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HP B1270TU Remove the display panel frame 2 from the display panel, Remove the backlight cover

Models: B1225TU B1205VU B1283TU B1227TU

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10. Remove the display panel frame (2) from the display panel.

11. Remove the screws (1) that secure the backlight cover to the display panel.

12. Lift the top edge of the backlight cover (2) and swing it outward.

13. Remove the backlight cover.

14. Turn the display panel right-side up.

Display 131

Page 139

Image 139

HP B1270TU, B1201VU, B1203VU Remove the display panel frame 2 from the display panel, Remove the backlight cover, Display

Contents

Compaq Presario B1200 Notebook PC Maintenance and Service GuideCopyright 2007 Hewlett-Packard Development Company, L.P Safety warning notice iv Safety warning notice Illustrated parts catalog Table of contentsRemoval and replacement procedures 1 Product description 2 External component identificationSpecifications Setup UtilityScrew listing Recycling 8 Backup and Recovery9 Connector pin assignments Power cord set requirementsPage Category 1 Product descriptionDescription Category 2 Chapter 1 Product descriptionDescription Category Integrated personal area network PAN options by way of BluetoothDescription Description Serviceability4 Chapter 1 Product description CategoryDescription 2 External component identificationDisplay components ComponentFunction Top componentsPointing devices ComponentComponent ButtonsControl Panel System and Maintenance Power Optionsesc key KeysComponent FunctionComponent LightsDescription Description Blinking The volume scroll zone is being used to decrease10 Chapter 2 External component identification ComponentFunction Front componentsProduces sound when connected to optional powered stereo ComponentFunction Left-side components12 Chapter 2 External component identification ComponentConnects an optional S-Video device such as a television Right-side componentsComponent FunctionFunction Bottom components14 Chapter 2 External component identification ComponentSerial number location 3 Illustrated parts catalog16 Chapter 3 Illustrated parts catalog Computer major componentsDescription RTC batterySpeaker assembly Bluetooth modulenumber 18 Chapter 3 Illustrated parts catalogDescription Spare partBroadcom 802.11a/b/g WLAN modules DescriptionSpare part numbernumber 20 Chapter 3 Illustrated parts catalogItem Description Spare partCable Kit Cable KitItem Description Spare part numberPlastics Kit Plastics KitItem Description Spare part numberDescription Mass storage devicesItem Description Spare part numberSpare part number Miscellaneous parts24 Chapter 3 Illustrated parts catalog DescriptionSpare part Description number Sequential part number listingSpare part Description number 26 Chapter 3 Illustrated parts catalognumber Sequential part number listingSpare part Descriptionnumber 28 Chapter 3 Illustrated parts catalogSpare part DescriptionTools required 4 Removal and replacement proceduresPreliminary replacement requirements Service considerationsDrive handling Cables and connectorsElectrostatic discharge damage Grounding guidelinesWorkstation guidelines Packaging and transporting guidelinesMaterial Equipment guidelinesVoltage protection level Unknown user password Serial number Component replacement procedures36 Chapter 4 Removal and replacement procedures Computer feetBattery Camera module 7. Disconnect the camera module cable 2 from the camera module Component replacement procedures8. Remove the camera module and bracket 40 Chapter 4 Removal and replacement procedures Reverse this procedure to reassemble and install the camera module10. Remove the camera module bracket 2 from the camera module Hard drive 8. Lift the bracket 2 straight up to remove it from the hard drive Reverse this procedure to reassemble and install the hard drive42 Chapter 4 Removal and replacement procedures 6. Remove the hard drive 4 from the hard drive bayMemory module 44 Chapter 4 Removal and replacement procedures Reverse this procedure to install a memory moduleDescription WLAN moduleSpare part number 2. Disconnect all external devices connected to the computer 4. Remove the battery see Battery on page Remove the WLAN module46 Chapter 4 Removal and replacement procedures Before removing the WLAN module, follow these stepsComponent replacement procedures Reverse this procedure to install the WLAN moduleOptical drive Component replacement procedures Reverse this procedure to reassemble and install an optical drive7. Remove the optical drive bracket Keyboard Component replacement procedures 8. Remove the keyboard Reverse this procedure to install the keyboardSwitch cover 5. Disconnect the LED board cable 1 from the system board 6. Remove the switch coverReverse this procedure to install the switch cover Component replacement proceduresDisplay assembly 6. Disconnect the camera cable 2 from the system board 9. Lift the display assembly 2 straight up and remove itComponent replacement procedures 5. Disconnect the display panel cable 1 from the system board56 Chapter 4 Removal and replacement procedures 17. Remove the display panel 2 from the display enclosure Component replacement procedures58 Chapter 4 Removal and replacement procedures Reverse this procedure to reassemble and install the display assemblya. Hard drive see Hard drive on page d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page Top cover3. Turn the computer right-side up, with the front toward you 60 Chapter 4 Removal and replacement procedures2. Remove the following 2 Seven Phillips PM2.5×7.0 screws 3 Three Phillips PM2.0×3.0 screwsComponent replacement procedures Reverse this procedure to install the top cover7. Lift the top cover 3 straight up and remove it e. Display assembly see Display assembly on page RTC batteryf. Top cover see Top cover on page d. Switch cover see Switch cover on pageReverse this procedure to install the RTC battery 2. Remove the RTC batteryComponent replacement procedures a. Hard drive see Hard drive on page Front LED boardd. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageb. Optical drive see Optical drive on page Bluetooth moduled. Switch cover see Switch cover on page a. Hard drive see Hard drive on pagee. Display assembly see Display assembly on page Speaker assemblyf. Top cover see Top cover on page d. Switch cover see Switch cover on page 4. Remove the battery see Battery on pagea. Hard drive see Hard drive on page e. Display assembly see Display assembly on page g. Bluetooth module see Bluetooth module on pageMicrophone d. Switch cover see Switch cover on pageWLAN module see WLAN module on page ExpressCard assembly see ExpressCard assembly on pageSystem board Memory module see Memory module on page70 Chapter 4 Removal and replacement procedures Reverse this procedure to install the system boarde. Display assembly see Display assembly on page ExpressCard assemblyh. System board see System board on page d. Switch cover see Switch cover on page3. Turn the system board right-side up, with the left side toward you 4. Remove the ExpressCard assembly from the system boardReverse this procedure to install the ExpressCard assembly 72 Chapter 4 Removal and replacement proceduresg. Bluetooth module see Bluetooth module on page Modem moduled. Switch cover see Switch cover on page e. Display assembly see Display assembly on page4. Remove the modem module and modem module cable 74 Chapter 4 Removal and replacement proceduresa. Hard drive see Hard drive on page d. Switch cover see Switch cover on pagee. Display assembly see Display assembly on page g. Bluetooth module see Bluetooth module on page76 Chapter 4 Removal and replacement procedures Reverse this procedure to install the fan4. Remove the fan 3 from the heat sink e. Display assembly see Display assembly on page Heat sinkh. System board see System board on page i. Fan see Fan on page d. Switch cover see Switch cover on page78 Chapter 4 Removal and replacement procedures Reverse this procedure to install the heat sink3. Remove the heat sink 3 by lifting it straight up g. Bluetooth module see Bluetooth module on page Processord. Switch cover see Switch cover on page e. Display assembly see Display assembly on pageRemove the processor i. Fan see Fan on page j. Heat sink see Heat sink on pageStarting the Setup Utility 5 Setup UtilityChanging the language of the Setup Utility Displaying system information Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility 2. Select Exit Load Setup Defaults, and then press enterMain menu Using advanced Setup Utility featuresClosing the Setup Utility Setup Utility menusSelect System Configuration menuDiagnostics menu Security menuComputer specifications 6 SpecificationsMetric Metric 12.1-inch, WXGA display specifications86 Chapter 6 Specifications Metric120-GB Hard drive specifications200-GB 160-GB88 Chapter 6 Specifications DVD/CD-RW Combo Drive specificationsDVD-ROM Drive System function System DMA specifications90 Chapter 6 Specifications Hardware DMAHardware IRQ System interrupt specificationsSystem function I/O address hex System I/O address specifications92 Chapter 6 Specifications System function shipping configurationSystem function shipping configuration System I/O address specificationsI/O address hex Memory address System memory map specifications94 Chapter 6 Specifications SizePhillips PM2.0×4.0 screw 7 Screw listing96 Chapter 7 Screw listing Phillips PM2.0×4.0 screw Where used 3 screws that secure the fan to the heat sinkQuantity Where usedPhillips PM2.0×5.0 captive screw ColorLength Phillips PM2.5×12.0 captive screwColor QuantityLength Phillips PM3.0×4.0 screwColor QuantityLength Phillips PM2.5×4.0 screwColor QuantityWhere used 2 screws that secure the modem module to the system board Where used 2 screws that secure the top cover to the base enclosure102 Chapter 7 Screw listing Quantity Phillips PM2.5×7.0 screwWhere used ColorWhere used 7 screws that secure the top cover to the base enclosure Where used 3 captive screws that secure the keyboard to the computer104 Chapter 7 Screw listing Phillips PM2.5×7.0 screw Where used 2 screws that secure the top cover to the base enclosureLength Phillips PM2.0×3.0 screwColor QuantityPhillips PM2.0×3.0 screw Length Phillips PM2.5×5.0 screwColor QuantityLength Torx T8M2.5×6.0 screwColor QuantityLength Torx T8M2.5×5.0 screwColor QuantityLength Phillips PM2.5×6.0 screwColor QuantityLength Phillips PM2.0×6.0 screwColor QuantityLength Phillips PM2.0×6.0 shoulder screwColor QuantityBacking up your information 8 Backup and RecoveryRecovering system information When to back up1. Select Start Control Panel System and Maintenance System Using system restore pointsWhen to create restore points Create a system restore point3. Click Recovery disc creation, and then click Next Creating recovery discsRestore to a previous date and time 1. Select Start All Programs Recovery Manager Recovery ManagerReinstalling preinstalled programs and drivers Reinstalling software programs and driversa. Select Start Control Panel Programs Uninstall a program Select Start All Programs Recovery Manager Recovery Manager Performing a recoveryRecovering from the recovery discs Recovering from the partition on the hard drive4. Click Remove recovery partition, and then click Next Deleting the recovery partition on the hard driveUpdating reinstalled software 2. Select Start All Programs Recovery Manager Recovery ManagerSignal 9 Connector pin assignmentsAudio-out headphone Audio-in microphoneSignal External monitorExternal monitor 122 Chapter 9 Connector pin assignments RJ-11 modemSignal Signal RJ-45 networkRJ-45 network 124 Chapter 9 Connector pin assignments S-Video-outSignal Signal Universal Serial BusUniversal Serial Bus Requirements for all countries and regions 10 Power cord set requirementsApplicable note number Requirements for specific countries and regionsCountry/region Accredited agency11 Recycling BatteryDisplay 3. Remove the display bezel Perform the following steps to disassemble the display assemblyDisplay 7. Turn the display panel assembly upside down 6. Remove the display panel assembly 2 from the display enclosure130 Chapter 11 Recycling 14. Turn the display panel right-side up 10. Remove the display panel frame 2 from the display panel12. Lift the top edge of the backlight cover 2 and swing it outward 13. Remove the backlight cover17. Remove the backlight frame from the display panel 16. Turn the display panel upside down132 Chapter 11 Recycling 23. Remove the LCD panel 24. Recycle the LCD panel and backlight 18. Remove the backlight from the backlight frame19. Disconnect the display panel cable 1 from the LCD panel 21. Release the LCD panel 3 from the display rear panelIndex memory module compartment ExpressCard assemblyvolume mute Ethernet, product descriptionPage