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Digital Piano producing static noise #2457494
09/07/15 06:07 AM
09/07/15 06:07 AM
Joined: Mar 2011
Posts: 19
J
Jakers Offline OP
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Jakers  Offline OP
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J

Joined: Mar 2011
Posts: 19
Since about three weeks ago, my Roland HP-3e digital piano has started producing this horrible white noise static. I hoped it would be the speakers, however when plugging in headphones, I hear the same noise which makes playing really frustrating.. any advice?

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Re: Digital Piano producing static noise [Re: Jakers] #2457506
09/07/15 08:11 AM
09/07/15 08:11 AM
Joined: Jan 2014
Posts: 283
S
stamkorg Offline
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stamkorg  Offline
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Joined: Jan 2014
Posts: 283
Hello,

Are you sure this noise wasn't there before?
When you plug your headphones, you still hear the noise... but where? in your headphones or thru the speakers?
Does the noise increase/decrease with the volume level?
Can you rate the intensity of this noise on a scale from 1 to 10?

Re: Digital Piano producing static noise [Re: Jakers] #2457512
09/07/15 08:51 AM
09/07/15 08:51 AM
Joined: Apr 2007
Posts: 16,390
Boynton Beach, FL
Morodiene Offline
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Morodiene  Offline
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Boynton Beach, FL
Is it possible you were plugged in somewhere else before this sound started being produced, or have you plugged in something on the same circuit recently that may cause interference, such as a fluorescent light?

Try plugging into an outlet that you know is on a different circuit for troubleshooting - it doesn't have to be a permanent place for it, but that will help narrow down whether it's a problem with the DP or the circuit itself.


private piano/voice teacher FT

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Re: Digital Piano producing static noise [Re: stamkorg] #2457577
09/07/15 12:23 PM
09/07/15 12:23 PM
Joined: Mar 2011
Posts: 19
J
Jakers Offline OP
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Jakers  Offline OP
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J

Joined: Mar 2011
Posts: 19
Originally Posted by stamkorg
Hello,

Are you sure this noise wasn't there before?
When you plug your headphones, you still hear the noise... but where? in your headphones or thru the speakers?
Does the noise increase/decrease with the volume level?
Can you rate the intensity of this noise on a scale from 1 to 10?


The noise was never there before, I've had the piano 2-3 years.

When I plug in the headphones, the sound then plays through the headphones and stops coming out the speakers.

The noise does not increase/decrease with volume level.

The intensity of this noise I would say was about a 7, however it seems to have a mind of its own and can fade to about a 3 temporarily - still somewhat distracting when playing, hard to concentrate properly.

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Re: Digital Piano producing static noise [Re: Morodiene] #2457578
09/07/15 12:24 PM
09/07/15 12:24 PM
Joined: Mar 2011
Posts: 19
J
Jakers Offline OP
Junior Member
Jakers  Offline OP
Junior Member
J

Joined: Mar 2011
Posts: 19
Originally Posted by Morodiene
Is it possible you were plugged in somewhere else before this sound started being produced, or have you plugged in something on the same circuit recently that may cause interference, such as a fluorescent light?

Try plugging into an outlet that you know is on a different circuit for troubleshooting - it doesn't have to be a permanent place for it, but that will help narrow down whether it's a problem with the DP or the circuit itself.


I haven't changed anything to do with the inputs or outputs, the sound just suddenly started one day and I can't recall the source or the reasoning behind it - at the time I was convinced it was a problem with the headphones wire, however the static plays from the speakers when no headphones are connected, I have also used another pair of headphones to test it and the problem is consistent.

Re: Digital Piano producing static noise [Re: Jakers] #2457579
09/07/15 12:31 PM
09/07/15 12:31 PM
Joined: Jan 2014
Posts: 283
S
stamkorg Offline
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stamkorg  Offline
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Joined: Jan 2014
Posts: 283
That's not normal, contact your dealer.
Good luck
SK

Re: Digital Piano producing static noise [Re: Jakers] #2457654
09/07/15 05:23 PM
09/07/15 05:23 PM
Joined: May 2013
Posts: 1,951
Scotland
Beemer Offline
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Beemer  Offline
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Joined: May 2013
Posts: 1,951
Scotland
It would be useful if you posted a link to a recording of the noise.

Ian


I'm all keyed up
2016 Bl├╝thner Model A
Re: Digital Piano producing static noise [Re: Jakers] #2457658
09/07/15 05:29 PM
09/07/15 05:29 PM
Joined: Nov 2009
Posts: 3,198
UK
S
spanishbuddha Offline
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spanishbuddha  Offline
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Joined: Nov 2009
Posts: 3,198
UK
Are you trained in electronics? Probably a capacitor or dry joint or ...

Re: Digital Piano producing static noise [Re: spanishbuddha] #2457702
09/07/15 07:51 PM
09/07/15 07:51 PM
Joined: Dec 2012
Posts: 4,498
Richmond, BC, Canada
C
Charles Cohen Online content
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Charles Cohen  Online Content
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C

Joined: Dec 2012
Posts: 4,498
Richmond, BC, Canada
Originally Posted by spanishbuddha
Are you trained in electronics? Probably a capacitor or dry joint or ...


+1.

If it doesn't change when you move the "Volume" control, it's probably somewhere in the power supply or power amplifier circuitry.

If you don't know what you're doing, get a service person to look at it. That probably means opening the case . . .

. Charles


. Charles
---------------------------
PX-350 / microKorg XL+ / Pianoteq / Lounge Lizard / Korg Wavedrum / EV ZXA1 speaker
Re: Digital Piano producing static noise [Re: Jakers] #2457913
09/08/15 02:38 PM
09/08/15 02:38 PM
Joined: Mar 2011
Posts: 19
J
Jakers Offline OP
Junior Member
Jakers  Offline OP
Junior Member
J

Joined: Mar 2011
Posts: 19
Thank you all for the advice, I'm going to message Roland and see what they say

Re: Digital Piano producing static noise [Re: Jakers] #2459913
09/14/15 11:19 PM
09/14/15 11:19 PM
Joined: Aug 2015
Posts: 28
Waterloo, Ontario, Canada
S
Sandbo Offline
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Sandbo  Offline
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Joined: Aug 2015
Posts: 28
Waterloo, Ontario, Canada
Just curious, is that noise really white, or more like a low pitch 50/60Hz noise?
The latter case indicates a ground-loop issue, which is something not from the piano.

In my case it unfortunately presents when I use a low impedance earphone; by switching to a high impedance headphone it is virtually gone, thought it should still exists.


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