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TROUBLESHOOTING AND REPAIR
TYPICAL OUTPUT VOLTAGE WAVEFORM - MACHINE LOADED
AC STICK MODE
CAUTION
HIGH VOLTAGE / HIGH FREQUENCY can damage test equipment.
•Perform all voltage and waveform checks with high frequency circuit OFF.
•Perform High Frequency Disable Procedure.
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50 volts
0 volts
2ms
MACHINE LOADED TO 180 AMPS AT 26VDC.
This is the typical AC output voltage wave- form generated from a properly operating machine. Note that each vertical division represents 10 volts and that each horizontal division represents 2 milliseconds in time. The machine was loaded with a resistance grid bank. The grid load meters read 180 amps and 26VDC
Note: Scope probes connected at machine
output terminals: (+) probe to electrode,
SCOPE SETTINGS
Volts/Div | 50V/Div. |
Horizontal Sweep | 2 ms/Div. |
Coupling | DC |
Trigger | Internal |
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