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I have a toshiba theaterview rear projection TV. When I turn it on I hear a click and then a double click inside the TV. Then the power light on the front starts flashing continuisly and I get no picture or sound. None of the buttons will do anything including the power button. If I unplug it from the wall it will start all over again. I started having issues with the TV about 4 months before this with the picture going black from floor vibrations still had sound though. usually I could get it back on by stomping on the floor or tapping the side of the tv.

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  • dj303dj3 Apr 25, 2010

    I started pulling out the circuit board unplugging a few connectors and sliding out the whole thing. But I decided to stop and put it back together and gave it another try and it is working for now. But it would intermitantly work before also. So I am not convinced the problem is solved. Is there anything I should check out while it is working right now? Or do I have to wait for it to fail again?

  • dj303dj3 Apr 25, 2010

    The model # is TP61H60. manufactured on dec. 1998

  • dj303dj3 Apr 28, 2010

    It stopped working again. guess I'll have to call in to a expert

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  • Master
  • 1,768 Answers

1.You may be looking a fly back issue/
2. the fly-back transformer may be arching and needs replacement.
3. A tech will be able to determine this with test where the issue is on the main board.
I hope this helps.

Posted on Apr 24, 2010

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  • Master
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Hi .

The clicks that you hear is an internal device called protection circuit that is shutting down the TV, and forcing the PSU to +5V low only to keep the TV in standby.
That is called protect mode.


If the TV stays in stand-by, with the LED light on, but does not respond to remote, or to the buttons on the chassis, then that means that the TV has gone in protect (safe) mode because an internal fault had been detected.

In that case the TV is usually faulty.

Common faults on this model that can cause PSU clicking concern PSU board, main controller board, and ballast board.
If the TV problem is affected by wacking, then the problem is usually a broken contact caused by a bad soldering joint.
The parts must be tested before replacement. Less common faults could cause the same problem.
When the TV reacts positively to wacking, testing is done reading continuity on all contacts to find cold solder joints (broken contacts on printed circuit board soldering).

Try first disconnecting all connected devices, and leaving the TV disconnected from power for about 30 minutes. To drain power completely.

You can follow the basic troubleshooting on this article: Why my TV does not start up and remains in...

If that does not work, contact Toshiba, ringing the support number listed on the owners manual to get the TV repaired by a licensed technician.

Parts for Your Toshiba and Service manual may be available here.



Regards.

Posted on Apr 25, 2010

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