HP Omnibook Xt1500 Service Manual
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Technology Code ID) Removal and Replacement 2-9 Removing the Keyboard Cover (User-Replaceable) Required Equipment • #0 Phillips screwdriver. • Small flat-blade screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. Close the notebook’s display, and remove both screws from the backs of the hinge covers. Figure 2-6. Removing the Keyboard Cover Retaining Screws 3. Open the display so that it lays flat. 4. Use the flat-blade screwdriver to carefully pry up the right end of the keyboard cover just above the Page Up key, then lift the end until the cover unsnaps. Caution W hen removing the keyboard cover, be careful not to pull on the cable that connects the keyboard cover to the notebook. 5. Carefully lift the cover to unsnap the latches above the center One-Touch button and the F1 key, then lift the cover about an inch off of the notebook.
2-10 Removal and Replacement Technology Code ID) 6. Disconnect the keyboard cover switch cable from the motherboard, and remove the cover from the notebook. Figure 2-7. Removing the Keyboard Cover Reassembly Notes • Make sure the keyboard cover switch cable is securely connected to the motherboard. • Bend the center of the keyboard cover upward slightly, and insert the tabs on the ends of the cover into the slots in the notebook’s case. Fit the hinge covers over the hinges, and gently press the cover into place.
Technology Code ID) Removal and Replacement 2-11 Removing the Keyboard (User-Replaceable) Required Equipment • #0 Phillips screwdriver. • Small flat-head screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. Remove the keyboard cover (page 2-9). 3. Loosen the three retaining screws along the top of the keyboard (the keyboard may retain the screws). Figure 2-8. Loosening the Keyboard Retaining Screws Caution W hen opening the keyboard, be careful not to pull on the ribbon cable that connects the keyboard to the notebook. 4. Raise the top of the keyboard, then lift the keyboard up and out of the notebook. 5. Lay the keyboard face down on the top case, forward of its normal position, and disconnect the ribbon cable from the motherboard.
2-12 Removal and Replacement Technology Code ID) Warning Do not touch the metal surfaces inside the notebook until they have cooled off. They could be very hot if the notebook was running recently. Figure 2-9. Disconnecting the Keyboard Reassembly Notes • Lay the keyboard face down on the top case, forward of its normal position, and reconnect the ribbon cable. • Slip the metal tabs on the bottom of the keyboard into their slots in the top case, then lower the keyboard into place.
Technology Code ID) Removal and Replacement 2-13 Removing an SDRAM Module (User-Replaceable) The notebook has no SDRAM built into its motherboard, but has two slots for PC133 SDRAM modules: a system SDRAM slot beneath the keyboard (containing an SDRAM module installed at the factory), and an expansion slot on the bottom of the unit. Caution Provide proper grounding and handle the SDRAM module only by its edges, or you could damage the module through electrostatic discharge. Required Equipment • #0 Phillips screwdriver. Removing an Expansion SDRAM Module Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. On the bottom of the notebook, loosen the screw holding the SDRAM cover (the cover retains the screws), and remove the cover. 3. Press outward to release the latches at the sides of the SDRAM module (so that the free edge of the module pops up), then pull the module out of the connector. Figure 2-10. Removing an Expansion SDRAM Module
2-14 Removal and Replacement Technology Code ID) Reassembly Notes • Carefully press the SDRAM module into the connector at an angle of about 30°, until it is fully inserted. Then press down on both sides of the module until the latches snap closed. Figure 2-11. Installing an Expansion SDRAM Module Removing the System SDRAM Module Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. Remove the keyboard cover (page 2-9). 3. Open the keyboard (page 2-11, steps 1 though 4). You don’t need to disconnect the keyboard cable. 4. Press outward to release the latches at the sides of the SDRAM module (so that the free edge of the module pops up), then pull the module out of the connector. Figure 2-12. Removing the System SDRAM Module Reassembly Notes • Carefully press the SDRAM module into the connector at an angle of about 30°, until it is fully inserted. Then press down on both sides of the module until the latches snap closed.
Technology Code ID) Removal and Replacement 2-15 Replacing Small Parts (User-Replaceable) The user can replace the following small parts. Table 2-4. Replacing Small Parts (User-Replaceable) Part Part Numbers Replacement Procedure Cover, mini-PCI Included in door kit F3377-60933 On the bottom of the notebook, loosen the screw in the mini-PCI cover (the cover retains the screw) and remove the cover. Cover, expansion SDRAM Included in door kit F3377-60933 On the bottom of the notebook, loosen the screw in the SDRAM module cover (the cover retains the screw) and remove the cover. Covers, screw (on display bezel) Included in feet/cover kit F3377-60967 Insert a small flat-blade screwdriver under the cover and pry it loose. To replace, firmly press the adhesive side of the cover into the recess. Feet, rubber Included in feet/cover kit F3377-60967 Insert a small flat-blade screwdriver under the foot and pry it loose. To replace, firmly press the adhesive side of the foot into the recess.
2-16 Removal and Replacement Technology Code ID) Removing the Mini-PCI Card (HP Authorized Service Providers Only) Certain notebook models include a mini-PCI card that contains either a modem or combined modem and 802.11 wireless. Caution Provide proper grounding and handle the card only by its edges, or you could damage it through electrostatic discharge. Required Equipment • #0 Phillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. On the bottom of the notebook, loosen the screw holding the mini-PCI cover (the cover may retain the screw), and remove the cover. 3. Press outward to release the latches at the sides of the card, and carefully lift its free edge up. 4. Disconnect the cable(s) from the card. 5. Gently pull the card out of its connector.
Technology Code ID) Removal and Replacement 2-17 Figure 2-13. Removing the Mini-PCI Card Reassembly Notes • Reattach the cable(s) to the card, and tuck them into the compartment. • Gently press the card into the connector at an angle of about 30°, until it is fully inserted. Then press down on both sides of the card until the latches snap closed.
2-18 Removal and Replacement Technology Code ID) Removing the Display Assembly (HP Authorized Service Providers Only) Required Equipment • #0 Phillips screwdriver. Removal Procedure 1. Unplug the AC adapter, if present, and remove the battery. 2. Remove the keyboard cover (page 2-9). 3. Remove both retaining screws from the bottom of the notebook. Figure 2-14. Removing the Display (1) 4. Open the display so that it lays flat. 5. Remove the screw from the left speaker, and move the speaker to the side. Be careful not to pull on the wires connecting the speaker to the motherboard. 6. Disconnect the display cable and ground wire from the motherboard, and carefully remove the cable from the retaining clip near the left display hinge. 7. If present, disconnect the wireless cables near the right display hinge. 8. Remove the retaining screws from the lugs just below the display hinges. 9. Lift the display off of the notebook. Screws, M2.5x6mm (2)