HP Pavilion Dv9400 Entertainment Notebook Pc Series Service Guide
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Removal and Replacement Procedures Maintenance and Service Guide 5–25 8. Release the zero insertion force (ZIF) connector 1 to which the LED board cable is connected and disconnect the cable2 from the LED board. 9. Remove the switch cover. Disconnecting the LED Board Cable Reverse the above procedure to install the switch cover.
5–26 Maintenance and Service Guide Removal and Replacement Procedures 5.11 Keyboard 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the switch cover (Section 5.10). Keyboard Spare Part Number Information For use in the following countries and regions: Belgium Denmark, Finland, Norway, and Sweden France French Canada Germany Greece Israel Italy Japan441541-A41 441541-DH1 441541-051 441541-121 441541-041 441541-151 441541-BB1 441541-061 441541-291Latin America Netherlands Portugal Russia Saudi Arabia Spain Switzerland Thailand Tu r k e y United Kingdom United States441541-161 441541-B31 441541-131 441541-251 441541-171 441541-071 441541-111 441541-281 441541-141 441541-031 441541-001
Removal and Replacement Procedures Maintenance and Service Guide 5–27 3. Remove the Phillips PM2.5×7.0 screw that secures the keyboard to the computer. Removing the Keyboard Screw, Part 1
5–28 Maintenance and Service Guide Removal and Replacement Procedures 4. Turn the computer display-side up with the front panel toward you. 5. Open the computer as far as possible. 6. Remove the three silver Phillips PM2.5×5.0 screws that secure the keyboard to the computer. Removing the Keyboard Screws, Part 2
Removal and Replacement Procedures Maintenance and Service Guide 5–29 7. Lift the rear edge of the keyboard 1 until it rests at an angle. 8. Slide the keyboard 2 back to disengage the tabs on the front edge of the keyboard from the top cover. 9. Swing the keyboard 3 forward until it rests on the palm rest. Releasing the Keyboard
5–30 Maintenance and Service Guide Removal and Replacement Procedures 10. Release the ZIF connector 1 to which the keyboard cable is connected and disconnect the keyboard cable 2 from the system board. Disconnecting the Keyboard Cable 11. Remove the keyboard. Reverse the above procedure to install the keyboard.
Removal and Replacement Procedures Maintenance and Service Guide 5–31 5.12 Speaker Assembly 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the switch cover (Section 5.10). 3. Remove the keyboard (Section 5.11). 4. Disconnect the speaker assembly cable 1 from the power button board. 5. Remove the the wireless antenna cables and microphone cable from the clips 2 in the speaker assembly. Releasing the Speaker Assembly Speaker Assembly Spare Part Number Information Speaker assembly 432994-001
5–32 Maintenance and Service Guide Removal and Replacement Procedures 6. Remove the two black Phillips PM2.5×5.0 screws 1 that secure the speaker assembly to the computer. 7. Remove the speaker assembly 2. Removing the Speaker Assembly Reverse the above procedure to install the speaker assembly.
Removal and Replacement Procedures Maintenance and Service Guide 5–33 5.13 Power Button Board 1. Prepare the computer for disassembly (Section 5.3). 2. Remove the switch cover (Section 5.10). 3. Remove the keyboard (Section 5.11). 4. Disconnect the following cables from the power button board: 1 Display lid switch module cable 2 Microphone cable 3 Speaker assembly cable 5. Release the ZIF connector 4 to which the power button board cable is connected and disconnect the cable 5. Disconnecting the Power Button Board Cables Power Button Board Spare Part Number Information Power button board (includes power button board cable) 432987-001
5–34 Maintenance and Service Guide Removal and Replacement Procedures 6. Remove the silver Phillips PM2.5×5.0 screw 1 that secures the power button board to the computer. 7. Remove the power button board 2. Removing the Power Button Board Reverse the above procedure to install the power button board.