I replaced an Optrex DMF5005N LCD with an NHD-24064WG-ATMI-VZ# in a Yamaha SY99 synthesizer.
The main display pages work as expected.
However, when I enter the diagnostics pages, there are different characters/artifacts, and characters/artifacts where spaces should be, etc.
Because the main (i.e., non-diagnostics) pages display correctly, I am assuming the diagnostics display code is to blame.
What would cause this?
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