Vintage Asylum

yamaha m80 LED display circuit board

68.229.179.184

jrobin0909

hello, if anyone is parting out a yamaha M-80, I need the LED display circuit board. PH landline 402 498 2773, can do PPAL. thank you.

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RE: yamaha m80 LED display circuit board - airtime 15:49:29 12/13/22 (0)
I looked at the schematic. Yamaha used individual LED's for that bar display. There is a controller chip IC562 TA751-2AP.

I did a search and couldn't find any. Maybe you can pull up more info by reading directly from the chip.
RE: yamaha m80 LED display circuit board - airtime 06:11:43 12/13/22 (0)
Those display boards are most likely still available from either Mouser of DigiKey.

Can you pull the LED module and see if there are any part numbers on it?

Also, are you sure it's the display? There's an IC chip that controls it. That could be the problem. Use the schematic and see if it's getting the correct voltage on the pins. If not, then it's the controller chip.

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