I turn my screen on and after 15 seconds it turns off but the green power light is still on

JVC LT-46AM73 LCD TV Won't Turn On - YouTube

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Instructions

1. Frozen Screen or Unresponsive Kindle
   • 1 Unplug the Kindle.
     
   • 2 Move the power button to the right and release. You should see a green LED light for two seconds.
     
   • 3 Move the power button to the right and hold for five seconds. The green light should blink three times and then the screen will go blank. Release the power button after it does.
     
   • 4 Turn the device back on by sliding the power button to the right and releasing it.
     
   Perform a Hard Reset
   • 5 Perform a hard reset if the previous steps are unsuccessful or if the Kindle screen is showing lines.
     
   • 6 Slide the power button to the right.
     
   • 7 Hold for 15 seconds.
     
   • 8 Recharge the battery if the device continues to be unresponsive.
     
   • 9 Restart the Kindle after charging.
     

Read more : http://www.ehow.com/how_7655306_reset-kindle-3g.html

Try this:

1. Turn off the laptop by holding the power button in for 15 seconds or until the power light goes off.
2. Pull the battery out of the laptop and disconnect the power from it.
3. Hold the power button in for 20 seconds.
4. Plug the laptop back in, and put the batter back in it.
5. Now try to turn the laptop back on.

If this does not work, let me know.

Since you say that there is sound but no picture, the first thing I would check would be the status of the lamp. I believe that the lamp has been shattered or the filament is blown. Please verify this and let me know

not sure how long you have had this, but if the unit was completely turned off or battery completely dead, you have to hold the power button for about 15 seconds for the 3000t to start up...assuming the charge light at the top right is orange (that means its charging) no light means its not charging, green light means fully charged. if there is no power light on at the top right of unit, either the charger is bad or the port on the board is bad (which i do have) good luck and hope this helps. bill

1) Can be dust do a good clean
2)Check for the fuse and change it if needed.
3) Capacitor needs to be changed, you'll have to findout which one.

Hope it helps, good luck

thats pretty normal, it takes a good second or two to warm up and the display to turn on(at least0, you get the green flashes as you hold for on, 1 sec is a long time at times, lol, be patient, no problem with your tv!

A reddish picture is the classic symptom of worn out backlight bulbs.
Sensor circuits usually shut down the power to the bulbs in a second or so.
Monitor Mike.

or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.