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Hp 14-B171tu no Power on,Resistance blows off again and again

Posted: Wed Apr 18, 2018 9:38 am
by ganeshcell
I recieved Hp 14-B171tu.Board id is DA0U33MB6E0 REV E.
it has no power.Found PR139 22ohm burnt
replaced new and it blows of again and again
changed PU6 SLG55448VTR but same problem
i have checked whole board but cant find any shorting
plz help

Re: Hp 14-B171tu no Power on,Resistance blows off again and again

Posted: Wed Apr 18, 2018 10:35 am
by shathoppil
replace pc 108

Re: Hp 14-B171tu no Power on,Resistance blows off again and again

Posted: Wed Apr 18, 2018 12:14 pm
by ganeshcell
Replaced Sir
But failure

Re: Hp 14-B171tu no Power on,Resistance blows off again and again

Posted: Fri May 04, 2018 3:38 pm
by bluestone
There is a short somewhere on the board, sometimes its a partial short that's why its difficult to see, the only way to see it is to inject a low power from your power supply to the board