Question about Toshiba 57H84 57" Rear Projection HDTV-Ready Television
Just picked up my friends tv and seeing if i can get it to work so i can keep it for free. I plug it in and power it on, but all that happens is the indicator light turns on and the speakers hum, no picture. can you help?
You could have gotten an electrical surge that put your set into a shutdown condition and unplugging the set and letting the Microprocessor reset will fix this problem if it dosent blow out the main power regulator as you still or might I say have a regulator IC problem. IF THIS PROBLEM HAPPENS AGAIN MORE THEN A FEW TIMES WITHIN A SMALL TIME FRAME I WOULD HAVE THE SET LOOKED AT BEFORE THE REGULAOR BLOWS SOMETHING OUT!!!!
Posted on May 14, 2006
SOURCE: Power light flashing/ no picture
I have the same problem. The only way to get the TV to come on is to unplug it, but once you get it back on it turns itself off again in a few minutes.
Posted on Jul 19, 2007
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
Pull the three connectors to the yokes on the convergence board. If the set powers up, it's a good chance the STK392-110's need to be replaced. I fixed one today, and it has been running for 6 hours now.
Posted on Sep 28, 2008
I have the exact TV and had the exact same problems. It is the light engine with color wheel that needs to be replaced, and they are VERY hard to come by for this model. Our repairman has had our TV for 5 months and still cannot locate a vendor that carries the part. He said according to Toshiba, the part has been discontinued. If you happen to find one, please post. I'll do the same.
Posted on Jul 23, 2010
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