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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
¤¤
PC BOARD ASSEMBLY - CONTACTOR - ABOVE CODE 10500 (L10863-1)
L10863-1
LN-25
CONTACTOR P.C. BOARD ASSEMBLY
1:
1
L967
0-1
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:
L10863-1
MATERIAL
DISPOS
ITI
ON:
APPROVAL
DATE:
PROJECT
NUMBER:
NA
C
RM3220
7
1
PA
GE
___
OF
___
1
ENGINE
ERING CONTROL
L
ED
MANUFACTURER:
No
DOC UME
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:
A
11/25/20
02
REVISE
D
COM
P
ON
E
NTS
AN
D
PA
RT N
UM
BERS AN
D
UPD
AT
E
D
GR
AP
HI
CS
CHANGE DET
AI
L:
S
O
L
ID
E
D
G
E
ITE
M
REQ'
D
PART NO.
IDENTIFICATION
N.B.
N.A.
N.B.
C1 1 S13490-107 5600/35V
C2 1 S16668-6 4700pF/5
0
C3 1 S13490-42 1.0/35
C4 1 S16668-7 820pF/50
C5 1 S13490-92 3300/5
0
C6,C7,C9,C15 4 S16668-5 .022/5
0
C8,C14 2 S16668-4 2700pF/5
0
C10 1 S16668-11 .1/5
0
C11 1 S13490-19 1.8/20
D1 1 T12705-29 DIOD
E
D2 1 T12199-2 1N4007
D3 1 T12705-59 DIODE 600V/3
A
D5,D6,D8,D9,D10,D11 6 T12199-1 1N4004
DZ1,DZ2 2 T12702-11 1N4745
A
J6 1 S18248-6 HEADER
J7 1 S18248-2T HEADER
J9 1 S18248-14 HEADER
Q2 1 T12704-55 TRANSISTOR
Q3,Q6 2 T12704-68 2N4401
Q4,Q7 2 T12704-69 2N4403
Q8 1 T12704-71 HEXFET TRANS. (SS)
R1 1 T14648-5 3.3K 5
W
R2 1 S19400-33R2 33.2 1/4
W
R3,R11,R29 3 S19400-1000 100 1/4W
R4,R24 2 S19400-1502 15K 1/4W
R5 1 S19400-1821 1.82K 1/4W
R6,R7,R9,R13,R25,R26,R28 8 S19400-2212 22.1K 1/4W
R3
6
R10,R27 2 S19400-5621 5.62K 1/4W
R12,R37 2 S19400-3321 3.32K 1/4W
R14 1 S19400-1003 100K 1/4
W
R15 1 S19400-5110 511 1/4W
R16 1 S19400-1002 10K 1/4W
R18 1 S19400-2671 2.67K 1/4W
R20 1 S19400-1503 150K 1/4
W
R21,R22 2 S19400-2801 2.8K 1/4
W
R23 1 S19400-2211 2.21K 1/4W
R30 1 T12300-85 7 WATTS, 2.7 OHM
S
X1,X2 2 S15128-10 IC,431,VOLTAGE REF
.
X4 1 S15018-9 CMOS MC14538B (SS)
Q5 1 T12704-87 TRANSISTOR,NMF (SS
)
R19 1 T12300-79 1 WATT 1 OHM 1% RESIS.
R31,R32 2 T13165-11 2.7 OHM, 5 WATT RESIS.
X3,X5 2 S15128-11 14 PIN QUAD COMP
.
Q1 1 T12704-56 5A.,1000V. TRANSISTO
R
C16 1 S16668-1 22pF/100
C17 1 S13490-39 18/1
5
R17 1 S19400-3921 3.92K 1/4W
R38,R39 2 S19400-1001 1K 1/4
W
N
.A.
D
O
NO
T
COA
T
W
IT
H
E
NCAPSULA
TIO
N MATER
IAL.
NOTE
S:
CA
UT
ION:
N
.B.
T
H
IS
DE
VI
C
E I
S
SUBJEC
T T
O
DAMAG
E
BY
ST
A
TI
C
ELECTRIC
IT
Y
.
S
E
E
E
2454
BEFOR
E
HAND
LI
N
G.
N.C
.
A
NCHOR CAPAC
ITO
R
S T
O
BOARD W
IT
H
.25
WID
E, .50 LO
NG
BEAD
O
F IT
EM
3
(2
PLACES)
FOR
PARTS
ORDER
S:
INCLUD
E
(1
) T14477P
RI
NT
MAK
E
PER
E1
911
MANUFACTURED
AS:
IDEN
T
IFICA
T
ION CODE
ENC
APS
ULATE
W
ITH E1
844
TEST
PE
R
E
274
7-K
L10863
-1C0
SCHEM
ATIC
R
EFE
RENC
E:
M19
06
5-1
C0
(.2
5)
0
(3.
25
)
3.50
±.0
4
0
(.5
5)
(3.
80
)
5.00
±.0
4
N.C.
1
2
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
L10863-1
LN-25 CONTACTOR
D3
X1
Q
1
R39
R38
C17
C16
C15
C6
R3
R2
R23
C10
C14
R10
R20
D2
R19
R11
DZ1
R30
D1
D10
D9
R29
Q
2
D6
D11
R1
C4
R18
D8
Q4
Q3
R7
R17
R16
R6
R15
R12
R13
C3
C8
R14
R9
R24
C9
R22
R21
D5
R4
R5
R37
R28
C7
C2
R27
R26
R25
R36
C11
R31
R32
X2
X5
X4
X3
Q5
DZ2
Q7
Q6
Q8
C5
+
-
C1
+
-
J7
J6
J9
P.C. BOARD BLANK INFORMATION
MAKE
FROM
S19399 (MA
KES
10
BOARDS PER PAN
EL
,
SEE
EL
E
CT
RONIC
FIL
E
FO
RADD
ITIO
N
AL
I
NFO
RM
AT
IO
N)
BLANK PART NUMBER L10863-C
CAPAC
ITO
R
S
= MFD
/V
OL
TS
INDU
CTA
NC
E =
HEN
RYS
DESCRIPTION
PART NO.
REQ'D
1
ITE
M
SEE
BLANK INFOR
MA
TI
ON
2
3
T1349
8-
22
E2
861
CON
TAC
T
OR P.C. BOARD
BLANK
1
JU
MPER PLUG
1
ADHESI
VE
N.A.
.03 oz.
G-19
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