Toshiba 46H84 46" Rear Projection HDTV-Ready Television Logo

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Kelsey O'Daniel Posted on Aug 05, 2007
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46h84 toshiba rear projection tv

Without any pattern my tv will turn off while in use. After unplugging then reinserting the power cord the tv will play for a while and suddenly turn off again. Red power light will begin to blink after the tv loses power. There is no sign the tv is hot according to touch. Also there is a small distortion of color in the middle of the screen, this happened recently after the tv began to shut off on its on. I would like to fix it but am ignorant in tv repair and would rather not be taken by a servicemen. Any suggestions?

  • Anonymous Nov 08, 2007

    shuts off automatically when returning to on it has blu screen and then shuts off again

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1 Answer

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  • Posted on Sep 05, 2007
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Possible yoke fault or deflection /ask for an estimate before the repiars are done.might cost you a service call.

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Related Questions:

1helpful
1answer

My 46h84 turns off and i have to unplug and replug

Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter
0helpful
1answer

When i turn my toshiba tv model #46h84 the green bulb lights up the screen but then shuts off and there is no picture! please help me out!!!

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.
0helpful
1answer

I have a Toshiba 46H84. We had a lightening storm one night and the next morning the satellite dish and TV were turned off. DVD player was not and worked fine. The satellite dish needed to be reset, but...

Yes, all sets are protected by a fuse where the power cord enters.

Start at the beginning--unplug the set and look for the glass fuse--should be a 5 amp or greater. It will be in a plug in holder. If you are lucky the strike or power outage got it.

Do this with the set unplugged.

Let me know what you find---I am here to help.

Total loss of power to the set indicates either the ac fuse is blown or the the power supply is damaged.

Unless a tech actually opened the set and looked at it he is just throwing darts at the board.

I am here to help--if my suggestion informed you rate this solution as "very helpful" as I do this here for free.

REGARDS, SD TECH
0helpful
1answer

Sirs: We were just changing channels and the

THE projection bulb is blown if no sound tv probably broken
0helpful
1answer

Toshiba 46h84 rear projection shutting down

I have a Toshiba 46h84 with similar problem that needs a new green crt. Mine does not have a cooling fan. I don't know if having a cooling fan would help the problem, but mine didn't come with one. There are rear projection TV's that have bulbs in them that require a fan. This particular model uses a red, a green, and a blue crt to generate the picture and probably doesn't need one.
0helpful
1answer

SCreen turns red then shuts off

The 46H84 has 3 CRTs instead of a lamp. Red, Green and Blue. Your red CRT is shorting out shutting down the set.Here is how you test that theory. Remove the speaker grille, there will be an access panel behind the grille remove that and you will see the CRTs red is usually on the left. hit the power momentarally to locate which tube is red. then power down and unplug the power cord. Carefully remove the tubes Circuit board. ( you may have to carefully slice the glob of silicone applied at the factory to get the circuit board off) Once you have the circuit board off the Red CRT make sure it isnt touching anything and try powering up the set. If the set stays on and the other 2 CRTs light up. That tells you the RED crt is shorted and thats whats shutting your set down. Let me know if I can assist you further.
0helpful
2answers

TURNS OFF BY ITSELF

my tv starts turning a red color and then turns off by itsself then i have to unplug it to turn it back on every 5 mintues or so.
0helpful
1answer

Toshiba 46HM84 DLP Black and white pattern..

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