Question about Toshiba 53H71 53 in. Rear Projection Television

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Tv won't stay on

When I turn the tv off, it shuts off right away-it doesn't even have time to have a picture. The code displays a 2-2, a short protect circuit. I've replaced the convergence chips about 8 months ago but noticed there was a yellow horizontal line going across the tv the night before it quit working. I have 2 new convergence chips and about 4 new resistors(although they don't look burned ). Where should I begin looking/testing?

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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Vista Electronics

  • 1694 Answers

SOURCE: Wavy picture except when displaying a 1080p image

Elsewhere! Bad hyper board =bad caps on board need replacement = find a different tech who has heard of this repair or
have him research fixya / Toshiba/ 42H81 / hyper board ......T.

Posted on Nov 23, 2007

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Anonymous

SOURCE: lines in picture

I had this problem around the time my TV was 3 years old. I ended up having to get it repaired at a TV repair place, it cost me $375.

Posted on Nov 28, 2007

Vista Electronics

  • 1694 Answers

SOURCE: toshiba tw40f80, replaced both convergence ic's, power light still blinks

Solder yoke plug and vertical IC connections.....try again.
Let me know.....T.

BTW....Tosh recommends STK-392-110's replace with -110T's
Toshiba OEM.....then there is no question about resistor value
change......

Posted on Aug 03, 2008

Anonymous

  • 111 Answers

SOURCE: slight convergence problem after changing convergence circuits

My experience has been that the resistors have fallen out of range. These aren't expensive and neither are the caps that surround this area. If you're pulling the board out to change the resistors, might as well change the caps, too. If you're strapped for cash, but have a multi-meter, you can test the caps and the resistors after they've been taken out of circuit to save a little green. Let me know if you need any help testing them; I'd be glad to help.

Posted on May 22, 2009

Sparko1

Mark Wakefield

  • 167 Answers

SOURCE: My TN55X81 is showing the same problem.

Replace the IC's with STK 392-110T.
Toshiba has a Service Bulletin on this problem.

Posted on Aug 02, 2009

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Try this to help to narrow it down:

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