Question about RCA HD50LPW42 50" Rear Projection HDTV

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I just bought the HD50LPW42 from someone he said it needs a color wheel. When I turn the TV on the green light comes on but I don't get any picture. What is a color wheel and is it needed to just watch the TV?

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Most DLP TVs have a color wheel. This allows the TV to be manufactured with a single chip to control the color for each spot on the screen and a white light source. As the wheel rotates, the desired color light gets transmitted to the screen. This happens so fast that most people do not see the screen refreshing each color.

Here is one source for a color wheel for your TV: http://chaparral.shopjimmy.com/catalog/product/view/id/200632/s/rca-color-wheel-212184/ . This is a part reclaimed from a TV that was damaged in shipping so it was only used during factory testing. The part number is RCA 212184.

Usually the symptom of a failing color wheel is the TV being very noisy on startup (a whining sound) followed by it shutting down. Although other problems can be involved - for example a power problem going into the assembly with the wheel (there is a motor that turns the wheel).

I hope this helps.

Cindy Wells

Posted on Sep 30, 2010

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1 Answer

I have a RCA HD50LPW42, the tv stopped showing the picture awhile back but the sound continued when the tv was turned on. Now the sound has gone out too. When I turn the tv on the green power light blinks...


Hi,
You may have two problems with your TV. This TV has a history of a color wheel issue, was making grinding noise? Have you ever changed the lamp?
It may be a bad color wheel and the lamp, you may want to do a visual inspection.
It is easy to replace the lamp but more likely the color wheel is the problem.
The part# for the color wheel is 212184, the part# for the lamp is 260962

Best of luck
Nour Sabre
www.aaatvservice.com

Nov 16, 2011 | RCA HD50LPW42 50" Rear Projection HDTV

1 Answer

I have a Philips dlp60pl...the picture flickers and the color turn red to green then back to normal color, could this be the bulb.


No.Do the tv pictures colors back ground flashes black and white when this problems happen?Ur tv now make any humming sound or motor noises?Yes,than the tv colors wheel it is the causes and the problems.The tv colors wheel it is dying and starting to be worn out.The tv colors wheel itself it is starting to come out of the spinning motor axis.The tv colors wheel have to be replace to fix this problems.The tv colors wheel sit way back of the tv,must have to take out many mechanical parts before u can even come to the tv colors wheel itself to replace it.If u have no mechanical skills don't tries to replace the tv colors wheel ur self.Hire a tv Tech. to replace the tv colors wheel it is ur best bet.

Sep 24, 2011 | Philips 60PL9200D Projection Televisions

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I replaced my Samsung hln567wx color weheel about a year ago due to the tv making an odd sound. Changing the color wheel did fix the sound but after a year has past the picture is replacing all red with...


Tv have colors flashes back and forth some time u get a normal pictures again?Yes,u must take the tv aparts than check the colors wheel again.Check it out it condition only don't touch the colors wheel itself.U have compression air machine blow some light compression air into tv colors wheel it self might have acumalate dust on the wheel,don't solved the problems.Might have to change the colors wheel again.

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I installed a new color wheel in my RCA 50inch DLP TV but now the facial tones are now purple. I believe I need to somehow index the wheel using a service menu but do not know how to access it. The TV...


This might help ,the Fix for Pink Picture on another Set was to replace the Formator Board and the DVI Cable .
Formator Board PN# 263247
DVI Cable PN# 263254
The way to Enter Service Menu for most RCA is to turn TV off, Then Press and Hold at same Time
CH- and Vol- wait untill TV turns on then release and Service Menu should come up.
Encompass Parts Distribution 1-800-638-3328 they might have the Parts you need.

Jan 14, 2011 | RCA HD50LPW42 50" Rear Projection HDTV

1 Answer

I just put a new bulb into the tv and the green light comes on but there is still no picture......any suggestions?


when you unplug then plug in the set do you hear anything like a whining motor? When the sets is plug up the set goes through a "bootup" sequence. There is a motorized device called a color wheel. if this does not come on and reach speed the set will shut down. You can deduce that since the green light comes on that you power supply is getting to the processor then the processor then detects a problem then shuts down.

Oct 21, 2010 | RCA HD50LPW42 50" Rear Projection HDTV

1 Answer

RCA HD50LPW42. Sound so loud it sounds like a jet engine coming from TV (very loud whining sound). I assume this is my color-wheel, but I'm not sure.Turns off when TV turns off.


You need a replacement color wheel or have yours rebuilt since the RCA color wheels are on nationwide back order. You can get your wheel rebuilt at the following link
http://servicemanuals.vstore.ca/

Sep 08, 2009 | RCA HD50LPW42 50" Rear Projection HDTV

1 Answer

6 months ago, the colors started messing up and it made this screaming banshee sound. The TV would turn itself off after a minute or so. I read about it and figured it was the color wheel. I bought a...


You need to put in the values for x,y, of red,blue,green & white.
when you get the color wheel, sticker(printed values) was in the same box.
If you have, let me know and I''ll let you know how to put in.

Jan 13, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

My RCA is screeching


To install the color wheel, turn off and unplug the tv, take off the lower back casing (17 star type screws), remove the lamp door, remove the lower back casing. Look just left of the lamp you will see 3 smaller star type screws near a small circuit board (which is on the color wheel), remove those screws unplug cable from color wheel, unplug other end of 2nd cable from tv circuit board (just to the upper left nearest to the color wheel.

All you have to do is install the color wheel, plug in both cables, put the back on and place the lamp door back in its position, the lamp door pushes in a lillte blue lever which allows the lamp bulb to light up.

I'm in the process of doing the same myself on my RCA same model. Where did you buy the color wheel from?

rw9704

Jan 06, 2009 | RCA HD50LPW42 50" Rear Projection HDTV

2 Answers

Green picture


i dont think it the color wheel - to make it green the glass would of come off and the tv would be vibrating badly. to check pull the lamp out and with a flash light look at the color wheel -
you most likely got a surge that glitched the eeprom - you will need the service remote to adj the white balance
thanks
scott

Aug 01, 2008 | LG 52SX4D 52" HDTV

2 Answers

TV will not come on


Bad capacitors see the tips under my profile for the ATC336 chassis the same info will apply to your set. If you need more info please let me know.

Apr 08, 2008 | RCA HD50LPW42 50" Rear Projection HDTV

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