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U can't change any air tv programs show on over the air resolution.Resolution are set by the tv stations set their programs by airing itself like 480i,720i and 1080i.U get what u get,the only thing is the tv programs air resolution air,the tv u got can get that resolution,that it.
HELLO. YOU SAY IT TURN ON.? TELL ME DO YOU HEAR ANYTHING.? ANY SOUND.? IT SOUND LIKE YOU HAVE NO HIGH VOLTAGE.!!! MOST LIKLY THE FLY BACK TRANSFORMER.!!! THAT'S WHAT GIVE'S THE CTR GUN'S & THE MOTHER BOARD IT POWER.!!! NEED'S TO BE REPLACED."GOOD LUCK"
Our AKAI was just 14 months old. A few days ago, it died also. Blank screen, no sound, but the timer light will flash on a couple of times when you try to power it up. It even sounds like it wants to turn on. I paid a tech to come to my house $65 and it turns out to be the power supply $385. I checked other chat boards and many people are having this same problem with their AKAI 42" (PT4298HD) televsion. A real piece of junk this model! Sorry for the bad news!
I sounds like a bad filter in the sudio supply circuit finally took out the sound output chip or the power supply that controls the sound circuit. its a soliud state set and there are no user replaceable parts inside this set. Unless you have had solid state repair experience, please be safe and call in a pro to assost you in this repair. good Luck
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