RCA RLCDV3282A-B LCD power off and on every few minutes

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  • rookiecap
    New Member
    • May 2022
    • 6
    • Canada

    #1

    RCA RLCDV3282A-B LCD power off and on every few minutes

    I have a LCD combo tv model RCA RLCDV3282A-B, and it broke down. The symptoms were

    [1] very low volume

    [2] flickerring image proportional to sound and brightness

    [3] the power turns off and on every few minutes

    So I took it apart and looked at the power board. I found some swollen capacitors. So I replaced all electrolytic capacitors (14 of them) according to their original specs.

    Unfortunately it did not fixed all problems. I have a the volume and no more flickering (good image). However, the power turns off and on every few minutes randomly.

    What I am missing? What are my next steps?
    Last edited by SMDFlea; 05-16-2022, 12:42 PM. Reason: Added "RCA RLCDV3282A-B" to thread title
  • nomoresonys
    Badcaps Legend
    • Jan 2013
    • 12082
    • U.S.

    #2
    Re: RCA RLCDV3282A-B LCD power off and on every few minutes

    might be a solder joint problem, recheck your work and check all other solder joints.

    Comment

    • nomoresonys
      Badcaps Legend
      • Jan 2013
      • 12082
      • U.S.

      #3
      Re: RCA RLCDV3282A-B LCD power off and on every few minutes

      some examples of bad joints: https://www.google.com/search?q=bad+...ih=607&dpr=1.5

      Comment

      • dskall
        Badcaps Legend
        • Oct 2016
        • 2905
        • usa

        #4
        Re: RCA RLCDV3282A-B LCD power off and on every few minutes

        Next step is pictures
        I assume no responsibility for any stupid suggestions I might post.

        Comment

        • rookiecap
          New Member
          • May 2022
          • 6
          • Canada

          #5
          Re: RCA RLCDV3282A-B LCD power off and on every few minutes

          For all of the replies, thank you. I am attaching pcb board images. I accept criticism with no hard feelings.
          Attached Files

          Comment

          • dskall
            Badcaps Legend
            • Oct 2016
            • 2905
            • usa

            #6
            Re: RCA RLCDV3282A-B LCD power off and on every few minutes

            Can't see your connector pin out. Need to check your voltages on connector to mainboard.
            I assume no responsibility for any stupid suggestions I might post.

            Comment

            • nomoresonys
              Badcaps Legend
              • Jan 2013
              • 12082
              • U.S.

              #7
              Re: RCA RLCDV3282A-B LCD power off and on every few minutes

              recheck your work and make sure that and ALL the other solder joints are good.

              Comment

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