Every couple of minutes my subwoofer makes a very short and loud thump. which is really pissing me off!! I had a feeling it might have been interference so i moved the cables etc but it's still happening. any clues as to what it might be? Cheers, Azz
Found it.....
Replaced the 1.5Amp 12v Reg with a 3Amp 12v and heatsink...also replace all the electrolitics in the same area. Reasoning being gone leaky due to hot heasink.
Remember to Silicon the heatsink down afterwards as it rattles if you dont!!!!
Replaced the 1.5 Amp 12v Reg with a 3Amp 12v and heatsink...
>>> These are DC Regulators on the main PCB found in the big Sub Woofer Box. All you are doing is uping the spec to a better device...
also replace all the electrolitics in the same area. Reasoning being gone leaky due to hot heasink.
>>> Electolitic capacitors go dry (leaky) if exposed to heat for a long time...Just replace them, again with better spec (105c working temps are good)
Remember to Silicon the heatsink down afterwards as it rattles if you dont!!!!
>>> Do I have to explain why a heatsink rattles???
Hope this helps..
If you want a pop-up magic story solution you asking the wrong person!
I tried...
Loosers
Why do you ask for help...then dont like the answer?
Loosers
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Hello
i fixed that problem
replace the 2 condansators which are near dc regulator. (ıt causes to dry capasitors.)
thair capasities 10 microf 50 v 105 c degreen.
If can't stop zzzzz voice, you can also change 12v regulator. You can see it at the picture.
First cirle is capasitors, 2.th circle is dc regulator.
The name of the dc regulator is l7812cv
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Yes...Same here and it growls all the time....
the subwoofer started making a loud buzzing sound that just doesn't quit! it cuts on and off,then continues buzzing.....
Yes I had the same problem a few months back. Eventually the sub packed up all together together with the centre speaker. I've still got them if anyone's got a magic solution.
Cheers.
if only i new what the F**k you wer talkin about!!!
does anyone have a solution that the average person would understand?
If only i new what the f**k you are talkin about!
Thanks anyway!!!
does anyone have an answer that the average person can understand?
same problem here the sub now no longer works but all the other speakers done help me
I'm having tha same problem and this is not the only one that i'm having with this worthless speaker set, i send this set to service 5 times "5" can you imagine it! most of the time problem was a buzzing speaker. I hate this speakers... Now subwoofer is buzzing and i don't have that much electronical knowladge to fix it.... If you are planning to but this speakers.... just DON'T
i hav this an yes ino what it is it is about to break lol happened to mine
i have the same problem & i just bought the system about two months ago with a macbook from Fry's electronics in houston,tx. the subwoofer also sounds like i playin a raincloud soundtrack. the philips website could not find the product upon search. i think us should initiate a global Philips boycott till they disapear and there crappy products will go away-thats my solution
My subwoofer
Similar problem. (Speakers stopped functioning.) Opened up the sub housing and unmounted the PCB. The L7812CV 12V /18W regulator was toast. Unmounted it and hard wired my bench regulator (Noisy but all I had) to the output port. Surround speakers work great but the sub is only paying amplified noise. Does anyone have a schematic for this layout? I think the one of the other ICs may be damaged too.
i always hearing thunder form subwoofer.
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