Question about Vizio M550NV 55 in LCD HDTV
Yes. A wrong number T'Con can cause this. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Line 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.
Posted on Dec 16, 2016
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Posted on Jan 02, 2017
This TV comes with a remote that connects to the TV via Bluetooth. It
remembers which equipment is connected to the various inputs, and
automatically changes the controls to match the input equipment - really
nice! I found that it will control all my equipment, and since it
works via bluetooth, you don't have to have direct line-of-sight to the
TV. Wish that the bluetooth part worked for my satellite equipement too!
Programmable remotes will operate this TV, but depending on how old
they are, they may not be able to hit all the features of the tv - our
older directv remotes will operate the basic features, but only the
newer models will change the input source - so you may want to use the
remote that came with the TV. We have smaller kids, and wanted to limit
their use of the tv remote, because it has a slide-out keyboard similar
to those on some cell phones to make posting to facebook (one of the
apps that comes on the tv) easy. Since our youngest is 5, we thought it
might be best to keep that remote out of harm's way.
More Detail :
Posted on Sep 26, 2012
yes it could be a t-con board but could also be a 12V power supply output failure. The Video processing board, and LCD panel uses 12V
Posted on Oct 14, 2012
If you can see the Logo; the back light is there. Contact any service technician; Sounds like main board fault. In most cases, a firmware update might help you. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Posted on Jan 19, 2015
SOURCE: Tcon issue?
Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.
Posted on Jun 02, 2015
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