Quote:
Originally Posted by rojoknox
Greetings from FixitLand!
The 17LP4 CRTs in the Motorola 17F13 combo set I had some 35 years ago, and in the Zenith K1846R I have now, both have (had) brownish, roundish patches at screen center. Is this not the ion burn we're discussing?
Take care,
--
J. E. Knox 'The Victor Freak'
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if the patch has a non-distinct very gradual edge, it is surely ion burn, since the ions are not focussed like the electron beam.