Question about Toshiba 50H82 50" Rear Projection Television

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Toshiba model TZ55X71 pojection TV

After TV warms up, the screen will turn green then it will start to turn its self off for a few seconds, then turn back on. It does this about every 5 mins., and has just started this within the last several days. What can we do to fix this problem

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  • fish for fun Jul 29, 2008

    The Tv is way out of warrenty, and we like the tv, still has a great picture, every thing works great, except the problem we have, still need to know what to do to fix it

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More than likely its the lamp. You ned to open the tv up to check this. If you have no previous knowledge i'd suggest you get a professional since it contain REALLY HIGH VOLTAGES WHICH WILL KILL YOU.. Basically what you need to do is check the malp and replace if necessary. Other than that because of the Warmin up part you stated above (ONLY CUTTING OF WHEN IT GETS WARM) Changes are very hing there are cracked solder)circuits) on the board and it may need resoldering.

Posted on Jul 29, 2008

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If it's still under warranty you could bring it black to the place you purchased it and have them fix it for free. Trying to fix it on your own could not only make it even worse, but endanger you in the process.

Posted on Jul 29, 2008

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First you need to do a self test diagnosis and then if it comes up with:
SELF-DIAGNOSIS ERROR 23 OR 24. CHECK SOLDER CONNECTIONS AT CONNECTOR "DY" ON THE YOKES. 2. SHUTDOWN AT POWER WITH SELF-DIAGNOSIS ERROR 23 OR 24. CHECK C411 2200 UFD 35 V AND C412 10 UFD 50 V, BOTH LOCATED ON THE MAIN PCB
Do self test by pressing Input/Device and Menu at the same time for 5 sec. the set will show a 2 digit seq. first blinks followed by a short pause then the second.

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I have the same exact problem...for a few weeks the TV would turn off and the red power light would blink. Then the other day I started having exactly the problem you describe...green screen for a few seconds and then total shutdown.

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TV screen turned on for only 10-15 secs then self turn off, followed soon after by the tv power another 10-15 seconds later. if i try this a few times screen wont light up at all.Is it the TV Lamp?


1) Can be dust do a good clean
2)Check for the fuse and change it if needed.
3) Capacitor needs to be changed, you'll have to findout which one.

Hope it helps, good luck

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No Picture.


I have the same TV, your projection bulb has quit/failed.

A loud pop was heard and the picture has gone followed by a red led fault light clicking on and off.

if your tv is less than 1 year old, and you registered it with Toshiba, you could qualify for a free replacement.

otherwise expect to pay 200.00 for a new bulb from Toshiba.

only good thing is you can replace it yourself, only tool needed is a phillips screwdriver.

you can check EbaY for prices less than 175.00 to 150.00
i am on my 3rd bulb within 4 years....

good luck!

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