Question about Dell UltraSharp 1900FP 19" Flat Panel LCD Monitor
I've had this since 2003 - just went dead (black screen). I understand that I can replace the ccfl lamp. Anyone know how to open the case? I've tried everything I can see... no luck
First, I would use a multimeter to verify that the power adapter is good. It should have an output of 14VDC. If it is working, the next step in verifing that it is a backlight problem would be to connect the display as normal and, with it powered up, shine a bright light on the screen at an acute angle to see if the desktop image is being displayed. If you can see the image, then it is probably the lamps or the inverter.
To remove the cover, remove the four screws attaching the base and after the base is removed the 2 halves of the cover simply snap together. Using a jewelers screwdriver, start at one corner and gently pry the front bezel away from the back, working your way around it. There are 4 locking tabs on each side and 5 on the top and bottom.
This display has 4 lamps, 2 each at the top and bottom of the display. This is the easiest display I have seen as far lamp replacement goes. At this point, all you have to do is disconnect the lamps wire from the inverter, remove the tiny screw, right below the point where the wires connect to the lamps, and carefully slide out the lamp assembly. Be very careful not to flex them while removing.
Check the lamps for burnt spots at the ends or physical damage. If the lamps look good then I would not rule out the inverter as the problem. At this point, if you are not familiar with electronics, I would seek help from someone who is.
I hope this helps.
Posted on Aug 22, 2008
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