Control PC Board Assembly G3521-1 | Lincoln Electric SVM144-B

G-7	ELECTRICAL DIAGRAMS	G-7
CONTROL PC BOARD ASSEMBLY - (G3521-1)

1-3521

ITEM	REQ’D	PART NO.	IDENTIFICATION
C1,C2,C8,C9,C14,C20,C29	18	S16668-5	.022/50

C36,C37,C38,C39,C43,C44
C48,C52,C53,C55,C56		S13490-42
C3,C4,C11	3		1.0/35
C5,C6,C18,C19,C35,C51,C54	7	T11577-52	.0047 OR .005/1400
C7	1	S13490-73	20/50
		S16668-11
C10,C22,C23,C24,C25,C30	16		.1/50

C31,C32,C33,C34,C40,C41
C45,C46,C57,C58		S16668-1
C12,C13	2		22pF/100
		S13490-30
C15	1		39/10
		S13490-92
C16	1		3300/50
		S13490-39
C17,C28	2		18/15
		T11577-28
C26	1		.22/100
		S13490-118
C27	1		2200/63V

C47	1	S16668-7	820pF/50
C49	1	S13490-76	.001/400
C50	1	S13490-102	.047/100
C59	1	S24833-1	0.27/63V

Return to Section TOC

Return to Master TOC

~.04

6.00

5.80

.20

R38

R47

R37

C17

C15

R57

R36

D31

C44

R31

R32

R34

D12

R40

R104

C49

R102

R103

R33

C36

C39

C37

R42

D24

R28

R84

R46

C11

R39

R30

R29

R106

R62

D20

D19

R41

C12

R43

XXXXXXXXXXXXX

R35

C14

C10

R44

R45

R90

XXXXXXXXXXXXXX

C40

C16

XXXXXXXXXXXXXXXX

C13

XXXXXXXXXXXXXXX

R107

D36

C41

R100

D34

R95

C43

R69

R68

C23

R101

D35

D33

C47

C46

Q10

R77

C30

C31

C22

R70

D21

D22

R75

R54

DZ4

R99

R86

R91

R92

R87

R76

R88

D26

R83

C29

D27

R73

R72

C25

R74

R71

C24

R98

R89

R78

C33

C32

C34

D16

R65

R116 R60

R19 R112

C55

C56

R113

R21

R93

R94

R22

R13

R24

R80

R15

R27

OCI2

OCI1

C38

R23 R14

D10

R26

D13

D29

D11

D23

R79

R20

R18

C20

R58

R63

D17

R61

D18

C58

C57

R50

R49

R66

R67

R59

R64

C26

R114

R25

D14

X12

R110

R111

R48

R53

Q11

DZ2

R52 R51

R56

R55

D15

DZ1

C28

D37

C53

OCI3

X10

D25

X11

R108

D32

R109

C52

R82

D30

R81

C45

R12

R96

TRI1

R97

DZ3

R105

C48

C27

C18 C19

TP3

TP7

C51

TP1

C50

D28

R11

R10 L2

R115

TP4

C35

C54

R117

CONTROL G3521-1

TP2

D1,D2,D3,D31	4		1N4007
D4,D5,D6,D7,D8,D9,D10,D11,D12,D13,D14,	31	T12199-1	1N4004
D15,D16,D17,D18,D19,D20,D21,D22,D24
D25,D26,D27,D28,D29,D30
D32,D33,D34,D35,D36		T12705-23
D23,D37	2	T12705-23	1N5818
D23,D37	2		1N5818
DZ1	1	T12702-40	1N4735
DZ2,DZ3,DZ4	3	T12702-45	1N4746A
J1	1	S18248-8	HEADER
J2	1	S18248-14	HEADER
J3	1	S18248-12	HEADER
J4	1	S24020-10	HEADER,VERTICAL
J4	1		HEADER,VERTICAL
J5	1	S18248-16	HEADER
J6	1	S18248-6	HEADER
J6	1	S18248-2T	HEADER
J8	1	S18248-2T	HEADER
L1,L2,L3,L4	4	T12218-7	330uH
OCI1,OCI2	2	S15000-30	OPTOCOUPLER TRIAC DRIVER 800V
OCI3	1	S15000-31	OPTOCOUPLER,TRIACDRV,RANDOM,800V
Q1,Q2,Q3,Q6,Q11	5	T12704-68	2N4401
Q4	1	S18105-4	HEATSINK ASBLY
Q5,Q9	2	T12704-35	NPN TRANSISTOR
Q7,Q10	2	T12704-88	TRANSISTOR,NMF,T220,45A,100V(SS)
Q8	1	T12704-69	2N4403
R1,R2,R6,R41,R42,R65,R75	11	S19400-1002	10K 1/4W
R79,R84,R112,R113
R3,R7,R25,R26,R114,R117	6	S24002-1200	120 2.5W
R4,R51	2	S19400-1502	15K 1/4W
R5,R9,R12,R30,R35,R45,R70	8	S19400-4751	4.75K
R5,R9,R12,R30,R35,R45,R70	8		4.75K
R90			4.75K	7/16W
R8,R115	2	S19400-1211	1.21K 1/4W
R10,R11,R62,R63,R76,R77	10	S19400-1000	100 1/4W
R78,R82,R95,R105			1.21K 1/4W
R13,R22,R93,R94	4	S19400-6810	681 1/4W
R14,R15,R23,R27	4	S19400-15R0	15 1/4W
R18,R20,R24,R80	4	S19400-5620	562 1/4W
R19,R21,R58,R83	4	S19400-2211	2.21K 1/4W
R28,R46,R61	3	S19400-6811	6.81K 1/4W
R29,R100,R110	3	S19400-1501	1.5K 1/4W
R31,R106	2	S19400-5621	5.62K 1/4W
R32	1	S19400-2672	26.7K 1/4W
R33,R37,R38	3	S19400-2212	22.1K 1/4W
R34,R40	2	S19400-33R2	33.2 1/4W
R36	1	S19400-2671	2.67K 1/4W
R39,R68,R71,R72,R91,R92	7	S19400-3321	3.32K 1/4W
R111
R43	1	S19400-1004	1M 1/4W
R44,R109	2	S19400-1001	1K 1/4W
R47	1	S19400-1301	1.3K 1/4W
R48	1	S19400-2801	2.8K 1/4W
R49,R50	2	T14648-22	50 5W
R52,R98	2	S19400-3011	3.01K 1/4W
R53	1	S19400-5111	.25 OHM, 7W RESISTOR
R54	1	T12300-75	5.11K 1/4W
R55,R56	2	S19400-26R7	26.7 1/4W
R57,R108	2	S19400-2670	267 1/4W
R59,R66,R69,R73,R74,R86,R87	7	S19400-4422	44.2K 1/4W
R60	1	S19400-2432	24.3K 1/4W
R64,R67	2	S19400-5110	511 1/4W
R81	1	T14648-5	3.3K 5W
R88,R89	2	S19400-1622	16.2K 1/4W
R96,R103	2	S19400-4752	47.5K 1/4W
R97	1	T14648-19	1K 5W
R99	1	S19400-1652	16.5K 1/4W
R101,R102	2	S19400-1372	13.7K 1/4W
R104	1	S19400-7500	750 1/4W
R107	1	S19400-4750	475 1/4W

9.00 ~.04

R116	1	S19400-2802	28.0K 1/4W
TP1,TP2	2	T13640-15	15J
TP3,TP4	2	T13640-9	20J
TP7	1	T13640-18	MOV,120J

.20

3.20

8.80

TRI1	1	S15161-27	T2500D
X1	1	S24392-4	ROM ASSEMBLY (SS)
X2	1	M15102-3	IC,S8054HN,CMOS,UNDERVOT-SENSING(SS)
X3	1	S17900-8	14 PINI.C.(SS)
X4,X5	2	S15128-11	14 PIN QUAD COMPARATOR
X6	1	S15128-16	IC,LT1014,LINEAR INTEGRATED CIRCUIT
X7	1	S23060-1	IC,SWITCH,LO-SIDE(SS)
X8	1	S15018-4	MC14584(SS)
X9	1	S15018-6	DIGITAL INTEGRATED CIRCUIT(SS)
X10,X11	2	S15128-10	IC,431,VOLTAGE REF.
X12	1	S15128-5	+5V REG.
Y1	1	S16665-5	8.0 MHZ

Ch’ge. Sht. No.

11-16-2001D

THE LINCOLN ELECTRIC CO.

EQUIP.

POWER MIG 255

XE-RW

TYPE

3-12-99

CLEVELAND, OHIO U.S.A.

CONTROL P.C. BOARD ASSEMBLY

7-9-99H

SCALE

FULL

SUBJECT

7-28-2000J

G2803-1

SHT.

G 3521-1

DR C.S./

DATE12-18-98 CHK

REF.

SUP’S’D’G

10-5-2001C

NO.

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.

POWER MIG 255

Lincoln Electric SVM144-B service manual Control PC Board Assembly G3521-1

Models: SVM144-B