Dell 1400, 1420 service manual Pin Assignments for I/O Connectors, USB Connector, Video Connector

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Pin Assignments for I/O Connectors

Dell™ Inspiron™ 1420/Dell Vostro™ 1400

Service Manual

USB Connector

Video Connector

S-VideoTV-Out Connector

IEEE 1394 Connector

USB Connector

Pin Signal

1USB5V+

2USBP–

3USBP+

4GND

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

Image 39

Contents Dell Inspiron 1420/Dell Vostro Before Working Inside Your Computer Before You BeginRecommended Tools Turning Off Your ComputerBack to Contents Dell Bios Flash window, click Continue Flashing the BiosInternal Card With Bluetooth Wireless Technology Removing and Replacing the Camera Module Camera ModuleCoin-Cell Battery Removing the Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Removing the Microprocessor Module Microprocessor ModuleReplacing the Microprocessor Module Back to Contents Microprocessor Thermal-Cooling Assembly Removing the Microprocessor Thermal-Cooling AssemblyReplacing the Microprocessor Thermal-Cooling Assembly Follow the instructions in Before You Begin Display Removing the Display AssemblyFollow the instructions in Removing the Display Assembly Replacing the Display AssemblyRemoving the Display Bezel Removing the Display Panel Replacing the Display BezelReplacing the Display Panel Back to Contents Fan Removing the FanReplacing the Fan Back to Contents Intel Turbo Memory Removing the FCMReplacing the FCM Back to Contents Removing the Hard Drive Hard DriveReplacing the Hard Drive Keyboard Cover Removing the Keyboard CoverReplacing the Keyboard Cover Keyboard Removing the KeyboardReplacing the Keyboard Back to Contents Removing the Memory Module MemoryReplacing the Memory Module Removing a Wlan Card Communication CardsRemoving a Mobile Broadband or Wwan Card Replacing a Wlan CardReplacing a Wwan Card Removing and Replacing the Modem ModemOptical Drive Removing the Optical DriveReplacing the Optical Drive Removing the Palm Rest Palm RestReplacing the Palm Rest Back to Contents Video TV-Out Connector Pin Assignments for I/O ConnectorsUSB Connector Video ConnectorIeee 1394 Connector Speakers Removing the SpeakersReplacing the Speakers Back to Contents Removing the System Board System BoardReplacing the System Board Dell Inspiron 1420/Dell Vostro