Question about Vizio 42 in. LCD TV
Lets find out first if it is the remote controller or the remote IR receiver in the TV problem.
Testing remote control:
The remote control puts out IR (InfraRed) signal that human eyes cannot see, to find out if the remote is sending out the signal or not you just point the remote at the digital camera's Lens (Digital Camera can detect IR), you should see flashing light on the camera's screen when any one of the remote button is pushed. If you do see the flashing on the camera, then the problem is in the TV IR receiver or the main logic board; more troubleshooting with scope will be needed to look at the signals.
Posted on Mar 24, 2011
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Posted on Jan 02, 2017
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