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Station X · 16th Jan 2012, 4:11 pm

The reading on ouput transformer tags and at the end of the leads looks reasonable. Plug it into the socket and follow the wires from the socket pins. One should go to pin 2 of the UL41 and other to one of the smoothing capacitors (the ones in the big can), possibly via a 10K resistor. Check that you also see 0.78K, or maybe 10.78K between these points.

I'll leave PJL to respond to your other readings.

16th Jan 2012, 4:11 pm	#73
Station X Moderator Join Date: Jan 2003 Location: Ipswich, Suffolk, IP4, UK. Posts: 21,286	Re: Bush AC34, no sound. The reading on ouput transformer tags and at the end of the leads looks reasonable. Plug it into the socket and follow the wires from the socket pins. One should go to pin 2 of the UL41 and other to one of the smoothing capacitors (the ones in the big can), possibly via a 10K resistor. Check that you also see 0.78K, or maybe 10.78K between these points. I'll leave PJL to respond to your other readings. __________________ Graham. Forum Moderator Reach for your meter before you reach for your soldering iron.