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

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Toshiba 2004 i have a toshiba 2004 model: 52HM84 Chassis: PAC0490 i have a power supply pro. i try to turn on the TV the red light comes on, and then the green light comes on and blinks and then the power goes off what do you think might be the pro. with it if you come help thanks

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Hi, your tv is in cycling in error mode no picture, chances are your projection bulb has failed and may need replacement.

Posted on Sep 01, 2008

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Thats the protection ciruts causing the off and on,probably 1 of the modules.had simular problem with mine and it turned out to be the pcbaudio/video module a common problem with this mobel of TV costs about 168$ can for the module i hope this helps.From Moonbasealpha cheers mate....

Posted on Jul 04, 2008

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1 Answer

My toshiba tv has no sound,what is causing it to malfunction


I have a Toshiba 52HM95 the red light and the green light keep coming on but I get no picture but I can hear the sound very good what could it be please help

Jan 13, 2013 | Toshiba TheaterWide 52HM84 52" Rear...

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Repleaced lamp on Toshiba DLP 52HM84... still wont turn on. It goes through the auto start up 8 times and still no screen. The red and green lights blink at the same time. What does this mean?


The fault is indicative of the lamp circuit, check the lamp fittings, check the power circuit and the ballast.
If the voltage insufficiency is present from the power supply it can lead to low current and thus the lamp will not power up. Also if the replaced lamp is faulty, not of original quality or if there are connector issues, this must be rechecked.
Check all the connectors on the power supply side and the motherboard. remove and reconnect.

Oct 13, 2011 | Toshiba TheaterWide 52HM84 52" Rear...

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I have a toshiba 52hm84 green light blinks 10 but the red lights steady i change the lamp still same.no picture


Hello,

Your power supply board is dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help in solving the problem.....

Dec 31, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

When I turn on the TV the sound comes on but there is no picture. It turns off/on automatically several times then the green and red lights blink with no sound.


this is common problem for rear projection TV set's you have to replace the BULB after a approx. time of 2 years I found the lamp you need

http://www.discount-merchant.com/SearchResults.asp?Search=52HM84

Sep 17, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

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.

Feb 21, 2010 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

Problem with Toshiba DLP Projection TV Model #52HM84


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:

Toshiba 52HM84 Replacement Part TB25 Lamp / Bulb

Apr 10, 2009 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

Screen remaining black after the TV is turned on


Some newer sets appear that way when there is NO signal to the set. That and my Sony looks like that when the bulb is burned out.

Dec 23, 2008 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

TV has sound but no picture


It is possible one of the internal fuses blew out.
It could be a bad horizontal outut transistor.
It could be a bad secondary of the power supply went bad
And many other things.
If it's just a fuse, it won't cost much, but a lot of them do not look like you would expect a fuse to look like.It might be a little yellow, green, or gray rectangualar box shaped part. :D

Dec 16, 2008 | Toshiba TheaterWide 52HM84 52" Rear...

1 Answer

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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