Question about Toshiba 55H70 55" Rear Projection Television

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I have a Toshiba Dramatic Theatre model 50G9UXE. While watching it, all of a sudden it flickered and switched off...with that familiar clicking sound. Then led blinks alternating between red and green light. I managed to get it to work sometimes and sometimes I have to wait for a couple of hours. Any specific parts I need to change or any techniques to share?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Power light blinks off and on, nothing else

its not a convergence yoke, yoke is the magnetic wire inserted in the crt neck and convergence of your unit is converged via electronics w/c is called the convergence board (with two big IC STK) you can see it beside your hyper board/tuner.

Posted on Mar 16, 2009

  • 3 Answers

SOURCE: Toshiba model 61h71 red light comes on /no picture or sound

We had the same problem, open the panel on the back of the tv, the board on the left, not the one with the convergence chips. Inside the tv u will see a piece of paper with the fuse info. The board on the left unscrew it and flip it away from you, the fuses to test are at the bottom, on the circuit board it will say 125volt 5 amp, and the number starts with an f. they are small and rectangular and black. Check all but the 3 at the bottom are usually the culprits Hope this helps u

Posted on Mar 24, 2009

ginko
  • 19396 Answers

SOURCE: 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.

Posted on May 22, 2009

ladywinn
  • 5138 Answers

SOURCE: toshiba 52" HM95 DLP green and red LED Blink>

If Fan behind Lamp is not running lamp will not come on,also CK blaster board.

Posted on Aug 09, 2009

  • 171 Answers

SOURCE: Hi: My Toshiba starting showing the symptoms (as

I think that you have a problem with your ballast board this is the power source to the lamp if for any reason it starts to wear out or weak it will not be able to turn on your lamp check this link out it is about Toshiba lawsuit

http://www.avrev.com/home-theater-rear-projection-hdtvs/dlp-rear-projection-hdtvs/toshiba-ordered-to-pay-out-in-dlp-lamp-lawsuit.html

Posted on Sep 21, 2010

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