42" Sylvania 6842pe m LCD TV Won't Power Up/Shorting Noise?

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  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #21
    Re: 42" Sylvania 6842pe m LCD TV Won't Power Up/Shorting Noise?

    It does sounds like the power supply cannot handle the load, so at this point it may be good idea to change the filter cap, you still should put snubber cap back in place, the cap is for filtering out diode switching noise which may affect pictures or sound.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

    Comment

    • ComputerGeek
      Badcaps Veteran
      • Oct 2011
      • 262
      • USA

      #22
      Re: 42" Sylvania 6842pe m LCD TV Won't Power Up/Shorting Noise?

      Originally posted by budm
      It does sounds like the power supply cannot handle the load, so at this point it may be good idea to change the filter cap, you still should put snubber cap back in place, the cap is for filtering out diode switching noise which may affect pictures or sound.
      Yeah I plan to order a new one as soon as I get a list of any other Caps I need to fix some Lcds I have.

      So should I just replace the filter Caps? Or just the ones on the secondary or all of them? Excluding the good Ceramic ones of course, unless these need to be replaced too.

      Do you think $200 is too much for a 42" lcd?
      Last edited by ComputerGeek; 09-27-2012, 03:43 PM.

      Comment

      • ComputerGeek
        Badcaps Veteran
        • Oct 2011
        • 262
        • USA

        #23
        Re: 42" Sylvania 6842pe m LCD TV Won't Power Up/Shorting Noise?

        Bump

        Comment

        • budm
          Badcaps Legend
          • Feb 2010
          • 40746
          • USA

          #24
          Re: 42" Sylvania 6842pe m LCD TV Won't Power Up/Shorting Noise?

          Really no need to replace the large cap in the primary side, but I would all the one in the socndary side and the small start up caps (usually around 22~47uf 50v) in the primary side.
          Never stop learning
          Basic LCD TV and Monitor troubleshooting guides.
          http://www.badcaps.net/forum/showthr...956#post305956

          Voltage Regulator (LDO) testing:
          http://www.badcaps.net/forum/showthr...999#post300999

          Inverter testing using old CFL:
          http://www.badcaps.net/forum/showthr...er+testing+cfl

          Tear down pictures : Hit the ">" Show Albums and stories" on the left side
          http://s807.photobucket.com/user/budm/library/

          TV Factory reset codes listing:
          http://www.badcaps.net/forum/showthread.php?t=24809

          Comment

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