HP nx7000, X1000 manual System Board

Page 134

Removal and Replacement Procedures

5.21 System Board

Spare Part Number Information

System board (includes thermal pads)	336964-001
PC Card assembly (removal not documented)	337014-001

✎When replacing the system board, ensure that the following components are removed from the defective system board and installed on the replacement system board:

■Memory expansion boards (Section 5.5)

■Mini PCI communications board (Section 5.6)

■RTC battery (Section 5.7)

■Processor (Section 5.14)

■VGA board and shield (Section 5.19)

■Modem and modem cable (Section 5.20)

1.Prepare the notebook for disassembly (Section 5.3) and remove the following components:

❏Optical drive (Section 5.8)

❏Keyboard (Section 5.9)

❏Switch cover (Section 5.10)

❏Speaker cover (Section 5.11)

❏Display assembly (Section 5.12)

❏Top cover (Section 5.16)

5–44	Maintenance and Service Guide

Image 134

Contents Maintenance and Service Guide Page Contents Removal and Replacement Preliminaries Removal and Replacement ProceduresScrew Listing Index Product Description Key ModelsKey Description Options HP Pavilion zt3000 Models Model Naming ConventionDR254A UUF DR259A UUF HP Compaq nx7000 Models DM945A UUF DG705A UUG DJ169S UUZ DL844A UUF DG704A UUG DR850P UUF Compaq Presario X1000 Models DN591A ABGCompaq Presario X1000 Models DM774A ABA DN593A UUF DN583A UUF DM415A ABF DP771E ABU DN599A AKL DN594A UUF Features Product Description Clearing a Password Power Management External Components Front and Left-Side Components Component FunctionRear Panel and Right-Side Components Rear Panel and Right-Side Components Keyboard Components Keyboard Components Num lk keyTop Components Top Components Bottom Components Bottom Components Design Overview Troubleshooting Computer Setup and Diagnostics UtilitiesUsing Computer Setup File Menu Select To Do ThisSelecting from the Security Menu Security MenuSelecting from the Advanced Menu Advanced MenuAdvanced Menu Flowchart Description Troubleshooting FlowchartsTroubleshooting Flowcharts Overview Flowchart 2.1-Initial Troubleshooting Go to Flowchart No PowerFlowchart 2.2-No Power, Part Power? Go to Flowchart No Power Part Power up On AC ResetFlowchart 2.3-No Power, Part Flowchart 2.4-No Power, Part Flowchart 2.5-No Power, Part Flowchart 2.6-No Video, Part Flowchart 2.7-No Video, Part From Flowchart No Video, Part RemoveFlowchart 2.8-Nonfunctioning Port Replicator if applicable Reseat power Cord in portFlowchart 2.9-No Operating System OS Loading Flowchart 2.10-No OS Loading, Hard Drive, Part Flowchart 2.11-No OS Loading, Hard Drive, Part Flowchart 2.12-No OS Loading, Hard Drive, Part Flowchart 2.13-No OS Loading, CD- or DVD-ROM Drive Flowchart 2.14-No Audio, Part Go to Flowchart No Audio, Part UndockFlowchart 2.15-No Audio, Part Flowchart 2.16-Nonfunctioning Device CmosFlowchart 2.17-Nonfunctioning Keyboard Flowchart 2.18-Nonfunctioning Pointing Device Flowchart 2.19-No Network/Modem Connection Illustrated Parts Catalog Serial Number LocationIllustrated Parts Catalog Spare Part Spare Parts Notebook Major ComponentsItem Description Number Display assembliesIllustrated Parts Catalog Spare Part Description NumberIllustrated Parts Catalog Left and right speakers not illustrated PC Card assembly not illustratedLeft and right wireless antennae with cables Heat sink with fanIllustrated Parts Catalog Mini PCI communications boards Battery pack, 8-cell, 4.4-wHMiscellaneous Doors/Covers Kit , includes Memory expansion boardsMiscellaneous Plastics Kit Components Item Description Miscellaneous Cable Kit Components Miscellaneous Cable Kit Components Spare Part NumberMiscellaneous Doors/Covers Kit Components Miscellaneous Doors/Covers Kit Components Spare Part NumberUSB diskette drive not illustrated Mass Storage DevicesMass Storage Devices Spare Part Number Information Description Spare Part Number MiscellaneousMiscellaneous not illustrated Spare Part Information Spare Part Information Miscellaneous not illustratedRemoval and Replacement Preliminaries Tools RequiredService Considerations Plastic PartsPreventing Damage to Removable Drives Packaging and Transporting Precautions Preventing Electrostatic DamageWorkstation Precautions Grounding Equipment and Methods Event 10% 40% 55% Typical Electrostatic Voltage LevelsStatic-Shielding Materials Material Use Voltage Protection LevelRemoval and Replacement Procedures Serial Number # of Screws Disassembly Sequence ChartDisassembly Sequence Chart Section Description RemovedPreparing the Notebook for Disassembly Lift the front edge of the battery pack up and swing it back Remove the hard drive Removing the Hard Drive from the Hard Drive Cover Replacing the Notebook Feet Memory Expansion Board Removing the Memory Expansion Board Mini PCI Communications Board Removing the Mini PCI Communications Board RTC Battery Optical Drive Keyboard Releasing the Keyboard Disconnecting the Keyboard Cable Switch Cover Speaker Cover Reverse the above procedure to install the speaker cover 12 Fan Heat Sink Reverse the above procedure to install the heat sink Processor Reverse the above procedure to install the processor Display Assembly Disconnecting the Display Cable Removing the Display Screws Reverse the above procedure to install the display assembly Top Cover Removing the Top Cover Screws Removal and Replacement Procedures Disconnecting the Bluetooth Wireless Module Speaker Cables Removing the Top Cover Screws Reverse the above procedure to install the top cover Bluetooth Board Reverse the above procedure to install the Bluetooth board SD Card Slot Board and Cable Removing the SD Card Slot Board and Cable VGA Board and Shield Removing the VGA Board and Shield Modem and Cable Reverse the above procedure to install the modem and cable System Board Removing the System Board Screws Reverse the above procedure to install the system board Temperature DimensionsStand-alone power requirements Relative humidity noncondensing ShockInch, Wide UXGA, TFT Display Inch, Wide SXGA+, TFT Display Inch, Wide XGA+, TFT Display Hard Drives 80-GB 60-GB 40-GB 5400 4200 RpmCell, Primary Li-Ion Battery Pack External AC Adapter24X DVD/CD-RW Drive 24X CD-RW Drive 8X DVD-ROM Drive Track pitch Access time 24X CD-ROM DriveSystem DMA Hardware SystemSystem Interrupts IRQSystem I/O Addresses Address System Function16F Unused VGA Pin Signal RJ-45 Network InterfaceTable A-4 Video Table A-2 RJ-11 ModemTable A-3 Universal Serial Bus Table A-5 External Monitor Microphone Pin Signal Audio outPin Signal Audio Table A-8 Parallel Conductor Power Cord Set General RequirementsApplicable Note Conductor Power Cord Set RequirementsCountry-Specific Requirements Country Accredited Agency NumberBSI Screw Listing Head Black Where usedTable C-1 Phillips PM2.5×9.5 Screw Color Qty Length Thread WidthHead Color Qty. Length Thread Width Table C-2 Phillips PM2.5×7.0 Screw Table C-2 Phillips PM2.5×7.0 Screw Silver Where used Table C-3 Phillips PM2.5×3.5 ScrewTable C-4 Phillips PM2.5×5.0 Screw Table C-4 Phillips PM2.5×5.0 Screw Table C-4 Phillips PM2.5×5.0 Screw Table C-4 Phillips PM2.5×5.0 Screw Phillips PM2.5×5.0 Screw Location Table C-4 Phillips PM2.5×5.0 Screw Table C-4 Phillips PM2.5×5.0 Screw Black 15.0 mm Where used Table C-5 Phillips PM2.5×15.0 ScrewTable C-5 Phillips PM2.5×15.0 Screw Table C-5 Phillips PM2.5×15.0 Screw Table C-6 Phillips PM2.5×3.0 Screw Table C-7 Phillips PM2.0×3.0 Screw Table C-8 Phillips PM2.0×9.0 Spring-Loaded Screw Table C-9 Phillips PM1.5×3.0 Screw Index Index Index-3 Index-4 Index-5 Index-6

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