Compaq XL280 Maintenance & Service Manual
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Compaq XL280 Maintenance & Service Manual

Compaq XL280 Maintenance & Service Manual

1800 series/1800t series
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Before You
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Pin
Assignments
Removal
Sequence
Welcome to the Maintenance & Service Guide (MSG)
Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1800XL
Series Portable Notebooks. This online guide is designed to serve the needs of
technicians whose job is to repair Compaq products.
To effectively use this guide, refer to the list of bookmarks at the left of the screen
whenever you need to find information fast.
For copyright and trademark information, refer to Notice. To locate your unit's serial
number, to see symbol conventions, or to view technician's notes, see Preface. This MSG
is updated online as needed.
For comments or questions about the contents of this MSG,
To report a technical problem, contact your Regional Support Center or IM Help Center.
Presario 1800 Series
Model XL2
Product
Description
Battery
Operations
Parts
Catalog
Specifications
Troubleshooting
MSG Index
contact
Compaq.

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Summary of Contents for Compaq XL280

  • Page 1 Catalog Welcome to the Maintenance & Service Guide (MSG) Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1800XL Series Portable Notebooks. This online guide is designed to serve the needs of technicians whose job is to repair Compaq products.

  • Page 2: Before You Begin

    DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL. This guide contains information protected by copyright. No part of this guide may be photocopied or reproduced in any form without prior written consent from Compaq Computer Corporation. ©2000 Compaq Computer Corporation.
  • Page 3 The Maintenance and Service Guide is a troubleshooting guide for use as a reference when servicing Compaq Presario 1800 Series Notebook Computers. Compaq Computer Corporation reserves the right to make changes to Compaq Presario 1800 Series Notebooks without notice. Symbols The following words and symbols alert you to special messages throughout this guide.
  • Page 4 The serial number is located on the underside of the Notebook as shown below. Locating Additional Information The following documentation is available to support this product: Compaq Presario 1800 Series Notebook documentation set • Introducing Windows 98 Guide •...

  • Page 5: Product Description

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Product Description This chapter describes the features of each of the Presario 1800XL Series Notebooks. It also provides illustrations of the exterior components unique to these units.

  • Page 6: Models And Features

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Models and Features Compaq Presario 1800 Series Portable Computer Models Features XL280* XL380* Display TFT 14.1 in TFT 15.0 in TFT/LVD 15 in Processor 600 MHz 256 K Cache PIII 700 MHz 256 K Cache...

  • Page 7: Front Of Unit

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Front of Unit Description Description Display Release Latch Integrated Speakers Display TouchPad Button (Left Power (On/Off) Button Scroll Up/Down Button Keyboard TouchPad Button (Right TouchPad Model Number...

  • Page 8: Internet Zone Buttons And Lights

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Internet Zone Buttons and Lights Model XL280 Description Description AC Adapter Light Instant Search Button Caps Lock Light Online Marketplace (U.S./Puerto Rico) Instant Answer (outside the U.S.) Instant Internet Access Retail Central (U.S./Puerto Rico) Instant E-Commerce (outside the U.S.)
  • Page 9 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Model XL3xx Description Description AC Adapter Light Digital Audio Button Caps Lock Light Entertainment Button Instant Internet Access Retail Central Button Instant E-mail Access Num Lock Light My Presario Instant Access...

  • Page 10: Front Bezel Components

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Front Bezel Components Description Description Previous Track Button Battery Gauge Next Track Button DisqPlay On/Off Button Sleep Status Icon Volume Down Button Power Status Icon Volume Up Button Battery Charging Status Icon...

  • Page 11: Left-Side Components

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Left-Side Components Note: XL3xx models have silver lids. Description Description Security Slot CD or DVD Manual Eject Hole CD or DVD Drive Diskette Drive CD/DVD Drive Eject Button Diskette Drive Eject Button...

  • Page 12: Right-Side Components

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Right-Side Components Note: XL3xx models have silver lids. Description Description Battery Compartment Microphone Jack PC Card Eject Button Modem Port PC Card Slot Ethernet Port Headphone Jack...

  • Page 13: Underneath The Unit

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Underneath the Unit Description Description Pop-Up Foot Memory Compartment Serial Number Pop-Up Foot...

  • Page 14: Rear Connectors

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Rear Connectors Note: XL3xx models have silver lids. Description Description Keyboard/Mouse Port TV-Out Connector AC Adapter Connector External Monitor Port Parallel Port Serial Ports QuikDock Connector Universal Serial Bus Port Fan Vent...
  • Page 15 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Optional QuikDock Components Description QuikDock Interface Connector QuikDock Guide Posts Connectors Description Description Description Universal Serial Bus Port Parallel Port S-Video Port Universal Serial Bus Port Game Port TV-Out (Composite Video)

  • Page 16: Specifications

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Specifications Physical and Environmental Specification U.S. Metric Height 1.63 in. 4.14 cm Depth 12.99 in. 33.00 cm Width 11.02 in. 28.00 cm Weight with 14.1-in. Display 7.8 lb 3.54 kg with 15.0-in. Display Battery Power Requirements Li-ion 3.2 AHr...

  • Page 17: System Interrupts

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 System Interrupts Hardware Hardware System Function System Function IRQ 0 System timer IRQ 10 Available ® IRQ 1 Standard 101/102-key or IRQ 11 Intel Pro/100S Mobile LAN Microsoft Natural Keyboard on Motherboard...

  • Page 18: System I/O Addresses

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 System I/O Addresses I/O Address System Function (Shipping Configuration) 0000h-000Fh Direct Memory Access Controller 0020h-0021h Programmable Interrupt Controller 0040h-0043h System Timer 0060h-0060h Standard 101/102-Key or Microsoft Natural Keyboard 0061h-0061h System Speaker...
  • Page 19 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 I/O Address System Function (Shipping Configuration) 03F6h-03F6h Primary IDE Controller (Dual FIFO) 03F7h-03F7h Standard Floppy Disk Controller 03F8h-03FFh Communications Port (COM1) 04D0h-04D1h Motherboard Resources 0CF8h-0CFFh PCI Bus 1000h-10FFh Lucent 56K V.90 PCI DF Modem...

  • Page 20: System Memory Catalog

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 System Memory Catalog Memory Address System Function 000A0000h-000AFFFFh RAGE Mobility-M1 AGP (English) 000B0000h-000BFFFFh RAGE Mobility-M1 AGP (English) 000C0000h-000CFFFFh RAGE Mobility-M1 AGP (English) 04000000h-04000FFFh Texas Instruments PCI-1410 CardBus Controller ® 04001000h-04001FFFh Intel PRO/100 S Mobile LAN on Motherboard ®...

  • Page 21: Diskette Drive

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Display 15.0-in. TFT 15.0-in. TFT/SXGA 14.1-in. TFT Specification with LVDS with LVDS with LVDS Unit Height 9.48 in. (24.05 cm) 9.48 in. (24.05 cm) 8.92 in. (22.65 cm) Unit Width 12.43 in. (31.55 cm) 12.43 in.

  • Page 22: Hard Drive

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Hard Drive 6.0 GB 10.0 GB 12.0 GB Specification Drive Type Ultra DMA Ultra DMA Ultra DMA Height 9.5 mm 9.5 mm 9.5 mm Width* 69.85-70.0 mm 69.85-70.0 mm 70.0 mm Depth 100.0 mm...

  • Page 23: Battery Pack

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery Pack Specification 3.2 AHr Li-ion 3.6 AHr Li-ion Type Lithium Ion Enhanced Lithium Ion Enhanced Height 0.8 in. (20.3 mm) 0.8 in. (20.3 mm) Length 5.7 in. (145 mm) 5.7 in. (145 mm) Width 3.1 in.

  • Page 24: Pin Assignments

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Pin Assignments This chapter provides the pin assignments for Presario 1800XL Series Notebook connectors. For additional information about connectors or external ports, refer to Rear Connectors QuikDock Connectors. Note: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).

  • Page 25: Universal Serial Bus (Usb) Connector

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 TV-Out (Composite Video) Connector Signal Ground Composite Ground Universal Serial Bus (USB) Connector Pin Signal Pin Signal Data + Data - Ground Keyboard/Mouse Connector Pin Signal Pin Signal Data 1 +5 V...

  • Page 26: Modem Connector

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Modem Connector Signal Signal Unused Unused Unused Ring Unused External VGA Monitor Connector Pin Signal Signal Red Analog Green Analog Ground Blue Analog Monitor Detect Not connected DDC2B Data Ground Horizontal Sync...

  • Page 27: Game Port Connector

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Game Port Connector Note: the game port connector is available only on the optional QuikDock device. Pin Signal Pin Signal RBTA RBTC RMSO RBTD RBTB RMSI Serial Connector Pin Signal Pin Signal...
  • Page 28 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 QuikDock Connector Pin Signal Pin Signal Signal Pin Signal Adapter Power Serial Port DCD Keyboard Clock Reserved Adapter Power Serial Port DSR Keyboard Data Head-phone Sense Adapter Power Serial Port TXD...

  • Page 29: Battery And Power Management

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery and Power Management This chapter describes power management and proper battery operating practices for Presario 1800XL Series Notebooks. These practices include conservation of AC power and extending the operating life of the battery. The following sections also outline proper methods to start and shut down the Notebook in various situations.
  • Page 30 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Full Off Off mode consumes no power. However, the battery charges while the Notebook is in Off mode if the battery is installed and the Notebook remains plugged into external AC power.

  • Page 31: Power Settings

    • Important: The setting for the Hard Disk must be less than or equal to the setting for the System. If the Notebook is on a network, Compaq recommends that System Standby be set to Never. The following table shows the default settings for each Power Scheme.
  • Page 32 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Alarms The Notebook can be set to alarm when the battery power level is reduced or when it reaches a critically low level. The Notebook can also be set to enter a low-power mode when the battery reaches a specific power level.

  • Page 33: Rebooting After A Lockup

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Rebooting After a Lockup To reboot the Notebook when the keyboard is frozen or the screen is locked, press and hold down the Power ª button for at least four seconds; this causes the Notebook to shutdown.

  • Page 34: Increasing Battery Pack Operating Time

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Increasing Battery Pack Operating Time Battery pack operating life is affected by several variables. To avoid unnecessary replacement, consider the following when determining how long a charged battery pack should last: Power conservation settings •...

  • Page 35: Conditioning A Battery Pack

    3.00 hours Disposing of a Used Battery Pack In the interests of safeguarding our environment, Compaq Computer Corporation recommends that nickel metal hydride (NiMH) and lithium-ion (Li-ion) battery packs be recycled. Battery packs should be handled in accordance with country, state, province, or local regulations.

  • Page 36: Troubleshooting

    Models: XL280, XL380, XL381, and XL390 Troubleshooting This chapter covers troubleshooting and resolving common problems associated with Compaq Presario 1800XL Series Notebooks. The basic steps in troubleshooting include: 1. Preparing the Notebook for troubleshooting as outlined in Preliminary Steps on the following page.

  • Page 37: Preliminary Steps

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Preliminary Steps Before running POST, complete the following steps: 1. If a Power-on password is established, type the password and press the Enter key. If you do not know the password, clear the password (see...

  • Page 38: Clearing The Power-On Password

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Clearing the Power-On Password Ä CAUTION: Clearing the Power-on password also removes all setup attributes that are programmed in the CMOS. If you do not know the Power-on password, clear it by performing the following steps: 1.

  • Page 39: Power-On Self-Test (Post)

    Power-On Self-Test (POST) To run POST, complete these steps: Turn off the Notebook, then turn it on again. As soon as the Compaq logo appears, press the ESC key to display the POST messages as they occur. Remember any POST error codes that are displayed.
  • Page 40 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 XX000YZZ 201–Memory Error Probable Cause Recommended Action Replace the memory Memory failure modules. Replace the system board. 301-Keyboard Error Probable Cause Recommended Action 1. Make sure the keys are not Keyboard failure depressed during POST.

  • Page 41: Compaq Diagnostics

    Compaq Diagnostics utilities come pre-installed on 1800XL Series Notebooks. Run the diagnostic utilities to view or test system information and external devices. If you run Compaq Diagnostics from a diskette, be sure that the diagnostic program is version 10.11 or later.
  • Page 42 6. Select Computer Checkup from the Diagnostics menu. The Test Option menu is displayed. 7. Select View the Device List from the Test Option menu. A list of installed Compaq devices is displayed. 8. If the list of installed devices is correct, select OK. The Test Option menu is displayed.

  • Page 43: View System Information (Inspect)

    The INSPECT utility provides information about the Notebook and installed or connected devices. You can display, print, or save the information. Follow these steps to run INSPECT from the Compaq Diagnostics Diskette: 1. Turn on the external device(s) you want to test. Connect the printer if you want to print the information.

  • Page 44: Diagnostic Error Codes

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Diagnostic Error Codes Diagnostic error codes are displayed if the system recognizes a problem while running the Compaq Diagnostics program. These error codes help identify subassemblies that may be damaged or defective.
  • Page 45 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Processor Test Error Codes Error Code Description Recommended Action 101-xx CPU test failed Replace the processor and retest. 1. Run the Configuration and Diagnostics 102-xx Coprocessor or Weitek Error utilities. Replace the processor and retest.
  • Page 46 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Keyboard Test Error Codes Error Code Description Recommended Action 300-xx Failed ID Test The following steps apply to error codes 300-xx through 304-xx: 301-xx Failed Self-Test/Interface Test 1. Check the keyboard connection. If...
  • Page 47 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Diskette Drive Test Error Codes Error Code Description Recommended Action 600-xx Diskette ID drive types test The following steps apply to error codes failed 600-xx through 698-xx: 1. Replace the diskette media and retest.
  • Page 48 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Hard Drive Test Error Codes Error Code Description Recommended Action 1701-xx Hard drive format test failed The following steps apply to error codes 1701-xx through 1736-xx: 1702-xx Hard drive read test failed 1.
  • Page 49 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Video Test Error Codes Error Code Description Recommended Action 501-xx Video controller test failed The following steps apply to error codes 501-xx through 516-xx: 502-xx Video memory test failed 1. Disconnect external monitor and test...
  • Page 50 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Video Test Error Codes Error Code Description Recommended Action 2402-xx Video memory test failed The following steps apply to error codes 2402-xx through 2418-xx: 2403-xx Video attribute test failed 1. Run the Configuration and Diagnostics...
  • Page 51 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Video Test Error Codes Error Code Description Recommended Action 2419-xx ECG/VGC ROM checksum test The following steps apply to error codes failed 2419-xx through 2456-xx: 1. Run the Configuration and Diagnostics...
  • Page 52 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 TouchPad Interface Test Error Codes Error Code Description Recommended Action 8601-xx Mouse test failed The following steps apply to error codes 8601-xx through 8602-xx: 8602-xx Interface test failed Replace the TouchPad and retest.

  • Page 53: Troubleshooting Without Diagnostics

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Troubleshooting without Diagnostics This section provides information about how to identify and correct some common hardware, memory, and software problems. It also explains several types of common messages that may be displayed on the screen.

  • Page 54: Solving Minor Problems

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Solving Minor Problems Some problems and possible solutions are outlined in the following tables. If the problem appears to be related to a software application, check the documentation provided with the software.
  • Page 55 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery Pack/Gauge Problem Probable Cause Solution(s) Notebook is beeping Battery charge is low. Immediately save any open and battery ( file(s). Then complete one of the icon is blinking. following steps: Connect the Notebook to an •...
  • Page 56 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery Pack/Gauge Problem Probable Cause Solution(s) Battery has partially Recharge the battery. Discharge self-discharged. the battery completely and then recharge it. Battery charge does Power management is Set a power management level in not last as long as disabled.
  • Page 57 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 CD and DVD Drive Solutions Some causes and solutions for CD and DVD drive problems are listed in the following table. CD or DVD Drive Problem Probable Cause Solution(s) CD or DVD drive...
  • Page 58 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Diskette Drive Problem Probable Cause Solution(s) Diskette drive cannot Diskette is not formatted. Format the diskette. At the read a diskette. system prompt, enter FORMAT A: Cannot boot from Bootable diskette is not in the Put the bootable diskette in the diskette.
  • Page 59 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Display Problem Probable Cause Solution(s) Display has overheated. Turn off the Notebook, and if necessary move it out of direct sunlight to allow it to cool. Display is blank and System is in Standby mode.
  • Page 60 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Display Problem Probable Cause Solution(s) 1. Reseat the display cable to the Backlight (brightness) Improper display cable system board. cannot be adjusted connections. Replace the display assembly. with Fn+F7 or Fn+F8.
  • Page 61 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Hard Drive Solutions Some causes and solutions for hard drive problems are listed in the following table. Ä CAUTION: To prevent loss of information, maintain an up-to-date backup of your hard drive in case of errors or failures.
  • Page 62 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Keyboard/Numeric Keypad Solutions Some causes and solutions for keyboard/numeric keypad problems are listed in the following table. Keyboard/Numeric Keypad Problem Probable Cause Solution(s) Embedded numeric Num Lock function is not Press the Shift+NumLk keys to keypad on Notebook enabled.
  • Page 63 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 PC Card Solutions The following table lists some causes and solutions for PC card problems. PC Card Problem Probable Cause Solution(s) While turned on, the Card is not inserted properly. Make sure that the card is Notebook does not inserted properly.
  • Page 64 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 PC Card Problem Probable Cause Solution(s) PC card modem or fax The card is not supported. Use supported cards only. card does not work. Modem network Network driver is not installed Install driver.

  • Page 65: Power Solutions

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Power Solutions Some causes and solutions for power problems are listed in the following table. See also Battery Pack/Gauge Solutions in this chapter. Power Problem Probable Cause Solution(s) Notebook will not turn...
  • Page 66 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Printer Solutions If you experience problems printing, run a printer self-test. Refer to the documentation provided with the printer for instructions. If the self-test fails, the problem is associated with the printer, not the Notebook. To diagnose other printing problems, refer to the printing section of the application documentation.
  • Page 67 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 TouchPad/Pointing Device Solutions The following table lists some causes and solutions for TouchPad/pointing device problems. TouchPad/Pointing Device Problem Probable Cause Solution(s) TouchPad or mouse Incorrect or no device driver Install the device driver and add does not work.

  • Page 68: Contacting Compaq Support

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Contacting Compaq Support Customers should provide the following information when contacting Compaq Reseller Support: Product name • Product serial number • Purchase date • Conditions under which the problem occurred •...

  • Page 69: Removal And Replacement

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Removal & Replacement This chapter details the necessary preparations for disassembling the Notebook and explains removing and replacing each component of the Presario 1800XL Series Notebooks. Electrostatic Discharge Ä CAUTION: When removing or replacing parts, be careful to discharge static electricity before touching the Notebook’s internal components.

  • Page 70: Required Tools

    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.

  • Page 71: Zif Connector

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 ZIF Connector The 1800XL Notebooks use many zero insertion force (ZIF) connectors on the system board. Ä 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.
  • Page 72 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Cables Most cables used in the Notebook 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.
  • Page 73 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Hard Drive Ribbon Cable The position for the hard drive ribbon cable is shown below. Ä CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the Notebook.
  • Page 74 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 CD/DVD Ribbon Cable The position for the CD/DVD drive ribbon cable is shown below. Ä CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the Notebook.
  • Page 75 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Diskette Drive Ribbon Cable The position for the diskette drive ribbon cable is shown below. Ä CAUTION: When servicing this Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the Notebook.
  • Page 76 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Speaker Assembly Cable The position for the speaker assembly cable is shown below. The cable is routed under the battery charger board and under the edge of the system board. Ä...
  • Page 77 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Keyboard Ribbon Cable The position for the keyboard ribbon cable is shown below. Ä CAUTION: When servicing the Notebook, make sure that cables are placed in their proper locations during the reassembly process. Improper cable placement can damage the Notebook.

  • Page 78: Preparing The Notebook For Disassembly

    CAUTION: 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 1800 Series Notebooks in the battery compartment. Do not force the battery pack into the bay if insertion is difficult.

  • Page 79: Removal Procedures

    Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Removal Procedures This section outlines the removal and replacement of each component of the 1800XL Series Notebooks. To prepare the Notebook for disassembly, refer to the previous sections of this chapter.
  • Page 80 CAUTION: 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 1800 Series Portable Notebooks into the battery compartment. Do not force the battery pack into the bay if insertion does not occur easily.
  • Page 81 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 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.
  • Page 82 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 4. Turn the Notebook right side up and open the display. 5. Lift up the front end of the Palmrest cover. Note: It may be necessary to apply pressure on the sides of the Palmrest cover to release it from the chassis.
  • Page 83 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 6. Disconnect the flex cable from the ZIF Connector on the DisqPlay module. To replace the Palmrest cover with TouchPad, reverse these procedures.
  • Page 84 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Keyboard To remove the keyboard, complete the following steps: 1. Prepare the Notebook for disassembly 10). 2. Remove the Palmrest cover 13). 3. Gently lift the front of the keyboard, disconnect the flex cable from the ZIF Connector on the system board, and remove the keyboard.
  • Page 85 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Button Board Cover (Internet Zone and Status Lights) 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.
  • Page 86 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 3. Remove the two innermost screws from the display assembly hinges that secure the button board cover to the chassis. Continued on the next page.
  • Page 87 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 4. Turn the unit upside down and remove the two screws (shown below) located near the back that secure the button board cover to the chassis. Continued on the next page.
  • Page 88 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 5. Turn the unit right side up and open the display. 6. Lift up one corner of the button board cover and push forward from the back (center piece) to release the snaps 7.
  • Page 89 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Internet Switch Board 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 switch board, complete the following steps: 1.
  • Page 90 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 6. Remove the two screws securing the Internet switch board and lift it from the chassis. Note: The 15-in. standard and high resolution (SXGA) display panels have unique Internet switch boards that are not interchangeable. If disassembling more than one Notebook, keep each Internet switch board with the correct Notebook.
  • Page 91 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Heat Sink (Heatspreader) To remove the heat sink, complete the following steps: 1. Prepare the Notebook for disassembly 10). 2. Remove the Palmrest cover with TouchPad 13). 3. Remove the keyboard 16).
  • Page 125 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Miscellaneous Parts Spare Part Items AC Adapter (APD, 60 W, or Slim 2 Wire) QuikDock (Port Replicator) (not shown) AC Power Cord (NA or 3 Wire Intl/UK/IT) (not shown) Miscellaneous Screw Kit...
  • Page 126 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Part Numbers & Availability This section is a comprehensive list of the parts associated with the 1800XL Series Notebooks. It provides the part number, applicable model(s), and availability of each item.
  • Page 127 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Alphabetical Spares Listing In this section, all spare parts associated with the 1800XL models are listed alphabetically by name. A B C D E F K L M O P Q R S...
  • Page 128 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Spare Part Description Spare P/N Applicable Models Availability Disqplay Module, See LCD Indicator Module DVD/CD-RW Combo Drive 200356-001 after 11/15/00 DVD Drive (6X W2K) 192408-001 DVD Drive (8X) 175326-001 All models and CTO...
  • Page 129 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Spare Part Description Spare P/N Applicable Models Availability LCD Indicator (Disqplay) Module 138187-001 LCD Indicator (Disqplay) Module 177457-001 XL280 and CTO Logo Kit 169610-001 Manuals, See Beyond Setup Guide, Compaq Win2K,...
  • Page 130 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Spare Part Description Spare P/N Applicable Models Availability Processor (700 MHz PIII 256K) 175323-001 XL380, XL381, and after 6/6/00 Processor (750 MHz PIII 256K) 199193-001 after 6/19/00 Processor (800 MHz PIII)

This manual is also suitable for:

Xl380Xl381Xl390Presario 1800 seriesPresario 1800t series

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