Question about Samsung SyncMaster T240HD 24" TFT LCD Monitor

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Samsung Syncmaster T240HD LCD Turns ON itself suddenly.

My new Samsung Syncmaster T240HD LCD TV/Monitor suddenly turns ON with only sound of the TV channel & nothing on screen and then turns off in 5 seconds. It happens everyday once but at different times.

Thank you in advance.

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  • djpencho Apr 06, 2009

    It happened the same thing to me. I turned off the lcd in DTV mode, then i got away and after a little while i heard voices coming from the tv room.

    screen was black (it was off) but sound was on. red light on the touch sensor was blinking.

  • Anonymous Apr 11, 2009

    I just experienced the same problem in DTV mode. Did anyone find a solution?

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6 Suggested Answers

  • 1 Answer

SOURCE: Sound cuts out for long periods of time

I've just been having this problem (sound cutting out every now and then) and decided to get round it by plugging in some speakers to the headphone socket. While doing it I noticed that the in-built speakers would sprang back into life. Since doing this and getting the sound back I've noticed it hasn't cut out again.

I think there might be a problem in some units with the bit that cuts off the in-built speakers when you plug in external speakers. My proposed solution is to prod a mini-jack from anything into the appropriate socket (on the left of the TV) and wiggle it around until the sound springs back.

Dave

Posted on Feb 06, 2008

tantong
  • 138 Answers

SOURCE: Samsung LCD Monitor SyncMaster 203B

Hi this is the way how to examine what's wrong with your LCD monitors. After you turned it on and the screen blacked out or stopped working, you have to check that if you can see the image on the screen or not by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons or any image, there will be a minor problem. This is because of the lamps inside screen. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or burn spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so. Hope this help!! If anything I can help you with, feel free to let me know.
Thank you,

Posted on Mar 26, 2008

yooperbud
  • 8637 Answers

SOURCE: Samsung GH19LS LCD Monitor wont display computer signals

You should have received two cables with the monitor. One is for VGA and plugs into you video card or computer board . The second one is for DVI digidal video and if you have that cable it plugs into the square connector. Then if you look into your monitor manual or quick setup sheet it will tell you how to connect and set the monitor to either VGA or Digital. I'm sure that is what has to be set. Don't hook up both cables to the monitor and computer. Only use the one. Digital gives you a better picture if your computer has that function. Hope this is helpful. Bud

Posted on Jan 09, 2009

  • 1 Answer

SOURCE: Samsung 215TW Monitor Flicker

Its the capacitors on the backlight power supply. Samsung installed crappy ones and they blow up after a year or two. Change out the caps and you're good to go

Posted on Jun 09, 2009

  • 16 Answers

SOURCE: i have a samsung lcd-tft monitor (syncmaster

call on 01122222222 and take the number or address form yellow pages

Posted on Dec 22, 2009

bschilz
  • 2049 Answers

SOURCE: How can I purchase or download an owner?s manual

Here's a link to the owner's manual directly from Samsung...

http://downloadcenter.samsung.com/content/UM/200806/20080602105716421_BN59-00720E-Eng.pdf

Posted on Jan 27, 2010

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