Question about Dell E197FP 19 inch Flat Panel LCD Monitor

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The monitor wont come on.i noticed the power button has been pushed inside the monitor and i need to know if i can disassemble it to get i tout without hurting the monitor

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  • Dell Master
  • 1,684 Answers

Hello,

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.

http://www.ccl-la.com/blog/index.php/repairing-a-dell-e177fpf-lcd-monitor-with-power-issues/

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

  • 11 Answers

SOURCE: 15in dell monitor model e151fpb

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} 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 Replacement:

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

  • 1684 Answers

SOURCE: Power button stuck in off position on Dell Flat screen Monitor

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.

Buddy
Corporate Computer

Posted on Jun 17, 2009

budmrtn
  • 11361 Answers

SOURCE: The power button to the my DELL LCD monitor is

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.
http://s807.photobucket.com/home/budm/allalbums

Posted on Aug 20, 2010

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Certainly, if you jumper the connections to see which ones turn the monitor on or off, then you can go to an electrical supply place and get a micro switch and wire it in in place of the power button, or perhaps find a type that is flat that the power button can press. What you need to determine is if it is a push-on, push -off type switch, which always stays on or off depending on position or if it is a momentary interrupt switch where the button pressed momentarily turns it on and then releases and a second press connects the circuit to turn it off. You can do this by testing with your jumper wire, attach it and if the monitor stays on when you remove it, then goes off when you attach it again, you need the second type switch, if it goes off when removed, you need the always-on always -off first type switch. .

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You will have to disassemble and reseat the push button assembly, it is very poorly design.
http://s807.photobucket.com/albums/yy352/budm/ACER/Acer%20X223W/


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
http://www.fixya.com/support/r7406380-tv_training_manuals
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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