i am new to this forum. i have a power amp Roland kc 550. when i power up the light is on but there is no sound. i would like to test it so that i can find out what went wrong . i need your help . would like to know what shoud i test first . any help will be geatly appreciated. thank you .

Hi and welcome to the forum,
There's a lot of talented people here who'll like nothing better than to fix up a good amp. Tell us some more.
Do you know any history on the amp? Who used it last and how?
You'll have to open her up and have a look for fuses and burnt parts. Or even bits rattling around inside. Even better, post some pics.
BTW I moved your thread into a better forum, more people will see it here.
There's a lot of talented people here who'll like nothing better than to fix up a good amp. Tell us some more.
Do you know any history on the amp? Who used it last and how?
You'll have to open her up and have a look for fuses and burnt parts. Or even bits rattling around inside. Even better, post some pics.
BTW I moved your thread into a better forum, more people will see it here.
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