Phillips 46PFL3706/F7 dead, no light or audio

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  • aasnowskate
    Senior Member
    • Jan 2013
    • 118
    • usa
    #1

    Phillips 46PFL3706/F7 dead, no light or audio

    I have a Phillips 46pfl3706/f7 that will not power up. This happened after a storm. When plugged in I can hear the relay click, but when the power button is pushed, there is nothing. No led light, no back light, no audio.
    The fuse on the inverter is good. The fuse on the power supply is good.
    I have attached pics of the power supply, main board and inverter board.
    Attached Files
    Tags: None
    • aasnowskate
      Senior Member
      • Jan 2013
      • 118
      • usa
      #2
      Re: Phillips 46PFL3706/F7 dead, no light or audio

      I am trying to find out if it would be a power supply problem or a main board problem. Any help would be great, Thanks.

        Comment

        • aasnowskate
          Senior Member
          • Jan 2013
          • 118
          • usa
          #3
          Re: Phillips 46PFL3706/F7 dead, no light or audio

          At the pins going from the power supply to the main board there is only 10 volts where it says there should be 12 volts.

            Comment

            • Shane711
              Badcaps Veteran
              • Dec 2014
              • 493
              • USA
              #4
              Re: Phillips 46PFL3706/F7 dead, no light or audio

              The 2 ICs on the bottom of the power board control the 12VCD and 24VDC on these TVs. If after testing all the diodes and transistors you still can not find the problem then replace the 2 ICs. You get your standby voltage but the 12VDC and 24VDC are missing

                Comment

                • vinceroger69
                  Badcaps Legend
                  • Mar 2012
                  • 6714
                  • uk
                  #5
                  Re: Phillips 46PFL3706/F7 dead, no light or audio

                  can you post good clear pictures of the writing by the side of the power supply connectors as we maybe able to help you force the psu on to test the voltages without the mainboard connected and please double check your multi meter readings maybe try a new 1.5 or 9v battery just to make sure its not under reading etc as we have saw this before a few times.

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