Troubleshooting & repair – Lincoln Electric COMMANDER SVM145-B User Manual
Page 135
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TROUBLESHOOTING & REPAIR
F-79
F-79
COMMANDER 300
This is the typical auxiliary output
voltage generated from a properly
operating machine. Note that each
vertical division represents 50 volts
and that each horizontal division rep-
resents 5 milliseconds in time.
Note: Scope probes connected at
machine 115VAC receptacle.
SCOPE SETTINGS
Volts/Div.....................50V/Div.
Horizontal Sweep .....5 ms/Div.
Coupling.............................DC
Trigger.........................Internal
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115VAC SUPPLY)
HIGH IDLE – NO LOAD
0 volts
15.8 ms
50V
5ms
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