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Attn sd tech-convergence problem with my 53" Hitachi rear projection 10 years old-wwould like to repair it myself

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  • nevens53n Oct 07, 2010

    the picture is bowing on the edges and images are ghosts-when I go into convergence mode
    the lines do not line up and are not able to alighn-they are bowed toward the outside
    it is one large single plus sign

  • nevens53n Oct 07, 2010

    ok thanks

  • nevens53n Oct 07, 2010

    sd tech-seems I have a convergence problem with my 53" hitachi rear projection 10 years old
    ghost images-bowing of picture-in convergence mode-large plus sign - the lines will not alingh
    into a white cross-is it worth attempting to fix myself or should I REPLACE IT-is it worth anything in its currant state? thanks

  • nevens53n Oct 07, 2010

    how do I accept solution

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Ok, what is the problem exactly? What is the model number of the TV? Are you hoping to get help locating the parts? The repair is very difficult unless you've done TV repairs before... it's very possible to do more damage than good.

Let me know if you really want to still proceed along with the info requested.

Thanks
Tim

Posted on Oct 07, 2010

  • Tim Grayson
    Tim Grayson Oct 07, 2010

    It sounds like the tube itself is at fault, or the individual convergence ICs... My first thought would be the tube for sure. Unfortunately that is the most expensive part of the TV.. and is extremely difficult to replace yourself.

    Thanks
    Tim

  • Tim Grayson
    Tim Grayson Oct 07, 2010

    If possible please come back to the question here and click the Accept
    This Solution button, otherwise I don't get credit for the help
    provided.



    Thank you so much,



    Tim

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MY 6 YEAR OLD HITACHI IS GOING INTO THE SHOP FOR THE FOURTH TIME DUE TO CONVERGENCE PROBLEMS. I AM RAPIDLY APPROACHING THE DOLLAR VALUE OF THE ORIGINAL PURCHASE PRICE IN CONVERGENCE REPAIRS. THIS REALLY...


Some advice: You will not get much of a response from Hitachi; they are currently involved in several class action lawsuits over a newer model and deny they even knew it had any problems which is a joke as parts were being rushed on hundreds of sets with same problems.

In your case I would ask a few questions: Same shop doing the repair every time?

Did they change BOTH convergence chips each time?

I have seen some shops where they only replace one and within a year or so the other goes out and also I have seen from a Major company where a tech replaced the chips (only one) and did not apply heat sink grease to it.......lasted about ten months.

If a shop repairs your set you (law here in California) are entitled to the old parts being returned to you.

The only other possible reason for this is one of the convergence yokes is pulling too much current; they are located on each of the three picture tubes and I have seen only four sets where this caused repeated failure of the chips.

Check your old repair invoices/receipts: were you charged for two of the chips (Usually STK-392-110 OR STK-392-150.)

Either the repair was not done correctly or there is another problem; current can be tested on the yokes to see if one or more are pulling too much current.

Let me know if you have questions as I am here to help.

SD TECH

Sep 01, 2011 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Sony KP-65WV600 10/26/2002 rear projection TV. Blue gun went out and glows orange. Convergence chip is out (can not adjust convergence). Sony refuses to help saying my model is not covered by any offer....


The convergence repair if done is possible do it your self; If you have also a bad blue picture tube or some issue related to the tubes then the set is beyond any reasonable repair.,

not always easy to replace a set that cost in its day a lot of money but it is now about 9 years old and that is about average to this type of set.

SD TECH

May 13, 2011 | Sony KP-65WV600 65" Rear Projection...

1 Answer

Attn sd tech i have a code 2 2 how do i repair?


It means one of the two pico fuses for CONVERGENCE is blown.

I will attach photo of the fuses; they and the two convergence chips this set uses are on the middle circuit board--also a photo of a typical IC.

Parts cost on EBAY will be under 20 dollars.

Instructions tell you everything you will need and exactly how to do the repair.

Give me a email and I will send them free.

If this was helpful rate this solution as very helpful as I do this here for free.

SD TECH


6e5111f.jpg


f13ee0f.jpgChips will look like this but have the STK-392-570 ON THEM.

Sep 17, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

I HAVE A 7YR OLD HITACHI REAR PROJECTION TV THAT HAS WENT VERY BLURRY--NO MATTER WHAT IS BEING WATCHED---TV-WII--ETC


GO to customer menu and with the remote select convergence--if skewed and will not move in some direction, convergence problem.

Total parts cost on EBAY FOR PARTS would be under 25 dollars.

This can be a do it yourself repair.

Comment here if you need assistance.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.

SD TECH

e51fc2e.jpg



dd852b0.jpg

Aug 25, 2010 | Hitachi 53FDX20B 53" Rear Projection...

2 Answers

I am having a convergence issue with my Panasonic Rear Projection Television. Is this something I can repair myself? If I did hire someone to fix this for me, about how much would this cost?


I am the right person to talk to.

If convergence problem total parts cost on EBAY would be under 25 dollars AND I HAVE START TO FINISH, STEP BY STEP INSTRUCTIONS FOR THE DO IT YOURSELF PERSON TO DO THIS REPAIR.

THE instructions tell everything you will need and the best way to get at the two STK-392-110 CHIPS THAT NEED TO BE REPLACED.

Repair involves getting at and replacing both chips, it does involve being able to solder--not hard on this set.

If you want the instructions here or provide a email I will if you rate this solution very helpful give them to you for free, they are based on my actual experience doing hundreds of these sets with this problem.

See attached photos of what the chips look like and what a typical convergence problem looks like.

SD TECH





3590cf2.jpg The black parts are the chips, this is Hitachi but EXACT SAME TWO CHIPS ARE USED.




ca77e72.jpg
Typical convergence problem; no two will look exactly the same.

Aug 22, 2010 | Panasonic PT-53WX42 53" Rear Projection...

1 Answer

I am seeing shadow pictures and red colors on my screen


If it looks like the attached photos it is a convergence problem and typical.

I can tell you what is needed to repair this if you are a do it yourself person.

Let me know if the photos look ANYTHING like your problem.

STEVE--SD TECH

0405838.jpg




6706fc4.jpg

Jun 10, 2010 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

I have a double screen , bended on the sides what is the fix??? red kind of 3 D. It is a Hitachi 52 in projection hdtv model # 53fdx20b. Aprox how much will it cost to fix? Can I fix it myself?


You can fix it yourself but it involves two things--being able to get at the convergence chips and being able to solder etc....

Not a difficult repair and total parts cost should be under 30 dollars.

Let me know if you need help as I am here to help.

I will give help and options if you ask.


IF THIS HELPED YOU rate this solution as I do this here for free.

SD TECH

Jan 30, 2010 | Hitachi 53FDX20B 53" Rear Projection...

1 Answer

Yellow and blue overlapping creating a shadow. tried majic focus but convergence seems to be off. can i fix myself Hitachi projection


Yes,U know how to solders?Must replaced the 2 convergence ICS and all it resistors. Buy a convergence kit at Tv Repair World.com,Tvrepairkits.com.To repair it ur self. The shop will cost U $300 for parts and labors.

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

1 Answer

Hitachi 50" convergance amplifier problem fix


hi, which amplifiers??? audio or convergence ? repairing yourself means you are proficient at solder re-work and posess that equipment, I own a 9 year old Hitachi projo and wouldn`t trade it for any of the new formats, I can advise you where to get the ic`s once you tell me which circuit has actually failed, video-tek

Jun 05, 2009 | Hitachi 53UDX10B 53" Rear Projection...

2 Answers

Picture problem


the problem is convergance the amplifiers (two of them) have failed. posibly some resistors or pico fuses are bad along with them. they need to be replaced then realiegn the convegance. the cost of repair may be $200.00 to $350.00 depending on the tech you get.

Feb 08, 2008 | Hitachi 53SWX12B 53" Rear Projection...

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