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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-20
COMMANDER 400
PC BOARD ASSEMBLY - METER PC BOARD
LED2 LED3 LED1
R31
R32 R33
R34
R35
R36
R37
R38
R39
DZ2
R40
R41
R42
D1
C9
C10
C11
R25
R26
R27
R28
C5
C6
X5
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R24
R17
R18
R19
R20
R21
R22
R23
R1
Q1
R2
R29
Q2
R30
DZ1
Q4
D2
C1
X1
X2
X3
X4
C2
C3
C4
C7
C8
Q3
COMMANDER 400 METERL9684-1
X6 Q5
J40
C12
ITEM REQ’D PART NO. IDENTIFICATION
CAPACITORS = MFD/VOLTS
RESISTORS = OHMS
L9684-1
9-27-96F
G-20
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