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Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

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    #1

    Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

    Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1
    Beko main board XLX190R-4
    PSU FSP312-2m01
    Inverter LC370WX4
    Tcon LC370WX4-SLA1

    Fault set has sound and backlights are on and nice and white
    But no picture caps on invert were swollen so replaced
    Fuse on tcon was open replaced now have 12v both sides but still no picture

    Anyone repaired one of these Tcons or have circuit
    It has an TPS65161 buck boast chip fitted and VDD seems to be at 0v which is from transistor Q5 marked L7x3b (note the x has a line under it) it does nor read correct and is the only one on the board
    anyone know this device ?
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    #2
    Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

    Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem

    Comment

      #3
      Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

      Your set has the LG panel fitted,The board number of the T.Con is 6870C-0158A not LC370WX4-SLA1 this is the panel match number. And the part number is screen printed in red or white and this has to match with any replacement, confusing but that how to get the right T.con. I would not waste to much time trying to fix the board as they are out there and no money. hope this helps Flocko

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        #4
        Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

        thanks for the help the silkscreen printed number is in black
        and
        is
        4A108D 1219A1

        having trouble finding this one but will keep looking. But was hoping I could replace Q5 as a quick start but can not Id it if that did not cure was going to try the TPS65161 chip

        Comment

          #5
          Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

          The full part number of your board is 6871L-1219A ? (were did the 6871L number come from ?thats there board pre fix number) Thats how confusing LG/Philips are with part numbers, but as long as it shows 1219A screen printed in red or white thats the board you need. I have checked for you and there are no subs on this board . But at least you know what your looking for. happy hunting

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            #6
            Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

            thanks for all your help I will keep hunting
            if I can id the transistor will do.I have some different LG/Philips tcon from early pre HD TV's so will se if any have one fitted

            all the best Vince

            Comment

              #7
              Re: Bush IDLCD32TV07HD with Tcon LC370WX4-SLA1 no picture

              Just looked on ebay one on there item number:261041658776

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