Question about Sylvania LC320SS9 32 in. LCD TV

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Power light just blink on my sylvania lc320ss9a lcd

Power light just blink fast on my sylvania lc320ss9a lcd

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It can be the power supply is unstable due to bad DC filter caps, or it is sensing short circuits caused by backlight board, you will have to take it apart and start by visual inspection first, look for bad caps iwth leaking/bulging tops (caps can look OK but can have high ESR). Then you need to do voltages checking.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:


Posted on Jul 14, 2010


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The tv powers up for about 30 seconds and then the power light starts blinking fast and the tv shuts off i think it is the main board but any suggestions would help

Good day.

This the procedure that you have to do.

  1. Remove the cover of your TV.
  2. Power on the TV to apply voltage data.
  3. Check the power supply output.5vdc for main board supply,12v for the sounds and 24vdc for back-light inverter.
  4. If any of the 3 supplies are missing or got a voltage drop,there's a problem with your power supply.Check some leak/bulging top capacitor.
  5. If the 3 supplies are OK,the problem is on the main board of your TV.Replace it.

I hope this solution will be helpful.Thank you for using FixYa.Good luck.

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