Great job man, many kudos..
I have a donor non functioning unit sitting here presently that I had planned on disassembling for a post mortem just as you did, but have not cracked it open yet... hopefully I find the exact same issue with this one, which will go a long way to corroberate the failure,
I will take as many photos as possible also during the event, and share them here also.
I should have done this a month ago, but the weather has not co operated here in Ohio, till just recently...
Just out of curiosity, where there any stampings and part serial numbers you noticed on the assemblies, that we may use for future references, to identify the production date or code for documentation?
Thanks again,