UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - ITT-KB Weekend Automatic

orbanp1 · 11th Mar 2019, 12:52 pm

Hi BugBear,

Chances are the final audio amp in the radio is off.
RM has the schematics:
https://www.radiomuseum.org/r/itt_we...automatic.html

Do check if the common emitter point of the final transistors (CS1909, CS1910) are indeed at half the supply voltage (DC), and continue from there.

Regards, Peter

11th Mar 2019, 12:52 pm	#2
orbanp1 Heptode Join Date: Nov 2009 Location: London, Ontario, Canada Posts: 675	Re: ITT-KB Weekend Automatic - distortion? Hi BugBear, Chances are the final audio amp in the radio is off. RM has the schematics: https://www.radiomuseum.org/r/itt_we...automatic.html Do check if the common emitter point of the final transistors (CS1909, CS1910) are indeed at half the supply voltage (DC), and continue from there. Regards, Peter