[R-390] Distortion

[David Wise]

Roy mentioned tubes and IF gain.  I'll add C551,
the AGC filter cap.  It's frequently leaky.
If the problem clears up when you switch AGC
to FAST, that's it for sure.  If it gets better
but doesn't go away, check C548 too.

73,
Dave Wise (SWL, Portland OR)

> From: K2LNU [mailto:wgittere@buffnet.net]
>=20
> Hello R-390A Fans,
> Can anyone tell me a probable cause for an R-390A going into=20
> distortion when
> the RF gain is turned up above 5?  Any ideas are greatly appreciated.
> Bill K2LNU