I have a Vizio E701i-A3e that won't power on, no backlights, orange standby light comes on after a while. I hear humming on power supply board.
I used backlight tester and got 177.2volts on all 3 sets going to backlights and they lit up.
T-con on-----0
12v t-con----0
nc
led br-------4v
led on------0
Bl-err------5.02
12v Reg----18.5
12v Reg----18.5
grd
grd
grd
12v audio---18.5
Ps-on-----4.78-4.85
AC det----5.14
3.3v------4.97-5v
Any ideas what to check next?
I used backlight tester and got 177.2volts on all 3 sets going to backlights and they lit up.
T-con on-----0
12v t-con----0
nc
led br-------4v
led on------0
Bl-err------5.02
12v Reg----18.5
12v Reg----18.5
grd
grd
grd
12v audio---18.5
Ps-on-----4.78-4.85
AC det----5.14
3.3v------4.97-5v
Any ideas what to check next?
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