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Finlux 43utd297b-p won't turn on

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    #1

    Finlux 43utd297b-p won't turn on

    Hi everyone,

    The red standby light is on however it doesn't switch on from the remote or the buttons on the TV.

    I have replaced the power board inside which is the Vestel 17ips72 and the same problem is there. I couldn't find a schematic though to actually test the board works so any help with what pins to measure against would be very helpful. I'm not sure what to replace and how to know when something is fried.

    Bit of back story is the cat urinated on the corner and it hasn't worked since. The TV was only a month old when it happened too... brutal.

    If there's any more info people need let me know and ill get on it ASAP.
    Tags: None
    #2
    Re: Finlux 43utd297b-p won't turn on

    Start by attaching some good clear pictures of the whole backside of the TV showing all the boards, also the area where the cat did the business.
    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

      #3
      Re: Finlux 43utd297b-p won't turn on

      Attached are the photos of the TV boards.

      The bottom right corner is where this business was made. There is a card with a small amount of rust so I take it this is the correct area.

      However, upon a quick google search, it shows that is just the Wifi card for the TV so I disconnected this and the TV would still not power up. Indicating this is not where the problem lies.

      As you can also see from the photos there's a strip which runs behind where this card is and I have no idea what that does or if there has been any damage to this.

      Could this also be as simple as the switch for the TV has been damaged so won't turn on as that is also in the area of impact?
      Attached Files

      Comment

        #4
        Re: Finlux 43utd297b-p won't turn on

        Does anyone have any experience with what could be wrong?

        Comment

          #5
          Re: Finlux 43utd297b-p won't turn on

          Main is 17MB120. And cod panel ?.
          Attached Files

          Comment

            #6
            Re: Finlux 43utd297b-p won't turn on

            i think nand problem. if you want try spi flash first : https://yadi.sk/d/TDvqP908yXgATA
            https://www.badcaps.net

            Comment

              #7
              Re: Finlux 43utd297b-p won't turn on

              I would guess the cat pissed on the panel and it damaged the board that connects the panel to the t-con. Try disconnecting the LVDS cable from the t-con board and see if the tv turns on.
              What is with that board between the plastic and metal frame in the last picture, that does not look right, did you remove it?
              Last edited by R_J; 02-20-2020, 05:04 PM.

              Comment

                #8
                Re: Finlux 43utd297b-p won't turn on

                YEP...definitely looks like CATPISS is the main culprit here.

                Comment

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