Switch lite game card reader/headphone jack not working

Hey fam, I’ve got a switch lite that doesn’t read game cards and the headphone jack doesn’t work. No error code but inserting a game card just reports “the game card cannot be read.” I’ve tried multiple gamecard/headphone assemblies with no joy. Is there a common power/data rail for both game card/headphone jack that I should be checking? Any help is much appreciated.