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Old 05-20-2020, 04:09 PM   #1
manuel.it.solution
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Default Compaq presario CQ56 With Power Issue,schematic of mobo

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

Last edited by SMDFlea; 05-25-2020 at 02:11 PM..
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Old 05-21-2020, 06:13 AM   #2
techtiger
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Default 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 ?
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File Type: pdf quanta_ax2,_ax7_r1a_20091224_schematics.pdf (1,015.6 KB, 33 views)
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Old 05-25-2020, 10:35 AM   #3
manuel.it.solution
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Default 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
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