Lincoln Electric SVM156-A service manual PC Board Assembly -CHOPPER, Reqd Part no Identification

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G-7

ELECTRICAL DIAGRAMS

G-7

PC BOARD ASSEMBLY -CHOPPER

ITEM

REQ'D PART NO.

IDENTIFICATION

C1

1

T11577-49

500/50

C2

1

S13490-8

50/25

C3,C7,C9,10,C21

5

S16668-11

.1/50

C6,C8,C20

3

S13490-173

CAP.,MPF,1.0 uF,63VDC

C11,C14

2

S16668-10

4700pF/50

C12,C17

2

S16668-7

820pF/50

C13,C15,C16

3

S16668-3

100pF/100

C18,C19

2

S20500-2

.47/630

C22

1

S16668-9

150pF/100

C23

1

S13490-25

4.7/35

D1,D2,D3,D4,D7

5

T12199-1

1N4004

D5,D6

2

T12705-23

1N5818

±.04

DZ1

1

T12702-29

1N4744A

5.50

J10

1

S20351-6

HEADER

OCI1

1

S15000-10

OPTO ISOLATOR

R1

1

S18380-5

THERM.,PTC,.5-1.17 OHM, .5A

B48

B49

R2

1

S19400-3320

332 1/4W

R3,R4,R27

3

S19400-3321

3.32K 1/4W

R5

1

S19400-4752

47.5K 1/4W

R6

1

S19400-4750

475 1/4W

R8,R23

2

S19400-4751

4.75K 1/4W

R23

R15

R9,R10,R11,R12,R13,R14,

G3339-1

R16

R8

D6

R15,R16,R17,R18,R19,R20,

14

S19400-3010

301 1/4W

C6

R21,R22

C10

R17

DZ1

D5

R14

R25

1

S19400-2213

221K 1/4W

C7

C21

R26

1

S19400-3323

332K 1/4W

X1

1

S15018-9

CMOS MC14538B

R18

X2

R26

R5

R13

x

CHOPPER

X2

1

S15018-21

IC,DRIVER,12A MOSFET(SS)

C9

X1

X3

1

S15018-15

14 PIN IC

X4

1

S15128-6

VOLTAGE REGULATOR

xxxxxxx x x

C8

xxxxxxx

x x x

x

x

C17

C23

D7

x

x

x

C16

R6

x

x

CAPACITORS = MFD/VOLTS

x

x

C20

x

x

RESISTORS = OHMS

x

x

C3

C14

x

x

STT

x

C19

x

x

C18

x

x

X3

x

x

x

x

A2

R19

R3

R4 C12

C13

C15

C1

R12

A1

x

x

x

x

x

x

x

x

R27

x

x

x

x

x

x

x

x

x

x

xxxxxxxx x xx

xxxxxxxx x xx

R20

X4

C2

R11

R25

R21

R10

C11

C22

OCI1

D4

D3

D2

D1

R1

R22

R2

R9

J10

B53

B55

.45

0

±.04

0

7.50

1.30 4.00 1.30

							:
	THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S.A.
	UNLESS OTHERWISE SPECIFIED TOLERANCE	"X" INFO.	Chg. Sheet No.	DESIGN INFORMATION	REFERENCE:	EQUIPMENT TYPE:	INVERTER WELDERS
	MANUFACTURING TOLERANCE PER E2056							SOLIDEDGE
	ON 2 PLACEDECIMALS IS± .02		2-11-2000	DRAWN BY: JLV/RAS	G3135-1
	ON 3 PLACE DECIMALS IS ± .002		8-4-2000J			SUBJECT:	CHOPPER P.C. BOARD ASSEMBLY
EN-170	ON ALL ANGLES IS± .5 OF ADEGREE			ENGINEER: KJ
	MATERIAL TOLERANCE ("t") TO AGREE				SUPERSEDING:
	DO NOT SCALE THIS DRAWING		9-22-2000A	APPROVED:DRS		SCALE:1:1	DATE:2-23-98DRAWING No.: G 3339-1
	WITH PUBLISHED STANDARDS.

NOTE: Lincoln Electric assumes no responsibility for liablilities 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 pro- vided 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.

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