Question about TruTech PVS31170S1W 17 in. LCD Television
The tv has green or red pixels where it should be black started doing it once in a while now its constant
SOURCE: Samsung plasma PS42D5S
You need to adjust the panel voltages, adjust the VS voltage to around 186 volts, if that doesn't change it then adjust the V-Scan voltage down, turn the unit on and apply a video source to it, and while adjusting the voltages look at the screen and you should be abe to watch the video noise fade out.
Posted on Feb 17, 2007
SOURCE: Red Snow
Sounds like you know what your doing so i won't get over technical on ya ! Diffusion is the name for the problem.Adjust the VA and VS, if that doesn't cure it the panel is bad.
Posted on Jun 11, 2009
a better solution is to replace the LVDS cables or just reseat them as the contractor stated it could be a motherboard but about 90% of the time it is actually the LVDS cables ohm load that puts toomuch load on the motherboard. the cheapest solution if out of warranty is buy an lvds cable and simply replace it if the issue still exist after the cable is replaced it will be a motherboard issue but any time you have red green or blue speckles on a vizio TV you should always swap the cable first since quite simply put it is the most common point of failure with that issue.
Posted on Feb 01, 2010
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