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Joined: Mar 2012
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Hello everyone, this is my first time posting here as I am after a little bit of help with an issue that is gradually taking over my digital piano! I purchased a Casio Privia PX-735 about 6 months ago merely as a second piano to my upright, and something to practice on at night (with headphones) I also am an accompanist so I am always making rehearsal tracks for people and decided to go digital for this, however I recently have been using my upright again for recording due to an issue with my Casio which is growing worse! The first F# above middle C a couple months back made me jump as I was playing Pianissimo when suddenly this F# played as Fortissimo! And ever since then this notes velocity recognition has been temperamental- sometimes it works fine, and then sometimes it plays like a cheap keyboard with no velocity sensors! And it is getting pretty bad! And now, a couple months later after this F# started, the D and E directly below it have started this exact fault! This is a real issue for me as I cannot be handing people rehearsal CD's with notes blaring out all over the place! I'm not sure what could be wrong (I think perhaps the Casio is just not built to withstand Rachmaninoff and Volodos' Turkish March ) and it is covered by warranty (has a 5 year warranty) but I would just like to get some thoughts from here before I send it off to get repaired just in case it's something I can do myself...
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Joined: Jul 2012
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I reckon if you open her up. you can say "Goodbye" to your guarantee. . . . Don`t do it! It`s probably something minor.
"I am not a man. I am a free number" " "
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Joined: Aug 2012
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I'm with Peter - send it out and get it done right. It may just be some dust or something on the sensor but I wouldn't risk that warranty on a DIY project. Good luck and please let us know what the issue was and how long it takes. That's good info for us to know!
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There's a PX-350 on display in my local GC with exactly this issue. A couple of weeks ago when I played it, it was fine. Now, there's an F in the upper register that blares out at full volume. It is a little worrisome that this new action is having these contact problems so soon. It's probably very easy to fix, but a pain to have to send it away for repair. I hope you get yours fixed to your satisfaction, iMou354.
"you don't need to have been a rabbit in order to become a veterinarian"
mabraman, 2015
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I reckon if you open her up. you can say "Goodbye" to your guarantee. . . . Don`t do it! It`s probably something minor. Thanks for the warning! I figured this would be the case... There's a PX-350 on display in my local GC with exactly this issue. A couple of weeks ago when I played it, it was fine. Now, there's an F in the upper register that blares out at full volume. It is a little worrisome that this new action is having these contact problems so soon. It's probably very easy to fix, but a pain to have to send it away for repair. I hope you get yours fixed to your satisfaction, iMou354. Its actually somewhat comforting to read this :P Because I am yet to find a thread on any forum or a review or anything discussing this issue! Its good to know my Piano is not the only one doing this! But the fact a display model is doing this might mean its heavy use that is causing these problems? Perhaps the Casio really just isn't built to withstand heavy playing? And what annoys me is, is that it is relatively new! And even if it does get repaired, there is a good chance other notes (or even the same ones) will start having this problem, then it will just be a constant hassle of having to get it repaired! *sigh* And I cant fork out more money to get another DP from another brand as I am currently shopping for a baby grand! (I really am not a fan of the Yamaha GHS action all- I find it awful to play on, and the only DP's available in my budget at the time from Yamaha had the GHS action) I essentially chose this Casio for the action! I found it to have a heavier touch than all the other DP's in its price range (I prefer a firm touch!) Also my friend, a fellow piano teacher, suggested a Casio as she has had one for practicing at night and for students to warm up on if they are waiting for the student before them to finish their lesson, and she has had it for over 6 years and it is still going strong! (I believe it is a PS20?) So if it came to it, having to replace it later with a new DP, what are some suggestions of DP's I should try?
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Joined: Jul 2009
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Casio's are certainly built to handle it, that's why they have such a string warranty. Sorry about the trouble but you should contact Casio service and find out how they will get you fixed up.
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"...I'm not sure what could be wrong (I think perhaps the Casio is just not built to withstand Rachmaninoff and Volodos' Turkish March wink..."
Well, iMou354, I think you may have a point. There are sturdier boards, and you may be a more demanding player than the designers had in view for this model, at this price point. Even a well-made grand will require regular servicing under this kind of use. Casio has come a long way from the day when their keyboards were intended as toys for kids (though the MIDI implementation was surprisingly robust even back then--- when the little toy board I had was connected to a real board, all kinds of voices, control parameters, and a much wider key range came into view--- I actually loved that little Casio). But, still. Personally, I like the professional keyboards that Kawai makes for touch and durability. If you get a stage board, like the MP-10 or MP-6, or find a used one like MP-8ii, it may hold up better, and they cost less than the cabinet models made for home use. And, you should be able to connect the Casio and the new board via MIDI, and use the features and voices of both.
I agree that you should not open it up and try to service it yourself--- your warranty will be toast. The place you bought it should be able to help you arrange for warranty service.
It's a great improvement, that someone like Mike is available to answer questions and offer help, and the company seems to have its eye on greater things, better products, and customer satisfaction and loyalty. Back in the day, there was no such thing, and if something broke the only thing you could do was toss it. Or put it in your musical instrument museum. (Don't laugh; I have a buddy who has a little display of every camera he ever had--- it's something to see, and I wish I'd saved all mine.)
It sounds like your music business is doing well. If you keep it happening, you'll be able to move up the piano food chain--- I guess you'll pass a lot of us by in the end, on your way up.
Clef
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Thanks Mike! I contacted the dealer I bought it off- however I got it from a dealer through ebay (brand new) and to be honest I would rather deal with Casio directly, do you think it would make a difference whether I did it through Casio directly or the dealer I got it from? Thanks Jeff for your thoughts! Mmm, I would think that the 'work out' these keys would get with pieces I play on it would quickly wear out the touch sensitive pads... But doesn't the Casio use optical sensors or something? If I had to replace it I would rather replace it with a 'cabinet' style dp as opposed to a stage one... But I will keep my options open And yes! I am very happy with my music business as of now, and I look forward to the future
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My approx. 4 or 5 years old Casio Privia PX-735 was working fine all the time, but since 3 weeks I have the same Problem as described above. 2 keys are sometimes totally loud with max volume, even when playing them very soft. And then, after several usings of the same keys, they are working fine again. This situation is repeating during one played song maybe 3 times or so.
Do anybody have solved this problem? What is the basic cause for this? Could it be that there is some dust inside the reason, although the PX-735 is standing in a really clean living room?
Any help is appreciated!
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Joined: Dec 2012
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Take a look through another forum:
casiomusicforums.com
There may be a thread about this problem.
. Charles --------------------------- PX-350 / Roland Gaia / Pianoteq
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Joined: Sep 2007
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Beteiligter, welcome to the forum.
Yes, this does sound like some dust/dirt may be interfering with the keyboard action sensors. A technician should be able to clean/service the action for you. I would call the Casio distributor in your country for advice.
Kind regards, James x
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Joined: Jun 2016
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Hello, I will give feedback to my topic, which I have --- SOLVED --- now.
Remember the problem: "2 keys are sometimes totally loud with max volume, even when playing them very soft. And then, after several usings of the same keys, they are working fine again. This situation is repeating during one played song maybe 3 times or so."
To solve this problem, I changed all the rubber contacts of the keys inside. There are on the upper side and on the lower side 8 rubber contact strips each (one strip is shorter than the other seven). The costs for the strips were approx. below EUR 40,-.
But be aware, you should have experiance in doing small electrical and mechanical services. Without an Service Manual or a description how to disassamble the Casio PX-735, it will be very hard to do the correct disassambly-steps. Maybe you can find some help by Google-search or YouTube-Videos. I did the replacement very carefully and needed approx. 4 hours overall.
Best regards Beteiligter
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