red verticale lines

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  • Syseng
    Lenovo P14s Gen 5 SVP unlock
    by Syseng
    This sums up discussion related to Lenovo P14s Gen5 in this thread. Credits go to Sbaro and especially Maxpower3. The locked dump is attached.

    The device is based on NM-F871 motherboard with Nuvoton NPCK397 series controller. The motherboard also contains three BIOS chips: two different Winbond chips for main BIOS and external EC flash, and also a Gigadevice chip which purpose I do not know. The password information is contained directly in controller and thus can be manipulated by reprogramming it, so reprogramming BIOS chips is technically not required, however you may wish to make...
    06-22-2025, 07:44 AM
  • Glaval
    Sony OLED XBR-65A8G 4 flashes
    by Glaval
    Hello, my Aunt recently gave me her broken Sony XBR-65A8G OLED after getting a replacement. It had a 4x led flash error, a replacement T-con didn't fix the error but with helpful info from this forum I found one of the smd ceramic caps on the panel pcb (C575/C378) on a 24v line was shorted to ground. I removed that cap and the tv turned on without error. It still had a black screen with the original t-con back in it, once I put the replacement t-con in it finally had a picture. After doing a panel refresh it had a very good picture but with a few vertical lines for some scenes. For owners with...
    01-23-2025, 04:04 PM
  • joelz
    pin Setting parameter line or set lines menu for adding ITE5571e on RT809F programmer
    by joelz
    Hi, sorry if i here to request if anyone know number of pin to set lines for reading ITE7751e on RT809F..i try to see on schematic but i dont know how to choose it..pleasee..
    11-18-2024, 06:02 AM
  • jeyoung12
    Samsung QN50Q60t lines on screen
    by jeyoung12
    Hi all
    I have lines on the screen...which is an age old problem that can be remedied by watching Youtube videos and getting out the tape.
    My issue (after successfully fixing a different sammy tv with a separate tcon board and isolating the side of the panel...):

    This tv has an integrated tcon...so it is a bit more confusing when trying to isolate the clocks.
    It has a c ribbon and i have taken each end out to see if that will isolate the lines. instead, it makes it much worse ALL over the tv!

    So....i don't know what end of the C ribbon to work with...
    02-26-2024, 10:38 AM
  • Ihandyrepair
    Samsung QN70Q6DTA Ghost or horizontal lines after tape fix horizontal line
    by Ihandyrepair
    Hi guys

    I just started fixing 4k TV few months ago. so I am still learning a lot
    I got this tv from friend complaint is ghosting or horizontal lines on image.

    never saw the original symptom but I took the tv back home. the funny part is that after bringing to home, the tv worked fine no issue for 3 weeks.
    then it started to show the ghosting white image.
    I started using the tape method, but this tv does not have a T con board and it has only 1 ribbon cable from main board to the tv panel.
    it has 3 thin small boards at the bottom of the...
    12-05-2022, 04:18 PM
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