Gotcha. I'll dig in as the opportunity arises.
No idea how to diode test. In or out of circuit. Will scan YT for video
I did while I had the board out they are replaced as pictured.
Curious if lifting R1 would allow the relay to close and...
Great, I'll check all the above as time permits but keep the thoughts coming.
To clarify, I fried the speaker because I did something stoopid by...
Brown and yellow wires on the relay board. Welded the coil on a test speaker.
This unit wouldn't come out of protection and I found big DC on R1 & L1. So looking into the service bulletins and inspecting the PS board sure...
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