

18V

SGND

SGND

STB

5VSB

+5V

+5V

SGND

SGND

SGND

12V

12V

1

2

CON1

R95B

D21