JRC JMA-5212-4, Service Manual

Page: 138 / 172

6-22
GPS(Data)
Description
This message indicates that date data cannot be recognized by the radar processing circuit in the
display system.
If the message is displayed, the automatic time correction function cannot be used.
The power terminal board circuit in the display system or the radar processing circuit may be
faulty.
The baud rate of the serial port for the GPS may not be correct.
A setting may not be made for using the receive port to which the GPS is connected.
There may be no GPS output.
Location of cause
o
Procedure
Power terminal board
circuit CBD-1702A in
the display system
x
Check the CBD-1702A cable connection. J3,J5002,J5003
x
Replace the CBD-1702A.
CDC-1350 in the
display system
x
Check the insertion of J4402 and J4003 on the radar processing
circuit CDC-1350.
x
Check the baud rate in the initial setting menu.
x
In the initial setting menu, check the receive port to be used.
x
Replace the radar processing circuit (CDC-1350) in the processor unit.
GPS(Status)
Description
This message indicates that GPS information received by the radar processing circuit in the
display system is not correct.
If the message is displayed, latitudes and longitudes cannot be displayed.
Position fixing may not be done in the GPS receiver.
Location of cause
o
Procedure
GPS receiver
x
Make a setting for position information to be fixed in the GPS
receiver.