I tried ALL permutations...  SPKR + PH, SPKR - PH, and the Tap 1 to do the SW+ and SW-...  Never left audio.

Just did a resistance comparison be W3FPR suggestion.... there is an open in the left channel circuit somewhere OR a bad driver.

Thanks and 73,

______________________
Clay Autery, KY5G
(318) 518-1389

On 24-Jul-18 17:05, Richard Wade wrote:
Do you have the config menu on your K3s item SPKR+PH set to YES or NO? When I set that config item to YES then the audio to the right headphone is muted and the speaker works.  With NO selected I have audio to both headphones and the speaker is muted.

I have this config setting set to M1 so that I can switch between speaker and headphones quickly.  If I am listening to speaker and want to go to headphones there is always audio to the left phone and quick touch of M! mutes the speaker and gives audio to both phones.

73,
Dick WM6G

On Tue, Jul 24, 2018 at 1:36 PM, Don Wilhelm <donw...@embarqmail.com <mailto:donw...@embarqmail.com>> wrote:

    Clay,


    On your K3S, did you try plugging into the rear phones jack?  You
    can do that without any  1/8 inch to 1/4 inch adapter.

    The resistance of each earpiece should be easy to check with your
    ohmmeter and be revealing if there is a cord problem. The left
    channel (tip) should compare with the right (ring) unless
    something is open or shorted.

    73,
    Don W3FPR

    On 7/24/2018 4:23 PM, Clay Autery wrote:

        Anyone ever had a ProSet two fail to deliver two channel
        output when everything is set up correctly (aka bad cable or
        failed R channel solder joint at one end or the other)?

        My Elmer has a set bought in April of this year and has never
        been able to get right channel.  I took it today to try on my
        K3s with known good setup for 2-channel into phones
        (Sennheiser HD598SE).

        Same problem on my radio...  no right channel.  Almost HAS to
        be 1) solder joint failure on one of the wires to the driver,
        2) a right channel (+) solder failure at the 1/8" TRS, 2)
        failed right driver. It's a non-coiled three cable-bonded
        cord...  so I am assuming 3 conductors with shields for ground


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