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Never heard of a color wheel needing to be replaced. Both cooling fans need to be clean and turn easily. Color wheel fan needs to turn easily. If any one of these motors does not turn, the controller will cause a shut-down. The Xenon lamp uses high voltage to operate. If the power supply was damaged, the lamp won't light. The sparking on the ballast board indicates that dirt or dust may be causing the problem. Also, the clamping diodes and regulator may be defective. If possible, try replacing the lamp power board. Regards.
The colour wheel will not spin until the light has lit. The light will not ignite if the ballast unit detects a faulty fan, (checked) or the lamp door is open. The processor must be working as the lamp light flashes so I would say, ballast especialy if the lamp that came out is physically broken. Not cheap, even from flea bay!
MIne did the same thing, thought it was the lamp, bought a new one....still did it, figured it wasn't the ballast because the light came on for about 3-5 seconds - was told the ballast was bad, the ballast supplies high power to the lamp - if it is weak, it will not supply enough power and lamp shuts down. Bought a new ballast on Amazon for $62.00 - problem solved. I also tried a cooling fan - NOT the problem, was the ballast
Go to this website and type in your model number see what they list in parts /prices They might have free service Manual you can print out online.
1-800-638-3328 wait untill you get ballast board ,before making any desision about more parts
If it turns out that ballast didnt clear problem then return it to company.Have you Checked Lamp Fan, Ballast Fan,some DLPs will have up to 4 Fans, if fans stops cooling set will shut off
This is a DLP projection that has a ballast and color wheel along with a lamp. The three flashing lights on the front are a diagnostic code. The exact meaning is listed in the owner's manual under troubleshooting. I don't have the manual for your model with me at the moment, so I can't look it up. Since the unit works OK for a while, it suggests that a component is failing under heat stress. This is often the ballast. The ballast is the part that provides the power for the lamp similar to the ballast in a flourescent light. Check the manual for the code and post it here. Also, because your model uses 2 different ballast/lamp combinations, you will need to get the lamp number off of the lamp. Please post that here too.
In the meantime, check the rear area for any obstruction in the air flow. There should be a fan in the rear that needs to be clear of debris and can turn freely. With the set unplugged, try turning hte fan by hand. It should turn easily and continue on its own slowing down to a stop. If it stops suddenly, the fan may be defective and not moving enough air to keep the lamp cool.
You might have defective Fan if Fan stops running Lamp will not Light also keep in mind Ballast board it what turns lamp on and Fan is what keeps Lamp cool, and most of the time if set is not comming on Lamp is Bad. Call Encompass Parts 1-800-638-3228 or UED 1-800-648-6657 main 3 parts to DLP is Lamp,Ballast board ,Lamp Fan.Id say you have Bad Lamp! God Bless and hve a wonderfull Day.
If the red light stays steady, and the green light blinks 9 times then repeats, it is most likely the lamp #23311083A about $200. Otherwise, if a cooling fan is not working, it could possibly cause a shutdown problem. You can't always tell a bulb is bad by looking at it. Another possibility is the lamp ballast, but I would try a new bulb first.
Check the lamp first ,it could have blown.If the lamp looks good consider the following,The power supply gives the ballast the voltage it needs to strike the lamp,its hard to tell without doing some voltage measurements,you can not measure the output of the ballast but the voltage from the power supply to the ballast yes.
Call professional help if you are not familiar with safety when servicing tv's.