Teac (Vestel) 55” LED tv wont turn on.

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  • Liammif
    Member
    • Dec 2019
    • 10
    • Australia
    #1

    Teac (Vestel) 55” LED tv wont turn on.

    So I recently purchased a Teac 55” LED tv manufactured by Vestel thinking it would be an easy fix, turns out I bit off more than I can chew but im still staying positive and hoping it is something I can fix and learn something from.

    So basically it has a standby red indicator and when powered on it starts to blink, back light comes on after 10 seconds and nothing happens from there. Just continues to blink and backlight stays on.

    I inspected the power supply and all the capacitors are fine etc and diodes test out okay (I think, still learning how these work) just wondering what I should be looking at/testing next or if its more likely to be an issue with the mainboard.

    The power supply is a 17IPS72 and the main board is 17MB130S

    Any help is much appreciated!!
    Attached Files
    Tags: None
    • Diah
      Badcaps Legend
      • Feb 2013
      • 6343
      • Germany
      #2
      Re: Teac (Vestel) 55” LED tv wont turn on.

      post clear photo on yours Main board and write down the chassis No of it.

        Comment

        • nomoresonys
          Badcaps Legend
          • Jan 2013
          • 12081
          • U.S.
          #3
          Re: Teac (Vestel) 55” LED tv wont turn on.

          Start with #3 below, as always BE VERY CAREFUL when working with powerboard, DEADLY VOLTAGE on the HOT side.

            Comment

            • Liammif
              Member
              • Dec 2019
              • 10
              • Australia
              #4
              Re: Teac (Vestel) 55” LED tv wont turn on.

              Originally posted by nomoresonys
              Start with #3 below, as always BE VERY CAREFUL when working with powerboard, DEADLY VOLTAGE on the HOT side.
              Hi how should I go about testing the main board as the connector is 12pin but in two rows of 6 so it is difficult to measure voltage on the leads on the bottom row.

              See attached photo
              Attached Files
              Last edited by Liammif; 12-14-2019, 10:14 PM.

                Comment

                • Liammif
                  Member
                  • Dec 2019
                  • 10
                  • Australia
                  #5
                  Re: Teac (Vestel) 55” LED tv wont turn on.

                  Originally posted by Diah
                  post clear photo on yours Main board and write down the chassis No of it.
                  There is a photo, which number is the chassis number?
                  Attached Files
                  Last edited by Liammif; 12-14-2019, 10:14 PM.

                    Comment

                    • Diah
                      Badcaps Legend
                      • Feb 2013
                      • 6343
                      • Germany
                      #6
                      Re: Teac (Vestel) 55” LED tv wont turn on.

                      Originally posted by Liammif
                      There is a photo, which number is the chassis number?
                      yours are 17MB130S which can handle 3D .. its share at many other brand TV such Toshiba..
                      Telefunken & vestel too.

                      its firmware build on 3 section
                      1- MBOOT.bin responsible on boot MB driver (this section could be corrupted at you )
                      2- MFC.bin T-CON Screen driver
                      3-INIT.bin software and other stuff of smart and apps.

                      search after firmware.. complete or part to flash it again.

                        Comment

                        • nomoresonys
                          Badcaps Legend
                          • Jan 2013
                          • 12081
                          • U.S.
                          #7
                          Re: Teac (Vestel) 55” LED tv wont turn on.

                          https://www.youtube.com/watch?v=ocqnqmBxiqY

                            Comment

                            • Liammif
                              Member
                              • Dec 2019
                              • 10
                              • Australia
                              #8
                              Re: Teac (Vestel) 55” LED tv wont turn on.

                              Originally posted by Diah
                              yours are 17MB130S which can handle 3D .. its share at many other brand TV such Toshiba..
                              Telefunken & vestel too.

                              its firmware build on 3 section
                              1- MBOOT.bin responsible on boot MB driver (this section could be corrupted at you )
                              2- MFC.bin T-CON Screen driver
                              3-INIT.bin software and other stuff of smart and apps.

                              search after firmware.. complete or part to flash it again.

                              So I gave up for a while and came back, managed to find firmware, which i thought was suitable. Installed it etc and now the tv boots up to language select and freezes. Do you think its likely I have the wrong firmware or there is an issue regarding the main board.

                                Comment

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