disklavier

Yamaha Disklavier Power Supplies: Diagnosing & Rebuilding

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Over the years, I’ve replaced the power supplies on most of the Mark II generation Disklaviers I’ve worked on. These second-generation Disklaviers are terrific instruments—until the original power supply quits. When it does, the piano either won’t turn on, whines loudly, or randomly shuts off after running for a short period of time. Note that … Read more

Can My HQ100 or MX100II Play MIDI Files?

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The MX100II (and its Japanese counterpart, the HQ100) is typically not able to play MIDI files off of floppy disks, using instead Yamaha’s proprietary ESEQ format. I have several articles on transferring your Disklavier floppy disks and converting MIDI files to ESEQ. However, when sourcing a compatibility table for Disklaviers, I had multiple indications the … Read more