Question about Sharp Aquos LC-32GD4U 32 in. LCD HDTV

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Sharp LCD screen is blank when switched on

Hi All,

This problem only started recently.
I have a 32" Sharp LCD purchased about a year and a half ago, we have NTL movies etc.

The problem is when we switch the LCD on, the sound is perfect but the screen itself is blank, we have to switch the LCD on and off 3 or 4 times for the screen to finally come on, when it does, there is no issue with it.

We have obviously checked all leads etc are connected correctly and can?t see anything out of place. Have you come across this before and more importantly can it be repaired?

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Almost the same thing happened to mine...sound but blue screen saying "please wait". the picture never appeared. unplu the TV for one hour and plug it back in....IT WORKS! or at least mine does now. it was like it needed to reboot.

Posted on Sep 05, 2008

Complain to sharp---same problem--thats what i'm doing

Posted on Sep 04, 2008

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Sounds like one of three things:

1) Mainboard/Tuner problems - although I'm really only saying this because you guys seem to think its associated with your over the air channels.
<br>
2) Power board problems. You power board/inverter may be damaged in some way - blown capacitor or other malfunctions. This is very possible as this could result in the backlight turning off and the screen going black but keeping the keeping the sound. If this is the problem, it will at some time start to happen constantly. Have a pro open it up and look at the power board.

3) The backlight is defective/dying. The backlight is a set of lights that reflects through the LCD panel. If the screen looks black, but you might see a faint picture or you still hear sound, then the backlight is not on. The panel itself could be defective. You can fix it by replacing the whole LCD panel (expensive), replacing the backlight panel itself (need a busted LCD of the same size with a working backlight), or fix the backlight, which is tough and risky.

Most likely its either the power board or backlight. Either way, you need someone to open up the TV and take a look inside. Good luck! Hope it works out.

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