Quote:
Originally Posted by Console User
Would the issue with the tuner have anything to do with me getting a Blue Outline around dark hairline, dark clothing, etc. on the edges? It's like if you were to take a blue marker and trace around an object that is dark with a blue marker. Also, noticeable on black stenciled letters on a certain background. I believe, someone thought this may be a convergence issue and that they were always this way. I have had several RCA Sets but never dealt with this issue in the past.
Thanks.
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If you can take a real good picture of what you're talking about, I can get a better idea.
Those RCAs were built for cost, but I have to tell you, design wise they were very well sorted. There were no "that's just the way they are" performance issues. Even when put behind a 35" tube, they produced a very nice artifact free picture.
As far as convergence, all RCAs of that era used a pre-yammed yoke and a flexible magnetic convergence/purity band in place of the mechanical beam bender that everyone else used, and I can state categorically that in the thousands of those I had repaired over the years, I never had a convergence issue on any of them.
Generally, a blue outline is a weak CRT, but the halo would not be static: it would change and flare outward with contrast and brightness level. If you see the halo at very low brightness levels, I would say it's not a weak tube.
If the tube is strong, I'd lean towards a bad jungle IC causing that. Uncommon but I've seen them. I can't think of anything in the eeprom that would cause that.
John