Philips 32pfh4309/88 restart problem

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  • Bibu
    Senior Member
    • Mar 2016
    • 88
    • Italy
    #1

    Philips 32pfh4309/88 restart problem

    Hi to everybody, i have a problem with the tv in title.
    The tv reboot it self when i give power to It.
    Sometimes show the Philips logo and restart, sometimes only the backlight on and off.
    There isn't Power led on.
    I opened the tv and i don't see any blow caps or burn PCB.
    I read in other discussion about an upgrade firmware with USB, i just try It without success.the TV restart before start the upgrade.
    I think that in my case Is an hardware problem, what i can check and what are the problems for you?
    Thanks to everybody
    Tags: None
    • CapLeaker
      Leaking Member
      • Dec 2014
      • 8321
      • Canada
      #2
      Re: Philips 32pfh4309/88 restart problem

      can you post a straight shot, high resolution picture of your main board?

        Comment

        • yokoono
          Badcaps Veteran
          • Apr 2010
          • 505
          #3
          Re: Philips 32pfh4309/88 restart problem

          Last firmware
          http://www.p4c.philips.com/cgi-bin/c...scy=DK&slg=AEN
          Last edited by yokoono; 10-07-2019, 09:18 PM.

            Comment

            • Bibu
              Senior Member
              • Mar 2016
              • 88
              • Italy
              #4
              Re: Philips 32pfh4309/88 restart problem

              Originally posted by yokoono
              Last firmware
              http://www.p4c.philips.com/cgi-bin/c...scy=DK&slg=AEN
              I Just try to update the firmware with USB,but doesn't work... The tv restart before start the procedure

                Comment

                • Bibu
                  Senior Member
                  • Mar 2016
                  • 88
                  • Italy
                  #5
                  Re: Philips 32pfh4309/88 restart problem

                  Originally posted by CapLeaker
                  can you post a straight shot, high resolution picture of your main board?
                  This Is the main board
                  Attached Files
                  Last edited by Bibu; 10-08-2019, 01:51 PM.

                    Comment

                    • CapLeaker
                      Leaking Member
                      • Dec 2014
                      • 8321
                      • Canada
                      #6
                      Re: Philips 32pfh4309/88 restart problem

                      Aaaah! I see a NAND IC (U405), where the Scart plug is. If you have a programmer like a TL866II or RT809H etc., read the NAND and save the file. Then erase the IC, followed by a blank check. Chances are there are bad blocks on that IC. Copy the content from the old NAND chip to a new NAND chip and reinstall it.

                        Comment

                        • yokoono
                          Badcaps Veteran
                          • Apr 2010
                          • 505
                          #7
                          Re: Philips 32pfh4309/88 restart problem

                          Originally posted by Bibu
                          I Just try to update the firmware with USB,but doesn't work... The tv restart before start the procedure
                          Procedure
                          http://www.p4c.philips.com/cgi-bin/c...scy=DK&slg=AEN

                            Comment

                            • Bibu
                              Senior Member
                              • Mar 2016
                              • 88
                              • Italy
                              #8
                              Re: Philips 32pfh4309/88 restart problem

                              Originally posted by yokoono
                              Procedure
                              http://www.p4c.philips.com/cgi-bin/c...scy=DK&slg=AEN
                              I know the procedure, but i can't do it.because the TV restare before beginning the update

                                Comment

                                • yokoono
                                  Badcaps Veteran
                                  • Apr 2010
                                  • 505
                                  #9
                                  Re: Philips 32pfh4309/88 restart problem

                                  Turn on the TV and give it a cooling spray (freeze spray) on the nand memory.

                                    Comment

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