Compaq presario 1400 series User Manual

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 17
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Electrostatic Discharge
A sudden discharge of static electricity from a finger or other conductor can destroy static-sensitive 
devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. An electronic 
device that has been exposed to...

18 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Service Considerations
During the disassembly and assembly of the Notebook, please keep in mind the considerations listed 
below.
Tool and Software Requirements
To service the Notebook, the following items are required:
Torx T-8 or T-9 screwdriver
5mm nut drivers...

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 19
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Cables and Connectors
Most of the cables inside the Notebook are ribbon cables. Handle cables with extreme care to avoid 
damage. During insertion or removal from the connector, apply only the amount of pressure 
required to seat or unseat the cable, handling it by...

20 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Connectors and Plastic Parts
Plastic parts can be damaged by the use of excessive force during disassembly and reassembly. 
Handle with care when disassembling and assembling plastic parts. As recommended in the 
maintenance instructions, apply pressure only at the...

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 21
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Speaker Assembly Cable
The ribbon cable position for the speaker assembly is shown below.
Ä
ÄÄ Ä
CAUTION: When servicing a Notebook, place cables in their proper location during 
the reassembly process. Improper cable placement can cause severe damage to 
the...

22 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Keyboard Ribbon Cable
The ribbon cable position for the keyboard is shown below.
Ä
ÄÄ Ä
CAUTION: When servicing a Notebook, place cables in their proper location during 
the reassembly process. Improper cable placement can cause severe damage to 
the Notebook.
To...

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 23
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Internet Button Board Cover
1. Prepare the Notebook for disassembly (pg 4).
2. Remove the cosmetic side covers (pg 7
).
3. Turn the Notebook upside down.
4. Remove the two screws from underneath the unit toward the rear.
Continued 

24 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
5. Carefully pry with the flat end of a screwdriver to lift the Internet Button Board Cover.
6. Disconnect the backlight and flex cables.
7. Remove the Internet Button Board Cover from the Notebook.
Note: The hinge covers and backlight switch are located on the...

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIESREMOVAL SEQUENCE 25
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
Keyboard
To remove the keyboard, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the Internet Button Board Cover (pg 23
).
4. Lift the back of the keyboard and disconnect the flex...

26 REMOVAL SEQUENCEPRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1400 SERIES
Presario 1400 Series
Model XL240, XL241, XL242, XL244, XL245, XL246, XL247, XL250, XL340, 
XL341, XL342, XL343, XL344, XL345, XL346, XL350, XL352, XL355, and XL356
PCA Button Board
To remove the PCA Button Board, complete the following steps:
1. Prepare the Notebook for disassembly (pg 4
).
2. Remove the cosmetic side covers (pg 7
).
3. Remove the Internet Button Board Cover (pg 23
).
4. Remove the keyboard (pg 25
).
5....