Yes you need to check those transistors. Servicing Intex Multimedia Speaker By the way you can also visit this link below for more ideas:. Hi Armando, Check for bulged e-caps, bad high voltage transformer or even one of the backlights have problem. Czedric April 1, at 1: This is the time to really test your basic electronics skill because you now know at which area the fault is and you just have to use your skills to locate the exact bad component. Thanks, Jess Likes 0 Dislikes 0.
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Hi, read your article on the Dell EFPb monitor, I have one and was wondering if you could help me.
Dell E E151FPB 15″ LCD Monitor
Hey Jestine, Thanks for the detailed directions. Now we could use a 12 volt automobile brake light bulb to test at which section dell monitor e151fpb is causing the low voltage output problem. January 31, The bottom two sections have a series of horizontal black lines running through them, with a shaded area that e151vpb back and forth dell monitor e151fpb these lines. When I turn it on now there is a high pitch whistling noise, the screen is e115fpb, sometimes with coloured lines up and down the right side, stays like this for a few seconds, then turns itself on and off every couple of seconds.
dell efpb lcd monitor repair
Yes you need to check those transistors. The cause of the problem is not a bad filter capacitor, faulty power IC, defective resistor or even diode. The moments I have replaced this fet and power on, the bulb immediately light up. What you have just dell monitor e151fpb from here was that if all the suspected components tested good, the only way to reveal the truth is to direct replace the parts.
Upon first examination, all of the boards seem to be in fine condition. Removing the fuse as shown in the photo and e151fppb the bulb between the supply line and the cold ground could tell which section is giving problem. I have your lcd monitor repair and have had a fair amount of luck dlel monitors. You mean it pop up the menu by itself and the contrast setting automatic move and making the display dim? December 28, Dell monitor e151fpb if i secured the screws internally the display dell monitor e151fpb not tilt.
Nothing shows on the screen.
Dell EFPb – LCD monitor – 15″ Overview – CNET
I began to check again the defective dell monitor e151fpb fet with my analog meter and peak electronic atlas component analyzer and the result is still the same-tested good! July 25, 0. After several tries, and once the monitor was able to dell monitor e151fpb on for some time, it would usually operate normally until powered down.
Get the original number if possible. Your case could be negative picture. Joey February 7, at 8: Why the fuse break??
See details for full description. May 9, The interesting thing dell monitor e151fpb, after reconnecting the boards and supplying power, somehow the above-described problem had suddenly changed, suggesting that my tinkering around affected the problem in some way. Hey Jestine, Thanks for replying, would dell monitor e151fpb be able to tell me where I should measure and what the voltages should be?
The complaint was no power LED no light and when you test the secondary output voltage with your analog meter, you could see that the dell monitor e151fpb are actually pulsating! By the way you can also visit this link below for more ideas:.
Dell E151FPb 15″ LCD Monitor
I still could recall the first time i troubleshoot this problem. This is the time to really test your basic electronics skill because you now know at which area the fault is and you just have to use your dell monitor e151fpb to locate the exact bad component. In dell monitor e151fpb this is good news to us because we know what the next step that we should make.
Hope you enjoy this article and more good articles to come everyday! Cheers- Charles Likes 0 Dislikes 0.