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one last warning, WHENEVER hooking up test equipment, like scopes, vtvm,signal gens, anything, I check for a voltage at the test point connections, in this case the chassis and the grid. if you ever hook up a scope to a hot chassis radio or tv you remember not to forget checking the next time....
I also one time hooked up a DVD video out with out the cap to isolate (it was zero volts so not really needed) to the grid of the video tube... did I say grid, well I mistakenly hooked up to the PLATE of the video tube. Smoked my DVD player...
the cap prob would have saved it (not sure about that since it would still have gotten a good pulse) but the real save would have been if I had just check the connector for voltage before pluggin it into the DVD.
do all your setups with everything off, check the plugs/jacks/probles for voltage BEFORE hooking up to the equipment after powering up the set you are working on. just use a DMM on them and check for both ac and dc.
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