Question about Sony KV-36XBR400 36" TV

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KV 27S65 Sony Trinitron 27"

The TV started turning itself off and back on. There was a flashing red light constantly. Accessing timer button proved useless, as it indicated timer was off. Now if you turn on TV you hear a click, and the red light again flashes, you get no picture, and in just a few seconds you hear the click again and the TV turns itself off. I've checked for Walter Matthau-like neighbors (as in "Grumpy Old Men"), but that's not the problem. Should I contact some paranormal investigators, or can someone tell me if this is easily fixed? I've tried unplugging the set for over 24 hours at a time, and removing batteries as well from remote, but problem persists! Don't want to buy another TV if problem is simple to fix. Thanks for the service!

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  • 398 Answers

So far you have done all you can and you have done everything right. The fact that the TV turned off by itself and then turned back on by itself suggests that one or more solder joints have come loose inside the set. A qualified tech should find this easy to fix, and Sony sets are always worth repairing, so it is now time to have the set serviced by a tech experienced in Sony standard sets.

Posted on Sep 03, 2007

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Make sure its an original Osram or Philips bulb inside the housing. If its a cheap lamp it will act this way. If it is an original lamp, then you may have a power supply issue. It shouldn't affect your TV but you may want to try resetting the lamp timer by following the instructions that came with the lamp.

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Power off the television. Wait a few minutes, then power it back on. If this does not correct the issue leave the power on, point your remote control towards the Sony television and hold the down arrow button. While holding the down arrow button press the "Power" button. Release the down arrow button and the Sony TVicon1.png will reset itself to factory settings. Once the television performs a scan on itself your problem should be gone.
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Read more: How to Troubleshoot the Standby Indicator Flashing on a Sony TV ' eHow.com http://www.ehow.com/how_5925008_troubleshoot-indicator-flashing-sony-tv.html#ixzz2KBk1cWbu

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On Sony the standby or red is for shutdown---

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1 Answer

TV turned off itself and timer light (red) keeps blinking


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Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

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is this electricity pocket plugged up to a timer ? or take the tv back to the shop... lost the receit just look for the same tv on computer

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1 Answer

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check your sleep timer settings thats the most comman prob

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