SQUARE WAVE TIG 355

TOC

G-10

ELECTRICAL DIAGRAMS

G-10

Power PC Board (G2081) Layout

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G2081

G2081

SQUARE

WAVE

POWER

CAPACITORS = MFD/VOLTS

RESISTORS = OHMS/ 1/4 WATT UNLESS OTHERWISE SPECIFIED.

INDUCTANCE = HENRYS

ITEM

REQ'D.

IDENTIFICATION

C1

1

150/50

C2,C9

2

.022/50

C3,C16

2

.047/100

C4, C5, C7

3

.1/400

C6, C10

2

2.7/50

C8

1

.47/50

C11, C13, C14

3

3300/50

C12, C15

2

1000/35

D1 thru D7, D11 thru D17,

 

 

 

D20,D22,D23

17

1N4004

D8,D9,D10,D21

4

IN4936

J1

1

HEADER

J2

1

HEADER

J3

1

HEADER

J4

1

HEADER

J5

1

HEADER

J6

1

HEADER

LED1, LED2, LED3, LED4

4

RED LED

OCI1, OCI2, OCI3

3

3043

OCI4, OCI5

2

CS5010

Q1

1

TRANS-P T220 3 A, 100V, TIP32C

R1, R2, R6, R12, R24

5

15K 1/4W

R3

1

1.0 5W

R4, R9, R10

3

200 1/4W

R5, R8, R14, R20

4

15 1W

R7, R13, R25

3

27 1/2W

R11, R15

2

10 1/4W

R16, R30

2

2.21K 1/4W

R17

1

47.5K

R18

1

3.01K 1/4W

R19

1

68.1K 1/4W

R21, R31

2

2.7 1W

R27

1

4.75K 1/4W

R33

1

150

1/4W

R34,R35

2

1/ 2 5W

SCR1

1

2N6508

T1, T2

2

1:1:1

TRI1, TRI2, TRI3

3

T2500D

X1

1

VOLT-REG, FIXED 3-1T (+), 1A,15V

X2

1

VOLT-REG, FIXED 3-T (-), 1A,15V

X3

1

OVER VOLTAGE SENSING 3523

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 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.

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Lincoln Electric SVM118-A service manual G2081