Question about Samsung DLP HL-P5663W 56" TV

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Set turns off

My set turns off by itself after a while. I have to keep turning it back on.

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The first thing that springs to mind is the "Sleep Timer" is active.. ON, it needs to be set to OFF, have a look in ya manual regarding ya Sleep Timer setting.. That may indeed be ya problem. If that ain't it.. then ya got some sort of "Protection" circuitry coming into play it sounds like...& OR a Component starting to fail when it heats up. With these latter ones, it is gonna be a job for the "Shop". If it is, ensure ya get a firm "Quote" and an explanation of what was done etc.

Posted on Sep 01, 2007


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I am afraid I have no idea on these machines though I had a quick look on their website to read an instruction book on a couple, as a former service engineer and a bit long in the tooth I have never liked items that can turn on alone, but times change.
Well two things strike me one is you can set a time for it to come on in its settings, or locate the system reset default also in its menu.
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Try setting a larger fan at the rear of the set pointed toward any vents you see on the lower cabinet area. If that allows the set to run longer than before, then the internal cooling fan has failed.
Those sets have hot spots in them and quiet fans to keep the air circulating.

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Over tv its getting aoutmatically off


Put your hand on the back of your TV to check for overheating, if your set keeps switching itself off without warning.

Many TV sets come equipped with a safety feature that switches the power off if the set gets too warm.

Check the cooling vents located at the rear of your unit. Vents can collect dust and dirt, resulting in the fans becoming blocked and failing to work properly.

Remove dirt from the vents with a damp, clean cloth. Ensure the air conditioning is kept at adequate levels in the room where your TV is located. Keep the drapes shut on hot, sunny days to keep the room cooler.

Check the sleep-timer function on your TV if it keeps turning off. A sleep-timer is used to turn a television set off after a certain period of time has elapsed. If the sleep-timer is not turned off, your television will continue to turn itself off after a certain period of time.

If the problem persists,then a heat sink has gone bad.

The on/off button simply toggles a low voltage circuit that powers your tv. If it is dusty, it may complete the electrical circuit and send a false signal.

Take a can of compressed air, open the back and clean the dust off the circuit boards.

NOTE;opening the TV VOIDS warranty!!

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1 Answer

Keeps turning itself off with a red light next to

have you changed the lamp in this set. If you look by the red light it probably says lamp

Aug 07, 2009 | Televison & Video

1 Answer

No video, shuts off then back on

I checked Toshiba's website and found the manual for the set. The self restarting was indicitive of a lamp failure. The red light was solid while the green light blinked. It would then restart 8 times before both lights would then begin blinking.

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Our set turns itself off by itself. Prior to this happening, it goes to a green screen. It usually happens after the set has been on for a couple of hours. We bought the set in April, 2004 and the warrantly has now expired. The longer we keep the set on, the more it turns itself off. Is this a tuner, on/off problem or the tube? Any estimates for repair?

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My TV turned itself off and it keeps doing so everytime I turn it on

You have the VS 18 chassis mitsubishi That set will flash a 2 digit code. This could be 12 meaning no faults detected or a 21 which means Xray protection . However i feel it is putting out a 12 no fault recognized cause your set is jumping. that is a vertical sync problem. Do you have the service manual for your set? With the service manual I could probably help you diagnose your set.. You can get a manual for 10 or 12 dollars at the following link if you'd like one to try to diagnose your set. They will email the manual to you also if you would like.

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Mike, Most PocketPC's will turn themselves on in certain situations: - A taks reminder is initiated - An apointment reminder is initiated - You syncronise your PDA with your PC These are just a few examples. However the PDA should turn itself off after a given amount of time, unless set to do otherwise. Go to your system settings, power, and change the time in which your device turns off. It may very well be that it's set to never switch off.

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