asus x409dl run 3vs and 5vs problem

[ahmarzo]

have asus x409dl motherboard with no 3 vs and 5vs coming on pq8801 and pq8806.gate voltage is not coming on both transistor ans 12vs is not coming on pd8801 and pr8801,

[ahmarzo]

Re: asus x409dl run 3vs and 5vs problem

here is the link for boardview https://www.badcaps.net/forum/showth...57#post1248857

[ahmarzo]

Re: asus x409dl run 3vs and 5vs problem

Anyone plz guide me solving this problem

[mon2]

Re: asus x409dl run 3vs and 5vs problem

Remove all power. For each power rail that is missing, check their resistance to ground. Post each measurement.

[ahmarzo]

Re: asus x409dl run 3vs and 5vs problem

Thanks for reply 3vs to ground is 724 ohm and 5vs is 840 ohms .THE LAPTOP power on and 3v and 5v always voltage is present but it doesnt get converted to +3vs and +5vs.

[Bonzas]

Re: asus x409dl run 3vs and 5vs problem

Check pin 5 PD8701, 12vs generated from here. Remove PC8724

[mon2]

Re: asus x409dl run 3vs and 5vs problem

Attaching partial schematics of perhaps a similar logic board.

[bokarnold28]

Re: asus x409dl run 3vs and 5vs problem

Attaching partial schematics of perhaps a similar logic board.

please share schematic