[R-390] sp-600-jx-17

[blw]

> In a message dated 01/07/02 7:48:55 PM, tgrieco@optonline.net writes:
> 
> << Recently purchased this unit and seems to be drifting. I do not leave it on
> 24/7. How long should it take to stabilize from off? Any particular tubes
> that may need looking at?
> Tim
> k1syn >>
> 
> Try replacing the OA2 voltage regulator tube, a weak one will cause drift.
> Also, look at the bottom of the power supply transformer, if your voltage is
> over 117 volts, I would suggest moving it to the 139 volt tap.
> 
> Les Locklear



Mine stopped most drift when you told me that a while back. Then, it started
drifting when the BFO was used. It did that for a month and then stopped
drifting for some reason. I usually turn it on early and let it warm up with
CW selected when I think I'm going to use it.


Barry