Question about Samsung LE40R71B 40 in. HD-Ready LCD Television

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TV model LE40S71B: When powering up the start led is blinking for a lot of time before starting up. At the same time it sounds a relay trying to connect the power. What can I do?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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zjut
  • 106 Answers

SOURCE: relay click and 9 blinking led.

Try the following steps:
1. Remove the power supply to X Main board, check VE. If you get normal VE then replace the X Main board. Otherwise to 2.
2. Remove the power supply to Y Main board, check VE. If you get VE then replace the Y Main board, otherwise to 3.
3. Replace the SMPS board & SMPS 200V board.

Good Luck

Posted on Mar 23, 2008

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  • 98 Answers

SOURCE: Samsung LNR408DX/XAA Powers on with sound but no picture

I think you need to exchange the Main Board.

Posted on Feb 06, 2009

tvtek
  • 1284 Answers

SOURCE: 32" Samsung TV, No Power or Sound, power LED on, flashes 3 times

Most likely the set has lost vertical sweep or the feedback from that circuit. This will shut the set down to prevent a horizontal line from burning the face of the CRT. This will have to be looked at by a technician.

Posted on Sep 11, 2009

satavlad
  • 405 Answers

SOURCE: Sharp AQUOS LC-46D85U green LEDs blinking, no picture, no sound

Sharp warranty is the way to go.

Posted on Oct 25, 2009

lightnbaby
  • 36 Answers

SOURCE: tv tries to come on but just clicks and clicks.

There are 3 capacitors in power supply board, all 1000uF10v.
2 for 5vdc and 1 for 12vdc. replace with best quality 1000uF 25V cap.
do it yourself repair will save you $300

Posted on Nov 16, 2009

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