Having problems with your Dell E228WFP LCD Monitor ?

BSOD on DELL E228WFPc - goes black in a few seconds

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\015 I have a DELL E228WFPc monitor that comes on for a few seconds and then goes dark. When off for a long period of time, it would last between 10 to 20 seconds before going off. Once it went off, it would only last about 2 seconds before going dark. From all of the behavior described on this forum, it looks like a bad inverter power supply. I purchased the monitor in May of 2009 and it has probably less than 20 hours on it. It would be under warranty, but I live out of the US now in the Dominican Republic and it would not be worth the postage to send it back and forth to DELL for a repair/replacement. DELL customer service in India is also horrible and I cannot get to the right person to even get an RMA. I have little choice other than to tackle the job myself. I am an electronics engineer by background, but no longer have access to test much in the way of test equipment besides a volt meter. I went to YouTube as advised and learned how to remove the front bezel. I figured out how to get at the power supply board and remove it. I was hoping to see some obviously bad electrolytic capacitors, but they don't have any obvious problems. Do you recommend replacing the capacitors, which I would probably have to order from the US, or just getting a replacement power supply board at this point?\015

Answers :

You could have a faulty inverter board. The inverter supplies high voltage to the CCFL lamp/s, these lamps are mini fluro tubes approx 1,5mm dia. and the length of the screen.
\015\012Check the inverter output and you maybe able to get parts from
\015\012www.lcdparts.net
\015\012or from DELL
Before you go inverstigating into the inverter did you try inspecting the solder joints? If it powers up initially and then has an intermittent failure that almost always is a solder joint. Class1 and 2 soldering is garbage anymore. Just a thought though, good luck man.
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