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ms660 · 17th Feb 2019, 6:14 pm

R23 sets the bias for T5 and T4, it shows where to measure the voltage on the schematic, 1.3 volts across R28 with a B+ (supply) voltage of 7.5 volts.

Lawrence.

17th Feb 2019, 6:14 pm	#13
ms660 Dekatron Join Date: Apr 2011 Location: Cornwall, UK. Posts: 13,454	Re: Grundig Yacht Boy 210 R23 sets the bias for T5 and T4, it shows where to measure the voltage on the schematic, 1.3 volts across R28 with a B+ (supply) voltage of 7.5 volts. Lawrence.