Lg curved oled 55ec930t Power on Issue

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • trnrohit
    New Member
    • Nov 2020
    • 5
    • India

    #1

    Lg curved oled 55ec930t Power on Issue

    Lg curved oled 55ec930t not starting, When pressed power button it Powers on for 2-3 seconds. Relay clicks for on and then off click.
    Checked power supply according to OLED SMPS Testing manual. All voltages fine. Bulb test fine. Red vertical line over the screen.

    Do I have dead panel and TV does not want to start due to it?

    I have attached part and screen photos just in case you need.
    Attached Files
  • Diah
    Badcaps Legend
    • Feb 2013
    • 6363
    • Germany

    #2
    Re: Lg curved oled 55ec930t Power on Issue

    please read this threat to the end .. i do encourage you do the test i asked the owner to do at post #22.

    post the result with photos of the screen

    Comment

    • trnrohit
      New Member
      • Nov 2020
      • 5
      • India

      #3
      Re: Lg curved oled 55ec930t Power on Issue

      Originally posted by Diah
      please read this threat to the end .. i do encourage you do the test i asked the owner to do at post #22.

      post the result with photos of the screen
      Tested as per your post 22 and attaching photos of the screen. I get green, red, blue, white, black screen. All colors have NO distortion. Just getting lines in middle of the screen Did not do test points.
      Attached Files

      Comment

      • Diah
        Badcaps Legend
        • Feb 2013
        • 6363
        • Germany

        #4
        Re: Lg curved oled 55ec930t Power on Issue

        Originally posted by trnrohit
        Tested as per your post 22 and attaching photos of the screen. I get green, red, blue, white, black screen. All colors have NO distortion. Just getting lines in middle of the screen Did not do test points.
        you have Open cells line../ or visual damage at panel rand.
        you cant do any things more. just keep this test running always how long you can.. click softly with finger on the top / down screen area of the middle white line. if you have luck could be get in tact or terminated from the set (sign when other 2 color line changed ).

        Comment

        Related Topics

        Collapse

        • GLISIT
          Asus Probook P5440UF-XB74 power issue
          by GLISIT
          Hi all,

          TL;DR - this laptop is driving me nuts with the oddball power-related behaviors. Appreciate any insight you can provide!


          I'm experiencing a power issue on an Asus Probook P5440UF-XB74. Although I've worked with electronics and computers for decades, this is my first attempt at getting into motherboard-level component troubleshooting. Any help the community can provide is greatly appreciated!

          A few weeks ago I was using the laptop (on battery power) for a Zoom meeting. The battery was running very low (long meeting) but I wasn't worried about...
          01-16-2025, 02:29 PM
        • justice171
          Acer Spin 1 SP111-33 Power-On Issue (Troubleshooting Assistance)
          by justice171
          I am seeking guidance on an Acer Spin 1 SP111-33 that does not turn on when pressing the power button.

          Below are the observations and troubleshooting steps I have taken so far: Observations and Tests:
          1. Verified that all critical voltages are present:
            • 3.3V and 5V are always present if DC is plugged.
            • 1.8V on the BIOS chip is present.
          2. Checked the power button functionality:
            • When pressed, the voltage drops to 0V, indicating the button is functional.
          3. Inspected the flex cable connecting the USB, audio, and power button to JUB1:
            • Confirmed connectivity is intact, ruling out issues
          ...
          11-26-2024, 12:39 AM
        • claws77
          lenovo flex 5 14itl05 power sequence issue
          by claws77
          hi guys, my motherboard will not start no matter what
          when connected to ac power, the battery does get charge, led indicator glows red when discharged and turns white as it is fully charged.
          but rest nothing happens no sign of life.

          this laptop has one preexisting usbc power issue - so i use DCIN jack for charging my laptop.
          with this issue my laptop was unable to power ON only sometimes i just had to wait some time.
          but now nothing happens no matter how much i wait/ charge/ press and hold power button.

          i have no knowledge of motherboards ....
          10-20-2024, 02:48 PM
        • SuperJames
          Dell G3 17 3779 Weird power cycling and shutdown/restart issue
          by SuperJames
          This one's a weird one, and still unsolved despite it having gone back to Dell once.

          Specs

          i7-8750H, GTX 1060 Max Q, 500GB SSD & Seagate 7mm 1TB HDD. 17.3 IPS screen. This has the fingerprint reader in the power button.

          Backstory

          I bought this from eBay, from a wallpapering shop. £650 in 2020 which was a good price considering it's a gaming laptop. Physically it's in perfect shape, apart from the hinge mounts on the palmrest failing in the time I've had it (I have a new palmrest for it). The usual thin plastic crap modern build quality!...
          10-23-2023, 04:09 PM
        • Soulzink
          Samsug washing machine. Power supply DC41-00189a board issue
          by Soulzink
          Hi everyone,

          I am trying to fix a samsung washinmachine power supply main board.
          I already replaced it with another one to fix the machine but i want to try understand the issue with the old board.
          Therefore i hope to be able to get some help to explain what to check in order to troubleshoot.
          The power supply board reference is the following: DC41-00189a
          I have followed one thread (https://www.badcaps.net/forum/troubl...ingmachine-rel...
          04-19-2025, 06:26 AM
        • Loading...
        • No more items.
        Working...