Normal Open Circuit Voltage Waveform (115 Vac Supply - Lincoln Electric RANGER 9 SVM 110-A Service Manual

F-37
NORMAL OPEN CIRCUIT VOLTAGE WAVEFORM (115VAC SUPPLY)
HIGH IDLE – NO LOAD – OUTPUT CONTROL AT MAXIMUM
RANGER 9
TROUBLESHOOTING & REPAIR
15.8 ms
50 volts
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
CH1
0 volts
5 ms
F-37
RANGER 9