Question about Hitachi 53SBX59B 53" Rear Projection Television
All colors look good and clear, but when watching football or golf, grass is gray to black
Posted by Anonymous on
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
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.
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.
Posted on Mar 15, 2009
ok, you have more than 1 post for this set--this model uses two of the STK-392-110 OR 392-150 Convergence chips.
If magic focus will not adjust the picture both chips need to be replaced--about 13 dollars in parts if purchased on Ebay.
Green is not offered to be adjusted since it determines the geometry of the picture--red and blue are adjusted to it.
Let me know how much skill you have and I can tell you how to fix the set--it requires two things--getting at the chips and being able to unsolder and replace them--there may or may not also be some resistors around them that are now bad and need to be replaced.
most shops get 300 or more for this repair--total parts cost if you are able to do it yourself is under 30 dollars.
If this helped you rate this solution as I do this here for free.
Posted on Dec 12, 2009
Tips for a great answer:
Feb 18, 2012 | Hitachi 57S700 57" Rear Projection HDTV
Press "Menu" on the remote select the "Magic Focus" option in the Video menu or press the "Magic Focus" button on the front panel to adjust the convergence of the three picture tubes that create the proper color for the picture. Pressing the button on the TV initiates the automatic adjustment, and accessing the feature through the Video menu allows you to choose automatic or manual adjustment, though the "Automatic" setting must be selected for the button on the front of the TV to begin the process.
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