Announcement

Collapse
No announcement yet.

Dynex LCD TV has sounds but no picture.

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

    Dynex LCD TV has sounds but no picture.

    Has sounds, back light is lit, but no pictures.

    It's a Dynex DX 40L261a12.

    The screen just went out.
    I put the T.V in a pitch black room and flash a bright light on it at different angles and I cannot see any faint pictures.


    Searched online for what could be the problem(s):
    Bad inverter (I dunno how to identify a faulty one)
    Bad capacitors(I see no bad capacitors on any boards)
    Bad T-con (I don't see any T-cons in my T.V)

    Anything else?

    I'm tempting to buy a new back light inverter, but I don't (and can't) waste cash, plus I'm having trouble taking it out.

    I'll post pictures once my phone is charge, if anyone wants to take a look.


    Thank you in advance.

    #2
    Re: Dynex LCD TV has sounds but no picture.

    After doing more research, it might be the T-con?

    I don't see one in the t.v.
    I uploaded 3 pictures.

    Model number is DX 40L261A12
    Attached Files

    Comment


      #3
      Re: Dynex LCD TV has sounds but no picture.

      It has integrated T-CON on the LCD panel assembly, nut we can still check for the DCV on them main board to see if the main board is sending the DC to the panel or not but we need better pictures of the main board, especially around the LVDS connector that goes to the LCD panel.
      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


        #4
        Re: Dynex LCD TV has sounds but no picture.

        Thanks for the reply

        Here is a few pictures of the Main Board.
        Attached Files
        Last edited by white1991; 01-05-2015, 06:02 PM. Reason: uploading error

        Comment


          #5
          Re: Dynex LCD TV has sounds but no picture.

          Also you said It has integrated T-CON on the LCD panel assembly



          Could these be it?
          Attached Files

          Comment


            #6
            Re: Dynex LCD TV has sounds but no picture.

            That is the IR Remote sensor board.
            I need MUCH BETTER pictures around that connector on the main board that goes to the LCD panel, it must be clear enough for me to trace out the connections.
            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

            Working...
            X