Question about Mitsubishi WS-65809 65" Rear Projection Television

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Geen light comes onm but shuts itself off after about 5 seconds

My 42 in Sylvania TV (not quite 1 year old) will not stay on. Green light comes on but no picture or sound. It shuts itself off after about 5 seconds. What could possibly wrong.

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  • Anonymous Mar 22, 2014

    Will not turn on green light will come on but no picture or sound then it will shut itself off

  • Anonymous Mar 31, 2014

    when i turn it on, it comes on for 1 second a shuts off

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  • 116 Answers

Model # please

Posted on Mar 12, 2008

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I have a Sylvania LC370SS8 (37" LCD + DVD) TV. It will stay on for about an hour, then it shuts itself off. The power light flashes while it's off (for about 5-10 minutes) then it comes back on... and...


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
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I would try leaving the TV unplugged for 30mins so the TV can reset itself.
If that doesn't work, your TV should still be under warranty. I know 95% of come with a 1 year warranty.
The most common problem with Sylvania TVs made by FUNAI, the Backlight Inverter board fails to early in life. ( That's the part that powers the screen)
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The failure with this LCD might be due to a failing power supply or backlight inverter board. Since your TV is less then a year old, I would suggest to call the manufacturer to get it fix under warranty.
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TV shuts off within 5 seconds of turning on


I had a similar problem with my Phillips 42 in. LCD HD TV.

Here's the problem. The Power Supply Board. I opened my TV up(warranty was up of course) and found several bad capacitors. Phillips and several other companies were sold capacitors that although were highly rated failed within 5 years because of a lack of preservatives. All sorts of electronic equipment is now being effected due to these defective capacitors.
Solutions?
1. Take it in and have it fixed
2. Open it up, check the board for faulty capacitors(bulged or leaking) Buy a new Power supply board and install it.
3. Remove PSB, remove faulty capacitors and replace with compatible new ones.

Hope this helps

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Most common problem is a ruptured capacitor on the main power pcb. It can be seen as ruptured if you know where to look. It has to be replaced with a special type of capacitor or it will quickly fail again. If its less than a year old it is still on parts warranty.

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