LENOVO M3A760M
Posted: Mon Apr 10, 2017 2:00 pm
PROBLEM :- NOT PWR ON
DIGNOSIS :- NO SHORTING,
POWER PIN VOLTAGE OK,
CRYSTAL CHANGE BUT SAME
Now GOING TO IO
5VSB PROBLEM
CHANGE IO BUT SAME
NOW TRACE WITH THAT PIN I FOUND ONE RES (IT SHOULD BE 10K)
BUT IT SHOW MORE VALUE ON METER , I REMOVED IT AND CHECK SAME IT SHOW MORE VALUE
THEN I PUT OTHER 10 K RES FROM OTHER SCRAP MB
NOW MB PWR ON OK DISPLAY OK ALSO WORKING GOOD
DIGNOSIS :- NO SHORTING,
POWER PIN VOLTAGE OK,
CRYSTAL CHANGE BUT SAME
Now GOING TO IO
5VSB PROBLEM
CHANGE IO BUT SAME
NOW TRACE WITH THAT PIN I FOUND ONE RES (IT SHOULD BE 10K)
BUT IT SHOW MORE VALUE ON METER , I REMOVED IT AND CHECK SAME IT SHOW MORE VALUE
THEN I PUT OTHER 10 K RES FROM OTHER SCRAP MB
NOW MB PWR ON OK DISPLAY OK ALSO WORKING GOOD