That sounds amazing Emma, So you would bypass the HD44350/351 controller. I am no expert but that seemed to be the snag in replacing the LCD as there are no datasheets for the controllers, so yeah a logic analyser is the only way to go, Rainer Buchty had some thoughts on the controllers: [www.buchty.net] Casiorama. A few of the older Akai samplers have had OLED replacement it would be amazing if that could happen for the FZ1
The display unit comprises three controllers, with a HD44350 being the main
controller and two HD44351 being line drivers. Looking into the user and service
manuals reveals the following:
