Furuno FELCOM 15 Service Manual page 55

Watchdog DET (CR6)
Flash ROM
(RF CON Program)
POWER (CR11)
LOG IN (CR12)
TX (CR13)
ERROR (CR14)
EEPROM
(U15, FW/RTID,
DNID, ENID ID)
J10:I/Q check
DIP SW (S1) TCXO ADJ. (R398)
Fig.3.1.5 RF CON/CPU board (16P0208A), side A
Fig.3.1.6 RF CON/CPU board (16P0208A), side B
3-3
3.1 Terminal unit, IC-215
CPU RUN (CR25)
(Blinking every
second)
TCXO CHK (J11)
With Shield cover
[ANT]
to INT GPS (J4)
to D.GPS ANT (J5)