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"Horizontal Width Width Adjust" sounds like a bad translation of something. I can't see anything adjustable connected to it, so maybe it's a blanking pulse shaper that "adjusts" (changes) the pulse width to the desired waveform (?).
Edit: I note that RV504 is labeled HORIZ SIZE, not "WIDTH."
Next thing I would try is shorting L503 to see what happens.
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Old TV literature, New York World's Fair, and other miscellany
Last edited by old_tv_nut; 01-06-2025 at 05:09 PM.
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