lenovo g530 no display issue

[skbasir]

lenovo g530

m/b- JIWA3 LA-4212P

POWER ON NO DISPLAY .500 AMP CONSUMPTION ON DC
CHECKED THE VOLTAGE CORE VOLTAGE NOT AVAILABLE

PREVIOUS ENGINEER DO ALL THE THING EVEN CHANGE BOTH ICH & GMCH AND I/O

CHECKED ONE BY ONE ALL VOLTAGE MISSING FOR GMCH. WHICH IS COMING FROM IC ISL6238HRTZ (PU6) THROUGH COIL PL8 BUT IT CANT REACH ON R186

I AM DOING ONE THING JUST JUMPER IT FROM C455 TO C510 AND CHECKED NOW VOLTAGE OK AND BOARD READY FOR DISPLAY

[esmat-fadak]

Good job

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[esmat-fadak]

What is the name of missing voltage?

[ Post made via Android ]