Lincoln Electric SVM123-A service manual Control PC Board G1585 Layout

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G-4	ELECTRICAL DIAGRAMS	G-4
Control PC Board (G1585) Layout

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R26

								X	X
R37	D12	R73	DZ9	R74 R148	C5	R112	R142	X
								X
								X		R1
								X	X

X	X		X
X	X		X
X	X		X
X	X	R113	X	R3
X	X		X
X	X		X
X	X		X

ITEM	REQ'D.	PART No.	IDENTIFICATION
C1,C18,C20	3	S16668-5	.022/50
C2	1	S13490-48	47/160
C3	1	S13490-19	1.8/20
C4,C8,C11,C12	4	S13490-39	18/15
C5,C6,C7,C13,C24,C25,	9	S13490-102	.047/100
C28,C29,C30
C10	1	S13490-27	2.7 MFD 75V
C15	1	S13490-63	.47/50
C16,C26	2	S13490-35	50/16
C17	1	S13490-67	2/50
C21,C27	2	T11577-28	.22/100
C22	1	S13490-42	1.0/35
C9,C14,C19,C23	4	T11577-38	.02/600
D1,D2,D3,D4	4	T12199-2	1N4007
D5,D6,D7,D8,D9,D10,D11,D12,D13,D14,D15,
D16,D17,D18,D19,D20,D23,D24,D25,D26,	30	T12199-1	1N4004
D27,D28,D29,D30,D31,D32,D33,D34,D35,
D36
DZ1	1	T12702-34	IN5353
DZ2	1	T12702-33	1N5347B
DZ3	1	T12702-18	1N821
DZ4	1	T12702-27	1N4740

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R38

	DZ7	R133
R27	R82

C6

D5

G1585-[ ]

D26	D23	D24	D35	R83
				TP1
C29				LED2
		LED1		R79
				R50

				DC1000 CONTROL
D1	D2	D3	D4						R4
				C2	DZ1			DZ3	R70
							DZ2		R13
										+
	C10								C17
		Q4		QU2		QU1

LED3

DZ5,DZ11	2	T12702-31		1N5237B
DZ6,DZ9,DZ12,DZ13	4	T12702-29		1N4744A
DZ7	1	T12702-30		1N5225B
DZ8,DZ14	2	T12702	-12	1N5253B
DZ10	1	T12702	-15	1N5231B
DZ15	1	T12702	-19	1N4742A
L1	1	T12218-4		33 mH
LED1,LED2,LED3,LED4,LED5	5	T13657	-2	RED LED
Q1,Q3	2	T12704-68		2N4401
Q2,Q5,Q6,Q7,Q8,Q9	6	T12704-36		2N4857
Q4	1	T12704-69		2N4403

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J1

J2

R2

R146

R54

L1

LED5

Q6

R40

R41

R34

R46

D13

R55

R56

D32

R99

R106

R107

Q2

Q7

DZ10

DZ14

R115

R28

R15

D25

R14

R32

DZ15

DZ4

D30

R100 R105

R104 R86

R31

C13

R52

R53

X1

Q1

R143

DZ8

R84

D28

C4

R24

R17

R85

R19

R18

D8 D7

R16

DZ6

D9

R5

R6 C3

C23

LED4

C9

C26

C19

DZ12

R57

C11

R102

Q8

C27

						D18
R22	R25	R20	R23	R147	C18	R71
						D17

SCR1

							DZ5
R103	R94	R80	R88	R89	R90	R91	R92	D6	R110
									D34
									C24

QU1,QU2	2	T12707-4	2N6027
R1,R113		T12300-47	200 15W
R2,R146	2	S19400-1503	150K 1/4W
R3	1	T14648-15	700 5W
R4	1	T14648-7	470 5W
R5,R15,R24,R103,R115	5	S19400-1004	1M 1/4W
R6,R22,R59,R60,R86,R87,	9	S19400-1001	1K 1/4W
R105,R106,R107
R7,R8	2	S19400-2671	2.67K 1/4W
R9,R76,R90,R95,R96	5	S19400-2213	221K 1/4W
R10,R63	2	T10812-39	50K 1/2W
R11	1	S19400-2673	267K 1/4W
R12,R35,R53,R91,R92,R93	6	S19400-6812	68.1K 1/4W
R13	1	S19400-3010	301 1/4W
R14	1	S19400-4752	47.5K 1/4W
R16,R28,R30,R31,R32,R62,R71,R77	8	S19400-4751	4.75K 1/4W
R17,R20	2	S19400-3922	39.2K 1/4W
R18,R25,R29,R57,R88	5	S19400-1502	15.0K 1/4W

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R39

J3

C20

C8

R78

D29

R87

Q5

R30

R29

R145

R77

D33

D27

R111

R136

C30

C7

R9

R7

R10

C14

R66

D14

D15

D10

D11

R62

R65

Q3

R64

R63

R8

R48

C21

C25

R12

R11

R58

R47

R76

D20

C1

X2

C16

D36

D19

R108

DZ11

DZ13

C28

D16

R61

D31

R59

R21

C22

C12

R60

R35

R81

R98

R93

R96

R95

R97

C15

Q9

R114

R19,R78,R79,R100	4	S19400-1003		100K 1/4W
R21,R61,R85	3	S19400-4750		475K 1/4W
R23,R147	2	S19400-20R0		20.0 1/4W
R26,R38	2	T10812-68 1K 1/2W
R27,R37,R58,R81	4	S19400-2211		22.1K 1/4W
R34	1	T10812-67		100K 1/2W
R39	1	T10812-77		20K 1/2W
R40,R64,R65	3	S19400-1501		1.5K 1/4W
R41,R47,R97	3	S19400-2670		267 1/4W
R46,R70,R74,R148	4	S19400-3320		332 1/4W
R48	1	S19400-4753		475K 1/4W
R50,R83,R143	3	S19400-1301		1.3K 1/4W
R52,R99,R110	3	S19400-2212		22.1K 1/4W
R54	1	T12732-3		27K 1W
R55,R56,R104	3	S19400-8252		82.5K 1/4W
R66,R111,R136	3	S19400-47R5		47.5 1/4W
R73,R102,R114	3	T14231-3		15 .5W
R80,R94,R98	3	S19400-1002		10K 1/4W
R82,R133	2	S19400-1620		1.3K 1/4W
R84	1	S19400-6810		1.3K 1/4W
R89	1	S19400	-6811	6.81K 1/4W
R108	1	S19400	-1000	100 1/4W
R112,R142	2	S19400	-75R0	75.0 1/4W
R145	1	S19400	-2432	24.3K 1/4W
SCR1	1	S15161	-17
TP1	1	T13640-11		45J
X1,X2	2	S15128	-4

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 resultIDEALARC DC1000 in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.