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

1. Check the power cable and ensure it is securely connected to both the amp and the power outlet. 2. Check the fuse and replace it if needed. 3. Check the power switch and ensure it is in the correct position. 4. Check the battery (if applicable) and replace it if needed. 5. If the amp is still not turning on, contact Roland customer service for further assistance.

Your Roland microcube AC is waste up

Because some component in the amp is failing/failed and drawing too much current. The amp needs a repair shop. Poking around without knowing what you're doing can expose you to leather voltage. Don't do it.

If the fuse blew, it is for a reason requiring repair. Troubleshoot and use a 40 watt lamp in series to limit current until cause of fuse blowing is found and repaired.

Sounds like the amp (or speaker) blew. Do you have anything else you can plug into the amp to test? If possible use a different cord to preclude that as a cause, too.

This sounds like fret buzz caused by improper setup of the guitar. Likely the intonation needs to be set and the string height... possibly a truss rod setup as well. Take the guitar into a shop for setup unless you are adept at setting. There are a couple videos on guitar setup on YouTube, however do NOT try a truss rod adjustment yourself.

something could possibly be giving it feetback or it could be Faulty i would check with the store you bought it from

Check the fuses. There is probably one on the outside of the amp and some inside the circuit board.

Heree is link to cube 40... not sure what the XL suffix gets you...

http://elektrotanya.com/roland_cube-40.pdf/download.html

Scroll down to the little link "Get Manual" and click on that.

Thee internal fuse should have protected it.

Here is schematic:

http://elektrotanya.com/roland_cube-20_combo_sch.gif/download.html

Scroll down on page and click on "Get Manual"