Lincoln Electric SVM166-A service manual PC Board Assembly Boost M19753-2, To Section

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G-5	ELECTRICAL DIAGRAMS	G-5
PC BOARD ASSEMBLY - BOOST - (M19753-2)

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2-M19753	ENGINEERING CONTROLLED CHANGE DETAIL: REVISED ITEM 4 WASHER
	MANUFACTURER:	No

NOTES:

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

SEE E2454 BEFORE HANDLING.

N.B. MODULE IDENTIFICATION LABEL TO BE PLACED IN THIS AREA.

N.C. MOLEX CAVITES AND AREA AROUND LOCKING TAB TO BE FREE OF POTTING MATERIAL. MASK PER

R19

ITEM	REQ'D	PART NO.	DESCRIPTION
C1,C11	2	S13490-173	CAPACITOR,PEMF,1.0,63V,10%
C3,C7,C14,C28	4	S16668-11	CAPACITOR,CEMO,0.1, 50V,10%
C4	1	S16668-2	CAPACITOR,CEMO,47P, 100V,5%
C5,C6	2	S16668-10	CAPACITOR,CEMO,4700P, 50V,2%
C8,C12	2	S13490-197	CAPACITOR,ALEL,82,35V,20%,LOW-ESR
C9,C10	2	S13490-195	CAPACITOR,ALEL,1200,160V,20%
C21,C26,C29	3	S16668-5	CAPACITOR,CEMO,.022,50V,20%
C24	1	T11577-38	CAPACITOR,CD,.02,600V,+80/-20%
D1	1	T12705-23	DIODE,SCHOTTKY,AXLDS,1A,30V,1N5818
D2,D6,D7,D8,D9	5	T12705-34	DIODE,AXLDS,1A,400V,FR,1N4936

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APPROPRIATE MANUFACTURING WORK INSTRUCTIONS.

N.D. TORQUE TO 3.0 in. lbs. +/-10%.

N.E. ENCAPSULATE TO WITHIN .10 OF TRAY TOP. WHILE APPLYING ENCAPSULATION, APPLY SOME OVER THE TOP OF ITEM 11.

N.F. PRINT “M19753-[ ] “ (LATEST DASH NUMBER AND I.D. CODE) BOARD LABEL.

N.G. ASSEMBLE ITEMS 1 THROUGH ITEMS 4 AS SHOWN. TORQUE MODULE TO 15-20 IN. LBS.

N.H. ASSEMBLE P.C. BOARD WITH CAPACITORS LOCATED AS SHOWN.

P.C. BOARD BLANK INFORMATION

BUY COMPLETE AS M19753-K (4 LAYER BOARD PER E3281)

(MAKES 8 BOARDS PER PANEL. SEE ELECTRONIC FILE FOR ADDITIONAL INFORMATION)

PANEL SIZE PER E1911

N.C.

						L1
R5
		J47						TP1
							FTP6
					DZ2	R8
	C3							FTP4	X1
					D1	R6	R7	C4	C5
R10	R11	R12	D6	R61
									C6
	R75					C8		FTP7
	R73
	R74							DZ6
R51	R60	DZ8				C12		C24
			Q6				R21

Q1

+ -

C9

C1

R2R1

R9	C7	DZ1	R20	D9	C29 R69 R64 R63
					X2
		R70	R68	C14

FTP8

BOOST SUPPLY

M19753-

2

				+	-
				C10
	R71				R72	R18
	TP2				C11	R17
					A1
				DZ9		D2
C28	R62	C26FTP5			D8
						R16
	D7	R52	R67	R66	R65
						R15
R40	C21	R39	R55	Q7
						R14
	DZ7	R37	R38	Q5

	DZ1	1	T12702-58	ZENER DIODE,5W,16V,5% 1N5353B
	DZ2,DZ9	2	T12702-45	ZENER DIODE, 1W,18V,5% 1N4746A
	DZ6,DZ8	2	T12702-29	ZENER DIODE, 1W,15V,5% 1N4744A
	DZ7	1	T12702-27	ZENER DIODE, 1W,10V,5% 1N4740A
	FTP4,FTP5,FTP6,FTP7,FTP8	5	TESTPT_FUNTION	FUNCTIONAL TEST POINT
	J47	1	S24020-8	CONNECTOR,MOLEX,MINI,PCB,8-PIN,TIN
	L1	1	T12218-14	CHOKE,470UH,10%,11.4A,RADIAL
N.A. Q1		1	T12704-72K2	MOSFET/HEATSINK ASBLY,T12704-72&S20590-2(SS)
	Q5,Q6,Q7	3	T12704-68	TRANSISTOR,NPN,TO226,0.5A,40V,2N4401
	R1,R2,R71,R72	4	S25365-00R1	RESISTOR,STAND-UP,WW,5W,0.1,5%
	R5,R10	2	S19400-1002	RESISTOR,MF,1/4W,10.0K,1%
	R6	1	S19400-9092	RESISTOR,MF,1/4W,90.9K,1%
	R7,R52	2	S19400-1821	RESISTOR,MF,1/4W,1.82K,1%
	R8	1	S19400-20R0	RESISTOR,MF,1/4W,20.0,1%
	R9,R20	2	S19400-2673	RESISTOR,MF,1/4W,267K,1%
	R11	1	S19400-4321	RESISTOR,MF,1/4W,4.32K,1%
	R12	1	S19400-2213	RESISTOR,MF,1/4W,221K,1%
	R14,R15,R16	3	S25365-3300	RESISTOR,STAND-UP,WW,5W,330,5%
	R17,R18,R19	3	S19400-8251	RESISTOR,MF,1/4W,8.25K,1%
	R21	1	S19400-5622	RESISTOR,MF,1/4W,56.2K,1%
	R37,R38	2	S19400-3322	RESISTOR,MF,1/4W,33.2K,1%
	R39,R40,R64,R65,R66,R67	6	S19400-1003	RESISTOR,MF,1/4W,100K,1%
	R51	1	S19400-1000	RESISTOR,MF,1/4W,100,1%
	R55	1	S19400-1503	RESISTOR,MF,1/4W,150K,1%
	R60	1	S19400-3321	RESISTOR,MF,1/4W,3.32K,1%
	R61,R73,R74,R75	4	S19400-47R5	RESISTOR,MF,1/4W,47.5,1%
	R62	1	S19400-6810	RESISTOR,MF,1/4W,681,1%
	R63	1	S19400-2211	RESISTOR,MF,1/4W,2.21K,1%

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EN-170

N.G.

1

		N.G.	N.G.
	N.B.
		3	2
6	12	5

N.F.

N.H.

8

4

7

N.D.

N.G.

4

10 11

R68	1	S19400-1004	RESISTOR,MF,1/4W,1.00M,1%
R69	1	S19400-7501	RESISTOR,MF,1/4W,7.50K,1%
R70	1	S19400-4753	RESISTOR,MF,1/4W,475K,1%
TP1,TP2	2	T13640-24	MOV,175VRMS,120J,20MM
X1	1	M15458-8	IC,PWM-CONTROLLER,IMODE,2843A
X2	1	S15128-4	OP-AMP,QUAD, GEN-PURPOSE,224N

ISO VIEW

REFERENCE ONLY

ITEM

PART NO.

DESCRIPTION

QTY

M19753-2K0

1

M19996

HEAT SINK

1

}

2

S25347-1

THERMAL INTERFACE PAD

1

IDENTIFICATION CODE

N.A.

3

M16100-57

ELECTRONIC MODULE ASBLY

1

CF000012

1/4-20X.50HHCS

2

4

T12735-3

SPRING WASHER

2

CF000017

1/4-20 HN

2

MAKE PER E1911& E3875

5

S25346-1

GASKET

1

6

M19436-8

POTTING TRAY

1

TEST PER E4036-BT

7

S8025-96

SELF TAPPING SCREW

2

ENCAPSULATE WITH ITEM 9

8

SEE ABOVE

BOOST PC BD BLANK

1

*

9

E2527

EPOXY ENCAPSULATING RESIN

10

S20590-2

HEAT SINK

1

SCHEMATIC REFERENCE: L11818-2K0

11

S25253-1

HEAT SINK MOUNTING CLIP

1

N.B., N.F.

12

E3768-4

LABEL

2

* THESE ITEMS NOT SHOWN

THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OWNED BY LINCOLN GLOBAL, INC. AND MAY NOT BE DUPLICATED, COMMUNICATED

PROPRIETARY & CONFIDENTIAL:

TO OTHER PARTIES OR USED FOR ANY PURPOSE WITHOUT THE EXPRESS WRITTEN PERMISSION OF LINCOLN GLOBAL, INC.

ON 2 PLACE DECIMALS IS ± .02

LN-15

PAGE 1

OF 1

EDGE

UNLESS OTHERWISE SPECIFIED TOLERANCE

DESIGN INFORMATION

REFERENCE:

EQUIPMENT TYPE:

MANUFACTURING TOLERANCE PER E2056

ON 3 PLACE DECIMALS IS ± .002

DRAWN BY: FEI

M19753-1

SUBJECT:

BOOST BD HEATSINK ASBLY

DOCUMENT

DOCUMENT

SOLID

ON ALL ANGLES IS ± .5 OF A DEGREE

ENGINEER:

SCALE:

NUMBER:

REVISION:

MATERIAL TOLERANCE ("t ") TO AGREE

M19753-2

C

DO NOT SCALE THIS DRAWING

APPROVED:

1:1

DISPOSITION: UF

DATE:

05/12/2003

NUMBER: CRM22115-EF

WITH PUBLISHED STANDARDS.

MATERIAL

APPROVAL

PROJECT

STRP

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.

LN-15