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Pin Assignments for I/O Connectors

Dell™ Inspiron™ 1420/Dell Vostro™ 1400 Service Manual

  USB Connector

  Video Connector

  S-Video TV-Out Connector

  IEEE 1394 Connector

USB Connector

Pin	Signal
1	USB5V+
2	USBP–
3	USBP+
4	GND

Video Connector

Pin	Signal	Pin	Signal
1	CRT_R	9	5V+
2	CRT_G	10	GND
3	CRT_B	11	NC
4	NC	12	DDC_DATA
5	GND	13	CRT_HS
6	GND	14	CRT_VS
7	GND	15	DDC_CLK
8	GND

S-Video TV-Out Connector

S-Video
Pin	Signal
1	GND
2	GND
3	DLUMA-L
4	DCRMA-L

Composite Video
Pin	Signal
5	GND
6	DCMPS-L
7	NC

IEEE 1394 Connector

Pin	Signal
1	TPB–
2	TPB+
3	TPA–
4	TPA+

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