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HP R3050EA Speaker Assembly, Spare Part Number Information, Removing the speaker assembly screws

Models: R3015AP R3001AP R3003US R3003XX

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Removal and Replacement Procedures

5.11 Speaker Assembly

Spare Part Number Information

Speaker assembly	347431-001

1.Prepare the Expansion Base for disassembly (Section 5.3).

2.Remove the base plate (Section 5.4).

3.Remove the upper chassis (Section 5.5).

4.Remove the front tray cover (Section 5.8).

✎Although the back panel and expansion cable are not shown in the figure, it is not necessary to remove them.

5.Turn the upper chassis upside down, with the bottom facing you and the speaker assembly facing down.

6.Remove the 6-wire audio control cable 1 and the 4-wire speaker cable 2 from the chassis hole through which they are routed.

7.Remove the two PM2.0×4.0 screws 3 that secure the speaker assembly to the chassis.

Removing the speaker assembly screws

5–18	Maintenance and Service Guide

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HP R3050EA, R3065US, R3070US, R3060US Speaker Assembly, Spare Part Number Information, Removing the speaker assembly screws

Contents

January Maintenance and Service GuideHP Notebook Expansion Base Document Part NumberFirst Edition January Document Part Number Maintenance and Service Guide HP Notebook Expansion Base1 Product Description Contents2 Troubleshooting 4 Removal and Replacement PreliminariesC Screw Listing Index 5 Removal and Replacement Procedures6 Specifications A Connector Pin Assignments B Power Cord Set RequirementsHP Notebook Expansion Base Product Description1.1 Features Product Description 1.2 External ComponentsMaintenance and Service Guide Front componentsProduct Description Front ComponentsComponent FunctionComponent Right-Side ComponentsMaintenance and Service Guide Right-side componentsProduct Description Maintenance and Service GuideRear components Function Rear Panel ComponentsMaintenance and Service Guide ComponentFunction Left-Side ComponentsLeft-Side Components ComponentComponent 1.3 Wireless AccessoriesWireless Accessories Maintenance and Service Guide1.4 Design Overview Before Replacing Parts TroubleshootingSolution Problems and SolutionsPower Problems and Solutions ProblemTroubleshooting External Device Problems and SolutionsProblem Solution3.1 Serial Number Location Illustrated Parts CatalogIllustrated Parts Catalog 3.2 HP Notebook Expansion Base Major ComponentsMaintenance and Service Guide HP Notebook Expansion Base major componentsSpare Parts HP Notebook Expansion Base Speaker assemblyPower supply and shield Maintenance and Service GuideIllustrated Parts Catalog Maintenance and Service GuideHP Notebook Expansion Base miscellaneous components Maintenance and Service Guide Spare Parts HP Notebook Expansion Base Miscellaneous ComponentsWireless mouse 3 Wireless keyboardSpare Part Spare Parts HP Notebook Expansion BaseMiscellaneous Components not illustrated Power cord4.1 Tools Required Removal and Replacement Preliminaries4.2 Service Considerations Plastic Parts 4.3 Preventing Electrostatic DamageCables and Connectors 4.4 Packaging and Transporting Precautions 4.5 Workstation Precautions 4.6 Grounding Equipment and Methods Static-Shielding Materials Typical Electrostatic Voltage LevelsRemoval and Replacement Procedures Serial number location 5.1 Serial NumberRemoval and Replacement Procedures Maintenance and Service GuideMaintenance and Service Guide 5.2 Disassembly Sequence ChartDisassembly Sequence Chart Removal and Replacement Procedures5.3 Preparing the HP Notebook Expansion Base for Disassembly Spare Part Number Information 5.4 Base Plate5.5 Upper Chassis Removing the rear cover Removal and Replacement ProceduresMaintenance and Service Guide 7. Slide the rear cover toward you 2 and remove itRemoval and Replacement Procedures 2 2-wire RJ-11 modem cable 3 50-pin cable 4 6-wire cable5 4-wire power cable Disconnecting the cables from the system board11. Lift the upper chassis straight up 3 and remove it Reverse the above procedure to install the upper chassisRemoval and Replacement Procedures Maintenance and Service GuideSpare Part Number Information 5.6 Power SupplyRemoving the power supply screws 6. Turn the base enclosure right-side up with the rear facing you Removing the system board screws and standoffs 5.7 System BoardSpare Part Number Information 9. Remove the system board from the base enclosure Reverse the above procedure to install the system boardRemoval and Replacement Procedures Maintenance and Service GuideRemoving the front tray cover screws 5.8 Front Tray CoverSpare Part Number Information Reverse the above procedure to install the front tray cover Removing the back panel 5.9 Back PanelSpare Part Number Information Removing the expansion cable clamps and expansion cable 5.10 Expansion CableSpare Part Number Information Spare Part Number Information 5.11 Speaker AssemblyRemoving the speaker assembly screws Maintenance and Service Guide Reverse the above procedure to install the speaker assemblyRemoving the speaker assembly Removal and Replacement ProceduresRemoving the front case 5.12 Front CaseSpare Part Number Information Weight SpecificationsHP Notebook Expansion Base DimensionsMaintenance and Service Guide Internal AC AdapterSpecifications Power supplySignal Connector Pin AssignmentsTable A-1 RJ-45 Network Interface SignalSignal Table A-2 RJ-11 ModemTable A-3 Universal Serial Bus Connector Pin AssignmentsSignal Table A-4S-Video Table A-5 Audio Line-OutSignal Table A-6 SerialConnector Pin Assignments SignalSignal Table A-7 S/PDIF Audio Line-OutVideo Connector Pin AssignmentsGeneral Requirements Power Cord Set Requirements3-Conductor Power Cord Set Applicable Note 3-Conductor Power Cord Set RequirementsCountry-Specific Requirements Power Cord Set RequirementsApplicable Note 3-Conductor Power Cord Set Requirements ContinuedPower Cord Set Requirements Maintenance and Service GuideMaintenance and Service Guide Screw ListingHead Table C-1 Phillips PM2.5×17.0 ScrewWhere used Maintenance and Service GuidePhillips PM2.0×6.0 Screw Where usedMaintenance and Service Guide Table C-2Head Table C-2 Phillips PM2.0×6.0 Screw ContinuedWhere used Maintenance and Service GuideTable C-2 Where usedMaintenance and Service Guide Phillips PM2.0×6.0 Screw ContinuedHead Table C-4 HM5.0×9.0 StandoffWhere used Maintenance and Service GuidePhillips PM2.0×4.0 Screw Where usedMaintenance and Service Guide Table C-5Head Table C-5 Phillips PM2.0x4.0 Screw ContinuedWhere used Maintenance and Service GuidePhillips PM2.0×4.0 Screw Continued Where usedMaintenance and Service Guide Table C-5Head Table C-5 Phillips PM2.0×4.0 Screw ContinuedWhere used Maintenance and Service GuidePhillips PM2.0×4.0 Screw Continued Where usedMaintenance and Service Guide Table C-5Head Table C-6 Phillips PM2.0×2.0 ScrewWhere used Maintenance and Service GuideIndex