Question about Vizio Televison & Video
Posted by Anonymous on
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Posted on Jan 02, 2017
Does LCD screen backlight come on? If so proceed....
USE:CAUTION WHEN DOING THIS....
Try this if repairing yourself...find power supply, small board with no cover over it...check voltages on output pins/plug/connectors (white plugs) three in a row...
1 Plug has 24Volt supply..1 has 12Volt supply and 1 has 5Volt supply when read to ground (screw that holds board in) if you have these voltages it's a safe bet it's the main control board...I just replaced mine and it fixed a problem like yours.
Posted on Sep 02, 2009
I also have a SAMSUNG LE52M87 LCD TV and I have the same
ANOYING BUZZ comming from ( I think ) backlight converter. - I am
almost 100% that its because of the backlight inverter while the sound shifts frequency when backlight is changed ( from 1 - 10 ), but the volume of the buzz stays the same. Only the tone changes. I have this TV for a year now and havent realy noticed until now, so I think it started buzzing recently, because I didnt hear it before ( and I got realy sensitive hearing :) ) ...
ITS DRIVING ME CRAZY ...
PLEASE post what happened when ( if ) you changed the inverter,
or what did you do to solve the problem ...
Many thanks in advance!
Eddie from Slovenia
my email: Ldesign.email@example.com
Posted on Jan 08, 2010
Ok, use those service manual links to help you,
All info like that is in the Service manual, for exact make and model.
Posted on May 02, 2010
Just press the CC button on the remote. Some TV stations may not send out CC data. Pressing the CC button many times will cycle thru all the options including OFF.
Posted on Mar 05, 2011
I have a television that did this. The picture went out but it continued to have sound. It was the projector bulb. I ordered from a dealer on ebay, very resonably priced. It came with instructions on how to install it and was a very easy fix.
Posted on Feb 25, 2012
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