SOURCE: Vizio P42HDTV Power on Diagnosis
Please check the U29 8 pin little surface mount mosfet it has this letters > FDS4935 > > In this part inputs 13.2 volts which is ok for the near 12 vdc but it > outputs 1.250 vdc i am 100% sure that this is all the problem > > check it out, and tell me if you´re agree with me > > On this output pin it feeds the audio Ic, the 7809 and the tuner side board > which needs de 12vdc too and its getting only the 5vdc part > > what do ya think?? > > Richard
SOURCE: No Picture
I would check the soldering first for any cracks, and any obvious faulty capacitors or components. It looks like the power board is going into a protective mode because of a short / failed component somewhere.
It would be virtually impossible to guess exactly where with a spot check..
SOURCE: vizio gv47lfhdtv10a no picture no sound
Well guru way to help him out with his problem maybe he doesnt have the money to just run out and buy a new one...
SOURCE: Vizio VX37L HDTV10A no picture
Hi.
You need change the Main board. You have a micropros. problem.
100 views
Usually answered in minutes!
×