Question about Hitachi 53SDX89B 53" Rear Projection Television

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Hitachi 53SDX89B green and red shadows

Mr bob,
had tv for about 8 yrs. Started getting red and green shadows the other day - figured convergence. Bought new samsung but girl wants me to keep old tv and try to fix or sell (picture is still viewable and sound is good, etc.) Delivery of new unit comes with disposal of lod unit.
Keep and fix/sell - or have disposed? Don't want it - any idea how much (roughly) it would cost to fix? Or is it just a cool looking paperweight at this point?

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You can find exactly what ICs are used by looking for the biggest heat sink in the unit. The ICs will be mounted on it.

It's not a hard repair to do, and certainly not one that should bring down an otherwise good set.


Mr Bob
www.imageperfection.com

Posted on Nov 12, 2008

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I have the same thing and just bought a replacement being delivered this Wed. It kills me to just discard it but I have looked on the boards and don't easily find the convergence IC to replace. Not a tech by any means but it looks like parts should be under $100 IC's seem to around between $20-30 each and I believe there are two of them. I have a link on how to replace them on another model but unless I am blind they are not on the same place on our model. FWIW here is the link if you want to check it out http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm.

I also can not take credit for the link and would gladly give the people credit but I can not remember where I found it........another senior moment lol

Posted on Oct 06, 2008

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It is a convergence problem (see attached photos) and total parts cost if you can do it yourself will be under 25 dollars--I know where to buy the parts at the best cost and how to do the repair.

Let me know if I can assist you with a comment here and if this information helped, rate this solution as very helpful as I do this here for free.

SD TECH




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I had similar symptoms about a year ago. Also came on sudden. The red convergence chip had burned out (poor heat sinking on this model Hitachi). Replacing the color convergence chips fixed it. ($50 for parts.) First, however, have you tried the "magic focus" function? That's explained in the manual, which is available online IIRC, but I'd have to look for the link if you need it.

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The convergence integrated circuits have failed. It can be fixed-about $350.00

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Replace the two STK392-120 Convergence Ics you can get replacements at the following link with step by step instructions on how to do the repair.
http://servicemanuals.vstore.ca/

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Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

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Good Day, beekae;
No, there no other adjustments that can be made, the TV has had a Convergence Circuit Failure. The "CCF" is caused by that circuit, please call an Authorized Service Center and get an estimate. The avg cost is about $550.00. Good Luck, big IRISH.
PS or come back and I'll tell how to fix, if you are handy and own a good soldering station.

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http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

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CONVERGENCE


Do not adjust any knobs as instucted in the previous thread if you TV have a convergence problem. Doing so will only make things worse. The blog does however show you how to fix other common problems with these sets.

Here are some of the most common symptoms and example photos of a convergence problem

  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
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Here is a quick test....

Using your original remote go-to the tv settings then goto the convergence 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.

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

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