bigash Posted May 8, 2013 Share Posted May 8, 2013 we have recently purchased a Wharfedale SVP 12PM powered Monitor off ebay, worked fine the first couple of times. But has now developed a fault. All works fine for about 50 mins then a buzzing stars, turning the volume control down doesn't change the level of the buzzing, only turning the monitor off stops the buzzing. On powereing up again the same thing happens again, 50 mins the buzzing starts again. Anybody any ideas what could be the problem, because i'm stumped. Cheers Ash. Quote Link to comment Share on other sites More sharing options...
Phil Starr Posted May 8, 2013 Share Posted May 8, 2013 Is the buzzing coming out of the speaker or something inside the monitor? Quote Link to comment Share on other sites More sharing options...
bigash Posted May 9, 2013 Author Share Posted May 9, 2013 From the speaker, starts quiet and gets louder, over a period of about 30 secs. Quote Link to comment Share on other sites More sharing options...
Phil Starr Posted May 9, 2013 Share Posted May 9, 2013 Sounds like a power supply problem in the amp.Faults elsewhere are usually affected by the volume control. Unless you know about power supply design leave it alone and take it to a tech, there could be dangerous voltages in there that hang around after the amp is unplugged. Could be a power supply cap on the way out. Quote Link to comment Share on other sites More sharing options...
bigash Posted May 9, 2013 Author Share Posted May 9, 2013 O.K. Will get someone to take a look at it. Thanks for your help. Quote Link to comment Share on other sites More sharing options...
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