NEC Nc900ca Manual

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6. Appendix
6-8-2. External control connector (GP I/O) (D-Sub \l37 pin)
\bt  is  possi\fle  to  control  the  projector  with  an  external  device  and  to  control  the  external  device  from  the  projector  using  an 
external  control  connector  (GP\bO:  General  Purpose  \b/O  Ports).  Each  pin  is  electrically  separated  from  the  projector  internal 
circuits \fy a photo-co\fiupler. 8 port input and 8 port output are availa\fle. 
Please contact you\fir dealer/distri\futo\fir regarding how to use and\fi to operate them. \fi
Pin view of female\fi connector
Pin No.Signal Name \b/OPin No. Signal Name \b/O
1 GP\bN1+ 
(3D L/R \bnput Refer\fience +) \bN
20GP\bN1- 
(3D L/R \bnput Refer\fience -) \bN
2 GP\bN2+ 
(3D L/R Display Ref\fierence +) \bN
21GP\bN2- 
(3D L/R Display Ref\fierence -) \bN
3 GP\bN3+ (system reserved) \bN22GP\bN3- (system reserved) \bN
4 GP\bN4+ (system reserved) \bN23GP\bN4- (system reserved) \bN
5 EXT_GP\bN1+ 
(Control and Title Selec\fition +) \bN
24EXT_GP\bN1- 
(Control and Title Selec\fition -) \bN
6 EXT_GP\bN2+ 
(Control and Title Selec\fition +) \bN
25EXT_GP\bN2- 
(Control and Title Selec\fition -) \bN
7 EXT_GP\bN3+ 
(Control and Title Selec\fition +) \bN
26EXT_GP\bN3- 
(Control and Title Selec\fition -) \bN
8 EXT_GP\bN4+ 
(Control and Title Selec\fition +) \bN
27EXT_GP\bN4- 
(Control and Title Selec\fition -) \bN
9 GPOUT1+ 
(External 3D L/R Output R\fieference +) OUT
28GPOUT1- 
(External 3D L/R Output R\fieference -) OUT
10 GPOUT2+ (system reserved) OUT29GPOUT2- (system reserved) OUT
11 GPOUT3+ (system reserved) OUT30GPOUT3- (system reserved) OUT
12 GPOUT4+ 
(\bnternal 3D L/R Output R\fieference +) OUT
31GPOUT4- 
(\bnternal 3D L/R Output R\fieference -) OUT
13 EXT_GPOUT1+ 
(Projector Ready/Busy\fi +) OUT
32EXT_GPOUT1- 
(Projector Ready/Busy\fi -) OUT
14 EXT_GPOUT2+ 
(Projector Error Status +) OUT
33EXT_GPOUT2- 
(Projector Error Status -) OUT
15 EXT_GPOUT3+ 
(\bMB Play/End Statu\fis +) OUT
34EXT_GPOUT3- 
(\bMB Play/End Statu\fis -) OUT
16 EXT_GPOUT4+ 
(Projector Heart\feat +) OUT
35EXT_GPOUT4- 
(Projector Heart\feat -) OUT
17 NC (not connected) -36NC (not connected) -
18 GND PWR37GND PWR
19 GND PWR- --
EXT_GP\bN1 - EXT_GP\bN4\fi:  You can control the projector externally \fy com\finatio\fins of input signals\fi (high/low). 
(Projector power supp\fily/turning the lamp on or\fi off/image mute/title \fiselection)
EXT_GPOUT1 - EXT_G\fiPOUT4:  Functions in the a\fi\fove ta\fle are default settings.\fi You can change the a\fissigned functions.
  
						

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6. Appendix
Input Connector
GP \b/O Connector\bnside Projector
Resist = 390 Ω
Photo-coupler
Forward direction voltage: 1.1\fiV (@5mA)
Ext_GP\bN_P
Pin No.:      1     2     3     4     5     6     7     8
Ext_GP\bN_N
Pin No.:  20 21 23 23 24 25 26 27
Voltage applied across the pins of Ex\fit_GP\bN_P and 
Ext_GP\bN_N should \fe \fiin the range from 3.3 Vdc to 10 V\fidc. 
Recommended Operat\fiing Current: 
5mA
A\fsolute Maximum Ra\fiting:  23mA
• Using GPIO Control
Momentary “ON” pulse ena\fles you to control projector. To ena\fle “ON” pulse, hold it for at least 500 ms. Hold “OFF” for at 
least 500 ms \fefore “ON”. (See page 83\fi)
Here is function list\fi to control projector \fy using GP\fi\bO port.
Pin No.Photo-coupler ON/OF\fiF Function
1-20 ON/OFF3D L/R timing signal\fi input ON/OFF
2-21 ON/OFF3D L/R display timi\fing signal input ON/O\fiFF
3-22 -System reserved (used inte\firnally)
4-23 -System reserved (used inte\firnally)
5-24
6-25
7-26
8-27 8-27
7-266-255-24The following funct\fiions apply dependi\fing on the com\finati\fion of input terminals.
OFF OFFOFF ONPower ON
OFF OFF ONOFFPower OFF
OFF OFF ONONLamp ON
OFF ONOFF OFFLamp OFF
OFF ONOFF ON\bmage douser ON
OFF ONONOFF\bmage douser OFF
OFF ONONONSystem reserved (used inte\firnally)
ON OFF OFFOFFSelects the title \firegistered to the preset \futton 1
ON OFF OFF ONSelects the title \firegistered to the preset \futton 2
ON OFF ONOFFSelects the title \firegistered to the preset \futton 3
ON OFF ONONSelects the title \firegistered to the preset \futton 4
ON ONOFF OFFSelects the title \firegistered to the preset \futton 5
ON ONOFF ONSelects the title \firegistered to the preset \futton 6
ON ONONOFFSelects the title \firegistered to the preset \futton 7
ON ONONONSelects the title \firegistered to the preset \futton 8
Example for dousin\fig image:    \bnput ON to 5-24 and\fi 7-26 while 6-25 a\find 8-27 are OFF.
Example for select\fiing the preset \futton 2:  \bnput ON to 5-24 and\fi 8-27 while 6-25 a\find 7-26 are OFF.
NOTE• The  operation  command  coming  from  GP\b/O  port  will  \fe  canceled  when  the  projector  is  processing  other 
tasks, such as lam\fip cooling and switc\fihing title.
•  Set all other pins\fi than those in use\fi to “OFF”.
•  The operation comm\fiand is executed up\fion continuous inpu\fit of the “ON” pulse\fi for approximately 200 ms. 
						

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6. Appendix
• Timing chart of GPIO control
Example of Select \fiPreset ButtonOff at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
8-27
5-24/6-25/7-26
Execute
Select Preset Buttontime
Example for turning the image dous\fier (Douser) on
Off at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
5-24/7-26
6-25/8-27
Execute
\bmage douser (Douser\fi) ONtime
Example of Lamp On\fi
Off at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
5-24/6-25
7-26/8-27
Execute
Lamp Ontime 
						

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6. Appendix
Example for turning the power offOff at least 500 ms at least 500 ms
approx. 200 ms
on off
on off
6-25
5-24/7-26/8-27
Execute
Power OFFtime 
						

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6. Appendix
Output Connector
GP \b/O Connector\bnside Projector
Photo-coupler
Ext_GPOUT_P
Ext_PROJ_GOOD_P
Pin No.:    9 10    11   12   13   14   15   16
Pin No.:  28 29 30 31 32 33 34 35
A\fsolute Maximum Ra\fiting: 50 mA
Ext_GPOUT_N
Ext_PROJ_GOOD_N
• Using GPIO Control
You can use GP\bO control for the projector’s health check and error check. Also, you can use the output as the trigger to control 
external devices. 
The following functions are assigned to the pin num\fer 13-32, 14-33, 15-34, and 16-35 (EXT_GPOUT1 - EXT_GPOUT4) as the 
default. You can change the a\fissigned functions.
Pin No. Photo-coupler ON/OF\fiF Function
9-28 ON/OFF External 3D L/R timing s\fiignal output ON/OFF
10-29 –System reserved (used inte\firnally)
11-30 –System reserved (used inte\firnally)
12-31 ON/OFF \bnternal 3D L/R timing s\fiignal output ON/OFF
13-32 ON/OFF GP\bO control status check 
ON: GP\bO control (input) is unav\fiaila\fle. 
OFF: GP\bO control (input) is avai\fila\fle.
14-33 ON/OFF Error check 
ON: Error 
OFF: No error
15-34 ON/OFF \bMB status check 
ON: The content is \fi\feing played.
OFF: The content i\fis stopped/paused.
16-35 ON/OFF Health check (hear\fit \feat) 
ON and OFF are alternately output when\fi operations are 
normal. 
						

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6. Appendix
6-8-3. 3D connector (D-sub 15 pin)
This is used to co\finnect a 3D image sy\fistem to the projector.
Pin view of a fema\file connector
Pin No.Signal Name \b/O Function
1 +12V PWRSupplies power (+1\fi2V) to the 3D image\fi system
2 GNDC GNDGround
3 GNDC GNDGround
4 RS232_RX \bNData transmission f\firom the 3D image sys\fitem 
(1200 Baud, 8 \fits,\fi No Parity)
5 RS232_TX OUTData transmission t\fio the 3D image syst\fiem 
(1200 Baud, 8 \fits,\fi No Parity)
6 CONN_3D_MODE+ OUT3D mode status (+) 
(Connects to the c\fiollector of the ou\fitput transistor of\fi the 
photo coupler insi\fide the projector)
7 CONN_SYNC+ OUT3D L/R switching ti\fiming signal (+) 
(Connects to the c\fiollector of the ou\fitput transistor of\fi the 
photo coupler insi\fide the projector)
8 3D_\bNPUT_REFERENCE+ \bN3D L/R timing signal\fi (+) 
(Connects to the a\finode of the input \fidiode of the photo\fi 
coupler inside the\fi projector)
9 +12V PWRSupplies power (+1\fi2V) to the 3D image\fi system
10 3D_\bNPUT_REFERENCE− \bN3D L/R timing signal\fi (–) 
(Connects to the c\fiathode of the inpu\fit diode of the pho\fito 
coupler inside the\fi projector)
11 3D_D\bSPLAY_REFERENCE+ \bN3D L/R display timi\fing signal (+) 
(Connects to the a\finode of the input \fidiode of the photo\fi 
coupler inside the\fi projector)
12 3D_D\bSPLAY_REFERENCE− \bN3D L/R display timi\fing signal (–) 
(Connects to the c\fiathode of the inpu\fit diode of the pho\fito 
coupler inside the\fi projector)
13 CONN_3D_MODE− OUT3D mode status (–) 
(Connects to the e\fimitter of the outp\fiut transistor of t\fihe photo 
coupler inside the\fi projector)
14 CONN_SYNC− OUT3D L/R switching ti\fiming signal (–) 
(Connects to the e\fimitter of the outp\fiut transistor of t\fihe photo 
coupler inside the\fi projector)
15 N/C −Unused
  
						

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6. Appendix
6-9. Related products list
Product nameModel name
Lens Zoom lens 1.36 to \fi1.63NP-9LS14Z
Zoom lens 1.63 to \fi2.03 NP-9LS16Z
Zoom lens 2.03 to \fi2.72 NP-9LS20Z
Zoom lens 2.72 to \fi4.07 NP-9LS27Z
Zoom lens 4.07 to \fi6.34 NP-9LS40Z
Lamp Replacement LampNP-9LP01
Air Filter Replacement Filter\fiNP-9AF01
Lamp and Air Filte\fir Kit Replacement Lamp a\find FilterNP-9LF01
\bntegrated Media Se\firver \bntegrated Media Se\firverNC-90MS01
Signal \bnput Board (supports CineLink™ 2) (No\fite 1) Signal \bnput BoardNC-80LB01-B
Signal \bnput Board (does not suppor\fit CineLink™ 2) (Not\fie 1) Signal \bnput BoardNC-80DS01-B
(Note 1) What is HDCP/HDCP t\fiechnology?
  HDCP is an acronym for High-\fandwidth Digital Content Protection. High \fandwidth Digital Content Protection (HDCP) 
is a system for pr\fieventing illegal co\fipying of video data\fi sent over a Digita\fil Visual \bnterface (DV\b).
  \bf  you  are  una\fle  to  view  material  via  the  DV\b  input,  this  does  not  necessarily  mean  the  projector  is  not  functioning 
properly. With the implementation of HDCP, there may \fe cases in which certain content is protected with HDCP and 
might not \fe displa\fiyed due to the dec\fiision/intention of\fi the HDCP community\fi (Digital Content P\firotection, LLC). 
						

							© \fEC Display Solutions, Ltd. 2\b12Ver.1  1\b/12