LG 42LE7500 stuck at splash screen

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  • maxvalutech
    Badcaps Veteran
    • Dec 2014
    • 804
    • australia
    #1

    LG 42LE7500 stuck at splash screen

    Scored this along with a 60PV250 from people who advised "picture stuck on little one sound but no picture on the big one". So yes this one is stuck at the LG startup screen and won't go any further. Does switch on/off with remote and set controls, receives commands but doesn't react - so I suspect eeprom (nand flash on this I think). Have been able to download new firmware to USB but can't get it running to upload. Have tried freeze spray, menu menu on set and rc but no results. Anyone have any knowledge how to get beyond the splash or kick start this set??
    Attached Files
    Last edited by maxvalutech; 04-28-2018, 08:30 PM.
    Tags: None
    • dick_barton
      Badcaps Legend
      • Aug 2015
      • 6643
      • Wales
      #2
      Re: LG 42LE7500 stuck at splash screen

      A couple of days ago on this site someone successfully unbricked their set with instructions from
      https://wiki.samygo.tv/index.php/UnB...y_EEPROM_Reset
      Willing to help but I'm no expert.

        Comment

        • CapLeaker
          Leaking Member
          • Dec 2014
          • 8159
          • Canada
          #3
          Re: LG 42LE7500 stuck at splash screen

          eeprom

            Comment

            • nomoresonys
              Badcaps Legend
              • Jan 2013
              • 12199
              • U.S.
              #4
              Re: LG 42LE7500 stuck at splash screen

              Probably needs a reflow.

                Comment

                • nomoresonys
                  Badcaps Legend
                  • Jan 2013
                  • 12199
                  • U.S.
                  #5
                  Re: LG 42LE7500 stuck at splash screen

                  One guy did a preheated oven at 385 fahrenheit for 10 minutes but who knows how long this type reflow will last.
                  Last edited by nomoresonys; 04-29-2018, 07:22 AM.

                    Comment

                    • maxvalutech
                      Badcaps Veteran
                      • Dec 2014
                      • 804
                      • australia
                      #6
                      Re: LG 42LE7500 stuck at splash screen

                      OK and thanks for advice. Yes the boards in these look weak and subject to heat flexing I would think. Obvious main board problem so went over it all with heat and then gave it a try. The set fired up and I was able to tune it in, check and reset all settings, and give it a good run. When turned off to standby and then restarted backlights did not come on, however this morning it started normally so took the opportunity to update software which took as described. Now for a few days testing and here's hoping.

                        Comment

                        • ducky29
                          Badcaps Veteran
                          • Dec 2015
                          • 370
                          • Europe
                          #7
                          Re: LG 42LE7500 stuck at splash screen

                          Originally posted by dick_barton
                          A couple of days ago on this site someone successfully unbricked their set with instructions from
                          https://wiki.samygo.tv/index.php/UnB...y_EEPROM_Reset
                          These are instructions for Samsung not for LG

                            Comment

                            • budm
                              Badcaps Legend
                              • Feb 2010
                              • 40746
                              • USA
                              #8
                              Re: LG 42LE7500 stuck at splash screen

                              Originally posted by ducky29
                              These are instructions for Samsung not for LG
                              The reset is applied to the chip, not specific for the make or model, once you find the chip and the pinout then you can try doing the reset procedure.
                              Last edited by budm; 05-16-2018, 09:58 AM.
                              Never stop learning
                              Basic LCD TV and Monitor troubleshooting guides.
                              http://www.badcaps.net/forum/showthr...956#post305956

                              Voltage Regulator (LDO) testing:
                              http://www.badcaps.net/forum/showthr...999#post300999

                              Inverter testing using old CFL:
                              http://www.badcaps.net/forum/showthr...er+testing+cfl

                              Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                              http://s807.photobucket.com/user/budm/library/

                              TV Factory reset codes listing:
                              http://www.badcaps.net/forum/showthread.php?t=24809

                                Comment

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