Hi there, I have this synth that is in good shape physically. Even the screen has a nice backlight still. However it's general behavior seems off and i'm wondering if maybe the EPROM could be the cause.
https://youtu.be/Zgur6XFLTiY
I made this video to see if anyone could verify. i can say it does make sounds, but it seems like programming was the part that's out of wack. the backup battery had been replaced as well so it's not a low voltage things.
EPROM fix would be so nice.
Trying to fix a sick Yamaha TX802
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part12studios
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