Question about Hitachi 50FX48B 50" Rear Projection Television

1 Answer

On and off rear projection 50''

My tv turns on and remains on for sometime then for no reason it turns off. I have a cable box hookedup to it. this problem began after a short power outage. I have disconnected the surge protector and plugged the tv in to the wall,problem slowed but did not completely stop.Its almost as if the timer is stuck or something, please help.

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  • Dwayne Houston Jul 20, 2007

    No to the red light remaining on...I think it may be one of my components. I have replaced the cable box and removed my ps2 gaming system.We'll see if this does it,,,thanks

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  • 150 Answers

Does the red light remain on on the front? Hitachis are notorious for bad relays.

Posted on Jul 18, 2007

  • les lake Aug 03, 2007

    Might have a bad power regulator if not the relay, I would replace the current sense resistor as well.

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I have a 50A60 toshiba 50 in rear projection tv I have a green screen no pic but I have sound


Is there a cable or Satellite box hooked up for signal?

How and where is signal connected to the TV?

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Tv turns on and off randomly


A number of possible reasons for this but clarify if you can:

Turns on by itself?
When turned on it will sometimes turn off and then back on?

When was the lamp last replaced in this unit?
Has the screen become somewhat darker recently?
What if any other issues have you noticed?

Lastly is the signal for the set from a cable or Satellite box?

let me know as much as you can, the problem is not real common so as much information as possible is needed.

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Problem with the Optoma DLP 50 in. Rear Projection HDTV-Ready. Television screen remains dark but I get sound.

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Tv cuts off every time I turn it on and it's connected to the cable box


This would be due to a bad power supply unit inside check out these folks they offer reasonable repair rates. www.teexp.com I sure hope you do find a solution with them.. Please don't shoot the messanger now.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

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Green color has taken over tv


OK IF THE COLOR GREEN HAS "TAKEN OVER YOUR TV" AND YOU USE A CABLE BOX, ITS PROBABLY THE CABLE BOX. I HAD THE SAME PROBLEM. YOU JUST NEED TO EITHER HIRE SOMEONE TO COME TAKE A LOOK AT THE TV AND/OR CABLE BOX, OR BUY A NEW CABLE BOX AND/OR TV! SIMPLE,HUH?

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1 Answer

Toshiba 50HX81 projection 'tv- blinking red light


The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

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TV won't turn on with remote


Unplug your set from the wall and wait a few minutes. This fixed the same issue on my 50V715

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Closed Captioning


Does this happen with a HD cable box and does it happen with a DVD or VCR playing on it?

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