Samsung ku model fault standby mode

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • andrews7523
    Senior Member
    • Apr 2015
    • 117
    • lancashire
    #1

    Samsung ku model fault standby mode

    Hi guys I have a fault with a couple of new Samsung tv's mainly the Ku models.

    1.ue40ku6000 I've tried 2 different mainboards in this tv and it turns on and shuts off. I know the tv definitely works as I had a working skateboard in it but needed it for another tv.

    I've had this same issue with a ue55ku6470 and ue49k6300. I know you obviously need the correct main board bn numbers but I'm going through loads of damaged screen tv's just to find the correct working board even though they have the same bn numbers. I can't find any other numbers that correspond with the screen to suggest it's the right one. Hope this makes sense and thanks for taking the time to read
    Tags: None
    • Diah
      Badcaps Legend
      • Feb 2013
      • 6349
      • Germany
      #2
      Re: Samsung ku model fault standby mode

      what do you mean with turn on? back light come on then out or you are talking on the 3 LED indicator on the T-CON
      pull out the cable from Power supply to MB then tun on this is back light test should be on if they are OK
      i had faced before 2 sets KU7000 & 7090 both like want to start and reload again. both was LCD fault

        Comment

        • andrews7523
          Senior Member
          • Apr 2015
          • 117
          • lancashire
          #3
          Re: Samsung ku model fault standby mode

          These models dont have tcon boards. The backlights work on both when the cable is disconnected

            Comment

            • Nick's Tvs
              Badcaps Veteran
              • Jan 2014
              • 621
              • USA
              #4
              Re: Samsung ku model fault standby mode

              Is this the main board your tv uses?
              http://www.ebay.co.uk/sch/i.html?_fr...1233L&_sacat=0

              If so, try disconnecting half the screen (left vs right ribbon) and see if the tv still cycles. If that doesn't work, disconnected the other ribbon cable and plug the other one back in. If that still doesn't work, disconnect both ribbons and see if the TV still cycles. If you still get the cycling, then indeed it would seem as if you have a bad main board.

                Comment

                • Hamie
                  Badcaps Legend
                  • Apr 2014
                  • 1383
                  • UK
                  #5
                  Re: Samsung ku model fault standby mode

                  https://www.badcaps.net/forum/showthread.php?t=67341

                  Please read

                    Comment

                    Previous template Next

                    Related Topics

                    Collapse
                    • Document Archive
                      Samsung Galaxy Book 2 Notebook Specification for Upgrade or Repair
                      by Document Archive
                      This specification for the Samsung Galaxy Book 2 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the Galaxy Book 2 boardview and Galaxy Book 2 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
                      09-07-2024, 05:50 AM
                    • tvguy12012012120
                      Zombie Samsung UN55NU6900F dead / no standby voltage - randomly came to life after hours of troubleshooting then died
                      by tvguy12012012120
                      This is my first attempt at troubleshooting a board like this, I know I could just buy a new board but I'm curious to figure out how this works. I've been testing different components in the evenings this week and I think the problem is with the IC failing to start up for some reason. When the board is plugged in there is no standby voltage.

                      Then today it randomly sprung to life like a zombie but shortly died thereafter. I have no idea why it would have done that and its the first time I've seen it running. I discharged capacitors on the board last night, then it was sitting today....
                      02-07-2025, 05:13 PM
                    • ChristianBr01
                      LED TV Samsung The Frame 55 inch QE55LS03RAU Standby Light only
                      by ChristianBr01
                      Hello everyone,
                      I got a Samsung The Frame 55 inch TV for free from uncle cause it is not turning on anymore. I am in the second year of training as an electrician so I have knowledge already but I am far away from to be a pro.
                      The TV has Standby but ist not turning on. A Friend of mine owns a 50 inch Frame TV so I checked the One Connect Box and the One Connect Cable there. Both are good and working normally. I have opened the TV case and measured some voltages on the Board.
                      What I already found is that the 12.8V are not an the connector to the main board connector to the power...
                      04-23-2025, 01:48 AM
                    • Kaar3l
                      Samsung QLED QE65Q7FNAT only standby light
                      by Kaar3l
                      TV: Samsung QLED QE65Q7FNAT
                      PSU: BN4400940A
                      MB: BN94-12832K

                      I got the tv in spring 2024. At that time it started, then ran 60 sec and poweroff. Seemed like reboot issue. I didn't have time and room to check it in summer so I plugged it in and now the standby light is on. I press button on remote, standby light goes off and tries to start?. No picture or backlight on LCD. I thought about removing diodes like in this thread: https://www.badcaps.net/forum/troubl...sung-qled-q60r...
                      09-24-2024, 01:35 PM
                    • Document Archive
                      Samsung Galaxy Book Ion NP930XCJ Notebook Specification for Upgrade or Repair
                      by Document Archive
                      This specification for the Samsung Galaxy Book Ion NP930XCJ Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the NP930XCJ boardview and NP930XCJ schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download...
                      09-06-2024, 11:40 PM
                    • Loading...
                    • No more items.
                    Working...