LG 50PS60 sound no raster

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  • superg
    Senior Member
    • Dec 2013
    • 58
    • Barbados
    #1

    LG 50PS60 sound no raster

    Hi All
    This tv was initially dead with a shorted 5V line on the mainboard. The mainboard was replaced and now I'm getting sound but no raster on the screen. It doesn't appear to be priming the screen. I'm getting all my voltages to the Y-SUS and Z-SUS and all my fuses are okay.
    Tags: None
    • ReeceyBurger123
      Never Give Up !
      • May 2014
      • 7325
      • Britain
      #2
      Re: LG 50PS60 sound no raster

      Does the control board have an Led on it flashing ?
      Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

      https://www.facebook.com/Telford-Tel...7894576335359/

        Comment

        • superg
          Senior Member
          • Dec 2013
          • 58
          • Barbados
          #3
          Re: LG 50PS60 sound no raster

          The LED is on steady.

            Comment

            • freakaftr8
              Badcaps Legend
              • Oct 2012
              • 3743
              • USA
              #4
              Re: LG 50PS60 sound no raster

              Did you replace the main board with the same exact suffix code at the end of the part number?
              Did I leave the soldering iron on?

                Comment

                • aaronwt6
                  Badcaps Veteran
                  • Apr 2013
                  • 855
                  • US
                  #5
                  Re: LG 50PS60 sound no raster

                  Check the voltage for Vsc on the Y-Sustain board. I've replaced a couple of these lately and both were missing Vsc which caused the screen not to light.

                    Comment

                    • aaronwt6
                      Badcaps Veteran
                      • Apr 2013
                      • 855
                      • US
                      #6
                      Re: LG 50PS60 sound no raster

                      Also, not sure if you have a mail forwarding service from the states but that Y-Sustain board is a tough one to source. I've gotten two from sears parts direct.

                      http://www.searspartsdirect.com/part.../0057/528.html

                        Comment

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