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How to fix Samsung CS21C510CL CRT TV switch on but no picture and no sound only standby light blinking five times and then after few seconds it's starting again and again blinking and so on.

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  • Contributor
  • 30 Answers

Hi .
You can try replacing the power supply card and the video card .sometimes the power supply section has bad capacitors that need replacement .

Posted on May 18, 2017

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6ya6ya
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Posted on Jan 02, 2017

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BMW Rider
  • 232 Answers

SOURCE: Sony 57 inch WEGA Projection TV

Hi, this is a very common failure, you need to replace 2 IC chips on your power supply board, marked on the top of the IC`s is this number: MCZ3001D you can purchase them here if you are very proficient at soldering & un-soldering, and the board has to come out of the tv to do this, you might want to call a tv man for this one, but it will fix your set, happy holidays, BMW Rider

Posted on Dec 01, 2007

  • 2318 Answers

SOURCE: No sound no picture, the stand by light blinks four times

If you have the above model, then the four blinks indicate a backlight failure. The back light inverter board might be defective or the voltage from the power supply (+24v) is low or missing.
Let me know if you require further assistance.

Posted on Dec 30, 2008

gopakumarg43
  • 74383 Answers

SOURCE: Sony KDL-46z4100 standby light blinking 12 time with few seconds gap continiously

12 blinks of standby light indicates 'Scanrate error'. You must have thorough knowledge in electronics to proceed. Actually, this is not a user repairable fault. it is very skilled work.

Posted on Jul 09, 2012

  • 35672 Answers

SOURCE: How to fix Samsung cry TV only standby light blinking five times and then the standby light off and no picture.

Could be power supply failure

Posted on Apr 06, 2017

  • 35672 Answers

SOURCE: How to fix my Samsung cs21c510cl CRT TV switch on but no picture and no sound but sometimes picture & sound is OK, what is the problem.

The power supply may be failing.

Posted on Apr 08, 2017

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