Question about CTX S762A 17" LCD Monitor

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Monitor turns off

I have a problem,my monitor turns off every 30 minutes automatically and tuns on after about 3 seconds..what should i do?

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Re: monitor turns off

Sir\maam i think there something wrong with the power supply of your laptop,,tv kindly check the power supply section,,,hope to help you thnkzz??

Posted on Jan 29, 2008

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5 Answers

My monitor turns black automatically after about 3 seconds. Removing the power cord doesn't work. Resetting the settings doesn't work. Turning it off and on again will make it work for 3 seconds...

LCD monitor? More than 2 years old?
If yes, then 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:
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:
Failed TV and Monitors pictures:

Learn about bad caps:

Capacitors kit: he can make you a set of caps for you.
Or 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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1 Answer

Proview Monitor Blank display after 3 seconds issue

First place to look will be the power supply section, look for bad caps (bulging tops or bottom seals), the post back what you see so we can guide you further for direction such as voltage checking, see example of failed monitors due to bead caps:

Jan 28, 2010 | Xerox XG-91D 19" LCD Monitor

1 Answer

I have a acer AL2216w. it randomly shuts itself off

Replace the following capacitors:

3 pcs. - 220 microFarad - 25v
2 pcs. - 1000 microFarad - 25v
1 pc. - 2200 microFarad - 25v

Resolder the 2 inverter transformer's legs.

Triangle Tech Whiz

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1 Answer

Monitor goes to sleep after 30 minutes vl1919

Welcome to FixYa! The default power saving feature is turning the monitor off. To change the settings go to the Desktop>Right click on it>Properties>Settings and you will see power saving settings where you can choose "Never turn off" or a longer time interval. These settings can also be found in your Control Panel for all of the Power Saving features for the computer, monitor and hard drive. Steve

Jan 03, 2009 | Princeton Digital VL1916 19" LCD Monitor

1 Answer

Monitor image comes up, then blacks out, power still on

Hello David,

This is very common problem and is heat/age related, but It can happen to monitors that are no more than a year old. It is usually bad capacitors on on power inverter board. I just fixed two monitors with this problem. This problem is common across all brands. Look for several radial capacitors in a cluster on the power inverter board. If some are bulging or have a slightly domed top, they are the ones that are bad. I usually replace all the capacitors in this small cluster because some may be marginal. This is easy to do if you have a bit of electronics skill.

Dec 27, 2008 | Rosewill MNTR |LCD 19' 8MS DVI R912E...

1 Answer

Samsung LCD 192N After 30 Min or so it starts flikering on & off.

The capicators on the internal power supply are overheating. You could get it repaired or find a way to cool the unit.

May 12, 2008 | Gateway FPD2275W LCD Monitor

1 Answer

On off problem

Sounds like it's faulty. is it under warranty?

Feb 20, 2008 | ViewSonic VX924 19" LCD Monitor

3 Answers

Screen goes black after a few minutes, switching off and on and picture returns then goes black again


I have problem with my monitor, it is automatically switching off and switching on for 2 to 3 minutes for every 15 minutes why ?

Please mail me the solution to

Oct 21, 2007 | Relisys RLT1720 17" LCD Monitor

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