Question about Hitachi 53UDX10B 53" Rear Projection Television

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Convergance problems? Hi, Our TV screen was drooping, has double vision & rainbow colors. My husband changed the IC's. Now we have no more drooping but, we still have the double vision and the colors? Please help?? Thanks

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Re: convergance problems?

Hi.I think this website gives good advice. Yeah. Ok bye!

Posted on Jan 21, 2008

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Re: convergance problems?

Did you adjust the convergence
on the menu?

Posted on Jan 11, 2008

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Colored lines at top and bottom when tv comes on and seeing double vision in different colors at all times

If your tv is not a DLP the problem is in the convergence, try to adjust it using your original remote control go to the setting menu then to the convergence section. Adjust the red and blue convergence. you should move the red and the blue in up, down and left, right if this color does not move far enough your convergence IC is already defective. Replacing this convergence IC will solve the problem. In locating this convergence IC you should remove the back cover of your unit but be sure to unplug it before doing this. This convergence IC is attached to a large aluminum plate, it is the heat sink, and it has a marking of stk- ### followed by numbers. You can try to pull it out using a soldering iron and soldering pump but be careful you may damage the board and cause much problem to your unit. Or you can contact a technician to do it for you and save you from stress good day and best regards.

Aug 28, 2011 | RCA Projection Televisions

1 Answer

My screen to my RCA 56" HD TV is messed up. The picture seems to be bowed inward and the colors are all mixed up. I tried to do the convergence but it is not on the menu and I remember it being there...

t is the problem of convergence setting or convergence IC.
Comment by ready2helpu, posted on Oct 21, 2008 IF THE PROBLEM OF CONVERGENCE SETTINGS then check out this link

if the problem of convergence IC THEN check out this link

you can do it manually. 

Oct 21, 2008 | RCA R52WM24 52" HDTV Projection Television

3 Answers

My Akai projection tv the color has bad color and double vision. Why?

If you have an older model projection set then the Convergence Ic's have gone bad. This type of repair usually cost around $250.00 to repair and can be done in the home by a technician.

Dec 27, 2010 | Akai Projection Televisions

1 Answer

Convergance problem on lower half of screen.smeared red and orange double vision,but only on bottom appears out of focus,but not double visioned.


The TV has a convergence problem; the IC’s for that circuit will need to be replaced. The part(below) Number is from Toshiba, they provide good advice on replacement parts. Make sure what type of IC's your TV uses first. The cost for this repair runs around $450.00 or more.

Replace the defective Convergence Output IC Part Number
23905094 (STK392-110) using the revised “T” version IC Part Number
23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version. Inspect the Convergence Output IC’s for the “T” type version as
shown in Figure 2. Replace the Convergence Output IC’s using the “T”
type version Part Number 23135090 (STK392-110T).

I hope this information allows you to resolve this issue.
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Nov 23, 2009 | Projection Televisions

1 Answer

57HX81 projection tv,color is mostly red and picture is double.

This is a convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$300

Sep 28, 2009 | Toshiba 57H81 57" Rear Projection...

2 Answers

Screen plays double

It is called convergence out IC failure and you need to replace 2, ICs in convergence section of TV.

If you are familiar with TV repair or can solder electronics parts in circuit board then let me know exact model number of Panasonic TV to guide you more with technical info or call local TV repair shop for repair.

Apr 24, 2009 | Panasonic PT-53WX53 53" Rear Projection...

1 Answer

Colors have seperated on tv, and curve

You have a convergence problem.
Maybe need change the IC of convergence, or the power supply of these parts.


Apr 04, 2009 | Mitsubishi VS-50501 50" Rear Projection...

1 Answer

Samsung HCP4752W double vision

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

Oct 09, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Phillips 60" projection TV Double vision

This is a convergence problem and is either bad connections at the convergence ICs or defective ICs. If you can solder, you can repair this yourself. Let me know if you wish to repair this and I can provide you with additional details.


Aug 08, 2008 | Philips 60P8341 60" Rear Projection...

1 Answer

Bent picture

Not sure if you fixed your problem already. But the answer is a color convergence problem. You can try adjusting manually via the remote and if that doesn't work it is most likely the two main IC chips that control the color convergeance. It is also possible that not only the IC chips have gone bad but also there are a couple of resistors that usually burn out with the ICs as well. They will need to be replaced. This isn't something that I would attempt on your own. Typically a TV technician will charge between 300 and 400 to fix at your house.

Mar 15, 2008 | Philips 60PP9363 60" Rear Projection...

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