Question about Hitachi 53UDX10B 53" Rear Projection Television

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Color is bad lots of orange

Color on 50 in. has gotten bad in the last few mounths unable to adjust to get a good piture

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Your coor tubes are trying to go out on the tv

Posted on Dec 14, 2008

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Wavy picture at bottom half of screen looks like two different colors, top half convergence looks good bottom half of pictute looksbad . Can it be vertical coil on two piture tubes not being drivendue to...


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 26, 2009 | Pioneer SD-P50A5-K 50" Rear Projection...

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My Akai 50 inch DLP cuts on and after a few minutes the piture goes out and the power button in the front flashes the word Lamp. How do I repair it?


Unplug the set from the wall. There is a Lamp Door in the rear or on the side of the set. Remove the door and you will see a Lamp Module with two screws on each side. Loosen the two screws and grab the handle while wiggeling the Lamp and pull straight out. Warning!!! DO NOT TOUCH THE FRONT GLASS AT ALL!!! If you see shattered glass inside then you have a bad lamp. There might be a Lamp part number on the Lamp. If not then look on the left side of the set for a orange Lamp Code sticker. Record that Lamp code and purchase a lamp. Once you have the new lamp reinstall in a reverse order. Be sure to reinstall the Lamp Door and tighten the screws or else the set will not work. You should be good to go.

Jul 10, 2009 | Projection Televisions

1 Answer

Samsung HLN5065W color wheel installation


Check the wire connections one may be loose or not properly seated

May 11, 2009 | Samsung HLN5065W 50" Rear Projection...

1 Answer

Picture is very yellow


If this is an old 52 projection with bad color your oil in the tubes may need to be changed, focus & screen can be adjusted to improve picture. Changing oil is something a tech defintly has to do. Call a local tech & get pricing. Then u can weigh your options. Also tubes may be weak. If they need to be changed probably won't be worth it.

Apr 23, 2009 | Samsung PCJ522R 52" Rear Projection...

1 Answer

Color adjust


Greetings!

Adjusting the picture tubes is a scary proposition, but since you have already done it...
The easiest way to balance the gray scale is to turn the color all the way down on the set. The next part is easier with two people if the screen controls are on the back of the set. This is the part you saw that has six small knobs on it. There are control for the focus of the red, gree and blue and for the screen level of the red, green and blue. You will want to adjust the screen controls in an effort to get the picture black and white (this is why you turn the color down), hence the term "gray scale". Just make slight adjustments, take your and be patient. It will take some time, but you will get your picture balanced back out in time.

Hope this helps!
Rob

Jan 15, 2009 | Philips 50P8341 50" Rear Projection...

1 Answer

Too much green on Sony KDS-R50XBR1


I have the same model and mine did the same thing last year. Initially had the "green blob" problem, but then it seemed like overnight, an overpowering green push that I could not correct with the full range of white balance controls. Turned out to be the dreaded bad optical block. The OB's are a known problem with this set and its 60" sibling, and the basis of a class action lawsuit against Sony. Under the settlement of the lawsuit, Sony has extended the warranty only for the optical block until June 2009. You can find out more than you wanted to know about it on the AV Science Forum at avsforum.com and they have a link to Sony's web page for this problem. BTW, after my optical block replacement (at no cost), my set has a very faint pinkish to greenish color impurity which fades to nearly imperceptibile after warmup. It hasn't gotten worse over the past year and it doesn't bother me enough to risk having it replaced with another OB which could be worse. Bottom line: it sounds like you need and optical block replacement, which Sony is having done in-home at no cost to you.

Dec 16, 2008 | Sony KDSR50XBR1 50" Projection HDTV

1 Answer

Having problem with getting the color and contrast right?


Good Day;
Turn your color down all the way, do you get a good Black and White picture with good black, white and grays? If not your picture tube may be going bad. It can be adjusted sometimes to get a 'better' picture.
If picture is a good B&W; adjust britness level: 50% > contast: > 90/95 % >color: 50%.
Good Luck, big IRISH.

Sep 25, 2008 | Projection Televisions

1 Answer

Blue and Yellow shadows


Google "HItachi Convergence Circuit" and you will see that it is a very common problem. Looks like TV repair guys get $400 to fix it. The parts will set you back $15-$50 but there is some complicated soldering to do.

I am going to repair my own...but I have a lot of experience in soldering

May 05, 2008 | Hitachi 50GX30B 50". Rear Projection...

1 Answer

UNABLE TO BRIGHTEN PICTURE


Your CRT coolant needs to be changed. Thats whats giving you the dim picture. You can also clean the projection mirror on the inside this often helps. But the coolant will need to be changed to get back the bright crisp picture. Hope this helps.

Jan 20, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Toshiba 55H70 convergence problem fixed but now vol.is gone


I just posted a question about a convergence problem( juice07 ). I am unable to adjust the red color in the convergence adjustment mode. Did you have a similar problem ?? Please help.

Sep 28, 2006 | Toshiba TP50H50 50" Rear Projection...

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