Checking this tv Vizio SV320XVT for my friend.He told me the tv started with
no video but with sound now when turned on it shows Vizio image and then
black screen but Vizio lights stay white and no sound.It doesn't give chance
to do anything no menu if hit Imput button do nothing.I checked some voltages
CN3 Pin 1-----3.7v with tv ON
Pin 2,3,4--14.2v " "
Pin 5,6,7,8---0v
Pin 9,10,11---6.4v
Pin 12------4.5v
Pin 13------4.5v
Pin 14------7.5v
So what could be the problem,the backlight inverter,the tcon board or the main board?
Thanks for any help.
See attached file
no video but with sound now when turned on it shows Vizio image and then
black screen but Vizio lights stay white and no sound.It doesn't give chance
to do anything no menu if hit Imput button do nothing.I checked some voltages
CN3 Pin 1-----3.7v with tv ON
Pin 2,3,4--14.2v " "
Pin 5,6,7,8---0v
Pin 9,10,11---6.4v
Pin 12------4.5v
Pin 13------4.5v
Pin 14------7.5v
So what could be the problem,the backlight inverter,the tcon board or the main board?
Thanks for any help.
See attached file
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