Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

2 Answers

No sound I have video but no audio. From the menu screen, I have changed the output select on my Sharp Aquos LC-37D6U model TV to "fixed," following the manual, but I still cannot hear any sound. Would you please let me know what else I can do to fix this problem?

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  • shehawk Nov 12, 2007

    Have video but no audio. Unplugged the cable and then plugged it back in again. Now the audio is not working.

  • andrewjm Dec 07, 2007

    Also have an LC26D6U where the sound suddenly turned off. For a while it would come back intermittently, now, there's never any sound.

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When you turn the tv on, do you hear a faint “pop” noise from the speaker? If so, the problem is with the heat sink under the audio IC. Over time, the heat sink will lose its consistency and start to melt, thus shorting out the audio circuit. To fix, you’d need to clean off the melted residue on both sides of the audio IC as well as replacing the heat sink with a newly redesigned Sharp Heat Insulation Pad. It’s a pretty complicated fix, I suggest calling your local authorized sharp service center to fix this problem. The part is inexpensive, so you’re most likely looking at a labor charge (maybe around $200ish) for the repair if they are not marking up the price too much.

Posted on Mar 14, 2008

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  • 19 Answers

There many lesson for u are problem, try to change the cable in audio in,if doesnt work try to see expers near you.

Posted on Oct 30, 2007

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Related Questions:

1 Answer

I have a sharp aquos tv, model LC-42D62U, and had a sound bar attached that worked great. When I remove the soundbar I can’t get the TV sound to turn on. I have trouble shot a lot of things. The problem...


I do not have sharp manuals to reference - in general the TV sound - Variable vs Fixed just allows the set to control the volume output (variable) or Fixed will produce one level of output and your device (soundbar) volume control would adjust up or down from there. There is usually another location in the menu that allows you to turn off the TV speakers so they do not operate at the same time as your soundbar or other device. It should be simply Speaker ON / OFF. If you can locate this - you should be able to select it. If it is all greyed out - that means the TV believes based on the connections / setting / input selection - those cannot be changed. (you may try connecting the device and see if the greyed out menu items turn back white or are selectable. Sorry I don't have a specific answer - hope this helps

Dec 21, 2017 | Sharp Televison & Video

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My sharp aquos tv LC-60LE632U has picture but no sound, What can be done?


Check the audio 'output select' under the Systems Settings menus. The output may be set to 'variable'. Set it to 'fixed' so that the audio runs through the speakers.

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1 Answer

Can fix the audio problem myself or is there a place that willing to buy my Sharp LC-37D6U TV with no audio? I would prefer to make some off it than recycling it away.


Actually there is a service bulletin on this television. Sharp will repair the no sound problem for no charge. Call 800-237-4277. Please remember to provide feedback here if this helps you.

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Check to make sure you have the speakers tuned on in the setup menu, and you are not in sap.

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2 Answers

Aquos LC-32D43U, no audio


My suggestion would be to bypass all of your video components whatever you have be it a vcr, dvd player,whatever and just hookup the tv direct to whomever you receive your cable tv from. Because it was working before you moved it and disconnected the external audio source. Remember if your using HDMI cables they are your audio and video together and you don't need to hookup anything else from that device to the tv. Just FYI. Good luck.

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1 Answer

Sharp LC-37D6U Aquos audio problem


Your Aquos does not have a separate Audio board, audio circuits are mainly on main pcb. If the guy was able to fix the problem by hooking a surround to the audio out, that means that is a problem with speakers contacts or with one of the outputs.
Borrow a surround or use an amplified speakers set and check if you can fix it with this trick.
To do a real fix, a technician must open the tv, and test all audio connection, and onboard connection to audio outputs to see what is wrong.
If TV is going to work with a surround you will probably get a far better audio quality than the one you get now from TV speakers.

Aug 20, 2008 | Televison & Video

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