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DIAGRAMS
G-6 G-6
WELDANPOWER 125
M17578 IDLER PC BOARD
R17
R16
R10
R7
R6
R1
R4
R9
R8
R5
R3
R14
C3
C7
C9
C11
C8
D6
DZ2
DZ1
D5
X1
CR1
TP1
R15
R13
R11
Q3
M17578-1
WP125
R18
C5
R12
C12
C13
DZ3
DZ4
D10
D11
D12
D13
Q4
R20
R22
R23
R24
R25
R26
R27
R28
R29
IDLER
C2
C6
Q2
C14
J1
J2
Q1
R30
R2
C1
D2
D4
D3
D1
D9
NOTE: Lincoln Electric assumes no responsibility for liabilities 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 provided for reference only. Lincoln Electric discour-
ages 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 dam-
age to the machine.