Quote:
Originally Posted by maxhifi
I had a few minutes free so I installed Penthode's modification. I'm going to call it a success, the black level seems consistent from bright to dark scenes, and the sync interaction is absolutely gone. I'd be curious what others think of it, if anyone wants to try with their TV. Modern program material like DVD video appears to have quite a high contrast range, which really exaggerates the issue caused by lack of DC restoration, I think this was a very worthwhile thing to do.
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Great!
I'm curious to know how much the voltage on the wiper of the brightness control (and on the 0.1 uf cap) changes between a bright scene and a dark/black one. To be clear, I mean with the brightness control set for normal operation and not moved. Is it still accessible for a quick check?
04-03-2020, 11:13 AM
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