Question about Dell E197FP 19 inch Flat Panel LCD Monitor
The E177fp and E197fp are identical units other than the size of the display panel. Here is a link to a repair guide for the E177fp that has videos showing how to open the unit. It should help you get your open.
Posted on Nov 07, 2012
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Posted on Jan 02, 2017
SOURCE: Power button stuck
The power button on my Dell 1905FP monitor failed with the power turned off. Following the advice posted by Guest: pried the trim panel loose using a couple of small screw drivers starting with the small slots just under the power button. As guest states in his posting, the connecting wire is very short, but does provide enough room to access the buttons lying behind the trim panel. With this access, was then able to press the power button back to the "on" position. Snapped the trim panel back into place. Monitor now works fine, though the only way to turn the power off is to unplug the power cord.
Posted on Jun 29, 2008
SOURCE: 15in dell monitor model e151fpb
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Cause of power going
off: There is a bad 1000uF, 16V cap
on the power supply board.
Solution: Replace cap. Radio Shack sells a 1000uF, 35V cap for $2. This will work.
Why did the cap go bad? The cap is too close to a heat sink and over heated.
What does this cap do? This cap sends a signal to an IC which keeps the monitor 'on' after the power switch is pushed. When the cap is weak, AC ripple voltage is applied to the IC and it sends a signal to shut the monitor off.
Opening the Monitor: These monitors are difficult to open.
The two plastic pieces snap together and must be pried apart with a flat screw driver.
After removing the stand, you need to insert a flat screw driver at the bottom of the screen where two slots are located. Then work the screw driver around until the two plastic pieces are separated.
Remove the cover plate and unscrew the push button circuit board.
Unplug the monitor cords from the driver board and remove the screen.
Unscrew the mounting screws from the power supply board and remove.
You will need to pinch the plastic support in the middle of the board to remove.
Cap is located near a copper heat sink and the value will be on the side of the cap. It will be bulged up on the top. You will see burn marks on the board surrounding the cap. Unsolder the cap.
Install the new cap and solder. Make sure you connect + of the cap to + marked on the board.
Be careful not to solder across joints.
Keep leads long so you can bend the cap as far away from the heat sink as possible.
Reassemble monitor and turn on.
This should solve the problem.
Posted on Jan 01, 2009
Does the button move at all? What model LCD is it? Most of the time if the monitor does not power up it is the power supply inside the monitor not the button sticking. The power supply can be repaired if that is the problem. Please let me about the movement on the power button and I can help you get back going with your monitor.
Posted on Jun 17, 2009
This is very common problem with this series, the plastic actuator is broken off, very cheaply made and poorly design part.
I have lo luck locating this 5-button plastic switch assembly yet.
Be real carefule when separating the front bezel from the bac cover, it has very small ribbon cable attached to the front panel switch assembly that can easily be ripped apart.
Posted on Aug 20, 2010
Tips for a great answer:
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Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: 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
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