That little glass only comes with the light engine. Not Available from parts distributor. Try Harding Glass or any other glass shop. They maybe able to supply if they would bother with asuch a small sale. Did you work on the Color wheel?? Dan@DBS firstname.lastname@example.org
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U hear grinding noises,squiling noise,before colors fades in&out,turn to Black&White picture,than died?Yes,than ur DLP tv have a colors wheel,it defective,require replacing.The colors wheel is spinning off of it motor axis.The tv tech,should be hire for changing the tv colors wheel.
The piece that's cracked is called a color wheel. I spoke with the parts department at optoma and they want $300 for a new color wheel for my ep 732h projector. I'm not sure if it's the same part but you can contact optoma on their website and they'll get back to you with a price quote for that part.
Do you see any light blinking at TV front? What was previous symptoms that you decided to replace lamp and color wheel? Do you have service manual/ schematics in hand? Let me know above to diagnose problem. Thanks.
Ballast Lamp provide back light in DLP TV and if its bad / broken TV wont power up. If lamp is weak, dark or less bright picture will come in screen.
Color wheel is responsible for colors in picture and if its broke, TV wont power up and common problem with color wheel is high pitch noise while it spins.
i have had this happen to me several times in the field, and if it is what i think it is, you are not going to be happy =(
inside of a DLP type TV, there is a device called a 'color wheel'... it is essentially a disc made up of different colored glass that spins really fast. this disc has 3 or 6 (depending on make/model) pieces of colored glass like pieces of a pie affixed (read: glued) to a hub.
what happens sometimes is that one of the pieces of colored glass flys out of the hub, and causes a massive unbalance in the spinning wheel, which causes the hum/vibration, and since the colored glass is missing, the colors will be all messed up.
if this is what happened, then your television will require a new DLP engine.
The color wheel has failed in youtr projector. There are 4 pieces of glass in the color wheel which fit togeter in a "pie" formation and they are red, blue, yellow & clear. This wheel is spun by a motor. The glass is glued to the motor's hub, and, when it fails the glass segments are thown off the hub. This gives you a B&W picture because all of the light is allowed to shine through the optics all of the time. Replace the color wheel with Toshiba part no: 23125963. It will be about $65. No soldering is involved, just use care with the ribbon cable to the motor. You will need a no. 2 phillips screwdriver and a set of jeweles screwdrivers to do this.
1. Look at the new lamp. make sure it still looks good. not broken with little glass pieaces in it. 2. When you turn on the tv, put your ear to the lower back part of the tv near the middle. Listen for the start up of the color wheel (a low high pitch sound only at the start up of the motor). If this is good you will here a ticking sound only if the lamp dose not light.
Now with all this info. If the lamp lights (as seen from the back of the set) and goes out after a few seconds and you did not here the color wheel spin up, the color wheel is bad.
If you here the color wheel spin up and no ticking sound, the Ballast is bad.
The ballast part no. 939P978010
The color wheel is not avialable from Mits. You will have to replaced the light engine. It cost to much. Just buy a new tv.
I have a Sharp 56dr650. The color wheel bearing failed. Sharp cares not for its customers and won't even respond to my pleads for help in obtaining the replacement. So, with that said, I went to ebay and bought a vizio color wheel (Omega TV in Hollywood, FL). Color wheel is incorrect and colors are all blue as is, so I pulled the color wheel off and did the same from the old one-BIG note, the wheels are glass and fragile, DO NOT BREAK the old color wheel! I viced the old bearing and carefully worked the shaft out of the bearing (it is snapped into the bearing). The vice distorted the old bearing but it was trash anyway. The new bearing, I broke the new color wheel off and viced the shaft. I then pulled the old bearing from the wheel. I then carefully push the old shaft and color wheel into the new bearing (you will know when it snaps in place) asserting preasure ONLY on the metal center hub with my thumb. I had to file a new slot on the cast housing as the ribbon connector is about 1/2 inch shorter on the new bearing. I installed and it all works great!!! Saved from tossing a $2,000 plus tv out! SHAME ON SHARP! Never buy another Sharp product!