Question about Samsung DLP HL-P5663W 56" TV

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Samsung 50" DLP still shuts off by itself even after replacing the lamp.

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Make sure the back cover is on properly, there is a switch built in as a safety feature.

Posted on Jul 19, 2009

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Samsung HLP5063W looses picture, turns off wont turn on and more


Ensure that the TV is off. It may be advisable to unplug the TV as well.
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 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 Replace the grill cover and the lamp door, and continue to enjoy your TV.
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.

Jan 23, 2010 | Samsung HL-P5063W 50" Rear Projection HDTV

1 Answer

Samsung DLP


Yup definitely sounds like the ballast, if not then you have a problem in the power supply. Probably some bad capacitors. Call a local tv repair shop.

Nov 28, 2009 | Samsung DLP HL-P5663W 56" TV

2 Answers

Turns off by itself


Above answers are wrong. Its actually a very basic, tiny, annoying cause. When you open the lamp door on the back of the TV, youll see a small toggle type switch that gets pushed in when the door gets re-installed and allows the TV to turn on. This is to make the power shut off in case someone tries to access the lamp with the set on. If memory serves, the toggle on my 50" samsung was blue I think. You can use duct tape or something but I actually used a very small zip tie to hold the toggle in place for a neater, less ghetto-fabulous fix. NEVER had it shut off by itself since.

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

2 Answers

I have a Samsung 50 inch DLP - I heard a pop and the picture immediately disappeared. The 3 lights were flashing on the front which according to the book said it needed a new lamp installed. I ordered it,...


Sounds like the color wheel may have also gone bad. I recently saw a 56" Samsung where the bulb and color wheel went at the same time. The color wheel could produce a crying noise while trying to spin up.

May 05, 2009 | Samsung DLP HL-P5663W 56" TV

2 Answers

Dlp samsung


There are instructions to replace the lamp in the user's manual. The light comes up but if the lamp has now already several hours of use the resistance of the lamp increases and shut down the power supply of the lamp. Second, the lamp power supply could be bad too, but lets be optimistic and just replace the lamp first.

Apr 07, 2009 | Samsung HL-P5063W 50" Rear Projection HDTV

1 Answer

I have a Samsung HLR6168W DLP that intermittently shuts itself down,the sound stops, the picture disappears, the screen goes dark but not completely off. A few moments later the picture returns, but no...


its the problem of inner lamp that is near to end of its life and it needs replacement.and what the thing is happening is the indication of faulty lamp.
how to replace the colour wheel with diagram and procedure
http://www.jangro.com/a/2006/07/24/samsung-dlp-replace-color-wheel/

how to replace the lamp in 5 minutes with diagram and procedure
http://www.jangro.com/a/2006/08/03/how-to-change-your-samsung-dlp-lamp-in-5-minutes

 
how to replace the ballast with diagram and procedure
http://www.consumermeet.com/entry/samsung-dlp-ballast.html

Mar 11, 2009 | Samsung HL-R6168W 61" HDTV

2 Answers

Samsung HLM5065W DLP shuts itself off for no apparent reason


I just had the same exact problem. New bulb and all. Tech. said it was the Light Engine assemble was going bad. Here is some photos of the Light Engine.
http://guides.fixyourdlp.com/samsung/bp96-01579a.php

Nov 22, 2008 | Samsung HLM5065W 50" Rear Projection...

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