Question about RCA 32F531T 32" TV

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Sound setting When I change channels on my TV, certain channels have no sound. The letters SAP are displayed on those channels, but I cant find where to change that at. I went to the sound settins, but didnt see anything. Any ideas?

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Re: Sound setting

Do a set up and turn off sap in the audio program again

Posted on Mar 27, 2008

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Why the sound only on certain channels and some channels start speaking Spanish?

You most likely have the SAP (Second Audio Program) feature enabled. Many shows do not have this sound track and that is when you hear nothing. When the SAP is on, it is usually in Spanish for English-speaking programs. Check your TV remote for SAP and see if you can disable it.

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No Volume from cable input

The sound is probably set to the SAP channel (language) and the SAP channel is not active on the program you are watching. Just push the SAP button on the remote. The button might be labelled SAP or LANG. This will return you to the main sound channel which is always active.

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Stereo SAP will not come off a few channels , no sound on these channels

Do a factory reset to this set. The Secondary Audio Program [SAP] to all channels will be cleared. Refer its user manual for details.

Mar 25, 2013 | Standard (CRT) Televisions

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Several channels have lost sound entirely on our Mitsubishi CS-32509 television. On other channels things are in Spanish at times while in English at other times. Then there are other channels that have no...

You've managed to turn on "SAP" (second audio mode) which will cause the trouble. It doesn't affect all channels, as you're finding out, and can be frustrating. Mitsubishi remotes have a singe button for SAP, if I remember correctly, and you can press it and change modes without knowing it. (The button may be marked AUDIO or SAP.) Just press the button until the on-screen display tells you SAP is off. This will bring the sound back to normal.

This ranks up there with the mysterious black box that appears on some channels. This is because of closed-captioning being set to TEXT, and it happens the same way: pressing a button on the remote.

Jun 29, 2011 | Mitsubishi CS-32509 TV

1 Answer

How do I get my rca truflat tv to get out of mono?

Press the MTS on the remote control handset to select STEREO, MONO or SAP. All the options will be available only when the current TV channel is broadcasting that option. Channels will not always carry programes, that have all MTS options. If "STEREO" appears on the screen when you select a channel means stereo sound is available with current programme. You can hear sound from both speakers. If broadcast is not strong and clear, stereo sound will not be available. Press "MTS" button to change it to "Mono". This will eliminate the noise. If "MONO" appears on the screen when you select a channel, stereo effect will not be availabe, even though you have set it to stereo. If "SAP" appears when you select a channel 'Second Audio Programe' [SAP] broadcasting is available for that programme. Press the "MTS" button to 'SAP' and you can hear that programe in different language or some other kind of audio.

Oct 28, 2010 | RCA TruFlat 27F520T 27" TV

1 Answer


SAP is short for "second audio program" and is a way to send a second audio track along with the main one. In many areas stations use SAP to provide Spanish or other language sound for movies and other programs. If you have SAP turned on you don't know it until you tune to a channel where it's being used, and then you hear the other sound. Just turn SAP off using the remote control or TV menu.

Dec 18, 2008 | Sony FD Trinitron WEGA KV-36FV27 36" TV

1 Answer

Bad sound-garbled and goes off on certain channels.

Go into the menu and make sure the SAP is off.

Oct 24, 2008 | Sansui DTV2760 27" TV

1 Answer

Cant turn sap off missing sound on some channels

Hmmm, you'll need that original, there. See if you can find one, and maybe even just borrow one to get what you're after...accordianman

Feb 09, 2008 | Sharp 27H-S60 TV

2 Answers


Hi Suezie,

The problem is most likely your SAP being turned On.

SAP was created for audio programing including translations into a 2nd language. On nearly all sets, the SAP being ON will essentially select an alternate audio stream and will de-select or mute the main audio from the channel your are viewing. However not all TV stations have SAP enabled.

I am the Chief Engineer of a TV station in Denver, CO. We are not using SAP so if you selected SAP while watching my station you would get noise or static. There would not be any audio there.

Go to the front panel of your TV and select the "MENU" function. Step through the menus to Audio features and De-select SAP or Enable your main audio and this should take care of the problem. Alternatively you might be able to unplug your set for a period of time and it would reset itself. I used to get calls from elderly viewers when the set wouldn't pick up the UHF TV stations anymore. These were always after a power failure and the set had defualted to factory settings,

Different set manufacturers use different menu schemes and withou a password feature, these menus are so simple a small child playing with those fascinating buttons can change them for you to something you really don't want.

Good luck and write back if you can't find it. The set manufacturer and model number would help me look up a menu tree for your TV set.

Thak you,
Bernarr Howell

Feb 03, 2008 | Standard (CRT) Televisions

2 Answers


Please give full service # and chassis # for accurate info.Repair involves EEPROM replacement

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