标题: SAMSUNG R480 NO POWER AND NO DISPLAY [打印本页] 作者: gu1527749 时间: 2023-11-23 10:32 标题: SAMSUNG R480 NO POWER AND NO DISPLAY I RECEIVED AN OLD MACHINE WITH NO POWER
FOUND OUT THAT 19V RAIL IS SHORT TO GROUND ,
CLEAR ALL THE FILTER CAPACITOR CAUSE TO SHOR CIRCUIT
AFTER POWER ON MACHINE HAVE NO DISPLAY
CURRENT METER IS GOOD ,CHECKING VOLTAGE ALL GOOD
TRY TO BRUSH BIOS AND MACHINE DISPLAY NOW THANKS.
