Quote:
Originally Posted by Penthode
It could be the pulse is picked up by the antenna. If you switch the rf modulator to another channel, does the line go away?
Look at the sync pulses of the set top box. If you try another set top box, does that remove or subdue the line?
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Switching the channel provides no improvement nor does switching the box as I have run it through both my S-VHS player and Betamax player, both exhibit the same issue.
Quote:
Originally Posted by Penthode
As to experiment to remove it, I might try wrapping a few turns of one end of an insulated wire around one of wires leading to the horizontal deflection coil leads and connecting the other to the CRT grid. This would effectively couple the retrace pulse to the grid to cutoff the tube. This may take a bit of experimentation and polarity is important so you would have to try each lead.
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This will take some looking into as I have not experimented much with what you suggest. By the CRT Grid, are you referring to the control grid portion of the CRT?