Dell LM P-133ST manual Device, Remove the I/R device from the top assembly

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I/R Device

recess

top
assembly	I/R lens

I/R connector

Figure 4-29. I/R Device Removal

To remove the infrared (I/R) device, follow these steps:

1.Remove the top assembly.

See “Top Assembly” found earlier in this section.

2.Disconnect the I/R device connector from the status display board.

3.Dislodge the I/R device from the recess on the top assembly.

Thread the I/R connector and wires through the opening on the top assembly.

4.Remove the I/R device from the top assembly.

4-36 Dell Latitude LM Systems Service Manual

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Contents 659,&0$18$ Page Contents Chapter Beep Codes and Error Messages Chapter Removing and Replacing PartsIndex FiguresTables Page Read This First Page Xii System Features System OverviewPhysical Description Front View of the Portable ComputerKeyboard Indicators Status DisplayDiskette-Drive Access Indicator Password Battery Charge GaugeSystem Power Power ConservationInterrupt Assignments Interrupt AssignmentsTechnical Specifications Technical SpecificationsConnectors Video Keyboard Main Battery AC Adapter Environmental Computer Initial User Contact Visual InspectionPage Observing the Boot Routine If an external monitor is connected, verify the followingIf an external mouse is connected, verify the following Page Eliminating Resource Conflicts Getting HelpPage Beep Codes and Error Messages Post Beep CodesPost Beep Codes System Error Messages System Error MessagesParity error in system Faulty main board Timer circuit on main Faulty main board Running the Dell Diagnostics Removing and Replacing Parts Recommended ToolsScrew Identification and Tightening Screw IdentificationPrecautionary Measures Main Battery RemovalRemove the hard-disk drive assembly Hard-Disk Drive RemovalDiskette Drive, Secondary Battery, or CD-ROM Removal Remove any PC CardsZIF Connectors Releasing a ZIF ConnectorExploded Views of Components and Assemblies Exploded View-Computer10. Exploded View-LCD Assembly 11. Exploded View-Top Assembly 12. Exploded View-Bottom Assembly Factory Repair Parts and Assemblies Factory Repair Parts and AssembliesSVC,SYS,PLN,LMP133ST BRKT,HD,12.5MM,LMP LCD,TFT,SVGA,12.1,LMP,IBM CVR,HNG,CTR,LMP TSH,WUE,SVC,LMP Naming Conventions Deleting the Password 13. Capacitor C146 LocationRemove the hard-disk drive assembly from the computer Hard-Disk DriveLift the hard-disk drive out of the bottom case 15. Diskette Drive Assembly Diskette DriveCD-ROM Memory Module 17. Memory Module RemovalLCD Assembly 18. LCD Assembly RemovalRemove the LCD assembly Front BezelLCD Panel Remove the front bezelInverter Board MicrophoneLCD Assembly Latches 22. LCD Assembly Latches RemovalPower/Suspend Indicator Remove the power/suspend indicatorBack Bezel Remove the inverter boardRemove the latches Keyboard 25. Keyboard RemovalRemove the keyboard from the computer Top Assembly Production NoteSeparate the top assembly from the bottom assembly Disconnect the status-display board connectorRemove the top assembly from the computer Remove the keyboardRemove the top assembly SpeakersRemove the status display board from the top assembly Status Display BoardRemove the I/R device from the top assembly DevicePower Button Remove power buttonRemove the power button and spring from the top assembly Remove the status display boardTouch Pad Remove the touch pad buttonsBottom Assembly 32. Bottom AssemblyProcessor Board Open the cover Remove the keyboardRemove the processor board from the main board Power Supply Board Open the cover Remove the top assemblyRemove the power supply board from the main board Audio Board 35. Audio Board RemovalRemove the power supply board Main BoardRemove the audio card Remove the black mylar cover on the PC Card cageBend the options bay wall see Figure Remove the main boardCache Board Open the cover Remove the main boardPage Index Eliminating resource conflicts Error messages, 3-3,3-6 Speaker removal Specifications technical Standby mode Status display board removal