Question about Toshiba 50A61 50" Rear Projection Television

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Color problem with Toshiba

My picture on my Toshiba rear projection tv is off. The images project a blue outline. I aligned the screen but on the alignment line in the right the blue one is bowed and wont align. Is this a bulb problem or has my tv seen its last days.

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Re: Color problem with Toshiba

Sounds like a problem with convergence, poss just requires new STK 392-110 ICs , may need a couple of resistors that go due to faulty ICs

Posted on Aug 31, 2007

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I believe the blue lamp in my 57H81 is going bad.

You need to replace convergence out chips in your Toshiba 57H81 tv by qualified tech because 3-D look picture in rear projection tv shows some thing wrong with convergence output chips.
Your tv model number shows it is rear projection tv that use 3 tubes to make color picture on front screen where as dlp tv use one lamp as back light source to present picture at front screen that is generated in light engine.

Mar 25, 2010 | Toshiba 57H81 57" Rear Projection...

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Color problem with Toshiba

tv is on it's 'hospice' end of life routine..unless you want to gut it completely, and replace all the electronics..

Apr 19, 2008 | Projection Televisions

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Wavy picture with blue and purple color.

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

Jan 09, 2010 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

How do I know I need a new projection lamp? My tv

This set does not have a lamp. It has 3 crt tubes that converge to create a color picture. The convergance is off a little causeing this affect. Go into the menu and look for convergence or magic focus. You can download the owners manual from Toshiba website to do this. You will need the remote that came with the set.

Nov 30, 2009 | Toshiba 50H82 50" Rear Projection...

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you have a miss aligned convergence. try to aligned it first.

Aug 06, 2009 | Philips 55PP9363 55" Rear Projection...

1 Answer

Toshiba Rear Projection Tv 40WH08B

If the convergence on one or more color does not align using the convergence setup procedure, that means that one or more convergence ICs must be replaced, that is the reason why you get bad picture.

That means that the convergence ICs are bad and must be replaced, the job is about $200/$300.

Here there is an example of the repair needed: Fixing Convergence problems in RPTV's

Mar 10, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

Toshiba TP50G50 Theaterview picture is double with red color only

Your alignment is off. Go to the set up menu then convergence. hit right and you will be in the convergence menu. select the color that is not in alignment. The green line does not move. if blue and green are lined up the line will be cyan. if red and green are lined up the line will be yellow. when all three are lined up the color will be light. Best of luck!

Nov 16, 2008 | Toshiba TP50G50 50" Rear Projection...

1 Answer

Red outlines in the picture

somewhere in the tv menu there is a place to make video adjustments. one should be for aligning the color guns. one is for red and the other two are green and blue. it will give you a cross in the center of the screen. it should also give you prompts to adjust the lines for centering and to save changes. this happens eventually on all rear projection tv sets.

May 02, 2008 | Hitachi UltraVision CineForm 55VG825 55"...

1 Answer

The words on the screen is doubled or trippled.

Go to the picture control menu and turn the color to minumum so that you are watching a black & white picture. Do this to determine if the color offset affects the overall screen or just the lower corner. If the center is off, go to the convergence adjustment menu and align the red and blue onto the green as described in the owners manual. Some models also allow you to align the outer edges as well. If the bottom is still bad you may have a problem in the convergence circuit. If the outlines are not seriously bowed or distorted a minor convergence toutchup by a qualified technician should correct the problem, otherwise parts are involved and the repair is considered major.

Nov 21, 2007 | Toshiba 53H71 53 in. Rear Projection...

1 Answer

Rear Projection Tv Problem! black and white... Please help

go into menu turn color off see if you have a black and white picture if not adjust red,green, and blue screen drive on controls in back of tv you have red, green, blue it will have focus /screen controls cover each tube do one at a time blue focus and screen drive adjust to clear blue picture do all 3 tubes, then adjust them to where you have a black&white picture once this is done turn color controll back on.Thank You for using FixYa and Have a Nice Day.

Nov 11, 2007 | Toshiba 50H72 50" Rear Projection...

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