Vizio VW37L no picture after 5 min

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  • 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
  • ggil44
    Vizio M65-E0 No Picture, No Sound
    by ggil44
    Hi I inherited a Vizio M65-E0 that isn't working. It must have been dropped on the corner because I found that the infrared circuit had a capacitor with one end broken off of the board and some green corrosion around the plug to the main board. I re-soldered the capacitor and cleaned the corrosion well and tried turning the M65-E0 on and I was successful. My problem is that while the back lights come on and appear to perform local dimming there is no picture or sound. It kind of looks like you are looking at the TV through a very dense fog, where changing the input on the remote will change bright...
    09-03-2024, 08:30 PM
  • maricm
    Vizio m65-c1 picture flashing on and off on the screen
    by maricm
    HI all,
    hope someone point to the possible issue before I start buying replacement parts.
    Tv starts normal and responds to remote fine, PSU voltages mesured fine 19v was 18.9V under load and 19V with main board disconnected.
    Backlight stays on all the time,
    Sound works fine.
    screen keeps changing form black to full picture in about 1sec intervals.
    Picture looks fine with no visible artifacts.
    I have disconnected backlights and flashlight test confirmed that picture is still doing the same.


    Disconnecting left and right ribbons on...
    11-25-2023, 06:32 PM
  • jason123
    Vizio P602UI-B3 No Picture or Sound - No TCON Voltage
    by jason123
    Hello,
    Help is much appreciated as I don't have any experience with this model TV.

    Picked it up and it was smoking in the back when powered.
    Open opening the LED Driver board was charred (see last photo.)

    I noticed some blown caps on the Power board as well.

    Replaced the LED driver board, and bad caps on Power supply.

    Voltages on CN301 (upper power supply connector to LED driver board)
    X000017 - All 24.39V
    GND - 0.001
    OD - 0.015
    VSNS - 0.009 (does that imply bad backlight or bad LED Driver?)

    ...
    11-14-2020, 08:43 AM
  • 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
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