Compaq presario CQ56 With Power Issue,schematic of mobo

[manuel.it.solution]

please I have these presario CQ56 With power problem,When I plug inn then charger the power jack led does not come on and i don't know what to measure first

Mobo number is
DA0AX2MB6E1 REV:E

Or if I can get schematic of mobo

Thanks in advance

[Techtiger]

Re: Compaq presario CQ56 With Power Issue

[QUOTE=manuel.it.solution;962922]please I have these presario CQ56 With power problem,When I plug inn then charger the power jack led does not come on and i don't know what to measure first

Mobo number is
DA0AX2MB6E1 REV:E

Or if I can get schematic of mobo

Thanks in advance[/Q


are you using a original 90W adapter ? in the MB Dc in Conn test the voltage on pin 3? after PD16 pin3 ? PQ55 supply on all legs ?

[manuel.it.solution]

Re: Compaq presario CQ56 With Power Issue

Making my checks i relies PD1 was short to ground and after changing it the motherboard is working perfectly

thanks very much for the schematic

[manana2019]

Re: Compaq presario CQ56 With Power Issue,schematic of mobo

T.q.tech tiger.