Lincoln Electric SVM158-A service manual PC Board ASSEMBLY-SWITCH, 11.00 ±.04

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G-10	ELECTRICAL DIAGRAMS	G-10
PC BOARD ASSEMBLY-SWITCH

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11.00 ±.04

R1

R2

SW V3 HICT 50		G38 031-	R127
		R126
	J21

		ITEM	REQ'D	PART NO.	DESCRIPTION
		C1,C23	2	S20500-4	CAPACITOR,PPMF,.0047,1000V,BOX
		C2,C24	2	S20500-7	CAPACITOR,PPMF,.047,1600V,BOX,10%
		C3,C18	2	S13490-93	CAPACITOR,TAEL,27,35V,10%
		C4,C21	2	S20500-1	CAPACITOR,PPMF,0.1,1000V,10%,BOX
		C5,C6,C15,C16	4	S16668-6	CAPACITOR,CEMO,4700p,50V,10%
		C7,C12,C13,C14,C20,C27,C28	8	S16668-5	CAPACITOR,CEMO,.022, 50V,20%
		C29
		C8,C9,C22	3	S16668-9	CAPACITOR,CEMO,150p, 100V,5%
		C10,C11	2	S13490-85	CAPACITOR,PCF,.027,50V,5%
		C25,C26	2	T11577-57	CAPACITOR,PEF,0.1,400V,10%
		C31,C32	2	S16668-7	CAPACITOR,CEMO,820p,50V,5%
	N.E., N.F.	CR1,CR2	2	S14293-18	RELAY,DPST,12VDC,AG-CDO
		D1,D4,D16,D17	4	T12705-59	DIODE,AXLDS,3A,600V,UFR
	6	D7,D8,D9,D12,D14,D18,D19	9	T12199-1	DIODE,AXLDS,1A,400V
7
		D20,D21
		DZ1,DZ2,DZ3,DZ5,DZ6,DZ15	10	T12702-29	ZENER DIODE, 1W,15V,5% 1N4744A

R3

R4

21

T3

R13	R14	X1
		C3

R122	R83
DZ22	DZ11
R123	R37	R107	R92
C22	C9
OCI3
R65		OCI2

X4

C18

21

T2

R124

R125

R .045		.275	DZ16,DZ18,DZ19,DZ23
		.285	DZ4,DZ7,DZ17,DZ20	4	T12702-40	ZENER DIODE, 1W,6.2V,5% 1N4735A
.105	MAX.		DZ8	1	T12702-19	ZENER DIODE, 1W,12V,5% 1N4742A
			DZ9,DZ10,DZ12,DZ13	4	T12702-45	ZENER DIODE, 1W,18V,5% 1N4746A
CRIMP

D21

R135

5

B

R120

C32

R39

R38

R72

X2

R73 R74 R64 R76 R62 R84

C14

B2

B203

N.L.

208

B218

R15
R19	R21	DZ4
C5
R20
	DZ2	DZ3

R42	R40	D8
			C12
			R43
			D9
C10			DZ9
		R44	Q2

R63	R75	R77	C29	R85
	R41
				R86
		R78
	DZ10	R45	R59	R87

DZ17	R98
DZ15	DZ16

R99

R93

C15

R97

01

B211

B207

N.L.

N.C.

B213

R5

DZ1

R6

D1

C1

C2

C4

			Q3
			C31
			R35
R34	R51	C7	R60
			C13
			C20
R33	R50	R48	R49

D20 R66 R80 R81

C21

D16

C23

C24

B217

R128 DZ23

R129

N.D.

A2

			X3
R32	R134	R47	R46
			R82

C11 D14 R68

A1

B216

B205

R52 R53

Q4 Q5

	B212
B204	20

1

20

B206

20

D4

R22
R26	R28	DZ7
C6
R27
	DZ6	DZ5
		R30

R79

R61 C28 R67 D12 DZ12

R142

R69

R70

DZ13

Q1

DZ19	DZ18
R100	DZ20

	D17
R106
R105
C16	B202
R101
	R133
	R130

3

N.B., N.G., N.J. (5 PLACES)

R8	R9
R7	R10

N.H.

CR2

CR1

		R31
	R12		DZ8
R11

B209

OCI1

C8 R36

R56 R55

R57

R58

	R131	R132
		TRI1
	TP1
		J22
T1	R138	R140
	R137	R139
		C25

N.N.

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D7	D19	R109	R141	C27	D18	OCI4
			J20				C26

0

0 9.00 ±.04

N.K.

2

N.M.

HEIGHT	NON-COMPONENT		DZ11,DZ22	2	T12702-4	ZENER DIODE, 1W,20V,5% 1N4747A
	SIDE		J20,J21	2	S24016-8	CONNECTOR,MOLEX,MINI,PCB,RT-L,8-PIN
EYELET DETAIL			J22	1	S24016-4	CONNECTOR,MOLEX,MINI,PCB,RT-L,4-PIN
			OCI1,OCI2,OCI3	3	S15000-22	OPTOCOUPLER,PHOTO-Q,70V,CNY17-3/VDE
			OCI4	1	S15000-29	OPTOCOUPLER,TRIAC,DRV,RANDOM,600V
		N.A.	Q1	1	T12704-75	TRANSISTOR,NMF,T247,4A,900V(SS)
		N.A.	Q2,Q3,Q4,Q5	4	T12704-73	MOSFET,4-PIN DIP,1A,100V,RFD110(SS)
			R1,R2,R3,R4,R7,R8,R9,R10	16	T14648-5	RESISTOR,WW,5W,3.3K,5%,SQ
			R124,R125,R126,R127,R130
			R131,R132,R133
			R5,R6,R19,R26,R93,R105	9	S19400-1001	RESISTOR,MF,1/4W,1.00K,1%
			R109,R128,R129
			R11,R12,R30,R31,R142	5	S19400-1503	RESISTOR,MF,1/4W,150K,1%
			R13,R39,R43,R60,R81,R92	6	S19400-3321	RESISTOR,MF,1/4W,3.32K,1%
			R14,R107	2	S19400-1652	RESISTOR,MF,1/4W,16.5K,1%
MANUFACTURED AS:			R15,R20,R21,R22,R27,R28	12	S19400-10R0	RESISTOR,MF,1/4W,10.0,1%
			R97,R98,R99,R100,R101,R106
			R32,R33,R34,R48,R49,R50	16	S19400-1003	RESISTOR,MF,1/4W,100K,1%
G3830-1DO			R51,R62,R63,R74,R75,R85
			R86,R87,R134,R135
	IDENTIFICATION CODE		R35,R52,R73,R84	4	S19400-6191	RESISTOR,MF,1/4W,6.19K,1%
			R36,R37,R123	3	S19400-2213	RESISTOR,MF,1/4W,221K,1%
PART NO.			R38,R40,R42,R45,R53,R59	12	S19400-1002	RESISTOR,MF,1/4W,10.0K,1%
			R66,R69,R70,R72,R80,R82
			R41,R67	2	S19400-4752	RESISTOR,MF,1/4W,47.5K ,1%
			R44,R68	2	T12300-79	RESISTOR,WW, 1W,1.0,1%
			R46,R76	2	S19400-3322	RESISTOR,MF,1/4W,33.2K,1%
NOTES:			R47,R64	2	S19400-2000	RESISTOR,MF,1/4W,200,1%
N.A. CAUTION: THIS DEVICE IS SUBJECT TO DAMAGE BY			R55,R56,R57,R58	4	S24376-3	RESISTOR,WW,10W,100,5%
STATIC ELECTRICITY. LINCOLN ELECTRIC TO SEE E2454
			R61,R77	2	S19400-8251	RESISTOR,MF,1/4W,8.25K,1%
BEFORE HANDLING.
N.B. SNAP POWER TERMINALS INTO COMPONENT SIDE OF BOARD.			R65,R120	2	S19400-2001	RESISTOR,MF,1/4W,2.00K,1%
N.C. UNLESS OTHERWISE SPECIFIED, THESE AREAS TO BE COVERED ON			R78,R79	2	S16296-5	TRIMMER,MT,1/2W,10K, 10%,LINEAR
BOTH SIDES OF BOARD (WHERE POSSIBLE) WITH SEALANT PRIOR TO
			R83,R122,R141	3	S19400-1000	RESISTOR,MF,1/4W,100,1%
E NCAPSULATION.
N.D. INJECT SEALANT ITEM 8 THROUGH THE PC BOARD HOLES (16 HOLES)			R137	1	S19400-3570	RESISTOR,MF,1/4W,357,1%
TO SEAL MODULE LEADS. CAVITY BETWEEN BOARD AND MODULE TO BE			R138	1	S19400-1500	RESISTOR,MF,1/4W,150,1%
COMPLETELY FILLED WITH ITEM 8 SEALANT MATERIAL AS PER
			R139	1	S19400-4750	RESISTOR,MF,1/4W,475,1%
APPROPRIATE MANUFACTURING WORK INSTRUCTIONS. COVER ALL
MODULE LEADS THAT PROTRUDE FROM THE NON-MODULE SIDE OF THE			R140	1	S19400-39R2	RESISTOR,MF,1/4W,39.2,1%
BOARD WITH ITEM 8 SEALANT.			T1	1	S13000-46	TRANSFORMER,PCB;
N.E. FEMALE EYELET TO BE AGAINST THE NON-COMPONENT SIDE AS SHOWN
			TP1	1	T13640-24	MOV,175VRMS,120J,20MM
EYELET MUST NOT SPIN AFTER CLINCHING.
N.F. SOLDER EYELET SO THAT SOLDER COVERS ENTIRE EYELET			TRI1	1	S15161-27	TRIAC,T220,8A,800V
AND ALL AROUND EYELET ON COPPER SIDE ONLY.			X1,X4	2	S15128-10	VOLTAGE REF,ADJ, PRECISION,431I
NO ICICLES OR SOLDER BLOBS PERMITTED.
N.G. AFTER SOLDERING, INSPECT POWER TERMINAL CONNECTIONS PER E1880.			X2,X3	2	S15128-18	OP-AMP,QUAD, HIGH-PERF,33074
N.H. THIS AREA TO BE COVERED ON COMPONENT SIDE OF BOARD WITH SEALANT
PRIOR TO ENCAPSULATION. MATERIAL MUST BE APPLIED FROM TOP TO
COMPLETELY FILL TO UNDERSIDE OF DEVICE. THEN APPLY SEALANT AROUND				ITEM PART NO.		DESCRIPTION	QTY
BASE OF DEVICE.
				1	SEE DETAIL	P.C. BOARD BLANK	1
N.J. THIS AREA TO BE COVERED ON OPPOSITE COMPONENT SIDE OF BOARD WITH
			N.A.,N.M.,N.P. 2		M16100-44	ELECTRONIC MODULE (A1, A2)	2
ITEM 8 PRIOR TO ENCAPSULATION. DO NOT COAT WITH ENCAPSULATION
				3	S23006	TERMINAL (B211,B218,B204,B205,B209)	5
MATERIAL ON THE TOP SURFACES NOR THE THREADS.		CAPACITORS = MFD/VOLTS
				4	M19612	CURRENT TRANSDUCER (T2, T3)	2
N.K. SEALANT HEIGHT BETWEEN MODULES NOT TO EXCEED .17” MAX.		INDUCTANCE = HENRIES
				5	S24866	POWER TERMINAL (B201, B208)	2
N.L. ITEM 5 MUST HAVE FULL CONTACT WITH ITEM 3 ON THE CONTACT SURFACE.		RESISTOR = OHMS
						EYELET-FEMALE
N.M. THE TWO MODULES, ITEM 2 MUST BE MATCHED. THE LAST TWO DIGITS OF THEIR				6	T9147-11		8
						EYELET-MALE
SORT CODES MUST BE IDENTICAL.				7	T9147-15		8
						SEALANT
N.N. SMALL PC BOARD HOLES TO BE FREE OF ENCAPSULATION MATERIAL FOR A				8	E2861		5.0oz
CEN TERED .40 MINIMUM DIAMETER AND .45 MAXIMUM DIAMETER (4 HOLES). TO BE		SCHEMATIC REFERENCE L11487-1D0
CENTERED WITHIN .06 (DO NOT GET ON MATING SURFACES). MASK PER

APPROPRIATE MANUFACTURING WORK INSTRUCTIONS.

N.P. ELECTRONIC MODULES TO BE ASSEMBLED AND ENCAPSULATED PER E3875.

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PC. BOARD BLANK REFERENCE INFORMATION

BUY COMPLETE AS G3831-D (4 LAYER BOARD PER E3281)

(MAKES 2 BOARDS PER PANEL, SEE ELECTRONIC FILE FOR ADDITIONAL INFORMATION) PANEL SIZE PER E1911

MAKE PER E1911
ENCAPSULATE WITH E1844, 3 COATS
TEST PER E3817-SW	FOR PARTS ORDERS AND SUBSIDIARY ORDERS:
	INCLUDE (1) S25191PRINT AND (1) T12837-1.

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 SPECIFIED TOLERANCE	Chg. Sheet No.	"X" INFO.	DESIGN INFORMATION	REFERENCE:	EQUIPMENT TYPE:	INVERTER WELDERS
MANUFACTURING TOLERANCE PER E2056
ON 2 PLACE DECIMALS IS ± .02	6-2-2000A		DRAWN BY: F.V./JB
ON 3 PLACE DECIMALS IS ± .002	9-22-2000A				SUBJECT:	SWITCH P.C. BOARD ASSEMBLY
ON ALL ANGLES IS ± .5 OF A DEGREE
MATERIAL TOLERANCE ("t") TO AGREE			ENGINEER:	SUPERSEDING:
	10-27-2000F					DATE: 11-18-99DRAWING No.: G 3830-1
WITH PUBLISHED STANDARDS.			APPROVED:		SCALE: FULL
DO NOT SCALE THIS DRAWING	5-25-2001C

SOLID EDGE

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.

V350-PRO