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ELECTRICAL DIAGRAMS
G-5
PROCUT 55
PC BOARD ASSEMBLY-DISPLAY
CAD
Ch'ge. Sht. No.
NO.DR.
SCALE
DATE
CHK.
SUBJECT
SHT.
EQUIP.
SUP'S'D'G.
CLEVELAND, OHIO U. S. A.
THE LINCOLN ELECTRIC CO.
PRO-CUT 55
C.S./
5-6-97
10721-1
XE-UF
10-31-97D
1-9-98M
9-22-2000J
8-3-2001C
UNLESS OTHERWISE SPECIFIED TOLERANCE
ON 3 PLACE DECIMALS IS + .002
WITH PUBLISHED STANDARDS.
TYPE
NONE
ON 2 PLACE DECIMALS IS + .02
ON HOLE SIZES PER E-2056
ON ALL ANGLES IS + .5 OF A DEGREE
L
L
10721-1
t
MATERIAL TOLERANCE (" ") TO AGREE
CAPACITORS = MFD/VOLTS
INDUCTANCE = HENRYS
IDENTIFICATION
P.C. BOARD BLANKSEE BLANK
PART NO.
REQ'D
1
ITEM
1
COMPONENT SIDE
CIRCUITRY MULTIPLE
BLANK PART NO. L10721-A
MAKE FROM S19399
(MAKES 24 BOARDS)
CIRCUITRY MULTIPLE
OPPOSITE COMPONENT SIDE
NOTE: BLANK SHEARING TOLERANCE SEE P.C. BOARD ASSEMBLY
MANUFACTURED AS:
L10721-1A0
MAKE PER E1911
IDENTIFICATION CODE
NOTES:
DISPLAY P.C. BOARD AS'BLY.
J40
R
1
R
2
R
3
R
4
R
5
R
6
R
7
R
8
R
9
R
1
0
R
1
1
R
1
2
R
1
3
R14
R
1
5
R16
R17
R18
R19
R20
DZ1
C
5
C1
C2
C3
C
4
DISPLAY
L10721-1
LED2 LED8
LED9 LED5 LED6
LED7 LED4
LED3
LED1
Q1
Q4
Q2 Q3
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
R
R
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
d
D
bB
CC
CC
CC
CC
RA
DISPLAY
L10721-1
A
c CCC
CCCC
cCCC
CCCC
c CCCCCCC cCCCCCCCcCCCCCCC
c CCC
CCCC
cCCC
CCCC
cCCCCCCC
c CCC
BBb
BBb
BBb
BBb
LED9 LED6 LED5 LED3
LED8 LED7 LED4 LED2
LED1
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
R
R
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
d
D
bB
CC
CC
CC
CC
J40
RA
A
cCCC
CCCC
cCCC
CCCC
cCCCCCCCcCCCCCCCcCCCCCCC
cCCC
CCCC
cCCC
CCCC
cCCCCCCC
L10721-1
cCCC
BBb
BBb
BBb
BBb
DISPLAY
0
0
0
0
0
0
4.30
4.00
1.10
1.00
.20
1.40
C1,C2,C3,C4
C5
DZ1
LED1
LED2,LED7
LED3,LED6
LED4
LED5
LED9
LED8
Q1,Q2,Q3,Q4
R1,R5,R9,R13
R2,R6,R10,R14
R3,R4,R7,R8,R11,R12
R15,R16
R17
R18,R19
R20
4
1
1
1
2
2
1
1
1
1
4
4
4
6
2
1
2
S16668-4
S13490-25
T12702-27
2700pF/50
4.7/35
1N4740
M18875-1 LIGHT BAR,LED,YELLOW
M18875-5 LIGHT BAR,LED,RED
M18875-2 LIGHT BAR,LED,RED
M18875-6 LIGHT BAR,LED,YELLOW
M18875-3 LIGHT BAR,LED,YELLOW
M18875-7 LIGHT BAR,LED,GREEN
M18875-4 LIGHT BAR,LED,GREEN
T12704-68 2N4401
S19400-3321 3.32K 1/4W
S19400-6811 6.81K 1/4W
S19400-1000 100 1/4W
S19400-75R0 75 1/4W
S19400-8250 825 1/4W
S19400-2671 2.67K 1/4W
PART No.ITEM QTY. IDENTIFICATION
1 S19400-2430 243 1/4W
1.65~.04
4.50~.04
S19365-15
12
RIGHT ANGLE HEADER
N.B. DO NOT COAT VIEWING LENS WITH
ENCAPSULATION MATERIAL.
1
2
N.B.
(3 PLACES)
33 oz E2861 SEALANT
3
N.C.
N.C.
N.D.
N.C.
N.A. DO NOT COAT.
N.D. HEIGHT OF RTV AND COMPONENTS NOT TO EXCEED .36".
N.B.
N.B.
N.B.
N.B.
N.B.
N.B.
TEST PER E3733-D
ENCAPSULATE WITH E1844
N.C. COAT WITH ITEM 3 COMPONENT SIDE AFTER ENCAPSULATION.
N.F. COAT WITH ITEM 3 ALL TRACES AND SOLDER CONNECTIONS ON
NON-COMPONENT SIDE OF BOARD PRIOR TO ENCAPSUATION.
N.A.
G-5
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.