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HP CQ35-128TX manual Remove the system board, Bluetooth module cable 3 Audio board cable, 4-42

Models: CQ35-103TX CQ35-230TX CQ35-126TX CQ35-220TU CQ35-227TX

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Remove the system board:

Removal and replacement procedures

Remove the system board:

1.Disconnect the following cables from the system board: 1 LED board cable

2 Bluetooth module cable

3 Audio board cable

2. Remove the two Phillips PM2.5×4.0 screws that secure the system board to the base enclosure.

4–42	Maintenance and Service Guide

Image 78

HP CQ35-128TX Remove the system board, Bluetooth module cable 3 Audio board cable, Removal and replacement procedures

Contents

Maintenance and Service Guide Compaq Presario CQ35 Notebook PCDocument Part Number Page Copyright 2009 Hewlett-Packard Development Company, L.P First Edition May Document Part NumberSafety warning notice 3 Illustrated parts catalog 4 Removal and replacement procedures1 Product description 2 External component identification Contents8 Backup and recovery 5 Setup Utility6 Specifications 7 Screw listing11Recycling 9 Connector pin assignments10Power cord set requirements IndexMaintenance and Service Guide Product description Maintenance and Service GuideContinued UMA graphics Product descriptionDiscrete graphics CategoryMaintenance and Service Guide ContinuedProduct description 2 wireless antennas built into display assembly Product descriptionContinued Discrete graphics Power requirementsMaintenance and Service Guide UMA graphicsHard drive Memory modules RTC battery Optical drive WLAN module Product descriptionWWAN module Display components External component identificationTop components Maintenance and Service GuideButtons and fingerprint reader select models only External component identificationesc key KeysMaintenance and Service Guide fn keyLights External component identificationPointing devices Maintenance and Service GuideExternal component identification Front components Left-side componentsExternal component identification Right-side components Maintenance and Service GuideExternal component identification Bottom components External component identificationregion. If you replace the module and then receive a warning message Service tag Illustrated parts catalogMaintenance and Service Guide Computer major components Maintenance and Service GuideIllustrated parts catalog Item Description Maintenance and Service GuideIllustrated parts catalog ContinuedItem Description BatteryIllustrated parts catalog Intel Core2 Duo processorsMaintenance and Service Guide Broadcom 4322AGN 802.11a/b/g/n WLAN module for use in CanadaContinued Illustrated parts catalog Item Description20 WLAN module continued 802.11a/b/g WLAN module Display assembly subcomponents Maintenance and Service GuideIllustrated parts catalog Illustrated parts catalog Plastics KitMaintenance and Service Guide 1 ExpressCard slot bezelIllustrated parts catalog Mass storage devicesMaintenance and Service Guide Item DescriptionIllustrated parts catalog Miscellaneous partsPower cords DescriptionIllustrated parts catalog Sequential part number listingMaintenance and Service Guide ContinuedDescription Illustrated parts catalogSpare part number ContinuedDescription Maintenance and Service GuideSpare part number ContinuedDescription Illustrated parts catalogSpare part number 3-14Service considerations Removal and replacement proceduresPreliminary replacement requirements Cables and connectorsGrounding guidelines Drive handlingElectrostatic discharge damage Packaging and transporting guidelines Workstation guidelines Equipment guidelinesComponent replacement procedures Service tagBattery Computer feetRemove the battery Hard drive 7. Remove the hard drive 4 from the hard drive bay Memory module Maintenance and Service Guide WLAN moduleRemoval and replacement procedures ContinuedBefore removing the WLAN module, follow these steps 4. Remove the battery see “Battery” on pageRemoval and replacement procedures 2. Disconnect all external devices connected to the computerRemove the WLAN module Reverse this procedure to install the WLAN module RTC battery Removal and replacement proceduresOptical drive a. Position the optical drive with the rear toward you Keyboard 2. Turn the computer display-side up with the front toward you Keyboard cover 2. Turn the computer display-side up with the front toward you Right speaker b. Keyboard see “Keyboard” on pagec. Keyboard cover see “Keyboard cover” on page b. Optical drive see “Optical drive” on page Top covera. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pageRemove the top cover 3. Disconnect the left speaker cable 1 from the system board Maintenance and Service Guide Reverse this procedure to install the top coverRemoval and replacement procedures 12. Lift the rear edge 1 of the top cover until it rests at an anglea. Hard drive see “Hard drive” on page Fingerprint reader boardf. Top cover see “Top cover” on page b. Optical drive see “Optical drive” on pageb. Optical drive see “Optical drive” on page Left speakera. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pagea. Hard drive see “Hard drive” on page Display assemblyg. Left speaker see “Left speaker” on page b. Optical drive see “Optical drive” on pageRemove the display assembly 531800-001-for use only with computer models equipped with a webcam 8. Disconnect the webcam module cable 2 from the webcam module 12. If it is necessary to replace the display hinges, remove the six Phillips PM2.0×3.0 screws 1 that secure the hinges to the display panel 17. If it is necessary to replace the wireless antenna transceivers and cables, release the tabs 1 built into the display enclosure shielding Reverse this procedure to reassemble and install the display assembly b. Optical drive see “Optical drive” on page LED boarda. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pageb. Optical drive see “Optical drive” on page Bluetooth modulea. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pageb. Optical drive see “Optical drive” on page Audio boarda. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pageb. Optical drive see “Optical drive” on page USB boarda. Hard drive see “Hard drive” on page c. Keyboard see “Keyboard” on pagea. Hard drive see “Hard drive” on page Power connector and cablee. Display assembly see “Display assembly” on page b. Optical drive see “Optical drive” on pageHeat sink see “Fan/heat sink assembly” on page j. Display assembly see “Display assembly” on pageRTC battery see “RTC battery” on page System boardMaintenance and Service Guide 2 Bluetooth module cable 3 Audio board cableRemoval and replacement procedures Remove the system boardReverse this procedure to install the system board j. Display assembly see “Display assembly” on page Fan/heat sink assemblyk. System board see “System board” on page a. Hard drive see “Hard drive” on pageRemove the fan/heat sink assembly The thermal material must be thoroughly cleaned from the surfaces of the fan/heat sink assembly and the system board each time the fan/heat sink assembly is removed 5. Remove the fan/heat sink assembly Reverse this procedure to install the fan/heat sink assembly e. Optical drive see “Optical drive” on page d. RTC battery see “RTC battery” on pageProcessor f. Keyboard see “Keyboard” on pagek. System board see “System board” on page i. Display assembly see “Display assembly” on pagej. Top cover see “Top cover” on page 2. Lift the processor 2 straight up and remove itUsing the Setup Utility Setup UtilityStarting the Setup Utility Changing the language of the Setup UtilityDisplaying system information Navigating and selecting in the Setup UtilityRestoring default settings in the Setup Utility Setup UtilityMain menu Setup Utility menusExiting the Setup Utility Security menuSystem Configuration menu Diagnostics menuSetup Utility Specifications Computer specificationsMaintenance and Service Guide 13.3-in display specifications SpecificationsHard drive specifications Maintenance and Service GuideSpecifications Access time Blu-ray ROM DVD±R/RW SuperMulti DL Drive specificationsSpecifications Applicable discAccess time DVD±RW and CD-RW SuperMulti Double-Layer Drive specificationsSpecifications Transfer modeHardware System DMA specificationsSpecifications DMA System functionMaintenance and Service Guide System memory map specificationsSpecifications SizeHardware IRQ System interrupt specificationsSpecifications System functionSystem function shipping configuration System I/O address specificationsSpecifications Maintenance and Service GuideI/O address hex SpecificationsSystem function shipping configuration 6-10Where used Screw listingPhillips PM2.5×6.0 captive screw Phillips PM3.0×4.0 screw Maintenance and Service GuideScrew listing Maintenance and Service Guide Phillips PM2.0×4.0 screwWhere used One screw that secures the right speaker to the computer Screw listingMaintenance and Service Guide Where used 5 screws that secure the top cover to the computerWhere used 1 One screw that secures the LED board to the base enclosureMaintenance and Service Guide Phillips PM2.0×9.0 screwWhere used 1 One screw that secures the optical drive to the computerPhillips PM2.0×3.0 screw Maintenance and Service GuideScrew listing Where used 2 screws that secure the optical drive bracket to the optical drive Maintenance and Service Guide Screw listingMaintenance and Service Guide Phillips PM2.5×9.0 screwWhere used 2 screws that secure the keyboard cover to the computer Screw listingPhillips PM2.0×2.5 broadhead screw Where usedMaintenance and Service Guide Phillips PM2.5×6.0 screwWhere used 2 screws that secure the display assembly to the computer Screw listingScrew listing Phillips PM2.5×4.0 screwMaintenance and Service Guide 7-12Screw listing Where used 2 screws that secure the system board to the computerMaintenance and Service Guide 7-13Screw listing Phillips PM2.0×7.0 captive screwMaintenance and Service Guide 7-14Backup and recovery Creating recovery discsOverview 3. Click Recovery disc creation, and then click Next When to back upBackup suggestions Backing up your informationCreate a system restore point Using system restore pointsWhen to create restore points Restore to a previous date and timeRecovering from the dedicated recovery partition select models only Performing a recoveryRecovering from the recovery discs Select Start All Programs Recovery Manager Recovery ManagerAudio-out headphone Connector pin assignmentsAudio-in microphone Maintenance and Service GuideExternal monitor Connector pin assignmentsSignal HDMIConnector pin assignments Maintenance and Service GuideConnector pin assignments RJ-45 networkUniversal Serial Bus SignalPower cord set requirements Requirements for all countries and regionsCountry/region Requirements for specific countries and regionsPower cord set requirements Accredited agencyBattery RecyclingDisplay 3. Remove the display bezel Perform the following steps to disassemble the display assemblyMaintenance and Service Guide Recycling6. Remove the display panel assembly 2 from the display enclosure 10. Remove the display panel frame 2 from the display panel 17. Remove the backlight frame from the display panel Maintenance and Service Guide16. Turn the display panel upside down 18. Remove the backlight from the backlight frame21. Release the LCD panel 3 from the display rear panel Maintenance and Service Guide19. Disconnect the display cable 1 from the LCD panel 23. Remove the LCD panel 24. Recycle the LCD panel and backlightIndex Page Page Page Index-5