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backlight on my amplifer fx display is flickering all the time, the read out is fine

Discussion in 'Troubleshooting and Repair' started by karajim, Sep 9, 2014.

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  1. karajim

    karajim

    2
    0
    Sep 9, 2014
    Carlsbro eclipse 12 mixer amp. the fx display is working OK but the backlight is not staying on.
    It keeps flickering. Any idea what's causing it..
     
  2. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    Failing component or a loose connection is my best guess.
    Are you comfortable taking it apart?
     
  3. karajim

    karajim

    2
    0
    Sep 9, 2014
    Yes..well its all apart now..pl4 from power supply feeds this part. board but there are no regulators that i can see?
     
  4. Gryd3

    Gryd3

    4,098
    875
    Jun 25, 2014
    What kind of lights are being used for the backlight?
    Could be LED, small incandescents, or even EL.
    Are you looking for regulators on the 'part' or the power supply board?
    Pictures can help too ;)
     
  5. Angelo

    Angelo

    30
    2
    Sep 10, 2014
    Yes, an image of the LCD would be nice. It seems to me a common 16x2, so leds could be inside it, in any case, you should check well by eye, as said from gryd3, wiring connections to it, and if led supply power is a nice DC.
     
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