Question about Hitachi 50UX57B 50" Rear Projection Television

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Hitachi 50" 50GX30B PJTV

We are having a problem with color distortion, the color is blue and yellow. And the words for info is double inposed. We heard about a possible fix using the remote.

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Re: Hitachi 50" 50GX30B PJTV

Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence or magic focus section
Try to adjust the red and then the blue convergence.
You should be able to move them up, down, left, and right.
If you can't move them in all directions your convergence chips are bad and should be replaced. This is a common problem.
You can get a repair kit that includes all the parts from
They have put together a kit for the Hitachi TV sets.
The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself. Its a fairly easy fix on the Hitachi sets.

Posted on Jan 29, 2009

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Re: Hitachi 50" 50GX30B PJTV

Do not have red or green colors in picture. Unable to adjust to get them.

Posted on Mar 01, 2009

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Re: Hitachi 50" 50GX30B PJTV

1) Blue convergence IC is bad. Replace both Stk IC's==large
 parts mounted to largest heatsink in set.
2)With remote, perform convergence alignment as needed in
 servicer mode.( skilled technician,usually)
3)Let me know by rating what you think....T.

Posted on Oct 23, 2007

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