Acer Aspire 4736z no display on battery

[abbas_govani]

Hi

I had a Acer Aspire 4736z laptop working fine on dc adapter.
but no display on battery. if batter and adapter both in it works but when disconnecting adapter power off. while only on battery it power on but no display.


i had checked pq24 no power on source and gate while 1.5 on drain on battery.
while no adapter gate 1.7 and drain 1.5

[nazrul145]

Re: Acer Aspire 4736z no display on battery

Replace NEC Token with 330uf capacitor 4pcs. its solve the problem.

[abbas_govani]

Re: Acer Aspire 4736z no display on battery

replaced but now the laptop starts and switch off after 2 to 3 sen

[haw1116]

Re: Acer Aspire 4736z no display on battery

help my 4736z bfor i change the nec tokin to 4 pcs 330uf is cannot on. after i change notebook can power on and can login to windows. but just the display got problem. all background become red color only.

[Ramee]

Re: Acer Aspire 4736z no display on battery

Redo nec tokin.

Make your own thead next time

[makk2401]

Re: Acer Aspire 4736z no display on battery

hello mam/sir, I dont know how to post a new thread hope you can forgive this reply

i have an acer 4736z with power but there is no display, Im wondering if I can replace the nectokin 0E907 with 4 pcs 330 d capacitors? how should I position the capacitor? cant find the + and - signs :x

[Agent24]

Re: Acer Aspire 4736z no display on battery

Probably you should upload a photo of the board and we can help you

[makk2401]

Re: Acer Aspire 4736z no display on battery

Probably you should upload a photo of the board and we can help you

i attached it now sir. hope you can help me :x i still dont remove that capacitor from that dead mother board and i still not moving the nec

[lezsimply]

Re: Acer Aspire 4736z no display on battery

outer lines are positive. yes 330d will do. but be careful. there are 2 points under that cap, you need to be careful not to put solder on them. It will cause some power issues.