LENOVO G570 NO DISPLAY ISSUE

[skbasir]

LENOVO G570 NO DISPLAY ISSUE

MB-PIWG2 LA-675AP REV 1.0

I/O- KB930QF A0

DIGNOSIS


POWER ON WITH DC IT CONSUME ONLY .065AMP THEN AGAIN SHUTDOWN

REMOVE THE PROCESSOR AND POWER ON SAME AMP CONSUME BUT BOARD CONSTANT ON

CHECKED ALL VOLTAGE OK EXCEPET VCORE AND VCCSA VOLTAGE MISSING

CHECKED ALL VOLTAGE ARE AVILABLE NEAR V CORE IC (ISL98531)


ACTION

BRUSH BOTH BIOS EC & MAIN SAME ISSUE

CHANGE THE I/O SAME ISSUE

CHANGE THE VRM IC ISL98531, AND CHECKED WITH PROCESSSOR ALL VOLTAGE NOW OK BUT NO DISPLAY

CHANGE THE PROCESSOR AND ITS NOW WORKING DONE.....

[rahulsan]

NICE POST SIR

[pdewida897]

THANK UUUUUUUUUUUUUUUUUUU

[skinnyblues]

Thanks

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[PINTUSINGH]

very good post sir g. nice job. thank u

[Juandi]

Good job

[ Post made via Android ]

[angelovergel]

Good Work nice===

[minhaj]

nice job sir

[wajhulla]

good job sir ji