HP R3004AP, R3065US, R3070US, R3060US, R3050US Table A-2 RJ-11 Modem, Table A-3 Universal Serial Bus

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Connector Pin Assignments

Table A-2

RJ-11 Modem

Pin	Signal	Pin	Signal

1	Unused	4	Unused

2	Tip	5	Unused

3	Ring	6	Unused

Table A-3

Universal Serial Bus

Pin	Signal	Pin	Signal

1	+5 VDC	3	Data +

2	Data –	4	Ground

A–2	Maintenance and Service Guide

Image 53

Contents Maintenance and Service Guide Page Contents Screw Listing Index Product Description Features External Components Component Function Front ComponentsRight-Side Components Rear components Rear Panel Components Left-Side Components Wireless Accessories Wireless AccessoriesDesign Overview Before Replacing Parts TroubleshootingProblem Possible Cause Solution Problems and SolutionsPower Problems and Solutions External Device Problems and Solutions Serial Number Location Illustrated Parts CatalogHP Notebook Expansion Base Major Components Description Number Spare PartHP Notebook Expansion Base miscellaneous components Receiver Item Description Number Power cordTools Required Removal and Replacement PreliminariesService Considerations Plastic Parts Preventing Electrostatic DamagePackaging and Transporting Precautions Workstation Precautions Grounding Equipment and Methods Static-Shielding Materials Typical Electrostatic Voltage LevelsEvent 10% 40% 55% Material Use Voltage Protection LevelRemoval and Replacement Procedures Serial Number Disassembly Sequence Chart Disassembly Sequence Chart# of Screws Section Description RemovedPreparing the HP Notebook Expansion Base for Disassembly Spare Part Number Information Base PlateUpper Chassis Removing the rear cover Disconnecting the cables from the system board Reverse the above procedure to install the upper chassis Power Supply Reverse the above procedure to install the power supply System Board Reverse the above procedure to install the system board Front Tray Cover Reverse the above procedure to install the front tray cover Back Panel Expansion Cable Speaker Assembly Reverse the above procedure to install the speaker assembly Front Case HP Notebook Expansion Base SpecificationsInternal AC Adapter Power supplyTable A-1 RJ-45 Network Interface Connector Pin AssignmentsTable A-3 Universal Serial Bus Table A-2 RJ-11 ModemTable A-5 Audio Line-Out Table A-4 VideoTable A-6 Serial Table A-8 Table A-7 Pdif Audio Line-OutGeneral Requirements Power Cord Set RequirementsConductor Power Cord Set Country-Specific Requirements Conductor Power Cord Set RequirementsApplicable Note Country Accredited Agency NumberBSI Screw Listing Color Qty Length Thread Width Table C-1 Phillips PM2.5×17.0 ScrewHead Table C-2 Phillips PM2.0×6.0 Screw Table C-2 Phillips PM2.0×6.0 Screw Table C-2 Table C-4 HM5.0×9.0 Standoff Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0x4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-5 Phillips PM2.0×4.0 Screw Table C-6 Phillips PM2.0×2.0 Screw Index Index Maintenance and Service Guide Index-3

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