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Question about Toshiba 57H81 57" Rear Projection Television

1 Answer

Toshiba big screen

Did you ever get your bigscreen fixed with the ic convergence issues?

Posted by Anonymous on

  • Anonymous Sep 15, 2008

    what did it end up being?

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1 Answer

Anonymous

Yes. I did get my Toshiba 57H81 Fixed. But the remote control doesn't work afterward. I have to pull the mainboard out again to see if there is any problem during the IC replacment.

Posted on Sep 15, 2008

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1answer

How do i fix my toshiba flat screen 57" tv when it looks like it is 3d

Howdy;
It sounds like the convergence IC's have failed.
Replace the defective Convergence Output IC Part Number 23905094 (STK392-110) using the revised “T” version IC Part Number 23135090 (STK392-110T). When Convergence Output failure is detected, it’s recommended that both IC’s be changed to the “T” type IC version. Inspect the Convergence Output IC’s for the “T” type version.

1420-B Toshiba Dr.
Lebanon, TN 37087
Fax: 615-444-7520
www.tacpservice.toshiba.com/tacp
Good Luck, Big Irish.
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I have a Toshiba rear projection TV model # 50H71 for about a month the tv would randomly pop off (lose sound and picture) for about 45 seconds and then come back on now th picture is reduced in size by...

Good Day,
The TV has a convergence problem; the IC’s for that circuit will need to be replaced. The cost for this repair runs around $450.00 or more.

Replace the defective Convergence Output IC Part Number
23905094 (STK392-110) using the revised “T” version IC Part Number
23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version. Inspect the Convergence Output IC’s for the “T” type version as
shown in Figure 2. Replace the Convergence Output IC’s using the “T”
type version Part Number 23135090 (STK392-110T).

Thanks for choosing FixYA, Big Irish
0helpful
1answer

I have a toshiba big screen tv we believe both convergents need to be replaced we do not have 300-365.00 to repair it . I know how to solder can I do it myself???? model#57H81

convergence output IC problem. convergence board would have to be removed - remove and replace 2 STK IC's and check the surrounding resistors. Shops usually charge between $200-$400 Be sure to vote/rate me if this helped Thanks!
See link for more detail
http://www.ehow.com/how_4575598_yourself-projection-tv-repair-convergence.html
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What do convergence chips look like

f37d630.jpg
This is what a convergence IC looks like.
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Toshiba big screen The tv is like double exposed . I have a toshiba big screen tv and I have double images in red and green. How do I fix this problem?

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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HELLO SOUND LIKE YOU NEED TO CHANGE YOU IC CHIP'S ON THE CONVERGENCE BOARD.1!1 THERE WILL BE THREE OF THEM .!!! CHANGE ALL OF THEM AND THIS SHOULD FIX YOUR SET. "GOOD LUCK"
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Problem with TV screen?

Good Day, deon453;
Sounds like a convergence problem.
Corrective Action: Replace the defective Convergence Output IC Part Number 23905094 (STK392-110) using the revised “T” version IC Part Number 23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version.
Good Luck, Big Irish.
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1answer

Toshiba 40who8b convergeance problem

Good Day, harri1234;
Sounds like a convergence problem.
Convergence Output IC Failure
Corrective Action: Replace the defective Convergence Output IC Part Number 23905094 (STK392-110) using the revised “T” version IC Part Number 23135090 (STK392-110T). When Convergence Output failure is
detected, it’s recommended that both IC’s be changed to the “T” type IC
version.
Good Luck, Big Irish.
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This is a convergence issue. Have you tried going thru the convergence touch-up thru the menu?. If you have and it does not cure your problem, the convergence ic flat packs have to be replaced. The average repair is around $200-400.
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Toshiba big screen tv

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
http://www.hdtvoice.com/voice/showthread.php?t=28929
Or send to ptscorp.com
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