Question about Dell UltraSharp 1905FP 19" LCD Monitor

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Is there a replacement bulb for the 1905fp monitor,if so how do you get the back off to replace it

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You can get raw lamps from www.lcdparts.net
But are you sure it has lamps problem/ To get the lamp assembly out you will have to disassemble the LCD panel which I do not think you will want to do that. You need the test lamp setup to test the inverter circuits first.
http://s807.photobucket.com/albums/yy352/budm/Dell%201905FP%20Rev%20A02/

http://s807.photobucket.com/albums/yy352/budm/Dell%201905FP%20Rev%20A03/

Dell are known to have cold solder joints, shorted out transistors, bad caps.

Replacement board: http://www.lcdrepair.us

Posted on Aug 31, 2010

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Switch on my Model 1905FP Monitor is not working. Is there a recall on this? It has never worked correctly.


More likely to have board failure due to bad caps, that will be the first place to look. If you do not want to troubleshoot it down to component level, you can spend $30 on a replacement board.
http://lcdrepair.us/1704fptt-1905fp-inverter-power.html

If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Replacement board: http://www.lcdrepair.us

Dec 21, 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

1 Answer

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


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/
9_24_2012_11_31_58_pm.jpg

Jun 26, 2009 | Dell UltraSharp 1905FP 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

1 Answer

Cannot raise vertical height after pushing button on back of monitor (button stuck in)


With the monitor in the lowest position, push down slightly on the monitor and push the button in. While holding the button in you should be able to raise the monitor with your other hand. This worked on the one I have.

May 01, 2009 | Dell UltraSharp 1905FP 19" 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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