Question about Toshiba TN50V71 50" Rear Projection Television
When power bottuon is depressed, your hear the normal on clicking sound of a relay ,however no picture or sound comes on.could this be a horiz deflection circuitary probs? if yes how can i get a copy of the schematic to find the transistor?
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Posted on Jan 02, 2017
SOURCE: Power on but no picture or sound
Your problem is from the power regulator IC . Its an str type and has to be an original from tosiba or its parts distributors. Now you may have caused more problems as alot of peeps do trying the set over and over again thinking Oh the set will rest its self.. Nope sorry sir if a set goes bad and you try it once , and it dosent come back on . Its time to seek a repair person to repair and troubleshoot the set for you UNless your a technician? If your not Dont try to repair a tv as these have non serviceable parts for the consumer to replace! And can bite ya in the butt, if your not carefull. We techs cannot teach ya overnight how to fix something. Only assit and to point ya in the right direction. Good Luck
Posted on Jun 24, 2006
my friend your tv got hit before you did the disconnections storm hit sets are a piece of work to fix, it is left with the circuit board burned.my advise is to buy a new tv.good luck
Posted on Jun 23, 2007
If your set all of a sudden won't come on, e.g., the screen is blank, but the LED on
the under the screen next to the on/off switch keeps flashing, then there may be an
internal fault on the set that needs to be reset.
To force the reset, try this:
Posted on Dec 11, 2007
If the relay clicks you most likely have a leaky diode or bad transistor in the stand by or start up circuit. There is a manual available for that model called. Toshiba Power Supply and Shutdown circuit Troubleshooter. Its available at the following link. It gives step by step instructions so you can figure out exactly whats wrong with your set. The site emails it too you after you place your order and they also provide free unlimited tech support so you will have a resource for help if you need it. I am one of their on line support techs. I highly reccomend that Manual to any one with a toshiba that will not power up. Here is the link.
Posted on Apr 12, 2008
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