Akai PDP4294 42 in. EDTV-Ready Plasma Television Logo
Malcolm Lloyd
Malcolm Lloyd Posted on Feb 26, 2014
Answered

LED TV will not turn on

The red LED flashes 3 timethen the TV tries to turn on but then cycles back to 3 LED flashes.

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  • Malcolm Lloyd Feb 28, 2014

    This is a Samsung UE40C5800QKXXU. Plug it in and the Red LED on the front panel comes on. It then flashes off and on 3 times about once a second. It then blinks off as if the set is going to start. It is off for about 1.5 seconds then it comes back on and starts the 3 flashes cylce again. If I try to switch on using remote or TV mounted on button the LED flashes very quickly but the set fails to fire up. If I press the Vol up/down or the channel up/down on the front panel the LED flashes very quickly. Suspect a Power Board issue but dont want to buy one to discover it is the AV or other board.

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vivkul1

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  • Posted on Apr 11, 2014
vivkul1
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Its a power supply problem. A capacitor has gone bad. If you open the back panel - check the board of the power supply. It will have numerous capacitors soldered on to it. The faulty one will have its top surface - bulged out. Read the specs on it. Then buy a new one of same or higher rating from radioshack. Replace it. (To do this you should be familiar with the art of soldering. If not take help from an electronic technician)

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