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Old 9th Oct 2017, 4:24 pm   #106
OldTechFan96
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Join Date: Jul 2017
Location: Newcastle Upon Tyne, Tyne & Wear, UK.
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Default Re: Scopex 4D-25 Oscilloscope Repair Help

The scope has been on for two hours and the fault condition has still not triggered.

I found a 2.2uf 63V capacitor so I'll replace C408 and see what happens.

If I can get to scope to trigger the fault condition I'll remeasure the voltages on TR407.
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