Thanks Josh. Sorry, but I don't know what "Vee power supply" means.
Lost in the terminology I'm afraid. Tom M. On Tue, Apr 9, 2019 at 8:46 AM Josh Malone <[email protected]> wrote: > Might indicate issues with your Vee power supply. This should be -5v. > I don't see any connection between Vee and the RS-232 circuits in the > service manual though. > > On Tue, Apr 9, 2019 at 8:33 AM Thomas Morehouse <[email protected]> > wrote: > > > > Now that I've got my usb/serial link working (M102 to Dell laptop), I > notice the 102's screen get quite dim when the cable is in the 102's 25 pin > serial port. > > > > Doesn't need to be connected to the Dell. Just when you plug the > usb/serial cable into the 102. Unplug the cable, 102 screen returns to > normal visibility. > > > > Something to worry about? or just live with it? I wouldn't have > thought the usb/serial cable chip would put such a drain on the system. > Happens with battery power, or even with external 6 volt poweer. > > > > Thanks. > > Tom M. > > >
