Furuno NX-700B - Page 62

3.2 NX-700B
3-6
Fig. 3.2.3 NX-700B Rear panel removed
Fig. 3.2.4 CPU board removed
LCD
Beep for receiving
monitor and key click
Lithium battery
(CR2450-F2ST2L)
CPU board
(08P3225)
A
larm beep generated when a message
A, B, D or L is received.
J9: Terminating resistor of INS receiving date line
#1-#2: With termination, #2-#3: Without termination
J7:
SRAM Back-up
Jumper
R79: V-ADJ
(+12 VDC OUT ADJ.)
R106: F-ADJ
Switching power suppl
y
frequency
Check: TP1 – TP2