Re: Vizio 42" LCD Model SV420M, Black Screen no sound vizio Logo normal
Thanks to this thread, I was able to use this same bypass repair to jumper from U7 to PS-ON with 1K resistor to fix a Vizio SV420M 42" TV. I spent several hours trying to diagnose what was wrong with the main board without identifying the culprit. Everything checked good from capacitors to voltage regulators to diodes etc. I was getting pretty frustrated until I saw this thread. This solution got me up and running in a matter of minutes! It cost me $1.69 for the resistor, so I've decided against replacing...
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