Question about Astar LTV-19BG TV

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Screen not turning on

Have an astar plasma screen thats not powering on

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  • domber83 Nov 23, 2008

    checked the outlet make sure its good and its plugged in the back also made sure the power switch was turned on still no juice

  • yiorgo34 Dec 30, 2008

    mine Started when the Tv would not stay when when I pressed the on on the remote...after about 15 times doing the above..the tv would stay on..after a week or so...it would turn on at all...it just buzzes

  • susankaycook Jan 11, 2009

    My tv is not powering on either but there is a light on the front of my tv that indicates it is receiving power. What should I do?

  • Anonymous Jan 16, 2009

    this been happening for a while to ours. I would tunr it on and off eventually it turns on until tonight. Now light on NoTV :(

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  • 28 Answers

Hello,
Please call 323-767-6030 I need more detail of your tv maybe i can walk you through it.

Posted on Dec 09, 2008

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The backlight or power supply for it has failed. Use a strong light next to the screen and look for a faint picture. If it is out of warranty, take it to a repair shop.

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There is more than one problem with. A it could be the main board that finally gave out. B the power board in your TV is not work, and now you can see a picture. Depending on how it's connect the screen could be burn out. but just what type of light comes on when you try to turn it on. if the green light comes on and stay on then it has to do with the picture not the power if you need help narrowing down the problem you can call 226-2211 My E Discounts. I'm a tech and we work with a Astar TV from time to time.

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Hello,
try to contact my friend Ivan 323-767-6030. He had working for the astar company as electronic tech maybe he can help you and answer all the problem of your astar tv.
Thank you.

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1 Answer

Screen goes black immediately after astar logo screen comes on


Astar 30" LTV 3001 ....These TV's have a cooling problem that causes premature electrolytic capacitor failure. De-solder and Test all the 2200uF-25v, 3300uF-35v and 1000uF-10v caps in the power supply (center board, back of TV). Use a good LCR meter that will read 3300uF or better, Replace all bad caps with 105c rated caps. If you don't have an LCR meter, replace all the mentioned caps on the PS. If fuse on board is blown, also replace the F9222L regulator IC chip. Mounting a small cooling fan on rear of TV over the PS will help keep your new caps from failing again. This requires holes in the stand bracket and the rear of the TV, power can be supplied from a 14V source near the bottom of the PS board.

Jan 21, 2008 | Astar LTV-3001 TV

1 Answer

Astar Plasma


I had the same problem... Astar 30" LTV 3001 ....These TV's have a cooling problem that causes premature electrolytic capacitor failure. De-solder and Test all the 2200uF-25v, 3300uF-35v and 1000uF-10v caps in the power supply (center board, back of TV). Use a good LCR meter that will read 3300uF or better, Replace all bad caps with 105c rated caps. If you don't have an LCR meter, replace all the mentioned caps on the PS. If fuse on board is blown, also replace the F9222L regulator IC chip. Mounting a small cooling fan on rear of TV over the PS will help keep your new caps from failing again. This requires holes in the stand bracket and the rear of the TV, power can be supplied from a 14V source near the bottom of the PS board.

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1 Answer

Display issues, is it going to die?


Most video problems originate in the power supply and not the video boards.
Lack of ventilation seems to be damaging the electrolytic capacitors in the PS's
If you know how to use an LCR meter and desolder the caps, you can determine which ones to replace. The PS feeds all the varius boards in the back of the set. This is the first place to start. If the main fuse is bad, you may have to replace the IC regulator chip too. Hosfelt Electronics or Mouser are good sources for components.
Make sure to replace with 105c rated caps. You may help the ventilation problem by adding several holes on the back plastic panel over the PS. If you have no electronic skills, it is best to hand it to one that has. Good Luck.

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