TOC

TOC

G-9

ELECTRICAL DIAGRAMS

G-9

PC BOARD ASSEMBLY - CHOPPER BOARD

 

 

1-3135G

.500~.005

ITEM

REQ'D

PART NO

IDENTIFICATION

C1,C3,C4,C7

4

S16668

-11

.1/50

C2

1

S13490

-8

50/25

C5

1

T11577-49

500 / 50

C7

1

S16668

-3

100pf/100V

D1,D2,D3,D4,D5

5

T12199-1

1N4004

D6,D7

2

T12705-23

1N5818

DZ1

1

T12702-52

1N4733A

DZ2,DZ3,DZ5

3

T12702-29

1N4744A

DZ4

1

T12702

-55

IN4738A

J1

1

S24020

-6

HEADER,VERTICAL

OCI1

1

S15000-28

OPTOCOUPLER,TTL-OUT

Q1

1

T12704-41

 

R1

1

S18380-5

PTC THERMISTOR

R2

1

S19400-3320

332 1/4W

R3

1

S19400-1001

1K 1/4W

R4,R14,R16,R18,R20

5

S19400-4751

4.75K

R10,R11,R13,R15,R17,R19

6

S19400-10R0

10 1/4W

R12

1

S19400-4752

47.5K 1/4W

R21

1

S19400-1002

10K 1/4W

X2

1

S15018-19

IC,T0220T,FETDRIVER

CAPACITORS = MFD/VOLTS

RESISTORS = OHMS

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~.04

4.00

 

 

 

 

 

 

 

 

 

R19

R10

 

 

R11

R12

R13

R15

R17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A1

200AMP

CHOPPER

G3135-1

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DZ1

 

 

 

 

XXXXXXXXXXXXXXXX

X

B5

R3

 

 

 

 

R4

DZ2

DZ3

B4

 

X

 

 

 

 

 

 

X

X

 

OCI1

 

 

 

 

C5

X

 

C4

X2

 

 

 

 

C3

 

 

 

 

 

 

 

 

X

X

 

R2

 

 

C7

 

 

 

R1

C2

DZ4

 

R21X

X

 

 

D5

 

XXXXXXXXXXXXXXXX

 

 

 

D4

 

 

 

B1

B2

B3

 

 

 

 

 

 

 

J1

D3

 

R20 R18 R16 R14

DZ5

C1

 

 

D2

Q1

 

 

 

D1

 

 

 

 

 

 

0

~.04

0

9.00

2-19-99F

G3135-1

NOTE: Lincoln Electric assumes no responsibility for liabilities resulting from board level troubleshooting. PC board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is provided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC Board repairs could result in damage to the machine.

COMMANDER 300

Page 170
Image 170
Lincoln Electric SVM145-B service manual PC Board Assembly Chopper Board, 500~.005