NEC LCD4020, LCD4620 Pin Assignment, English-38, Mini D-SUB15P, Pin - Assignment of DVI connector

Pin Assignment

1) Analog RGB input (MiniDsub15p): VGA
	Pin No	Name
	1	Video Signal Red
	2	Video Signal Green
	3	Video Signal Blue	Mini D-SUB 15P
	4	GND	5
	5	DDC-GND
			10
	6	Red-GND
			15
	7	Green-GND
	8	Blue-GND
	9	+5V (DDC)
	10	SYNC-GND
	11	GND
	12	DDC-SDA
	13	H-SYNC
	14	V-SYNC
	15	DDC-SCL

2) S-VIDEO input: VIDEO
	Pin No	Name
	1	GND
	2	GND
	3	Y (Luminance)
	4	C (Chroma)

3) Digital RGB input (DVI-D): DVI

	Pin - Assignment of DVI connector:
1	TX2-	9	TX1-	17	TX0-	1
2	TX2+	10	TX1+	18	TX0+
3	Shield (TX2 / TX4)	11	Shield (TX1 / TX3)	19	Shield (TX0 / TX5)
						9
4	NC	12	NC	20	NC
5	NC	13	NC	21	NC
6	DDC-Serial Clock	14	+5V power	22	Shield (TXC)	17
7	DDC-Serial Data	15	Ground	23	TXC+
8	NC	16	Hot plug detect	24	TXC-

4) RS-232C input/output

Pin No	Name	D-SUB 9P
1	connected to 7&8
2	RXD	1
3	TXD
4	connected to 6	6
5	GND
6	connected to 4
7	connected to 1&8
8	connected to 1&7
9	NC

This LCD monitor uses RXD, TXD and GND lines for RS-232C control.

1

6

11

5

9

8

16

24

English-38