ELECTRICAL DIAGRAMS
INVERTEC STT & STT II
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T
O
C
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T
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C
R
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T
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M
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r
T
O
C
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M
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T
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PC Board Assembly - Current Sense - All Codes - (M17591)
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.
G-27
G-27
C1
C2
C5
J18
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
X1
STT CURRENT SENSE
R13
R14
R15
R16
X3
C
4
C3
M
1
7
5
9
1
-[
]
X2
ITEM
REQ'D
PART NO.
DESCRIPTION
CAPACITORS = MFD/VOLTS
XX
XX
XX
XX
XX
XX
XXX
X
XXX
XXXX
X XX
XXX
X X
X X
X X
X X
XXX
X
X
X
X
X
X
X X X
X X
Q1
