Question about Toshiba TheaterWide 52HM84 52" Rear Projection HDTV-Ready Television

1 Answer

I have a toshiba 52hm84 I just recenlty put in a new bulb and it has been working great. today I turned on the television and would get a good picture for about 1-2 seconds and then the screen would go black. I would change the channel and onlly get sound. Any ideas on what the problem might be?

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  • Toshiba Master
  • 3,459 Answers

Make sure the bulb door is secure..if not it will shut down the bulb

Posted on Apr 19, 2013

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Posted on Jan 02, 2017

premtech
  • 934 Answers

SOURCE: Toshiba 52hm84

It's either signal board or light engine and unless you're really pretty good at electronics neither one is something you should tackle. I do have the service manual for this unit and I would be glad to send it.. Just drop me an email premtech@willapabay.org and make sure you include the model number as well as what it is you need.. I get almost 650 emails a day so it's really hard to remember who's email goes with what problem. :) Good Luck Bill

Posted on Jun 11, 2007

  • 375 Answers

SOURCE: Toshiba 46HM84 DLP Black and white pattern..

contact your dealer for service flashfor this symptom.(light tunnel)

Posted on Sep 05, 2007

techman
  • 3130 Answers

SOURCE: Toshiba 52hm84 DLP buzzing sound after replace bulb?? no pic

You have bad capacitors in the power supply that took out the regulator, or the ballast circuit is defective. Not really a repair for the novice. Good Luck

Posted on Nov 07, 2007

electronick
  • 505 Answers

SOURCE: Toshiba 52HM84 DLP TV with new bulb but the lights keep blinking

They exact way the lights blink are telling you what the failure is. If the tv is firing the lamp and the lamp is bad, you will hear a buzz sound for about 1 second. The tv tries 8 times before it gives up and spits out the lamp error. Check the user manual for led diagnostics. If you put in a new lamp but still have issues, you've likely got a bad ballast (most common on this model) or colorwheel (less common). Both are part of the optical block (light engine) and I don't believe they're available as individual components from toshiba.

Posted on Dec 06, 2008

  • 630 Answers

SOURCE: My Toshiba 52HM84 blows bulbs

Ensure that you don't handle the bulb with bare fingers. wipe the bulb with meths and hold the buld with a lint free cloth when you're putting it in. If it's still blowing it's probably over heating so check the fan

Posted on Aug 22, 2009

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My toshiba tv 52hm84 is turning off by itself how do i fix it. i replaced the bulb. but it still turns off about 15 to 20 minutes after its on. the picture will start cracking before it turns off


you have not corrected the problem by replacing the bulb you have to probe more deeper into the tv.check your regulator in the power supply it is a ic maybe it is damaged also check to horizontal output transisitor Q405 IT CAN BE DAMAGE.Good luck.

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My Toshiba 52HM84 blows bulbs


Ensure that you don't handle the bulb with bare fingers. wipe the bulb with meths and hold the buld with a lint free cloth when you're putting it in. If it's still blowing it's probably over heating so check the fan

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hello i think when you put a new bulb in you have reset the bulb counter good luck

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It is possible the lamps may be defective or that they may be the wrong replacement for this model, as it may have a different wattage setup with the ballast. If you want to try to order the TB25 lamp from a different vendor, you can order the original Toshiba replacement lamp for this model (52HM84) from a major Toshiba parts distributor at the link below:

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Toshiba 52HM84 DLP TV with new bulb but the lights keep blinking


They exact way the lights blink are telling you what the failure is. If the tv is firing the lamp and the lamp is bad, you will hear a buzz sound for about 1 second. The tv tries 8 times before it gives up and spits out the lamp error. Check the user manual for led diagnostics. If you put in a new lamp but still have issues, you've likely got a bad ballast (most common on this model) or colorwheel (less common). Both are part of the optical block (light engine) and I don't believe they're available as individual components from toshiba.

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I have a 52" Toshiba


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Toshiba 52hm84 DLP buzzing sound after replace bulb?? no pic


You have bad capacitors in the power supply that took out the regulator, or the ballast circuit is defective. Not really a repair for the novice. Good Luck

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