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Sound problems I have no sound on commercials. I can hear some channels. The screen says Auto Sap. Then some channels say Mono. I know its not a big problem. I was messing with the remote and caused this problem. It was working fine until i messed with it. Dummy me. Don't try to fix it if its not broke. I hope you can help me. Thanks Cheryl Fitzhugh

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Re: Sound problems


Would you please post back with the brand and model of your television and are you still using the original remote?

Good luck and looking forward to your 2nd post.

Posted on Jan 13, 2008

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Hello friends...i have a 15 lcd of alba company..model no alcd15tv2 ro3sx2...i m having problem with my tv sound as when i connects to tv through rf in sound dosent come...and when i join a dvd or any...

You have something in the set's menu set wrong--if sound ok with a DVD set is ok---look in menu for something like SAP= most sets have Mono-Stereo-Sap settings.

Sap is secondary audio program which is for a second language to be broadcast (French, Spanish etc.) and if not active there will be no sound on selected channels.

I suspect a careful look will show SAP is engaged and some remotes have a button (MTS etc that will unwittingly get pressed).

Good luck and hope this helped.

Apr 18, 2012 | Standard (CRT) Televisions

1 Answer

How to I disable the SAP function on RCA FLAT 19 INCH screen?

From its main Menu, surf towards its sound Menu.
By using UP/DOWN buttons of the remote handset, select SAP

SAP (Second Audio Program) (for analog channels only) Plays the

program's audio in a second language, if one is available. The TV displays

the word SAP in the channel banner when you tune to a program that is

broadcast with SAP information. SAP audio is broadcast in mono. SAP is also

used to broadcast a program's audio with descriptions of the video for the
visually impaired. Press the right arrow button to turn SAP on or off.

Sep 22, 2011 | RCA TruFlat 27F520T 27" TV

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Can't change from MONO to AUTO mode

Can't make sound from mono to auto is your problem I thinks and posts this solution.
Hit the "Menu" button and surf through, come to "Sound Adjust" window.
The settings allow you to change and adjust sound in your TV. There are Bass, Treble and Balance control to adjust to your individual taste.
To adjust them
1. Press Menu button.
2. Press UP or DOWN button to select the desired item.
3. Press => or 4. Press EXIT button when finished.
When adjusting the parameter of "Balance" control, always set it to mid position to get stereo sound from both speakers. If it is set to any extreme end, there will be no output from the speaker of that side, and will hear as mono.
If you press "0" [Zero] button, you can reset the sound settings to it Factory settings.
To select 'Streo mode;
1. Press "Menu" button.
2. Press UP or DOWN button to select MTS [Multi-channel Telivision Sound].
3. Press => or [The ON AIR arrowtells you if a broadcast is in stereo AND/OR contains the SAP.
Press "Exit" button when finished.

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.

Apr 01, 2011 | JVC AV32F476 32" TV

1 Answer

Under the channel it says SAP and no sound comes out on some channels,on other channels its says stero and works fine how can i fix the problem

I found this information in the manual, and perhaps it will help:

1 Switch the audio.

• Every time you press [AUDIO], the audio will

be switched as below.

MAIN : Outputs main-audio

SAP : Outputs second audio channel
MONO : Outputs mono-

Also the manual says this about SAP:


(Secondary Audio Program)

Second-audio channel delivered

separately from main-audio channel.

This audio channel is used as
an alternate in bilingual broadcasting.

Here is a link for the manual, in case you want to go over the settings. I'm thinking this is a setting problem in the menu, but it can be a physical problem with a cable line.
Of course it could also be a trickier problem, but check your settings, check the cable line with another TV if possible, and then contact ILO Support for help, in the event nothing fixes it.
Good luck, and hope this helps.

Dec 01, 2010 | iLO IWT3206 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

I have a sony trintitron model kv20fs12 that i just bought used.A few of the channels have audio only during commercials. When the show comes on it has no sound. One channel has background noise such as...

Check your TV's audio settings and make sure it's not set for SAP (second audio program). You'll probably find it's turned on. On many channels or programs you won't notice anything since the broadcast doesn't include a SAP signal. But if the signal's there, the set switches to that sound channel and you have the trouble you describe.

The problem you might run into is that you often need the original remote to control the audio settings. I don't remember for sure if your Sony model has front-panel menu control. I believe that series does, though. (The remotes included with most TV sets usually have a single button to control SAP, which is often how the settings get changed in the first place. Someone hits the button and doesn't know it.)

Hope this takes of your mystery sound! Thanks for using Fixya.

Feb 14, 2010 | Sony FD Trinitron WEGA KV-20FS120 20" TV

1 Answer

No sound on channels that have SAP instead of Stereo

You can access the menus using the buttons on the set. Go to audio menu, you'll find a setting that says listen to and have choices of mono stereo or sap, choose stereo.

Oct 08, 2009 | Mitsubishi Standard (CRT) Televisions

1 Answer

My audio comes out spanish. I have an older 32'' RCA. I don't get audio on most channels and when I do it comes out spanish but the commercials are english. I don't remember doing anything to the tv and...

sounds like the audio of your tv is set for SAP (second audio program). there should be a button on the remote that sais sound. push it and the sound should change from SAP, Mono, and Main or stereo. choose main or stereo.hope that helps

Jul 22, 2009 | RCA Standard (CRT) Televisions

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

Tv audio feed

You most likely have the SAP mode activated. Look for a button on your remote or an item in the on-screen menus of your television called MTS or SAP. You want to set this to "Normal" or "Stereo" (or even "MONO") mode to hear the regular television sound.

If it is in SAP (Secondary Audio Program) mode, as I believe yours is, you will hear other audio. Often this is a translation to another language, such as Spanish, and other times (notably with PBS stations) it is an unrelated audio (often music) feed.

Feb 14, 2008 | Standard (CRT) Televisions

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