HP Omnibook 500 Service Manual

HP Omnibook 500 Removal and Replacement 2-15
  Note: LAN/modem models only
 
You may need to remove the system SDRAM module (page 2-12) to provide enough clearance to
disconnect all mini-PCI cables.
 4.
 Disconnect the cable (modem models only) or cables (LAN/modem models only) from the card.
 5.
 Release the latches at the sides of the card, so that its free edge pops up, and carefully pull the
card out of its connector.
 Figure 2-11. Removing the Mini-PCI Card (modem card shown)
Reassembly Notes
 
•...

2-16 Removal and Replacement HP Omnibook 500
Removing the Switchboard PCA
(User-Replaceable)
Required Equipment
 
• #0 Phillips screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove the power button panel (page 2-9).
 3.
 Remove the retaining screw from the switchboard PCA.
  Caution: Wireless models only
 
W hen removing the switchboard PCA from the computer, be careful not to pull on the wireless
cable that connects the display assembly to the PCA....

HP Omnibook 500 Removal and Replacement 2-17
Replacing Small Parts
(User-Replaceable)
The user can replace the following small parts.
 Table 2-7. Replacing Small Parts (User-Replaceable)
PartReplacement Procedure
Cover, SDRAMFrom the bottom of the computer, remove the screw in the SDRAM module cover,
then remove the cover.
Cover, TrackpointPull the old cover off, and press the new cover into place.
Covers, display hingeUse a flat-blade screwdriver to carefully pry the covers off of the hinges.
Reassembly...

2-18 Removal and Replacement HP Omnibook 500
Removing the Display Assembly
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
 
• Small flat-blade screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove both screws from the back of the computer.
 3.
 Remove the power button panel (page 2-9).
 4.
 
Wireless models only: remove the switchboard PCA (page 2-16).
 5.
 Open the display so that it lays flat, and use a...

HP Omnibook 500 Removal and Replacement 2-19
 
 Figure 2-14. Removing the Display
Reassembly Notes
 
• Make sure the display cable fits in its opening in the computer’s case, and lies behind the clip for
the power button panel, as shown in Figure 2-15, below. Press the cable back onto its connector.
 
 Figure 2-15. Routing the Display Cable
Screw, M2×5mm
Screws, M2×7mm (2)
Screws, M2×9mm (2)
Hinge covers
Screw, M2×3mm 

2-20 Removal and Replacement HP Omnibook 500
 
• Note that the right display hinge cover has a microphone icon on its front surface.
  Important
 
After replacing the display, check the display type shown on the display’s flex cable connector.
If the new display is not the same type as the old display, you must use the Service Utilities floppy
disk to reprogram the computer’s EEPROM for the new display.
1.  Download the Omnibook 500 service package from the Partnership web site (see page vi),
and create...

HP Omnibook 500 Removal and Replacement 2-21
Removing the Heatsink/Fan
(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 power button panel (page 2-9).
 3.
 Open the keyboard (page 2-10, though step 4). You don’t need to disconnect the keyboard cables.
 4.
 Remove the three retaining screws from the heatsink/fan.
  Caution
 
W hen removing the heatsink/fan from the...

2-22 Removal and Replacement HP Omnibook 500
 7.
 To separate the fan from the heatsink, remove both connecting screws.
 
 Figure 2-17. Separating the Heatsink and Fan
Reassembly Note
 
• Make sure the fan cable is retained by the hook on the underside of the heatsink.
Screws, M2×3mm (2) 

HP Omnibook 500 Removal and Replacement 2-23
Removing the Top Case
(HP Authorized Service Providers Only)
Required Equipment
 
• #0 Phillips screwdriver.
 
• Small flat-blade screwdriver.
Removal Procedure
 1.
 Unplug the AC adapter, if present, and remove the battery.
 2.
 Remove these additional assemblies:
 
• Hard disk drive (page 2-6).
 
• Power button panel (page 2-9).
 
• Keyboard (page 2-10).
 
• Switchboard PCA (page 2-15).
 
• Display assembly (page 2-18).
 3.
 Remove the screws from inside the...

2-24 Removal and Replacement HP Omnibook 500
 
 
 
 
 
 
 
 
 
 
 
 Figure 2-18. Removing the Top Case
Screws, M2×9mm (2)
Screw, M2×7mm
Screw, M2×7mm
Screws, M2×2mm (2)
Screws, M2×5mm (4)
Screws (2):
See Note
 below.
Screw, M2×2mm
(not on all models)
Note:
 The length of the screws required for the two positions near the front of the
bottom case corresponds to the number of screws in the battery compartment:
• Models with two screws in the battery compartment: use M2×7mm
• Models with three screws in the...