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Vizio E421VA 42 in. LCD TV Questions & Answers
I have a E421VA Visio TV. The sound seems to cut
My personal suggestion would be to go for these repair catalogs. I know this website reliable-store.com that i used to
buy them from, and they sold online it was very good manual. Go ahead, I bet.
Visio e421va have stdby and power on light
This is going to be one of several problems. Very first think to check is fuses and capacitors. Then I would start with the power board. Check your voltages on the in and output side. If they are all good I would go to the logic board. That is the small board and pretty inexpensive. From there you have to go to the TConn, but I don't think that is it. The next step is the X and Y board. It is most likely going to be the Xboard. If you are not getting audio or video then you can unplug the logic board where it connects to the main board. If you get the sound upon turning it on with it unplugged then your logic board is one of the things that went bad. Most cases you will have to upgrade the firmware with your new boards.
Why does my tv turn on show logo then go black
It is possible that the TV is looking for an input signal that is not there. Make sure you have the correct input selected. Most remotes have a button to select input. Most cable boxes end up connected to HDMI1, but that is not a requirement for the TV to work.
Factory reset without remote
You must have its original remote control do do a factory reset, because, there is no other way to enter its service mode, without its original remote control. A universal remote won't do.
Some channels are snowy and
We literally have 1000s of LG TVs at work ranging from 32"-42" and beyond. Our joke is that LG stands for Little Good. We have to pay a few hundred dollars to replace the tuner board inside.
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