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Re: Samsung 56" shuts off after 5 or 10 seconds see a...
When the set shuts down you need to see what lights are blinking. For example: Timer/ Temp/ lamp on the front panel. You should also count the number of times they blink and the sequence. Most DLP`s give an error code alerting the technician to check the balast, lamp, or fan etc. for malfunctions. Unfortunately I can not tell you exactly what is wrong given the current information. Howrver, the last Samsung I repaired for shutting down had a bad light engine.
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test the 1) fuse heat and replace it 2) test the board if there are voltage , if there are the board can be faulty or repair. 3) see your instruc. manual go to the section troubleshooting and see what is wrong. God bless you
That problem is usually cause of faulty capacitors on the power supply board..
Just follow this instruction to fix your TV..
1. Open the back cover of your TV. 2. Look at the power supply board..Its normally connected to the power cord.. 3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors.. 4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value.. 5. Some of the capacitors not bulged so its better if have a capacitance meter
It sound like you have a power supply fault caused by a display failure. Without a service manual and test gear, I don't think there is much likelyhood of an effective repair. Contact Samsung for a dealer in your area is my advice. Hope that helps.