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We have a samsung L40a630 tv and it's not turning on. The red light blinks 3-5 times but then it shuts down, and keeps cycling through the same process. We have taken the back cover off and checked the capacitors but none of them are bulged. Can you help us?

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Hi,
Please replace power supply board in tv to solve this issue.
Required power supply board is available in SamsungParts and PartStore.
Hope this will help.
Thanks.

Posted on Mar 26, 2011

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Physically disconnect the SU board and the SD board. (See precaution # 5)

Plug in the TV and turn it on.

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No

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(See precaution #3)

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