Furuno NX-700A/B manual Maintenance & Troubleshooting, Maintenance program, Check point Remedy

3.MAINTENANCE & TROUBLESHOOTING

This chapter provides information necessary for keeping your unit in good working order and remedying simple problems.

WARNING

Do not open the equipment.

Hazardous voltage which can cause electrical shock exists inside the equipment. Only qualified personnel should work inside the equipment.

3.1Maintenance

Regular maintenance is important for optimum performance. A maintenance program should be established and should at least include the items shown in the table below.

Maintenance program

Item	Check point	Remedy
Display unit connectors	Check for tight connection.	Tighten loosened connectors.
LCD	The LCD will, in time,	Wipe the LCD carefully to
	accumulate a coating of dust	prevent scratching, using
	which tends to dim the picture.	tissue paper and an LCD
	Wipe LCD lightly with soft	cleaner. To remove dirt or salt
	cloth to remove dust.	deposits, use an LCD cleaner,
		wiping slowly with tissue
		paper so as to dissolve the dirt
		or salt. Change paper
		frequently so the salt or dirt
		will not scratch the LCD. Do
		not use solvents such as
		thinner, acetone or benzene
		for cleaning.
Ground terminal	Check for tight connection and	Clean or replace ground wire
	corrosion.	as necessary.

3-1