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Why does my tv take a few minutes to turn on?

For the past couple of weeks, when I turn on my tv the sound comes in right away but the picture comes in real slow. Sometimes it takes 3-5 minutes for the picture to come in clearly on the screen. Why is that? Its a 35 inch Mitsubishi, about 15 years old.

3 Answers

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  • 1 decade ago
    Favorite Answer

    The picture tube is wearing out. It has a heated filament that boils off electrons which form into the beam that are attracted to and strike the phosphor coated screen. With age, it takes time to reach the higher temperature necessary to create a decent electron stream. This causes the delay you described.

    At one time boosters were available that raised the filament voltage and, therefore, the filament's electron emmission.

    I have an old 1970 Zenith still in bathroom duty which has had its filament voltage boosted from 6.3 volts to 7.5 volts and works fine; without the boost, it would be a lost cause.

  • 1 decade ago

    Could be a number of reasons!

    There could be a high voltage leakage causing bad performance. It also could be the tube just being old and worn out! Which is the more likely cause considering how old the TV is!

    My recommendation is to junk the TV and get a new one! The cost to repair this old one just isn't feasible!

    Good luck!

  • ?
    Lv 4
    4 years ago

    Are you helpful you have checked the timer on the two gadgets? Is there a separate menu for the television and the DVD participant ; even tho it is one unit? Does your television have a V-chip? Is it by some potential activated? What ever the situation, you're able to desire to circulate on line to the manufactures' website for "troubleshooting" solutions.

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