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Overvoltage - Hitech HR-TV10i

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    Overvoltage - Hitech HR-TV10i


    Hello everyone!, I have a 10" Hitech brand portable TV, model HR-TV10i, which by mistake was connected to a 19 V source instead of 5 V (used a different charger by mistake), there is a component in one voltage area that is damaged, it is a 6-pin DIP chip:

    Click image for larger version  Name:	fb6083d009564010707f24bcab81d706d6c420a0.jpg Views:	0 Size:	495.5 KB ID:	3301814

    Here is a photo of the complete mainboard:

    Click image for larger version  Name:	7fef0e88f8fcc7d39d072a38270a7491c4e4ddd4.jpg Views:	0 Size:	177.3 KB ID:	3301816

    Thanks in advance for any help!
    Attached Files
    Last edited by Usuario_X; 07-03-2024, 01:51 PM.

    #2
    The picture of the ic is not clear enough to make out the markings, can you tell what they are? You may need to clean the top with alcohol

    Looks like O???3
    Last edited by R_J; 07-03-2024, 04:48 PM.

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      #3
      Originally posted by R_J View Post
      The picture of the ic is not clear enough to make out the markings, can you tell what they are? You may need to clean the top with alcohol

      Looks like O???3
      There is another identical IC on the mainboard:

      "O1423", but there is nothing about it.

      Click image for larger version

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ID:	3301879
      Attached Files

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