Question about Proview PL913S 19" Flat Panel LCD Monitor

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Wont stay on

**Copied from another product however my problem is the same. No picture what so ever. even when shining a light into the screen. would this be an inverter issue? **


Hi, Whenever I turn on my monitor it displays the computers output briefly (~half a second) before going blank. I have tried the monitor on two other computers with the same result so it is definetaly not a computer problem. The power light on the front of the monitor stays green when the screen goes blank. Whenever I turn the power off and back on again the exact same thing happens.
Help please!


**PLEASE NOTE - This solution applies to ALL LCD's but NOT CRT's**

It's a very common problem with all LCD monitors

LCD's use four small Cold Compact Fluorescent bulbs to back light the display. (thats what gives the LCD it's brightness allowing you to see it)

The inverter board runs these lights and when they go bad they will typically show symptoms like you have or the monitor power light comes on and you have either no display or a very dim display.

If you ever have one that has no display but the power light is on you can check by shining a flashlight directly into the LCD from the front (right into the screen) if you can see an image then it's either the inverter board (most likely) or the CCFL bulbs have gone bad.

The inverter board and CCFL's are replaceable.

Good Luck,
El Duderino

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Re: wont stay on

IF there is no display even with a flashlight, the P/S board is malfunctioning. Bad capacitors or LCD driver board circuit. Mine did this and it was bad caps, 4 of 8 were bad and a burned out chip on the P/S board.

Posted on Apr 08, 2008

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