Question about Toshiba 51H84 51" Rear Projection HDTV-Ready Television

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Screen turns blue then shuts off.

My tv turns blue while watching it then turns off, the red indicator light flashes. the only way to get it to come back on is by unplugging it and plugging it back in. What can I do to fix it?

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  • Anonymous Sep 17, 2008

    I have the same problem - except mine turns red!

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  • 10,594 Answers

I already replied but once again..
Symptom shows Blue CRT (picture tube) in your TV might defective and need to be replaced. Its high tech repair issue, so contact tv tech person if you don't have enough knowledge about tv repair.

Posted on Sep 05, 2008

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1 Answer

What does it mean when the picture goes blue? the picture turns blue while we watching it


Typically it is an indication that the blue CRT is failing. If screen turned red, then the red CRT would be failing, etc..

Sometimes you might see the screen flash blue and then go solid blue, then shutdown.

You need an experienced repair person to fix it. It can be expensive.

Mar 20, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Why does my tv turn on for a little bit but cant see the screen and a red light flashes


Tv red LED lights indication front of the bazel screen flashing are most common problems.When was the last time the projection lamp was replaced in this tv?The lamp in the tv now,is it in the the tv about 1 1/2 or 2 years and tv on watches about 4 or 5 hours a day in used?The projection lamp life are over.Require a new projection lamp.

Aug 03, 2010 | Sony Grand WEGA KF60XBR800 60" Rear...

3 Answers

Screen went dark


Ur video ic inverter board is dead.
U need a new one.

Aug 25, 2009 | Projection Televisions

2 Answers

TV flashes blue and then shuts off!!


this is most likely a short in the screen grid of the crt open the front lower under speaker cover and adjust the blue screen control .. turn it down with tv on might solve the problem

Mar 02, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Tv turns blue the shuts off.


symptom shows Blue CRT (picture tube) in your TV might defective and need to be replaced. Its high tech repair issue, so contact tv tech person if you don't have enough knowledge about tv repair.

Sep 05, 2008 | Toshiba 51H84 51" Rear Projection...

1 Answer

Won't turn on.. Operation indicator is red, Lamp indicator is flashing red??


According to the E44W48LCD service manual, the temperature indicator red light states the projection TV shut down due to overheating. Red (flashing) states the projection TV shut down, check the cooling fan.

Nov 09, 2007 | Zenith E44W48LCD 44" Rear Projection HDTV

1 Answer

TV Problem with shutting off by itself


Mine just did the same thing.  Except for it was green instead of blue.  The service manual states 8 flashes from the light stands for an overvoltage.  After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors.  BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here.  I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down.  I then waited about 10 minutes (don't know if this made a difference).  I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again.  Only adjust one at a time, the order for colors are blue, green, then red from the left.  I hope this fixes your problems.  Be careful when working inside a tv,  I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.

Sep 16, 2007 | Sony KP-51WS500 51" Rear Projection...

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