[Hallicrafters] Re: Re: SX28

[Ken Kaplan]

I had a similar problem on a National NC-98. It was caused by an open 47k screen grid 
resistor. That resistor looked as good as new but it was open - I'm not even talking lots of 
megohms. Replacing the resistor made the receiver come alive.

Good luck & 73,
Ken kb7rgg

> Roger,
> The first RF stage sounds like the problem area. It is used only on the top 4 
> bands. Do you have a schematic?
> Frank W6LPU