Overvoltage - Hitech HR-TV10i

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  • Usuario_X
    New Member
    • Aug 2021
    • 7
    • US

    #1

    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!
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    Last edited by Usuario_X; 07-03-2024, 01:51 PM.
  • R_J
    Badcaps Legend
    • Jun 2012
    • 9535
    • Canada

    #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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    • Usuario_X
      New Member
      • Aug 2021
      • 7
      • US

      #3
      Originally posted by R_J
      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

Name:	Snap_014.jpg
Views:	87
Size:	1.37 MB
ID:	3301879
      Attached Files

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