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Roland gw 7, there's a problem with my keyboard touch sensitivity, some keys gets louder than others

Some of the keys on my roland creates a loud sound when i'm playing

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 94 Answers

SOURCE: first start keyboard & on the screen only

TRY GIOVANIA.

Posted on Dec 22, 2010

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SOURCE: roland juno-d, keys are either too loud or too

Normally you have to clean the conductive rubber "pills" AND the circuit board traces they get pressed down on.

USE ONLY 99% isoprophyl alcohol on Q-Tips to do the cleaning and be gentle.

Use of other product like deoxit and other contact cleaners will wreck the contact material.

Posted on Jan 12, 2010

djlaplaya
  • 74 Answers

SOURCE: Where can I take my roland juno keyboard to be repaired lost soun

juno, lovely instrument, try the synthesizer repair centre in london

Posted on May 06, 2010

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SOURCE: Sir i have purchased Roland

Read pages starting with 49 in your user's manual.

You MUST format the USB flash in the GW-8 before it can be used. Formating in a computer MAY b e inadequate as sometimes the formats have special quirks.

Also pay attention to the MAXIMUM file name length... It is 16 characters MAX !!!!

Posted on Feb 16, 2011

  • 5603 Answers

SOURCE: Got a Roland GW-8. I've had

OK... It is literally impossible for the unit to "go out of tune" as it is crytal controlled... HOWEVER what is probablly happening is the PITCH BENDER is getting into the mix somehow.
If the centering on the pitch bend control is sticking or is loose, this would likely be the problem.
Do some tests with the pitch bender to see if you can detect either a mechanical or offset condition of the control.

Posted on Mar 11, 2011

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1 Answer

My casio px555r has eight consecutive notes which are twice as loud as all the other keys and not touch sensitive. It is the same for all the sounds. When I turn the sensitivity control to off, the...


Hi, There are two contacts for each key. one makes contact before the other, the time between the two determines the time the key takes to be depressed, hence the touch.
Usually the contacts need cleaning, but in this case as itis 8 notes it may be the common keyboard scanning matrix. The matrix is 8 x ..up to whatever so check the line/column connection, or the associated diode.
Usually this is an easy fix, just time consuming taking the instrument to bits.
Good Luck, Chris the Fader

Jun 03, 2014 | Casio Ctk 496 Electronic Keyboard with 61...

1 Answer

One key sounds louder than the others


Hi, This is very likely to be a dirty key contact.
If the loud key is not touch sensitive or by turning the touch off, if all the keys are the same volume then this points to a dirty key contact.
All the best, Chris the Fader.

Mar 08, 2014 | Casio Privia Keyboard Case

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Yamaha psr 295


Hi, This is probably due to worn rubber contacts. The sound is switched by pressing a key which in turns press a carbon contact on the PCB under the key. In time these wear out and need to be replaced.

Firstly open up the keyboard and locate the rubber contacts, check to see if each one is seated squarely, if they are not seat straight then this can create the problem you mention.

If all are OK then you will need to replace the strip which is causing a problem.

Spares are available from many sources including :

http://www.beckettsmusic.co.uk/shop/scripts/prodView.asp?idproduct=16049

Jul 20, 2013 | Yamaha PSR-295MS Portable 61-Key...

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Roland EP50 F sharp does'nt work.All other keys are fine


EP-50's are notorious for problems with either the 4.65 voltage feed to the velocity sensitive keys or failure of the small zenner diaodes. Each key has a pair fo split circles on the circuit board under it. When you hit the key you connect each side of the circles and the harder you hit the keys the quicker the circuits close the louder the sound. Problem is if the voltage to either circle fails, due to bad solder, scratch on circuit board, failed diaode then the sound disappears. The fix is simple if you are knowledgeable on solder on circuit boards, can use a multimeter and can dissassemble and reassemble the keyboard. If you have to take it to a repair shop it is probably not worth fixing as this is not one of the better Roland products

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2 Answers

I have roland gw 8 europian collection i nead change asian collection what ido??


Open Roland Website And Open The Download Tab(Page), Than Download The Asian Collection From Below List and Than Using Your USB Input Your Keyboard than After Write This All of Performance From Writeee Button.Try It.

Dec 13, 2011 | Roland GW8 Keyboard Arranger

1 Answer

I have a Yamaha PSR-S700. Recently, the touch sensitivity in one of the keys stopped working. Very little pressure applied would cause the note to sound as if the touch sensitivity was off completely. Now...


You MAY be confusing touch sensitivity with VELOCITY sensing. Touch sensitivity is PRESSURE put on AFTER the note sounds that causes modulation. VELOCITY is what is used for example to control the loudness of pianoo notes depending how fast they are struck. VELOCITY sensing is done by using TWO contacts at every key... one closes first. IF one of these gets dirty, FULL velocity will be sensed and it will be LOUD. The contacts can be cleaned using ONLY 99% isoprophyl alcohol and Qtips after MUCH disassembly of the keyboard. The contacts are conductive rubber pills in silicone rubber domes. Clean boththe contacts and the circuit traces they pres down onto.

Apr 02, 2011 | Yamaha PSR-S700 ARRANGER WORKSTATION...

1 Answer

Sir i have purchased Roland gw-8 keyboard in the usb port when i put any flash drive it power is shown but it doen't read and it gives message usb memory not ready sir please solve my problem?


Read pages starting with 49 in your user's manual.

You MUST format the USB flash in the GW-8 before it can be used. Formating in a computer MAY b e inadequate as sometimes the formats have special quirks.

Also pay attention to the MAXIMUM file name length... It is 16 characters MAX !!!!

Feb 16, 2011 | Roland GW8 Keyboard Arranger

1 Answer

Roland juno-d, keys are either too loud or too


Normally you have to clean the conductive rubber "pills" AND the circuit board traces they get pressed down on.

USE ONLY 99% isoprophyl alcohol on Q-Tips to do the cleaning and be gentle.

Use of other product like deoxit and other contact cleaners will wreck the contact material.

Jan 11, 2010 | Roland Juno-D

1 Answer

Roland keyboard


You need to clean the pcb and remove dried spillage residue

you could try wasking the rubber contacts but these may need to b ereaplaced.

Jun 28, 2017 | Music

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