Question about Hitachi 61SWX10B 61" Rear Projection Television

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JT22056 convergence problem

Replaced both ICs & all resistors in kit but the Magic focus stops on RED & cannot get to the manual adjusting of the RED & BLUE.

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You may want to check behind the speaker cover to see if theres a convergence board there u can get to

Posted on Sep 08, 2008

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1 Answer

My TV is the Hitachi model 51UWX20B and tried using magic focus to line up red color. Picture looks like 3D with red off center. When using magic focus it gets to the red phase and it shows the number 5...


You need to replace the STK ICs which are Convergence ICs STK392-110 use 120s or 150s
also check the small ohm resistors around ICs . They are Big Black ICs and will have part number on them ,should be located on the Right hand side of Chassis .
Mats Eletronics has Parts 1-800-628-1118 Convergence IC Kit.

Jul 04, 2011 | Hitachi 51UWX20B 51" Rear Projection...

1 Answer

I have a Hitachi 53FDX20B projection TV. The Red color seems to bow. I have tried to perform MAGIC FOCUS to no avail. Additionally, I took the front panel off to manipulate the adjustable knobs. What I...


problem will be either Bad resistors ,in front of the Convergence ICs or ICs and resistors need to be replaced. ICs are big black ICs and will have part number on them STK392-110 use 120s or 150s
Mats Electronics has Parts ask for Convergence repair Kit. 1-800-628-1118

Mar 01, 2011 | Hitachi 53FDX20B 53" Rear Projection...

2 Answers

Magic focus does not work. RGB projections do not line up.


That symptom is usually caused when the convergence ICs and associated resistors fail. You can get convergence repair kits for the various Hitachi models from www.tvrepairworld.com the kids contains both ICs and the associated resistors plus the CD with repair instructions.

Jan 07, 2011 | Hitachi Televison & Video

1 Answer

I have a 53 inch hitachi ultravision #53UDX10B Its out of focus and when you press the magic focus button it trys then pops up with the # 4 in the corner is this a convergence problem or what ?


Yes, you have a convergence failure. Usually requires replacement of 2 X STK ICs and any burnt resistors associated with the function that is faulty.

Look at the user menu and compare with images on our Convergence Gallery. Try to adjust in the convergence adjust menu. Identify the functions that do not work and make note. When you replace the ICs, pay special attention to the low ohm resistors for the non-working function. They will be located near the colored plug associated with the non-working function. If red vertical will not adjust, check resistors near the red plug.

There are many posts and websites that offer "new and improved Convergence IC substitutes. My advice is to use the original part numbers and replace any burnt resistors with original values. Many ICs purchased on the Internet are very poor quality and do not work. Many users get substitute replacement ICs and never get their TVs working again.

If you have other electronics repair experience, this job may be done with some chance of success. If you have no experience, there are many secondary problems that can and usually do appear. Determining how to fix the secondary faults and how to correctly align the TV is difficult without prior convergence repair experience.

Some of the common problems encountered are:
1. Poor solder techniques, resulting in damaged PC boards or poor solder connections.
2. Poor quality or wrong parts installed and recognizing this problem.
3. Resistors open or burnt. Some resistors are weakened by the initial faulty IC. Replacing with a "good" IC and starting the TV causes the weakened resistors to burn up. IC may be ok but there are one or more open resistors that measured ok when ICs were being replaced.
4. Wrong ICs used, causing resistors to burn up.
5. Resistors that measure normal and become faulty when heated by current flow.
6. Recognizing that convergence circuit is repaired correctly and alignment is needed.
7. Major alignment in service menu required because data is corrupted by multiple tries of magic focus or manual adjustment while faulty circuit conditions exist.
8. Major alignment required because user adjusted centering rings or physically changed mechanical focus adjustment, then mis-adjusted convergence settings trying to correct mechanical alignment faults.
9. User has not connected plugs and connectors correctly and caused secondary damage or mis-alignment trying to correct secondary issue.

Physically replacing the ICs may appear simple but recognizing if a fault still exists or if correct repair is required causes many attempts at repair to fail. Keep it simple. Replace with good quality original part numbers, measure suspect resistors and adjust only what is necessary.

There are only 3 things to fix, IC failure, resistor failure and user induced secondary faults. Data processor and memory is bulletproof.

easyab

Apr 22, 2010 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

It appears the television has a convergence problem. I am pretty sure the red color does not line up with the blue and green. Is there a way to adjust the red manually? The magic focus does not fix the...


No not adjustable,Ur convergence it dead.Must replaced the 2 convergence ICS,and all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit to repair it ur self.The shop well cost U $300 for parts and labors.

Feb 06, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Picture has green and red ghosts. went to magic focus and it will not continue thru the red focus, then a #5 is on the bottom of the screen


Ur convergence is dead.Know how to solders?Must replaced two convergence ICS and all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit.Tv shop will cost u $300 dollars for parts and labors.

Jan 26, 2010 | Hitachi 51F500 51" Rear Projection...

1 Answer

Trying to manually fix color convergence on Toshiba 57H81


The convergence ICs and the six 1.8 ohm 1watt resistors need to be replaced. You can get the convergence repair kit for your model at www.tvrepairworld.com which has the Two Convergence ICs and the six resistors plus the CD with instructions on how to do the repair.

Dec 02, 2009 | Toshiba 57H81 57" Rear Projection...

2 Answers

Too much red!


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.
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.

Oct 08, 2008 | Hitachi 53SDX20B 53" Rear Projection...

1 Answer

Magic focus, #5 Manual


Sounds like a Convergence IC problem, the convergence ics would need to be replaced. This can be done by yourself or a professional.

Jun 06, 2008 | Hitachi 57S500 57" Rear Projection...

3 Answers

Hitachi 43VWX10B Rear Projection Television - color adjustment problem


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.
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.

Dec 25, 2007 | Hitachi 43FWX20B 43" Rear Projection...

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