Question about Toshiba 50H72 50" Rear Projection Television

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My Toshiba 50H72

I am seeing a second picture , kinda of like a shadow of the picture that is red in color. I have know idea what the problem is.....any idea what the problem is and is it easy to fix?

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Re: My Toshiba 50H72

I need to replace the convergence circuit board I'm having trouble finding the board. If you know were I can get one let me know @

Posted on Oct 21, 2008

Re: My Toshiba 50H72

Please let me know what you find out, because mine just started doing the same thing!!! I bought it in 2002, if this helps

Posted on Feb 02, 2008

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Re: My Toshiba 50H72


Posted on Jan 14, 2008

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Re: My Toshiba 50H72

I am seeing a second picture as already mentioned. What can I do to fix this problem?

Posted on Nov 22, 2008

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2 Answers

Power but no picture

the Y-SUS BOARD is for picture in tv.if the picture is not coming or not proper the Y-SUS board needs replacing .but if the picture is blurry or with linings reparing helps.but in your case the tv does not turns on with y-sus board connected only error led comes on.this means y-sus board needs replacement.
you can get it from
if you are not familiar with replacing the y-sus board its advisable to get it done by local tv repair technician familiar with your brand/model.
This will help. Thanks please keep updated.please do rate the solution if helped.thank you for using fixya.

Oct 26, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

Toshiba 50H72 have blue and yellow ghosts

Sounds like your convergence circuit went out. It lines up the red,green and blue picture tubes so the colors are lined up. Usually these TVs all use the same type of IC chips called "STKs" both usually get replaced along with any resistors etc.. around these chips that may have burned up. Depending on who fixes it could be around $300-400 parts and labor.


Apr 26, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

5 year old RCA 50 inch projection tv. Picture went off.

If you are using component cables make sure they are all connected properly( pushed all the way in and in the correct input). I have seen the red cable come loose several times and cause no red color in the picture. When you change the lamp it is easy to pull on one of those cables and cause it to come loose.

Jan 30, 2009 | Toshiba 50H72 50" Rear Projection...

1 Answer

I have a toshiba model 50h72 double vishion

Projection sets have two very common problems.

The first common problem is 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

Nov 12, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Tv picture

Does the image appear to be 3D? Let me know as it sounds like convergence issues. Is there anyway you can post a picture of what the screen looks like?

May 17, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Picture gone.

You have bad conv. ic's.On these sets when the ic's go bad it will usually pop a fuse or burn up a few safety resistors,causing ith video to go away.

Mar 03, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Red?Green picture

You may have inadvertantly loosened a cable connection to the DMD or logic board... You might be able to shut it down, unplug the unit and remove the lamp.. With the lamp out take a good flashlight and shine it into the lamp housing area inside the Tv and see if you have any wire obstructions that you could have contacted with the edge of the housing as you were removing or inserting the lamp...

Dec 18, 2007 | Toshiba 50H72 50" 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...

1 Answer

Red convergence will only move up or down

Stk392-110 red convergence IC is bad...normal procedure===

1) pull chassis   2) replace both Stk's for reliable repair

3)re-assemble  4) re-align convergence


If you hire a technician, 400.00 is ave. price.

Oct 16, 2007 | Toshiba 50H72 50" Rear Projection...

1 Answer

Color is Bland--Seems we're missing red color


Feb 24, 2007 | Toshiba 50H72 50" Rear Projection...

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