Dell 1721 manual Pin Assignments for I/O Connectors, USB Connector, Video Connector

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Pin Assignments for I/O Connectors

Dell™ Vostro™ 1700 and Inspiron™ 1720/1721 Service Manual

USB Connector

Video Connector

S-VideoTV-Out Connector

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	MONITOR_DETECT–

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

Image 61

Contents Page Removing the Wireless Sniffer Board Wireless Sniffer BoardBack to Contents Computer Base and ComponentsReplacing the Wireless Sniffer Board Audio Connector BoardRemoving the Audio Connector Board Consumer Infrared CIR Board Replacing the Audio Connector BoardRemoving the CIR Board Removing the USB Connector Board USB Connector BoardReplacing the CIR Board Replacing the USB Connector Board Modem ConnectorReplacing the Modem Connector Removing the Modem ConnectorExpressCard Cage Removing the ExpressCard CageReplacing the ExpressCard Cage Computer BaseReplacing the Computer Base Removing the Computer BaseRecommended Tools Before You BeginBefore Working Inside Your Computer Recommended Tools Before Working Inside Your ComputerBack to Contents Flashing the Bios From a CD Flashing the BiosFlashing the Bios From the Hard Drive Back to Contents Removing the Bluetooth Card Internal Card With Bluetooth Wireless TechnologyReplacing the Bluetooth Card Removing the Bluetooth Card Replacing the Bluetooth CardInstalling a Memory Card Using the Memory Card ReaderMemory Card Blanks Removing a Memory Card or BlankBack to Contents Removing the Coin-Cell Battery Coin-Cell BatteryReplacing the Coin-Cell Battery Back to Contents Removing the Processor Module Processor ModuleReplacing the Processor Module Page Removing the Processor Thermal-Cooling Assembly Processor Thermal-Cooling AssemblyReplacing the Processor Thermal-Cooling Assembly Back to Contents Removing the Display Assembly Display AssemblyDisplay Replacing the Display Assembly Removing the Display Bezel Display BezelReplacing the Display Bezel Display PanelRemoving the Display Panel Replacing the Display Panel Display LatchRemoving the Display Latch Page Removing the Camera and Microphone Assembly Camera and Microphone AssemblyReplacing the Display Latch Replacing the Camera and Microphone Assembly Removing the Fan FanReplacing the Fan Removing the Fan Replacing the FanBack to Contents Removing the FCM Flash Cache Module FCMReplacing the FCM Removing the FCM Replacing the FCMRemoving the Graphics Card Assembly Graphics Card AssemblyReplacing the Graphics Card Assembly Back to Contents Removing a Hard Drive Hard DriveRemoving a Hard Drive Replacing a Hard Drive Replacing a Hard Drive Removing the Hinge Cover Hinge CoverReplacing the Hinge Cover Removing the Hinge Cover Replacing the Hinge CoverRemoving the Keyboard KeyboardReplacing the Keyboard Removing the Keyboard Replacing the KeyboardBack to Contents Removing the Battery Latch Assembly Battery Latch AssemblyReplacing the Battery Latch Assembly Back to Contents Removing a Memory Module MemoryDimm a Memory Module Dimm B Memory ModuleReplacing a Memory Module Dimm B Memory Module Back to Contents Removing a Mini Card Wireless Mini CardsWlan Card Removing a Mini Card Replacing a Mini CardMobile Broadband or Wwan Card Page Wpan Card Replacing a Mini Card Back to Contents Removing the Modem ModemReplacing the Modem Removing the Modem Replacing the ModemBack to Contents Removing the Optical Drive Optical DriveReplacing the Optical Drive Removing the Optical Drive Replacing the Optical DriveRemoving the Palm Rest Palm RestRemoving the Palm Rest Replacing the Palm Rest Replacing the Palm Rest ExpressCard Blanks ExpressCardsRemoving an ExpressCard or Blank Installing an ExpressCard or Blank USB Connector Pin Assignments for I/O ConnectorsVideo Connector Video TV-Out ConnectorConnector Removing the Speaker Assembly Speaker AssemblyReplacing the Speaker Assembly Back to Contents Removing the System Board Assembly System Board AssemblyRemove the processor see Removing the Processor Module Replace the processor see Replacing the Processor Module Replacing the System Board AssemblyBack to Contents Back to Contents