Question about Samsung DLP HL-P5663W 56" TV

4 Answers

Samsung DLP - Won't Turn on, Won't Turn off, Picture Distorted

What a mess! A couple of days ago my DLP wouldn't turn on at all. When I pressed power on the remote it would turn on the lamp, the fan would come on and then it would just shut itself down. I tried to turn it on a second time and then I couldn't turn it off so I had to unplug it from the wall. Now when I try to turn it on, it comes on with a no sound and a distorted picture. Lots of black and white lines with colored grid running through it. Still have to turn it off by unplugging it from the wall. I had a tech come out today that said I needed a new DMD board and it would cost $950 to replace. He then said that he would buy it from me for $200 bucks if I decided to get rid of it....so I don't quite trust his judgement. Any ideas what is wrong?

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  • lisa_shaffer Nov 27, 2008

    I saw that you said to replace the lamp. The lamp turns on...it is about the only thing that turns on. Are you saying that even though the lamp is turning on that is the problem? You don't think it is the dmd board?

  • lisa_shaffer Nov 27, 2008

    Thanks for your help. The lamp sounded like it was not the right solution.While I don't like your answer I assumed something REALLY REALLY bad was wrong with it because of it's numerous issues . It sounds like I should just buy a new tv...UGHH!

    Thanks again

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4 Answers

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  • Master
  • 6,966 Answers

Hi and welcome to FixYa,

Initially, have to ask, any of the front LEDs blinking? If yes, any sequence in the blinks, how many times, intervals? Might just be a case of loose or disconnected connectors. Should you consider an initial DIY (do-it-yourself), all that would be done is open th back for a look & see. Any disconnection or loose would be apparent with a little tugging here and there. Of course this requires that the unit be unplugged and has been so for at least an hour. This is to dissipate any possible residual electricity inside. Additionally, this would require using an insulated rod (I use a sawed off fishing rod) to lift the wires around.

Should the above be not sufficient, then perhaps you may want to consider the services of an authorized service center rather than a freelancer.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Nov 27, 2008

  • Louie  Role
    Louie Role Dec 04, 2008

    Hi again,



    Any updates or developments so far?





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The lamp will actually last longer due to less power cycles. A DLP should be powered off for at least 30 minutes before being powered up again.
or
a capacitor in the startup circuit or a resistor which feeds a reduced voltage to an "always on" sensor relay for the standby/remote circuits..

Posted on Nov 27, 2008

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  • Samsung Master
  • 19,396 Answers

Infact it is not the lamp, experts should not comment with copy and paste from tech sites when the problem is outside their expertise.


Regarding the DMD board, the tech was honest, Samsung DLP DMD replacement range up to over $1000, depending on the model:

BP96-00678A


When you have multiple problems like in your case, where you have sound and picture problems, with the tv starting on, and the protection circuit not working.
That means that the problem can concern the Jungle IC, located on digital board, and not on the DMD board, this sometimes happen.

Sure, in one case or the other this is not going to be a cheap repair.

Try calling Samsung and ask a quote for a warranty extension.

a warranty extension can be cheaper than a single repair, and will cover the TV for one extra year, covering a factory repair for the current problem.

Posted on Nov 27, 2008

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  • 248 Answers

Replace lamp.


Rear Projection Televisions are not like other televisions that can run maintenance-free for 10 years or more. They need to have their lamps changed on occasion, and most have air filters that need to be cleaned every month or two. Lamps typically last about 8,000 hours on most models high end models, some of the cheaper models last only 1,000-2,000 hours. Newer LED technology based lamps last up to 20,000 hours. Keep in mind however that some lamps won't make it all the way to their estimated life spans. If you operate your LCD or DLP TV in a warm environment that is not adequately ventilated, or at higher elevations, this can reduce lamp life. Failing to keep the air filter clean may reduce lamp life as well. And some lamps will just fail sooner than others--estimating average lamp life is not an exact science and testing methods vary greatly among manufacturers.
Considering that the average viewer spends four hours per day watching television most lamps in high-end LCD and DLP TV models should last about 5.47 years and the low end models and over 7 years for LED based lamps. However normal DLP televisions could need lamp replacement in as soon as 9 months if you watch a lot of TV.

How to Get the Most out of Your Lamp To extend the lamp life of your rear projection television one recommended action is to change the default color setting (and contrast) you are using to watch TV. Most rear projection televisions are delivered with their color setting on the brightest picture setting, which can reduce the estimated lamp life to less than half. The manufactures set it to the highest contrast and brightness settings because it looks best on the showroom floor of your local electronics store.
Most rear projection televisions come with three presets. For example, the Sony's LCD rear projection TVs has three presets Vivid, Standard and Pro. Vivid is the preset the KDS-R60XBR1 is set to when first taking it out of the box. The "Vivid" setting will lessen the life of the lamp to approximately 3600 hours because it is the brightest setting. The "Standard" setting will extend to about 5300 hours of lamp life and "Pro" will further extend the lamp life to around 8000 hours. No matter what rear projection TV you own, changing the picture setting to normal or standard will lengthen the life of the lamp. Decreasing the contrast setting to around 50% will accomplish the same.


Here is a checklist of what to do to get the most out of your lamp:

  1. Check out the presets and select the setting with the lowest light output.
  2. Once you've done that adjust the brightness down to your liking. The lower the brightness the long the lamp will last.
  3. Check and clean the air filters on a monthly basis. Having a clean air filters means that your lamp has better airflow. Air is what is used to cool the lamp and the cooler your lamp runs the longer it will last.

Posted on Nov 27, 2008

  • Paulito Manuel
    Paulito Manuel Nov 27, 2008

    Each owner's manual for a rear projection TV comes with instructions
    on how to replace the lamp. Here are the typical steps for replacing a
    lamp.


    1. Turn your TV off. Let it sit there for about 5 minutes to let the cooling fan help cool the lamp.

    2. Unplug
      your TV from the power let it sit about another 30 minutes. Even with
      the TV turned off power is still going to the lamp and the lamp
      receptacle can still be hot enough to burn you. Even if you think that
      the lamp is cool I recommend that you do not touch the receptacle.

    3. Usually
      the lamp has a cover that you will need to unscrew. Most manufactures
      use a Philips head screw for holding the cover shut. Unscrew the lamp
      cover.

    4. Unpackage the replacement lamp. Be careful not to tough the glass, as oil from your fingers can damage the lamp's surface.

    5. Pull
      the lamp out. Most lamps have a plastic tab or hoop on the handle that
      you can use to pull it out. Follow the owners manual for specific
      instructions on how to pull the lamp out. Make sure you do not touch
      the surrounding lamp housing if you just turned off the TV. It can burn
      you if it is hot.

    6. After the lamp has cooled, place it into the empty box of the replacement lamp. Never put the used lamp into a plastic bag.

    7. Using
      the guiding post also called "gutters" by some manufactures slide the
      lamp replacement lamp in pushing it until you hear a firm click.

    8. Screw the lamp cover back in.




  • Paulito Manuel
    Paulito Manuel Nov 27, 2008

    Yes...

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