Question about Hitachi 43UWX10B 43" Rear Projection Television

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Can you recommend an online store to purchase a repair kit for a convergence chip problem?

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Matt electronics. make shure you get the exact replacment stk ic.s those are prob. stk-392-110 or 120 also check that no resistors are opened on the convergence module good luck

Posted on Feb 04, 2010

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1 Answer

IQB50M90W 50" Rear Projection convergence issue


convergence chips need to be replaced. this can be done yourself but it takes ome soldering skills. Convergence repair kits can be purchased onlne for around $65. most kits come with step by step instructions, some have DVD repiar at shop can run $300 to well over $600 god luck.

Nov 30, 2013 | Zenith IQB50M90W 50" Rear Projection...

1 Answer

Heating paste on convergence board


Its called thermal paste. It can be purchased from most local Radio Shack or other electronic stores. Its usually included with convergence kits so if you bought a convergence repair kit from sites like www.TvRepairKits.com check closely in the kit for the thermal paste. Its often in small packs or tubes and can easly be overlook.

Feb 25, 2013 | Televison & Video

1 Answer

Convergence problem please help


You likely did not do all the steps required to fix it. If you bought a complete repair kit from sites such as Tv Repair Ktis go back and ask them for help. If you did not get one of their kits you can still purchase just the convergence repair instructions.

Jan 05, 2012 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hello, I purchased and installed one


You will need a original remote to make the changes to the multipoint and single crosshatches. Do a google search for remote controls to find the Philips remote.

Jun 04, 2011 | Philips 51PP9100D 51 in. Television

1 Answer

Phillips 55PP9363H/17 needs convergence repair part numbers


This model uses two of the STK-392-120 CONVERGENCE IC chips. If convergence is skewed or will not adjust both of them along with any of the 6.8 ohm resistors that protect them need to be replaced.

Then you take the set into the convergence TECH mode and adjust it for picture in first the non and then in the HD mode if it has it.

You can buy the chips on Ebay for less than 13 dollars plus shipping for a pair-the resistors can be purchased at most electronics stores and are easy to check-any that are discolored or have NO reading across them need to be replaced along with both chips.

I can give you specific instructions about doing this repair. The hard part of the repair is getting at the chips to unsolder them and then replace them.


I can tell you where on Ebay to buy the chips for the best price--I am willing to help you if you have problems doing the repair---all of this presumes you know how to solder and unsolder etc.

BY THE WAY, MOST OF THE SITES ON THE NET THAT SELL KITS FOR THIS TYPE OF REPAIR ARE A WASTE OF MONEY-MOST OF THE PARTS ARE NOT NEEDED--save yourself some money and do it the right way.


If you want my instructions and have any questions, rate this solution as I do this here for FREE.

Thank you for using FIXYA.

SD TECH

Nov 19, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Mt pt-47wx49e is showing a blurry picture that bounces and waves. ive tried adjusting the convergence on the set but dont have a remote and its tricky to do on the set top controls but i dont think its...


Convergence chip could be lose as in solder joints bad sometimes a good slap on the TV side will straighten this out temporarily but not recommended. A service call is the best fix unless your handy at taking it apart and resoldering the chip you can find convergence kits online if you are the handy type :)

Sep 29, 2009 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Screen clatiry


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
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.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Feb 12, 2009 | Sony Televison & Video

3 Answers

Panasonic 47 inch Projection tv PT-53WX42F


Sounds like your convergence chips are going. Unless you are real handy with soldering iron I would suggest having a tv repair shop service it(probably cost $200-300). If you are handy then I believe the chips you need are Sanyo STK392-110. There should be 2 of them. be careful if you order them online, there are lots of chinese knock-offs out there.

Apr 19, 2008 | Panasonic PT-47WX49 47" Rear Projection...

5 Answers

Colors don't line up


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
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.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Apr 08, 2008 | Philips 46PP9302 46" Rear Projection...

1 Answer

Toshiba convergence


There are kits available online, which include the chips and the soldering iron too.......Just a word of caution, convergence chip replaced is more difficult on Toshiba #1 the chips face other boards that must be remove first. the main one is the convergence generator (which the sheild is soldered in placed) Also the signal board (which is what everythings mounted to is very fragile)..............Good Luck

Jan 11, 2008 | Toshiba 50HX70 50" Rear Projection...

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