NEC PA721X User Manual

268
10. 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
51423
10
11 12 13 14 15
6978
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 Bi-directionalDATA(SDA)
13 HorizontalSyncorCompositeSync
14 VerticalSync
15 DataClock
HDMI 1 IN/HDMI 2 IN Connector (Type A)
135791113151719
246810 12 14 16 18
Pin No. Signal Pin No. Signal
1 TMDSData2+ 11 TMDSClockShield
2 TMDSData2Shield 12 TMDSClock−
3 TMDSData2− 13 CEC
4 TMDSData1+ 14 Disconnection
5 TMDSData1Shield 15 SCL
6 TMDSData1− 16 SDA
7 TMDSData0+ 17 DDC/CECgrounding
8 TMDSData0Shield 18 +5Vpowersupply
9 TMDSData0− 19 Hotplugdetection
10 TMDSClock+
DisplayPort IN Connector
135791113151719
246810 12 14 16 18 20
Pin No. Signal Pin No. Signal
1 Mainlinklane3− 11 Grounding0
2 Grounding3 12 Mainlinklane0+
3 Mainlinklane3+ 13 Conguration1
4 Mainlinklane2− 14 Conguration2
5 Grounding2 15 Supplementarychannel+
6 Mainlinklane2+ 16 Grounding4
7 Mainlinklane1− 17 Supplementarychannel−
8 Grounding1 18 Hotplugdetection
9 Mainlinklane1+ 19 Return
10 Mainlinklane0− 20 +3.3Vpowersupply

NEC PA721X Specifications

General

Brand	NEC
Model	PA721X
Category	Projector
Language	English