Just a thought here, but there are non Yaesu affiliated ham equipment repair services around. Most likely ham ops themselves. Depending on the resourcefulness and skill of these individuals there could well be a solution such as replacing the discrete transistors as components by them rather than being concerned about a board level replacement. I know many of us would be willing to take a stab at this ourselves, but others not so much.
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? ?I haven't personally seen what the board looks like, but superficially it seems like the board might be replicated. There are numerous small quantity board makers out there and only need the precise measurements and of course the circuit traces. As I understood it at the time when I was still working, they even had a way to work out the etching pattern on your computer screen. They? could be purchased individually of course, but? maybe someone could get some dozens of them made (the prices per piece go down with quantity) and be willing to supply them to the community at reasonable prices. They could be just bare boards, or could be finished products. ? ?Again, just thinking possibilities.? Joe N1KHB?
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