Typical Output Voltage Waveform - Machine Loaded - Lincoln Electric SVM189-B Service Manual

F-23

TYPICAL OUTPUT VOLTAGE WAVEFORM - MACHINE LOADED

10Volts
TROUBLESHOOTING & REPAIR
This is the typical auxiliary output volt-
age generated from a properly operat-
ing machine. Note that each vertical
division represents 50 volts and that
each horizontal division represents 5
milliseconds in time.
Note: Scope probes connected at
machine output terminals. Positive
probe to (=) terminal, negative probe
to (-) terminal.
SCOPE SETTINGS
Volts/Div.....................10V/Div.
Horizontal Sweep ...20 ms/Div.
Coupling.............................DC
Trigger.........................Internal
COMPACT WIRE WELDERS
F-23
C1
0 volts
20ms