Question about Samsung HLP4663W 46" Rear Projection HDTV

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Can you help

My tv won't turn on, I have already replaced the ballast and the lamp. Well I checked the color wheel and it wasn't spinning when I push the power button. I checked and the color wheel is getting power.I removed the color wheel and when you spin it by hand it has a dry metal to metal sound, but it still spins freely.
Do you think the color wheel is the problem?
Thanks

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Hello Brandon B
Great Job at trying to fix your own TV.....Bravo!! Ok, you may very well have a bad Color wheel. You have already change your Ballast and Lamp. The lamp would have been my first step. If you have a defective color this will surely cause the set not to come on. The DM board detects what going on with the color wheel and will not start the lamp. There are 2 types of color wheel listed for this TV.

List price $100
BP96-00674A COLOR WHEEL (FOR TYPE L3 VERSION PW03 UNITS)
Can you help - d6065dc.jpg
List price $100
BP96-01103A COLOR WHEEL FOR TYPE L6 VERSION PU01 UNITS

Best regards
circuitcity

Posted on Jun 22, 2008

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Slinteriors
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SOURCE: I need help with my DLP TV

If you have verified the votages are there at the color wheel and its not spinning the color wheel is most likely defective. the sound you hear when spinning by hand is most likely the bearing but that shouldnt stop it from spinning. but as i said if the supply voltage is present but it still wont spin. the color wheel must be defective.

Posted on Jun 20, 2008

  • 1 Answer

SOURCE: My DLP TV wont turn on.

As part of the power up sequence on the Samsung HLP-4336W the lamp isn't turned until timing pulses are detected from the color wheel. The color wheel motor is powered through the flat brown four conductor ribbon cable and the timing pulses are detected over the the three conductor ribbon table.

Posted on Jul 06, 2008

  • 31 Answers

SOURCE: TV will not turn on, Have three blinking lights, lamp won't turn on, color wheel isnt spinning.

the color wheel wil need to be replaced soon if it is doing that. it could be then DMD board as will.

Posted on Aug 14, 2008

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You are on the right track for the repair of the set.
You should be able to hear the color wheel spin up as the lamp begins to glow. If it is not spinning then that is the first thing I would replace. During the power on sequence, if the color wheel is not detected as spinning, the set will turn off the lamp.

Since the lamp is firing up, I would not suspect the ballast. I would say having a spare ballast and lamp is very good idea for these televisions.

I have repaired these sets before and have ended up replacing the lamp, ballast, and color wheel all at the same time.

I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up) If you cant rate this post with the highest rating, then please comment to this post and I will try to help you further.

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If you have verified the votages are there at the color wheel and its not spinning the color wheel is most likely defective. the sound you hear when spinning by hand is most likely the bearing but that shouldnt stop it from spinning. but as i said if the supply voltage is present but it still wont spin. the color wheel must be defective.

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1 Answer

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As part of the power up sequence on the Samsung HLP-4336W the lamp isn't turned until timing pulses are detected from the color wheel. The color wheel motor is powered through the flat brown four conductor ribbon cable and the timing pulses are detected over the the three conductor ribbon table.

Jun 20, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

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the color wheel wil need to be replaced soon if it is doing that. it could be then DMD board as will.

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YOU PROBABLY NEED A DMD BOARD. THE COST OF THE BOARD IS $900 . YOU CAN GET A LIGHT ENGINE FOR $700 THAT HAS A NEW LAMP, COLOR WHEEL, BALLAST AND DMD.
WHAT A DEAL . THERE IS A $400 CORE ON IT SO YOU WILL HAVE TO SEND BACK YOUR NEW BALLAST AND LAMP TO GET THE CREDIT BACK.
WHEN I GIVE A QUOTE ON THESE SETS FOR REPAIR MOST OF THE TIME IT EXCEEDS THE VALUE OF GETTING A NEWER BETTER SET.
DON.

Jun 04, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

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