Furuno SC-50 manual Diagnostic test sequence, Push KEY

4. MAINTENANCE, TROUBLESHOOTING

OK shown for normal;

NG (No Good) shown for error

GPS receiver

Processor unit

Display unit

ROM, RAM, KEY TEST

OUTPUT TEST

DISPLAY TEST

PROGRAM VERSION DISPLAY

	ROM	RAM
GPS1	OK	OK	PUSH KEY
GPS2	OK	OK		KEY TEST
GPS3	OK	OK		Press each key one by
CAL	OK	OK	OK	one. Pressed key’s name
DISP	OK	OK		appears here if key
				is functioning properly.
CNT= (STOP: PWR OFF)
Number of times test executed
		After 3 sec.
	AD-10	IEC
OUT1	OK	OK		To stop the test turn
				off the power.
OUT2	OK	OK
OUT3	OK	OK
OUT4	OK	OK
OUT5	OK	OK
OUT6
		After 3 sec.

B-EXT OK

DISP OK

All LCD segments go on 2 sec.,

All LCD segments go off 3 sec.

<LCD CHECK>

ALL ON 2 SEC.

ALL OFF 3 SEC.

SOFTWARE VERSION
DISPLAY	205-1341-**.**	** Program
PROCESS	205-1342-**.**	Version No.
GPS1	4850263-*.**
GPS2	4850263-*.**
GPS3	4850263-*.**
CNT=	(STOP: PWR OFF)

ROM, RAM, KEY check appears after 3 sec.

Diagnostic test sequence

6. Turn off the processor unit to quit the diagnostic test1.

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