Question about Behringer Pmp3000 16 Channel Audio Mixer

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Behringer PMH 518 M

Amp will not start up, fuse keeps blowing with correct fuse fitted.

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I just fix this unit,
1 Nch IRF140N
1 Pch IRF9140N
1 0.1 ohm 3w resistor at one of the mosfets
1 47 ohm 1/4w
1 220ohm 1/4w

Posted on May 12, 2010

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  • 5,603 Answers

Quit replacing the fuse... you are doing further damage in the unit.

Likely the MOSFET power transistors are shorted and probably there are several transistors and other components ahead of those that are fried.. These are NOT well protected and the failure of a single part leads to multiple failures, often accompanied by circuit board damage when fuses are replaced with problem still existing..

Unless you are skilled at electronics you need to take it to a competent shop for repair.

Posted on Apr 26, 2010

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BEHRINGER USA, Inc.
18912 North Creek Parkway, Suite 200
Bothell, WA 98011
Tel.: +1 425 672 0816
Fax: +1 425 673 7647

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