SQUARE WAVE TIG 355

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G-13

ELECTRICAL DIAGRAMS

G-13

Control PC Board (G2512) Layout

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ITEM

 

C1,C25-C29,C31-C36,C56,C69,C100-C131

G2512

C37,C39,C43

C42,C45

 

C38,C40,C44,C66,C67,C68

 

C46,C47,C48,C55,C58,C59,C61,C62,C132

 

C49,C51,C72

 

C50,C54,C57

 

C52,C53,C71

 

C63,C64

 

C65

 

C73,C74

 

D1 thru D29,

 

D31 thru D97

 

OCI1,OCI3,OCI4

 

Q1 thru Q5,Q7,Q9,Q10,Q11

 

Q6,Q8

 

PTC1,PTC2

 

R1,R4,R7,R12,R14,R17,R18,R21,

 

R28,R31,R33,R41,R42,R43,R60,

 

R63,R73,R126,R127,R131,R161

 

R2,R3,R5,R6,R10,R15,R16,R19,

 

R20,R23,R24,R29,R35,R36,R39,

 

R51,R53,R68,R71,R72,R75,R80,

 

R96,R98,R100,R102,R104,R106,R108,

 

R110,R112,R114,R116,R121,R122,R123,

 

R130,R133,R149,R156,R159

 

R8,R9,R66,R67,R152,R153

 

R11,R13,R32

 

R22,R50,R65,R70,R117

 

R25

 

R26

 

R27,R54,R79

 

R30

 

R34,R40,R52,R76,R139,R146,R157,R158,R162

 

R37,R148

 

R38

 

R46

 

R48

 

R49,R55,R138,R140,R151

 

R56,R150

 

R57

 

R58

 

R59

 

R61

 

R62

 

R64,R69,R125,R142

 

R74,R81,R82,R83,R84,R85,R86,

 

R87,R88,R89,R90,R92,R93,R94,

 

R95,R97,R99,R101,R103,R105,

 

R107,R109,R111,R113,R115,R118,

 

R119,R120,R134,R135,R136,R160

 

R78,R124

 

R91

 

R128

 

R129,R154

 

R132,R137,R144

 

R141,R155

 

X1

 

X2

 

X3,X23

 

X4

 

X5

 

X6

 

X7,X10

 

X11,X12,X40,X42

 

X13,X14

 

X15,X21,X22

 

X16

 

X17,X18

 

X19,X24

 

X20,X38

 

X25

 

X26

 

X27

 

X28,X29,X31

 

X30

 

X32

 

X33

 

X34

 

X35

 

X36

 

X37

 

X39,X41

 

Y1

REQ'D.

46

3

6

2

9

3

3

3

2

1

2

96

3

9

2

2

21

41

6

3

5

1

1

3

1

9

2

1

1

1

5

2

1

1

1

1

1

4

32

2

1

1

2

3

2

1

1

2

1

1

1

2

4

2

3

1

2

2

2

1

1

3

1

1

1

1

1

1

2

1

IDENTIFICATION 0.1 / 50

150 / 50

4.7 / 35

.33 / 50

.022 / 50

18 / 15 2700pf / 50

.02 / 600 10pf / 100 27 / 10 150pf / 100

1N4004

56, 20%

4.75 K 1/4W

10K 1/4 W

3.01K 1/4W 680 1W

1.5K 1/4W

22.1K 1/4W

30.1K 1/4W

681 K 1/4W

68.1K 1/4W

1 K 1/4W

51.1K 1/4W

9.09K 1/4W

1 M 1/4W

150 K 1/4W

475 1/4W

681 1/4W

1.82K 1/4W

3.32K 1/4W

2.43K 1/4W

332 1/4W

243 1/4W

267 1/4W

100 1/4W

47.5 K 1/4W

16.2 K 1/4W

10K 10T

1K 1T

500 10T

100 K 1/4W

VOLTAGE REG

BINARY COUNTER, 4 STAGE HC08A AND GATE

IC-CMOS,MCU,DSP,320

ROM ASBLY

ROM ASBLY

12 STAGE BINARY COUNTER HC373A LATCH 3 STATE HC259 DECODER

8 BIT SHIFT REG

8-BIT MPU D/A

HC4351 8 CHAN ANALOG MUX HC109 FLIP FLOP 2 INPUT NAND GATE QUAD

NPN DARLINGTON ARRAY 224N QUAD OP AMP OP-27GZ OP AMP

33074A OP AMP HC4066

HC04A INVERTER

431 I VOLT REF

AC04 INVERTER AC139 DECODER

AC373 3 STATE LATCH AC138 DECODER

HC74 FLIP FLOP 19.66 mHz.

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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Image 148
Lincoln Electric SVM118-A service manual Control PC Board G2512 Layout