@rvpiano where are you located? Maybe someone who might live close might volunteer to visit and help.
FWIW I am still able to tackle things like this when it happens. But I did just switch from a fairly complex set of components to a much simpler all in one integrated amp a Cambridge Evo 150 with the intent to downsize and simplify but retain sound I want spend my time with. Worked out well! They call newer devices that provide good sound in a more compact and manageable package future fi. That is where things are headed. The times they are a changing