Samsung led TV model UN40H6203AF no picture no sound no backlights. Flashlight test shows letters on screen after pressing menu button. Standby light blinks 5 times after turning on.

Replaced Main and Power Board and still have the same problem.

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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Home Appliances Faults

homenol.blogspot.com

Fault symptoms to home appliances

Posted on Jan 30, 2017

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