Question about JVC AV-65WP74 Rear Projection Television

4 Answers

Convergence IC"S I changed the ic's in my JVC- AV-65wp74. it helped the sagging but did not fix the problem. some of the solder points on the board looked as if part of the board seperated from the board. i am thinking this is the problem as when i soldered the new ic in place the solder did NOT bond as well as the others!! What should i do next. Replace the board maybe??

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  • Tim Buckley May 04, 2008

    About Six months ago i changed the IC's in my JVC.. AV-65wp74. The TV worked better but not perfect. When i soldered the ic's in i noticed that on two of the spots that recieve solder did not bond with the solder as well as the others.. I tried to resolder them at least twice each, the solder did NOT bond as well if at all to the board. Should i just replace the board??

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You change/replace the board, it is useless for you anymore... it will not do..

Posted on May 04, 2008

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All you need to get is flux from any of the pc repair shop and use the paste along with the soldering wire to get the oxide out which will help you to get the solder done correctly.

Posted on May 04, 2008

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    Maanita Chadha May 04, 2008

    Please dont rate helpful in case it didnt leave it blank or rate fixya. thanks

  • Maanita Chadha
    Maanita Chadha May 07, 2008

    Before you replace the board why dont you resolder the component you might not have to replace then.

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Hello tbuc

I supose the easyest way to solve the problem would be to replace the whole board.

as you have already tryed to solder them again and again.. I'd say do it again, and while your at it check if any other components might be bad, capasitors etc etc..

If this solution was any help at all please press accept or ask more questions with the other button.And if you need anything else let me know, you can ask me 24/7 by clicking
on the ask me button, I will ansver in most cases within 24hours.

Thanks and good luck!

Posted on May 04, 2008

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Not unless you damaged the board, & theres no part of it have to be soldered and circuit is damaged, then it could be needed a new board.. but try to check if theres something to correct into your soldered parts and correct it again using a soldered pump to remove the bad solder.

thanks

Posted on May 02, 2008

  • micromaster
    micromaster May 04, 2008

    not unless you don't need solution, instead you want suggestion..

    you may replace the board, if that's what you want..

  • micromaster
    micromaster May 04, 2008

    clean & scrub the surface, for you to make the solder lead stick

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Posted on Jan 02, 2017

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1 Answer

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Yes it is worth fixing . You can fix it yourself for about $ 21 . You need to replace the convergence I.C. chips , The part # is STK392-310 . you need two of them . You can get them from bluestar-online.com . They are about 6 bucks a piece and about 10 for shipping .

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Need a repairman - unless you've done soldering and electronic component replacement b4.
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See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html

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Hi, sounds like your convergence IC`s have failed if one of the colors doesn`t adjust either up/down
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1 Answer

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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.
http://electronicshelponline.blogspot.com/

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convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
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1 Answer

Red Convergence on JVC AV- 65WP74


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