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Hickock OSC-4 oscilloscope troubleshooting.
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08-12-2018, 02:32 PM
Notimetolooz
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Join Date: Mar 2014
Location: Dallas, TX
Posts: 547
The electrolytics should be replaced next. Try control cleaning spay, some use WD-40, on the pots. You might want to not do this on the brightness and focus pots because they carry high voltage. Then check the resistor values.
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