Graetz / Akai CV338H-T50 bricked after firmware upgrade

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  • Davi.p
    replied
    not vga to view, vga to program, there is a serial port o vga connector, need rt809 or ch341a, check videos, i cannot stay here explain everyyhing, boring..

    Leave a comment:


  • alltvrepairs
    replied
    Originally posted by Davi.p
    The board is smart tv so it has emmc.. but it is programmable via vga+usb..
    Yes I agree, Can I use the VGA port to view what I am doing on the board? Never used this method.

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  • Davi.p
    replied
    The board is smart tv so it has emmc.. but it is programmable via vga+usb..

    Leave a comment:


  • alltvrepairs
    replied
    Originally posted by Davi.p
    Is the firmware correct? Have you ever tried the old software by mstar in rt809 bundle software? There are several videos how to load again boot files and then start "upgrading"
    I have the ezp2010 programmer so not sure if I am able to do this at the moment Is the software in an SPI chip ? never used the RT809

    Leave a comment:


  • Davi.p
    replied
    Is the firmware correct? Have you ever tried the old software by mstar in rt809 bundle software? There are several videos how to load again boot files and then start "upgrading"

    Leave a comment:


  • Graetz / Akai CV338H-T50 bricked after firmware upgrade

    Hi,

    The original fault was set not loading completely and reboots. I have downloaded a firmware on usb, tried the upload but midway says incorrect spftware and shuts down. I have blank raster now.
    Anyone has experience on this mainboard?

    In the download there are other apart from CtvUpgrade.bin

    Click image for larger version

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