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Hitachi 2730P manual RJ-11modem

Models: 2730P

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Page 108

RJ-11 (modem)

Connector pin assignments

RJ-11 (modem)

Pin	Signal

1	Unused

2	Tip

3	Ring

4	Unused

5	Unused

6	Unused

9–4	Maintenance and Service Guide

Image 108

Hitachi 2730P manual RJ-11modem

Contents

Maintenance and Service Guide HP EliteBook 2730p Notebook PCDocument Part Number: OctoberPage First Edition: October Document Part Number: MSG revision history Safety warning notice Page 4 Removal and replacement procedures 1Product description2External component identification 3 Illustrated parts catalog5 Computer Setup 6 Specifications8 Backup and recovery 7 Screw listing9 Connector pin assignments 10Power cord set requirements11Recycling IndexProduct description Category Category Restore media ServiceabilityCategory DescriptionWireless antenna locations External component identificationTop components Display components Buttons and switches Keys ItemComponent DescriptionLights Pointing devices ItemComponent DescriptionFront components System and Maintenance > Power OptionsItem ComponentRight-sidecomponents Left-sidecomponents Pen holder Rear components Bottom components Illustrated parts catalog Serial number locationComputer major components Illustrated parts catalogItem Description Item Item DescriptionSpare Part Number WLAN moduleHard drive connector cable not illustrated ItemDescription Spare Part NumberCable Kit Item DescriptionSpare part number Cable KitMass storage devices Illustrated parts catalogPlastics Kit ItemDescription Spare part numberMiscellaneous parts Power cordsDescription Spare part numberSequential part number listing Spare part numberDescription 487330-002 501493-001 501495-001 Removal and replacement procedures Preliminary replacement requirementsService considerations Cables and connectorsGrounding guidelines Drive handlingElectrostatic discharge damage Packaging and transporting guidelines Typical electrostatic voltage levelsRelative humidity EventWorkstation guidelines Equipment guidelinesUnknown user password Component replacement procedures Serial number locationComputer feet Removal and replacement proceduresMaintenance and Service Guide Battery Page Hard drive 4.Remove the hard drive bracket WLAN module 4.Remove the battery see “Battery” on page Remove the WLAN module WWAN module Memory module Keyboard Maintenance and Service Guide4–17 Before removing the keyboard, follow these steps 3.Open the computer as far as possible Hinge cover a.SIM see “SIM” on pageb.Hard drive cover see “Hard drive” on page c.Keyboard see “Keyboard” on pageTop cover d.Hinge cover see “Hinge cover” on pagea.SIM see “SIM” on page b.Hard drive cover see “Hard drive” on page4.Open the computer as far as possible RTC battery e.Top cover see “Top cover” on pagea.SIM see “SIM” on page b.Hard drive cover see “Hard drive” on pageAudio connector board a.SIM see “SIM” on pageb.Hard drive cover see “Hard drive” on page c.Keyboard see “Keyboard” on pageBluetooth module a.SIM see “SIM” on pageb.Hard drive cover see “Hard drive” on page c.Keyboard see “Keyboard” on pageg.Bluetooth module see “Bluetooth module” on page Speakera.SIM see “SIM” on page b.Hard drive cover see “Hard drive” on pageDisplay assembly a.SIM see “SIM” on pageb.Hard drive cover see “Hard drive” on page c.Keyboard see “Keyboard” on pageRemove the display assembly Removal and replacement procedures Maintenance and Service Guide4–29 f.Display assembly see “Display assembly” on page RTC battery see “RTC battery” on pageSystem board SIM see “SIM” on pageRemove the system board 6.Position the computer with the front toward you Removal and replacement procedures Maintenance and Service Guide4–33 Fan/heat sink assembly g.System board see “System board” on pagef.Display assembly see “Display assembly” on page a.SIM see “SIM” on page4.Remove the fan/heat sink assembly Modem module f.Display assembly see “Display assembly” on pagea.SIM see “SIM” on page b.Hard drive cover see “Hard drive” on pageComputer Setup Starting Computer SetupUsing Computer Setup Navigating and selecting in Computer SetupComputer Setup menus Restoring factory settings in Computer SetupFile menu Security menu Diagnostics menu System Configuration menuDevice Configurations Port Options all are enabled by default Specifications Computer specifications12.1-inch,WXGA display specifications Hard drive specificationsSystem DMA specifications System interrupt specificationsHardware DMA System functionSystem I/O address specifications System function shipping configurationI/O address hex 0C0- 0DF System memory map specifications SizeMemory address System functionScrew listing Phillips PM2.0×5.0 captive screwPhillips PM2.0×3.0 screw Phillips PM2.0×4.0 screw Where usedTorx T8M2.0×8.0 screw Torx T8M2.0×5.0 screw Maintenance and Service GuideScrew listing Phillips PM2.0×5.0 screw Screw listingMaintenance and Service Guide Screw listingPhillips PM2.0×4.0 screw Screw listingTorx T8M2.5×6.0 screw Phillips PM2.5×7.0 captive screw Backup and recovery Backup and recovery in Windows VistaOverview Backing up your informationPerforming a recovery Using the Windows recovery tools Using f114.Select Repair your computer 6.Select Repair your computer Backup and recovery in Windows XP OverviewBacking up your information Recovering your information Recovering the operating system and programsPerforming a recovery Connector pin assignments 1394Signal Audio-inmicrophone Audio-outheadphoneExternal monitor RJ-11modem RJ-45network Universal Serial Bus +5 VDCData Data +Power cord set requirements Requirements for all countries and regionsRequirements for specific countries and regions Country/regionAccredited agency Applicable note numberBattery RecyclingDisplay 3.Remove the display bezel 7.Turn the display panel assembly upside down 13.Remove the backlight cover Maintenance and Service Guide 16.Turn the display panel upside down18.Remove the backlight from the backlight frame Recycling23. Remove the LCD panel Index Page Page