Vizio SV470M LCD TV "sound changes channel" Questions

Tv is on, screen is black. Sound is working. Channels won't change. Tv will not turn off. tuner/decorder is gone out you would need to purchase a new decorder board for this. Try hooking up something ...

...channel and the screen turned white. i still have sound but no picture bad t-con board It not the T-con board,u have broadcast signal came through but white screen.The Tuner board have a dead mosfat ...

...channel (3.1, 10.1, 13.1 etc) sound works fine for a few seconds then starts going robotic and unintelligible. you either have to wait several seconds for sound to straighten out or change to another ...

...channel for sound to start again? I have this same issue --- it kinda sounds "digital" or choppy.. then after a few minutes sound will go away all together. If i change the channel the sound returns ...

...sound continues to go to extreme low or high and when changing channels they keep changing in sequence without using remote This may be because of your personal preferences settings for channels. Try ...

channel. Help! No sound, picture frozen, unable to Change channel, help! No sound,picture froze, unable to change channel, help Sounds like a firmware corruption. Contact the authorized service centre

...Sound and picture are fine All the buttons on the remote and tv seem to work except for changing the channel or when you press the ENTER button to adjust or change anything like the EZ setup . Any ...

channel appears, it sounds like you are not getting enough power out of the inverter board to power up the backlight enough to come on. This is why the sound remains because everything else works fine

...i hook up dvd through AV jacks? any solution? What do you mean exactly when you say 'there is no sound while changing the channels.' is there sound when you turn it to a channel and leave it

...sound changes, but channel is frozen. If I scroll up or down a few channels work--both sound and picture are correct. Disconnect from wall, wait one minute, try again, if nothing unit needs