HP COMPAQ CQ57 AMD Built In CPU NO POWER
Posted: Sat Apr 09, 2016 12:07 pm
PROBLEM:- NO POWER DC JACK LIGHT NOT GLOW
SOLUTION:-
1ST I HAVE CHECK DC JACK, JACK OK,
2ND CHECK SORTING IN MOTHERBOARD, I HAVE FOUND TPS51123 IC IS HEATING WHEN INSERT DC SUPPLY,
THEN I HAVE CHECK TPS51123 TPS NOT SORT THEN I CHECK OTHER PART TO CONNECTED TPS IC,
FOUND 1 CAP IS SHORT NEAR IO REMOVED CAP AND CHECK CAP IS OK, THEN I HAVE REMOVE IO,
AND CHECK SORTING, SHORTING IS REMOVE, THEN REPLACE IO IC ITE8518E, CONNECT DC SUPPLY JACK LIGHT IS GLOW,
LAPTOP POWER ON AND WORKING OK.
SOLUTION:-
1ST I HAVE CHECK DC JACK, JACK OK,
2ND CHECK SORTING IN MOTHERBOARD, I HAVE FOUND TPS51123 IC IS HEATING WHEN INSERT DC SUPPLY,
THEN I HAVE CHECK TPS51123 TPS NOT SORT THEN I CHECK OTHER PART TO CONNECTED TPS IC,
FOUND 1 CAP IS SHORT NEAR IO REMOVED CAP AND CHECK CAP IS OK, THEN I HAVE REMOVE IO,
AND CHECK SORTING, SHORTING IS REMOVE, THEN REPLACE IO IC ITE8518E, CONNECT DC SUPPLY JACK LIGHT IS GLOW,
LAPTOP POWER ON AND WORKING OK.