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I have an akai 27 lcd tv which shut down while watching. No sound no picture but the power switch is flashing red.I don;t know if it is a power supply problem or a burnt out backlight.I haven't opened the tv up yet. I would like to get an idea where to start before I do so

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I would suggest to start by measuring the voltages from the power supply to the main/back light circuitry. If the voltages are low or jumping up and down, that means a defective power supply.
If the red light is blinking, the power supply has a shorted component.
Let me know if you need further assistance.

Posted on Sep 05, 2008

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Akai pt5492 shut off by itself this morning, wouldn't turn back on. This afternoon I turned tv on and the red timer light came on, no picture, no sound. Checked batteries, unplugged and plugged in a...


First is the Akai name is owned by Samsung--and here is a general answer:

Red light is shutdown or means only standby light is on.

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2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

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