While traveling a tinny pin fell through the grate and pierced the right speaker- I can hear the damage and I would like to replace the speaker but I don't know where to get a replacement speaker.
Rubber cement is an excellent for minor speaker cone damage but if you feel that a replacement is required, try MCM Electronics online. They carry lots-o-speaker replacements. Be sure to match wattage and impedance (ohms) of the speaker though as these are important spec's.
thx Glen- i was considering using a dab of super glue- but maybe i'll hold off until i get some rubber cement-
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SOURCE: roland micro cube fuse replacement
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.
SOURCE: roland cube street water damage repair
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.
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