Question about Toshiba 46HM95 46" HDTV

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Bad color wheel...

The motor for the colr wheel in my 46HM95 seems to have bad bearings. But it seems that buying just the color wheel component isn't possible. They must be available as the guy I talked to said they replace them all the time, but that Toshiba just doesn't make that bit available to sell separately. He did say that he has a motor that I could use to replace the bad motor. I've got the color wheel extracted fromt he set, but I can't figure out how to remove the wheel from the motor. Anyone have any advice here? Thanks.

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  • Anonymous Mar 10, 2009

    Do you know where you can buy a colorwheel motor assembly for a Toshiba 46HM95?

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You won't be able to replace just the motor. And, its true that Toshiba has not seen fit to offer this part independently from the light engine assy. Try checking with PTS in Indiana. They may be able to fix your old wheel or sell you a rebuilt one.

michtech

Posted on Feb 14, 2009

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I have a 46hm95 tv. red light flashes 3 times, then pauses indicating color wheel problem. is this a dealer replace part or can i replace? if so, where is listing to buy part? is it worth fixing or...


Reports indicate the color wheel is sealed in the light engine and MAY NOT BE AVAILABLE AS A SEPARATE PART.

You can contact either Andrews Electronics (LA and largest OEM parts dealer in USA---some of these sets do not sell it as a part--have to buy the entire light engine which is more than the set is worth as a used set.

Google the model number with color wheel after it and you will see what I am talking about.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.

REGARDS, SD TECH

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Hi,If it seems you are experimenting a color wheel problem.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises.I found it with complete light engine assembly here: http://www.discount-merchant.com/TOSHIBA-2973026206-p/1160068.htm?Click=48173

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Good Day,
It sounds like you have Color Wheel That Going bad To verify disconnect cable Color Wheel ***'y. NO noise= bad part.

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Problem when you turn it on,


You have a bad color wheel motor. Its bearings are humming and the shifts in color are due to the speed of the motor changing. Obtaining a color wheel for these Toshiba DLPs is difficult. The manufacturer does not sell any of the most often needed components, color wheels, ballast boards separately form the light engine assembly resulting in a very expensive repair bill.

Call Toshiba. Maybe they'll have mercy on you and help with the cost of repairs.

Good Luck!

michtech

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I bought a used 46hm95 but it had a greenish "band" that streched from the upper right corner to the lower left corner. It was only noticeable on a white or light colored background, which is why I overlooked it when I tested out the TV.

I took out the bulb and shined a flashlight into the color wheel. I could see a fingerprint smudge on it. I took off the lower rear plastic panel. the rear is split into two section (the light engine is on the right. You'll have to unscrew a metal guard (three scerws), then disconnect the wires coming from the left section, and then unscrew the plastic guard that protects the lens. Then unscrew the light engine (two screws) and slide it out carefully (you don't have to take it completely out, just far enough to reach the screws to the color wheel covers). There are two covers protecting the color wheel, one plastic and one metal. Unscrew the plastic cover first than the four screws to the metal cover. I left the color wheel in place while I cleaned it with a microfiber cloth. I did pull the glass square in front of the color wheel and wiped that down too.

I put everything back together, and now the picture is perfect.

Things to remember are:
*Keep track of the screws and where they belong, as you remove them so you'll remember where they go when it's time to put things back together.
*Mark the wire connectors from any wire you disconnect in case you forget where they go.
*Be gentle with the color wheel and the glass square because they are fragile.

Hope this helps.

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