NEC Np610 Edu Projector User Manual

82
6. Maintenance
3. Reinstall the new filter cover (2 locations).
 •	 Insert	the	filter	cover	until	you	feel	click.
4.  Clear the filter hours used.
To	reset	the	filter	usage	time,	from	the	menu,	select	[RESET]	→	[CLEAR	FILTER	HOURS].
(→ page 80 for resetting the filter usage time.)
NOTE:	 Do	not	 wash	 the	filter	 with	soap	 and	water.	 Soap	and	water	 will	damage	 the	filter	 membrane.	 Before	replacing	 the	filter,	 remove	
dust	and	dirt	from	the	projector	cabinet.	Keep	out	dust	and	dirt	during...

83
6. Maintenance
 Cleaning the Cabinet and the Lens
1. Turn off the projector before cleaning.
2.  Clean the cabinet periodically with a damp cloth. If heavily soiled, use a mild detergent. Never use strong 
detergents or solvents such as alcohol or thinner.
Vacuum the ventilation 
inlet of the cabinet.
Note	on	Cleaning	the	Lens	(NP610/NP510/NP410/NP405/NP310/NP305/NP510W/NP410W)
Use	a	blower	or	lens	paper	to	clean	the	lens,	and	be	careful	not	to	scratch	or	mar	the	lens.
Note	on	Cleaning	the	Lens...

84
6. Maintenance
 Replacing the Lamp
When	the	lamp	 reaches	 the	end	 of	its	 life,	 the	LAMP	 indicator	 in	the	 cabinet	 will	blink	 red.	Even	 though	 the	lamp	 may	
still	be	working,	 replace	the	lamp	 to	maintain	 the	optimal	 projector	 performance. 	After	 replacing	 the	lamp,	 be	sure	 to	
clear the lamp hour meter. (→ page 80)
 CAUTION
•	 DO	 NOT	TOUCH	 THE	LAMP	 immediately	 after	it	has	 been	 used.	It	 will	 be	extremely	 hot.	Turn	 the	projector	 off,	
turn	off	the	 main	 power	 switch...

85
6. Maintenance
2. Remove the lamp housing.
(1)	Loosen	 the	two	 screws	 securing	 the	lamp	 housing	 until	the	phillips	 screwdriver	 goes	into	a	freewheeling	 condi-
tion.
	 •	 The	two	screws	are	not	removable.
	 •		There	 is	an	 interlock	 on	this	 case	 to	prevent	 the	risk	 of	electrical	 shock.	Do	 not	 attempt	 to	circumvent	 this	
interlock.
(2)	Remove	the	lamp	housing	by	holding	it.
FOCUSFOCUS
Interlock
1. Remove the lamp cover.
(1)	Loosen	the	lamp	cover	screw
	 •	 The	lamp	cover	screw	is	not...

86
6. Maintenance
5. Connect the supplied power cable, turn on the Main Power switch and turn on the projector.
6.  Finally, select the menu → [RESET] → [CLEAR LAMP HOURS] to reset the lamp usage hours.
NOTE:	 When	you	continue	 to	use	 the	projector	 for	another	 100	hours	 after	the	lamp	 has	reached	 the	end	 of	its	 life,	 the	projector	
cannot turn on and the menu is not displayed.
If	this	happens,	press	the	HELP	button	on	the	remote	control	for	10	seconds	to	reset	the	lamp	clock	back	to	zero.
When...

87
7. Appendix
1 Troubleshooting
This	section	helps	you	resolve	problems	you	may	encounter	while	setting	up	or	using	the	projector.
Indicator Messages
Power Indicator
Indicator ConditionProjector	ConditionNote
Off The main power is off –
Blinking light Green0.5 sec On,
0.5 sec Off The projector is getting ready to turn on.
Wait for a moment.
2.5 sec On,
0.5 sec Off Off Timer is enabled.
 –
Steady light
Green The projector is turned on. –
Orange [NORMAL] is selected for [STANDBY MODE] –
Red [POWER-SAVING]...

88
7. Appendix
Common Problems & Solutions (→	“Power/Status/Lamp	Indicator” 	on	page	87.)
Does not turn on
or shut down
Will turn off
No picture
Picture suddenly 
becomes dark
Color tone or hue is 
unusual
Image isn’t square to 
the screen
Picture is blurred
Flicker appears on 
screen
Image is scrolling 
vertically, horizontally 
or both
Remote control does 
not work
Indicator is lit or blinking
Cross color in RGB 
mode
Problem	 Check	These	Items
For	more	information	contact	your	dealer.
•	 Check	 that...

89
7. Appendix
If	there	is	no	picture,	or	the	picture	is	not	displayed	correctly.
•	 Power	on	process	for	the	projector	and	the	PC.
	 Be	sure	to	connect	 the	projector	 and	notebook	 PC	while	 the	projector	 is	in	 standby	 mode	and	before	 turning	 on	
the	power	to	the	notebook	PC.
	 In	most	cases	 the	output	 signal	from	the	notebook	 PC	is	not	 turned	 on	unless	 connected	 to	the	 projector	 before	
being	powered	up.
NOTE:	You	can	check	 the	horizontal	 frequency	of	the	 current	 signal	in	the...

90
7. Appendix
 Specifications
This section provides technical information about projector’s performance.
Model	Number	 NP610/NP510/NP410/NP405/NP310/NP305/NP510W/NP410W
OpticalNP610/NP510/NP410/NP405/NP310/NP305NP510W/NP410W
LCD	PanelNP610/NP510:	0.63 	inch 	LCD 	with 	Micro 	Lens 	Array	(Aspect	Ratio	4:3)NP410/NP405/NP310/NP305:	 0.63	 inch	LCD	 (As-pect	Ratio	4:3)
0.59	inch	LCD	with	Micro	Lens	Array	(Aspect	Ratio	16:10)
Resolution 1024 × 768 pixels*11280 × 800 pixels*1
LensManual	zoom	and	focus
Zoom...

91
7. Appendix
Input	CurrentNP610: 3.8–1.5A
NP510/NP410/NP405/NP310/NP305: 3.2–1.4A
NP610G: 1.8A
NP510G/NP410G/NP310G/NP405G/NP305G: 
1.5ANP510W/NP410W: 	3.8–1.5A
NP510WG/NP410WG: 1.8A
Power	ConsumptionNP610:	 312W(100-130V 	AC)/294W(200-240V	AC ) 	i n 	O F F 	fo r 	E C O 	M O D E / 2 3 7 W ( 1 0 0 - 1 3 0 V	AC)/228W(200-240V	AC)	in	ON	for	ECO	MODENP510/NP410/NP310/NP405/NP305:   251W(100-130V	AC)/239W(200-240V 	AC) 	in 	OFF 	for 	ECO	MODE/203W(100-130V	 AC)/195W(200-240V	AC)	in	ON	for	ECO...