[R-390] R-390 Woes

[Barry]

Adam,

I don't know what all might be causing those problems, but do have to admire anyone who can throw an R390,... well..., anywhere!

Barry - N4BUQ

> Hey guys,
> 
> I appreciate the pointers on my R-392, and now that it's buttoned up, it's
> time to work on my R-390. I only tested this briefly when I first got it,
> today I threw it up on the bench. Supposedly this was restored by Rick
> Mish, it is very clean (except the gear train, which has a lot of fresh
> grease...), and the front panel is pristine.
> 
> It does pull stations, but the volume is extremely low in AGC mode, and
> gets slightly louder when placed into MGC.
> 
> In MGC, with the BFO switched on, it plays at a normal (not super loud, but
> loud) volume.
> In AGC, with the BFO switched on, it hums, low volume audio.
> 
> The limiter seems to have no effect, and varying the BFO doesn't do
> anything at all no matter AGC/MGC.
> 
> I have Tom's solid state kit installed, and B+ at the AF deck test point is
> a steady 180.5vdc.
> 
> I am going to dig out the TM's later on, I have them somewhere...but maybe
> somebody here can help point me in the right direction.
> 
> Thanks!
> 
> Adam K2AAM
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