LG 42PQ30-UA plasma 2009, red/green/blue pixels

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  • windsurfer77
    New Member
    • Nov 2012
    • 1
    • United States

    #1

    LG 42PQ30-UA plasma 2009, red/green/blue pixels

    So my plasma is really exagerating the green and reds, also when the screen is black (between channels) it shows blue blotches with green sparkles. Also on a regular channel the same blotch shows up as a transparent white burn.

    When I goto the menu the menu images are intermitten with being just fine to as like the rest of the screen problems.

    I can still watch the tv as its not a bad on some channels (only using antenna signal).

    This is a issue I would like to tackle myself. Can someone let me know what steps I can take to fix it?
  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #2
    Re: LG 42PQ30-UA plasma 2009, red/green/blue pixels

    Can you show us a picture? Does the problem affect the menu interfaces, as well?
    Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
    For service manual, schematic, boardview (board view), datasheet, cad - use our search.

    Comment

    • OCILITO
      New Member
      • Nov 2012
      • 1
      • mexico

      #3
      Re: LG 42PQ30-UA plasma 2009, red/green/blue pixels

      tom66 I need a manual for lcd tv DYNEX MODELO DX-L4010A
      Last edited by OCILITO; 11-20-2012, 04:54 PM.

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: LG 42PQ30-UA plasma 2009, red/green/blue pixels

        Please send me a PM and remove your email publicly, you will receive lots of spam.
        Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
        For service manual, schematic, boardview (board view), datasheet, cad - use our search.

        Comment

        • jettboat
          Senior Member
          • Nov 2012
          • 63
          • USA

          #5
          Re: LG 42PQ30-UA plasma 2009, red/green/blue pixels

          the issue is most likely the main board. I just got the same model 42pq30 for $40 main failed. I'm using a 50pq30 board in it after I change the eprom's ic204 & 201 so the screen is the correct size.
          this is all I can guess without pic or voltage test of the power supply etc as the voltage can be off by 2 volts and mal discharge. or if your lucky a cap not me 1 in 50 odds

          Comment

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