Music - Page 8 - Recent Questions, Troubleshooting & Support

Well looks like you have a capacitors problem. I had this problem too and a friend soldered two new capacitors in place. You can find information on the korg forum but most important is to know where the capacitors are located

Korg M50 61-Key... | Answered on May 05, 2018

Search elsewhere using as FIXYA doesn't appraise items.


Music | Answered on May 05, 2018

yes, take it back to the store and ask them why it is blowing fuses at power-on.

Kustom Music | Answered on May 05, 2018

Hello, Magda -

Only an authorized Yamaha digital piano (Clarinova) service technician can answer your question regarding a chance of repairing your piano.

If you have not already done so, you can locate an authorized service technician here:

Best wishes.

Yamaha Music | Answered on May 03, 2018

Return it under warranty. Depending on whee you bought some vendors provide a 2 year warranty at no charge.

Marshall Music | Answered on May 02, 2018

Yes it is :>)

Gibson Music | Answered on May 02, 2018

What your amp is doing is going into protection mode. The Class D amplifier topology uses a Pulse width modulation scheme which allows the audio to be modulated onto a generated square wave or pulse train. This is then sent through the MOSFET Driver and then to the High Power MOSFETs that drive the load. The square wave with modulated audio is then filtered by a low pass filter and you are left with your audio. This is great because of the very high efficiency. The downside is that there are more links in the chain to fail. In your case it sounds like one or both of your power MOSFETs are bad and are causing the watchdog circuit to send a shutdown signal to the switching power supply, this is why it is turning off. It is a safety feature to prevent catastrophic failure of the board. (ie. burning the PCB to a crisp) A technician experienced in PCB level troubleshooting shoot be able to repair this for you. Let me know if you need anything good luck.

Behringer Music | Answered on May 01, 2018

I don't see that model, I see a 500 and there is a 2000 but no 5000. The 500 piano is about 400 dollars. Make sure it has no issues with dead keys. The 2000 model is about 1400 dollars.

Roland Music | Answered on Apr 30, 2018

Jacob Brothers from 1921 according to the link shown:


I have a Jacob Brothers piano model number 57866 but I can't find any infor... by Guest 5 days ago
I have a Jacob Brothers piano model number 57866 but I can't find any infor... I have a Jacob Brothers piano model number 57866 but I can't find any information on it? Anyone know anything regarding this model?
Posted on Questions & Answers
4 days ago C. Anthony
Blogs: 48
Forum: 16,526
Votes: 420 What type of information do you want? you have the piano in front of you!
specifically what do you want to know?
the SN shows 1921 date.
Have you tuned it this year? If the piano will not hold tune to A=440hz, the value would be 0. However, I would think it would hold 440...but I may not.
Call your local piano technician to check it fully.

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The Music | Answered on Apr 29, 2018

Music | Answered on Apr 28, 2018

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Music | Answered on Apr 27, 2018

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