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No power getting to tv

After plugging the tv into the wall when you switch the tv on we get a loud crack and a blue flash comes from the back of the tv unit can you please help

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You do not say what type of tv you do have but the problem you are getting is from what they call the high voltage tripler, the part in your tv that actually furnishes the high voltage so that you can see a picture. It is not something that unless you are a technician that you can fix. It wil probably cost you like $45 -70 for the part without the labor. Take care and God bless.

Posted on Jan 12, 2009


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Posted on Jan 02, 2017


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I'm sorry that the TV has produced a loud crack and not turning ON. Please check the following troubleshooting steps and check the operation:

  1. Please make sure that the connections are secure and proper.
  2. Connect the TV to a different wall outlet and check the operation. (Connect it directly without using Surge Protector)
  3. Perform a power resetting and check the operation. To perform the power resetting, unplug the TV from wall outlet for more than 2 minutes and then reconnect it.
  4. If the issue persists, please open the cover of the TV and check the Power board for any burned fuse.
  5. Use a multi-meter and check whether the Power board is outputting +5V.
  6. Replace the fuses if necessary. Most Vizio TVs using fuse 0185-1302-0073(Part #).

If the issue persists, physical evaluation is required to find the exact issue. You can click hear to locate your nearest service facility to get the TV evaluated.

Thanks for understanding.

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LCD TV is hooked thru cable box. When you use the

Try this (may not work):

1. UNPLUG power from TV at wall outlet.
2. Turn ON the TV (with no power cable plugged in).
3. Plug power cable back in (at wall outlet)
4. Turn ON TV (don't use remote this time).

Hope this works!

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