Question about Samsung HCM4215W 42" Rear Projection Television

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Wavy & lines

Do you mean the bulb or the color wheel? I didn't think DLP's had traditional tubes.....

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  • kickkat1 Aug 11, 2008

    it is a Samsung DLP rear projection. Model HLP5063WX/XAA.



    The unit was 3 years old this past February. The color wheel is not making any noise, an increasing in pitch squeal usually means the color wheel is shot. The bulb has lasted far longer than I thought, nearly 9,000 hours. Thos are the only two moving parts. I was wondering if the IC chips were toast but thought I'd see what others knew before jumpin the case.

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Im sorry can you give make/model again

Posted on Aug 11, 2008

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Had tv fot about 7 years, at top center of screen an area has appeared that is yellow in color. How can I fix problem?


If it's a 3 tube projector, the front of some of the tubes are cooled by an oily substance. this oil is replaceable. If it uses a light bulb, the bulb can be dimming, the color wheel may need to be cleaned as well as the lenses in front of the light. The DLP chip can also be going bad.

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I have a Mitsubishi 65" dlp TV and the picture is green and yellow with no reds or magenta's so would that mean i need a new bulb or does it have something to do with the color wheel


It means that the color wheel or it's encoder is not properly syncing with the controller. It is therefore blanking the DLP chip on the red and blue sections of the color wheel. Clean the color wheel motor and encoder disk, lubricate the motor. This should correct the problem. There may be dirt in the opto-coupler that is reading the color wheel. Be sure to clean it with a vacuum and small brush. Regards.

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Wavy line on a DLP SAMSUNG 65 INCH PROJECTION TV


Bulb does not do anything but project white light. Wavy lines are a digital board problem. You should have a tech look at it.

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Mitsubishi VS-5041


your set is not a DLP its a traditional rear projection tv set and has three picture tubes
there is not a bulb or color wheel in this model
if its dead ? you would need to check the power supply first to see if you have the proper voltages . the trouble shoot the rest of the circuits to see what is shutting it down . convergence circuit failure is always a good suspect in these sets

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I have a 1994 zenith big screen the picture is showing really dar


It could be that the picture tubes have gone down on emission, there is a prcedure that can be tried to bring up the overall brightness but it is just possible that you will loose some picture quality. If it's a 1994 projo tv i am thinking of the three crt system, a gray scale alignment would probably correct the dark condition in your picture, again depending on how far gone is the emission in your picture tubes, if your projo tv is the dlp system, the bad news is that you could be needing some light engine repair. The color adjustment is possible with the availability of a service manual or in the case of the dlp system, light engine repairs or replacement are available from some on line stores.

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1 Answer

Wavy lines on the screen and a high pitch sound sometimes.


If you have a Dlp it might be the color wheel.The color wheel is in charge of creating the colors and when it's bad you'll hear humming,buzzing,whirling sounds.

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1 Answer

Red wavy lines at top of screen.


Rear projection t.v.s work differently than most. They have threw lights that throw the picture onto the screen, instead of having a color tube that is in a traditional television. It would be my suggestion to bring it to a Qaulified T.V. professional to have watever bulb is bad replaced. odds are it will either the blue or the green(hard to remember exactly but i think its a green one lol) and not the red.

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Magnavox 50" DLP Tv power light comes on but then i hear a buzzing noise and then two red lights come on the tv. at no point does the picture turn on during this time. Can you please give me a possible...


Your bulb is burned out. I have had the same problem. It seems this television has an overheating problem--and short bulb life. I have had our 50 Magnavox dlp for two years and just put in the second bulb before Christmas. You can buy the bulb from a dealer on ebay for $99 and install it yourself. I is not in the housing so you have to carefully take out 4 screws and replace the bulb without touching the face of the bulb. To buy the one from Magnavox with the housing is much more expensive. I think the first time my husband replaced the bulb it took about 45 minutes--this time it took about 20.

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