Question about Vizio Gallevia GV42LF 42 in. LCD Television
I have a vizio gv42lf (about 2 1/2 years old) and it will not channel up or down from the remote. I go the the cable setup menu and scan for channel, and it finds 81 analog channels but does not move the digital channel bar graph. I have to cancel out of the channel scan. It still works great for analog channels, A/V inputs, RGB inputs and HDMI inputs.
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Posted on Jan 02, 2017
Don't buy it. VIZIO is not standing by their products.
My GV42L had issues from the ssart and now it shows No Signal and shuts of in 2-3 seconds. I read many similar issues on this site with VIZIO.
Posted on Aug 18, 2009
SOURCE: Need to know part for
Well you need to do some troubleshooting first. No pictures/No sound can be caused by failed 12v/24v power supply section due to bad caps, or it is not getting the PS_ON signal from the main board, or the inverter boards have shorted circuits that cause the 12v/24v power supply to be in the safety shutdown mode.
Learn more here:
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
Posted on Dec 14, 2010
This can be due to possible AC factors in the power supply and is due to poor regulation. So check for faulty, leaked or weak capacitors, if the fault clears up on heat then thisis for sure. If so you can simulate heat using a hair dryer to pinpoint the area of fault and confirm. Also placing a capacitor of similar value in parallel to the suspected capacitor will confirm as the fault changes.
Attempt only if equipped.
Posted on Sep 29, 2011
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