Question about Toshiba 46H83 46" Rear Projection HDTV-Ready Television

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Television not recieving power

I have a Toshiba 46H83 that won't turn on, no lights at all. I had a repair guy look at it and said the power supply was bad and needed to be replaced...with an estimated cost for replacement being $650. This doesn't sound like a correct price for a power supply but I haven't been able to any prices. Any thoughts?

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Here is the power supply board for your set, 201.00 and you can change it yourself..If you have the smallest bit of electronics experience...

Posted on Dec 21, 2008


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Have vertical lines across the tv. Started as something that happened right when I turned the tv on (for 5 mins or so). Now it's all the time. Toshiba 46H83

you more than likely have a bad panel inside of your tv. you can have someone repair it but it's not recommended as it's pretty expensive. You should just invest in a new tv.

Jul 23, 2010 | Toshiba 46H83 46" Rear Projection...

1 Answer


Sounds like blown invertor board that powers the backlights (if it is LCD or PLASMA). If your lucky and its just the invertor board blown it could cost anywhere between £50-£150 for new board (without labour).. if you are UN-Lucky, then the backlights themselfs may have blown which is *usually* an un-economic repair.

Apr 05, 2010 | Toshiba 46H83 46" Rear Projection...

1 Answer

The toshiba 46h83 46in rear projection tv comes

the red flash you are talking about im assuming is the screen going red
that usualy means a red picture tube they break down
one way to tell turn the red screen control counter clockwise and see if you can control the tube gain
and then you can lightly tap on crt neck and i do mean carfuly and see if it flashes it most likely will and you would need to change the crt and reset it up

Nov 02, 2009 | Toshiba 46H83 46" Rear Projection...

1 Answer

Turned on tv have sound but no picture. toshiba 46h83

Most likely your convergence IC's are bad along with the two 5 amp pico fuses on the board to the left up front.

Oct 03, 2009 | Toshiba 46H83 46" Rear Projection...

1 Answer

Toshiba 46H83

Anthing could have happened from a blown fuse to a transformer. Dont tinker with it from the the outside get a repairman out there asap.

May 13, 2009 | Toshiba 46H83 46" Rear Projection...

1 Answer

Toshiba 46H83 won't turn on...replace bulb???

this sounds like a power supply, or a fault convergence board.

did you notice any problems before it stopped working?

Nov 14, 2008 | Toshiba 46H83 46" Rear Projection...

1 Answer

Toshiba 46in Rear Projection TV Model#46H83

sammy jo ,you burnt the tubes by leaving it on with a vertical collaspe faultmnow you have three damaged tubes,i also think that you also have a bad yoke which is taking out the new parts ,the cost is within reason,the shop repair is to insprct it deeped for possible other faults and damage already done.

Oct 14, 2007 | Toshiba 55H70 55" Rear Projection...

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