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Tom:
Very interesting analysis. One thing I discovered when I restored my set is the HV/Focus is a marginal design even with an original flyback. High brightness/contrast scenes can regularly cause the regulation to fail and focus to go out. At first I thought it was just my set but this was then confirmed by other owners to be normal. In order to provide a stable picture, the contrast and brightness need to be set lower than we are used to in modern sets. I do find it hard to believe that this is the way these sets were designed but it seems so.
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Tim
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11-20-2013, 12:14 AM
Hybrid Mode
