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.
ELECTRICAL DIAGRAMS
G-12
MULTI-WELD 350
PC BOARD ASSEMBLY-POWER
CAD
9-17-99
RMT/
FULL
RT 3-26-99
t
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON HOLE SIZES PER E2056
ON 2 PLACE DECIMALS IS .02
WITH PUBLISHED STANDARDS.
ON 3 PLACE DECIMALS IS .002
ON ALL ANGLES IS .5 OF A DEGREE
MATERIAL TOLERANCE (" ") TO AGREE
THE LINCOLN ELECTRIC CO.
CLEVELAND, OHIO U.S.A.
EQUIP.
TYPE
SCALE
SUBJECT
DR
DATE
CHK
REF.
SUP'S'D'G
SHT.
NO.
THE LINCOLN ELECTRIC CO.
THIS SHEET CONTAINS PROPRIETARY INFORMATION
OWNED BY
AND IS
NOT TO BE REPRODUCED, DISCLOSED OR USED
THE LINCOLN ELECTRIC CO.
L
L
WITHOUT THE EXPRESS PERMISSION OF
11078-1
MAKE PER E1911
L11078-1B0
MANUFACTURED AS:
IDENTIFICATION CODE
}
}
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS, 1/4 WATT (UNLESS OTHERWISE SPECIFIED)
ITEM
REQ'D
PART NO
IDENTIFICATION
ITEM REQ'D PART NO. DESCRIPTION
1
1
11078-1
G3699-B
1
0
3.85~.04
40V DC BUS P.C. BOARD ASSEMBLY
MULTI-WELD 350
P.C. BOARD BLANK
0
4.50~.04
TEST PER E3862
.20
.20
3.65
4.30
ELECTRICITY. SEE E2454 BEFORE HANDLING.
CAUTION:
N.A. THIS DEVICE IS SUBJECT TO DAMAGE BY STATIC
N.A.
N.A.
N.A.
2
1
3
M16100-43
E2527
ELECTRONIC MODULE
N.B.
2
SCHEMATIC REFERENCE - M19330
XE-UF
POT PER E1911-E
100 g EPOXY ENCAPSULATING RESIN
N.B. THESE HOLES TO BE KEPT FREE OF POTTING MATERIAL. (.50 DIA. MIN.)
POTTING MATERIAL BUILD UP.
N.C. COVER EXPOSED BOTTOM SURFACE OF ELECTRONIC MODULE TO AVOID
G-12
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