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Problem for Samsung HLP4663W 46 in. Rear Projection HDTV Television

Samsung HLP 4663W DLP TV 3 lights blinking

By mattfuller30 on Jan 22, 2009

" "

Lamp light flashed then tv restarts a few times then all 3 lights flash. No picture or sound.

I replaced the lamp with no success, then the ballast today. I stuck a voltmeter on the ballast power plug while it was plugged in and the tv powered on and it read 320 VDC so I assume the lamp, ballast and power supply are good. Would that be right?

I did notice about a month before it quit working a winding noise when the tv was powered off after running for several hours, more like half the day. That was probably the color wheel showing signs of normal wear and tear?

What should I check? I dont know what the DMD board does but I see it's brought up allot with this fault.

Comments:

Jan 26, 2009

- Terry,
I'm not getting any voltage to my color wheel. I checked the power plug coming from the DMD board and it's 0vdc and I think I've read somewhere that it should be 5-7.5 vdc.

Would this mean the DMD board is at fault?

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Same Problem

Jan 27, 2009

- I just replace my bulb today and still have the error for lamp. Last bulb was replace in May 08. Color wheel was Sept 08. Now in Jan 09 the no picture no sound. Lamp error in on after replacing with new bulb- wlk3920

Solution #1

posted on Jan 24, 2009

Terryfic

Rank: Guru Samsung

Expert
Rating: 87%, 1731 votes

Color wheel is the biggest failure part in Samsung DLP...
A little technical to replace...............T.

Comments:

Jan 26, 2009

- DMD is very pricey to sub, unless you can find a good used one.
Color wheel is not expensive & you said it was "whining" recently,
so subbing it makes some sense................T.

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