Question about Toshiba 36A40 36" TV
is there a way to reset or anything we can do?
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Posted on Jan 02, 2017
Here's a solution that I received from an TV expert in another website: "This sounds like a power supply problem. i have seen it several time on
your model. i would not keep trying to turn it on it might damage
something else in the tv. the reason it is shutting off is because the
power supply is putting out too much voltage. a repair cost will range
around 300-400. this is a great model and well worth a repair. here is
a web site that might help you in finding a repairman.
http://www.nesda.com/locator/state_search.php." <-- $300-$400 is too much! But throwing away a 300lbs TV will cost a lot of $$$ for the towing and dumping too. I haven't decide what to do yet.
Posted on Dec 19, 2007
see the link.
the problem are the convergence amps. Its a common problem for this model. Google the model # and you'll see several postings about the blinking light.
Posted on Mar 11, 2008
SOURCE: red light blinking on power
this all problem may exist in your tv
1. High voltage problem/ deflection circuit problem.
2. Shorted picture tubes.
3. Problem in the vertical deflection circuit.
4. Problem in the audio ouput circuit.
5. Problem in the convergence circuit.
6. Problem in the power supply regulation.
7. Problem in the portect circuit.
8. The common high voltage arcing that Toshiba sets do at the picture tube.
so for getting pictures gently tap on the side of tv if it works then there may be some loose connection you can fix it by soldering
Posted on Jun 22, 2008
Had the same problem myself. Took some doing but I managed to find a service bulletin that I downloaded. The problem is with the siene module and all you need to do is unplug connector JP63A from the main board and your TV will work again.
Take the back off the TV (there are a lot of screws) and look on the left hand side of the main circuit board that is mounted in the center of the TV. You will see a small white connector that is labelled JP63A, simply unplug it. Plug the TV back in and let it reboot. That's it, should be able to watch immediately.
Posted on Mar 15, 2009
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 21, 2009
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