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G-23
PC Board Assembly - Protection - Codes 10151 - 11092 - (L7915)
R1
R2
C5
C6
O C I 1
O C I 2
D3
D8
B 5 1
R23
R24
R25
R29
R31
R30
B 5
R4
R5
R8
R27
R6
R35
R37
B 5 3
B 1 4
O C I 3
O C I 4
J 1 5
R34
R36
C3
C4
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 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.
ELECTRICAL DIAGRAMS
R12
R26
R21
R 2 0
R14
X1
D6
R22
R32
R28
R19
R18
C 2
D Z 1
R16
X 2
D7
G-23
INVERTEC STT & STT II
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Troubleshooting
