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you should be getting both sound and picture..check the video cables in the back and make sure they are plugged in correctly...if this doesnt help, try messing with the settings on the remote...and after that it may be a component problem(picture tube blown, etc.
well 4 year Tv's are just that now and unless its Digital it may not be worth the money to repair. Lightning spikes have killed off the ppwer supply box inside. The cost of replacement is $100-$150 ( if you can get one for this model) + 2 hrs minimum fitting at $90 hour. + your transport of this to a repairer.So it may be time to see that your next and new TV is connected to an anti spike power board and when not in use or a storm is imminent unplug it anyway
If you can get the tv to display the blue blackground(usually happens when there is no antenna or cable feed to tv) check to see if the whole screen is a solid blue, if it shows discolored areas around the screen then you might have to "demag" the screen. See if you can rent a demad coil from a tv shop and with tv on turn the coil in circular movements all over the front of screen till blue is solid.good luck!
The 7 blinks indicate a high voltage shutdown (high voltage exceeded 33,000V). This is usually caused by a defective regulator. Could you please post the exact model number (KVxxx) and I'll look up the part you will likely need?
Rca has been known to have bad solder joints in the deflection circuits. Usually around the flyback and transformers.. check it over real good. Just be careful as you can still get shocked after the powers removed the capacitors and picture tube will hold a charge in them.
Last night i set childlock in my nikai ( NTV34010) tv set and tuned off by remote control.Then after some time later i tried to turn on tv but there is no sound and no picture.
will u please help me to solve it out.