LG 50PG20 Series, Training Manual

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Plasma Spring 2009 50PG20
VS_DA Located on the Control Board just above the AUTO Gen Test Points
may be used as an external trigger source for locking the waveform on the Oscilloscope
To set the Oscilloscope up for External Trigger first connect a Scope Probe set on direct to the External Input Jack.
Next set the External Jack for AC Coupling either positive or negative slope, use the Trigger Menu on the Scope.
Finally you will need to set the Trigger Level press the Trigger View and set the level as indicated in the picture below.
External Triggering of the Oscilloscope allows for a Stable Display of both the Y and Z SUS Output Waveforms
regardless of how distorted the waveforms may be, allowing the wave shape and phasing to be easily examined.
Observing the Y and Z Observing the Y and Z SUS SUS Output Waveforms Output Waveforms
Trigger Level Adjust External Trigger Source
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