Question about RCA HD50LPW42 50" Rear Projection HDTV

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I replaced the color wheel but the faces of people are blue. The colors are not correct.

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Posted on Jan 02, 2017


SOURCE: Color wheel replacement

Solution found!
This TV set is a 2004 and there is no yellow sticker on sheilding to indicate jumper plug position. I removed sheild and on pcb found test points had been soldered together, no pins on this pcb. Removed solder bridge and tried picture again and now it is working as normal, good color, no noises from color wheel, and good picture. This set was miss leading because access to pcb thru sheilding was blocked.
Hope this may help others out there.

Posted on May 12, 2008

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SOURCE: Color is wrong after color wheel replacement


You probably replaced a bearing colorwheel, and it was replaced with a bearingless. If you look inside the TV on the back of the light engine (the silver box in front of and to the left of the color wheel), there should be a jumper (that connects two wires coming out) toward the bottom of it in a recessed little hole. That jumper should be removed if the color wheel was replaced with the air bearing type. Just grasp it gently with a pair of needle nose pliers, and pull it out slowly.

This should restore a normal color operation, but there might be some other adjustments that need to be made if it doesn't clear it up completely.

I hope this helps you...

Posted on Jan 22, 2009

  • 184 Answers

SOURCE: how to replace rca color wheel

Its fairly easy. Remove the back of the TV. You'll need torx head screwdrivers as RCA uses them exclusively on their TVs. The color wheel is mounted on the light engine to the left of the lamp assembly and has three screws holding it in place. There are also two connectors which have to be undone. You may have to transfer them from the old to the new one. On rare occassions, an alignment of the wheel speed is necessary. If that's the case, you'll need to contact an RCA authorized service center to have this done.


Posted on Feb 14, 2009

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SOURCE: after color wheel replacement colors are wrong

you need to index the color wheel after repalcing it so its spinning at the correct speed

Posted on Apr 30, 2009

SD Tech
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SOURCE: replaced color wheel on samsung dlp Color can't be adjusted

Some of these sets have a jumper plug that has to be removed when you install the newer type of color wheel.

The jumper if it has it usually causes the color to look funny blue instead of normal.

It is located on the DMD board--the metal box on the light engine where the two plugs from the color wheel are.

It will be in a small opening on the metal shield that covers it--small and rectangular in shape--it has a small metal tab across it--it jumps two pins--

if it is there with a hemostat or small needle nose pliers pull it carefully out and see what you have--The CCA adjustments are done in the TECH MENU--look to see first if the jumper is there and remove it.

A lot of places that sell the wheel do not tell people about this.

If this has helped you rate this solution, as I do this here for FREE.

sd tech

Posted on Nov 18, 2009

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Samsung HLR5078 50" tv - replaced a shattered color wheel but the colors are way off with the new one - yellow in place of both red and greens.

I'm not sure you received the correct color wheel. Do you have anything left of the shattered color wheel to compare it to the new one? Seems if you got the correct wheel then the colors should of been the same. Color wheels spin at the same rate of 60Hz. The only reason why you would get the wrong color is that the color on the wheel is in the wrong placed at the right time. I would see if you can get a wheel the same # as your original one.

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we mainly retail or distribute color wheel, light tunnel ect sparet parts for projector or TV, so we have experience on that problem you faced.

perhaps you ordered a compatible color wheel,but it is not big trouble. compared with your old wheel, you will find a black tape, just make it as the same position as your old wheel, it will be ok.

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Peoples faces blurred and turn red and green. could it be color wheel?

If the colors are not matching and shapes have a red, green or blue halos, then the problem is convergence rather than the color wheel. The problem is usually fixed replacing the two convergence ICs in the alignment circuit. The replacement involves de-soldering of two old ICs and soldering new ones in places. More components in convergence board (resistors, fuses etc.) may need to be tested and replaced. The repair ad the soldering job require training and experience and must be done by a technician.



Dec 11, 2011 | Televison & Video

1 Answer

I have replaced a color wheel for a DLP Samsung TV but some colors does not appear making every face turned blue with less definition

Hello luis_crocchi,

Welcome, and thank you for using FixYa!

To answer your question: You have replaced the color wheel, but the light engine (jet) will probably need to be replaced also.
You will also have to have the color wheel and jet tuned (timed) back to factory specs by a TV Repairman as well. If timing and lighting are out of sync, the picture will be also.

Have a great day!

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Yes thats right. There are a correct sequence. Must be (from left to right). The piece whit out color, the pink piece, the green piece and the yellow piece. If the color wheel have more than four pieces, reapet the sequence.

May 30, 2010 | InFocus ScreenPlay 4805 Multimedia...

2 Answers

After color wheel replacement colors are wrong

you need to index the color wheel after repalcing it so its spinning at the correct speed

Apr 30, 2009 | Televison & Video

1 Answer

Mixed colors

Color wheels in that unit were updated to remedy a flaw in their initial manufacturing. I suspect you have one of the updated wheels and now the dmd board is having a problem distinquishing relative speed etc. Pull dmd jumper to fix it. Remove the jumper pin on the dmd board, metal shield has a cut-out so you can just reach in and grab it with a pair of needle nose pliers and pull it out.

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631

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1 Answer

Color wheel

Good day, dkimberly428;
Sorry you are having a problem with your SNG TV.
Let me ask you why did you replace the color wheel? Was it making noise, but had pic prior to changing it?
Okay, if that was it, try this: the color wheel ***'y has one cable and "ribbon type" cable, correct? Okay, make sure both cables are secured. Secondly, the "ribbon type cable" was more then likely put in backwards. If I remember correctly the shiny side (end) of ribbon cable should be facing the rear of TV.
Good Luck, big IRISH. PS always double check ALL cables in TV to make sure they are properly seated.

Jul 19, 2008 | Samsung HL-R5677W 56" HDTV

1 Answer

Color wheel

could be a jumper on the DMD board that must be removed, look for a small sticker that points to the jumper, or it could be a setting in the factory mode, mute-182-power will get you in there, check the settings for the color wheel

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Samsung dlp color issue

I just had a service tech out and replaced the color wheel. now i have the same issue with the color...the people all look blue. He told me that now the the digital board is bad. It's the board were all of the connections go. I'm not convinced, as I remember reading something about color settings needing to be adjusted after color wheel replacement.

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