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JVC LT-65VU83B Stuck on Logo Screen—Firmware Update for 17MB120 Mainboard

letskilldahoeb1tch 51 2
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  • #1 21855040
    letskilldahoeb1tch
    Level 2  
    Hello,

    I need help with a JVC LT-65VU83B with MB 17MB120 that gets stuck on the logo screen and then goes black.
    Can anyone help me with the firmware update? Because, as I read on other posts, that seems to be the issue.

    Thank you in advance!
    AI: Can you tell how you plan to update the firmware—are you using a USB drive, or do you have access to a programmer or other tools?
    I have never done this operation before, but I planned to do it with a USB, like with a computer.
    AI: Have you already tried any troubleshooting steps like factory reset or using a different USB drive, or is this your first attempt to fix it?
    Not sure if I can perform a factory reset in the current state of the TV.
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  • Helpful post
    #2 21855184
    billobirillo
    Level 33  
    model JVC LT-65VU83B
    main 17MB120
    panel VES650QNEA-2D-S01

    how to install software
    copy the 4 files mb120_en.bin, mb120_PM51.bin, RomBoot.bin and usb_auto_update_G6F.txt on an empty usb stick
    insert the usb stick in the tv
    while holding down the ok button on the remote control, plug the power cord
    and continue to hold down the ok button until the usb recovery starts
    if the usb recovery is successful, the tv will restart in the first installation mode
  • #3 21855253
    letskilldahoeb1tch
    Level 2  
    >>21855184 Hello! Thank you so much for the clear instructions and the files provided.
    The TV recovered perfectly.

    Thank you so much.
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