Dave's help was just what I needed, my thanks to others who responded. As it happened I had disassembled the unit to take pictures of both the bottom and top of the circuit board to help me try to regenerate a schematic, so I was ready to send a picture immediately upon reading Dave's reply.
73, Al N1AW Amherst, MA --- In digitalradio@yahoogroups.com, "Dave wej" <ve3...@...> wrote: > > I have several types here, can you email a picture of the inside for me > > Dave Garber > VE3WEJ/VE3IE ve3...@... > > > ----- Original Message ----- > From: Al Woodhull > To: digitalradio@yahoogroups.com > Sent: Tuesday, April 21, 2009 11:30 PM > Subject: [digitalradio] Old MFJ 1272B TNC/Mic switch circuit or manual? > > I have an old MFJ 1272B that I bought at a flea market. There have > evidently been major changes in the design of units sold under this > model number over the years. The manual that is currently available > on the MFJ website is not useful for my older one. ...
