Lg 50" plasma no picture but sound

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  • johnjgjohn
    Senior Member
    • Sep 2013
    • 87
    • scotland

    #21
    Re: Lg 50" plasma no picture but sound

    Its open

    Comment

    • johnjgjohn
      Senior Member
      • Sep 2013
      • 87
      • scotland

      #22
      Re: Lg 50" plasma no picture but sound

      Im getting 001.0 om 200M

      Comment

      • johnjgjohn
        Senior Member
        • Sep 2013
        • 87
        • scotland

        #23
        Re: Lg 50" plasma no picture but sound

        Ok im getting 001.0 on 200M range

        Comment

        • Hamie
          Badcaps Legend
          • Apr 2014
          • 1383
          • UK

          #24
          Re: Lg 50" plasma no picture but sound

          Different from the usual failures.

          I've had 4 of these models and that cap usually falls short causing all sorts problems.

          Change it out anyway, use a 22nf cap. You should get a reading across it in circuit.

          Comment

          • johnjgjohn
            Senior Member
            • Sep 2013
            • 87
            • scotland

            #25
            Re: Lg 50" plasma no picture but sound

            It looks like it could be cracked tbh

            Comment

            • Hamie
              Badcaps Legend
              • Apr 2014
              • 1383
              • UK

              #26
              Re: Lg 50" plasma no picture but sound

              Sorry just read the above,

              Put your meter in a lower ohms setting.

              Comment

              • Hamie
                Badcaps Legend
                • Apr 2014
                • 1383
                • UK

                #27
                Re: Lg 50" plasma no picture but sound

                If it's shorted it's bad, and needs changed out.

                Comment

                • johnjgjohn
                  Senior Member
                  • Sep 2013
                  • 87
                  • scotland

                  #28
                  Re: Lg 50" plasma no picture but sound

                  How do i know what size they are theres no rating on them would need to pinch one from a spare board

                  Comment

                  • johnjgjohn
                    Senior Member
                    • Sep 2013
                    • 87
                    • scotland

                    #29
                    Re: Lg 50" plasma no picture but sound

                    If i go lower i get no reading but the cap looks to be blown or cracked

                    Comment

                    • Hamie
                      Badcaps Legend
                      • Apr 2014
                      • 1383
                      • UK

                      #30
                      Re: Lg 50" plasma no picture but sound

                      There's no schematic forysus boards.

                      Use a 22nf

                      Comment

                      • johnjgjohn
                        Senior Member
                        • Sep 2013
                        • 87
                        • scotland

                        #31
                        Re: Lg 50" plasma no picture but sound

                        I dnt have caps tht small but i could take one from another board but how do i know the rating of them to get a 22nf?

                        Comment

                        • vinceroger69
                          Badcaps Legend
                          • Mar 2012
                          • 6714
                          • uk

                          #32
                          Re: Lg 50" plasma no picture but sound

                          Have you got a multi meter that checks capacitors? or a esr/capacitor meter if not you may have to purchase some capacitors of that value.

                          Comment

                          • johnjgjohn
                            Senior Member
                            • Sep 2013
                            • 87
                            • scotland

                            #33
                            Re: Lg 50" plasma no picture but sound

                            My meter does capacitance but ive not got the connectors for it

                            Comment

                            • johnjgjohn
                              Senior Member
                              • Sep 2013
                              • 87
                              • scotland

                              #34
                              Re: Lg 50" plasma no picture but sound

                              Ok so ive changed it and i now have 17.7 volts which is good also have green flashing light now

                              Comment

                              • johnjgjohn
                                Senior Member
                                • Sep 2013
                                • 87
                                • scotland

                                #35
                                Re: Lg 50" plasma no picture but sound

                                Amazing what 1 little cap does
                                Attached Files

                                Comment

                                • johnjgjohn
                                  Senior Member
                                  • Sep 2013
                                  • 87
                                  • scotland

                                  #36
                                  Re: Lg 50" plasma no picture but sound

                                  Thank u so much very much appreciated for your time and knowlege

                                  Comment

                                  • jjanssen7
                                    Badcaps Veteran
                                    • Nov 2012
                                    • 252
                                    • Canada

                                    #37
                                    Re: Lg 50" plasma no picture but sound

                                    Hamie, How in the world did you find that capacitor had gone bad? Wow.

                                    Model number wasn't mentioned, but searching the zsus mentioned I see it might be LG model 50pb5600 or 50pb660v?

                                    Still, wow. good catch.

                                    Comment

                                    • Technici
                                      New Member
                                      • Oct 2016
                                      • 1
                                      • Nederland

                                      #38
                                      Re: Lg 50" plasma no picture but sound

                                      Hello Hamie
                                      I have here a LG Plasma 50PB5600, and there is a green flashing led on the control board, i have 18 volt on YSUS, all voltages are good.
                                      It flash: 1x long, 1x short, 1x long and 1x short, and this repeats.
                                      What means this?

                                      Comment

                                      • Hamie
                                        Badcaps Legend
                                        • Apr 2014
                                        • 1383
                                        • UK

                                        #39
                                        Re: Lg 50" plasma no picture but sound

                                        Originally posted by Technici
                                        Hello Hamie
                                        I have here a LG Plasma 50PB5600, and there is a green flashing led on the control board, i have 18 volt on YSUS, all voltages are good.
                                        It flash: 1x long, 1x short, 1x long and 1x short, and this repeats.
                                        What means this?
                                        Start your own thread for this model with clear pictures.

                                        Comment

                                        • wiled
                                          New Member
                                          • Apr 2014
                                          • 3
                                          • US

                                          #40
                                          Re: Lg 50" plasma no picture but sound

                                          LG Plasmas seem to have a lot of issues...I'm dealing with something similar with my dad's set. I'll post in a new thread

                                          Comment

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