UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Roberts R200- Distorted Output

ukcol · 21st Aug 2013, 8:10 am

Hi Josh

Yes X3, sorry.

With the current set to as high as you can get with R21, measure the voltage across X3 and then measure the voltage between the anode of X3 and the slider of R21. If these voltages are not about the same it could indicate a poorly bias pot R21.

Colin M

21st Aug 2013, 8:10 am	#7
ukcol Rest in Peace Join Date: May 2003 Location: Harlaxton, Lincolnshire, UK. Posts: 3,944	Re: Roberts R200- Distorted Output Hi Josh Yes X3, sorry. With the current set to as high as you can get with R21, measure the voltage across X3 and then measure the voltage between the anode of X3 and the slider of R21. If these voltages are not about the same it could indicate a poorly bias pot R21. Colin M