Yamaha P-120 Sticking Keys

by Christine
(Mission Viejo, CA)

Several keys on my Yamaha P-120 keyboard stick. How can I fix this?

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Apr 06, 2010
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Yamaha P 120 Sticking Keys
by: Alfred

Dear Christine: The following is what I consider to be "cosmetic" fixes. They may be permanent if you are lucky. Failing these suggestions, contact a qualified keyboard technician for more serious problems.
Underlay Pads:
Problems with “dead” or “sticky” keys (single key or octave-separated) not playing are typical symptoms of dirty or worn, or worn/uneven Nipples/Cones of Underlay Pads (under the keys) failing to make good contact with corresponding Trace points on the Mother PCB.

Before assuming my diagnosis is correct, give the perimeters of those keys short strong bursts of compressed air (can type), followed by a strong vacuuming around the perimeters of the offending keys. Follow with a light talcum powder dusting of the perimeter(s) using a dry water color brush. If these actions do not solve your problem, how much you "love" your unit may prompt you to seek the help of a QUALIFIED TECHNICIAN (Preferably Yamaha-authorized). Replacing Underlay Pads is not normally a DIY project. It is quite labor intensive and certainly not for a tinker with no experience.

I hope my suggestions work out. Thank you for contacting this Forum, and please let us know how you fare. We all will learn from your experience. Good luck.

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opening Yamaha p120 for service

by Mike
(NY)

I have a Yamaha p120 unit that has a intermittent power jack. I need to open the unit and remove the left side end cap where the jacks are. After removing all the bottom screws the left side plastic cover still seems attached ?? Any hints on getting this thing open, so the power jack can be resoldered.?? Thanks.

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Dec 12, 2009
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Yamaha P 120 Service
by: Alfred

Dear Mike: As it is apparent you have opened your unit and have the experience to repair the unit yourself, I would suggest you access Yamaha's main site and thread your way to their Customer Support Service for advice. They can also be reached directly FAX: (714) 527-5782
Phone: (714) 522-9000,Monday ? Friday, between 8:30am ? 5:00pm PST/PDT. I do not feel comfortable enough to comment on removal of the
end cap as described by you, except to advise you to use an anti-static wrist strap while navigating around the defective Jack. Keyboard circuits include static sensitive components and you don't want to add to your problem by unintentionally zapping one of them. Good luck.

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Yamaha P120 Aux Out jack problem?

Keyboard around 10 yrs old. Have trouble intermittently with static or cutting in and out when connected to amplification system. Patch cords determined to be ok. Is it possible that the jack itself is the problem? Can those be replaced? Where do you go for service in Wisconsin...I live in Madison. Thanks for any info you can offer!

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Jul 22, 2010
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reply
by: Anonymous

could be dirty inside jack

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yamaha p-120 keys some make sounds and some don't

How do you set or reprogram - I had same problem with it a couple of years ago and a repair man had me do something to reset or reprogram it. but don't remember what it was.

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Oct 26, 2009
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P 120 Silent Keys
by: Alfred

Dear Anonymous: Try turning the unit ON WHILE HOLDING DOWN THE WHITE KEY TO THE EXTREME RIGHT.
Post a follow up message to let the Forum members know if you are successful, and be sure to please identify yourself (First name) if I can assist you further.

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Sticking notes - Yamaha P120

by Philip Robinson
(Nottingham)

I have just bought a Yamaha P120 on ebay. It's great to play and I was using it in a concert last night and the D above middle C starting being very sluggish. This was not good as it made some of my playing uneven.

Is there anything I can do about this? I love the instrument and it's ideal, but not if this is going to be a permanent problem.

Thanks.

Philip

philipmusicman@googlemail.com




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Jul 04, 2009
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Re:Sticking notes - Yamaha P120
by: Anonymous

Call Yamaha Customer Service,give them
the serial #...if it's like mine,they will replace the keybed free! Something to do with the lubrication used in the factory degrades the plastic in the keys,makes them sticky,even breaking in some cases. I fought that problem for months before I learned about it. Good Luck!
Lemme know how it works out...

Jan 07, 2010
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STICKING NOTES ON THE P120
by: S. Ramirez

I also have a p120, there was a known problem with the actual keyboard that was common, if you contact yamaha they will get you the closest repair facility to you usually the keybor has to be replaced

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yamaha p-120, p-200, and p-85

by Ki
(California)

Which one is the best?

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Oct 13, 2010
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Re: yamaha p-120, p-200, and p-85
by: Anonymous

I'm not familiar with yamaha p-200 and p-85, but the p-120 would be a very good choice.

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Yamaha p120 preset song

what preset song is # 21 on the p 120

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Oct 13, 2010
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Re: Yamaha p120 preset song
by: Anonymous

The preset song #21 on the yamaha p120 is "Jägerlied op.19b3" from J.L.F.Mendelssohn. The complete listing of the preset songs should be on page 48 of the eng./germ./french./spanish manual.

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Demo Song Church Organ Yamaha P-120

by Jannik Brand
(Freiburg, Germany)

Can you please tell me where I can find the sheet music to the church organ demo song of my Yamaha P-120 Piano? Who is the Composer of these Songs?
Thank you. Jannik

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Feb 27, 2011
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Repair Problem
by: Sonny

I have a Yamaha PSR 3000 the LCD displays are doubling Its hard to read the display.But the problem is here in Yupanco Philippines youll have to wait for weeks or months to get it repaired and so expensive.And I need it repaired assap what will I do whats Yamaha doing about this??? poor customer

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p120 error message

by NorthRadley
(Kansas)

Anyone know where to get a list of error messages for the p120? I'm getting one that looks like HST...?
It happens when when using MIDI. Thanks!

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Oct 23, 2010
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p120 error message?
by: Anonymous

Have you set the host select switch to the right position?
I've found only one error message,"Scn": an internal malfunction has occured, contact your yamaha dealer.
I hope this is helpful.

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screw size for attaching L120 stand to Yamaha P120

by Stephen
(San Francisco, CA USA)

I am reassembling my Yamaha P120 after a move, and the screws for attaching the L120 stand have taken a hike. So . . . would any one out there know the thread size/bolt size for attaching the stand? (I do have the bolts for assembling it; I just need the size for the attachment bolts -- they are a smaller size than the assembly bolts).

I thank you in advance for your response.

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Mar 01, 2009
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Size M5
by: Anonymous

Hi! The bolts are of M5 size. I dont know how long they are since I dont have the original stand, I try to build my own. Good luck with finding the right length! / Marcus

Mar 01, 2009
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5 x 16 mm round head
by: Anonymous

Hi again!
5 x 16 mm round head, according to the L120 mounting instructions. / Marcus

Mar 13, 2010
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Thank you Marcus
by: Anonymous


Thanks, this is really helpful!

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Yamaha p-120 pedal is 'sticking', how to fix?

by Elizabeth Cole
(Marshfield, MA, USA)

I have had a Yamaha p-120 for at least 5 years. It is still in good condition but recently the sustain pedal has been 'sticking' (sustaining the note even after I lift it up.) I don't think it's getting stuck physically, it's sticking digitally if that makes sense? Or maybe it's getting stuck in some way that's not visible to me.

It sustains the note for at least 30 seconds after I release the pedal. It stops when I unplug the pedal and plug it back in or turn the keyboard off then back on. What's the problem and how would I fix this?

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Jan 18, 2011
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sustain
by: Dick Rector

Hi Elizabeth,

I would try to reset the keyboard first.
In general there are two ways to reset a keyboard.

1. Is what I call a mild reset and that deletes everything in the on-board flash-memory that wasn’t saved in user-area’s or on a flash-stick or so.
You can use that anytime and some people (like me) do this reset almost every time I power up my keyboard to make sure it is a ‘fresh’ start.
-Hold down the most (highest) right white key while powering up. This takes only a few seconds.
That’s all!

2. The second method is a different story.
It will bring your keyboard back to the status as it was when it came out of the box (unless something is really broken of course!)
This is a FACTORY reset and you should only perform this if the keyboard is really confused and acting strangely.
-Unplug the power for 10 seconds.
Hold down the same most right white key PLUS the nearest 3 black keys while powering up.
Keep in mind!!!!!
This action will delete EVERYTHING that is stored in User-Area’s, like your songs, home made voices, registrations etc. including the owners name (depending on the model). So make BACKUP’S first if still possible if you have some work saved.

You don’t have to worry about all the internal factory-styles and voices etc, these are stored in non-erasable memory and will be still there.

If this is not bringing your keyboard back to life as it should be, you need a qualified (preferable a Yamaha trained) repair-person.
In your case I would take the sustainpedal to a dealer and try it on another keyboard.

I hope it is something simple.
Dick

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Opening a Yamaha P 120

by John Ralphs
(UK)

What the trick in opening up the case on a P120 ? I am an experienced electronics engineer, so no warnings needed thanks. Just the best way to open the case.

Thanks

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Jun 28, 2010
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Opening the P 120
by: Alfred

Dear John:Please understand that we are not an arm of the Yamaha Corp. and have no access to Service Manuals which are the source for the info you seek. We use this Forum as a meeting place for enthusiasts who share comments/questions re electronic pianos/keyboards we own and play; our discussions generally revolving around minor actions related to electronic pianos/keyboard operation rather than anything technical.

It is of course possible that one of our members has opened a P 120, and hopefully come to your timely rescue, but this would only be by coincidence. In the event you want to purchase a Service manual, the following entity may be able to help…………………

Yamaha Music U.K. Ltd.
Sherbourne Drive, Tilbrook, Milton Keynes, MK7 8BL, U.K.
Tel: (44) 1908-366700 Fax: (44) 1908-368872


Good luck and thanks for your visit.

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what is the name of the #28 preset song on a p-120 keyboard?

i would love to know

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Sep 16, 2009
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#28 preset piece on yamaha p-120
by: Amy

It is Valse op.64-2 by Chopin. There is a list on pg. 48 of the manual =)

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Yamaha P120 Power Cord replacement

by Karen A. Hedden
(Freehold. NJ)

Where can I buy a P120 replacement Power cord?

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Feb 17, 2010
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Yamaha P 120 Power Cord
by: Alfred

Dear Karen: Through the Internet, access Yamaha.com and thread your way to their Parts Dept. It is more than likely they have the Power Cord you need. Please do not hesitate to come back to this Forum with comments or questions. You will always be welcome.

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how to open Yamaha P120 to access inside

by Vernon
(Wash DC)

How to open up the p120.

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Apr 02, 2010
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Opening Yamaha P 120
by: Alfred

Dear Vernon: Opening any keyboard may not necessarily be difficult, but repairing its innards is fraught with possibilities of worsening whatever defect(s)it may be having. Unless you are technically qualified, have the experience, the tools and the equipment to proceed, our recommendation is to have a keyboard repair specialist do the job. You can of course purchase a Service Manual directly from Yamaha (yamaha.com). Good luck.

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Yamaha P-120 MIDI on Macbook

by Edward
(Greenville, SC)

I'm trying to hook up my Yamaha P-120 to my Mac (using a MOTU UltraLite, Macbook is running OSX version 10.6.3) to use as a MIDI keyboard , but I can't seem to find the correct drivers anywhere (everything I've found has been for Windows). Do Mac drivers for this model of keyboard even exist and if so where can I find them?

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May 26, 2010
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drivers
by: Dick Rector

Hi Edward,

I don't use a Mac myself but for drivers you should go to:
www.global.yamaha.comp/download/index

Hopefully you can find the correct driver there.

Dick

Nov 23, 2013
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P120 midi and Mac
by: Anonymous

Macs are class compliant and you should not need drivers. Try the switch in both positions. Mac and Midi. One of them should work

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Yamaha P 120 sound cut off

I've had my Yamaha P120 for several years and use it often. In the last few days, the sound has suddenly been cutting out for about 2 or 3 seconds. As I play cocktail music and wedding ceremonies, this could be a serious problem. Any suggestions? Or any ideas as to what it could be?
There is a power pack between the piano and the plug. Do these, after time, have a power cutoff if the piano volume is too loud?

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Aug 27, 2009
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P 120 Cut Off
by: Alfred

If the Adaptor (Power Pack)is new, it lacks sufficient amperage and may cause your problem, especially in loud passages of music. If original, and is somewhat hot to the touch, it may need to be replaced by a new one with the same original specs (Input & Output). Hope this helps. Good luck.

Jan 07, 2010
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Yamah P120 sound cutoff
by: PianoStylist.com

I replaced the powerpack, generic from Hong Kong (same specs)but same problem exists, whether using an amplifier or not. I asked Yamaha corporate for a repair service that can to a diagnostic test. Anybody have a suggestion. I live in NYC.

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