[Hammarlund] HQ-120X no audio

[Jim Wilhite]

Check the Headphone Jack.  If the contacts are dirty, no speaker audio 
but you should hear it in headphones.  Is there some sort of jumper on 
an accessory plug?


Jim/W5JO

----- Original Message ----- 

> Hello,
>
> I just purchased a "restored" HQ-120X. Cosmetically, the case, panel,
> chassis, etc, looks like it was just manufactured. The electrolytic
> capacitors have all been replaced, and so has a great deal of the 
> wiring.
> However, there is no audio output. I do not have a schematic right 
> now. The
> radio appears to tune, as I can tune to a known station and see the S 
> meter
> deflection, but it appears that there's nothing on the audio stage. I
> removed all the tubes and tested them, with no issues. I don't have a 
> VTVM
> anymore to go poking around, so does someone have a schematic they 
> could
> email me, or possibly give me an idea which components that may be 
> "known"
> to go bad in the audio stage?
>
> Thanks,
> Darryl