RCA L40FHD41YX9 line on screen.

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  • itronic
    Senior Member
    • Sep 2015
    • 82
    • usa
    #1

    RCA L40FHD41YX9 line on screen.

    Okay this is what i did so far. After testing the PSU, it showed to be working good. The main board was fine. It pointed to the blacklight inv (SSI 400 14A01)

    The fuse was blew and several mofest. So I used this kit http://www.shopjimmy.com/samsung-lj9...repair-kit.htm. Changed all the bad mofset. The bad ones was on the upper end with the small transformer. Also changed the U101 chip. Now everything works but i have a line on screen. Reckon LCD Panel is down. Picture is below of what i changed.





    sorry about the picture not being straight.
    Attached Files
    Last edited by itronic; 09-16-2017, 02:05 PM.
    Tags: None
    • lmpina
      New Member
      • Jun 2013
      • 4
      • USA
      #2
      Re: RCA L40FHD41YX9 line on screen.

      The horizontal shapes shown in the picture are almost certainly shadows caused by deformation or delamination of the diffuser layer(s) in the LCD panel. Diffusers are just thin sheets of flexible plastic and you may be able to replace them with comparable material removed from a similar-sized TV with a cracked LCD. Check the YouTube video titled "LCD TV Repair Secrets - Horizontal Lines (or shapes) on the Screen" and you'll see exactly what the problem is.

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