UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Roberts R600

Paul_RK · 13th Mar 2018, 12:57 pm

I've not met anything quite this drastic, but was reminded of an RP33 Autocrat where an electrolytic in the same circuit position - C11 on the amplifier board - was doing its share of mischief. I was given the set by a friend who had already given it away twice, only to have it returned to him on each occasion by the recipients, who each reported that, while it was a fine radio with good tone etc., they couldn't afford to keep it in batteries. It was indeed in full working order, but checking quiescent current consumption showed it to be, if memory serves, somewhere around 250-300 mA: without affecting operation at all, that electrolytic would have reduced the life of a pair of PP9s to a very few hours.

Paul

13th Mar 2018, 12:57 pm	#3
Paul_RK Dekatron Join Date: Nov 2003 Location: Fakenham, Norfolk, UK. Posts: 4,259	Re: Roberts R600 - Very High Current Draw! I've not met anything quite this drastic, but was reminded of an RP33 Autocrat where an electrolytic in the same circuit position - C11 on the amplifier board - was doing its share of mischief. I was given the set by a friend who had already given it away twice, only to have it returned to him on each occasion by the recipients, who each reported that, while it was a fine radio with good tone etc., they couldn't afford to keep it in batteries. It was indeed in full working order, but checking quiescent current consumption showed it to be, if memory serves, somewhere around 250-300 mA: without affecting operation at all, that electrolytic would have reduced the life of a pair of PP9s to a very few hours. Paul