Question about Toshiba REGZA 42WLG66 42 in. HD-Ready LCD Television
I have a 47" Toshiba lcd that has stopped working... No picture at all. Can plug it in and hit the power button and I can hear the board getting power and the green power light comes on but no image... Thanks!
The real issue is do you have sound or not?
You can unplug the set and or a box both if connected for several minutes and then power back to see if when they reboot set works or not.
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
My guess would be to suspect the inverter. but from what i can tell that model had two possile inverter types used during production.
toshiba P/N 75008432 Rev C3
Posted on Oct 06, 2009
Testimonial: "Thank you.. I will look into that."
SOURCE: No Picture on Toshiba 42RV530U
I had a similar problem to this yesterday. Tv is same Toshiba model as you mentioned about 4 months old. In my case, after the TV working perfectly following installation, the standby LED on the front (the one that is red on standby and green when on) went to a flashing orange (after switching on from standby) and the picture disappeared although the sound remained OK. I was unable to get any response from the setup or menu on the remote, otherwise I would have tried resetting the TV. Regardless of how much switching off/on (including disconnecting the powerlead and leaving for few minutes), disconnecting all peripherals, etc., nothing helped. I looked up Toshiba's web site and under support they basically suggest switching off the TV and restarting using the onset buttons (not the remote) and pressing the menu button (again the one on the set (not the remote) and if you could get the menu box to appear then reset to default settings. I tried this but the results were the same. I therefore thought the TV was defective. However, after much frustration I did the following (I think): 1) Disconnect everything from the TV 2) Powered up from the mains switch whilst keeping BOTH the startup and menu buttons on the side of the TV pressed down. The result in my case was that the standby led and one of the two beside it flashed green simultaneously. However, when the buttons were released, the TV started up the same (flashing LED orange and sound no picture). 3) Pretty well defeated at this point, after doing the procedure at (2) several times with the same results, I somehow thought of pressing the standby button on the remote either whilst the two buttons on the set were depressed or just after they were released. I am afraid I cannot remember which and cannot replicate the problem as I don't know what caused it in the first place. 4) The TV then started normally ( no reception as I had not aerial connected, etc.,) but I was able to gain access to the screen menu/setup buttons via the remote which were in French rather than English. However, after reconnecting everyrthing the TV has worked fine (obviously after resetting the language via the menu). I am sorry I cannot be more precise but I hope this might be of help to someone with a similar problem.
Posted on Dec 22, 2010
The issue your having comes to mind as a bad power board, What happens over time is the electrolytic capacitors inside these Tv's bulge or just become un-usable.
Many power supplies are plagued by poor electronics components such as these and thus you have a TV with a power issue.
The best bet here is to purchase a new power board or locate the defective component and replace it. Many cases this Tv would end up beside the dumpster awaiting the next pickup date witch pollutes the environment and creates a huge in-pact.
A repair shop would be a option but you will end up with a bill of $200-$400 bucks just for a power board change out!
What a TV tech would do is bring this in and test it with other parts. A TV tech is basically a person that graduated from some post- graduate or trade school and would charge you big money to simply switch out a power supply.
Many people like myself and others have been around the electronics repair era where we fix these broken items for Penny's on a dollar.
Do this at your own risk
If you steer to the internet with this and know basic soldering skills and electronics precautions I would suggest you dig into the unit at your own risk and purchase the components that are actually effected.
You can watch my you tube video on how I basically pulled a power board out of a LCD monitor and replaced its cap's. You can aslo go to my tips on how to search for bad caps and replace them using basic soldering skill.
Posted on Jan 25, 2011
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