Question about Dell E173FP 17" LCD Monitor

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I have a 1704FPT monitor that flickers a little bit then dark. Green light is still on. When I turn the power button on and off, the screen shows briefly, but then dark again. I used a flashlight, I don't see an image.

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Hello,

You have a monitor with a common problem. After a few years some LCD monitors will blow a power supply. The problem is caused by parts called capacitors overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You can take the back cover off your monitor and look for the bad parts,replace any that look like the pictues and your monitor should work fine. The capacitors do need to be installed with the correct + and -connections, note the stripe on the old one and insert the new one the same way. If you don't want to try the repair yourself we offer a repair service for $35 plus shipping. If your problem is not the capacitors then it would be the backlights and that is much more difficult to replace.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair

Posted on Jul 03, 2009

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Most likely it is the four Sanyo C5707 transistors and not the capacitors. If the green power light was on than went off I'd say capacitors, but if it stays on/green-the capacitors are probably fine.

The only place I been able to find the transistors is on ebay. They have three pins, and you have to be careful soldering as the board is very cheap and easy to damage. After replacing the 4 transistors re solder the 4 small high voltage transistors to the sides of the 4 transistors near the edge of the board between the two sets of connectors for the backlite bulbs. The transistors are in pairs on each end of a small blue box.

There is also a secondary fuse, but if you see the Dell/Genesis logo flash the secondary fuse is fine. If the secondary fuse was bad you would get no display at all.

I have fixed dozen of mostly Dell, but a few HP's and BenQ's with the same 1-3 second backlite and have had a high success rate.

Good Luck,

Matt
MilwaukeeMacRehab(at)yahoo.com

Posted on Oct 09, 2011

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