2-battery 12c keyboard row quit


I have a 2-battery 12C (CNA00616171) that has almost an entire keyboard row that has quit working. This includes SST over to '-' but interstingly not R/S.

Anyone have any ideas on what the issue might be and if it is possible to fix? When I open it, the board is riverted to the chassis so I am hesitant to explore under for fear of wrecking it further.




I also have a 2-battery 12c; however, mine is completely unresponsive.


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