Compaq Presario 1200XL series User manual

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 1
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removal Sequence
This chapter provides details for removing and replacing each component of the Presario
1200XL units.
Electrostatic Discharge
When removing or replacing parts, be careful to discharge static electricity before touching
the internal Notebook components. A sudden discharge of static electricity from a finger or
other conductor can destroy static-sensitive devices and microcircuitry. Often the spark is
neither felt nor heard, but damage occurs. An electronic device exposed to an electrostatic
discharge may not seem to be affected and continue to work perfectly throughout a normal
cycle. However, the discharge degrades internal layers, which reduces the operating life of
the device. Networks built into many integrated circuits provide some protection; but in
many cases, the discharge contains enough power to alter device parameters or melt
silicon junctions.
The table below shows the amount of static electricity generated by common activities
associated with servicing computers.
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CAUTION: As little as 700 Volts can degrade Notebook components. Be sure to
ground yourself before touching the Notebook or its subassemblies.
Electrostatic Voltage
Event Relative Humidity
10% 40% 50%
Walking across carpet 35,000 V 15,000 V 7,500 V
Walking across vinyl floor 12,000 V 5,000 V 3,000 V
Motion of bench worker 6,000 V 800 V 400 V
Removing DIPS from plastic tubes 2,000 V 700 V 400 V
Removing DIPS from vinyl trays 11,500 V 4,000 V 2,000 V
Removing DIPS from styrofoam 14,500 V 5,000 V 3,500 V
Removing bubble pack from PCBs 26,000 V 20,000 V 7,000 V
Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V

2 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Tool and Software Requirements
The following items are required to service the Notebook:
•Torx T-9 screwdriver
•5mm nut drivers (for screwlocks and standoffs)
•Small standard screwdriver
•Small Phillips screwdriver
•Diagnostics software
Screws
The screws used in the Notebook are not interchangeable. If an incorrect screw is used
during the reassembly process, it can damage the unit. Compaq strongly recommends that
all screws removed during disassembly be kept with the part that was removed, then
returned to their proper locations.
Important: As each subassembly is removed from the Notebook, place it away from the
work area to prevent damage.
Connectors and Plastic Parts
Plastic parts can be damaged by the use of excessive force during disassembly and
reassembly. When handling plastic parts, use care. Apply pressure only at the points
designated in the instructions. Most of the connectors in these Notebooks are
ZIF Connectors.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 3
Presario 1200XL Series
Model XL300, XL300A, and XL300B
ZIF Connector
The 1200XL Series Notebooks use zero insertion force (ZIF) connectors on the system
board.
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CAUTION: A ZIF connector and its attached cable can be easily damaged. Handle
only the connector slide when removing or replacing a cable. Never pull or twist on
the cable while it is connected.
To remove a cable from a ZIF connector, lift both corners of the ZIF connector and slide the
cable out simultaneously with constant light pressure.
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CAUTION: When servicing this Notebook, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
damage the Notebook.

4 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Cables
Most cables used throughout the unit are ribbon cables.
Cables must be handled with extreme care to avoid damage. Use the following precautions
when handling cables to avoid damage to the cable and the Notebook:
•Always handle cables by their connectors.
•In all cases avoid bending, twisting, pulling, or tearing cables.
•Apply only the minimum pressure required to seat or unseat cables from their
connectors.
•Place the cables so that they are not caught or snagged by parts being removed or
replaced.
•Handle flex cables with extreme care; they can tear easily.
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CAUTION: When servicing these Notebooks, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
cause severe damage to the unit.
The following illustrations show the proper placement for each cable:
•Diskette Drive Ribbon Cable •Keyboard Ribbon Cable
•Speaker Assembly Cable •Hard Drive Ribbon Cable

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 5
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Diskette Drive Ribbon Cable
The ribbon cable position for the diskette drive is shown below.
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CAUTION: When servicing this Notebook, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
damage the Notebook.

6 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Speaker Assembly Cable
The cable position for the speaker assembly is shown below. The cable is routed under the
battery charger board and under the edge of the system board.
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CAUTION: When servicing this Notebook, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
damage the Notebook.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 7
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Keyboard Ribbon Cable
The ribbon cable position for the keyboard is shown below.
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CAUTION: When servicing this Notebook, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
damage the Notebook.

8 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Hard Drive Ribbon Cable
The ribbon cable position for the hard drive is shown below.
Ä
CAUTION: When servicing the Notebook, ensure that cables are placed in their
proper location during the reassembly process. Improper cable placement can
damage the Notebook.
Note:

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 9
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Preparing the Notebook for Disassembly
Before beginning Removal and Replacement procedures, complete the following steps:
1. Disconnect AC power and any external devices.
2. Remove the battery pack (pg 10).
3. Remove any PC cards.
Important: The battery pack should be removed before performing any internal
maintenance on the Notebook.
ÅWARNING: Metal objects can damage the battery pack as well as the battery
contacts in the battery compartment. To prevent damage, do not allow metal
objects to touch the battery contacts. Place only the battery pack for the Compaq
Presario 1200XL Series Portable Notebooks into the battery compartment. Do not
force the battery pack into the bay if insertion is difficult.
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CAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a
battery pack; this action damages the pack, makes it unusable, and exposes
potentially harmful battery components. No field-serviceable parts are located
inside the battery pack.
Note: Compaq Presario 1200XL Series Portable Notebooks have several screws of
various sizes that are not interchangeable. Care must be taken during reassembly
to ensure that the correct screws are used in their correct location. During removal,
keep screws with their associated respective subassembly.

10 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Battery
To remove the battery pack, complete the following steps:
1. Slide 1the battery compartment door down and remove it from the chassis.
2. Pull 2the battery from the chassis by the tab located on the end of the battery pack
and slide battery from the chassis.
To replace the battery, reverse these procedures.
Important: The battery pack should be removed before performing any internal
maintenance on the Notebook.
ÅWARNING: Metal objects can damage the battery pack as well as the battery
contacts in the battery compartment. To prevent damage, do not allow metal
objects to touch the battery contacts. Place only the battery pack for Compaq
Presario 1200XL Series Portable Notebooks in the battery compartment. Do not
force the battery pack into the bay if insertion does not occur easily.
ÄCAUTION: Do not crush, puncture, or incinerate the battery pack. Do not open a
battery pack; this damages the pack, makes it unusable, and exposes potentially
harmful battery components. No field-serviceable parts are located inside the
battery pack.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 11
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Modem
To remove the modem, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Close the display, turn the Notebook upside down, and locate the modem
compartment (left side when the front of the Notebook is toward you).
3. Remove one screw 1from the modem door, slide the door forward 2and then lift to
remove it.
Continued on the next page.

12 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
4. Press the release latches 1on each side that hold the modem in place. This releases
the modem board from the compartment.
5. Lift 2the modem from the system board connector.
To replace the modem board, reverse these procedures.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 13
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Memory Module
To remove the memory module, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Close the display and turn the Notebook upside down.
3. Remove the screw from the memory compartment.
4. With the front of the Notebook facing you, slide the door to the left and lift.
5. Pull 1the side levers to release the memory module and lift 2it off the connector on
the system board.
To replace the memory module, reverse these procedures.

14 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Palmrest Cover with TouchPad
Note: It is not necessary to remove the display panel assembly to access the interior
components of the Notebook.
To remove the Palmrest Cover with TouchPad, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Close the display and turn the Notebook upside down.
3. Remove four screws from underneath the Notebook.
Continued on next page.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 15
Presario 1200XL Series
Model XL300, XL300A, and XL300B
4. Turn the Notebook right side up.
5. Pull the display release latches and open the display assembly.
6. Lift up 1the front end of the Palmrest Cover, 2disconnect the flex cable from the
underside of the Palmrest LED and Volume Control board.
7. Lift the cover off the unit.
To replace the Palmrest Cover with TouchPad, reverse these procedures.

16 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Keyboard
To remove the keyboard, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Remove the Palmrest Cover with TouchPad (pg 14).
3. Gently lift up the front of the keyboard, slide it forward, and then turn the keyboard
over allowing it to rest where the Palmrest cover normally sits.
4. Disconnect the flex cable from the ZIF Connector on the system board and remove
the keyboard.
To replace the keyboard, reverse these procedures.
When replacing the keyboard, the Keyboard Ribbon Cable should fold behind the ZIF Connector
rather than underneath the keyboard.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 17
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Heatspreader
To remove the Heatspreader, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Remove the Palmrest Cover with TouchPad (pg 14).
3. Remove the keyboard (pg 16).
4. Remove four screws 1from the Heatspreader and lift it 2out of the chassis.
Note: Positions of screws are numbered on the Heatspreader.
To replace the Heatspreader, reverse the previous procedures.
Note: If the thermal pads on the Heatspreader are missing or damaged, a new
Heatspreader should be installed.
Important: Before installing the new Heatspreader, remove the plastic covering
from the thermal pads.
ÅTo prevent damage, do not use excessive force when replacing the screws.

18 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Removing the Internet Zone Cover
(Status Panel Assembly)
Note: Illustrations may show parts removed that are not part of this procedure. It is
necessary to remove only the parts listed in the written procedure.
To remove the Internet Zone cover, complete the following steps:
1. Prepare the Notebook for disassembly (pg 9).
2. Remove the Palmrest Cover with TouchPad (pg 14).
3. Remove the keyboard (pg 16).
4. Open the display, gently pry open the display hinge covers, and slide them off the
hinges.
Continued on next page.

PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES REMOVAL SEQUENCE 19
Presario 1200XL Series
Model XL300, XL300A, and XL300B
5. Close the Display, turn the unit upside down, and remove two screws located at the
back of the Notebook that secure the Internet Zone cover to the chassis .
Continued on next page.

20 REMOVAL SEQUENCE PRESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE 1200XL SERIES
Presario 1200XL Series
Model XL300, XL300A, and XL300B
6. Turn Notebook right side up and open the display panel.
7. Remove the two innermost screws from the display hinges that secure the status
panel to the chassis.
Continued on next page.