Samsung "MU" series (UN, UA, UExxMUxxxx) fault dump IC1604 25Q40...

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  • patii
    New Member
    • Aug 2025
    • 1
    • Norwegia

    #241
    ue70ru6025k lcd cv-GN070HGJV1H BN41-2703A HELP

    Comment

    • neighbor
      New Member
      • Sep 2025
      • 1
      • romania

      #242
      Hello, here is a UE50MU7000 with BN41-02568B (after an electricity jump):
      - no stand by led light
      - power supply has 9v outputs which go to mainboard
      - without mainboard connected backlight works fine
      - without backlight connected still no stand by led light
      - dumped 24C512, 25Q40, 25Q80 (through CH341A programmer before finding this site), and flashed backup data from a UE40MU6102KXXH (which has same main board), this did not fix anything

      After reading this thread, found out there is a specific way of flashing 25Q40, so I've placed all original backups back to their chips (also tried to restore header data in 25Q40, but it did not work)
      and while doing what is in guide in 4th post, found out that QE is impossible to check. (edit: in NeoProgrammer V2.2.0.10 it's possible)

      Is there also a special way of flashing 24C512 and 25Q80 like 25Q40 requires?
      Can you please take a look at these files and see if there is anything wrong?
      Can send a thanks thru PayPal if it will fix this issue.
      Attached Files

      Comment

      • lotas
        Badcaps Legend
        • Jan 2016
        • 4740
        • Russia

        #243
        Originally posted by neighbor
        Hello, here is a UE50MU7000 with BN41-02568B (after an electricity jump):
        - no stand by led light
        - power supply has 9v outputs which go to mainboard
        - without mainboard connected backlight works fine
        - without backlight connected still no stand by led light
        - dumped 24C512, 25Q40, 25Q80 (through CH341A programmer before finding this site), and flashed backup data from a UE40MU6102KXXH (which has same main board), this did not fix anything

        After reading this thread, found out there is a specific way of flashing 25Q40, so I've placed all original backups back to their chips (also tried to restore header data in 25Q40, but it did not work)
        and while doing what is in guide in 4th post, found out that QE is impossible to check. (edit: in NeoProgrammer V2.2.0.10 it's possible)

        Is there also a special way of flashing 24C512 and 25Q80 like 25Q40 requires?
        Can you please take a look at these files and see if there is anything wrong?
        Can send a thanks thru PayPal if it will fix this issue.
        Try it, don't forget about the register status (0x88, 0x42) after writing my dump.
        Attached Files

        Comment

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