IndiaReFix - Laptop & TV Repair Forum

[hidden]dear friends,,,,
today i m facing no pwer issue in acer aspire 5740 [wistron jv50- cp]
when attached psu its take 0.009 amps..and no led glow... then i m checking vin volt its ok
after that checking 3d3v coil and 5v_pwr coil and its 0 volt on both coils... so i m checking whole smps section ....first of check DCBATOUT = 19v ok,,,
3D3V_AUX_S5=3.3v ok,,
5V_AUX_S5=5v ok.,,,
51123_VREF=2v ok
then check,,, EN0==5.25v ok
ENC=== 0v and its coming from i/o ic... its S5_ENABLE now i thing may be its i/o chip problem but before change chip reprogram ec bios may be its corrupt...
so i m flash ec bios and sovled problem S5_ENABLE it come and thats why all voltages come like
3d3v==3.3v 5v_pwr ==5v and iits indicator light come with different amps..its 0.024... now switched on and workin fine....thanks....[/hidden]

very nice case ..and your case understanding ...

thanks javed sir,,,,

Nice....

[ Post made via Android ]

very good case sir

understanding case study sir

nice sir ji

[ Post made via Android ]

thanks

thanks for sharing good job and description

Thanks