Thread: Television 1960s 23" Weltblick 511TR
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  #13  
Old 02-17-2015, 08:53 PM
old_coot88 old_coot88 is offline
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Join Date: Sep 2009
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Have you substituted the HV (EHT) rectifier tube? It is the most frequent cause of blooming.

Even if it tests 'good' on a tester, it can still fail in operation. The only valid test is subbing with a known good tube.
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