Nintendo switch, audio jack not working

Pickanick

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Hi all!
Im working on a Switch but im stuck at this (simple?) problem…
The audio jack is not working correctly, when i insert the headphone the audio continue to exit from the console, and the little audio icon remains on speaker mode.
I exluded a motherboard issue using another know good cartridge/jack doughterboard, and it seems all good and working.
I tried soldering a new connector jack with no results.
I desolder the little smd and, from left to right, they measure 0,9 / 0,9 / OL / 0,9 / 0,9 / 1,135Mohm, compared with the working one these values seems correct.
Im thinking the problem is hideing on this doughterboard, but i cant find it…
Can someone help me, please?
 

thesjaakspoiler

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Afaik, the switch uses a mechanical switch in the headphone jack to detect whether a headphone is inserted or not.
My guess is that somehow that signal is not reaching the connector on the motherboard.
With a multimeter you should be able to trace the signal.
Maybe also check if the daughterboard connector if doesn't have any missing/bent pins.
 
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