20 Most Recent Roland Cube-st Battery Powered Amp Cube Street Cubest - Page 4 Questions & Answers

This problem is on of overheating and will need to be taken in the repair shop to correct.

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See if you can determine where and get to the actual sticky spot. Often I have found that things like this are easy to clean or lubricate as soon as you see the actual place that is rubbing... Looks like it may be tricky to see the lever, but a mirror may help. clean it (even with "goof-off" or something) Then a little wd-40 (on a q-tip if you don't want to make a mess) or mineral oil will probably help. Good Luck

Well first off put it back where it was originally. if that doesn't fix it you've probabple blown the transformer in the power supply and it will needt o be replaced.

I don't see that model, I see a 500 and there is a 2000 but no 5000. The 500 piano is about 400 dollars. Make sure it has no issues with dead keys. The 2000 model is about 1400 dollars.

If it has capacitors they are going bad...You have to buy the same kind and solder the old ones out and new ones in

I.m looking for all the ROLAND JV-90 plastic push buttons.

Contact Roland directly http://shop.rolandus.com/home/contact/614.0.1.1 Roland USA 5100 S. Eastern Ave. Los Angeles, CA 90040 US Phone: 323-890-3700 Fax: 323-721-4875

seems to me this will need more than most people can do. tracking down the problem will require a lot of testing of transistors and such... but just maybe it's nothing more than a loose ground wire on the circuit that powers that side. Good luck.

Software, download the Owners Manual and get into it.

Nothing ? Or inverted ? If inverted, get into the menu. If NOTHING, probably the jack, you gotta open it and check if the solder to the board is good, that can screw up with handling. Luck..

Make sure there is not a switch that makes it output to external speakers.

Go to "YouTube" and type in "Roland FP8 piano repair"

If the PSU is a switch mode type it is clearly faulty but if it is a transformer type checking it open circuit or off-load will usually result in a significantly higher voltage than specified. In order to check the latter type it is necessary to first apply a load approximately equivalent to the device it would be powering if the device was working normally. Sorry I can't answer the rest of your question...

Get the manual from web site and it will tell you how to replace the battery.