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Old 22nd Jul 2021, 1:51 pm   #10
Techman
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Join Date: Nov 2009
Location: Lincolnshire, UK.
Posts: 3,970
Default Re: Murphy A855g Record Player - Intermittent power issue.

These are notorious for bad connections in the bulb holder causing the lamp to be sometimes on and other times not - just the same as in the earlier valve version of this player.

I would be worried if the hum level was loud enough to be heard over the music when playing - it could be an indication of failing smoothing, the rectifier 'half-waving', or the amplifier output stage drawing too much current from the power supply. All of these faults have the potential to damage the transformer, so if the hum is 'excessively' loud, or the fault condition happens again, then switch off and don't use the player again until you've asked for advice on here - otherwise carry on using the player, but keep a careful eye on things and don't leave it unattended when powered on.
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