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Da0r62mb6e0 no display

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    #1

    Da0r62mb6e0 no display

    Hi,
    DA0R62MB6E0 with GPU board.
    Problem had .charging dime white color.LED flashing fast not turning on.
    problem found C143 waas short, replaced it.
    now charging white to orange color for some time,than white again.stops charging.

    Board turns on

    3.3 is ok.AT pl22
    but 5VS5 pl24 only 2.35 volts. didnt found any short in 5VS5 rails
    now power at any other coils
    PCH Intel heating
    Tags: None
    #2
    Re: Da0r62mb6e0 no display

    PU10 is your 5v Regulator. What is the resistance on pin11 of this IC?? In this mb , often this pin gets shorted and the reason is always PC228 shorted/leaked. may not be the case here but worth checking.

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      #3
      Re: Da0r62mb6e0 no display

      Open the +5S5V test the Resistance to ground both sides after power the MB let the jumper open and check +5V is back if not check PC237 242 PR226 for the PCH aid it getting HOT warm ?

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        #4
        Re: Da0r62mb6e0 no display

        Originally posted by mcplslg123 View Post
        PU10 is your 5v Regulator. What is the resistance on pin11 of this IC?? In this mb , often this pin gets shorted and the reason is always PC228 shorted/leaked. may not be the case here but worth checking.
        Its 0 ohm resistor at pin 11 , PC228 is Fine.

        Comment

          #5
          Re: Da0r62mb6e0 no display

          Originally posted by mcplslg123 View Post
          PU10 is your 5v Regulator. What is the resistance on pin11 of this IC?? In this mb , often this pin gets shorted and the reason is always PC228 shorted/leaked. may not be the case here but worth checking.
          Finally board 5v .started as u said problem was of PC228, It was Tampered board someone else Replaced it with 100p/50v.

          Thanks . i have to check rest hardware and display..

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            #6
            Re: Da0r62mb6e0 no display

            good Job MCPlSlG123

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              #7
              Re: Da0r62mb6e0 no display

              Originally posted by techtiger View Post
              good Job MCPlSlG123
              Thanks bro. Quanta R62 has two typical faults-one as mentioned in this thread and the other one is blinking led on dc jack, mb dont turn on.

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                #8
                Re: Da0r62mb6e0 no display

                Hi Just want to share ( charging light blinking ) found problem at open PR100 16.5 k

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                  #9
                  Re: Da0r62mb6e0 no display

                  Right and that's IO Thermal protect circuit which prevents the EC_RST signal-the reason for dc jack light blinking.

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