Had TV couple of years. The original color wheel exploded in to many pieces. I put in a new color wheel and a new lamp. Thought everything was perfect, the thing will not stay turned off. a couple minutes after you turn off TV it will turn on again on its own. Tried to unplug for 1/2 hour, but still the same result. Any Ideas?
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Sounds like a bad color wheel----remove lamp---the wheel faces it--look
for missing pieces or the wheel shattered---these are known for the
wheel making a loud high pitched sound or even a grinding sound if the
if wheel bad You Tube has video instructions for
replacing it---seen several people able to do this themselves in about a
hour. Google the model number to ("color wheel") to locate a
replacement on the internet.
Had similar problem. Thought it was the lamp. Examined old lamp but it appeared to be good. Ordered a new one anyway. Changed the lamp but the TV screen would not come on. It would make the usual noise as it was going to come on normally but it would cycle 3 times & then turn off. The LED lights in the front panel would indicate a defective lamp. Then read about the ballast. Changed the ballast & still same problem. Tried starting the TV without the lamp installed & noticed that the color wheel did not spin. Removed old color wheel & discovered it was broken. This appears to be the cause of all of my problems. I wish I new earlier of the test-turn on the TV without the lamp being installed & check to see if the color wheel is spinning. Would have save money on the lamp & ballast.
The lamp is the only thing that will cause the picture to go darker. According to the model you have the lamp part number is BP96-01472A. The noise you hear could possibly be the color wheel itself. The way to tell is when you turn off the TV the lamp stays on for about 10 seconds longer. Once the lamp shuts off if that noise goes away then it is a bad color wheel. Any noises past that would be a fan. Please take a moment to rate my answer. Thanks...
If you are using Component inputs, check to make sure that the Blue Video Cable has not backed out of its connecting jack at either end or the cable it's self being bad. If you are using HDMI I would suspect that the Digital Board being bad. It would be odd for the Color Wheel to cause the problem but cannot eliminate it as a cause. The Lamp would cause the picture to be darker but not cause a color to drop out.
I would call a professional to trouble shoot it unless you have the knowledge and the tools to do so.
Hope this helps,
There are only 2 moving parts on a dlp tv the color wheel and the fan. The color wheel needs to be replaced about every 4 to 5 years. Some start to make noise and others like mine blow up with a bang. Go to utube to get instructions on how to replace it only cost me for part $100 good luck
with lamp out (door closed) the ballast should "strike" or give an arc sound, trying to fire the lamp. If it does not do that maybe the color wheel is not spinning up - has to do that first.........then the set will try to fire the lamp
all 3 lights blinking means lamp has a fault the service manual says replace the lamp. If you need the service training manual for that model let me know and I will post the link as the training manual has excellent trouble shooting breakdowns for that model 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.