Questions & Answers for: mains hum

RCA TV I have a 32 inch RCA television. It turns on and will make the humming to start up and then right before it shows picture it cuts off. It will then turn back on and do the same thing over and ...

Mains hum on Ferguson R121 DAB radio I have mains hum on Ferguson R121 DAB radio, especially noticeable at low volume. Can it be fixed? Thanks. George. wrap aluminum foil around the power cord

...the unit plugged in but not turned on - clock is displayed. The big electrolytic capacitor(s) in the power supply. The filter out the 50/60HZ hum in the mains, so you could be hearing the mains

My microwave kenmore 66222500 makes a humming sound like if it was on when the door is closed. i have to unplugged it or leave door open to stop the humming sound. I tested the magnetron, the primary ...

mateen khan bonli teh. dist of sawai madhopur ref. no. 1040410mateen khan bonli teh. dist of sawai madhopur state of rajasthan mo. 9636089945, 9351937361, my problem :- sir hum ne galaxy bank of hr ...

even humming sound made when washer starts continous Most likely a motor or solenoid has a loose coil or its magnetic field is vibrating a nearby piece of steel. If it hums all of the time except when

hum is not there with the system simply turned on but only when any audio is applied. I have connected the speakers with both an optical and coax cable and tried them on three PC's but the results

...the monitors off, much worse with them on It sounds to me like you could have mains hum breaking into your system because the large Electrolytic Capacitors in the power supply of your amp have

mains hum which can be difficult to eliminate. There are two sorts of mains hum; conducted and radiated. Mains operated audio equipment suffers from this when the power supply smoothing is ineffective

...mains hum") try moving or tidying your cables to keep power cables away from audio leads.... if that doesn't help, upgrade your audio cables for a fully shielded type, keeping them as short as they ...