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Philips TV 40PFL3148H/12 keeps restarting on the logo

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    Philips TV 40PFL3148H/12 keeps restarting on the logo

    Hello,

    My Philips TV 40PFL3148H/12 keeps restarting as soon as the Philips logo is displayed, as soon as I plug it. The remote doesnt have any effect on it anymore, plus no red light on the tv panel as usual.

    After contacting their support, they sent me a file to update the firmware from usb but without success (8gb 2.0 drive formatted in fat32).
    Then they told me that it was a hardware problem.

    Here is a video of the problem : https://streamable.com/8ixf1u

    Thanks for your help
    Attached Files

    #2
    Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

    So update failed or did update and not fixed the problem?
    I assume no responsibility for any stupid suggestions I might post.

    Comment


      #3
      Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

      The tv restarts over and over again as if there where no usb drive plugged. I think the usb drive is not even read by the tv, nothing happens.

      Comment


        #4
        Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

        Did you try unplugging then holding power button while plugging tv back in?
        I assume no responsibility for any stupid suggestions I might post.

        Comment


          #5
          Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

          Yes I tried this too. The tv bypasses everything and starts as soon as it is plugged

          Comment


            #6
            Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

            Rebooting after the logo suggests faulty NAND.

            Comment


              #7
              Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

              Originally posted by diif View Post
              Rebooting after the logo suggests faulty NAND.
              thanks, I read some threads about this too so maybe it's the case yes.
              Do you know what this nand looks like on my motherboard please, or maybe its reference? so I can try to find one online. Thank you

              Comment


                #8
                Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                Just above the scart socket.

                Comment


                  #9
                  Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                  This one?
                  If it's the one, I think I won't be able to solder a new one it require too much precision. I can solder mosfets or like, but this kind of chips require an equipment I don't have (microscope...). Isn't there a way to program it without removing it?
                  Attached Files

                  Comment


                    #10
                    Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                    I would think it's failed physically with to many bad blocks.
                    You have tried the only way to repair it without replacing it.

                    Comment


                      #11
                      Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                      I am going to try then, since the tv will go to trash anyways nothing to lose...

                      On ebay I find lots of K9GAG08U0E SCB0, while mine is a K9GAG08U0E SIB0. Is it fine ?

                      Comment


                        #12
                        Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                        There's not much point buying an empty chip, it needs fresh contents programming in first.

                        Comment


                          #13
                          Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                          You have K9F1G08U0D, look carefully.

                          Comment


                            #14
                            Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                            I can't do that but there are chips that come already programmed. I just have to find the correct one for my tv I guess.
                            For example this one, do you know how I can confirm if it is fine for my tv please?
                            https://www.ebay.fr/itm/173844621779...item2879f269d3

                            Comment


                              #15
                              Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                              Originally posted by lotas View Post
                              You have K9F1G08U0D, look carefully.
                              yes sorry my previous link was for a different chip, thanks for the reminder.
                              Is this one correct ?
                              https://www.ebay.fr/itm/115480460567

                              Comment


                                #16
                                Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                                Try different USB flash drives, but old 1-2 Gb ones are better, not all flash drives will be updated.

                                Comment


                                  #17
                                  Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                                  No, that's for a Samsung TV.

                                  Comment


                                    #18
                                    Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                                    seller says "all codes BN94-0xxxx"
                                    How can I find this code?

                                    Comment


                                      #19
                                      Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                                      Originally posted by diif View Post
                                      No, that's for a Samsung TV.

                                      ah ok since the chip is a samsung one on my philips tv it's confusing...

                                      Comment


                                        #20
                                        Re: Philips TV 40PFL3148H/12 keeps restarting on the logo

                                        Originally posted by lotas View Post
                                        Try different USB flash drives, but old 1-2 Gb ones are better, not all flash drives will be updated.

                                        Well I will buy a 1gb one and retry, but honnestly I already tried with 3 usb sticks ( 8/32/128gb) and nothing happened.

                                        Comment

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