UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Linesman's Telephone 704C circuit diagram

G0FZF Carl · 20th Feb 2019, 2:54 pm

Thank you for the PDF containing the diagram for the 704C. I can now check that the phone is working correctly especially the 20mA line current circuit and how it works in conjunction with the CB / LB mode switch.

20th Feb 2019, 2:54 pm	#4
G0FZF Carl Diode Join Date: Feb 2010 Location: Oldham, Greater Manchester, UK. Posts: 5	Re: Linesman's Telephone 704C circuit diagram Thank you for the PDF containing the diagram for the 704C. I can now check that the phone is working correctly especially the 20mA line current circuit and how it works in conjunction with the CB / LB mode switch.