Check for any obvious loose connections, and it wouldn't hurt to ohm out the power leads on the cable. The T2-301 is tested before it's shipped, but the cable isn't since it should be tested at the factory. Could be you got a bad one.
Scott k7ybz wrote: > > > Yup it was powered with my 12V bench supply. That particular supply is > fixed and does not have any metering. The LEDs did not light up which > was the second indication I had a problem. I will measure the current > after I get done playing accountant in about an hour. > > Yea I knew the VHF version was going to be different in some way, which > is why I asked. > > Thanks, > > Larry > K7YBZ > > --- In [email protected] <mailto:tracker2%40yahoogroups.com>, > Scott Miller <sc...@...> wrote: > > > > I can get you the T2-301 schematic. The FC-301/D part is the same as > > the service manual, more or less - they're still working on the VHF > version. > > > > You've got 12 volt power supplied through the cable, right? Do the LEDs > > inside light up? Can you measure the current draw? Should be around > 80 mA. > > > > Scott > > > > k7ybz wrote: > > > > > > > > > Scott, > > > > > > On Friday, for the first time, I tried to power up the T2-301 and > > > configure it. The unit appears be non-operational. The configuration > > > program would not connect through the null-modem cable and into the > > > T2-301 serial + power cable. I checked the wiring up to the T2-301 > DB-9 > > > and all is good. I also used all the power-up sequences which would > > > allow connection to an OT2. > > > > > > Later on tomight I was going to get back to troubleshooting and > measure > > > on board voltages. > > > > > > 1) Do you have a schematic/parts layout diagram for the internal T2 > > > board and how it interfaces with the FC-301D? > > > > > > 2) Is there any difference between the schematics in the FC-301D > manual > > > and the xcvr as used in the T2-301? > > > > > > Thanks, > > > > > > Larry > > > K7YBZ > > > > > > > > > >
