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Behringer UB1622fx-pro Effects pulsing on and off

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    #21
    Re: Behringer UB1622fx-pro Effects pulsing on and off

    Originally posted by garrymc123 View Post
    Brilliant Check12 that was much easier that way thanks for the step by step guide. See when you say inject and trace test signals how would I do that on a power supply to check for power going into the smps and back out the other side ... Cheers

    Garry
    That was for tracing audio faults when the PS is working.

    Originally posted by garrymc123 View Post
    Just another wee quick question How would I go about finding out what voltage is getting to the transformer and also out the transformer I'm getting voltage out of the filter capacitor and voltage out from pin 4 and 7 from ic2 top245y I've attached a picture of the area marked in red. Thanks in advance
    ... what are you getting at the power supply output connectors? are you getting any of the +12. +5, +15, -15, +48 voltages?

    Can you hear any ticking sounds from the PS when plugged in?

    With the supply in the mixer did any LEDS momentarily flash when you switch it on? Is the Phantom Power LED still lighting when the switch is pressed?

    Have you checked the secondary diodes: D4, D5, D6, D8, D9?
    Last edited by check12; 06-17-2018, 06:42 PM.

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      #22
      Re: Behringer UB1622fx-pro Effects pulsing on and off

      Cheers guys for all the info the caps have arrived from rs I will let you know how I get on with them
      Attached Files
      Your never to old to learn

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