Want to fix my Vizio D55u-D1 TV. Anyone have experience?
Have had this Vizio for about 5 years. After 1 year it began freezing - the picture froze with the only solution being to hit the power button. It would then take a minute or two to restart. Figured since not happening sometimes for a week that we could get by.
Then we've just noticed flickering in the upper left portion of the screen - there's a band that gets dark going from the left side to the middle and another one above it near the top that's not as bad. The other freezing problem persists as well.
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Chances are you have a main board issue, you should have run some voltage tests before replacing the power board, its sad how many people order boards that aren't bad because they don't do the necessary testing prior to ordering boards.
Flickering can be adjusted. Contact any experienced service technician. If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.
I had the same issue happen to my vizio lcd just this weekend. Everyone is telling me is a bulb or backlight or something. It would explain the loud pop and no picture, but I'm not getting sound either so I'm not sure what exactly happened. Only after about 2 years too. I'm trying to find parts to just fix it myself.
This seems more like an interface problem then a board issue.
Which interface are you using Component Video, HDMI or , RF(F Connector)?
If you are using the RF (F Connector) there might be a problem in the tuner including the RF and IF sections on the circuit board.
If you are using HDMI there might be a problem in the HDMI Integrated Circuit
If you are using componente video the there might be a problem in the video circuits connected to the RCA jacks of the Component video input.
If I were you I would have the take the TV back to the shop and have these items checked out, because board swapping is not the proper thing to do.
I hope this helps,
The main board is bad. I have seen a lot of TV has the same problem like you have. Replace main board will fix it. If you bought these TV from Costco and less than 2 years then they all still under warranty.