Question about Televison & Video
Boss let me help u step by step.
Firstly its a common problem that comes with the kind of Samsung DLP ypu have. now the issue as mentioned by you is that it blinks for 15 minutes and goes back to stand by which means as per my experiance it goes dark. there can be several pronlems related to the issue.. which i will explain one by one before that i wanna let you know that some times there is song Beeping sound which in your case i assume it does not occur cos you have not mentioned.
have you ever replaced your lamp ? if not your Lamp has been working well lately but as per my experiance the Lamp has gone really bad so i think you need to check out the lamp which is a halogen lamp in almost all the cases so it may look ok from out side but there is a chance that the lamp need to ne replaced. please try going to the link where you will find the datails of the lamp, compitability, price etc. http://www.samsungparts.com/Default.asp
Also please Try checking Fan #2 when the TV shuts off, it is the fan that cools the lamp. It should still be running to cool the lamp, if not, that could be your problem. The lamp is overheating due to FAN 2 failing. Normally you will get a message on your TV set that says the fan is failing, however, in rare cases the sensor also fails with the fan. the philips lamps available in the market are the best for the procuct you are currently using. you can also get the best quality and at right price from Discount-Merchant.com
now that you are done with the lamp the second reason for the blinking and stand by mode is due to the failure of the Ballast. Lamp is still good and the ballast failed or both are bad. If the lamp physically looks OK, not blown, then it's quite possibly a bad ballast. I have had bad lamps that looked perfectly good
So as my second guess is WEAK ballast. The lamp that D-M sold you is indeed new. The ballast may be weakened due to normal wear and tear. A new lamp requires more Umph to turn on than a older lamp that has many hours on it. At times, some people may receive a new lamp in the mail and put it in and it doesn't work even though their old lamp worked and just had low luminosity; this is the sings of a weak ballast. If you turn your TV on/off many times a day, you will weaken your ballast and may blow your lamp faster. For this reason Bars show up to 10,000 hours on their lamp. The leave the TV on for hours an DLP's are meant to run that way. They are like cars and their spark and starter system. If you are leaving the room for 5 minutes, don't turn off your TV. It takes a lot out of your ballast and lamp to turn back on, plus it's bad for the lamp to be turned on and off without the proper cool-down time. Also after time the capacitors on the ballast seem to rott, which cause the ballast to start failing intermittently.
Here is a good link to great information:
i could be surprise if it does not solve the problem that you have mentioned.. as many customer who come to my workshop with the simillar problem where sorted out with above tips..
have nice time.. >> cheers!!
Posted on Jun 27, 2009
It is most likely a bad capacitor in the power supply that will need to be changed.
Posted on Jun 27, 2009
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Posted on Jan 02, 2017
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