SOURCE: Vizio VF550M volume stuck at 100
The 2 suspects are possible but there is a way to find it..try to get the control board and remove the vol+ button on it..then back the controller then power it on again try to push vol- on remote or TV..if no help you have faulty main board..
SOURCE: problems with vizio vf550m
These new plasmas are very sensitive to dust I had the same problem with mine I would press the volume and the channel would change or i would put it on one channel and it would go to component by itself I took it apart and blew it with a can of computer air and cleaned the buttons with alcohol and swabs works perfect now. hope this helps
SOURCE: Vf550m vizio 55inch lcd wont turn on just get vizio emblem white and orange.
Fault to its main 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.
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