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samsung syncmaster 2243 shutting off


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#1 BattleSloth3

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Posted 29 June 2016 - 09:14 AM

Hi there everyone.

 

My samsung syncmaster 2243 had stopped working entirely so I opened it up and replaced the capacitors.

Now that the capacitors have been replaced the monitor will display beautifully...for a couple minutes before it flickers and then shuts off.

I've tried going to the menu and doing a "reset" but it won't allow me to select that option.

 

Any ideas? I have not been able to find anything during my research.

 

TYIA



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#2 dc3

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Posted 29 June 2016 - 11:35 AM

Were the caps visibly bad, bulging or leaking?

 

Please explain what was happening with the monitor.  

 

Did you check to see if the inverter is getting voltage?


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#3 BattleSloth3

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Posted 29 June 2016 - 11:44 AM

Were the caps visibly bad, bulging or leaking?

 

Please explain what was happening with the monitor.  

 

Did you check to see if the inverter is getting voltage?

 

None were obviously bad. I saw no bulging or leaking.

 

How do I check if it's getting voltage?

 

Before I changed any of the caps the monitor would not turn on but the power light was on. After I changed the caps the monitor would turn on like it should but after a few minutes it will flicker a couple white lines horizontally across the top part of the screen and then go so dark its almost black but from some angels you can hardly make out the image on the screen.

After the screen goes dark, it stays on for a few seconds before the power button turns off as well.



#4 dc3

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Posted 29 June 2016 - 12:39 PM

You need a volt meter to test for voltage on the inverter.

 

http://www.laptoprepair101.com/how-test-lcd-screen-inverter-in-laptop/

 

Edit:  This states that this is a laptop repair, at least the display portion.  It is the same for a LCD monitor.


Edited by dc3, 29 June 2016 - 12:41 PM.

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