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Old 09-18-2023, 02:10 PM
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DavGoodlin DavGoodlin is offline
Motorola Minion
 
Join Date: Aug 2011
Location: near Strasburg PA
Posts: 3,504
Never mind, the 12SN7 was the issue. I'm not used to tubes being bad, trying to look past something so simple, a recovering tube-jockey.

Not done yet, the vertical began to act up. If signal is removed off-channel, the raster collapses to a horizontal line.

Vertical hold is good but at end of range, then begins to roll upward. As size is reduced, hold locks in again. All caps have been changed...resistors?
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