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Posted on Sep 16, 2011
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My samsung TV model LE40A457C1D won't switch on and the standby light keeps flashing

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macagunja Electronics

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  • Expert 168 Answers
  • Posted on Sep 16, 2011
macagunja  Electronics
Expert
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Night Owl:

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Joined: Sep 15, 2011
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There may be no 5v to the microprocessor,also check for dry joints. this could eliminate this problem

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Related Questions:

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1answer

The standby light keeps flashing on and off. The TV won't go on. Any help would be appreciated.

The inserted video have no details about the brand name of the TV. Anyway, understand that these blinking are fault indications. Count the number of blinks occur at one time switch on. If you wish to get more details about the blinking codes, check this link. Form the number of blinks, you can get an idea about which section circuit is faulty, and will make troubleshooting more narrower. Check the above linked site patiently. Blinking codes and troubleshooting procedure to many brand TVs are given.
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TV Won't turn on, Has flashing red light.

Flashes of standby light is fault indication. Count it and confirm the number of flashes occurs at one time switch ON. If you wish to get more details about these blinking codes to Toshiba sets, check this link. Pull up older posts there.
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My Sony tv won't switch of standby just flashes

How many times do this standby light flashes at one time switch ON? Count this and make sure, how many times it blinks. These blinks are fault indications. From these number of blinks, you will get an idea about the faulty section circuit inside it. It will narrow down the troubleshooting. If you wish to get more details about Sony Blinking Codes; check this link.
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Samsung HL-T6756 DLP TV Standby/temp light flashing and tv won't come on. I have replaced the lamp and the fan is working. Any suggestions?

Remove lamp and inspect the color wheel to see if missing pieces or shattered---it will also just before failing give a high pitched or fan like sound and if running too slow or not at all instant shutdown happens.

Its also possible if you bought a GENERIC bulb--and used original cartridge the new lamp is bad.
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Standby light flashes and TV won't turn on. Have to unplug it and wait for a bit then plug it back in and TV turns on. Quite a delay though. Then after TV is turned off, standby light starts...

seems like a power supply problem inside the tv and when the transformer gets warm it is giving you problems you might have to get a tech seviceman to come out and have a look at it as it is not a job you should do yourself when it comes to replacing the power supply hope all goes well
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Standby light flashing on and off samsung le32r74bd

samsung tv le32r74bd standby button keeps flashing no piture
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