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Re: Sharp LC 37 D6U
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
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If your Wharfedale sub is powered, it gets its input from a subwoofer output on the rear of the Sony. At a certain level, your sub is turned on and sounds just fine until the level decreases during quiet passages of music then it turns off. I believe the theory is that this approach prevents start-up "pops" but in practice it is a poor solution. I have had several subs that have acted this way. I don't know of a way to fix this short of eliminating the level-controlled turn-on circuit
Yes this is a common problem. You have to have it refered to a TV SHOP. I can fix it for you but in CA. the wiring on the speakers needs to be upgraded to a thicker wire. The gauge is to small for the current needed to flow evenly.
erm.... this is a strange one, the popping very loud sounds is the amplifiers turning on and lookinf for the input, so its possible the input method has been altered from original settings i would try fixing this first, im sorry i cant be any more help or any help at all to be honest lol, worst case scenario put your daughter in front of it and let her play away again. good luck : )
The way to turn off the tv speakers is to press the menu button scroll to the option category navigate to output select and choose variable. However just turning off the tv speakers will not cause the surround sound system to work with this television. Connecting the red and white composite audio cables to the television's OUTPUT will get you stereo sound. Some people opt to keep the tv's speakers turned on when doing this. In order to get the digital optical out to work between the television and the surround sound system you will have to be using input tv. You will have to be using the television's tuner with digital cable no cable box or with an over the air antenna. Did you make sure you connected the red and white cable to the surround sound aux or any composite input and choose the right function on it?
Could be your head unit or the connection to the speaker may be bad. Also if the wire to the speakers in your ceiling is bare and touching any ground it would interfere. Start by checking connections by playing something and messing with wires. Listen for a difference. Next check by putting the wires that power those speakers in a known working output and listen for different quality
I have the same reciever, and had the same problem. Contact Onkyo, this is a known issue where defective DSP chips were used and manifest problems with a popping / clicking sound when using surround settings. These receivers also have a Dolby Digital input issue that can cause audio dropouts when watching cable or SAT broadcasts that encode DD using a 'newer' broadcast encoding methods. Onkyo is covering the cost of that repair for me now, even though the receiver is 5 years old now....
That popping noise means the silicon grease underneath the audio ic has melted and is shorting the audio. This is unfortunately a design flaw by sharp. To fix the problem, you'd have to disassemble the entire TV and clean off the melted residue off of the AV Board and replace it with a new Sharp Heat Insulation Pad. Its a pretty difficult job, I suggest calling your local Sharp authorized service center to fix that for you.
If you are using a set top box this might be caused by turnig the box on at the same tie as you turn the tv on or slightly after you turn the tv on. If you are using compnent or HDMI inputs the set needs to see the signal as it is turned on to know what formt the signal is in.