Dave,
The headphone audio amplifier and the speaker audio amplifier are
different ICs in the K3. I suspect that the speaker amplifier has failed.
I suggest that you contact Elecraft support.
If you are capable of SMD repair, they can tell you which IC to change.
If you are not able to work with SMD, it likely has to go to Watsonville.
In either case contact with support is the starting point for either
process. Get into the email queue right now, they have a lot of email
backlog to sort through on Mondays.
73,
Don W3FPR
On 8/6/2016 5:41 PM, David F. Reed wrote:
> My K3 has developed a problem... (used to work fine in this regard).
>
> When I plug external speakers (stereo) into the speaker out jack on
> the rear panel, I only get left channel audio.
> When I plug them instead into the rear headphone jack, I get both
> channels.
>
> This leads me to suspect that the audio amplifier has a right channel
> problem, or there is an issue with the jack.
>
> Any ideas on how difficult it is to fix, and what is involved?
>
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