Question about Projection Televisions

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HI, I HAVE A 3 YEAR OLD SAMSUNG LE15S5 LCD TV THAT TURNS ITSELF OFF, BUT THEN RETURNS TO NORMAL A FEW DAYS LATER. I HAD IT REPAIRED LAST YEAR UNDER THE GUARANTEE WHEN IT DID THE SAME THING. I WAS NOT TOLD WHAT THE FAULT WAS, DOES ANYONE HAVE ANY IDEAS BEFORE I BIN IT???

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  • petecross Nov 30, 2008

    NEITHER THE RED OR GREEN LED LIGHT IS ON. THOUGH I HAVE UNPLUGGED THE TV FROM THE MAINS FOR A FEW HOURS & IT NOW SEEMS TO BE OKAY!*!?

  • petecross Dec 03, 2008

    Many thanks for your help, I'll remember that, though things seem to be working for the moment.

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Sound like you had problem with LCD screen or back lighr defected in any case it would not worth to repair it . But 2 thing you can check, when you said it turn off by itself is it the green LED still on or red if is red is LCD panel or inverter it come with LCD panel if is green is back neon light depend where are you some of repair shop can replace only the back light for you under $80.00
I hope it can help you make up your might
Cheers

Posted on Nov 30, 2008

  • Quang Viet HUYNH
    Quang Viet HUYNH Dec 01, 2008

    If you got no LED red or green that is indicated the power supply intermittent function usualy there are a few of electrolytics capacitor in power supply board problem. As Samsung they recomande to replace switching mode power supply PCB it come complete in 1 board easy to replace in AUSTRALIA part No BN44-00112A I am not sure is the same in your country if this LCD repair in AUS it would cost about $120.00. I hope that give you some idea

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Samsung TV model LN32A450C1DXZA, after turning the TV on it will turn itself off shortly after and then turn itself back on shortly thereafter. Then it repeats that several times before staying on.


Hi there,

If the tv is still under warranty, this can be repaired at no charge.

However, if not under warranty, you will need to have the CAPACITORS on the main power supply circuit board tested (or replaced).

The capacitors responsible for the power supply can sometimes fail - open the back panel. If the capacitors on the main power supply board look too fat, or signs of burning near the solder joints, then you've found the problem.

Hope this helps.


Cheers,

Scott

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