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Convergence problem I have a 53uwx10b hitachi projection tv the blue lines are curved at the top and bottom of the screen can't get the colors lined up except in the center I was told the ic's are the problem where do I find the ic's which board are they on? where do I look? thanks can you point me in the right direction.

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  • Hitachi Master
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Hello if you take the back off the set you see a metal frame this called a heatsink you should see 2 black chips connected to the frame i think the part number might be stk 393-110 also there might be some resistor in front of the chips these might have to be changed also there are to capacitors 1 at each end they will need to be changed as well is a big job trust me i've done a few .it a lot of soldering work good luck

shaun

Posted on Jul 29, 2009

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Could not set blue convergence properly after it gradually drifting off horizontally. Replaced convergence chips with repair kit from tvrepairkits.com. Tested all resistors and they test good, within 5%...


U used every components,that came with that kit?Grounding ur self.Used a low wattage soldering iron resoldering the convergence ICS again,no matter what the resistors are in torrence or not replaced all of the resistors,still have the same problems.The 2 convergence ICS got to much heat and stastic ectricity charges it it shorted and kill the 2 convergnce ICs.

Dec 19, 2010 | Hitachi 53UWX10B 53" Rear Projection...

2 Answers

Hitachi 61UWX10BA Convergence Still Off After Chip Replacement


Remove Front bottom Panel thier you will see front of convergence board there is a small blue contact switich with TV on press and hold it for 5 sec then you should see convergence Pattern so you can aline convergence correctly I have the whole Manual to tv just have to find it. anyway for now try this.

Dec 01, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

I have a hitachi 53fdx20b and the red and green colors line up fine, but the blue is droopy at the top and doesnt line up elsewhere, any help?? :)


Ur convergence is dead.U know how to solders?Try this website,Tv repair World.com.to buy a convergence kit,replace what in that kit.

Oct 20, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

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


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.

Sep 24, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Convergence settings on hitachi 53uwx10b


Yes - You will need to either remove the circuit board or lift up the tray. If you are not sure how to do it yourself read the link below.

  • This is a very common failure on Projection TV sets.
  • 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.
You can see some example photos and find a solution here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 10, 2009 | Hitachi 53UWX10B 53" Rear Projection...

1 Answer

Hitachi 46F500 and there is a blue curved bar


Your TV most likely has a 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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together convergence repair kits for most models.

The kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, thermal paste, etc. Everything you will need to do the repair yourself.

May 15, 2009 | Hitachi 46F500 46" 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...

1 Answer

3 curved lines top & bottom/blurred picture


This indicates a convergence problem..convergence power supply probally.. however ive seen 2 other cuicits cause this ..

Sep 24, 2007 | RCA HD52W59 HDTV Projection Television

1 Answer

TV PROBLEM


This could be the start of convergence problems. Anytime you are dealing with color lines then is the convergence. No first you could check for loose connection and then change in value return resistor in the convergence area. Hope this helps!

Sep 07, 2007 | Hitachi 53UWX10B 53" Rear Projection...

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