VT100 PSU smelling.

Peter Coghlan cctalk at beyondthepale.ie
Fri Jan 22 17:32:52 CST 2016

> R27 is part of the snubber network on the primary side of this forward-type
> SMPS PSU. But why it it getting so hot. Is it normal? I have completely
> forgotten how a VT100 smell when running...

Snubber as in a resistor in series with a capacitor across the primary?

If so check the capacitor for leakage (electrical, not liquid) or being shorted.

Peter Coghlan.

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