Question about Toshiba 37RV530U LCD TV
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Posted on Jan 02, 2017
The problem is with the signal board. Basically, it is not allowing the power signal to go from the on button from the set or the remote to the TV. I am having the exact same problem with my 42" LCD Regza. Currently, if you are under warranty, Toshiba does not have these in stock. They will not have them available to send until early January. My TV has been at the repair shop since December 4th. I am very upset as I won't be able to watch the bowl games in HD. If your set is still under warranty then call Toshiba help line at 800-575-5469. You will need the model number of yout TV that is listed on the front of the owner's manual. They are:
The first number will be the giveaway as to which model you have. It is the size of your set. They will ask you to try a hard reset. (Hold pwer button down for 5 seconds until you see the yellow light go solid and go off.) This will most likely not work. If it does, you are lucky. I found that if you unplug the TV for an extened period of time, ie overnight, ity may come back on. It will eventually give out completely though. Better to get the problem addressed with the manufacturer. If you are not under warranty then I do not know what to tell you. Right now I am searching the internet to see if I can find this part to maybe purchase myself. Only if it is not too costly. If I find anything I will post here for all. If you have any questions, feel free to email me a email@example.com and I might be able to give you more details on your problem. Good Luck.
Posted on Dec 17, 2008
Here's how I fixed mine...
Look inside the back of the TV just above the power cord - there are two small LEDs, one green and one yellow (no need to open the case - you can see them through the cooling slots). In my case, the green LED would light for a few moments after plugging the TV in, then the yellow one would light and stay lit.
Go to the Toshiba site and download the latest firmware upgrade.
Copy the firmward upgrade to a SD memory card using your PC (SDHC cards larger than 2GB don't appear to be supported by the TV, so use a smaller one). I copied *both* the zip file as downloaded from Toshiba, and the contents of the zip file. That is, I expanded the zip file and copied the contents to the SD card as well.
There's a metal cover over the SD card slot on the back of the TV. Remove it (a single screw)...at one point, Toshiba has directions on the firmware download web site.
Unplug the TV and insert the SD card. Plug in the TV again, and in my case, those little LEDs stayed green. I saw none of the instructions on the TV screen - rather I just let it sit for about 10 minutes, then I unplugged the TV, removed the SD card, and plugged the TV in again. Viola - the TV works.
I'm thinking perhaps Toshiba uses a type of memory that requires battery backup, and if the TV is unplugged for an extended period of time, it's necessary to re-flash it.
Posted on Jun 21, 2009
yes call the tech and have the power board replaced. In future have the TV plugged into an anti surge board to protect it ( and you from expensive repair.) I suspect you will need a new power supply fitted
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Posted on Aug 17, 2009
3 Blinks indicates that there is fault with the power supply of the set. Since the set is brand new, run back to the store and get a replacement. Also purchase the extended warranty(Think of the 250$ that you are gonna spend on this repair if the same thing happens right after your 1 year warranty expires?)
Hope this helps,
Posted on Dec 25, 2009
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