Disklavier DKC-800/850 Adapter (PJP-PS02 Replacement)

Unlike full E3 systems, the DKC-800 and DKC-850 piggybacked upgrades are powered by external AC adapters, such as the PJP-PS02. The original Yamaha Disklavier E3 installations use the Disklavier’s power supply, but these piggybacked installations require their own source of power. I recently had a customer reach out to me using an aftermarket power adapter, … Read more

When (and How) to Delete Cookies on a Disklavier DKC-800 / E3

Are you having problems with stale cookies? I recently assisted a customer via email who was having trouble using his Disklavier Piano Radio. I discovered the solution on Kevin Busse’s website; he in turn learned the solution from Yamaha’s Noah Jolly. You can read more about Noah Jolly on his website, Ground Grown Circuits. The … Read more

Why Disklavier Floppy Drives Fail (And How to Back Up Disks)

Yamaha Disklavier floppy disk drives are a notorious point of failure. Yamaha Disklaviers used floppy disk drives that were quite excellent for their time: They had all-metal frames, precision stepper mechanisms, and reasonably tolerant analog read electronics. Thirty-odd years later, however, these mechanical drives are far past their life expectancies. If you have an older … Read more

Best USB Floppy Drives for Reading Yamaha Disklavier Floppy Disks

So you’ve decided to back up your Yamaha Disklavier floppy disks. And now you need a floppy disk drive that can read them! So what’s the best USB floppy disk drive for our purpose, and especially for reading those earlier, pesky 720 KB double-density (DD) variants used by early Disklaviers? This article explores various options, including … Read more

Choosing the Best Surge Protector for your Disklavier or Keyboard

Electronic keyboard instruments — especially Yamaha Disklaviers, Clavinovas, stage pianos, and organs — represent significant financial investments. Some of these instruments cost well over $50,000. I’ve had a few customers ask me about the best surge protector for their Disklavier or other instrument. My predecessor in keyboard repair here in Maine, Nick Orso, was so … Read more

How to Connect Your Yamaha Disklavier to Wi-Fi and the Internet

This article is an updated approach to connecting Yamaha Disklaviers to Wi-Fi. Previously, I used Powerline adapters to connect Disklaviers. In those cases, you weren’t technically connecting the Disklavier to Wi-Fi, but were instead bypassing the problem altogether by using the house’s wiring. However, I believe this updated approach is quite simple, somewhat less expensive, … Read more

PianoStream for Disklaviers: Streaming Upgrade for Older and Newer Disklaviers

If you own a Yamaha Disklavier Mark I, II, II XG, or Mark III, you’ve probably noticed that official upgrade paths are limited. The DKC-900 upgrade doesn’t support these models, and the DKC-850 — once a lifeline — has now been discontinued for years. But now, PianoStream can offer your older Disklavier renewed life! PianoStream … Read more

Software Downloads and Online Tools

I’ve been developing software to assist player piano and, in particular, Yamaha Disklavier owners with common problems. I independently develop all my software, and it’s currently in its early development phase. If you have any notes, please don’t hesitate to contact me and report bugs or request features. Online Tools Roland Power Adapter Lookup Trying … Read more

How to Use PSX (ESEQ Archive) Files for the Yamaha Disklavier

If you’ve downloaded music for a Disklavier Mark III or older model with a floppy drive, you might have downloaded a PSX file. If you have one of these files, hopefully this article can help you out! What Is a PSX File? For Yamaha MusicSoft, a PSX file is an archive format that contains the … Read more

Replacing your Blank LCD Screen in Earlier Disklaviers

A blank LCD screen can render your Yamaha MX100II Disklavier nearly unusable. You can replace these with brand-new LCD screens, which are still available. In the MX100II and DKC5R, this is Yamaha Part #VN635201. The screens are available on Yamaha 24×7, or for a bit cheaper on SynthParts. But the issue is often fixable with … Read more