Question about Durabrand DWT1905 TV

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Hitachi lcd tv picture but no sound

Never had a problem with this b4 but switched on tv get a picture but no sound, headphones work but not the main speakers pls help:)

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Re: hitachi lcd tv picture but no sound

Is the mute button on?
Depending on your technicla skill, you could open it up and check that the leads are connnected to the internal speakers. They may have come adrift.

Posted on Nov 17, 2007

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Hi i need urgent help for some reason when i plug my headphones in my Bush lcd, the headphones work fine but the sound still comes out of the tv

sounds like the wrong plug end just because it works doesn't mean its right plug end. as usually the bulb on the tip of the plug closes a switch to turn tv speakers off this obviously isnt happening

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Tv no sound and vol no working on remote hitachi

Mrs. Tremelling: One quick and simple thing you can check: If your TV has a headphone/earphone jack, plug the phones in and out a few times. When you plug in the phones, a small switch "opens" (turns off) the connection to the speakers. Sometimes it gets a little grimy (particularly in old TV's) and sticks in the open position.

Good luck, from a retired TV tech...

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1 Answer

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

1 Answer

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.

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Symphonic volume on my tv stopped working i have

can sound be heard from headphone socket when a headphone plug is inserted if so headphone socket is faulty or the lound speaker,

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2 Answers

Samsung LE37R888D LCD TV. No sound from the main speakers or Line out.

    This problem arises due to cross pin connection of the headphone socket.Mostly frequent use of the headphones result this situation (no sound via external speakers). Call any service man he will provide you the services at nominal charges. And if you can do it by yourself then approach to the headphone section and just adjust the headphone pin, This will solve the problem.
Thanks for using fixya.

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1 Answer

Hitachi tv

Your question is very vague. The reason is that there are many components in a TV set that can cause no sound or picture.

The main thing that is in common is the main power supply. In your set, a failure of the horizontal scan amplifier will also cause no picture or sound, because its secondary side supplies power for most of the TV's operation.

Jerry G.

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1 Answer

Hitachi screen goes snowy and sound is totally distorted

Sounds like bad solder connect in tv tuner....can usually be
repaired or replaced.......................T.

Nov 30, 2007 | Hitachi 43FDX01B TV

1 Answer

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Either the main smoothing capacitor or the voltage regulator are faulty. You may find that the power LED will stay on after pulsating for several minutes, at which time you can switch the TV on.

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