Question about Roland Music
Nothing so far. I do not want to damage anything. I just want to clean the insides of the instrument.
George, I would recommend getting a tech to do this one- a Roland is an expensive instrument, and I would seriously rather someone else was to blame if something happened! :)
Posted on Nov 27, 2014
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Posted on Jan 02, 2017
You may need to clean the contacts which are usually conductive rubber. I explained stuff for another Roland problem with two keys that were intermittent. I have an EP-7 that I had to do the cleaning of the key contacts. Use 91 or 99 % Isoprophyl alcohol to clean BOTH the conductive "pill" (Black under silicone rubber domes) AND the traces on the board where they press. Clean gently as the traces have a hard black coating.
Posted on Jul 29, 2009
It sounds as if the membrane under the key needs to be replaced. It can be done with some careful work yourself but you might want to consider having it serviced by a Roland dealer as apparently the parts are becoming scarce. Hope this helps.
Posted on Aug 20, 2009
The ROLAND pianos USUALLY require that you use a normally closed sustain pedal.
MANY pedals are the opposite and close when pressed. SOMETIMES you can open the pedal and reverse the way the switch works.
Posted on Oct 06, 2009
SOURCE: Roland KR-5500 digital piano
Unless you are skilled at electronics troubleshooting, you would probably be better off taking it in to be repaired. It might be the power transformer or a filter capacitor or a number of other things. The problem may not even be visible. You will definitely need a schematic and some test equipment. Try this site:http://www.vintageplanet.nl/ or this site:http://www.rangeraudio.com/stock16.htm
Posted on Oct 18, 2009
White spirit is NOT what you should use. Mineral spirit leaves a residue film.
Use 99% isoprophyl alcohol.
ALSO inspect the contactboard for cracks by candeling with bright light behind it.
Posted on Nov 01, 2009
Testimonial: "bur isnt it strange that certain keys have stopped working? ie most the A keys"
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