Question about Mitsubishi WS-55511 55" Rear Projection Television

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Convergence Bad Would like advise regarding potential repair expense from a Service Technician. Am I better off just buying a new set. The cost to just look at it is $150 + repair expense. If more problems are likely in the short term maybe better to cut my losses. TV is 5 years old.

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Changing the convergence IC's could cost $300-$400 total.CRT based TV rear projectors are more or less obsolete now,with everything going to DLP and LCD.These days 5 years is the expected life on these TV's (most extended warranty contracts only cover up to 5 years)

Posted on Sep 22, 2007


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Hi there,
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Good luck!

Posted on Jan 02, 2017


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Is there a way to manually adjust the convergence on a Hitachi HDTV modol #43FDX15B?

Hi James,

If Auto Focus (Auto Convergence) won't complete the set-up stop trying to adjust it. There is a fault in the convergence circuit!! ICs have to be replaced and maybe some burnt resistors.

If you access the service set-up menu and try to adjust the "defective" circuit the Auto-focus may not work correctly after the IC's, etc are replaced. Experienced technicians know that the service menu allow easy resetting to correct the misalignment, etc. "First Time" technician can be easily misled, waste a lot of effort and never get a correct picture.

If you want to attempt the repair, buy the correct parts from a service guy that does this type of work. I suggest having the repair done by a local competent technician that is experienced with Hitachi Convergence Problems. It is considerably more challenging than changing a fuse.

Our Convergence Gallery shows a variety of Convergence Faults. If you live in Toronto, ON., Calgary, AB., or Vancouver BC. it costs $257 for Hitachi in home convergence repair.

Good luck.


Nov 17, 2015 | Hitachi Televison & Video

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My ipod touch screen is cracked where can i get it fixed in the falkirk area and how much will it cost

You could get in touch with Apple Centre in Glasgow 0845 686 3100 or Cancom in Edinburgh phone number 0845 686 3100 and they will advise you of cost. It will probably be expensive though. You will probably need to equate the price with a new screen adn the potential of buying a new one.

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1 Answer

Can not find convergence on tv settings

Convergence settings are internal to the set on a circuit board somewhere. If you do not have a service manual for this set and some rather expensive equipment, it is unlikely you would be able to restore convergence.
Normally, convergence does not drift unless some electrolytic capacitors have aged to the point that they cannot maintain high enough voltage. This means that, even if you could find the pots that control the convergence, they would not be able to restore convergence.
The inside of a projection TV has DANGEROUS high voltages that can persist for WEEKS after the set is turned off. We are talking HEART ATTACK voltages.
You should have your set repaired by a qualified (insured) service technician.

Oct 10, 2009 | RCA HD52W59 HDTV Projection Television

1 Answer

Good day! my laptop acer model 5580 is having a problem in its hard drive and its on/off or power button was detached. A technician advised me to just buy a new it still repairable? if yes how...

The technician may be right or he might not want the job, to confirm ask another computer repair shop for a cost to repair.
It is impossible for me to advise of the cost without seeing the extent of the damage.

Jun 29, 2009 | Acer Aspire 5580 Notebook

2 Answers

Apex 51' gb5108

Just click below for convergence repair kit;

Double images and colors are blurry .Blue,red and yellow wave coming up from the bottom of the screen on the lower left and fuzzy images this is a symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;


Oct 10, 2008 | Apex Digital GB5108 51" Rear Projection...

1 Answer

JVC AV-65WP74 Blue, Yellow, Green curves on screen. Double Images. Help Please

Pin cushion distortion. It is an internal circuit fault. Contact any service technician. If you wish to get some details; visit the site linked here. Pull up older posts.

Apr 11, 2017 | JVC AV-65WP74 Rear Projection Television

1 Answer

Protron 42" tv

I would suggest to search for customers reviews of this product if you can google it. Personally I have not own one of this TV, I only service them.
I think LCD's and Plasmas are newer technology and the designers and manufacturers still trying to make them better. If you buy one of this TV, try buying the extended warranty if possible.
In regards to the power supply repairs, It could go from about $85.00 to $125.00 or it could be more expensive if you're buying a new board.

May 22, 2008 | Protron PLTV-32 Television

2 Answers

Ws-55511 went 3D

just visit ebay web site and search for item #230735864835.
this is a convergence repair listing,don't buy a repair kit if you don't know how to solder or you'll damage your board.
so try this guy and let the professional do the Job done right for cheap.

May 20, 2008 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer


Hello Socko,

By your post I gather that you have changed out the Convergence Correction Integrated Circuits? (both of them not just one) In addition you did change out the bias resistors? If so would you send a photo of the problem on the screen, and a step by step layout of what you changed out on the TV. These are needed in order to help you and so as not to revisit what you have already done. If you have not done any work to the set let me know also. This information is needed to aid you in a speedy repair of your TV device.

As far as part numbers the major components are the STK329-110s or STK329-150s which can cost from $5.99 - $16.95 depending on where you buy them from. The biasing resistors which are usually purchased in lots of 10 will cost you about $10.00 - $15.00 depending on where you buy them from.

The above parts costs are based on component level repairs. Now if you just want to replace the convergence board, then it can get costly.
The price of a convergence board can go from $75.00 - $300.00 depending on where you buy it from.

All of the costs mentioned are just for the parts alone you still have to deal with (if you have someone to put these parts in) service fees and labor fees (these are two different things).

Thank you,

Oct 18, 2007 | Panasonic PT-53TW53 53" Rear Projection...

2 Answers

No power with remote or manual power switch

Your convergence module is probably bad. It is a plug in module, so labor would be lower if the convergence settings are still good. The bill would be about $300.00 If not, the labor for convergence would add to the bill. If the whole job needed full convergence the cost would be about $500 to $600. Hope this helps, Lee

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