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Old 11-03-2020, 09:24 PM
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dtvmcdonald dtvmcdonald is offline
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In some TVs, color won't work without horizontal because of a keyed color killer.
In early RCAs this biases off the color amp. I'm not sure about later ones. Look
at the bias on the chroma amp grid. You could make it work using a bias box or battery to override the color killer.

On my CT-100 I adjusted color with the yoke out of the set and connected up
so horizonatal worked.
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