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Help with Logik42" L423ED11

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    #1

    Help with Logik42" L423ED11

    I have requested eeprom bios as i believe it is my issue and i have a programmer ive never used before.. But before i get to flashing i have a few questions so will post my tv issue and see if i should proceed..

    Tv was spare in games room so gifted it to my son its barely used and wqaa working perfect 4 months ago.

    When i tried to turn it on it goes from red to green but no sound or picture not even backlight.. I striped it down and its so clean inside i was shocked no dust lol. When i checked all caps there perfect and all seem ok visibly ive changed many caps on tv and monitor but that is as far as ive been with tv repairs..

    Does it sound like im heading the correct route with eeprom ? Also can you flash and read in board or does it need desoldering ? obviously if thats my issue lol
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    #2
    Re: Help with Logik42" L423ED11

    Dis you shine a flashlight/torch at the screen maybe hit menu on remote, see if you can see any text or anything?

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      #3
      Re: Help with Logik42" L423ED11

      Eeprom is typically suspect if the tv does not turn on at all. If the tv turns on and off with no backlight or if they flash, then the backlights are suspect.

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        #4
        Re: Help with Logik42" L423ED11

        Originally posted by neilc6 View Post
        Eeprom is typically suspect if the tv does not turn on at all. If the tv turns on and off with no backlight or if they flash, then the backlights are suspect.
        thx no it goes green from red and nothing happens

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          #5
          Re: Help with Logik42" L423ED11

          Looking at your model number of your TV being a Logik L423ED11 they are quite rare. So in my opinion you would be very lucky to get hold of the flash ic data for it. However as nomoresonys has stated the first route would be to establish whether one or more of the LED's have failed.
          If your remote control can turn the TV on and off then generally I would say your main board is working. You may ask why do I not get sound? If your input selection isn't the aerial and you have nothing else connected to it then you will not get audio (assuming of course that the aerial has been tuned in recently to your location). The only way to really prove it is to connect a audio source to a fully wired scart cable like a dvd player.
          Important follow this order carefully
          1. Turn the TV onto standby.
          2. Connect a dvd player to the TV with a scart cable (you may ask why a scart cable? well a scart cable has a pin in it that automatically switches it over to the scart input when activated without any remote control interaction). Play the media you have selected on the DVD player ensuring it has audio output from it.
          3. Now try turning the TV on with the remote control or from the front panel buttons. With the remote control try turning the volume up and down.
          4. If you hear audio and you can adjust volume I would safely say you have no issues with the main board and the flash ic.
          Your issue would be with your LEDs or led driver board or PSU.
          So I would suggest you follow logically the fault process as getting hold of LED's will be far easier than getting the flash data for the eeprom! Which personally speaking I don't think you would be able to get hold of!

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            #6
            Re: Help with Logik42" L423ED11

            Thx will try this and get bck

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