Question about Kenwood SW-38HT Subwoofer

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Power Light off & speaker not working

Hello,
Is there a fuse located somewhere that may be blown? The power outlet I am plugged into works but speaker does not. Turning power switch on speaker of & on does not help.
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  • Oz212 Dec 03, 2007

    So how do I open the subwoofer box so that I can repair this problem...I have the same problem that my speaker doesn't turn on, no light or sound and I would like to repair it.

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I had the same problem. The screws around the perimeter of the back plate must be unscrewed and the plate must be pried off as it is glued to the box. When replacing my fuse, 2A 5x20 GMA, it blew the fuse again. Disconnecting the second circuit board prevented the next fuse from blowing, but now the question is what is wrong with the circuit board? I cannot see any damage or shorts.

Posted on Feb 22, 2008

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Yes, most likely there is a fuse that has blown, but most of the time a fuse does not blow for no good reason. There is probably a short in the woofer output amp that has blown the fuse. Good Luck

Posted on Oct 11, 2007

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Posted on Jan 02, 2017

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Well... because there can be several things that cause this issue, you want to start with the process of elimitation. Is your car powered on when you try and use the outlet? Most veichels will not allow power to the outlets when powered off.
Observe the outlet and remove any foreign objects from the outlet, there may be a fuse or metal from a broken acessory stuck in the outlet.
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HELLO.

take on these steps to solve the problem.

Check if there is electric power on wall outlet.

If the microwave plug has fuse,check if it has not burnt.if these are okay there is need to take the last step.

things needed
1.Screwdriver
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1. Unplug the microwave from the electrical outlet to prevent electrocution. Place the microwave in a well-lit area to be able to locate the fuse.

2. Use a screwdriver to remove the outer cabinet of the microwave, and follow the power cord to the fuse. The fuse is located 2 to 3 inches within the microwave and is attached to the power board.

3. Observe the fuse to determine if it is blown. Blown glass fuses will produce burn marks on nearby surfaces, or the internal fuse wire will be black and melted, while ceramic fuses show no outward appearance of being blown.

4. Determine if a ceramic fuse is blown by testing it with an ohmmeter. If the ohmmeter reads zero ohms, your fuse is not blown. Other readings on the ohmmeter show that your fuse is blown.
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6. Replace the outer cabinet of the microwave, and plug the microwave back into the electrical outlet. Test the microwave to see if it's working properly.

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Sean
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