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1. The power light indicator indicates whenever the power is on or off
2. I cannot see the menu becuase the screen is black
3. The unit is 3 years old
4. Yes, i have the same problem whenever watching other devices
My expectation is that you will pin point the problem since you're an expert. I already knew it's computer board related and had hope you had seen this issue before with the ability to point me to the exact board that need replacement. Sorry to say, but I am not satisfied.
Have you experienced this problem? If so, what was the issue?
Do you recommend replacing the main board or any other related boards?