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Old 03-13-2012, 04:32 PM
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miniman82 miniman82 is offline
First Light: 1952-2011
 
Join Date: Jun 2009
Location: Great Mills, MD
Posts: 4,183
Quote:
Originally Posted by Pete Deksnis View Post
Something simple to check: Some CTC2 schematics incorrectly show the HO coupling cap [mounted above chassis next to the drive pot] as 0.01 uF, where the final design value is 0.0015 uF. That alone can cause an overdrive line if there's a 0.01 instead of the correct 0.0015 (or. of course, a 0.001 uF is good too).

You are the oracle, Pete! I was unaware of this, but I checked the chassis and it has the correct .0015uf in it. I could try a slightly weaker horizontal osc tube before making circuit changes, less output=less drive. If that doesn't work, I'll have to fool around with the parts.
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