Lincoln Electric R3R-500 service manual R3R-300 Control PC Board

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G-8

ELECTRICAL DIAGRAMS

G-8

R3R-300 Control PC Board

ITEM

REQÕD.

PART No.

IDENTIFICATION

C1

1

S13490-8

50/25

C2,C30

2

S13490-35

50/15 OR 16

C3

1

S13490-4

.022/200

C4,C9

2

S16668-3

100pF/100

C5,C10,C27,C28,C29

5

S16668-5

.022/50

C6

1

S13490-62

.0033/200

C7,C12,C14,C15,C24,C25,C26

7

T11577-38

.02/600

C11

1

S13490-73

20/50

C18,C19,C20

3

T11577-62

1/200

C21,C22,C23

3

S13490-102

.047/100

C31

1

T11577-57

0.1/400

D1,D2,D3

3

T12199-2

1N4007

+15V

COMMON

D4,D5,D6,D7,D8,D9,D10 ,D11,D12,D13,D14,

D15,D16,D18,D19,D20,D21,D22,D23,

29

T12199-1

1N4004

D24,D25,D26,D27,D28 ,D29,D30,D34,D35,

C11

D36

DZ1

C1

C12

D31,D32,D33

3

T12199-4

IN4005

R9

R6

R8

R5

R7

R4

D6

D14

DZ1

1

T12702-23

1N5352B

R90

DZ2

1

T12702-33

1N5347B

D5

D4

R10

D15

DZ3

1

T12702-9

1N5234B

R11

D7

R41

D10

DZ4

1

T12702-40

1N4735

R3

D8

H

R52

R45

R14

R38

DZ5,DZ6,DZ7,DZ8

4

T12702-29

1N4744A

D9

R40

A

R13

D12

DZ9

1

T12702-8

1N5240B

C20

DZ2

C2

R37

DZ5

X3

D30

D27

R64

R97

R58

C26

R88

SCR3

1

10V

R32

R33

D23

C

R48

QU3

R50

OCI2

1

R35

S15000-5

D20

R29

R42

-

Q1, Q2

2

T12704-69

2N4403

R12

R61

R70

R73

DZ8

R76

C23

D36

R85

C29

R79

R82

G2173

R34

D24

D11

R28

B

R15

Q2Q1

R27

DZ3

R67

D26

CONTROL300-R3R

R54

QU1,QU2,QU3

3

T12707-4

R2

GF

R63

R96

R57

C25

R87

SCR2

L

J

R46

C3

C6

R99

OCI2

C19

R98

R1,R2,R3

3

T12300-73

250 20W

R47

D3

D22

R4,R5,R6,R7,R8,R9

6

T14648-12

1500 5W

R10,R29,R52

3

T10812-67

100K 1/2W

QU2

D2

D19

R11,R48

2

S19400-1503

D1

R25

R12,R15,R21,R27

4

S19400-2672

E

R60

R69

R72

DZ7

R75

C22

D35

R84

C28

R78

R81

K

R26

C10 R20

R103

R102

R30

R13,R14,R32,R35,R37,R39

R80,R81,R82

9

S19400-1003

R18

R17

R24

R16

1

T10812-62

500 1/2W

R66

R91

D13

R22

R17,R18,R47

3

S19400-6813

C18

X1

X2

C9

R20

1

S19400-4753

TP1

C24

R22,R98,R99,R102,R103

5

S19400-1004

R62

R95

R56

D21

R86

SCR1

R94

R49

C15

C7

C14

C31

D28

C4

R24

1

S19400-6811

TP2

C5

D29

R23,R65,R66,R67

4

T10812-39

50K 1/2W

QU1

TP3

R44

D25

R1

D18

N

R55

R25,R26,R41,R77,R78,R79

6

S19400-4751

R23

R16

R21

D16

R28,R45,R74,R75,R76

5

S19400-2213

R59

R68

R71

DZ6

R74

C21

D34

R83

C27

R77

R80

R93

R92

R31

DZ9

R51

DZ4

R39

R30,R31,R91

3

T14230-23

5.0 MEG

R65

D31

D32

C30

R33

1

S19400-5622

D M

D33

R43

R34,R95,R96,R97

4

T14231-12

150 1/2W

R42,R59,R60,R61

4

S19400-1002

J4

J3

J2

J1

R38

1

S19400-2673

R40,R83,R84,R85

4

S19400-2670

R43,R49

2

T14231-16

R44,R86,R87,R88

4

S19400-1001

R46

1

T14231-2

10M 1/2W

R50

1

S19400-3321

R51

1

T14231-15

68 5W

R54	1	S19400-2211
R55	1	S19400-3323
R56,R57,R58,R62,R63,R64 R92,R93,R94	9	T14231-11	100 1/2W
R68,R69,R70,R71,R72,R73	6	S19400-2671
R90	1	T10812-41	10K 1/2W
SCR1,SCR2,SCR3	3	S15161-19
TP1,TP2,TP3	3	T13640-12	38J
X1,X2	2	S15128-9
X3	1	S15128-4
R92,R93,R94

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	R3R
in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.