NEC Projector PA622U User Manual

168
9. Appendix
Model	namePA622U/PA522U/PA672W/PA572W/PA722X/PA622X
DisplayPortVideo	input	DisplayPort	×	1Data	rate: 	2.7Gbps/1.62GbpsNo.	lanes: 	1	lane/2	lanes/4	lanesColor	depth: 	6-bit,	8-bit,	10-bitColorimetry:	RGB,	YcbCr444	and	 YcbCr422	compatibleHDCP	compatible	(*5)
Audio	input	DisplayPort:	Sampling	frequency	–	32/44.1/48	kHz,	Sampling	bits	–	16/20/24	bitsBNC	(CV)Video	input	BNC	×	1Audio	input	(shared	with	the	BNC,	BNC	(CV),	BNC	(Y/C)	audio	input	terminals)BNC	(Y/C)Video	input	BNC	×	2Audio	input...

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9. Appendix
250 (9.8)
162 (6.4)359 (14.1)368 (14.5)
78.5 (3.1)
142 (5.6)
200 (7.9)
499 (19.6)
❹ Cabinet Dimensions
Lens	center
Lens	center
Holes	for	ceiling	mount
Unit:
	mm	(inch) 

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9. Appendix
❺ Mounting the cable cover (sold separately)
Mounting	the	separately	 sold	cable	 cover	 (NP04CV)	 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...

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9. Appendix
❻ Pin assignments and signal names of main connectors
COMPUTER IN/ Component Input Connector (Mini D-Sub 15 Pin) 
Connection and signal level of each pin
5
14 23 10
11 12 13 14 15
69 78
Signal Level
Video	signal	: 	0.7Vp-p	(Analog)
Sync	signal	:	TTL	level
Pin No.  RGB	Signal	(Analog) YCbCr Signal
1 Red Cr
2 Green	or	Sync	on	Green Y
3 Blue Cb
4 Ground
5 Ground
6 Red	Ground Cr	Ground
7 Green	Ground Y	Ground
8 Blue	Ground Cb	Ground
9 No	Connection
10 Sync	Signal	Ground
11 No	Connection
12...

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9. Appendix
Ethernet/HDBase T Port (RJ-45) 
12345678
Pin No.  Signal
1 TxD+/HDBT0+
2 TxD−/HDBT0−
3 RxD+/HDBT1+
4 Disconnection/HDBT2+
5 Disconnection/HDBT2−
6 RxD−/HDBT1−
7 Disconnection/HDBT3+
8 Disconnection/HDBT3−
USB-A Port (Type A) 
1
3
2
4
Pin No.  Signal
1 V
BUS2 D−
3 D+
4 Grounding
PC CONTROL Port (D-Sub 9 Pin) 
1234
5 6789
Communications protocol
Pin No. 
Signal
1 Unused
2 RxD	reception	data
3 TxD	 transmission	data	
4 Unused
5 Grounding
6 Unused
7 RTS	transmission	request
8 CTS	transmission...

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9. Appendix
❼ 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.–
Flashing
Blue	(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)
Lit BluePower	on–
Red...

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9. Appendix
Lamp Indicator
Indicator	display	Projector	status	Procedure
Off
The	lamp	is	turned	off.–
Flashing Green
Preparing	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). 	Re-
place	the	lamp	as	soon	as	possible. 	(→	page	142)
Red	(cycles	
of	6)
Lamp	does	not	lightThe	lamp	 has	not	turned	 on.	Wait	 at	least	 1	minute,	 then	
turn	the	power...

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9. Appendix
Common Problems & Solutions
(→	“Power/Status/Lamp	Indicator” 	on	page	174.)
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 144)•	 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
ProblemCheck	These	Items
Remote control does 
not work•	 Install	new	batteries.	(→ page 10)•	 Make	sure	there	are	no	obstacles	between	you	and	the	projector.•	 Stand	within	22	feet	(7	m)	of	the	projector.	(→ page 11)•	 To	perform	 computer	 mouse	operations	 using	the	projector’s	 remote	control,	 connect	 the	optional	 mouse	receiver	to the computer � (→ page 31)
Indicator is lit or 
blinking
•	 See	the	POWER/STATUS/LAMP	Indicator.	(→ page 173)
Cross color in RGB 
mode
•	 Press	the	AUTO...

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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...