[Elecraft] No speaker audio

G3SJJ g3sjj at btinternet.com
Sat Jan 13 03:09:49 EST 2007


I have the same fault here Kirk but not induced in the same way! Reading 
previous comments it seems like early component failure. I think the 
only way to fix it is replacement. I am currently using an external 
powered speaker until I get round to requesting a new component.

Chris G3SJJ


Kirk Brown wrote:
> I recently discovered that my external speaker fails to work after
> pulling out my headphones. I checked the resistance of the speaker and
> it reads 8 ohms, and the DC voltage across the plug (P5) is almost
> nothing. The DC voltage out of the audio amp U9 (Pin #6) reads 13
> volts. R35/36 should be ok because the headphones work fine.
>
> I think J2 is the problem and could be called a TIF (toddler induced
> failure). My son was sitting on my lap listening to "beeping" and he
> tugged on the headphone cord. Could this have damaged the  internal
> switch, keeping it stuck in headphone mode? Is there any way to fix
> this?
>
> 73,
>
> Kirk (KA2P)
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