Component

Removal Procedures

Additional Steps (See figures on pages 4-2, 4-8)

VGA PCA

Keyboard (page 2-9).

1.

Unplug the touch-pad cable from the VGA PCA.

 

Display (page 2-11).

2.

On an OmniBook 4100 or 4150†, use a probe to

 

 

 

unplug the LVDS PCA from the VGA PCA.

 

 

3.

On the back of the unit, remove the two standoffs

 

 

 

from the VGA connector.

 

 

4.

Unplug the VGA PCA from the motherboard.

 

 

Caution: For an OmniBook 4150B, you must set the

 

 

switches on the PCA according to the type of LCD

 

 

module in the computer—see the table on page 2-13.

 

 

Reassembly Notes: For an OmniBook 4150† with

 

 

serial number TW924xxxxx, install a rubber VGA

 

 

spacer on the top of the PCA at the front-left corner.

 

 

(Service note 4150-11.)

†Models called 4150† in this manual have no marking in the serial number, whereas models called 4150B have 4150 B after the serial number.

2-36 Removal and Replacement

HP OmniBook 4100/4150