Question about Toshiba 20AF44 20" TV

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No sound on channel 7

I can't find my tv manual, I have a toshiba flat screen and on channel 7, I can't get the sound on. The screen shows sap on that channel only. How can I correct the problem>

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In audio menu, find selection for SAP and change to stereo...
Let me know if more help needed, provide Model #..........T.

Posted on Dec 11, 2007


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Apparently the TVGOS (TV Guide On Screen) signal on CBS stations (since the 6/12 digital changeover) can cause the sound to be missing on those channels. Use the SAP button on the remote to page through the SAP options. When you return to the normal setting the sound will be restored. This problem should not occur again unless the SAP button is pressed.

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Your SAP audio function is on. Look on your remote or in the TV menu for SAP or MTS. There are 3 settings, Mono, Stereo, and SAP... set it to Stereo. I hope this was helpful, best wishes.

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Your SAP/MTS function is most likely turned on. This feature has 3 modes: Stereo, Mono and SAP. Stereo and Mono are easy to understand, it's the SAP that can get you. SAP stands for Second Audio Production. It is used to provide weather, information or an additional language translation of a program. Some broadcasters simply transmit the mono audio over the SAP audio channel when the are not using it for other purposes. Other broadcasters simply do not use it, which does not give you any audio. Look on your remote for a SAP or MTS button. If you do not see one, look in your TV user menu for this feature. If you are using a cable box, look in the audio menu of the cable box. You are looking for something set to SAP... just change it to STEREO. I hope this was helpful.

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It is possible that the TV set has an SAP (secondary audio program) setting that has been turned on. To check this go in the the menu, find audio settings, usually the correct setting for this is Stereo, other setting may include Mono, Surr-Stereo, etc.

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If you have lost sound on only one station and are using cable or an antenna directly to the TV. Look in the audio settings as most likely the SAP mode is turned on. If the TV detects a SAP signal even if there is no audio this is what you will end up with.

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Might be as simple as you have the SAP or second audio progam turned on, go in to the sound menu of your set and see if it's set to S.A.P if so turn it to Stereo

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Do you have the original remote? it will look like the one here: If you do not have the original remote you will not be able to switch off the SAP setting, without it as there is a button that controls the sound. when this button is pressed you see where to turn off the SAP setting. Good Luck

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