Question about Samsung SyncMaster 930BF 19" LCD Monitor

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My sync master 930 bf

Right i had my monitor set up on my friends computer then i took it home put it on and bam! at first everything seemed normal untill the screen just went black so i switched it off then on again and i could see the windows for about 2 seconds then bam! again it just went black i noticed that the screen power light was still on and that if you looked verry close the actual picture was still there but it was as if th light was just dieing. is my monitor now buggerd or is there something i can do to fix it please let me no as i cant afford to buy another. thanks
regard carl

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Re: my sync master 930 bf

Your CCFLs might be going bad. CCFL stands for Cold cathode fluorescent lamps. These are the lamps that provide backlight for the LCD Monitor. These lamps do not last forever, and are a very common part to go bad. The circuit that provides the power for the CCFL is called the inverter, it might be going bad, but I still think it is the CCFL. Only trained techs should try and replace a CCFL or fix an Inverter. CCFLs do contain mercury, but only small amounts.

You have a backlight issue. The backlight system is comprised of CCFL lamps and an inverter circuit board.

My advise, open up the back of the LCD and see if anything is not plugged in correctly. Maybe something got knocked loose.
Try and find the inverter board, does anything look bad on it.

If you are confused by now, don't panic, just get a new LCD, and sell the bad one on ebay. There are people who like to fix them. I have repaired a few backlight issues on LCD monitors and I do work on them professionally.

Posted on Nov 16, 2007

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