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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-19
INVERTEC® V450-PRO
PC BOARD ASSEMBLY - LED POTENTIOMETER PC BOARD - (M19874)
M19874-2
INVERTER WELDERS
LED POT P.C. BOARD ASSEMBLY
1:1
M19874-1
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
CRM38610
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:
C
4/5/2007
REVISED NOTE N.B. AND ADDED NOTE N.E.
REVISED DETAIL GRAPHICS
C
HA
N
GE
DETAI
L:
M19874-2
RESIST
AN
CE
=
O
HMS
M19874-2C0
IDENTIFICATION CODE
ENCAPSULATE WITH E1844. (2 C OATS)
BRUSH COAT ACCEPTABLE
NOTES:
N.A. DO NOT COAT WITH ENCAPSULATION MATERIAL.
N.B. THERE MUST NOT BE MORE THAN A .010 GA P
BETWEEN SPACER & LED, OR BETWEEN SPACER
& P.C. BOARD. LEDS MUST B E PERPENDICULAR
WITH P.C. BOARD AFTER ALL O PERATIONS ARE
COMPLETE.
PART NO.
0
0
N.A.
N.C.
N.D.
2
N.B.
N.C. ENCAPS ULATE AROUND BASE OF COMPONENT
N.D. COAT EXTERNAL PINS WITH ENCAPSULATION MATERIAL.
N.E. ENCAP SULATE P.C. B OARD, SPACER AND LOWER HALF
OF LED.
N.C.
N.C.
SCHEMATIC REFERENCE: S25258-2C0
TEST PER E3964-MS
R1R2
R3
R4
R5
R6
R7
S1
J6
1
LED1
LED2
LED3
LED4
LED5
M19
87
4-2
L
ED/P
OT
5.35
1.90
ITEM (USED WITH)*
QTY
PART NUMBER DESCRIPTION
1 1 SEE BLANK INFO PC BOARD BLANK
2 (LED1, LED2, LED3, LED4, LED5)* 5
T15176
LED,SPACER,0.220 HIGH
REFERENCES
QTY
PART NUMBER DESCRIPTION
J61
1
S19365-15
CONNECTOR,PCB,WW,MALE,RT-L,15-PIN
LED1, LED2, LED3, LED4, LED5 5
T13657-13
LED,T-1,3/4,RED,HIGH-INTENSITY,OVAL
R1, R2 2
S19366-1
POT,SINGLE-TURN,0.5W,10K,10%,LINEAR
R3,R4,R5,R6,R7 5
S19400-2211
RESISTOR,MF,1/4W,2.21K,1%
S1
1
T13381-17
SWITCH,PUSHBUTTON,SPST,GREEN,W/BLACK EXTENDER
REFER TO ELECTRONIC COMPONENT DATABASE FOR SPECIFICATIONS ON ITEMS LISTED BELOW
P.C. B OARD BLANK INFORMATION
BUY COMPLETE AS M19874-C (2 LAYER BOARD PER E3 281).
(MAKES 18 BOARDS PER PAN EL. SEE ELECTRONIC FILE
FOR ADDITIONAL INFORMATION).
ALL COMPONENTS AND
M
ATERIALS USED IN THIS
ASSE
MB
LY ARE TO BE RoHS COMPLIANT PER E4253.
.88
1.80
MANUFACTURE AS:
MAKE PER E1911-ROHS
CATHODE
(SQUARE)
ANODE
(ROUND)
ENLARGED DETAIL
(LED ORIENTATION)
N.E.
G-19
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