Question about Dell E153FP 15" LCD Monitor

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Monitor goes dark after a few seconds from power-up

Ater a few seconds from power-up, the screen goes dark - Green light is on - If you shine a light on the screen you can barely see the display - If you power off and on, the screen works again, then goes off I opened the monitor, pulled out the lamps to measure them (to order replacements), put it back together, and it now works fine. Any suggestions on why that may be so? In the next post, I'll describe the process. ok I have a monitor dell & him have a lock in the screen and power is up boot the screen ged dark

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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El Duderino
  • 47 Answers

SOURCE: Monitor goes blank

Sounds like the back light inverter board is bad. It's a very common problem. 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

Posted on Nov 16, 2006

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El Duderino
  • 47 Answers

SOURCE: Monitor goes blank less than a second after turning on.

Hi Abbie, Sounds like the back light inverter board is bad. It's a very common problem. 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

Posted on Nov 26, 2006

  • 5 Answers

SOURCE: E153FP Monitor screen goes black light is green

The capacitors are probably bad. It is a common problem and easily fixed by taking it apart and replacing the capacitors. Try to find Rubycon Capacitors because they very rarely go bad. Do a search on google for bad caps. I have fixed about 30 monitors this way. Dell is a company well known for bad capacitors. It may not be your problem but replacing the capacitors should cost less than $10 if you do it yourself. www.photphot.com

Posted on May 15, 2007

  • 14 Answers

SOURCE: Dell 1800FP Dark, No Power but power supply seems fine. Help!

I just repaired 3 1800FP's - all dead, no lights.
Firstly a dead 2AS01 is 95% of the problem, because some fool designer left out the protective zener diode - cheapness.
Mouser Electronics does not have this part, but lists it at 37 cents in lots of 2500, and gettable at $2.66 somewhere else.
You must also replace the two small value electrolytics near this IC, as some had an ESR of 40 where <0.5 is where it should be.
I suppose as the electro's dry out, the spikes can zap the IC. The quacks on ebay flogging 2sa01's alone, probably hope to sell you another one down the track (at a fat markup).

There are 2 'Sam Young 2200uf' electros that really should be replaced, with ESR or 2-30 ! Ideally replace ALL electros, as the others will be off - but those 4 as a minimum and using a jewelers loupe, resolder other joints on the transformer and anything that looks more dull silverish, than the rest. A 1 inch used and worn paint scraper will get the case open easy.

DANGER, CAUTION : Finally when refitting the inverter board, ensure the steel tab is over the TOP middle of the board facing away from the power socket (SO YOU CAN SEE IT) . The board sides in flat. It is possible to scew the board down with a slight bend, with the tab pressing over the pcb tracks - very , very bad!

Now all I need is for some kind soul to improve the fix by stating what the value of the missing zener should be.

PS. Just because the caps are not bulging does not mean they should be OK. Most wrecked 10 year old power supplies have better ESR's, so the electronics must be hot under the cover.
I have seen bulging caps with a GOOD ESR, and non bulging ones with an ESR of 47.

Canberra

Posted on Aug 28, 2008

  • 1684 Answers

SOURCE: Dell E172FPb monitor black screen green flashing power button

Hello,

We have a dis-assebly and repair guide posted on our web site at:
www.ccl-la.com/monitor_repair.htm
The problem is usually the driver transistors, our guide shows where they are and what to replace to get your monitor back running again.

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

Buddy
Corporate Computer
www.ccl-la.com

Posted on Jul 30, 2009

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A local TV repair shop should be able to do the reprair fairly cheap, but it's best to make a few phone calls and check they will work on an LCD monitor firstly, and secondly a rough quote.
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The inverter that runs the lights behind the screen is faulty and needs to be repaired. The lights shine from the top and bottom and reflect outwards through the panel so you can see what is on the screen. If you start the computer up, then shine a bright light into the panel you will see an image on the screen, but very feintly.
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RE:monitor goes black


Monitor going black after a few seconds can be causd by a faulty power supply or inverter. Some monitors have both as one unit.
Sometimes it is basic failed capacitors, After that then I would look at transistors.
The average monitor from 17 to 20 and sometimes the 22s have usually 4 bulbs in them. One bad bulb will also cause the inverter to not fire up.
Bad bulbs usually show pinkish tint, or flickering or are dark at center top or bottom of the display.
ebays bammbammfran

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Screen black


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