![]() ![]() Instead I covered the surrounding area with paper towelling and sprayed where the rotating spindle enters the volume control. I chose potential fix number 2 and purchased a can of Deoxit D5 from Jaycar Electronics for $29.95Īfter removing the top cover and the front control panel of the amp I discovered the volume control contact area was a sealed, so no way of spraying directly onto the contact area of the control. This fix was in relation to some other makes of amplifier. Access the volume control and spray some Deoxit D5 contact cleaner onto the contact area of the volume control. Only to have the same issue reappear a few years later.Ģ. Replace all the relay switches that control the volume. One person had replaced all the relays with upgraded ones. (They left music on and went out for an hour or so)Īfter researching, the potential fixes where:ġ. I read on another forum where someone had blown a pair of B&W speakers due to this problem. The volume going up without input is potentially speaker damaging. Sometimes when listening to music it would get noticeably louder. ![]() I could hear the relays clicking when the amp was on with no music playing. Recently the volume started increasing without input from me on the volume control. Volume does behave normally when using the remote. Volume increasing when turning it down, especially when turning it down quickly. In the past year when using the volume control on the amp the volume has behaved in a random/erratic manner. I've had the pleasure of using my Cambridge Audio 840A for about 4 years now. ![]()
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