Sceptre X505BV-FHD8HJ1L01

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  • kca
    LG 82UN8570AUD ~ TCON or PANEL?
    by kca
    Hello all ~

    Hope this finds you well. This LG 82UN8570AUD (April 2021 model) 4K UHD television has full audio capabilities but video is compromised / problematic.

    When I picked up this large LG tv it had a full black screen upon startup. Previous owner said it just went black one day. No popping sound or anything else of note.

    I got the display to work by taping off several traces of the right-hand side ribbon cable on the TCON that leads from TCON to PANEL. However, despite dozens and dozens of attempts to find the right combination / range of traces taped...
    08-31-2025, 06:38 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
  • 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
  • rooprob
    a rare beast: The Scotland-made Ariston Integrated Amplifier.
    by rooprob
    Hi there

    Total noob here.
    I have been hanging on to learn more about diagnosing and fixing amps, and watching a lot of youtube.

    This one is the Ariston Integrated Amplifier. There's no model number.
    I didn't find many references online: https://www.worthpoint.com/worthoped...made-174132328.

    I've owned this one for about 15 years. It was working fine, and was put away for a long time. Today the sound can be described as crunchy. You can clearly hear music, but it's very clipped and distorted.

    When...
    04-27-2023, 04:17 AM
  • Hakuu
    LG OLED77G1PUA - No Video / Audio after a TCON Board change and Software Update
    by Hakuu
    Hi There,

    This TV was auto switching off after few seconds with some vertical lines on the screen, so got a new TCON board and replaced it.

    After replacing the TCON board it was working fine and i set it up with everything, used for few hours, then had the bright idea to update the software on it. During the update process, TV switched off and now no audio or video. No relay switch sound.

    More Details

    TV Model - LG OLED77G1PUA

    Got the same exact TCON board from TVPartsToday and replaced it. But didnt transfer the EPPROM data (didnt...
    07-12-2023, 02:37 PM
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