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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-22
PC BOARD ASSEMBLY - INPUT PC BOARD
L11396-2
INVERTER WELDERS
INPUT P.C. BOARD ASSEMBLY
1:
1
L11396
-1
FEI
-
U
NLESS
OTHERW
ISE
SPE
C
IF
IE
D
TOLERA
N
CE
MANUFACTURIN
G
TOLERANCE PER
E2056
ON 2 PLACE DECIMA
LS IS ± .02
ON 3
PLAC
E D
E
CI
MAL
S I
S ± .002
ON ALL ANGLE
S IS ±
.5 OF A DEG
REE
WITH PUBLISHED STANDARDS.
MA
TERIA
L TO
LERANCE ("
")
TO AGREE
t
DO N
OT S
CA
LE
TH
IS
D
RAW
ING
DRA
WN
B
Y:
DE
SI
GN INFORM
A
TION
E
NGIN
EE
R:
APPROVED:
REFERENCE:
EQU
IP
ME
NT
TYPE
:
SU
BJ
EC
T:
SCA
L
E:
L11396-2
MATERIAL
DISPOS
ITI
ON:
APPROVAL
DATE:
PROJECT
NUMBER:
UF
C
RM3440
9
1
PA
GE
___
OF
___
1
ENGINE
ERING CONTROL
L
ED
MANUFACTURER:
No
DOCUME
NT
N
UMB
E
R:
DOCUMENT
REVISION:
T
HIS
DOC
UME
N
T C
ON
TAINS P
R
OP
RIETA
RY IN
FO
RMATIO
N
OW
NE
D BY L
IN
C
OLN
GLOBAL, IN
C. A
N
D MAY NOT BE
D
UPLI
CA
TE
D,
C
OMMU
NI
CA
TE
D
TO OT
HE
R PA
R
TIES O
R
USE
D
FO
R A
NY P
U
RP
OSE WIT
HOU
T THE E
X
PRESS
W
RITTE
N PE
RMISSIO
N
OF LIN
C
OLN
GLOBAL, IN
C.
PROPRI
ETA
RY & CONFIDE
NTIAL:
B
3/16/2
00
7
REVISE
D M
AKE SPE
CIFI
C
ATIO
N
CHANGE DET
AI
L:
S
O
L
I
D
E
D
G
E
ST
RP
CAPACITORS = MFD / VOLTS
RESISTORS = OHMS/WATTS
N.A. THIS AREA TO BE COVERED ON BOTH SIDES OF BOARD WITH ITEM 2 PRIOR TO
ENCAPSULATION. MATERIAL MUST BE APPLIED THRU SLOTS FROM BOTTOM
SIDE TO COMPLETELY FILL TO
UNDERSIDE OFDEVICE ON COMPONENT SIDE.
N.B. P.C. BOARD HOLES TO BE FREE OF ENCAPSULATION MATERIAL.
N.C.
DO NOT COAT WITH ENCAPSULATION MATERIAL.
N.D.
APPLY ITEM 2 AS SHOWN, ALL EXPOSED LEADS MUST BE COVERED. MATERIAL
MUST BE APPL
IED PRIOR TO ENCAPSULATION.
N.E.
APPLY ITEM 2 ON N
ON
-COMPONENT SIDE OF BOARD PRIOR TO
ENCAPSULATION.
ALL EXPOSED PINS MUST BE COVERED.
MAKE PER E1911-ROHS
ENCAPSULATE WITH E1844
TEST PER E3647-I
SCHEMATIC REFERENCE: M19528-2B0
L11396-2
B0
IDENT
IFI
CATION
C
ODE
MA
NU
FA
CTURE
D A
S:
A
LL
C
OMP
ON
E
NT
SA
ND
MATE
RI
ALS
U
SE
DIN
TH
IS
ASSEM
BL
YARE TO
B
E
R
oH
S
C
OMPLIA
NT
PE
R
E4253.
P.
C
.
BOARD
BLA
N
K
INFORM
ATI
ON
(MAKES 8
B
OA
RD
SPE
R
PANEL, SEE ELE
CTR
ON
IC
FILE
F
OR
A
DDI
TI
ON
AL
IN
F
OR
MATI
ON)
BUY COM
PLETE AS
L11396
-B
(
2 LAYER BOARD PER E3281)
ITEM REQ'D
PART NO.
IDENTIFICATION
1 1 SEE BLANK INFO.
P.C. BD. BLANK
21.0OZ.
E2861
SEALANT
3 2 S14020-7 PLASTIC EXPANSION NUT
REFERENCES
QTY
PART NO. DESCRIPTION
C1
1
S16668-5
.022/50
CR1, CR2 2
S14293-18
DPSTRELAY
D1, D3 2
T12199-1
1N4004
D2
1
T12705-58
DIODE,1.0A,1500V
N.C.
J60
1
S24020-8
HEADER,VERTICAL
N.C.
J61
1
S24020-10
HEADER,VERTICAL
OCI1
1
S15000-22
OPTO ISOLATOR
R1, R2, R3, R6, R7, R8, R9, R10 8
S24376-3
100/1OW
R4
1
S19400-2673
267K 1/4W
R5
1
S19400-4750
475 1/4W
R11, R12, R13, R14, R15, R16,
R17, R18, R19, R20, R21, R22,
R23, R24, R25
15
S19400-3011
3.01K 1/4W
TP1, TP2, TP3, TP4 4
T13640-23
MOV,250J,660V
XXXXXXX
XXXXXXXX
XXX
XXX
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
T
P1
T
P2
T
P3
OCI1
T
P4
C1
R4
R5
R2
R3
R10
R9
R6
R7
R8
R22
R24
R25
R23
R13
R14
R15
R16
R17
R18
R19
R20
R21
R12
R11
R1
D1
D2
D3
J61 J60
CR1
CR2
L1139
6-2
INPUT
0
6.00
±
.04
0
4.50
±
.04
1
N.
B.
N.D.
N.D.
N.D.
N.D.
N.
A.
3
G-22
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