vizio m601d-a3r panel or tcon failure

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • crosstalk
    Senior Member
    • Feb 2014
    • 68
    • Usa

    #1

    vizio m601d-a3r panel or tcon failure

    Hello. I have a vizio m601d-a3r with a sharp panel. Trouble is a few horizontal lines and left side is quite dark. Backlight seems ok. I have tried cleaning/reseating the ribbon cables, but no change. Tab bonds don't seem to affect the picture either.

    I am thinking bad panel, but want to get your opinion on whether you have seen this kind of failure with a tcon.
    Attached Files
    Last edited by crosstalk; 05-24-2016, 08:00 AM.
  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #2
    Re: vizio m601d-a3r panel or tcon failure

    Horizon line like that will be the panel.
    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

    • crosstalk
      Senior Member
      • Feb 2014
      • 68
      • Usa

      #3
      Re: vizio m601d-a3r panel or tcon failure

      Thanks--I was thinking the panel also (gate drivers). I have read the long 70" vizio thread about removing gate drivers on one side. Not sure it applies to this panel, I might pull off the gate driver chip tab on the bottom of the left side just to see what happens.

      Comment

      • ReeceyBurger123
        Never Give Up !
        • May 2014
        • 7325
        • Britain

        #4
        Re: vizio m601d-a3r panel or tcon failure

        Deffo panel failure. Try removing tabs but doubt it will make it any better.
        Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

        https://www.facebook.com/Telford-Tel...7894576335359/

        Comment

        • crosstalk
          Senior Member
          • Feb 2014
          • 68
          • Usa

          #5
          Re: vizio m601d-a3r panel or tcon failure

          Thanks again. At least I didn't pay anything for it--I did have to go pick it up though.

          Comment

          • Nick's Tvs
            Badcaps Veteran
            • Jan 2014
            • 621
            • USA

            #6
            Re: vizio m601d-a3r panel or tcon failure

            Crosstalk
            I don't see lines from your picture you posted. Looks like it could be the left side LED strips going out.
            If you were to remove the panel, can you see if the left LED strip lights up?

            Comment

            • ReeceyBurger123
              Never Give Up !
              • May 2014
              • 7325
              • Britain

              #7
              Re: vizio m601d-a3r panel or tcon failure

              Originally posted by Nick's Tvs
              Crosstalk
              I don't see lines from your picture you posted. Looks like it could be the left side LED strips going out.
              If you were to remove the panel, can you see if the left LED strip lights up?
              Look closer lol, horizontal as well.
              Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

              https://www.facebook.com/Telford-Tel...7894576335359/

              Comment

              • Nick's Tvs
                Badcaps Veteran
                • Jan 2014
                • 621
                • USA

                #8
                Re: vizio m601d-a3r panel or tcon failure

                Oh yeah that first picture the white line looks like its part of the commercial but second picture I see what you are talking about.

                Comment

                • ReeceyBurger123
                  Never Give Up !
                  • May 2014
                  • 7325
                  • Britain

                  #9
                  Re: vizio m601d-a3r panel or tcon failure

                  Yeah he did say the Bl seems fine, I presume he meant on that side
                  Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

                  https://www.facebook.com/Telford-Tel...7894576335359/

                  Comment

                  • crosstalk
                    Senior Member
                    • Feb 2014
                    • 68
                    • Usa

                    #10
                    Re: vizio m601d-a3r panel or tcon failure

                    Yes--backlight is uniformly illuminating. I was hoping from the original description of the problem that the "darker on the left" description was a backlight problem.

                    Comment

                    • asot550
                      New Member
                      • Dec 2017
                      • 5
                      • United States

                      #11
                      Re: vizio m601d-a3r panel or tcon failure

                      This is a really old thread, but my panel looks almost exactly the same as yours with the horizontal line in nearly the exact same place. Did you ever figure out if it was the panel or if the gate drivers were causing an issue?

                      Comment

                      • crosstalk
                        Senior Member
                        • Feb 2014
                        • 68
                        • Usa

                        #12
                        Re: vizio m601d-a3r panel or tcon failure

                        I scrapped it as a bad panel.

                        Comment

                        • budwich
                          Badcaps Legend
                          • Jul 2015
                          • 3097
                          • Canada

                          #13
                          Re: vizio m601d-a3r panel or tcon failure

                          Originally posted by asot550
                          This is a really old thread, but my panel looks almost exactly the same as yours with the horizontal line in nearly the exact same place. Did you ever figure out if it was the panel or if the gate drivers were causing an issue?
                          Its a "panel issue"... it doesn't matter whither is a gate driver issue or "panel" problem (you threw something at the display, cracked the screen), neither are "fixable"... BUT the panel can be "saved" in these kinds of cases by removing the tabs cables from the failed side. This has been done by a lot of people and lots of thread "post this time period" that "discovered" this "technique". IF you are using the tv for just "normal viewing", odds are that you won't notice the difference between a "saved tab operation" and the original tv display.
                          Last edited by budwich; 12-23-2017, 12:46 PM.

                          Comment

                          • asot550
                            New Member
                            • Dec 2017
                            • 5
                            • United States

                            #14
                            Re: vizio m601d-a3r panel or tcon failure

                            Great, thanks budwich! Time to do some surgery on this guy! Found it in the garbage so if it doesn't work out I'm not out anything but my time.

                            Comment

                            • asot550
                              New Member
                              • Dec 2017
                              • 5
                              • United States

                              #15
                              Re: vizio m601d-a3r panel or tcon failure

                              For posterity, I was able to get things working again with the tab trick! Here's the steps for anyone that stumbles on this in the future:

                              https://www.badcaps.net/forum/showpo...44&postcount=8

                              Comment

                              • budwich
                                Badcaps Legend
                                • Jul 2015
                                • 3097
                                • Canada

                                #16
                                Re: vizio m601d-a3r panel or tcon failure

                                yep.... Lucky the "scrapper" wasn't scrapped... :-)

                                Comment

                                Related Topics

                                Collapse

                                • x_orange90_x
                                  TCL 50S535 bad tcon or panel issue?
                                  by x_orange90_x
                                  Just bought this for 10 bucks yesterday hoping to fix it. The guy said water dropped inside from a dehumidifier hose and it started showing black and white vertical bars then went blank. When I got it home and turned it on it came on fine and displayed correctly but I was noticing faint vertical bars in the image. After a little bit I turned it off and back on and it was a black screen again. I opened it up to check for water damage and corrosion but didn't find anything of the sort. I cleaned the ribbons anyway and reconnected them but still got a blank screen. If I disconnect the right side...
                                  03-29-2025, 11:02 PM
                                • advant
                                  Driving a Sharp TCON/panel with a universal main board
                                  by advant
                                  This thread is about trying to get an Universal Main Board to work with a Sharp TCON and panel.

                                  I have a Sharp LC-46D85UN TV that has had a main board issue. Since this model is from 2009, I am not able to find an exact replacement of the main board. Instead, I decided to see if I can future proof this tv by getting a Universal Main Board (T53U21.2) from China to work with the Sharp TCON (CPWBX4291TPZA) and panel. The universal main board supports a 8 bit dual channel LVDS interface whereas the TCON requires a 10 bit dual channel LVDS input. I have modded the LVDS connector to match...
                                  02-03-2020, 12:25 AM
                                • mmartell
                                  General Questions on the Relationship Between Mainboard, TCON and Panel
                                  by mmartell
                                  My goal here is to be able to use boards on hand to swap into faulty sets when the faulty board is not obvious.

                                  I will start by asking what is the format of the output from the mainboard and is it generic in any way or does it vary by manufacturer and/or model ?

                                  And as far as I know a tcon and panel must be a matching pair because the timing of the signals and the voltages required to drive the panel are specific to the panel itself. (That may be a blanket statement that isn't true in some cases where the panel creates its own sub-voltages on its panel boards?)...
                                  01-06-2024, 01:32 PM
                                • Lee M.
                                  Amazon Fire TV Omni K24NE5 tcon or panel bad?
                                  by Lee M.
                                  TV came on with BL on but blank screen. Disconnected one of the ribbon cables from tcon to panel driver board and now I have half of the screen working normally. Any way to tell if the problem is with the tcon or the panel driver board or the panel itself? Should I just replace the tcon and see what happens?
                                  05-12-2023, 05:47 PM
                                • Fly_Among_Stars
                                  VIZIO E70-E3 Half picture with half TCON
                                  by Fly_Among_Stars
                                  Hi,
                                  I have a VIZIO E70-E3.
                                  Symptoms: Black screen, no picture, but LED backlights are working.
                                  I probed the power board and voltages are as listed on the board.
                                  Main board appears fine, too.
                                  I believe the problem is either a bad T-CON board, or connection to LCD, or bad LCD.
                                  There are two separate ribbon cables feeding the LCD.
                                  If both are connected, the screen is black.

                                  If only the ribbon cable that feeds the right side of the screen (when viewed from the front) is disconnected, the left side of the screen shows picture and...
                                  04-24-2023, 08:20 PM
                                • Loading...
                                • No more items.
                                Working...