Question about Sony KDL-55NX810 BRAVIA NX810 Series 55 Class 54.6 diag. 3D Edge LED HDTV, Black, Full HD 1080p 1920x1080 Resolution, Aspect Ratio 16:9, Infinite Dynamic Contrast Ratio, Viewing Angle Right/Left 17889/89, Viewing Angle Up/Down 17889/89, Audio Power Output

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My Sony Bravia LCD TV reboots itself repeatedly. When I switch it on, sony Logo comes on the set is on for 10 seconds and then it switches itself off and restarts itself repeating the same sequence. I

There are no error codes. The redlight flashes only once before the TV reboots. There are no capacitors which are bulging. I tried removing the LVDS cable from the main board but the TV still reboots. Thank you for your help in advance

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  • ramg Nov 27, 2014

    Thank you for the answer. Did you mean the power supply board or the main board which has the HDMI and the cable connections? When I checked the output from the power supply board to the board with the connection to the HDMI and audio, the output showed 5.5 volts in the power output when the TCV switches on, but it would show zero volt when the TV turns off. Thanks again

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Replace main board

Posted on Nov 25, 2014

Testimonial: "Thank you for the answer. Did you mean replace the power supply board or the main board with the connections for the HDMI and cable. When I checked the output from the power supply board to the main board, it was showing 5.5 volt in the power on output when the TV switches on but would show zero volt when the TV switches off. Does it mean that there is a problem with the power supply board? Thank you again and appreciate your help"

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