NEC Projector PA571W User Manual

199
9. Appendix
 Mounting the cable cover (sold separately)
Mounting	the	separately	 sold	cable	 cover	 on	the	 projector	 allows	you	hide	 the	cables	 for	a	cleaner 	
appearance.
 CAUTION
•	After	mounting	 the	cable	 cover,	 be	sure	 to	fasten	 using	the	screws	 provided. 	If	 not,	 the	cable	 cover	 could	fall,	
damaging	the	cable	cover	and	possibly	resulting	in	injury.
•	 Do	not	bundle	the	power	cord	and	place	it	under	the	cable	cover. 	Doing	so	could	lead	to	fire.
•	 Do	not	apply	 excessive	 force...

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9. 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 1314 15
69 78
Pin No. RGB	Signal	(Analog)YCbCr	Signal1RedCr2Green	or	Sync	on	GreenY3BlueCb4Ground5Ground6Red	GroundCr	Ground7Green	GroundY	Ground8Blue	GroundCb	Ground9No	Connection10Sync	Signal	Ground11No	Connection12Bi-directional	DATA	(SDA)13Horizontal	Sync	or	Composite	
Sync14Vertical	Sync15Data	Clock 

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9. Appendix
 Troubleshooting
This	section	helps	you	resolve	problems	you	may	encounter	while	setting	up	or	using	the	projector.
Indicator Messages
Power Indicator
Indicator	display	Projector	status	Procedure
Off	Power	is	off.–
FlashingBlue	(short	flashes)Preparing	to	turn	power	onWait	a	while.
Blue	(long	flashes)Off	timer	(enabled)
Program	timer	(off	time	enabled)
–
Orange	(short	
flashes)
Projector	coolingWait	a	while.
Orange	(long	flashes)Program	timer	(on	time	enabled)
LitBluePower	on–
Red...

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9. Appendix
Lamp Indicator
Indicator	display	Projector	status	Procedure
OffThe	lamp	is	turned	off.–
FlashingGreenPreparing	to	relight	lamp	after	
lighting	has	failed
Wait	a	while.
RedLamp	replacement	grace	
period
The	lamp	 has	reached	 the	end	 of	its	 service	 life	and	
is	now	 in	the	 replacement	 grace	period	 (100	hours). 	
Replace	the	lamp	as	soon	as	possible. 	(→	page	159)
Red	(cycles	
of	6)
Lamp	does	not	lightThe	lamp	 has	not	turned	 on.	Wait	 at	least	 1	minute,	 then	
turn	the	power	 back...

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9. Appendix
Common Problems & Solutions
(→	“Power/Status/Lamp	Indicator” 	on	page	214.)
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 13, 14)
•	 Ensure	that	the	lamp	cover	is	installed	correctly.	(→ page 161)
•	 Check	 to	see	 if	the	 projector	 has	overheated.	 If	there	 is	insufficient	 ventilation	around	the	projector	 or	if	the	
room where you are...

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9. Appendix
Flicker appears on 
screen
•	Set  [FAN  MODE]  to  other  than  [HIGH  ALTITUDE]  mode  when  using  the  projector  at  altitudes  approximately  5500 
feet/1600 meters or lower� Using the projector at altitudes less than approximately 5500 feet/1600 meters and setting 
to [HIGH ALTITUDE] can cause the lamp to overcool, causing the image to flicker � Switch [FAN MODE] to [AUTO]� (→ 
page 108)
Image is scrolling 
vertically, horizontally 
or both
•	 Check	the	computer’s	 resolution	and...

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9. 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...

206
9. Appendix
NOTE:	Contact	your	local	dealer	for	a	full	list	of	the	PC	Control	Codes	if	needed.
Cable Connection
Communication	Protocol
Baud rate �����������������������������������������38400 bps
Data length  ��������������������������������������8 bits
Parity �����������������������������������������������No parity
Stop bit ��������������������������������������������One bit
X on/off ��������������������������������������������None
Communications procedure �������������Full duplex
NOTE:	Depending	on...

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9. Appendix
 Troubleshooting Check List
Before	contacting	 your	dealer	 or	service	 personnel,	 check	the	following	 list	to	be	 sure	 repairs	 are	needed	 also	by	
referring	 to	the	 “Troubleshooting” 	section	 in	your	 user’s	 manual. 	This	 checklist	 below	will	help	 us	solve	 your	problem	
more	efficiently.
*	Print	this	page	and	the	next	page	for	your	check.
Frequency of occurrence  always  sometimes (How often?_____________________)  other (__________________)
No  image  is  displayed  from...

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9. Appendix
In the space below please describe your problem in detail.
Information on application and environment where your projector is used
Projector
Model number:
Serial No�:
Date of purchase:
Lamp operating time (hours):
Eco Mode:  OFF  ON
Information on input signal:
Horizontal synch frequency [     ] kHz
Vertical synch frequency  [     ] Hz
Synch polarity  H  (+)  (−)
 V  (+)  (−)
Synch type  Separate  Composite
  Sync on Green
STATUS Indicator:
Steady light  Orange  Green
Flashing...