Thread: 21zp4a crt sub
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Old 03-30-2025, 11:58 AM
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timmy timmy is offline
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Quote:
Originally Posted by old_tv_nut View Post
A bright center spot after turn off is normal for some sets. It depends on the relative rate of decay of the high voltage and the video output voltage. As long as the phosphor is not getting a dark spot burned in it, it's OK.
Is there a way to adjust the hv? The other post I said hv was 10.2 kv not correct , it is 12kv for a 21 inch tube I would think it should be up around 14-16 kv datasheet says typical.

Last edited by timmy; 03-30-2025 at 12:28 PM.
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