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|8th June 2008, 06:51 PM||#1|
Join Date: Jul 2004
EAD Power Master 1000, Blown fuse ???
I have a EAD Power master 1000, 5-chanel power amplifier which blow the external fuse at startup.
I tryed to disconnect cable for cabel yo see which part of the ampifier where shorted.
But afer disconecting the power from the diodebridge output (+ and -) I manage to start the amplifier without blowing the fuse.
However after some futher on/off switching even this blowed the fuse
The EAD Power master 1000 has a start-up board sins it has a touch switch for start up.
Does this board also include a soft start circuit which could be fault ?
Does anyone have any sugestions how to progress ?
The fuse rating is 3,15 A/250V and I have not tested a higher rating. Should I ?
|8th June 2008, 08:00 PM||#2|
Join Date: Apr 2008
Location: Carlisle, England
Re: EAD Power Master 1000, Blown fuse ???
1/ Output transistors.
2/ PSU capacitors gone short.
3/ Bridge gone short circuit.
4/ Transformer died.
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