Publicidad
G-12
MISCELLANEOUS PC BOARDS
C3
SCR3
LED1F
D12
D13
R17
TP1
R16
D15
R15
C1
D14
D11
C19
C17
D9
DZ1
SCR4
R5
D7
D6
J3
C22
Q2
Q1
C20
D4
R9
R8
R7
D5
R11
C7
LED1A
Q3
C11
R12
R19
R21
Q9
PROCEDURE BOARD
R11
R8
R5
BURNBACK
C1
C9
START
J8
J9
CRATER
WELD
J10
J11
J19
D8
D7
D6
D5
D10
B1
X2
D12
J18
FRAME
S1
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 avail-
able from Lincoln Electric. This information is provided 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.
POWER BOARD
ITEM
REQ'D
PART NO.
CAPACITORS = MFD/VOLTS
RESISTORES = OHMS
R2
C5
X1
Q2
C6
C7
Q1
R18
R14
C3
Y1
C2
ELECTRICAL DIAGRAMS
IDENTIFICATION
NA-5 LOGIC
L6242-2
LED 7B
R29
R12
C11
LED 7C
R10
C7
R32
C28
C29
C15
R5
R17
R4
X7
X6
R6
D16
C6
D27
D8
D15
C5
R19
R18
C4
Q9
R24
R55
R39
Q8
C25
R42
R33
C26
Q13
R57
R44
Q4
C33
Q3
R23
R61
C20
Q17
R28
R27
C22
R30
R60
Q5
LED 7K
LED 7G
C8
S1
S2
C6
C5
C4
C3
C2
C1
LOGIC BOARD
ITEM
C35
R47
R46
Q15
LED 7E
R49
C34
R13
D33
LED 7D
LED 7J
R38
D14
R50
R36
R59
R31
D30
D31
C2
R15
R34
X2
C16
C17
C18
C14
R40
C27
R54
Q11
X3
X4
X5
X1
R52
X8
Q10
C1
R1
C30
LED 7A
C31
Q18
R53
X9
Q2
LED 7H
C13
D3
D4
D7
C12
B2
B1
BYPASS BOARD
ITEM
REQ'D
PART NO.
G-12
REQ'D
PART NO.
IDENTIFICATION
DESCRIPTION
CAPACITORS = MFD/VOLTS
NA-5
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