Question about Welding Tools
I have the 5 volts at Mainboard (Fuse F4)
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Posted on Jan 02, 2017
SOURCE: i have a vizio modle
Wow, if you had more than one component fail, which it sounds like you did, you are in for a whole of hurt so to speak... Chances are many components in the TV either failed at the same time (due to the power going out from the power board and probably "frying" other components), or at least we affected by it. Most likely you will have some major issues with the TV even if you get it back up and running.
Wait I just re-read the problem, you said you had no problem with power, and then you say "now i have power but no video" which indicates that before you didn't have power.
Please confirm, do you think you have more than one component that has failed?
Posted on Sep 21, 2010
SOURCE: i have a vizio model
This would confirm a power board componet failure , I would suggest you change that out for the fix. I recommend shop jimmy.com or partstore.com I sure wish you best of luck with your repair, do ask that you please leave some feedback, ratings for your free advise. Regards Rulds2008
Posted on Aug 18, 2011
Amber light on means standby voltage is high. IF amber light does not go white when power button is pushed the its one of two things.
A. No power on command from main board. Usually labeled PS-On. Should go high from 3.3v or maybe 5volts. If not present Main is defective.
B. If the ps-on line is going high then your problem is a defective power supply.
Posted on Oct 15, 2013
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