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Hitachi 61 rear projection TV convergance problem

Per the recommendation of one lister, I purchased the downloadable Repair Manual for my TV. I get code 4 when I try to run the "Magic Focus" (auto focus) on my TV. Before I pull out the convergance board to check those 6 resistors, the manual mentions checking the convergance sensor. However I can not find it's physical location in the manual. I have followed the wiring harnesses from the sensor power board. I see two large boxes mounted to either side of the TV's case and two small items above and below the screen (on the interior). None of these items appears to be loose. Is there any other checking of these components to be done? It's a Hitachi 61UWX10B.
Charlie Kuss

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You most likely have a fried convergence stk amp, code 4 just means the error is so large the sensor didn't see the test pattern because its outside the viewable area of the sensor. If I remember, the color of the code text tells you which color and the number was which sensor... so you could deduce which of the 6 channels failed, red h or v, blue h or v, green h or v. It really doesn't matter at this point. The burned resistor(s) will also tell you all you need to know. Buy this kit on ebay, X480293 and stop wasting your time. If you are lucky, after installing the kit, "magic" focus will be able to get you back in the ballpark. I have never seen it NOT need some amount of service level alignment after the convergence circuit is repaired, but that is a whole other lesson in PTV repair.

Posted on Apr 19, 2017

  • Terry Dovre
    Terry Dovre Apr 28, 2017

    Peter is right on the money with his answer.

  • Robert Jones
    Robert Jones May 04, 2017

    Yup.

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I concur with Peter and the others. After replacement of the defective parts, see p. 44 of Service Manual PA No. 0147 to begin the convergence adjustment procedure. If Magic Focus cannot get you in the ballpark at this point, it's entirely possible that none of the preliminary adjustments beginning on p. 39 will be required, but they might be. Still, often enough just verifying that Magic Focus is properly set up as outlined on pp. 45-46 is enough to allow convergence adjustment to be satisfactorily completed. That adjustment is far easier to perform if you have the transparent plastic overlay "Convergence Jig Screen" (Hitachi Part No. H312258) for this model, but those aren't easy to come by in this day & age; a suitable substitute may be made by constructing a grid using string materials (dental floss will work well) stretched between carefully-marked points on opposite sides of the screen. The grid specifications in the third diagram on p. 47 can be used to determine where to mark the opposite points (note that the measurements are given in millimeters). Good luck!

Posted on May 05, 2017

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Posted on Jan 02, 2017

Slinteriors
  • 8617 Answers

SOURCE: Have 2001 Hitachi 53swx12b rear

Sounds like the digital convergence board is faulty

Posted on May 20, 2008

SD Tech
  • 14553 Answers

SOURCE: hitachi 53UWX10BA rear projection.

UNSOLDER BOTH THE CONVERGENCE CHIPS AND SEE IF THE SET WILL COME ON-if one of them is now shorted--it will cause this kind of problem.

let me know if you have questions --I am here to help.

Rate this solution if this information helped you.

SD TECH

Posted on Dec 05, 2009

Testimonial: "Very helpful and with tons of knowledge and eager to help. Kind of person that makes this site great and your first stop for answers"

  • 8457 Answers

SOURCE: hitachi 61uwx10b needs more convergance work than

Know basic soldering?That all require changing convergence ICS all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit.

Posted on Jan 16, 2010

chipbug
  • 1 Answer

SOURCE: magic focus 4 error

Error 4 is listed as an overflow in the convergence section.
To fix:
1. Check the placement of the sensor
2. perform an Adjustment check of th H/V size & centering
3. Conv. amp. gain check, check these resistors:
R041, part # 0790024R, RES.CHIP 1/16W 100 OHM
R046, part # AQ00164R, RES.CHIP 1/16W 75 OHM TAPE
R050, part # 0790059R, RES.CHIP 1/16W 47K OHM
R058, part # 0790054R, RES.CHIP 1/16W 18K OHM
R062, part # 0790047R, RES.CHIP 1/16W 5.6K OHM

Posted on May 15, 2010

Ecollier2012
  • 3459 Answers

SOURCE: Hitachi 61UWX10B 61 in. Rear Projection

Projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both. Repair kits with instructions are also avail from www.TvRepairKits.com

Common Problem #1) Convergence has gone out

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....

  • 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.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


7859b01.jpg

e87380c.jpg
69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common 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

69189a5.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Posted on Mar 09, 2011

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Related Questions:

1 Answer

My 61swx10b the colors wont align the picture's bowed top & bottom & there is no sound


Ur tv convergence are dead.U must have a soldering iron and know how to solder to fix this problems.U must replaced 2 STk convergence ICS,and some or all it resistors.Tries websites like Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

Apr 24, 2010 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

Colors are not focused. blurred picture. was told it was converganc. manual focus doesn't fix it. please advise if it's worth fixing. Fred C.


Yes,Ur tv convergence are dead.Must know how to solders?Must replaced 2 STK convergence ICS,and some or all it resistors.Tries websites Tv repair World.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost U $300-$350 for parts and labors.

Apr 12, 2010 | Hitachi 61SWX01W 61" Rear Projection...

1 Answer

Hi,I have a problem with my Hitachi TV, The problem is deflection PCB, part # JT23274, model #43fdx20b, How much is cost to repair?


Hi, i'm a technician in florida.
The cost for me to referb a deflection assy is
289.50 plus tax.
i'll give you a nice tip...sometimes the convergence circuit temps to load the power supply...try to fix the convergence circuit first...then see if that fixed it.
convergence ic# stk392-110...try the stk392-120, they are more reliable...my e-mail bhzrdg@yahoo.com

Oct 08, 2009 | Hitachi 61SWX10B 61" Rear Projection...

1 Answer

Hitachi 61uwx10b needs more convergance work than magic focus can apply. Options for savvy DIY'er ?


Know basic soldering?That all require changing convergence ICS all it resistors.Tries Tv repair World.com,Tvrepairkits.com for the convergence kit.

Oct 02, 2009 | Hitachi 61UWX10B 61" Rear Projection...

1 Answer

Keep repairing a 8 yr old TV


If the TV still has a good picture then yes. Have the Tech replace the IC's with the Sanyo Type as they are a better quality IC. They cost about $30 each as opposed to the generic for $10 each. He should also make sure there are no resistors in the circuit that may have changed value.This could cause the IC's to go bad prematurely.

Jul 30, 2009 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

Seeing doubles


there is an adjustment called convergence.the convergence setup generates a crosshatch.you need to adjust the red deflection.this is a common thing when the t.v gets moved.the crosshatch or convergence button is mostly on the front control panel.consult the manual for where it is.

May 22, 2009 | Hitachi 61SDX01B 61" Rear Projection...

1 Answer

I wanna know how to access manual conv...alignment on my 61sbx01b tv...thank you


http://www.lbaileyht.com/Hitachi_DCAM_Manual.pdf
a general list of Hitachi televisions and controls and explains how to enter convergence mode and how to adjust it.

May 14, 2009 | Hitachi 61SBX01B 61" Rear Projection...

3 Answers

Hitachi projection tv


Solution:
Your TV has a convergence problem. Here are some of the most common symptoms.

Screen looks 3D
One or more colors can't be adjusted when using the convergence menu.
Screen is bowed in but stationary.
Here is a quick test....
Using your original remote go-to the tv settings then goto the convergence or magic focus 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 can get a repair kit that includes all the parts from www.TvRepairKits.com.
They have put together a kit for the Hitachi TV sets.
The kit includes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc.
Everything you need to fix it yourself. Its a fairly easy fix on the Hitachi sets.

Dec 29, 2008 | Hitachi 61SDX01B 61" Rear Projection...

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