Question about Roland Cube-20x (20w 8" Modeling Guitar Amp)

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My roland cube xl20 no longer switches effects when I turn the effects dial. It is stuck in overdrive. An ideas how to fix?

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Posted on Jan 02, 2017

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SOURCE: My Roland Cube 20x Amp

If you take your speaker out you can see if it has blown the internal fuse if not it could be the exernal fuse the power adaptor

Posted on Aug 12, 2011

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2 Answers

Roland street cube won't power on due to battery acid leak


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.

Nov 07, 2014 | Roland CUBE Street Amp Combo

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My roland cube street starts making this really weird loud noise


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.

Mar 23, 2013 | Roland CUBE Street Amp Combo

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Headphone output safety warnings on guitar effects


There is a small chance it "could" but more likely you would just overdrive the input stage to clipping.

You can try it- you need to keep the viltage input to the amp at 1 volt peak to peak or less, or you run the risk of clipping. You should use shielded cable, as you may also pick up other noise along that cable.

Mar 28, 2012 | Roland Boss Gt-10 Guitar Effects Processor...

1 Answer

Roland Micro Cube Amp fuse blew out. How do you fix it?


have a look here:
http://www.ehow.com/how_8698510_fix-roland-cube.html

although it doesn't mention the fuse you will probably find it. Sometimes there is a fuse access on the outer case.

Jan 11, 2012 | Roland Micro Cube Battery Powered Amp...

1 Answer

I need to replace the power push button, but do not know what part number it is. Trying to get it ordered through Mouser, but there are too many listed. All I know is that it's an Alps switch, and it reads...


HI,

I've just had a Roland Micro Cube amplifier in for repair and it uses the same type of Alps switch you mention. ( It's also broken )

This is a simple single-pole latching push-button switch, so electrically, almost anything rated for an amp will be good enough.

Alps no longer make the same part, so you'll need to find something which looks the same and fits the original hole.

My repair is easier, because the replacement part doesn't have to match anything.

Graham.

Jan 27, 2011 | Roland CM30 CUBE Monitor Speaker PA...

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