Question about Hitachi 53UWX10B 53" Rear Projection Television

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I changed the IC chips on my hitachi 53uwx10b tv like you guys said that helped alot but still have wavey lines on both sides of the screen what do I change on the con. board now? Thanks alot Jim

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  • SD Tech
    SD Tech May 11, 2010

    did you look at and or test all the resistors on the convergence board?

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  • Hitachi Master
  • 5,138 Answers

Resistors " RK42 3.3ohms
RK46 1.8ohms RK50 2.7ohms RK54 1.5ohms RK58 3.9ohms RK62 2.2ohms After you replace all of them then enter convergence by pulling OFF bottom front panel there on front of convergence board is a small blue button press it and a convergence pattern will come up now aline each color red then blue.

Posted on Sep 24, 2009

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2 Answers

Hitachi tv no picture or sound.


my hitachi projection tv 53uwx10b screen is black with no sound or picture when the power button is on

Dec 29, 2009 | Hitachi 53UWX10B 53" Rear Projection...

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When doing Magic Focus on Hitachi 51SWX20B I get Error 3, and the Process Stops. I have a Hitachi 60SDX88BA that also has a blue semi circle at the top of the screen. I have run magic focus and it stops...


Your TV most likely a convergence 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.
Here are some photos of convergence problems.

3dc9420.jpg
645fba6.jpg
0dcec37.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.

0667c5f.pngSOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses. Its a fairly easy DIY job or you can call in a pro. If you want to do the repair yourself check the site www.TvRepairKits.com. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, email/phone support, etc.

Jun 02, 2009 | Hitachi 53UWX10B 53" Rear Projection...

3 Answers

Different color shadows appear.


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.

May 06, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Red line


Convergence ICs STKs replace both of them If they are STk392-110s up grade to 180s better ICs They are big black chips order parts at Electronix Parts 1-800-223-3205 you will need to also buy heat sink compound to put on back of new ICs.

Dec 25, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi 51UWX208 - Rear Projection TV


Good Day, nutrisal;

Sounds like bad convergence IC’s, chips. Hit recommends using STK392-150’s and replacing the bias resistors. You seek a factory authorized service center.
Good Luck, Big Irish.

Jul 03, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi 43FDX01B convergence red line wont move


probably need to replace STK IC on convergence board and possibly associated low value resistor

May 09, 2008 | Hitachi 43FDX01B TV

1 Answer

Red triangle in middle of screen


Good Day, lawrentzsca;
Sounds like bad convergence IC’s, chips. Hit recommends using STK392-150’s and replacing the bias resistors.
Good Luck, Big Irish, but hope the TV is fixed by now.

Mar 14, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Half screen looks blurred / doubled.


Hi, convergence circuit has failed, this usually involves two STK 392-xxx Ic`s and sometimes a couple of low Ohm resistors, If you are proficient at soldering and have an accurate voltmeter and a lot of patience you can do this, If you are NOT proficient at soldering call a tech or you WILL make the problem worse, If you decide to go for it e-mail me back and I`ll tell you a good place to get the right stk`s not the cheap chinese crap you`ll find on-line, BMW Rider

Feb 05, 2008 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Green lines along top of Hitachi 53UWX10BA


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

Jan 02, 2008 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

Hitachi 53UWX10B Projection TV colors not lining up...


This is a convergence issue..both chips need replacement.

Dec 14, 2007 | Hitachi 53UWX10B 53" Rear Projection...

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