Question about Vizio L42HDTV 42 in. LCD Television
Sound on certain channel selection varies from none, to weak on Direct TV signals. Model VL420M, serial# LQKEGAK3102832
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Posted on Jan 02, 2017
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Keep the TV in stereo mode to get the best sound quality. The sound will work in stereo
mode even if a certain broadcast is in mono sound only.
Choose the mono setting to reduce excessive noise on a certain channel or broadcast.
Selecting SAP will allow you to hear an alternative soundtrack, if one is available.
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