Question about Hitachi 53UDX10B 53" Rear Projection Television

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Blue and yellow out of alinement

I have blue and yellow lines and all the people have blue out line around their heads. The picture has a blue bow at the top and up from the bottom. It worked fine last night. Please help.

hbeakes@ec.rr.com

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  • Kekoa Oct 16, 2008

    Same problem as described.

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Hello hbeakes,

I posted this before, I matches what you are requesting , so here goes:

It sounds like you convergence amplifiers have malfunctioned. If possible can you post a picture of what is happening. Again by the description you gave it sounds like the convergence amplifiers.

If you go to a shop the cost will about $400 - $500 (includes parts and labor).
If you do it yourself the cost will be about $25.00 - $50.00 (includes parts labor is free)

If you choose to do this yourself, here are the basic instructions:
1. Unplug the TV set
2. Take the rear bottom panel off
3. look for a large heat sink with two large black ICs (STK392-110) (6 sided components but rectangular in shape) on it, and remove the board the ICs are on from the TV set.
4. Unsolder the components using a soldering iron and a suction solder remover.
5. disconnect the components (ICs) from the heat sink
6. Unsolder all of the bias resistors and replace them with the proper values (usually 220, 150, 3.3, 2.2, and 3.9 ohms)
7. install the new ICs (STK392-110)
8. solder all connections IC and bias resistors
9. Inspect for shorts
10. reinstall circuit board
11. Plug the TV set in and turn it on.


I hope this helps

Thank you,
Shuttle83

Posted on Oct 03, 2008

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