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Is there any message that appears? Does it do this on all the channels and inputs? IS it always the same amount of time?
IF it shuts down and you turn it right back on, does it take 2 minutes to shut down again or is it immediate? What is the model number?
check for shorted component parts at power supply board like bridge type diode and FET transistor. if those are good, disconnect the connectors that supply going to inverter board and then turn on the tv unit if the light indicator at front panel stay and 24v supply doesn't drop which mean the inverter board was the problem of suddenly turn off.
If it's a 4.6 litre, they are really easy.........just trace the wires from the coil packs on the front left and right of the engine to the holes they plug into. I always tape my plug socket to my extension so it will not be stuck down in the hole.The plugs are easily accessible. Every plug I do one at a time.I loosen 3 turns ,remove the extension and socket,and then crank the engine to blow the debris up out of the hole.It doesn't matter if the engine fires ot starts,Just shut it off immediately and remove the plug all the way and replace it right then. Setting the gap a hair(.004") more than specs will ensure you get the best gas mileage.ONLY .004"...no more than that. don-ohio
have you try to replace the battery of your remote?, if yes, then better to ask a technical person near on your place so that they can evaluate it actual, maybe their is a parts that may cause of that delay.
Just a thought hope it helps thanks.
Samsung HLN507W turns on for about one minute then shuts off, three blinking lights stay on in front. It is not the lamp, nor the blue lamp cover switch for sure. I unplug it and immediately turn it on. It always does the same thing: comes on for 1 minute, then powers down - there is no wait time in between unplugging and powering on. All fans seem to work and I cleaned the dust out of it. Help.
press it several times very very quickly, if it doesn`t start functioning the front panel must be opened in a service and the contact cleaned...i don`t think it needs replacement
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