Question about RCA P60921 60" Rear Projection Television

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There are three tiny dots on the screen

They are adjacent to each other and one is magenta one is blue and one is yellow.

Is there an easy fix?

Thanks

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Bad news im sorry to say. This is an indication of what is called crt burn.... the tv has malfunction in such a way to let the crt beams burn the phosphor coating of crt... the only soultion is to replace the tube .... one of the most expsive and difficult repairs to do

Posted on Feb 08, 2008

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One yellow, one pink, and one blue spots appeared on my tv screen.


The set if projection which model here is, has arced and now each of the three picture tubes used has a tiny permanent burn mark on its screen.

That is what you are seeing, the set uses three picture tubes with screens like the old tv sets===the coating has been burnt in each, want to prove it, remove rear cover and cover any one of the three lens and that mark on one tube will go a way.

Not fixable.

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1 Answer

Yellow, magenta, cyan dots appear on screen


I am not laughing but I would suggest if possible from the rear with a light first to see if any of the bugs are on the mirror at the rear of the set inside or the lens This set should have inside---look for that first---anything on the mirror or between it and the screen will be magnified and projected into the picture----it is possible to take a good photo and post it here as well.


I have seen this once before---had lots of little moving specs on screen of a Sony---they had several hundred knats inside flying around that were attracted to the light and warmth there.

Solution in that case actually involved use of Moth balls for a while in the area.

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Panasonic Viera PC-to-TV Via VGA has Purple Tint


Purple Panasonic PC>TV Problem:
The VGA cable uses three primary color RGB channels.
Red, Green, and Blue.
The picture is made up of pixels or dots arranged in a grid along the "X" horizontal axis and "Y" vertical axis.
The computer mixes the intensity of each color channel to create a unique color per pixel.
All RGB at 100% creates white.
R+G creates yellow.
R+B creates magenta, ie purplish.
G+B creates cyan.
So a purplish tint sounds as if your Green wire has no signal, which may indicate a faulty VGA cable or VGA socket.
Put another way, (R+G+B)-G=R+B=magenta.
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1 Answer

My printer is reading check alignment, is it because my color cartridge is out of ink?


No, that's not what it means.
If printer heads are not aligned, CMYK colors (Cyan, Magenta, Yellow and blacK - the usual colours in a printer) will not print in the correct place.
Assume a dark grey dot is to be printed. For this C, M and Y colored dots have to be placed exactly on the same spot. But if heads are not aligned, the three color dots will not be exactly in the same place. Therefore you will see Cyan, magenta and Yellow dots adjacent to each other instead of one dark grey dot.
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1 Answer

My CP2025 is printing tiny colored dots on my pages...what do I need to do?


You will most likely need to change what ever toner cartridge that is the same color as the dots. So if the dots are pink change the magenta. If they are blue change the cyan. Most of the time these dots are a result of the toner cartridges drum having a pit or similar defect in it. Changing the toner cartridge will take care of this.
Good Luck and Thank You for using Fixya.

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1 Answer

What does it mean by dead cells?


I assume this is related to your LCD monitor.
I think you mean dead pixels. The LCD monitor has tiny pixel elements, one for each red, blue, green color and each one of these colored pixels are turnes on by a transistor. When a transistor fails then the colored pixel it controls does not light up. This is a dead pixel and it shows up as a tiny black dot.
If the screen displays a blue screen, a dead blue pixel will appear as a tiny black dot in the blue screen.
You normally would not notice a few dead pixels unless they are grouped together.

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1 Answer

I have tiny blue dots on my tv screeb & at the bottom of screen is like a shallow blue.i own a sony kdf-42we655 i had it for around 5 years. Help


this is the information I received

This blue dots problem is due to defective blue lcd and related uv filters/ polarizers in optic block (light engine) and optic block will be replace to fis that issue.
It would be costly fix and an experienced tech is needed to do the job. You can expect $1000 repair cost.
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1 Answer

Tiny dots about 1 inch apart down the side of page


Again, this was actually HP Laserjet 3800. Problem solved by chatting with HP, and them having me go into a diagnosis mode that disabled cartridge check. Then, I removed the cyan cartridge, the dots went away. They then had me put the black into the cyan slot, and not dots appeared. I had backup toner on hand, swapped in a new cyan and magenta, and all was good. HP agreed to replace the cartridges.

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1 Answer

52" RCA Rear Projection P52937SG Color Dots?


There could be an obstruction in the way of the three picture tubes on the inside. This tv has a chassis that comes out from the back all in a chip core frame with handles. Takes a quarter inch nut driver to remove and you should look to see if the speaker wires or the keyboard wires are obstructing the picture tubes. Other something I think of is a broken reflector and when you get the chassis out you can look up inside behind the screen to check for this and for any other obstructions.

Jan 05, 2008 | RCA P52937 52" Rear Projection Television

1 Answer

Dots on screen


Is the picture normal otherwise and those dots in the center? If so you have three burned CRT's.

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