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Old 29th Nov 2020, 1:52 am   #10
Dekatron
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Join Date: May 2009
Location: Linkoping, Sweden
Posts: 1,179
Default Re: VCM 163 problem while calibrating

While you are able to check the boards do measure all resistors and the electrolytic capacitors, replacing them as needed.

I've seen a lot of resistors on these boards increasing their resistance over the years (very few decreasing their resistance) and almost all of the electrolytic capacitors have dried out working more as a high ohms resistor than as a capacitor, some with cracked/dried seals.

However if you replace any resistors, and in some cases any electrolytic capacitors, you will have to re-calibrate the tester again.
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