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ronbryan · 21st Apr 2017, 7:19 pm

Failure of one of the discriminator diodes could cause an incorrect offset to the AFC voltage, but there would also be considerable distortion on the FM audio. Does the audio sound normal on FM?

Ron

21st Apr 2017, 7:19 pm	#4
ronbryan Octode Join Date: Jan 2003 Location: Guildford, Surrey, UK. Posts: 1,959	Re: Roberts R505 VHF tuning range off Failure of one of the discriminator diodes could cause an incorrect offset to the AFC voltage, but there would also be considerable distortion on the FM audio. Does the audio sound normal on FM? Ron