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These are amplified speakers, They must have a power supply. The speakers must be plugged in to the power supply and turned on. When the speakers are plugged in and turned on and the volume is turned up, you can touch the end of the plug that goes into the computer with your finger and you will hear a hum or buzz if the speakers are working, If your skin is very dry you may have to press your finger tightly against the metal tip.
Turn off the other channel and listen only to the bad channel playing some music. Turn it up! If you hear any music the pre-amp is working and the power amp is faulty. If you don't, then the pre-amp is faulty. Because it's a stereo amp you have the good channel to compare with the bad. So you can do voltage tests, or "buzz" tests. Buzz Tests or where you apply a insulated tool to the circuits, a buzz will be heard. If it buzzers in the good channel it should in the bad. Ignore the power supply and don't short any parts out!
Hi, When the microwave won't heat, but you hear a loud buzz, you usually have a defective power diode, high-voltage capacitor, or magnetron. Also usually, when your microwave oven doesn't work it all, the internal fuse (thermal fuse) is blown. This fuse protects both you and the oven. Please let me know if the provided information has been helpful. Please rate me if the information provided was able to help you.
Sounds like ur computer. When a computer goes out they seem to go in different ways. Also there should be main circuit relays either under the hood or on driver side dash. If you pop a main relay it will kill all main circuits to protect a circuit melt down. Hope this helps. Thanks Josh
It sounds like your Frigidaire may have one or more problems. If your push to start switch is defective then it will have to be replaced. You can test the switch itself by FIRST disconnecting power. Then taking the switch out and setting a voltmeter to test for continuity, then pushing the start button to see if there is on and off contact being made. Part number for the start switch is 131469000. If this is okay and you are hearing a buzz or low grumble noise coming from the motor area. this could indicate a bad motor winding and would probably have to be replaced. part number for the motor is 131560100. Sometimes however the motor can become seized or dirty connections to the motor can occur due to debris or dust bunnies. so make sure the dryer is CLEAN. If you give the drum a turn yourself manually, while trying to start the dryer this can sometimes give the motor the kick it needs. however this is only a quick fix, and not permanent. You have a well built simple dryer, and there isn't a whole lot that can go wrong with it. Hope this helps
the protector comes on to keep the amp from further damaging itself or the speakers. The buzz you heard was probably 60HZ line buzz from the main DC supply conducting full current through one of your speakers through a damaged amplifier transistor. Your stereo will need professional repair. The protect circuit basically opens the speaker relay (and sometimes shuts down the unit) to prevent this DC voltage and current from getting to your speakers until the problem is corrected.
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