Question about Dell E173FP 17" LCD Monitor
MY *** of a boy friend had a temper tantrum and knocked over my 19 inch flat screen monitor now it will not turn on, any ideas on what is wrong or step by step instructions on how to fix it! I am computer illiterate but willing to try to fix it myself if I have some help thanks.
P.S I am not at home and cannot remember the brand name of it
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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
Hi ,my lcd screen powers up then the power light starts flashing green but still wont come on,any ideas please as i am a pensioner and cant afford a new one ,thanks graham.
Posted on Oct 14, 2008
If your screen has been damaged, you have to replace the lcd screen.
Posted on Oct 03, 2008
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Posted on Jan 02, 2017
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