[REQUEST] Tuf 517Z not turn on.

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  • kurtspirit
    Senior Member
    • Feb 2019
    • 112
    • France
    #1

    [REQUEST] Tuf 517Z not turn on.

    Hello,

    I am looking for this component please : the mark is 5X = 9C 909
    The PC is a TUF517Z and the fault is: no boot.
    The charge seems ok although the orange light sometimes starts flashing but no boot.
    This happened after an object fell on it.
    I put the CM under a thermal camera and this famous component directly rises in temperature. So I assume that it is responsible for something.
    Do you have any idea what it could be please?
    Thank you.​
    Attached Files
    Tags: None
    • mcplslg123
      Badcaps Legend
      • Jun 2015
      • 7262
      • india
      #2
      RT6575DGQW
      Measure resistance to GND on pin3 and 13 of this IC without any power source attached.

        Comment

        • kurtspirit
          Senior Member
          • Feb 2019
          • 112
          • France
          #3
          Originally posted by mcplslg123
          RT6575DGQW
          Measure resistance to GND on pin3 and 13 of this IC without any power source attached.
          Hello,
          Thank you.
          Here are results :

          Pin 3 : 8.7 kohm
          Pin 13 : 10 kohm

          I followed the datasheet to find the pins, at least, the direction to read them. If I'm not mistaken, they are in the "counter-clockwise" direction but if I reversed it, then here is the result:

          Pin 3 : 1.60 kohm
          Pin 13 : 0.01 ohm.

          To be as clear as possible (I apologize for my low level of knowledge), I add to the message a photo with the measurements indicated according to the pins.
          Thanks again.​
          Attached Files

            Comment

            • mon2
              Badcaps Legend
              • Dec 2019
              • 14003
              • Canada
              #4
              Yes, to be measured and counting in the counter clockwise direction. Dot is pin #1 and will be to the left of this marking.

                Comment

                • kurtspirit
                  Senior Member
                  • Feb 2019
                  • 112
                  • France
                  #5
                  Ok, i knew for the dot but not the side

                  So , pin 3 is 1.60kohm and 13 : 0.01ohm.
                  Thanks for sharing your knowledges and your help.

                    Comment

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