20 Most Recent Roland CUBE Street Amp Combo Questions & Answers


What part of it got wet will determine the course of action.

If the whole unit were submerged, the unit may prove more time consuming to try to fix than to locate a used one. However, I have salvaged imersed laptops before. the procedure is not much different- make sure the unit is as dry as you can possibly make by blowing a fan on it for an extended period of time.- Days.

Once dried, use some contact cleaner on the jack contacts and interupts, any manual control and any switch.

You can then apply power. If nothing lights up, check and replace fuses as needed. Also check the power supply board for failed caps or rectifiers.

Once the power supply is known to be functional, systematically check the LCD display and the aspects of the amp that it controls. This board will be the most vulnerable and most likely to be the source of most issues you will encountr.

If the display survived intact, and amp does nto work, apply a signal to the inputs and trace the signal through the amp with a set of headphones set up with test prods. The problem will be where the signal stops.

Roland CUBE... | Answered on Oct 09, 2018


Hi, Quick Check. Very often the input socket which is soldered directly to the circuit board, will have a broken solder joint. This is common on a very large amount of equipment. Try waggling the plug about and seeing if the noise comes and goes.
Easy fix, re-solder joint. Permanent fix, connect socket to board with flying leads, or fix socket to board with hot glue or epoxy resin.
All the best, Chris the Fader.

Roland CUBE... | Answered on Sep 30, 2015


Most likely the acid ate the internal power supply, but if you can dis-assemble it and clean any trace of gunk with a toothbrush and electronic cleaner, including the fuse and it's contacts, maybe you'll get lucky.

Roland CUBE... | Answered on Jun 06, 2015


Do you have an owner's manual......first thing to try would be a factory reset...sometimes this will un-scramble the operating system and set it back to when it left the factory....contact Roland for an owner's manual if you don't have one....hopefully this helps..if not, then you will have to open it up.....

Roland Music | Answered on Oct 04, 2019


"It's dead, Jim."
Bones McCoy

Roland Music | Answered on Sep 30, 2019


The most likely problem would be wiring. By dropping it you loosened or disconnected a wire.

Roland Music | Answered on Sep 27, 2019


It's always possible the new battery had lost it's charge before it was installed. Check it with an ohm meter for it's voltage. Other than that, either the contacts in the battery holder may be in need of cleaning or the battery wasn't installed correctly.

Roland Music | Answered on Sep 27, 2019


did you check the fuses and if thats not it then the light may be burnt out.

Roland Music | Answered on Sep 27, 2019


there are spraycans of cleaner that u can buy to cure it. sounds like dirty pots like maybe your volume pot on your amp or the pots on the instruments your playing. get the cleaner ,spray in the pots and move them back and forth and thats it. my marshall amp was doing the same and that was my cure. i dont remember the name of it but phone long and mcquade or another store and ask. hope that helps ya.

Roland Music | Answered on Sep 27, 2019


Contact Roland..They have owners manuals on their site for download...

Roland Music | Answered on Sep 24, 2019


It's usually fine to leave solid state electronic equipment turned on. A small amount of heat is produced when powered up and it will usually help to prevent condensation inside the case if that's a problem. It's not normally needed unless it's in a damp and/or cold environment. A dehumidifier is possibly a better solution if you have a lot of moisture.

Roland Music | Answered on Aug 18, 2019

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