Hello. I have LCD sharp lc52xd1e TV. he das not work, we chang a power supplay. but stel not working. what caind of problem can be? Thanks

SOURCE: sharp aquos lcd, 6 months old. TV will not

try unplugging tv.

SOURCE: good Day Hello Friend, I have

Hi,

This is an indication of out-of-regulation condition on the power supply board and caused by leaky/dried electrolytic capacitor on that board. It will dropped the normal working voltage and will disable the unit.

Leaky electrolytic capacitor has a physical indication of fault like bulged/dome at the top and can be easily identify through visual inspection. Let the unit unplug from the outlet for 1 hour to drain the voltages from the power supply, open the rear cover and check for leaky electrolytic capacitor on the power supply board(this is where the power cord's directly connected). See sample picture below of leaky electrolytic capacitor with dome at the top.




If you've found them on the board, replaced it with same capacitance and working voltage that is printed on its body itself. Watch the video below for more info regarding electrolytic capacitor.







Dried electrolytic capacitor has no physical indication of fault, you must have a capacitor checker to determine its condition and pinpoint the faulty one. If not available, you may replaced all capacitor in the output of the power supply board, it will not cost you much because this is one of the cheapest part on that board, cost only $4 at the most.

Jdvillanueva