Mitsubishi LCD LT-40134 vertical lines left side

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
  • m330437
    New Member
    • Nov 2013
    • 2
    • United States
    #1

    Mitsubishi LCD LT-40134 vertical lines left side

    Hi everyone,
    My $1600 Mitsubishi 2008 LCD LT-40134 has solid vertical lines that start 3.5 inches from the left edge and continue for 14 inches, which is exactly middle of screen. They are not on the screen when the tv is first turned on. They typically appear after the set has been on for 30 minutes or longer, and do not disappear. What do you think the problem is, and could a mediocre handyman repair it himself?

    Thanks for any help!

    Jim
    Tags: None
    • mmartell
      Badcaps Legend
      • Oct 2013
      • 3189
      • Canada
      #2
      Re: Mitsubishi LCD LT-40134 vertical lines left side

      Look up "tab bonds". You have to tear down your tv and see if these cables are not making good contact. In my case they were simply overheating and cooling them down restored the picture.

        Comment

        Previous template Next

        Related Topics

        Collapse
        • Stanley1843
          Screen Display Vertical Multicolor Lines
          by Stanley1843
          Hello, I have a screen in where sometimes when I open it pop-up vertical multicolor lines (I would say the most of them are green). If I tun off and turn on the screen the lines dissapear or if I leave open the screen after approximately five minutes the lines gone. I measured the below voltages on the main PCB and on the T-CON board and the voltages are the same when it doesn’t display the vertical lines and when it displays the vertical lines. Also, I cleaned all the connectors very good with IPA. I moved back and forth the connectors and the COF tabs but the vertical lines didn't displayed...
          06-29-2024, 11:54 AM
        • howardc64
          TCL 55S425 few horizontal lines, potential failure on both side of panel/buffer board
          by howardc64
          All left and right refers to looking from rear of TV (or looking from front with TV upside down)
          • TV came with vertical bars and no image. Found faulty TVS on left buffer board. Also replaced T-Con (may have damaged the original while hot air removing components, board has slight warp) and have full image but few horizontal lines on the screen. Some of the lines appears to be 2 pixel tall while others are 1 pixel tall.
          • Disconnecting left and right buffer board potentially reveals problems on both sides with different signals (unless this T-Con require jumper like Samsung FB_TRDY1&3) Fault
          ...
          07-24-2025, 05:17 PM
        • howardc64
          Samsung QN75Q6FNA backlight no display, red LED blink 2x, fault in panel
          by howardc64
          • Prior owner tried a replacement main board. No difference.
          • Samsung 2x red blinking standby LED = panel fault
          • Jumpered FB_TRDY_1 (pin 1 CN1300 left. main tcon->left side buffer boards) and FB_TRDY_3 (pin 95 CN1301 right. main tcon->right side buffer boards) This allows testing individual T-Con (on main board) connection to panel on this Samsung. Found fault on left side (viewing from rear of TV)
          • Each side has 2 buffer boards, disconnected left side flex between 2 buffer boards. Fault is on the left most board.
          • Tape masking eventually isolated to CN1300 pin 15 (CKV4_GOA) Display
          ...
          07-19-2025, 10:54 PM
        • x_orange90_x
          Vizio V585-J01 dancing lines and image doubling
          by x_orange90_x
          I got this tv yesterday and it shows a screen full of colored vertical bars and horizontal lines that move, change, and dance around. When the set is powered on there is a slight buzz from the tcon. I removed one ribbon at a time and this was the result:

          Right side connected, left side disconnected = half image on right (somewhat distorted, see photo attached) white screen on left. NO buzzing from TCON

          Left side connected, right side disconnected = right side black, left side white with distorted horizontal lines near top of screen. Buzzing from TCON

          I swapped...
          06-12-2024, 07:57 AM
        • visionbluedemon
          Help. Sony kd-65x85dj vertical lines
          by visionbluedemon
          First. it has no picture at all. i solved it by covering the ckv lines using tape to to block the connections

          Second. now has picture but with vertical lines that follow the image. tcon board ic overheating

          tried blocking LC lines too, but same results



          is it lcd panel issue or tcon board issue?...
          07-25-2025, 04:56 AM
        • Loading...
        • No more items.
        Working...