Question about Roland Music
Yeah there are some ways you can check in manual but it's better to take new amp as well. Low tube amp maybe.
Posted on Nov 06, 2019
Google it and find the Service Manual, then get a Tech.
Posted on Dec 14, 2017
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Posted on Jan 02, 2017
SOURCE: Roland JC-55 amp stopped working
Sounds like a transformer problem or something else in the power section..maybe even a transistor....since the LED status light would be direct from DC power. Take it to a trusted audio electronic tech and get it looked at. Keep in mind that these amps are about $150-$200 used on Ebay so don't spend too much getting it fixed if it is indeed a transformer. I'd definatley get it looked at. I have a JC-77 and it rocks for clean!
Posted on Jun 20, 2009
SOURCE: hello my roland street cube
That is the first thing to check. They are most likely inside the circuit board. Remember to replace them with the same voltage and amperage ratings.
Posted on Apr 30, 2011
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.
Posted on Jul 14, 2011
SOURCE: Amplifier not working
It is more likely that your input jack component is broken or damage you would have to take it apart because your circuit board may need a look at to check for damage and you will need a new input jack
Posted on Aug 11, 2011
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