Lee, Does your manual include a flowchart for Power control servicing?
Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531 ve7fet wrote: > Hi Scott, > > Finally got to dig out my MSF manuals for a look. > > Looking on the schematic, I see JU1 and JU2 being related to the HSR (High > Speed Ring) data bus. If this is the JU1 you moved, then it would change the > communication path between the SSCB and the TTRC and/or the SECURE board(s). > > That likely explains the crash on boot when it can't find the modules its > looking for since it can no longer talk to them. > > > Here is what my manual (68P81082E20-A) says about Power Control Servicing: > > When servicing the station, it may be necessary to override the power control > circuits to key the station. While this service mode is enabled, SSCB > requests to key the transmitter will disregard and power control failure > indications. > > To enable this mode, depress and hold the SELECT/SET switch in the SET > position (display cursor should not be active at this time). While holding > the SET switch, press and hold the PL DIS/XMIT switch in the XMIT position. > > When tSt appears in the Status display, release the SET switch first, and > then the XMIT switch (station will key after the SET switch is released and > until XMIT is released). > > While this mode is active, the DISABLE LED will flash. Toggle the RESET > switch to take the station out of the Power Control Service Mode. The DISABLE > LED should stop flashing. > > > Cheers! > > Lee > > --- In [email protected], Scott Zimmerman <n3...@...> wrote: >> This station was working as a station before it went dead. In other >> words, "no, it's not hacked up." >> >> Can anyone tell me for sure where the service jumper - JU1 is. I found >> 'a' JU1 on the SSCB board, but it seems relatively hidden for a service >> jumper. Also, when I move it's position I get an error on the LED >> display, then the station resets. >> >> Scott >> >> Scott Zimmerman >> Amateur Radio Call N3XCC >> 474 Barnett Road >> Boswell, PA 15531 >> >> > > > > ------------------------------------ > > > > Yahoo! Groups Links > > > >
