tom wrote:

I've got an old tektronix type 515A oscilloscope that doesn't sweep all the
way across the screen, or display properly. The attached photo is of
120Volt, 60Hz, adjusted to show it most like it should be, clearly it's a
diseased device How difficult a task would it be to fix? Is it worth
anything as antique value?


Check the power supplies for open electrolytics or voltages that are
out of tolerance.

--
Beware of those who post from srvinet.com!

Michael A. Terrell
Central Florida