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My model#46h84 tv shuts off after a couple seconds and the red light next to the power button blinks. sounds like this is not an uncommon thing. its football season, please help! thank you. its a toshiba by the way.

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  • aristia Sep 19, 2008

    experttv,



    Thanks for responding! I'm not familiar with a meter and solder, but I have a good friend who is an electrician. Is that something he would have? Or is it related to TV's only?



    What is the convergence circuit? Is replacing the power supply something we could do ourselves, or would we have to pay big bucks for someone else to do it?



    Aristia Hummel

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There are several things that can cause this problem. The most common is the convergence circuit, the other common problem is the Z801 module in the power supply. Do you know how to use a meter and solder?

Tim Nolan

Posted on Sep 19, 2008

  • experttv
    experttv Sep 19, 2008

    If you are not expereienced with soldering and a meter you most likely will need to pay big bucks to have it done right. The repair should run you $300-$500 depending on whats wrong and what area you are in.



    Tim Nolan

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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.

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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.

Mar 25, 2008 | Toshiba 46H84 46" Rear Projection...

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For the first one, please list the model number and count the blinks. Also, can you please post each problem separately. It will get too confusing trying to address 3 sets with different but similar problems.
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