HP omnibook 4000 Service Manual
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28
Keyboard Assembly
(HP Authorized Support Providers Only)
(HP Authorized Support Providers Only)
Required
Equipment
:
•
Phillips Screwdriver
Components to
Remove
Prior to Keyboard:
1. HDD, FDD, and Battery
2. Palm Rest Assembly (may remain connected)
3. Sound Board (PCB Assy PK-688/PK-AUD) (partial removal)
2. Palm Rest Assembly (may remain connected)
3. Sound Board (PCB Assy PK-688/PK-AUD) (partial removal)
Removal Procedure:
1. Follow the instructions for removing Battery, Floppy Disk and Hard Drive.
2. Follow the Palm Rest Assembly Removal Procedure. Note the Track Ball does
1. Follow the instructions for removing Battery, Floppy Disk and Hard Drive.
2. Follow the Palm Rest Assembly Removal Procedure. Note the Track Ball does
not need to be removed and the Palm Rest may be lifted out without being
disconnected.
disconnected.
3. The keyboard can then be lifted out by gently prying up on the front edge.
4. To gain access to the Keyboard flex cables, the Sound Board must be removed
4. To gain access to the Keyboard flex cables, the Sound Board must be removed
(see Figure 9). To remove the Sound Board, lift up on the sides of the board.
Note, the Sound Board cannot be completely disconnected at this point - the
Upper Cover must be removed to gain full access to the Sound Board.
Note, the Sound Board cannot be completely disconnected at this point - the
Upper Cover must be removed to gain full access to the Sound Board.
5. Disconnect the Keyboard flex cables from the zero force insertion slots.
Replacement
Procedure
:
1. Reverse the procedure to install a new keyboard.