Question about Vizio SV470M LCD TV
Posted by Anonymous on
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Posted on Jan 02, 2017
Your main problem is that you bought a cheap Vizio tele instead of a Samsung or Sony. Theres a reason why these teles are cheaper. They have barely any quality control. Don't buy a tele cause a football player says its all good. Try going into the settings and adjust the contrast and hue or take the thing back to the shop for refund if you feel this unit is just rubbish.
Posted on Oct 30, 2009
This is often called the "Soap Opera" effect...I had a similar problem and found that changing the settings helped tremendously. Here are the settings I use:
Picture Mode: Movie
Noise Reduction: strong
Color enhancement: off
Advanced Adaptive Luma: Off
Enhanced Contrast Rato: off
Color Temperature: Normal
Smooth Motion Effect: low
Real Cinema Mode: Precision
Also, there's a great thread on the Soap Opera effect here:
Posted on Mar 18, 2010
verify if it only happens on the antenna/cable input and if it works fine with dvd or other input, then it is a signal issue with the cable or antenna u r using and repair that problem and not the tv
Posted on Apr 18, 2010
SOURCE: vizio model sv470m screen went
Blank on ALL video modes?
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.
Please leave rating if it helps.
Posted on Feb 16, 2011
Do you have backlight? If you do, you have a bad main logic board. Very common with vizio and are hard to find. They are usually out of stock everywhere.
Posted on Oct 31, 2011
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