Question about Samsung DLP HL-P5663W 56" TV

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Samsung dlp HL56A65 turns off and on by itself

Hi I have bought a new dlp tv just over 30 days old, looked beautiful but then started turning off and then turning back on byitself. its weird sometimes it will stay on for over 2 hours and then just this morning, I just turned it on and not 5 minutes and it starts turning itself off and on again, consistently. I have unplugged the tv and sometimes when i plug it back in, it turns itself on right away without having to push power button, I have tried using a twisty tie to make sure the switch is all the way down, but am still having the problem, anyone else having this off and on phenomenon? please help

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  • adamkb_19 Mar 05, 2009

    definitely, have already called and there are no authorized service dealers in my area, san antoniotx. they are looking for one but if not found, i have to speak to customer resolution, i think i should ask for a different model seeing how it pooped out after 30 days.

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If it is that new you need to take it back or call the company it is under warntey.

Posted on Mar 05, 2009

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It looks power board problem.
You need to get service from Samsung.

Posted on Mar 05, 2009

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Can't see picture on my samsung tv...lamp, timer and standby light are blinking on the power button


You need to replace the lamp. Order the correct type and code number (from samsungparts.com or the store where you bought the TV). Before starting the replacement, make sure the TV has been off for at least 30 minutes and unplug the set. Remove the phillips screw that holds the lamp cover and then the lamp cover itself. Remove the two screws that hold the lamp to the housing. Pull the old lamp out by the handle. Put the old lamp in a safe place until you can properly dispose of it.

Handle your new lamp carefully (wear gloves to avoid skin oils on the lamp). Put the new lamp in the housing and close up the TV by reversing the above steps (secure screws, replace lamp cover).

I hope this helps.

Cindy Wells

Aug 14, 2010 | Samsung DLP HL-P5663W 56" TV

1 Answer

Samsung DLP turns on and off - cycle repeats


make sure put the lamp door back before trying to turn it on because they have switches on them that allow the tv to turn on. If that is ok you probably have a bad ballast.
Call a local tv repair shop to further diagnose the problem.

Dec 10, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Samsung Dlp completely shuts off and then all three lights flash


Sounds more like the TV is overheating. The lamp cooling fan may be seized or not spinning fast enough. If the TV gets hot enough to trip the thermal, it could rupture the lamp.


Sep 09, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Samsung LCD TV LE32A450 turns off by itself and then turns on


i dont know where are you from but in europe samsung gives 2 years full quarantee!try to an authorized center!withthe set give to them the quarantee leaflet and the bill from the shop!

Aug 18, 2009 | Samsung DLP HL-P5663W 56" TV

2 Answers

Have a 42 inch dlp samsung the tv is starting to turn it self off random. after being on for a long period of time


We have had the same problem with our 42" Samsung DLP - only two years old! We searched all over the internet for a list of ways to fix it. I found several things can help, including a switch that pops to the wrong position, cleaning the fan, etc. I put all the information together in a how-to format because it was so frustrating to go all over the internet looking for ideas on how to fix it.

http://www.ehow.com/how_4802985_fix-samsung-dlp-tv.html

Mar 14, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

My 56 inch hi-def projection samsung tv turns off automatically


    1. Ensure that the TV is off. It may be advisable to unplug the TV as well.
    2. 2 Using a Phillips screwdriver, remove the single screw affixing the lamp cover (the small, grill panel on the back of the set) to the chasis. There is also a grill that is held in place by tension. Just "pinch" the thumb clamp on the bottom of the grill and slide it out. This is the same procedure you would perform to change the lamp, except in this case you will not need to remove the lamp itself.
    3. 3 Inspect the spring-loaded blue safety switch to ensure it is making good contact when the panel is secured. The switch should deflect downward when the panel is replaced. If the contact with the panel is suspect, very gently bend the metal bracket on which the switch is mounted.
    4. 4 Replace the grill cover and the lamp door, and continue to enjoy your TV.
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  • 5.Check some basics first. Make sure the sleep timer on your TV hasn't been turned on, telling your set to turn off at a certain time. If your DLP TV is acting erratically, Samsung recommends turning the set off and unplugging it for 30 minutes. After 30 minutes plug it back in and turn it back on. Unplugging the set resets it, and that may fix the problem.
  • 6 Check your power supply. Make sure your Samsung DLP is securely plugged into a working outlet. Plug the TV into a different outlet to see if the problem still exists. Make sure that a fuse hasn't blown in your house or a circuit breaker hasn't flipped.
  • 7 Replace the lamp. If your Samsung DLP is shutting off or won't turn on, a bad lamp is the most likely cause. To replace the lamp, remove the lamp cover from the back of the TV by removing the screws with a Phillips screwdriver and slide it out and away from the TV. Remove the screws on the lamp assembly and slide it out of the TV. Disconnect the old lamp and insert a new lamp into the assembly. Slide the assembly back into place and replace the screws. Do the same for the lamp cover.
  • 8 Check for signs of overheating. Samsung DLP TVs generate a sizable amount of heat. If the components inside the TV get to hot, the TV will shut itself off as a protective measure. Make sure your DLP is out 12 inches or so from the wall. Make sure that all of the vents on the set are clear of any obstructions. Allow the TV to cool down for 30 minutes before turning it back on.
  • 9 Contact Samsung. If none of the above tips help, it's time to contact Samsung, as the problem is likely something that should only be fixed by a qualified service technician. More serious problems may include a bad power supply or a bad ballast. Attempting to repair those yourself will void your warranty and may cause more serious damage to your set.


  • The safety switch exists so the user does not accidentally remove the lamp door while the TV is on. Doing so could, theoretically, result in burn or electrocution. This spring loaded switch causes the TV to shut down when the door is opened.
  • Since the TV's chasis is plastic, expansion and contraction can cause the switch to lose firm contact with the lamp door. The TV's behavior could then be such that after being on for a while (getting warm) the plastic expands and the switch loses enough contact to cause the TV to shut down. The frequency with which this phenomenon occurs is not only dependent on the internal temperature of the TV, but also the ambient temperature of the room as well as the relative tension on the switch itself. The user's perception is that the TV starts up fine, but then "randomly" turns itself off after being on for a while.
  • If you have recently moved your TV, it is very common for random shut-downs to occur. This is because the move has shifted the flimsy plastic chasis of the TV, thereby loosening the contact between the lamp door and the switch.
  • Make sure your TV is off and cool when performing this procedure.
  • Mar 06, 2009 | Samsung DLP HL-P5663W 56" TV

    1 Answer

    Samsung DLP HL-P4663W


    could be the lamp, and is about time for a new one
    http://fixyourdlp.com/blog/?cat=4

    Jan 15, 2008 | Samsung DLP HL-P5663W 56" TV

    2 Answers

    Samsung dlp hdtv turns itself off


    Have a 46 inch behaving the same way. I have the extended service contract, so they are getting a calll tomorrow. I ll post what they say

    Dec 27, 2007 | Samsung DLP HL-P5663W 56" TV

    2 Answers

    Samsung HLS4266W 43" dlp


    Power issues (Tv not turning on) were typically due to faulty ballast. While the TV reports a bad lamp it is the ballast itself causing the issue. Samsung is well aware and will replace both the ballast and the lamp (since the lamp can be prematurely aged but the bad ballast). After replacment most people stop having issues.

    Dec 24, 2007 | Samsung DLP HL-P5663W 56" TV

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