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Yamaha Piano Keyborad YPP 50 has lost its sound. Any ideas to fix. Thank you

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Posted on Jan 02, 2017

hamhm
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SOURCE: keys not sounding as loud as others

Hi, BHOWDY.
Probably the best thing to do is call the Yamaha service center nearest you. I live in the Los Angeles area, and the Yamaha service center closest to me is in Buena Park. I called them on the phone and told them what the problem was, and they knew immediately what parts were needed and they shipped them out that same day.
The contacts that seem to wear out the fastest are the ones near the middle of the keyboard. On my CLP-170, it's the keys between middle C and the G above that -- probably no more then 4 or 5 keys. However, I ordered replacement contacts for all 88 keys because once you take the piano apart to replace the contacts, you may as well replace all of them.
Good luck, Howard

Posted on Sep 29, 2008

  • 63 Answers

SOURCE: Yamaha P-200 electric piano does not have any

Plug in your ear phones to see if you can hear the sound that way. If not you are experiencing some internal failure in your integrated amp output.

In that case you will need to get authorised service.

Posted on Oct 06, 2009

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On my new (2nd hand) Yamaha YPP-50 piano, the middle D key is slightly lowered and requires a lot of strength to get sound from it. I'm wondering if its possible to fix? Maybe without going to a Yamaha...


There is a narrow padding strip that runs under all the keys going across. It is made of a type of felt. It is worn or torn in that spot. If you are careful and have some mechanical skill at opening the unit, you will see it, it should be a pretty simple fix to glue the felt back (if torn) or even to glue a small piece of felt in that spot to raise the key, which will allow full movement again so it would feel pretty close to normal again.

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take it back, its still under warranty. That means the key has a contact problem in the circuit. you have to take it all apart, clean it, check the contacts....probably lint. You can try vaccumming it and it might fix the problem. I bought one too and it wasnt good

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Yamaha ypp 100 keyboard.No sound from G5 to C6 (inclusive). Everything else ok


You have lost one of the matrix strobe lines that scan the keyboard. Download the schematic for the YDP131 here... it will be close to your unit:

http://elektrotanya.com/yamaha_ydp-131_131c_sm.pdf/download.html

Scroll down to the "Get Manual" and click on it to download. On papge 85 of the PDF file you will see that note G5 to C6 has the common strobe line on connector C1 pin 4 as signal B13 which is the strobe for the notes in question. This is the single point of failure for those notes. Could be bad connection, broken circuit trace (happens) or something wrong with the driver. Parts are availablle for the board from Yamaha America in CA if the board is cracked. Do check for cable connector problem.

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1 Answer

I have a Yamaha ypp 100 keyboard that was sitting idle for awhile. When I turned it on and started to play there was no sound/an extremely faint sound from the speakers.


Try headphones... possibly the switch contacts on the headphone jack which disconnect the speaker when headpones are plugged in. If you can hear via the headphones, check the switch contacts. Also look for a loose cable.

Contacts can oxidize when idle for a long time.

Jan 17, 2011 | Yamaha Full-Size Keyboard

1 Answer

Yamaha P-200 electric piano does not have any


Plug in your ear phones to see if you can hear the sound that way. If not you are experiencing some internal failure in your integrated amp output.

In that case you will need to get authorised service.

Oct 06, 2009 | Yamaha Full-Size Keyboard

1 Answer

Yamaha P-120 Piano: Graded Hammer (NOT key) dysfunction?


My opinion is you should take the instrument to a yamaha authorized service center.. It's doubtful this will be user serviceable, particularly if the problem isn't on all the keys, and the service center will have access to the parts needed as well as more information from Yamaha than they will share with an end user.

Mar 15, 2017 | Yamaha Music

1 Answer

Keys not sounding as loud as others


Hi, BHOWDY.
Probably the best thing to do is call the Yamaha service center nearest you. I live in the Los Angeles area, and the Yamaha service center closest to me is in Buena Park. I called them on the phone and told them what the problem was, and they knew immediately what parts were needed and they shipped them out that same day.
The contacts that seem to wear out the fastest are the ones near the middle of the keyboard. On my CLP-170, it's the keys between middle C and the G above that -- probably no more then 4 or 5 keys. However, I ordered replacement contacts for all 88 keys because once you take the piano apart to replace the contacts, you may as well replace all of them.
Good luck, Howard

Sep 29, 2008 | Yamaha Full-Size Keyboard

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