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as there are 2 completely different circuits for sound and picture in a tv set it is possible that the picture board has been damaged by the power surge . it could be as simple as a blown fuse for that board or you may have to take it to a repair shop for a proper diagnosis and a quote
Yes it received a massive surge from the transfer. You would need to replace your Insignia or try taking it to a Bestbuy which is a Bestbuy brand to have them fix the unit. Also try putting it on a really good surge protector as well.
Sounds like an ordinary power supply failure. You just have to desolder and semiconductors that are bolted to heat-sinks and or look for electrolytic capacitors that are bulged or not the correct reading. A lightning strike or power surge could have blown a thermistor.
Could have still been hit by a surge. Take the back off of the TV and look at the main board were you connect your HDMI. See if it is scorched or components that blackened. Also check your DVD player on another set. Your DVD player could be the problem.
Usually when the power fluctuates a significant level, it can seriously mess with electronics. This is why there are surge protectors; they protect against the levels of power that surge through the lines when the power comes back on. If your TV got hit with this unprotected, it's more than likely you fried your video processor in the TV. You can try to call Sony to see what they may be able to do, but I'd be willing to bet it's too far gone now.
YES !! IT CAN DAMAGED THE POWER SUPPLY , WHAT i SUGGEST IS TO USE AN APC BATTERY BACK UP & SURGE PROTECTION , SAME USE FOR COMPUTERS , FOR MORE INFORMATION GO TO: http://www.apc.com , hope this helps , AJ
I suggest you unplug the set for about 15 minutes and then plug it in and try again. Sounds like you may have had a power surge/bump in the middle of the night. Althoguh you are using a surge protector, doesn'r mean the devise hooked to it can't lock up during a power surge.( Surge Protectors are an insurance policy only, not a garrentee ). If unplugging the set and waiting doesn't fix it, it will need to have the power supply section of the board repaired. Good Luck
Ed
NC Electronic
Mills, Wyoming
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