[TMC] GPR-90 what were those engineers thinking ???

[Tony Faiola]

On Feb 3, 2009, at 4:59 PM, Mark Foltarz wrote:

> I have a GPR 90 I am working on. The usual items were addressed -  
> caps, noisy swithces etc.
>
> The radio came nicely on the lower three bands. But bands 4 , 5 and  
> 6 are double conversion and they are dead
>
> Turns out  the second oscillator is dead. It is not the tube. I'm  
> pretty sure the crystal is shot for the oscillator.
>
> But what get me is the real poor design for the enclosure that  
> houses the second mixer, oscillator and buffer.
>
> It is a night mare to remove. I have no idea what they were  
> thinking when they  thought  up this poor arrangement.
>
> They must have thought it would never  go bad...    We did Mark!!!   
> Have fun.  Ciao, Tony, K3WX (ex W2GBS).
>
>
>
> de KA4JVY
>
> Mark
>
>
>
>
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