Question about Dell UltraSharp 1905FP LCD Monitor

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How do you replace a power supply unit in a 1905fp Dell Moniter?

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Here is a link to a full repair guide that shows how to open the unit remove the power supply and what components to replace to repair the board. Repairing the board is much cheaper than getting a new board. Below is also a picture of the board with the problem capacitors circled in yellow, these parts are the most common problem with the board.



http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/
How do you replace a power supply unit - 9_24_2012_11_31_58_pm.jpg

Posted on Sep 24, 2012

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Posted on Jan 02, 2017

  • 46 Answers

SOURCE: dell moniter

The power supply has most likely gone out. Check for 12v and 5v output and also the solder arround d903 and d907. The site www.lcdrepair.us sells the part as well as a repair kit and has instructions.

Posted on Jun 21, 2008

  • 3 Answers

SOURCE: Dell 1905FP Monitor - power supply

Can also be the lamp of the monitor that is slowly dying

Posted on Jun 06, 2009

benwabnick
  • 2404 Answers

SOURCE: i have a dell moniter 1905fp and it is flash the

I think the monitor may be bad but try this for me. Try another known good working monitor on the computer. If the computer boot up into windows without all the flashing going on then that means your original dell monitor is bad.

If your known working monitor flashes as well then that means your video card is bad and would need to be replaced.

Posted on Jun 20, 2009

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1 Answer

CAN'T GET THE MONITOR OUT OF POWER SAVING MODE


Hello,

If you have a blinking power light and no display even when you first power up the unit then its not in power saving mode. The blinking power light indicates a failure of the filter capacitors on the power supply board. This is a very common problem with LCD monitors after a few years of service. The power supply can be repaired by just replacing the defective filter capacitors. Here is a picture of the power supply board with the bad caps circled in yellow and below that is a link to a full repair guide showing how to open the unit and what to replace including a full parts list.


9_24_2012_8_54_49_pm.jpg

http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

I hope this helps you out,
BuddyMc

Feb 11, 2011 | Dell UltraSharp 1905FP 19" LCD Monitor

2 Answers

The screen flashes on my Dell 1905FP Monitor, Is there a fix?


Hello,

This is a common indication of bad filter capacitors on the power supply board. Below is a picture of the power supply board with the problem capacitors circled in yellow. The repair is easy, you just need to replace those capacitors and the unit should be as good as new. Below the picture is also a link to a full repair guide showing how to dis-assemble the monitor and what parts need to be replaced. the repair guide has a full parts list for the job.


9_24_2012_10_46_26_pm.jpg

The repair guide can be found here:http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

Mar 26, 2010 | Dell UltraSharp 1905FP 19" LCD Monitor

1 Answer

Monitor stays on for two seconds and cuts off.


First place to look is the caps in the power supply section, look for caps with bulging top, replace all will be best bet even you only find one bad cap. Here are the boards (there are two versions): http://www.lcdrepair.us/1704fptt-1905fp-inverter-power.html

http://www.lcdrepair.us/1905fp-inverter-power.html

Worst case will be bad lamps.

Feb 18, 2010 | Dell UltraSharp 1704FPT 17" Flat Panel LCD...

2 Answers

My Dell 1905FP 19 monitor went black & green power light flickers


It sound like a short circuit. I had this problem with 1907FP model. It had an USB port on the monitor which got damaged and it was shortening to the groung. In your case it might be a bad internal power supply board.

Nov 20, 2009 | Dell UltraSharp 1905FP 19" LCD Monitor

2 Answers

My Dell 1905FP LCD monitor Power light blink on startup


Hello,

This is a classic symptom of filter capacitor failure on the power supply board. The Dell 1905FP and 1907FP both use the same power supply and this type of failure is very common. You can repair the unit by replacing the filter capacitors on the power supply board. Here is a picture of the board with the problem capacitors circled and below is a link to a repair guide for this series monitor.


9_24_2012_8_40_16_pm.jpg

http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

I hope this helps,
BuddyMc

Nov 14, 2009 | Dell UltraSharp 1905FP 19" LCD Monitor

2 Answers

I have a dell moniter 1905fp and it is flash the main screen. any suggestions


Had the same problem on my Dell E178FP and I made a video on how I fixed it.

Jun 20, 2009 | Dell UltraSharp 1905FP LCD Monitor

2 Answers

My dell 1905FP power button flashes green and will not turn off, the screen is black.


Hello,

This is a common indication of a failure in the power supply. There are parts called capacitors that are used in the filter section of the power supply, when they go out the power supply can't properly turn on so you get no picture and a flashing power light. Here is a picture of the power supply board with the problem filter capacitors circled in yellow and below the picture in a link to a repair guide with details dis-assemble and repair instruction along with parts list for the Dell 1905FP and 1907FP models.


9_24_2012_11_00_25_pm.jpg

http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

Mar 25, 2009 | Dell UltraSharp 1905FP LCD Monitor

5 Answers

How do i open the cover to a Dell 1905FP Monitor


The front bezel snaps off. Power supply access requires dissassembly of screen from electronics cage.

Dec 13, 2008 | Dell UltraSharp 1905FP 19" LCD Monitor

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