Question about Toshiba 50A50 50" Rear Projection Television

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Shuts Off 50A50 - periodically picture freezes for a moment then TV blinks off and on and resumes with regular operation.

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Re: Shuts Off

Theres a digital comb circuit that causes this symtom. Not a repair job for the amature.

Posted on Sep 02, 2006

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My Mitsubishi Medallion tv stays on for about 10 minutes and then shuts down and won't turn back on until a period of time has passed. It is a rear projection tv about 9 years old. Can anyone help ex

When it shuts off and the green power light goes off, press both the menu and input buttons on the front of the set (not the remote) and hold both for about five seconds and release.

Power light will blink a two digit error code like 2 blinks and then 3 blinks and repeat it several times.

What is the error code?

Nov 14, 2011 | Mitsubishi WS-55819 55" Rear Projection...

1 Answer

My KP-51HW40 clicks off after running for a period. The red power light blinks when it goes off but screen stays dark. When TV is shut off for a while it restarts and runs fine. The "On"...

KP-51HW40 shuts off due to incorrect white balance and blue arch lines is an evidence of that incorrect white balance. I hope tv standby red light would flashing 5 times then 3 seconds pause and again 5 times when tv shuts down.
This is rear projection tv that has three picture tubes (red-green-blue) inside to generate picture that projected at front screen. These three picture tubes must be drive with correct drive voltage to produce good picture of each color.
Solution for your tv problem is Screen Voltage adjustment that can be done easily if you are handy with electronics stuff repair.
Let me know your expertise level to guide you more and if you feel unconformable by tv repair then local tv repairman will help you to adjust white balance in tv.
Hope these info will help you.
Let me know if you have additional questions.

Nov 05, 2010 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Seems like only on HD inputs

U must have HD subscription to get HD channels.If u do ur HMDI have a sort or not leave it to factory setting it work ok right?

Aug 24, 2009 | Toshiba 56HM66 56" Projection HDTV

1 Answer

Toshiba 50A50 whit no picture

cant understand what you going on about

Jun 04, 2009 | Toshiba 50A50 50" Rear Projection...

1 Answer

Big screen no picture

find the service manuel at and it tells you what each blinking light means.

Oct 07, 2008 | Sony KP-51WS510 51" Rear Projection...

4 Answers

Model kdp65ws550

High voltage protection. Either transistor Q8014 04 Q 8013 is shorted along with R8051 on the D board or IC 8005 is defective on the D board. Let me know if you need more assistance

Apr 22, 2008 | Sony Grand WEGA KDP-65WS550 65" Rear...

1 Answer

Toshiba 50A50

it could be high voltage cap located by flyback,if you have back off of tv2.gif and turn tv on,you will see green led's turn on,(on the board)if they turn off there is a small blue high voltage cap hidden under glue(i believe it's a 102 cap)that would be the one change,99% of time that is what will fix problem

Feb 22, 2008 | Toshiba 50A50 50" Rear Projection...

2 Answers

Tv turns self off when turned on

Does it blink a certain amount of blinks pause a second or just blink constantly with no pauses? Let me know it will blink a code if its going into protected shutdown. And it will blink constantly for another reason.

Jan 22, 2008 | Sony KP-53HS30 53" Rear Projection...

2 Answers

Sony LCD television will not power on.

I get 5 blinking red lights for about a minute or so before it powers back down. The Sony TV has a specific light that i presume is supposed to light up when the bulb is out. I'm unsure if this is what it is.
no picture, no sound. tries to boot with green light blinking a few times. then goes to red blinking light, six in all, then waits a few moments, then another 6 blinking red light.
Bulb was already replaced several months ago but we do have the TV on for long periods of time.

Jan 15, 2008 | Sony Grand WEGA KF50WE610 50" Rear...

1 Answer

TV Picture Freezes and Turns Off; Cannot Use Remote

My shop had this problem yesterday. We had to change the DMD to correct it. One of the data lines was being drawn down intermitently. This doesn't eliminate the digital PCB, but, we have seen the DMD do this more than a digital. You should have an authorized shop do the repair. Contact Samsung at 1-800-SAMSUNG or contact by email: Hope this helps.

Mar 30, 2007 | Samsung DLP HL-P4663W 46" Rear Projection...

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