Question about Toshiba TN55X81 55" Rear Projection Television

1 Answer

Toshiba tn50x81 "power regulator"

We were just told by a repair dude that it was our power regulator that was out on our tv. Can you tell me what the part number is so I can order it?

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  • Anonymous Aug 06, 2008

    I wonder if the problem I am having with my tn50x81 is the power regulator. I have to unplug the tv when I am finished with it and wait 6-8 hrs to be able to plug it back in to get it to turn on. This has not been a major problem except today it wont turn on at all, power button just blinks. Can you tell me if this is the same problems you were having. ty

  • Vista Electronics May 11, 2010

    The "dude" could be blowin' smoke.......What are the symptoms

    and we will try to help you...........T.

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1 Answer

MY HUSBAND FIXED IT FOR 7.OO BY REPLACING THE POWER REGULATOR - STR M6811A....SK9705
TV REPAIR WANTED 300.OO - CRAZY

Posted on Feb 02, 2008

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6ya6ya

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  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

Toshiba TN50X81 50 TV


More likely is the set is in shutdown---most common issue on this type of set is the convergence---to know you would have to locate and unsolder both 18 pin convergence chips---with them out of the circuit if the set comes on (will not look good) one of the two chips is shorted--these sets have very good protection circuits to prevent many parts from being destroyed at one time..
5_26_2012_3_32_10_pm.jpg

These are the chips--STK number is right on the front.

May 25, 2012 | Toshiba TN50X81 50" Rear Projection...

1 Answer

Tn50x81 vertical black lines moving across the screen


If your TV looks 3D, warped, or distorted it likely has a convergenge problem.
If however it just looks dull, washed out, redish, greenish, or blueish or if it looks like objects on the screen have halos the fluid in the lens has soured.
You can search google for parts or you can get the parts with repair instructions from sites such as www.TvRepairKits.com

Mar 01, 2011 | Toshiba TN50X81 50" Rear Projection...

1 Answer

I have a Toshiba TN50X81 Cinema Series HD the sounds works great but there's no picture. It just went blank all of the sudden. Opened it up and there's 3 bulbs and none of them are working. Can anyone...


the bulbs go out it is normal on projection tv's, you can order the new one online, just out in the model number of your tv and you will find it, be very carful not to touch the bulbs when they come or when you are putting them in the tv

Aug 11, 2010 | Toshiba TN50X81 50" Rear Projection...

1 Answer

Powers on but no picture


convergence ics need replaced suggest going to local tv repair guy and getting it fixed pretty cheap

Jul 01, 2010 | Toshiba TN50X81 50" Rear Projection...

1 Answer

No picture after replacing convergence ICs on TN50x81


You likely have shorted soldering. If you bought a kit from someone go back to their site and ask for help.

Jan 16, 2010 | Toshiba TN50X81 50" Rear Projection...

1 Answer

Convergence Issue on Toshiba TN50X81 - Service Manual & Parts Source?


Replace the convergence IC's - P/N STK192-110 with part STK192-150 or 180. Then you can go back in and make the detailed convergence settings and get your picture back in alignement. Also check the flame-resistant resistors around the ICs to make sure that none of them have opened up.

Jan 11, 2009 | Toshiba TN50X81 50" Rear Projection...

1 Answer

TN50X81 - one convergence IC runs hot...TV powers off after 5min


What was the STKs that was in set ? If 110s always upgrade to STK392-180s. If they were 392-560s go back with the same. they worked differently then the 110s 150s 180s

Nov 27, 2008 | Toshiba TN50X81 50" Rear Projection...

1 Answer

Toshiba TN50X81 Power Issue


We had this problem too. If finally got to where it wouldnt turn on at all. A service man came out and replaced the power switch. That took care of the problem.

Feb 23, 2008 | Toshiba TN50X81 50" Rear Projection...

1 Answer

FLASHING POWER LAMP


A power regulator or a sweep power supply problem. The power regulators in the main power supply, and will have or start with STR###-## The # are numbers or letters. This is a repair that should be done by an amature or layman. This is a solid state set, and there are no user replaceable parts inside these sets. Have it looked at by a trained tech, Good Luck

Sep 06, 2006 | Toshiba TN50X81 50" Rear Projection...

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