Quote:
Originally Posted by Yamamaya42
I was told not to touch those mica caps when I did my FADA, as it would all but guarantee a IF alignment would be needed, but I did replace the 1500pf ones on the cathodes.
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They are coupling caps and should not significantly affect the alignment. After finding bad ones in several 630TS, and 721TS sets I started replacing them more aggressively.
Those 1500pF caps are ceramic and very reliable. I'm surprised you needed to replace them.