Question about Apple iPhone 3G

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Sound on video

When online video sound only heard through headphones how can i make it come through the speaker built into the phone? No sound without headphones. Please help

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The button on the side of your phone for changing volume is a multi choice button if you are in phone mode it turns ringer up/down in ipod mode it is music volume up/down etc.. other thing to check for is weather the mute button at the top on the side above the volume button has not been turned to mute

Posted on Oct 20, 2008

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Posted on Jan 02, 2017

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No sound


Hello
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.

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1 Answer

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You may have a laptop with a built in mic or headphones with built in mic and webcam with built in mic
You need to set your webcam mic as default
Vista
TEST SPEAKERS
Right click on speaker icon in System Tray or from Control Panel
Select "Playback Devices"
The speaker icon ( checked as working) and volume level graph should be visible
Right click on the volume graph and click "Test"
Left hand speakers followed by right hand should be heard

SET DEFAULT & TEST MIC
Click "Recording" tab.
To set required (webcam) mic as default - click on mic font to highlight and click "Properties"
In lower dropbox display "Use this device enable" click 'OK'
Click "Levels" tab and ramp up sliders ( adjust to suit later)
Return to "Recording". Test mic by speaking and make sure volume graph displays

Restart computer

Configure to your chat program

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1 Answer

Laptop speakers problem


There are 2 volume control buttons on the laptop. 1 turns it up 1 turns it down. Try turning the volume up. It may be up high enough for you to hear with headphones but now loud enough to be heard through the speakers.

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No car radio / stereo for use with Garmin nuvi 750 GPS


Every Garmin Nuvi unit I've seen has a (loud) built-in speaker. The only demand our 250s and 265 make of the vehicle is a 12V power supply (and they'll even work without that for a while, until the battery goes flat).

A.

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I cant take or make calls on my iphone without the headphones in.


Yea it sounds like the headphone have a sync problem. what you can do i go the Apple store and they should help you out they will swap your headphones and then it should work.
Thank you, Apple Care Technical Support

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i guess u have 2 replace your speakers visit a nokia gallery

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Hello First of all you need a sound card on your computer with a Spk. (Speaker) or Phones (headphones) Out Jack it might be a symbol of a small speaker or headphones. You have to be sure you are getting a actual sound output signal from this sound card too. If the sound card is not working your moniter speakers would not have a signal to drive it. You also need a 1/8" Stereo 2 male stereo plugs on both ends, one end plugs in back of moniter other plugs in back of computer like I mentiond above. Make sure your Mute button is not selected on your computers volume button usally at bottom right of screen. Make sure the volume buttons are up to aprox 3/4 up also. Then for last on the moniter look in the menu i think you might have to keep pressing the menu button but i kind of forget now but its a Spk setting and volume setting in this speaker setup within the moniter as well make sure this is turned on and set at a higher volume level as well. Thats about all I can say without taking the moniter apart and checking the jack and wires and speakers. I would suggest you take it to a electronics or a tv repair or computer repair person to go any further then this. Hope you take time to read all of this I tried to put every step in here to help anyone out with this problem. Thanks for reading. Ken T

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