I have a pyramid PA1000x rack mounted amp and i use it to perform with as a mobile dj. When i turned it on at the club i blew a fuse right away. I took it to an electrician who is a freind of mine and so far(without a schematic to guide him) he found that the full wave bridge rectifier, is bad. Its only a $5.00 part but i need a schematic for future use in case i have problems again. Could anything else be bad?
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need much more info to help. $300 amplifier made in china with stamped surface mount components. Have fuse and transformer thermal cutout tested, if these work then throw the amp out as it is darn near impossible to repair these things.
The unit has a built in mixer as well as individual outputs. You would need an amplifier/speaker that could receive from teh mixed output jack of this. Use BALANCED TRS cable.
You probably have some DC voltage leaking through to the output stage and the protection circuit is kicking in to shut it down. Look for a problem in the front end (pre-amp). If you are not familiar with electronics, expect a parts cost in the $30 range plus the local labor rate for repair.
Dan
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