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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-21
INVERTEC® V450-PRO
PC BOARD ASSEMBLY - LED SELECT PC BOARD - (M19875)
M19875-2
INVERTER WELDERS
LED SELECT PC BOARD ASSEMBLY
1:1
M19875-1
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
:
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.
PROPRIETARY & CONFIDENTIAL:
B
3/16/2007
ADDED MAKE PER E1911-ROHS
C
HA
N
GE
DETAI
L:
M19875-2
RESIST
AN
CE
=
O
HMS
MANUFACTURE AS:
M19875-2C0
IDENTIFICATION CODE
MAKE PER E1911-ROHS
ENCAPSULATE WITH E1844. (2 C OATS)
BRUSH COAT A CCEPTABLE
NOTES:
N.A. DO NOT COA T WITH ENCAPSULATION MATERIAL.
N.B. INSERT ITEM 2 BETWEEN ROWS OF LED'S. ITEM 2
MUST BE FLUSH WITH LED BULB.
N.C. ENCAPSULATE PC BOARD AND LOWER HALF OF LED.
PART NO.
N.C.
N.D. ENCAPS ULATE AROUND BASE OF COMPONENT
N.E. COAT EXTERNAL PINS WITH ENCAPSULATION MATERIAL.
CATHODE
(SQUARE)
ANODE
(ROUND)
ENLARGED DETAIL
(LED ORIENTATION)
SCHEMATIC REFERENCE: S25259-2C0
TEST PER E3964-ST
ALL COMPONENTS AND
M
ATERIALS USED IN THIS
ASSE
MB
LY ARE TO BE RoHS COMPLIANT PER E4253.
P.C. B OARD BLANK INFORMATION
BUY COMPLETE AS M19875-C (2 LAYER BOARD PER E3 281).
(MAKES 63 BOARDS PER PAN EL. SEE ELECTRONIC FILE
FOR ADDITIONAL INFORMATION).
ITEM
QTY
PART NUMBER DESCRIPTION
1 1 SEE BLANK INFO. PC BOARD BLANK
21
CI001498
E3165-.25-.75-.20
REFERENCES
QTY
PART NUMBER DESCRIPTION
J60
1
S19365-5
CONNECTOR,PCB,WW,MALE,RT-L,5-PIN
LED1, LED2, LED3, LED4, LED5, LED6 6
T13657-13
LED,T-1,3/4,RED,HIGH-INTENSITY,OVAL
R1, R2 2
S19400-7500
RESISTOR,MF,1/4W,750,1%
S1
1
T13381-16
SWITCH,PUSHBUTTON,SPST
REFER TO ELECTRONIC COMPONENT DATABASE FOR SPECIFICATIONS ON ITEMS LISTED BELOW
LED1LED2LED3
LED4LED5LED6
R1
R2
S1
J60
M19875-2
LED
S
EL
ECT
0
1.33
.18
1.15
0
.20
2.02 2.55
N.A.
N.D.
N.E.
N.A.
2N.B.
1
G-21
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