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Old 6th Aug 2022, 6:28 am   #9
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Join Date: May 2009
Location: Ryde, Isle of Wight, UK.
Posts: 301
Default Re: Thorn 3000 - flywheel test point

Originally Posted by 19Seventy7 View Post
Hi all

. The Thorn 1500 has a dead IF stage, looking like VT7 is faulty, but I digress.
Its a long time ago, but VT7 rings a bell

As for the uncontrollable brilliance etc, there's a set up procedure involving the set white switch and at least two presets, I think one is in the Frame Board, cant remember now once done they can produce a half decent picture, not sure if a Thorn New Life CRT is much of a positive They had a poor reputation back in the day.
As for the loss of Video, check the Decoder PCB, if it is fitted with the Thick Film Video out put module, they were notorious for intermittent faults, such as blank white raster, smearing etc etc.
Ken G6HZG.
Life is not Hollywood, life is Cricklewood.
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