NEC M271w Portable Projector Users Manual

121
7. Maintenance
3.	 Replace	the	four	(4)	filters
1.	 Remove	the	dark	sponge	filter,	and	then	clean	the	filter	unit	and	the	filter	cover.
2. Attach new, non-woven white material filters.
  Filter unit: Attach two honeycomb hard filters to the filter unit.
 Filter cover: Attach two accordion soft filters to the filter cover.
 The accordion filter has slits on it. Align these slits with the protrusions of the filter cover.
   
4.	 Attach	the	filter	cover	back	to	the	filter	unit
 Align the filter unit...

122
8. 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 Blue
0�5 sec On,0�5 sec OffThe projector is getting ready to turn on�Wait for a moment�
2�5 sec On,0�5 sec OffOff Timer is enabled� –
Steady lightBlueThe projector is turned on�–
Orange [NORMAL] is selected for [STANDBY MODE] –
Red [POWER-SAVING]  is...

123
8. Appendix
Common Problems & Solutions
(→	“Power/Status/Lamp	Indicator” 	on	page	122.)
ProblemCheck	These	Items
Does not turn on
or shut down•	 Check	 that	the	power	 cord	is	plugged	 in	and	 that	 the	power	 button	 on	the	 projector	 cabinet	or	the	 remote	 control	is on� (→ pages 14, 15)•	 Ensure	that	the	lamp	cover	is	installed	correctly.	(→ page 119)•	 Check	 to	see	 if	the	 projector	 has	overheated.	 If	there	 is	insufficient	 ventilation	around	the	projector	 or	if	the	 room	where you are...

124
8. 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...

125
8. Appendix
 Specifications
This	section	provides	technical	information	about	projector’s	performance.
Optical
Model	NumberNP-M361XNP-M311X NP-M271XNP-M311W NP-M271WLCD	Panel0.63	inch	LCD	with	Micro	Lens	Array	(Aspect	Ratio	4:3)0.63	inch	LCD	(As-pect	Ratio	4:3)0.59	inch	LCD	with	Micro	Lens	Array	(Aspect	Ratio	16:10)Resolution*11024	×	768	pixels	(XGA)1280	×	800	pixels	(WXGA)LensManual	zoom	and	focusZoom	Ratio	=	1.7F1.7–2.1	f	=	17.5–29.0	mmLamp230	W	AC	(170	 W	in	NOR-
MAL)
(140	 W	in	ECO)
180	W	AC...

126
8. Appendix
Model	NumberNP-M361XNP-M311X NP-M271XNP-M311W NP-M271WBuilt-in	Speaker10W	(monaural)Power	Requirement100–240V	AC,	50/60HzInput	Current3.4	A/1.5	A2.8 A/1.2 A3.4	A/1.5	A2.8 A/1.2 APower	Consump-
tionECO	MODE	OFF311 W (100-130	
V)/302 W (200-240	V)
248	W	(100-130	 V)239	W	(200-240	 V)311 W (100-130	V)/302 W (200-240	V)
248	W	(100-130	 V)/239	W	(200-240	 V)NORMAL239	W	(100-130	 V)/236 W (200-240	V)
198	W	(100-130	 V)193	W	(200-240	 V)239	W	(100-130	 V)/236 W (200-240	V)
198	W	(100-130	 V)/193...

127
8. Appendix
257 (10.1)
99 (3.9)
339 (13.4)
100 (3.9)
108 (4.3)59.4
(2.34)
175 (6.9)
200 (7.9)
150 (5.9) 130 (5.1)
 Cabinet Dimensions
Lens center
Lens center
Holes for ceiling mount
Unit: 	mm	(inch) 

128
8. Appendix
 Pin Assignments of D-Sub COMPUTER Input Connector
Mini D-Sub 15 Pin Connector
Signal	Level
Video	signal	:	0.7Vp-p	(Analog)
Sync	signal	:	TTL	level
5
14 23 10
11 12 13 14 15
69 78
Pin No. RGB	Signal	(Analog)YCbCr	Signal1 Red Cr
2Green	or	Sync	on	GreenY
3 Blue Cb
4 Ground
5 Ground
6
Red	GroundCr	Ground7Green	GroundY	Ground8Blue	GroundCb	Ground9No	Connection10Sync	Signal	Ground11No	Connection12Bi-directional	DATA	(SDA)13Horizontal	Sync	or	Composite	
Sync
14Vertical	Sync15Data	Clock...

129
8. Appendix
 Compatible Input Signal List
Analog	RGB
SignalResolution(	dots	)Aspect	RatioRefresh	Rate(	Hz	)VGA
640×480 4:360/72/75/85/
iMac
SVGA 800×600 4:356/60/72/75/85/
iMac
XGA 1024×768 *
14:3 60/70/75/85/
iMac
WXGA 1280×768 *
215:9 60
1280 ×800 *216:10 60
1360 ×768 *316:9 60
1366 ×768 *316:9 60
Quad-VGA 1280×960 4:3 60/75
SXGA 1280×1024 5:4 60/75
SXGA+ 1400×1050 4:3 60
WXGA+ 1440×900 16:10 60
WXGA++ 1600×900 *
316:9 60
UXGA 1600×1200 4:3 60
WSXGA+ 1680×1050 16:10 60
HD 1280×720 16:9 60
Full...

130
8. Appendix
 PC Control Codes and Cable Connection
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF  02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER 1  02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT COMPUTER 2  02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT HDMI  02H 03H 00H 00H 02H 01H 1AH 22H
INPUT SELECT VIDEO  02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT S-VIDEO  02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT VIEWER  02H 03H 00H 00H 02H 01H 1FH 27H
INPUT SELECT NETWORK  02H...