After a while the system starts crackling and eventually sound deteriorates to thundering in speakers
I have had the system for about 2 years. Just recently it has started crackling across all the TV and video channels sometimes as soon as it is swithed on but sometimes the problem comes on after a number of hours.
It has been intermitant for about 4 months but has now got progressively worse. It now happens every time.
It starts by a bit of faint popping across all the speakers then gets worse by crackling in time with the broadcasted sound until over a minute or two it becomes so distorted that the speakers seem to just thunder. Sometimes switching the function channels is enough to clear it but this can some times lead to total loss of all sound. Otherwise I just switch it off for a while.
I have unplugged and replugged all the connections, moved the system away from the other TV devices and changed the scart connections from my other TV. Any ideas?
Re: After a while the system starts crackling and...
I have exactly the same prob and I belive that it is in the amp module?! I am going to take mine in for repair as my other sony HT amp has just give up the ghost, (STR-DE435), it has a protector prob and is probably not worth repairing, although it is a great amp.
If anyone knows the solution to this prob it would be great to hear it!!!
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The problem is actually from the speakers themselves. If it's not a year old you might want to bring it back to the store where you purchased it for a warranty repair or replacement.
Sadly the problem is inside the speaker and it could be a loose connection inside. If you're comfortable enough you can try to open the speakers and check inside for any loose wires which cause unstability of sound or for any loosed fittings from the magnet.
Hope this helps!
If the sound FLUCTUATES up & down, try turning off the AutoVolume in the sound menu.
You didn't say if it's one or all speakers crackling.
Crackling is either a speaker or circuitry issue. Adjust the balance away from the speaker that crackles, if it stops, that speaker is probably "fried". If it still crackles, I'd turn off the speakers and run the sound thru a stereo for the quick, cheap fix.
My Samsung (10+ years old to be fair) crackles due to a circuit issue but if I SMACK the left side speaker (behind which is the sound board and side panel connectors) it stops for a while. Maddening. I think I broke it squeezing it into the furniture it's in, pressing on the protruding RCA plugs. Dumb design.
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
1)the soundcard (or sound device you have them plugged into) The best way to test this is to plug in another set of speakers or a headset directly to the sound device, and listen. if you don;t hear the crackling, than consider that idea scrapped.
2.)speaker wiring/cables. Check the wiring for cracks/frayed spots. Do you get any crackling during/after you move the wires? if there is ANY change, for the better or the worse, than you have your culprit.
3.)the speakers themselves. when the first two options above are exhausted, there's only the insides of the speakers themselves to blame. you might not have seen any cone deterioration- but other things could happen, such as deteriorating wiring, etc.
for new speakers, they are relatively cheap- Here in Canada at least, I can get a new 2.1 set for anywhere from $25-60. Although, I'd strongly recommend any of the Logitech brand speakers- most models have subwoofers with unbelievable bass (for the price) through them. I myself have the more expensive Z-5500 series from them (5.1), and I've been more than impressed.
it is possible that you have blown the speakers.
even though you have checked the connections, check to make sure that there is no contact with the metal frame area of the door. if a speaker wire / bare connecter has any contact it will cause distortion / no operation.
there is no chance that you can fix this problem by replacing speaker wires. Resoldering the output stages as well as area around the microprocesor could be the efficient solution.
If you need more info please advice.