Lincoln Electric SVM153-A service manual PC Board Assembly Chopper PC Board

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G-7	ELECTRICAL DIAGRAMS	G-7
PC BOARD ASSEMBLY - CHOPPER PC BOARD

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COMPONENT SIDE CIRCUITRY	OPPOSITE COMPONENT SIDE CIRCUITRY	ITEM	REQ’D	PART NO.	IDENTIFICATION
	OPPOSITE COMPONENT SIDE CIRCUITRY
R1	L11315C -1 300 CHOPPER

B1

B7

BRA

B RA

B2

B3

X1

A1

A2

Q1

C2

C5

N.A.

FOR PARTS ORDERS:

CAPACITORS = MFD/VOLTS

INCLUDE (1) L11167 PRINT

0

0

RESISTORS = OHMS

AND (1) T12837-1

0

MAKE FROM S19399

0

(MAKES 6 BOARDS)

ITEM

REQ’D

PART NO.

IDENTIFICATION

NOTE: FOR BLANK SHEARING TOLERANCE SEE P.C. BOARD ASSEMBLY.

N.A., N.H.

1

1

L11315-B

P.C. BOARD BLANK

2

2

M16100-39

ELECTRONIC MODULE

BLANK PART NO. L11315-B

3

4

T9147-15

EYELETS

(MALE)

4

4

T9147-11

EYELETS

(FEMALE)

5

2.0 OZ.

E2861

SEALANT

7

6

N.C.

6

2

S20590-1

HEAT SINK

.490~.005

7

1

S18250-542

PLUG & LEAD ASSEMBLY

~.04

(RESTRAINED)

N.E., N.F.

5.75

L11315300C6 -1 ˇ

300 CHOPPER

NOTES :

1

4

N.J.

3

N.A. CAUTION: THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC

N.G.

ELECTRICITY. SEE E2454 BEFORE HANDLING.

.275

4.55

R .045

N.C. THESE AREAS TO BE COVERED ON BOTH SIDES OF BOARD WITH

.285

SEALANT PRIOR TO ENCAPSULATION.

MAX.

.105

1.75

N.J.

N.D. INJECT SEALANT ITEM

5 THROUGH THE PC BOARD HOLES

2

CRIMP HEIGHT

(10 HOLES) TO SEAL MODULE LEADS. CAVITY BETWEEN BOARD

OPPOSITE

N.C.

AND MODULE TO BE COMPLETELY FILLED WITH ITEM 5 SEALANT

N.D.

N.K.

SIDE

MATERIAL AS PER APPROPRIATE MANUFACTURING WORK INSTRUCTIONS.

EYELET DETAIL

COVER ALL MODULE LEADS THAT PROTRUDE FROM THE NON-MODULE

SIDE OF THE BOARD WITH ITEM 5 SEALANT.

2.80

N.E. FEMALE EYELET TO BE AGAINST THE OPPOSITE COMPONENT SIDE AS

N.C.

SHOWN. EYELET MUST NOT SPIN AFTER CLINCHING.

						N.F. SOLDER EYELET SO THAT SOLDER COVERS ENTIRE EYELET AND ALL
						AROUND EYELET ON OPPOSITE COMPONENT SIDE ONLY. NO ICICLES OR
						SOLDER BLOBS PERMITTED.
					MANUFACTURED AS:
					}	N.G. DO NOT COVER OVER COMPONENT C5 WITH SEALANT.
					L11315-1B0	PLACE SEALANT ALONG SIDE AND UNDER COMPONENTS.
						N.H. ELECTRONIC MODULES ON A COMMON P.C. BOARD ASSEMBLY TO HAVE
	.475				}
						VGE(TH) WITHIN 5 SORT CODES (0.5VSPAN) FOR THE SAME VCE(SAT) CODE
					IDENTIFICATION CODE
						AND MANUFACTURING CODE.
	0					N.J. THIS DIMENSION APPLIES TO TWO OF THE FOUR EYELETS
	.075		1.425	~.04	e.g. M16100-39 X XX XX	N.K. ELECTRONIC MODULES TO BE ASSEMBLED AND ENCAPSULATD PER E3875.
L	0			6.00
	1.012		1.575		VENDOR CODE
11315-				MAKE PER E1911
			3.60 ~.02		VCE(SAT)
1			3.78		VGE(TH)
		2.21		ENCAPSULATE WITH E1844 (1 COAT)
				TEST PER E3846-CH

ENGINE WELDERS	P.C. BOARD AS’BLY	NOSHT. . L 11315-1
	CHOPPER
			SUP'S'D'G
	300		L11068-1
EQUIP. TYPE
	SUBJECT		REF.
LINCOLNTHEELECTRIC CO.	CLEVELAND,OHIO U.S.A.		CHK
		SCALEFULL	DR
			98-10-2
			DATE
			MAP

Ch’ge. Sht. No. XG-UF 4-14-2000 9-22-2000

UNLESSOTHERWISE SPECIFIED TOLERANCE	ON HOLE SIZES PER E2056 ON 2 PLACE DECIMALS IS .02		ON 3 PLACE DECIMALS IS .002	OF A DEGREE	MATERIAL TOLERANCE (" ")t TO AGREE WITH PUBLISHED STANDARDS.
				ON ALL ANGLES IS .5
	AND IS
SHEET CONTAINS PROPRIETARY INFORMATION	OWNED BY THE LINCOLN ELECTRIC CO.	NOT TO BE REPRODUCED, DISCLOSED OR USED		WITHOUT THE EXPRESS PERMISSION OF	THE LINCOLN ELECTRIC CO.
THIS

CAD

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.