UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Marconi NS702 / 2207E, SN 623 (Atalanta type) receiver

ms660 · 14th Oct 2019, 3:17 pm

Have you checked the anode voltage on V1, have you tried a sig gen for inputs or as a substitute osc, various things you can check, first is always the work you've already done.

Also the anode of the 2nd mixer is switched via the band change switch, is that voltage ok?

Lawrence.

14th Oct 2019, 3:17 pm	#47
ms660 Dekatron Join Date: Apr 2011 Location: Cornwall, UK. Posts: 13,454	Re: Marconi NS702 / 2207E, SN 623 (Atalanta type) receiver Have you checked the anode voltage on V1, have you tried a sig gen for inputs or as a substitute osc, various things you can check, first is always the work you've already done. Also the anode of the 2nd mixer is switched via the band change switch, is that voltage ok? Lawrence. Last edited by ms660; 14th Oct 2019 at 3:35 pm. Reason: additional circuit info