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FUNAI/SANYO FW55D25F Shuts Down Randomly

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    FUNAI/SANYO FW55D25F Shuts Down Randomly

    I have Sanyo 55" TV that randomly shuts off..

    Sometimes it will stay on for 5mins or so, sometimes it shuts off after a min or two...

    When it DOES stay on, it works fine...

    All things being equal, would it be more likely a POWER Board issue or a MAIN Board issue???

    Thanx in advance...
    Attached Files

    #2
    Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

    Flips coin. Backlights. Not much to go on here.
    I assume no responsibility for any stupid suggestions I might post.

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      #3
      Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

      maybe check all the solder joints on powerboard, inspect cable from powerboard to mainboard for burn marks or a bad wire, see if wiggling makes a difference, could be an iffy cap on powerboard.
      Last edited by nomoresonys; 07-12-2022, 04:44 PM.

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        #4
        Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

        Looks like sj has an eeprom for sale, could be that maybe.

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          #5
          Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

          Is the backlight shutting off or the TV? What happens when you turn down the backlight level?

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            #6
            Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

            Thanx for all the replies...

            I have been out of the game for a while.. A bad LED strip did not occur to me.. Thanx..

            The whole TV shuts down.. Not just a backlight shutdown..

            If it's an LED Array replacement, I can just forget about it.. I don't have the time nor the space to tackle one of those... And they ain't fun to begin with...

            I am thinking a Power PCB replacement is going to be my best bet...

            Thanx again for the replies...

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              #7
              Re: FUNAI/SANYO FW55D25F Shuts Down Randomly

              Update...

              Got a replacement PSU board..

              Now it only comes on for a second or two and then shuts down..

              Assuming the part I got was good, it's now looking like an LED STRIP problem..

              Sound about right??

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