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La46m8 samsung tv comes on for a second then screen goes blank

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You need to get the Picture tube checked

Posted on Apr 27, 2008

  • Sameer Kashyap Apr 27, 2008

    It has gone into the protection mode. It will not cure itself -
    You must try a power cycle. As in you need to turn off the power cord and unplug all the cables. After one hour just turn the power button ON for 2 minutes (Remember all cables unplugged including power cable). "You wont see anything happening". After 2 minutes are over turn the power button Off and leave it like that for 5 hours.
    After 5 hours plug in the power cable and check whether it comes on or not.

  • Sameer Kashyap Apr 27, 2008

    Let me know if there are any blinking lights.

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I have a 50" Samsung tv. The tv turns on and the screen comes on, then within 1 minute the screen goes black. I can still hear sound.


Samsung HL-R5087W TV screen goes blank -tv/sound on - Forums ...

www.cnet.com > Forums > Samsung

CNETJun 11, 2015 - About a month ago, the at various times the tv screen would go blankeven though the tv ... Try turning off the cable/sat box when the happens. ... In reply to: Samsung SP50L7HX DLP TV linked to Sky HD box - same problem .... on it comesback to normal. however, once it went off again (Black Screen) after only 2-3 minutes. ln-t4069f picture problem lcd warmup - Forums - CNET
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1 Answer

TV only stays on for 15 - 20 seconds, screen goes blank but sound continues for another 5 - 10 seconds, the sound goes off, too.


This usually indicates that the color wheel, ballast or power supply board is failing. I would suggest calling 1-800-samsung to find the nearest service center. You can waste a lot of money trying to figure this one out on your own.

Jun 04, 2010 | Samsung HL-R5668W 56" HDTV

1 Answer

My sony wide screen projection tv comes on then goes red and blanks out.


If it comes on for under 5 seconds then it may be shot, if it comes on longer it may be the cooling fan is not working and may be an easy repair check with local tv technician.

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2 Answers

Picture & sound go on & off every sec, red light blinks 5 times


helloFive blinks - AKB circuit (automatic kine bias), the timer/standby indicator blinks for about 30 seconds then goes to the self-diagnosis function. Something is wrong with the video. Check video out, Q705, 732, 761 and other components on the C board, also check Q218, 219, 220 on the A board. In addition, unit could be in IK blanking, try turning up screen slightly.

shaun

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1 Answer

Samsung T.V. goes on for 30 seconds then no picture


If this is a flat panel LCD tv, this is a sure sign that the panel itself is bad. I have seen this before. Tv comes on works fine then within 5 minutes goes blank.

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1 Answer

Samsung 50 inch plasma tv screen goes blank temporarily


This could be caused by a loss of video signal either from the connection or from the source. The TV may have detected an error which caused the screen to go blank. If this occurs again, check the cable connections and see if having the TV unplugged overnight resets the TV and eliminates the problem.

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1 Answer

Screen goes blank, sound still on


even though lamp came back on and worked for awhile, it was a bad lamp. replaced lamp and set works

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1 Answer

Sony KF-60WE610 Screen and Sound On/Off


All symptoms in your TV shows that you need to replace its Lamp as it has been consumed its life hours and TV requires new lamp. Lamp can be obtained from Sony Website. Price is $200, Hope this info will help you to enjoy your Sony TV in coming days.

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1 Answer

2 year old Samsung 50" DLP


Sounds like a bad digital board to me. Not too hard to replace in those models but, you do have to write down a few settings before replacing it. These settings are available in the service menu. Any questions let me know tvtek@msn.com

Nov 30, 2007 | Samsung HLN617W 61" Rear Projection HDTV

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