NEC Projector PX803UL User Manual

184
❺ Cabinet Dimensions
Unit:	mm	(inch)
500 (19.7)300 (11.8)150 (5.9)
583 (23)
577 (22.7)
112.5 (4.4) 216 (8.5)211 (8.3)
124.5 (4.9)
150 (5.9)
150 (5.9)
Lens	center
6-M4	×	L16	(Max)	for	Ceiling	Mount*
*	 The	screws	specificati ons	for	Ceiling	Mount:	 Screw	type:	M4	 Screw	hole	dimension	on	the	projector:	M4	with	the	maximum	depth	16	mm	(0.63")
 CAUTION:
Do	not	attempt	to	mount	the	projector	on	a	ceiling	yourself.
The	projector	must	be	installed	by	qualified	technicians	in	order	to	ensure	proper...

185
❻ Pin assignments and signal names of main terminals
COMPUTER IN/ Component Input Terminal (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	le vel
Pin No. RGB	Signal	(Analog)YCbCr	Signal1Red 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...

186
Ethernet/HDBaseT 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 Port (Type A) 
1
3
2
4
Pin No.  Signal
1 V
BUS2D−
3 D+
4 Grounding
PC CONTROL Port (D-Sub 9 Pin) 
1234
5 6789
Communications protocol
Pin No. 
Signal
1 Unused
2
RxD	reception	data3TxD	transmission	data	4 Unused
5 Grounding
6 Unused
7
RTS	transmission	request8CTS	transmission	allo wed9Unused
9....

187
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 Blue
Power	on–
Red	Standby	mode...

188
LIGHT Indicator
Indicator	display	Projector	status	Procedure
Off
The	light	module	is	
turned	off.
–
Flashing
Red	(six	times	
per	cycle)
The	light	source	is	not	
turned	on.	
Wait	for	over	1	minute	and	try	to	pow er	ON	the	projector	
again.	If	the	problem	st ill	per sists,	con tact	the	NE C	pro jector	
customer	support	center.
LitGreenLight	module	lit–
TEMP.	Indicator
Indicator	display	Projector	status	Procedure
Off
No	problem
FlashingRed	(cycles	
of	2)
Temperature	problemThe	temperature	protector	has...

189
Common Problems & Solutions
(→	“POWER/STATUS/LIGHT/TEMP.	Indicator”	on	page	186,	187.)
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)•	 Check	to	see	if	the	projector	has	overheated.	If	there	is	insufficient	ventilation	around	the	projector	or	if	the	room where you are presenting is particularly warm, move the projector t\
o a cooler location�•	 The	light...

190
ProblemCheck	These	Items
Cross color in RGB 
mode•	 Press	the	AUTO	ADJ.	button	on	the	projector	cabinet	or	the	remote	control.	(→ page 33)•	 Adjust	the	computer	image	manually	with	[CLOCK]/[PHASE]	in	[IMAGE	OPTIONS]	in	the	menu.	(→ page 
94)
For	more	information	contact	your	dealer.
9. Appendix  

191
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	projector’s	menu	under	Information.	If...

192
❽ 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 HDMI 02H 03H 00H 00H 02H 01H A1H A9H
INPUT SELECT DisplayPort 02H 03H 00H 00H 02H 01H A6H AEH
INPUT SELECT BNC 02H 03H 00H 00H 02H 01H 02H 0AH
INPUT SELECT BNC(CV) 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT BNC(Y/C) 02H 03H 00H 00H 02H 01H 0BH 13H
INPUT SELECT COMPUTER 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT HDBaseT 02H 03H 00H 00H 02H 01H...

193
❾ 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	(__________________)
Power
□	No power (POWER indicator does not light blue)� See...