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Berhinger PMP4000 SMPS repair

Discussion in 'Troubleshooting and Repair' started by banjomaniac, Dec 7, 2016.

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  1. banjomaniac


    Mar 3, 2013
    b1_Ink_LI.jpg b2.jpg b3.jpg I have a PMP4000 powered mixing board and it quit while in use. It appears to be the power supply. I have one light on the board that dimly blinks when I power it on. no fans or anything else. I'm needing advise on what to check first? I have looked it over several times with a magnifying glass and found 1 bad solder joint on the line in clip but it made no difference. I cant' see anything burned or bulging caps or anything. I'll include a couple pics.
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