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Frank Tramontano Posted on Aug 30, 2016
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I have a vizio M650VSE TV... buttons on side of TV no longer respond. As such can only change channels via cable box and power off/on via power plug. Picture is fine. Wondering which board to repace

Picture and sound are fine... just lost the ability to use remote as well as buttons on TV.

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The Knight

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  • Vizio Master 76,851 Answers
  • Posted on Aug 31, 2016
The Knight
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Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

If the "Panel lock" is ON, this type of fault can occur. Check it. Refer its user manual for details.

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How can I add a channel on a vizio tv?
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clip_image001.jpg
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