Acer aspireONe D270 No Power At All

[ry x hunter]

Good Day All Badcaps Tech Master. I received this laptop Acer AOD 270 Model
With No Power Problem. 3.3 volts and 5 volts are ok. i already try to replace BIOS chip but still not ok.. my knowledge in laptop schematic reading is not enough. i need help to evryone.. thanks

[ry x hunter]

Re: Acer aspireONe D270 No Power At All

here is the board model (DA0ZE7MB6D0)

[thronewar]

Re: Acer aspireONe D270 No Power At All

Good Day..i have the same problem the only difference is that i have a flactuating voltage and i noticed that the MOSFETS pq3 is hot whenever the power is plug-in.....thanks

[dellxps15]

Re: Acer aspireONe D270 No Power At All

did u both solved problems ?

[thronewar]

Re: Acer aspireONe D270 No Power At All

still have the problem..i am a newbie on board repair

[lezsimply]

Re: Acer aspireONe D270 No Power At All

try to replace pq3 mosfet with same value. if still getting hot check surrounding components specially caps if its shorted.

[thronewar]

Re: Acer aspireONe D270 No Power At All

thanks! i'll try to replace it when i get the parts.one more thing i notice is, if i check the voltage in from the psu adaptor the votlmeter flactuates it never steady on 19v

[lezsimply]

Re: Acer aspireONe D270 No Power At All

do you hear any buzzing sound from the brick itself?

[thronewar]

Re: Acer aspireONe D270 No Power At All

what brick? no buzzing sound.

[lezsimply]

Re: Acer aspireONe D270 No Power At All

I mean the charger.

[degutji]

Re: Acer aspireONe D270 No Power At All

Good Day All Badcaps Tech Master. I received this laptop Acer AOD 270 Model
With No Power Problem. 3.3 volts and 5 volts are ok. i already try to replace BIOS chip but still not ok.. my knowledge in laptop schematic reading is not enough. i need help to evryone.. thanks

Replace ( Bios IC from other MB ) or flashing / update the Bios ? Which one ?

[thronewar]

Re: Acer aspireONe D270 No Power At All

my mistake, i just checked the board its not the pq3 that's getting hot when i pluggedthe charger but its a 8-pin component labelled PQ38 AO4427..

[lezsimply]

Re: Acer aspireONe D270 No Power At All

then try to remove that and recheck components for short

[imranromi]

Re: Acer aspireONe la-4781p

Ok check bios

[alihomee]

Re: Acer aspireONe D270 No Power At All

if u have volts on battery connector....then try check 3v 5v on caps...if not stable just change those