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First make sure this is a transformer powered chassis where the power line is completely isolated from the chassis. If this is a series filament type unit you will need to use a different troubleshooting technique.
Check if there are any capacitors coupling the power line to the chassis...if so, I would remove them.
A good check would be to take an ohmmeter and measure between each of the power line prongs (unit unplugged) and the chassis. There should be no continuity at all. If there is, you have a leakage path, don't use the unit again till you fix it.
Last edited by Chad Hauris; 01-06-2007 at 06:39 PM.
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