Case sudy Acer 4743Z
Posted: Mon Mar 14, 2016 4:42 pm
Case study
Laptop Acer 4743Z
problem no power
Diagnosis
No 3.3 /5v found
cswapped the 3.3 /5 Vregualator from same old board ...
board power on but 1.05 missing
found isl62881 problem ...replaced and
job done
here is the pic
Laptop Acer 4743Z
problem no power
Diagnosis
No 3.3 /5v found
cswapped the 3.3 /5 Vregualator from same old board ...
board power on but 1.05 missing
found isl62881 problem ...replaced and
job done
here is the pic