Turn the t.v on then when the blue no signal screen appears after 5 seconds it goes black there is still power to the t.v because if you press the standby button on the remote it will go back to standby mode
Fault with main board. Damaged component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
Hi these pioneers are difficult to work on you are better off taking it to a technician you will save a lot of headaches trying to fix it. If you still want to do it the first thing I would suspect is teh siganl board.
You can get parts for this tv at www.interliquidparts.com
SOURCE: Sony Bravia KLV-40X250A power indicator blinks once but screen is black
um u should turn your tv off for like 10 minutes , i think yourr tv is a internet tv so let it cool sometimes sony internet tvs freeze with black screen so try it out.
good luck :)
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