First time subwoofer would not work properly, power light flashing randomly & giving off virtually no sound rang creative & they replacrd it straight away, unfortuatly the replacment they sent me was faulty so i rang them back & after 27 30 minute phone calls to ireland they sent me a new one. That has been fine for the last 8 months until now, it is totally dead no power light ect, i have changed the fuse & the lead & still no good. Unfortunatly the warantee has now run out & i cant find a hi-fi technition to touch it. i dont think you can buy just the sub alone, have you any sugestions for repair?
many thanks mark
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Do not replace a part until you have proved with a signal and circuit test that there is absence of amplification. So I would suggest that you replace the original IC back to the circuit so that we start allover again.
Now you will need a signal tester- an audio frequency( AF) testor so that you can apply the signal and trace. Check the power to the subwoofer output and the main outputs. If present check with signal , check the parameters of the IC to confirm if there is amplification and BIAS to the circuit.
Once confirmed check the feeder resisitors,capacitors, check if any of them is open/short. If not recheck IC and replace once again from original source of spares.
Power LED light indicator are flashing it is the effect of the power supply board are dying and not giving the tv the wright amount of voltages anymore.That the board,where the power a/c cord plug into it.U have all the tools,u understanding basic electronic also can u do basic soldering?Yes,check all over the power supply board for dying parts call capacitors.These dying capacitors are alway bulges up or puffing up on to it tops.By replacing all these dying capacitors are bulges or puffing up on it tops,will solved this flashing LED power light indication,power supply board will work again.Or try website like Ebay.com to buy a whole refurbish power supply board for the replacement.
It looks like you have posted this before. Unfortunately, I don't know what you have tried so I may be repeating some of your earlier troubleshooting.
The subwoofer needs its own power supply to function properly. if it isn't getting enough power, the sub will not work at all.
On the back of the unit, you should see a green LED when the power is turned on. Is this light on all of the time of does it fade / flicker? This would indicate the power supply is going bad and you need to replace it.
I get such a thing from time to time on different systems. What I do:
1. Open the Sound Control Panel (the one on this present PC is named: "SoundMax Control Panel"). 2. Enable or Disable a certain feature (something like "Virtual Theater Surround" or "Virtual Ear" or "Acoustic Environments" or so on). 3. Click Apply and the sound is back in your speakers. 4. If you want, you can undo the enable / disable and the sound still works.
Check the main amp fuse under the hood, even if it looks good just change it. Often times that light on the amp can come on just from the power amp tunon wire. Try a friends subwoofer box just to make sure the connectors on your box are good, and if that doesn't work then give me some more details....year/make/model of car, what kind of sub, what types of things do you see on the side of the amp....is there a green light as well as a red light?