POWER WAVE 450

TOC

TOC

G-21

ELECTRICAL DIAGRAMS

G-21

PC BOARD ASSEMBLY- SNUBBER

 

 

±.04

4.05

3.85

L9579-1 SNUBBER

DZ10 R13 C9 DZ8 R16 C8 R7 C6 R15 C5

DZ6 R1 C7

DZ9

DZ7

DZ3

DZ4

DZ1 DZ2

DZ5

C13

 

 

 

R23

 

 

 

 

D2

 

 

 

 

 

 

 

 

 

 

 

X2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D1

 

R24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D5

 

 

 

 

 

3.08

C4

 

 

ITEM

REQ’D

PART NO.

IDENTIFICATION

 

 

 

 

 

 

 

 

 

C1

1

S20500-1

.1/1000

 

 

P.C. BOARD ASSEMBLY

 

 

 

 

 

 

C2,C3

2

S13490-3

.0047/400

INVERTER WELDERS

NO.SHT. L 9579-1

 

 

 

C4

1

S13490-112

.047/1200

 

 

 

C5,C6,C7,C8,C9

5

S16668-7

820pF/50

 

 

 

C10,C11,C12,C13

4

S16668-11 . 1/50

 

 

 

 

 

 

 

 

 

 

D1,D2,D3,D4,D5

5

T12199-1

1N4004

 

 

 

 

 

 

 

 

 

 

 

 

 

DZ1,DZ2,DZ3,DZ4,DZ5,DZ6

10

T12702-52

1N4733A

 

 

 

DZ7,DZ8,DZ9,DZ10

 

 

 

 

 

 

 

 

 

 

 

SNUBBER

 

 

 

 

 

 

 

 

 

 

 

 

 

SUP’S’D’G

 

 

 

 

 

 

 

 

 

 

 

 

DZ11,DZ12

2

T12702-29

1N4744A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J60

1

S18248-16

HEADER

 

 

 

 

 

 

 

 

 

J61

1

S18248-10

HEADER

EQUIP.

TYPE

 

 

 

 

 

 

 

 

 

 

 

SUBJECT

 

 

REF.

 

 

J62

1

S18248-8

CONNECTOR

 

 

 

 

 

 

 

 

 

 

 

 

DB

 

 

 

R1,R7,R13,R15,R16,R20,R21

10

S19400-1002 10K 1/4W

LINCOLNELECTRIC CO.

CLEVELAND,OHIO U.S.A.

 

 

 

 

 

 

 

CHK

 

 

R22,R23,R24

 

 

 

 

 

 

 

R2,R5

2

T14649-7

2.7 10W

 

 

-94

 

R2

R5

R3,R4,R6,R8,R9,R10,R11,R12

10

S20620-1003

100K 1/2W

SCALE FULL

 

2-25

 

R14,R17

 

 

 

 

DATE

 

 

R18,R19

2

S19400-1000

100 1/4W

 

 

 

 

 

 

 

 

 

 

Return to

TOC

Return to

TOC

R10

R12

R9

R4

R8

R3

R11

R17

R6

R14

D4

C12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D3

 

X1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R21

R20

 

 

 

 

 

 

 

R22

 

 

DZ11

 

 

 

 

 

DZ12

C10

R19

 

 

 

 

 

 

C11

 

 

 

 

 

R18

 

 

 

 

 

C1

C3

C2

 

 

TP1,TP2,TP3

3

T13640-18

160J

THE

 

 

JLV

 

 

 

DR

 

 

 

 

 

 

 

 

X1,X2

2

S15128-18

QUAD-OP AMP

 

 

 

 

 

CAPACITORS = MFD/VOLTS

 

 

 

 

 

xxxxxxxxxxxxxxxx TP1 xxxxxxxxxxxxxxxx

TP3 xxxxxxxxxxxxxxxx TP2 xxxxxxxxxxxxxxxx

 

 

 

95A-6-1

 

 

 

 

 

 

TOLERANCE Ch’geNo.Sht. . E2056 .02 .002

ADEGREE

AGREE

STANDARDS.

 

 

 

t

 

 

 

")TO

Return to Section

Return to Section TOC

Return to Master

Return to Master TOC

.45

0

L9579-1

J61

J60

0

.20

J62

3.05

 

 

 

 

UNLESSOTHERWISE SPECIFIED

ON HOLE SIZES PER ON 2 PLACE DECIMALS IS ON 3 PLACE DECIMALS IS

ON ALL ANGLES IS .5 OF

MATERIAL TOLERANCE (" WITH PUBLISHED

 

 

 

±.04

THIS SHEET CONTAINS PROPRIETARY INFORMATION

OWNED BY THE LINCOLN ELECTRIC CO. AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED

WITHOUT THE EXPRESS PERMISSION OF

THE LINCOLN ELECTRIC CO.

 

 

 

5.00

 

 

 

 

4.80

 

 

 

 

 

 

CAD

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.

Page 289
Image 289
Lincoln Electric SVM112-B service manual PC Board ASSEMBLY- Snubber, Return to Section Section TOC