PC Board ASSEMBLY-CONTROL, G3851-1 | Lincoln Electric SVM157-A

TOC

G-4

PC BOARD ASSEMBLY-CONTROL

ELECTRICAL DIAGRAMS

G-4

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G3851-1

R89

R88

C21

C20

R42

C24

CONTROL

C47

R32 R25 R13

C11

C33

C29

R73

R65

R71

TP 9

R14

R24

C28

TP1

C12

R50

R86

R41

R15

R87

C23

TP1

R26

C15

R113

R109

C34R77

R17

R27

C14

R111

R108

R16

R51

R66

C13

C30

R121

C31

R72

R78R74 X8

R68

R30

TP1

C22

R29

D10

R31

C42

C53

Q13

C52 C36

C35

DZ4

R52

R33

R76

R44

T P1

R57

R118

R110

R28

R112

R115

C43

Q19

R70

R43

R18

Q10

R75

R54

R34

Q18

Q16

R92 Q14

R116

C16

C54

R119

R79

R102

R59

R53C25

R36

R35 R20

R39

R114

R117

R95

R56 R55

D17

R90

D14

R80

C44

R97

R91

TPQ15

R93

Q17

R58

C26

C38

R21 R82

C19

R40

C27

C32

D15

D11

R81

R62

R96

R64 C41

C18

R127

R23

TP1

R98

C37R94

C50

C40

R60

R104

R107

R84

R63

R99

C46

C39

R101

R103

R46

Q11

R48

R37

C10

R22

R106

R45

R125DZ6C45

D18

DZ5

R85

R100D19

R122

R123

R47R105

R11

C4R12

R38

C48

C17

DZ1

R19

R126

D13 TP 7

D12

R10

DZ8

TPTP 31

Q1	TP 6

DZ9

DZ7 R129 R128

C49

ITEM	REQ’D	PART No.	DESCRIPTION
FOR ITEMS BELOW, REFER TO ELECTRO	NIC COMPONENT DATABASE FOR COMPONENT SPECIFICATIONS
R16,R17,R27,R70,R118	5	S25000-1212SMT	RESISTOR,SMD,METAL FILM,1/10W,12.1K,1
R18,R75	2	S25000-1000SMT	RESISTOR,SMD,METAL FILM,1/10W,100OHMS
R19,R34,R61,R110,R111,R119,R123	7	S25000-1502SMT	RESISTOR,SMD,METAL FILM,1/10W,15.0K,1
R20,R32,R73,R127	4	S25000-1002SMT	RESISTOR,SMD,METAL FILM,1/10W,10.0K,1
R22	1	S25000-6191SMT	RESISTOR,SMD,METAL FILM,1/10W,6.19K,1
R23	1	S25000-2211SMT	RESISTOR,SMD,METAL FILM,1/10W,2.21K,1
R28,R29,R50,R51	4	S25000-8252SMT	RESISTOR,SMD,METAL FILM,1/10W,82.5K,1
R30,R47,R88,R96,R97,R116,R124	7	S25000-2002SMT	RESISTOR,SMD,METAL FILM,1/10W,20.0K,1
R31,R35	2	S25000-2670SMT	RESISTOR,SMD,METAL FILM,1/10W,267OHMS
R37,R45	2	S18380-14	THERMISTOR,PTC,500OHMS,28mA
R38	1	S25000-6813SMT	RESISTOR,SMD,METAL FILM,1/10W,681K,1%
R39,R63,R79,R90	4	S25000-2210SMT	RESISTOR,SMD,METAL FILM,1/10W,221OHMS
R41,R64	2	S25001-3321SMT	RESISTOR,SMD,3.32K,1/4W,1206,1% ,TR
R42,R122	2	S25000-1003SMT	RESISTOR,SMD,METAL FILM,1/10W,100K,1%
R44	1	S25000-3570SMT	RESISTOR,SMD,METAL FILM,1/10W,357OHMS
R46,R80,R115	3	S25000-5111SMT	RESISTOR,SMD,METAL FILM,1/10W,5.11K,1
R48,R49	2	S25004-2430SMT	RESISTOR,SMD,1W,243OHMS,1%
R52	1	S25000-4751SMT	RESISTOR,SMD,METAL FILM,1/10W,4.75K,1
R53,R108	2	S25000-3922SMT	RESISTOR,SMD,METAL FILM,1/10W,39.2K,1
R54	1	S25056-2SMT	TRIMMER,SMD,MT,1/4W,2K,10% ,LINEAR
R56	1	S25001-1212SMT	RESISTOR,SMD,12.1K,1/4W,1206,1%
R58,R81	2	S25001-2672SMT	RESISTOR,SMD,26.7K,1/4W,1206,1% ,TR
R59	1	S25000-9091SMT	RESISTOR,SMD,METAL FILM,1/10W,9.09K,1
R60	1	S25000-2431SMT	RESISTOR,SMD,METAL FILM,1/10W,2.43K,1
R62	1	S25000-3320SMT	RESISTOR,SMD,METAL FILM,1/10W,332OHMS
R66	1	S25000-2432SMT	RESISTOR,SMD,METAL FILM,1/10W,24.3K,1
R68	1	S25000-3741SMT	RESISTOR,SMD,METAL FILM,1/10W,3.74K,1
R71,R87,R106	3	S25000-1001SMT	RESISTOR,SMD,METAL FILM,1/10W,1.00K,1
R74	1	S25000-1782SMT	RESISTOR,SMD,METAL FILM,1/10W,17.8K,1
R76,R100	2	S25000-8251SMT	RESISTOR,SMD,METAL FILM,1/10W,8.25K,1
R77,R78,R89	3	S25000-6190SMT	RESISTOR,SMD,METAL FILM,1/10W,619OHMS
R82,R85	2	S25001-5621SMT	RESISTOR,SMD,5.62K,1/4W,1206,1% ,TR
R83	1	S25005-1SMT	RESISTOR,SMD,METAL STRIP,3W,0.05OHMS,
R84	1	S25001-2212SMT	RESISTOR,SMD,22.1K,1/4W,1206,1%
R86	1	S25000-5622SMT	RESISTOR,SMD,METAL FILM,1/10W,56.2K,1
R91,R102	2	S25000-2000SMT	RESISTOR,SMD,METAL FILM,1/10W,200OHMS
R92,R114,R117	3	S25000-1821SMT	RESISTOR,SMD,METAL FILM,1/10W,1.82K,1
R93,R99	2	S25000-6811SMT	RESISTOR,SMD,METAL FILM,1/10W,6.81K,1
R95	1	S25000-4750SMT	RESISTOR,SMD,METAL FILM,1/10W,475OHMS
R101	1	S25001-1502SMT	RESISTOR,SMD,15K,1/4W,1206,1% ,TR
R103	1	S25001-1001SMT	RESISTOR,SMD,1K,1/4W,1206,1% ,TR
R104,R107	2	S25001-6191SMT	RESISTOR,SMD,6.19K,1/4W,1206,1% ,TR
R109	1	S25056-3SMT	TRIMMER,SMD,MT,1/4W,50K,10% ,LINEAR
R112	1	S25000-6810SMT	RESISTOR,SMD,METAL FILM,1/10W,681OHMS
R113	1	S25000-2212SMT	RESISTOR,SMD,METAL FILM,1/10W,22.1K,1
R125	1	S25000-7500SMT	RESISTOR,SMD,METAL FILM,1/10W,750OHMS
R128,R129	2	S25001-2490SMT	RESISTOR,SMD,249OHMS,1/4W,1206,1% ,TR
T1	1	S20375-8	TRANSFORMER,PCB,PWM,FLYBACK
X1	1	S25068-11SMT	IC,SMD,VOLTAGE REGULATOR,STEP-DOWN,AD
X2	1	S23060-1SMT	IC,SMD,SWITCH,LO-SIDE,2.2A,60V,SOT-22
X3,X9	2	S15128-11SMT	IC,SMT,COMPARATOR,QUAD,2901D
X4	1	S25067-1SMT	IC,BIPOLAR,TIMER,SOIC-14
X5	1	S25068-2SMT	IC,SMT,CMOS,DRIVER,MOSFET,2113(SS)
X6	1	S15128-18SMT	IC,OP-AMP,SMT,QUAD,HIGH-PERF,33074D
X7	1	M13552-2SMT	IC,CONVERTER,F/V ,2907, SO-8
X8	1	S15128-4SMT	OP-AMP,SMD,QUAD, GEN-PURPOSE,224D

	ITEM	REQ’D	PART No.	DESCRIPTION
1		1	G3851-B	P.C. BOARD BLANK
2		.01 oz.	E3539	ELECTRICAL INSULATION COMPOUND
	FOR ITEMS BELOW, REFER TO ELECTRONIC COMPONENT DATABASE FOR COMPONENT SPECIFICATIONS
	C1	1	S13490-179	CAPACITOR,ALEL,1000,35V,20%
	C2	1	S25020-5SMT	CAPACITOR,SMD,CERAMIC,2700pF,50V,5% ,X
	C3	1	S13490-182	CAP,ALEL,3300,63V,20%
	C4	1	S25020-10SMT	CAPACITOR,SMD,CERAMIC,4700pF,50V,10% ,
	C5	1	S25024-5SMT	CAPACITOR,SMD,TANTALUM,4.7MF,35V,10% ,
	C6,C39,C48	3	S25020-4SMT	CAPACITOR,SMD,CERAMIC,820pF,50V,5% ,CO
	C7,C9,C11,C14,C15,C17,C18	26	S25020-3SMT	CAPACITOR,SMD,CERAMIC,0.1MF,50V,10% ,X
	C19,C22,C24,C27,C28,C29
	C32,C34,C35,C37,C38,C40
	C41,C44,C47,C50,C52,C53,C54
	C8	1	S25024-2SMT	CAPACITOR,SMD,TANTALUM,1.0MF,35V,10% ,
	C10	1	S25020-12SMT	CAPACITOR,SMD,CERAMIC,100pF,100V,5% ,C
N.C. C12,C23,C30,C31,C36,C42,C43		6	S25020-2SMT	CAPACITOR,SMD,CERAMIC,0.022MF,50V,10%
	C13,C16	2	S25020-14SMT	CAPACITOR,SMD,CERAMIC,330pF,100V,5% ,C
	C20,C21	2	S25024-10SMT	CAPACITOR,SMD,TANTALUM,22MF,25V,10% ,S
	C25,C26	2	S25020-7SMT	CAPACITOR,SMD,CERAMIC,0.22MF,50V,20% ,
	C33	1	S25020-6SMT	CAPACITOR,SMD,CERAMIC,4700pF,50V,5% ,C
	C45	1	S25024-6SMT	CAPACITOR,SMD,TANTALUM,22MF,16V,10% ,S
	C46	1	S25024-8SMT	CAPACITOR,SMD,TANTALUM,10MF,16V,10% ,S
	C49	1	S25024-3SMT	CAPACITOR,SMD,TANTALUM,2.2MF,20V,10% ,
	D1,D2,D3,D4,D5,D16	6	S25040-11SMT	DIODE,SMD,1A,600V,S403A,ULTRA-FAST RE
	D6,D9,D10,D14,D17	5	S25049-4SMT	DIODE,SMD,DUAL,200MA,30V,SCHOTTKY,SOT
	D7	1	S25049-2SMT	DIODE,SMD,1A,30V,SMA,SCHOTTKY
	D8,D11,D13	3	S25040-1SMT	DIODE,SMD,1A,400V,FAST RECOVERY,DO-21
	D12	1	S25040-9SMT	DIODE,SMD,3A,200V,D0-214AB,ULTRA-FAST
	D15,D18,D19	3	S25040-4SMT	DIODE,SMD,DUAL,0.200A,70V,UFR
	DZ1	1	S25044-2SMT	ZENER DIODE,SMD,3W,8.2V,5% , SMB
	DZ4	1	S25045-1SMT	ZENER_DIODE,SMD,225mW,12V,5% ,SOT -23
	DZ5	1	S25044-1SMT	ZENER DIODE,SMD,3W,5.1V,5% , SMB
	DZ6,DZ7	2	S25046-1SMT	ZENER DIODE,SMD,0.5W,5.1V, 5% ,SOD123
	DZ8,DZ9	2	T12702-26	ZENER DIODE, 1W,27V,10% 1N4750A
	J1	1	S24020-16	CONNECTOR,MOLEX,MINI,PCB,16-PIN,TIN
	J2	1	S24020-6	CONNECTOR,MOLEX,MINI,PCB,6-PIN,TIN
	J3	1	S24020-2	CONNECTOR,MOLEX,MINI,PCB,2-PIN,TIN
	Q1,Q9	2	T12704-88SMT	TRANSISTOR,SMD,NMF,T263,45A,100V(SS)
	Q2	1	S25051-4SMT	TRANSISTOR,SMD,NMF,SOT-23,0.115A,60V,
	Q3,Q4,Q5,Q6,Q7,Q11,Q13,Q14	12	S25050-1SMT	TRANSISTOR,SMD,NPN,0.5A,40V,SOT -23,MM
	Q15,Q16,Q17,Q19
	Q8,Q10,Q12,Q18	4	S25050-2SMT	TRANSISTOR,SMS,PNP,SOT23,0.5A, 40V,MM
	R1,R55	2	S25000-2801SMT	RESISTOR,SMD,METAL FILM,1/10W,2.80K,1
	R2	1	S25000-3162SMT	RESISTOR,SMD,METAL FILM,1/10W,31.6K,1
	R3,R7,R126	3	S25001-2671SMT	RESISTOR,SMD,2.67K,1/4W,1206,1% ,TR
	R4	1	S25001-24R9SMT	RESISTOR,SMD,24.9OHMS,1/4W,1206,1% ,TR
	R5,R33,R36,R120	4	S25000-5621SMT	RESISTOR,SMD,METAL FILM,1/10W,5.62K,1
	R6,R26,R121	3	S25000-3322SMT	RESISTOR,SMD,METAL FILM,1/10W,33.2K,1
	R8	1	S25001-2001SMT	RESISTOR,SMD,2K,1/4W,1206,1% ,TR
	R9,R21,R40,R105	4	S25001-1000SMT	RESISTOR,SMD,100OHMS,1/4W,1206,1% ,TR
	R10	1	S25001-15R0SMT	RESISTOR,SMD,15.0OHMS,1/4W,1206,1% ,TR
	R11,R72,R94	3	S25000-1652SMT	RESISTOR,SMD,METAL FILM,1/10W,16.5K,1
	R12	1	S25000-6812SMT	RESISTOR,SMD,METAL FILM,1/10W,68.1K,1
	R13,R25,R43,R98	4	S25000-3321SMT	RESISTOR,SMD,METAL FILM,1/10W,3.32K,1
	R14,R24,R57	3	S25001-1004SMT	RESISTOR,SMD,1.00M,1/4W,1206,1% ,TR
	R15,R65	2	S25000-4753SMT	RESISTOR,SMD,METAL FILM,1/10W,475K,1%

UNLESS OTHERWISE SPECIFIED:

CAPACITANCE = MFD/VOLTS

.20

R61

R49

D16

Q12

R124

R83

INDUCTANCE = HENRIES RESISTANCE = OHMS

THIS SHEET CONTAINS PROPRIETARY INFORMATION OWNED BY THE LINCOLN ELECTRIC COMPANY AND IS NOT TO BE REPRODUCED, DISCLOSED OR USED WITHOUT THE EXPRESS WRITTEN PERMISSION OF THE LINCOLN ELECTRIC COMPANY, CLEVELAND, OHIO U.S. A.

UNLESS OTHERWISE SPECIFI ED TOLERANCE	"X" INFO.	Chg. Sheet No.	DESIGN INFORMATION	REFERENCE:	EQUIPMENT TYPE:
MANUFACTURI NG TOLERANCE PER E2056			DESIGN INFORMATION	REFERENCE:
MANUFACTURI NG TOLERANCE PER E2056
ON 2 P LACE D ECIM ALS IS ± .0 2	XA	10-20-2000	DRAWN BY:	L11110-1
ON 3 PLACE DECIMALS IS ± .002			DRAWN BY:	L11110-1	SUBJECT :
ON AL L ANGL ES IS ± .5 OF A DEGR EE					SUBJECT :
MATERIAL TOLER ANC E (" t") TO AGREE			ENGINEER:	SUPERSEDI NG:
MATERIAL TOLER ANC E (" t") TO AGREE			ENGINEER:	SUPERSEDI NG:				3851-1
WITH PU BLISH ED STAND ARD S.			APPROVED:		SCALE:	DATE:	DRAWING No.:
DO NOT SCALE THIS DRAWING			APPROVED:		SCALE:	DATE:	DRAWING 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 pro- vided 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.

Lincoln Electric SVM157-A service manual PC Board ASSEMBLY-CONTROL, G3851-1

Models: SVM157-A

PC BOARD ASSEMBLY-CONTROL

ELECTRICAL DIAGRAMS

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G3851-1

CONTROL

DZ8

TPTP 31

DZ9

C49

RESISTOR,SMD,METAL FILM,1/10W,39.2K,1

TRIMMER,SMD,MT,1/4W,2K,10% ,LINEAR

RESISTOR,SMD,METAL FILM,1/10W,475OHMS

ELECTRICAL INSULATION COMPOUND

CAPACITOR,ALEL,1000,35V,20%

CAPACITOR,SMD,TANTALUM,4.7MF,35V,10% ,

CAPACITOR,SMD,TANTALUM,1.0MF,35V,10% ,

RESISTOR,SMD,METAL FILM,1/10W,31.6K,1

RESISTOR,SMD,METAL FILM,1/10W,33.2K,1

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