Thanks for the message. Follow the steps below to perform power reset on your TV.
1. Turn off the TV.
2. Unplug the power cord of the TV from the electrical outlet.
3. Let the TV remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet.
5. Turn on the TV.
Does any graphics appear on the TV screen? If there are no graphics, that may be an indication that the TV needs service. You may refer to this link to locate the nearest Sony authorized service center in your area.
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Same problem with me KDL-42W700B.reparing cost is too high.what happen to sony India .they have degraded quality in our products. I have just used for 3 years and 3 months.only it's costs 70000. And repair ing cost approx 24000.i am confused.what to do.