Question about Samsung LE32R74BDX 32 in. HD-Ready LCD Television

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Samsung lcd tv ltm1755b won't turn on (power light stays red)

I have had this tv for 4 years, and recently the power light on the bottom right front of the tv started flashing when we would attempt to turn on the tv. When it would turn solid green, the screen would light. Full picture, no issues. The flashing would occur for a longer and longer period of time, with each power-up, then the tv would come on. This went on for a week. Then, finally one day, we turned on the tv and the power light turned solid red. No picture. Is this a repairable problem, or am I better off buying a new tv after cost to repair? Any help greatly appreciated! Thanks in advance. Greg My Sumsung 32 in LCD TV is 31 days old. It will work fine for a couple days, then won't turn on. The light below will blink, but that is it. If I unplug it and plug it back in, it works again.

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Problem: Samsung LTM1755B with only a blinking yellow LED when you try to turn it on.

Solution: I just had one of these come in. I opened it up, and found the U501 capacitor a little suspicious looking, in that it had a deformed top. It was a 470uF 16V electrolytic 105degC 10mm x 12mm. I replaced it with a very good quality 1000uF 16V electrolytic 105degC 10mm x 16mm Nichicon UHN1C102MPD. After that repair, when I tried to turn it on, the LED was yellow for a second, then green, then I got a picture, and it appeared to work great. I then asked the owner a week later how it was working, and they said it was working just like new!

Posted on Jan 19, 2010

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PROTRON 26 TWO YEARS OLD


Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or not steady, fainting, etc.
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3. TV turns OFF by itself.
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5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to jah2mil@hotmail.com

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