[R-390] Lost receive help....

[R. David Eagle]

Well,  I am sure glad this group exists and I am have never been happier to finally get my 390a up and running.  This last week I finally powered the rig up and had one of the simapert replacement regulators fail...most likely due to a bad ground connection through the tube shield and it it wiped out half of my receive now.  I ordered the one that is on ebay as a drop in replacement to try that one and it works great...BUT I have noticed that I have lost the ability to receive  below 8 mhz or 9mhz.  I can hear WWV on 10mhz beautifully.
Any ideas or help would be appreciated....again!
Thanks,
DaveKB8NNU