Question about Zenith R57W46 57" Rear Projection Television

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Convergence IC replacement

Hi there - a local repair company has told us the IC's required replacement in our TV. They then told us that the parts were back ordered with no ETA; I have since found numerous companies online with replacement parts with the same part # but they are all a different manufacturer. My question is this; are parts with the same # truly the same? does the manufacturing brand matter if the part numbers are identical? thank you!

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  • Zenith Master
  • 8,617 Answers

No as long as the STK number is the same they will work. Just be careful where you get the parts as alot of places online sell cheap chinnesse made ICs and they wont last. I usually get mine at the following link, and I havent had any trouble with their ICs.
http://servicemanuals.vstore.ca/

Posted on Jul 25, 2008

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Posted on Jan 02, 2017

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My panasonic rear projection tv does not turn on the red light blinks 3 times


Hi,
3 times red light blinking indicates that tv got problem of convergence output ICs failure and need to replace two big black ICs (convergence output) to solve this problem.
IC replacement requires soldering work and good knowledge of electronics stuff repair, please cal local tv repairman if you do not have prior experience of such work to avoid any damage.
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The tv have a problems known as a convergence problems,it dead.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.The tv convergnece board,must have these parts changes on the tv convergence board to solved the tv picture convergence problems.The shop,will cost u like $300-350 for parts and labors.

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U can solders wright?Buy a convergence kit at Tv Repair World.com.To repair it ur self.Try U Tube.com for some sample for replacing some DLP tv IC convergence problems.

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Panasonic projection Model #PT-53TW53 displays double images and projects shadows on all text. Scrolling banner on bottom of TV scrolls slightly upwards and back down with shadows over text.


This is failure of convergence out ICs in TV that will be replaced, requires soldering work to replace two big ICs STK392-110 (convergence out) on main board. If you are not comfortable with replacing ICs, ask help from local TV repair shop.
Required ICs are available in Part Store.
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Our TV (Mitsubishi WS65711) is 6 years old, and has recently started showing a blue ghost image on everything. It stopped for a while for a week or two, but started back up, and has continued ever since. I...


You have convergence problem in your tv as your local repair shop told you. You need to replace convergence IC . YOu can get from the link below .

Convergence IC can be obtained from the link

You need to replace both convergence ICs .It will cost you around $30
If you can replace it by yourself . If you take to repair shop they will charge you around $200 for this job. .
The IC number is STK393-110 .
You can get some idea on how to replace convergence IC from the link below
http://www.fixya.com/support/r704766-convergence_solutions
Hope this helps .

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I believe you have convergence problem on your rear projector TV. It require to replace may be 2 IC output convergence or the convergence drive, after replace those component you need to readjust convergence which mean you move the RED GREEN BLUE to be 1 on top each other you must have the remote control and service manual to get into the service mode, if you thing you can get those part in your country the service manual I may help you with that, ask your husband if he like to challenge it. I hope that is give you some ideas
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This is likely your convergence ICs(chips). If you can bump it then the ICs (chips) are still ok, it just needs resoldering.
my company charges $300-400 for the full repair (replacing ICs, full realignment plus cleaning)
if you can find a company that will resolder for you, it could cost $100-200 maybe. if you are a handy person with soldering skills, you could repair yourself. i can instruct if needed, but convergence IC soldering requires decent soldering skills. you will find the ICs on the largest heatsink in the tv. the part number starts with STK. if you replace them, check the resistors in front of them and replace accordingly. most toshiba will blow up to 3 fuses (f850, f851, f852)

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1 Answer

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