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Philips 40pfl4707/f7 problems

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    Philips 40pfl4707/f7 problems

    Got this TV that was supposed to be inop. Got it home and plugged it in and worked great except for front panel LED and would not work with a remote. Decided to replace IR sensor board to see if it would help and also removed main and power board just to inspect. Now it will not power up and no back lights which I was getting while on workbench while trying to program remote.

    Got this TV and another RCA 26" with DVD for $60 bucks. Got the 26" working with a tab bond repair and use it in the garage. Can't figure out what is going on with the Philips. The guy I got it from said he had replaced power board.

    Looking for service manual or pin voltages or any other info to try and figure this out. Thanks

    #2
    Re: Philips 40pfl4707/f7 problems

    Think I have found problem. Does anyone know where I can get ribbon cable, awm 20624 80c 60v, 9 pin, 18 inches long? Ebay shows some 10 pin that maybe I could cut but has to come from China. Takes 30 days.

    I believe it is broken. It runs from main board to IR board and have voltage readings at main connector but not on the other side of ribbon. The original cable was folded over in four places and I think it has broken at one of the folds.

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      #3
      Re: Philips 40pfl4707/f7 problems

      Got my used ribbon cable I found on ebay and it fixed my problem. I now have the led power lamp working and remote programed. Thank goodness for used parts. I figure I have about $55 invested in the TV. Not bad for a 2012 40" and the picture is great.

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        #4
        Re: Philips 40pfl4707/f7 problems

        thats the first i heard of someone ruining the ribbon cable going to the ir sensor on a tv not that it hasn't ever happened before...now on laptops i have seen quite a few. nice find and thanks for the info. did the connectors on the end get crumbled up from the connector not being opened up all the way?

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          #5
          Re: Philips 40pfl4707/f7 problems

          No.. the ends looked great. Just one of those weird things you wouldn't expect. I overlooked it thinking it was power board or main board and spent too much time messing with them. You just never know.

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            #6
            Re: Philips 40pfl4707/f7 problems

            whiz62 Glad you solved the issue
            If you are still interested, take a look at my posts and i have uploaded the service manual for this TV

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