Question about Samsung TXN3245FP 32" TV

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Poor Sound Any solution to my TV's sound output. The on/off chime works fine; however, the speaker volume is soo low that you have to put your ears near the speakers. This is with the volume set at low up to high. Even with the headphones plugged in, the sound through the phones does the same. Tried to fool with all the audio settings with no success.

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Re: Poor Sound

Audio amplifier IC faulty that why you get very low volume. Else check audio driving circuit to the audio power amplifier. Contact service centre. as there is no rectification process from user part

Posted on Dec 22, 2007

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Sharp crt tv no sound primo series

Just connect an other speaker in place, and make sure that the speaker inside the TV has no fault. If sound comes out from the externally connected speaker is OK; be sure that the speaker of your TV is OK, and the fault with with its audio output section circuit. Check and replace the damaged component/s at the audio output stage circuit. Contact any service technician. Gopakumar Gopalan Google

Mar 10, 2014 | Standard (CRT) Televisions

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No sound

If picture is OK and there is no sound output from your tv, means either its speaker or the Sound output Ic is not working. The case of speaker fault can be easly detected without opening the TV. You just place your ear very near to the speaker side and switch on the TV by AC mains [not with remote control]. You may hear a "thumb" SOUND OR A "HUM" sound from it. If any one is there the internal speaker is working fine. The fault lies in audio output Ic stage. If there is no sound said above, speaker can be suspected. Befor confirming that the speaker is faulty, if your TV has an earphone or headphone jack in front, insert the earphone or headphone socket into it, and check whether there is any sound heard from it. If there is sound from headphone, means that the headphone socket is faulty, it does not bypass the sound to the speaker. When head phone is connected, the connection to the speaker will automatically cut of. When it is pulled out from the socket, the speaker connection will resume. If the changeover switch inside the earphone socket also show this kind of trouble. If the speaker inside is found faulty, unscrew it out of place after opening the TV, go for a same type and number, impedence and shape.
If there comes the above said "HUM" sound from the speaker, surely the Sound Output Ic is faulty. Replacing it will solve the probelm. Before replacing it, check it soldering points for any loose contact. It is best to resolder all suspected point is sound section before replacing the ic.
Note: In modern TVs there will be any trace of sound, without a video signal. Without video, sound is muted. ok.

Nov 07, 2010 | Toshiba CF19H25 TV

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The picture is fine but the sound is not working. I push the volume and you can see where the volume level is going up. Have tried turning it off and unplugging it to try to reset it but nothing has...

Picture being Ok, and no sound output, means there is some problem inside the sound output circuit of your TV. It may be due to a speaker fault or an IC fault. You have to find out which of these has fault.
You just place your ear very close to the speaker side, and switch on your TV with its AC mains On-Off switch, not by remote control handset. Listen carefully, whether there is any sound output of any form comes out of it or not. If there is no sound at all you can determine that the speaker may be out, not in all cases. If you have the habit of listening your TVs audio by using a headphone, continious in-out action could damage your TVs headphone socket. If the headphone sockets' contact got damaged, no sound output will come from it to the speakers. Suppose you can hear the sound through your headphones but not throuhg speaker, means that its change over contact has some trouble. You just do this first. Insert a headphone pin into your TVs headphone socket, if provided, al listen to it for sound. If there is no sound from headphone also, Sound output Ic iside your TV has damaged, or not getting proper voltage to it. If there is sound through the headphone, and not from TVs speaker, trouble is related either speaker or the above said socket.
If all the above has no effect, that is no sound either from headphone, of from the speaker, you should go into the circuit board of your tv to get the fault.
Open your TVs back cover, and trace for the sound output section. There will be an Ic used as sound output. Check whether it getting heated some time after switch on the TV. If it overheats without any sound output, it is damaged Desolder it out from the circuit board, go for a same type and number, replacing it will solve the problem. If it doesn't overheat, or no heat at all, check its input voltage. In some cases, loose soldering points on the legs of Ic may also the cause. Check it too. Ok.
If you need any more clarification, ask me through Fixya. Give
a brief explanation about what you have done so far also.

Nov 04, 2010 | Symphonic ST419E TV

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No Volume. Mute is not on. Volume control is at normal level. Tried leaving the TV off for awhile but still no sound.

If there is no volume in your TV, and mute fuction si in off position, and the picture is ok. there are two possibilities. The first one is, speaker of your TV is damaged. The second one is audio output Ic in your TVs inner circut board failed.
You just open your TV taking after every prcautions when we take before working with an electrical equipment. Keep children away from you, and let an adult beside you. Plug out your TVs mains chord out of wall socket, and never use a matal chair or a chair fabricated with metal. Do wear a rubber or plastic shoes, and not try to work with bare foot.
At first be sure whether the speaker is out or not. It can be tested without opening your TV. I suggests these, keeping in mind that your TVs picture is Ok. If not the problem may differ. Keep your ear very near to the speaker side of your TV, and swith it on with mains supply, and listen there is any sound or just a "thumb" sound is heard from the speaker. If there is no "thumb" sound, surely the speaker is damaged. Replacing it with same type and impedence [ie 4 ohms, 8ohms, 16ohms etc, will be marked on its magnet], will solve your problem.
If there is no sign or any sound, or just a "Hum' sound is prodced, the audio output Ic of your TV is damaged, or it is not getting the proper supply voltage to the respective supply pin. If there is a "Hum' sound produced from speaker, it is clear that your TVs audio Ic gets voltage, but it has damaged.
To repace it, you just follow, the two wires to your TVs speaker. It will go to the main board of a sub board which audio Ic is fitted. Normally this Ic will be screwed into a metal heatsink to runout the heat generated from it while working. Just desoder it, unscrew and take it out. Go for the same type and number. "Insist on same type and number. never try to use any substitutions, as it may effect the quality of sound". Solder it to the point. That is all.
Wish you success
If you have any further doubts, report to Fixya. They will send me alerts. Ok

Oct 21, 2010 | Zenith C27A24T 27" TV

1 Answer

Their is no volume

There is no sound you means? If so what about the picture? If picture is ok and there is no sound either the speaker of your tv or audio output Ic inside your TVs circuit board is faulty.
To check it, place your ear very close to the speaker side of your tv and turn it on. if a "thumb" sound or a "hum" sound is heard from your TVs speaker, the output Ic is faulty. If there is no sound at all, speaker is faulty. If you have any home theater system; and your TV has audio out RCA sockets at the rear or front side of it, connect it to audio system, and swich on both and find if there is sound output or not. If yes you can assure your TVs sound filtering system is ok, and the fault is somewhere between speaker and audio output Ic. Ok.

Oct 19, 2010 | RCA F20640BC 20" TV

1 Answer

My Aiwa Colour TV, model No. TV-A2019, has developed audio problems. 1. The audio output from the speaker is high even when volume is set at level one. Audio output is constant for volume level 1 to...

You just come aroung the sound decoder section of your tv. Decoder problems may cause the fult you pointed out. Since all the controls are electronically controlled, and all are through sound decoder, which converts sound to stereo the problem must be there. Since sound comes from two channels are ok, there is no problem around sound output. Check for some soldering loose contact, wire socket loose cotanct also.

Oct 14, 2010 | Aiwa F2000 20" TV

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Tv works but no sound

Hello Jjwpod hi, to find where the trouble is, you need to place ear near speakers, you should hear a humming sound, adjust the volume up or down, the humming sound also goes up or down, this means your amplifier is working, no hum means trouble in amplifier.
No hum: trouble in amplifier, speaker connection.
Humming, but no audio: problem before amplification, most likely the Sound IF stage.

Sep 16, 2010 | RCA F27615 27" TV

1 Answer

Aux speakers

Hi Greg,
It's not recommended to hook the speaker up to the TV as the Tv requires a certain impediance of speaker output so that the audio chip isn't damaged. I have seen, in my many years of experiance, people hook up speakers to the output of TVs and kill the sound totally. Of course, it's always your chioce, b but I don't recomment you use external Computer Speakers. Good Luck
NC Electronic
Mills, Wyoming

Jan 07, 2008 | Sanyo DS24424 24" TV

1 Answer

TV sound problem

Hi Mah, It sounds to me that the tuner in the TV has drifted off tune. Your problem may be solved if you can bring up on the screen the channel bar which goes from 22 to 69, then `scan for channels'. saving the good ones and passing over the poor ones. Also selecting the program number before you save each channel. I do not think anything is wrong with the sound circuit.

Oct 22, 2006 | Goodmans 289NS 14" TV

1 Answer

Audio noise on cold start

hi pick up the volume just a bit and so for the speakers and see if it continues to happen if soo try by putting all settings as normal( not your normal the tv's normal...speakers and volume without the reciver) if soothen the problem is in the tv's AMP which was mute all those years hope it works good luck

Mar 19, 2006 | JVC AV-32750 32" TV

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