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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-26
PC BOARD ASSEMBLY - VOLTAGE SENSE PC BOARD
0
1.55
1.75
0
±.04
N.A
.
DO N
OT
CO
AT
WI
TH
ENCAPSU
LA
TION M
ATE
RI
AL.
IDEN
TIFI
CA
TI
ON CODE
M
19540
-3CO
MAKE PER
E1911-
ROHS
ENCAPSU
LA
TE
WI
TH
E1844
(
2
DIPS)
2.00
MANUFACTURED
AS
TES
T PER
E3689-
VS
.20
1.00
1.80
.20
±.04
N.B
.
DO N
OT
CO
AT
WI
TH
ENCAPSU
LA
TION M
ATE
RI
AL
.23
MIN
.
DIA
.
(
3 PL
ACES) ON NON COMPONE
NT
SIDE.
M19540-3
COMMON DIGITAL CONTROLS
VOLTAGE SENSE PC BRD AS'BLY
1:1
M19540-2
FEI
-
U
NLESS
OT
HERWI
SE SPE
C
IF
IED
T
OLE
RANCE
MAN
UFA
CT
URING
TOLE
RA
N
CE PER E2056
ON
2
PLACE
DEC
I
MALS
IS
±
.0
2
ON
3
PLA
CE DE
CI
MA
LS
IS
± .002
ON
ALL
AN
GLES
IS
±
.5
OF A
DEG
REE
WITH
PUBL
ISHED
STANDAR
DS.
MATERIAL T
OLE
RAN
CE
(" ")
TO
AG
REE
t
DO N
OT
S
CA
L
E TH
IS
D
RA
WING
D
RAW
N
BY:
DESIG
NIN
FO
R
MA
T
IO
N
ENGI
NEER
:
APP
R
OVE
D:
REFERENCE:
EQ
UIPMENT TYPE:
SUBJECT:
SC
ALE
:
M19540-3
MATERIAL
DISPOS
IT
ION:
APPROVAL
DATE:
PROJECT
NUMBER:
UF
CRM34409
1
PAGE _
_
_ OF __
_
1
EN
GI
NEE
RIN
G
CO
NTR
OL
L
ED
M
AN
UF
ACTU
RE
R:
No
DOC
UM
E
NT
N
UM
BE
R:
DOCUMENT
REVISION:
THIS
DO
CU
ME
NT CO
NTAINS
PROPRI
ET
ARY
IN
FO
R
MATION O
W
NE
D BY
L
IN
COL
N GLO
B
AL
,
IN
C. AN
D
MAY NOT
BE
D
UPLICAT
ED, CO
MMU
NI
CATED
TO
O
THER P
ARTI
ES
OR USED FOR ANY
PU
RPOS
EWI
THO
UT THE
EX
PRE
SS W
RITT
EN
P
ER
MISS
ION OF L
IN
COL
N GLO
B
AL
,
INC.
PROPRIE TA RY & CONFIDENTIAL:
C
3/16/2007
REVISED MAKE SPECIFICATION
C
HA
N
GE
DETAI
L:
S
O
L
I
D
E
D
G
E
S
TRP
I
TE
M
REQD
PA
RT
NO.
I
DEN
TIFI
CA
TION
I
TE
M
REQD PA
RT
NO.
DESCRI
PTIO
N
1
1
SEE
BL
ANK
I
NFO
P.C
.
BOARD
BL
ANK
INDU
CT
ANCE = HENRYS
RESI
STO
RS = OHMS
CAPACI
TO
RS = MFD/V
OLTS
N
.A.
N
.A.
D1 1 T
1219
9-1 1N4
004
J1 1 S2
402
0-6
HEA
DE
R
J2 1 S2
402
0-2G
HEA
DE
R
L
1 1
T1221
8-7 3
30
uH
O
C
I1,OCI2 2 S
1500
0-2
0 PH
OTO
FET
R1,
R2 2 S1
940
0-4
75
0
47
51/
4W
R3 1 S1
838
0-1
THER
M
IS
TOR,P
TC
TP
1,
TP
2
2
T1364
0-1
8
16
0J
C1 1 S2
050
0-4 .0
04
7
1000V
SCHEMATIC RE FERENCE: S24779-3CO
M19540-3
J1
J2
VOLTAGE SENSE SELECT
R1
R
3
OCI1 OCI2
R2
C1
D1
L1
TP1
TP2
N.B.
N.A.
ALL COMP ONENTS AND M ATERIALS US ED IN THIS
ASSEMBLY ARE TO BE RoHS COMPLIANT PER E 4253.
P.
C
. B
OARD
BL
AN
K I
NFORM
AT
IO
N
(MAKES 54 BOA RDS PER PANEL, SEE ELECTRONIC FILE
FOR ADDITIONAL INFO
RM
A TION)
BUY COM
PL
ETE AS
M
19540
-C
( 2 LA YER BOA RD PER E3281)
G-26
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