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Audio is on I/O board, SMC_LID is on I/O board, no green light could be because of a bad I/O board so for me is a I/O board problem, are you using the correct I/O board for this logic board??
Intel easy clean is for inject a new Clean ME region, the ME region included on the package are RAW versions, you should use Intel FIT to actually fit the ME region..
Just control the heat, if you apply to much heat in the top it will bent to the top, if you apply to much heat on the bottom it will bent to the bottom, just practice on another board...