Maintenance And Repair - Raytheon 138-118 Manual

7 Maintenace and Repair
The Distribution Unit is maintenace free.
A repair only can be performed by exchanging the PCB's.
Fault Finding procedures are acually not available.
Faults within the connected compass are not indicated. The have to be researched at
the display of the respective compass.
Edition: Feb. 14, 2004
Distribution Unit
138- -118
Operation during a repair can only be performed when the
CAN--bus is terminated.
It is absolute necessary that the CAN--bus is terminated
correctly on both ends.
If there is no terminator by jumpers within the respective
devices, than each CAN--bus (CAN1 and CAN2) has to be
terminated by, in total 4 resitors (each 120Ohm) from
CAN--low to CAN--high
29
DISTRIBUTION
UNIT
3647.DOC010302