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This previous diagnostic, isn't good, if you test and no continuity between the positive and negative terminals generally means a blown sub.
You won't always get scratching or distortion from a blown sub. Sometimes the voice coil just overheats and burns out like a fuse. In this case there will be no sound at all from the sub, because no power can flow through the voice coil. A continuity test between the positive and negative terminals will show no connection.
I had the same problem although not in storage but it just lost power to the console. It turns out that when I press down on the cable connecting the sub woofer and console, at the back of the sub woofer, I temporarily get power to the console. I did that for long enough to eject my DVD's and then opened the back of the sub woofer to fix it and cracked the board and broke it forever.
hi, steps to trouble shoot for sub-woofer detection : 1. please check whether the cord is securely connected at both the ends. 2. check if there is transmission through the cord (there'll be a small static through the cord if there is transmission.) 3. reset the dvd-player to default audio-output and then choose the 5.1 sound system which is the correct setting for the th-c6. 4. also check the settings in the th-c6 whether it is in 5.1 mode(whether it includes the woofer-as it can also simple use the stereo speakers) 5. now check the sound output in all speakers by playing any original home-theatre system enabled dvd.
the system will work perfectly if the cord is in good condition, otherwise please replace the cord again, and this time check it at the store. cheers
Since this is a power sub woofer, it may have an amplifier problem that would require professional service. Yoiu can start by checking the fuse. Make sure the sub woofer is not plugged into the wall when you check it. Some of these powered sub woofers have the fuse right on the panel where the cord goes into. It may have a round cap and you turn it and pull the fuse out. If the fuse is blackend or you can see that the filiment inside the fuse it broken, you can replace the fuse with the same rating of fuse. The rating is on the metal tab at one end of the fuse or may also be listed right next to the cap for the fuse holder. If the fuse is not accesable from the panel, you need to remove panel and look for it where the power cord comes into the panel. It will be right in line with the power cord. The panel for most sub woofers are normally held on by screws all the way around the panel. You should only need to take the outside screws (around the edge of panel) off of the panel. The inside screws hold on the circuit boards, connectorsm and transformer.
If you had given more information about the problem with your sub woofer I could have given you a better answer, but with the limited information given all I can suggest right now is to check the fuse. That is always a good starting point. If you give me more information I may be able to help you much more, I have repaired many powered sub woofers but not this model. Most are very similar and can be checked with minimal effort. You would need to have a multimeter to check almost everything else with the sub woofer. Let me know if you have a multimeter and are willing to check it further. Anything less than a "FixYa!" rating is really not a good rating, so please do not rate this solution until we have had a chance to communicate more about the problem. That way I will not be given a bad rating when I have not had a chance to actually help you yet since I can not tell you how to fix your problem without more information.
Did you try making sure the subwoofer is turned on under the set up menu on the Sony Receiver?
Press Set Up, Press the left or right button above the scroll wheel until you get to SW. It should say SW: ON or SW: OFF. If it says SW: OFF, use the Scroll wheel to scroll right until it says SW: ON. Also, make sure you aren't in 2CH mode, try A.F.D or surround sound.