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Question about Hitachi 51F500 51" Rear Projection HDTV-Ready Television

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Color fade It seems the yellow in the picture has faded, possibly the "colors" in general. Is their a replacement part?

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Use the advanced options page and reset the factor blue and red convergence defaults then do re apply the auto color defaults color at first it seemed very red (which is good because red was the missing factor in the green picture) but after reseting all the color and tints to the normal ranges I then reset the color auto correct again and all seems fine.

Posted on Dec 05, 2007

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1answer

Sreen has perfect color and then fades to a cloudy/faded picture. occassionally picture will go full color then very yellow,very red, cloudy/faded.

Does it come and go? Or is it like this all the time? If you bump the side of the TV does it change the symptoms? Thanks Lou
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Color is offset and blurred. There is no problem printing in black. Printing test page shows the same symptoms.

Hello
The color of HP LJ 2600n fades due to following reasons
1. the color cartridge near to empty 2. due to dust on reflection mirrors inside the printer
if the color cartridges are OK, then you need help of HP technician support, because cleaning of mirrors is very technical in nature for 2600n.
Dusty Environments can lead to Laser Scanner Contamination. The dust layer on the mirrors prevents proper transmission of the laser output in the imaging system leading to faded colors on the printed page. The initial stages of this failure typically occur in the magenta or yellow color planes as faded or light color. Often the left side is more faded than the middle.
You may need to contact the nearest Authorized Service Tech and get teh Laser Scanner replaced with the new released service part that has a mirror in a location where the dust ideally cannot reach easily.
Also, please ensure that the printer is relocated from the current location to a more dust free zone.
Hope this helps, if so do rate the solution

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1answer

Color is faded on one side when scanned

Apparently you might need to because scanners are most times not reserviceablw when problems of faded output and discolouration is evident.

Properly clean the surface of the scanner and leave your scanning image application to default settings
0helpful
1answer

48'' Rear projection picture fading

sounds like your color wheel is fading.
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2answers

The color seems to be fading. NOt a clear picture.

Likely the picture tubes are getting weak from old age. Not much you can do about this.
2helpful
1answer

Color and brightnes fading

the most likely cause is the coolant needs to be replaced in the CRTs. Very common problem. You can get the Phillips CRT coolant kit at the following link which contains the coolant and step by step instructions. Its listed under the repair kit category.
http://servicemanuals.vstore.ca/
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1answer

I have a Xerox Phaser 8400 with image problems. After power up it prints a Startup Page - That page is black text which faded and slightly distorted in some areas and in areas that are in Color only...

What you are describing is a bad print head. You can try running the eliminate light stripes several times, and jet substitution, but most likely the print head will have to be replaced to remedy your problem.
You can try googling. Phaser printer print heads or phaser printheads.
There seems to be a secondary market appearing for those print heads. I can tell you from Xerox, if you have no maintenance agreement, they cost $750 per print head.
Honestly, having worked on about every type of color printer known to man, the new solid ink phaser printers, produce a dry ink image of 2400 x 2400 dpi with ink particles that align end to end. The resolution of those printers are remarkable and can be purchased for less than the price of one of those new print heads.
Now for reliable, albeit somewhat not as sharp a color image, but still exceptional, you really can not beat an HP.
The ink stick technology really no longer has the color vividness advantage it initially had. The inks that align end to end, have ended that advantage and are sure a lot cheaper to operate per page.
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Picture is fuzzy and color seems faded



Sounds like your coolant in the tubes need to be repalced. This is a common problem as the set gets older. Check with www.TvRepairKits.com for the supplies and instruction guide. 
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1answer

Color problem with the samsung 46" PCK520R TV

There are a few possible causes for this

-Picture tube has become weak after long useage
-A fault with the automatic degauss circuit could be causing the color problems.
-The color drive circuits may be out of adjustment.

I don't have instructions for you on how to fix this, I would recommend you either buy premium assistance or contact
another expert with long tv experience to possibly get details
on how to correct this problem.

I would recommend you contact your dealer for repairs if you have warranty. If you don't have warranty it may be cheaper to ask around.
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Faded density on an HP color printer...

I think you are on the right track with the drum unit.
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