Page 1 Before You Begin Assignments Removal & Replacement Welcome to the Maintenance & Service Guide (MSG) Welcome to the Maintenance and Service Guide (MSG) for Compaq Presario 1800XL Series Notebook Computers. This online guide is designed to serve the needs of technicians whose job is to repair Compaq products.
Page 2: Using This Guide
Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Using this Guide To use this guide effectively, refer to the list of bookmarks at the left of the screen. These bookmarks help you navigate through the document quickly and easily. They are accessible from anywhere in the Maintenance and Service Guide (MSG).
Page 3: Before You Begin
Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Before You Begin Notice The information in this guide is subject to change without notice. COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.
Page 4: Technician Notes
Preface 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 5: Serial Number
Serial Number The unit’s serial number is required when requesting information or ordering spare parts. 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 •...
Page 6: 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. 1800 S RESARIO OTEBOOK AINTENANCE AND ERVICE UIDE...
Page 7: Models And Features
Models and Features Compaq Presario 1800 Series Portable Computer Models Features XL280* Display TFT 14.1 in TFT/LVD 15 in Processor 600 MHz 256 K Cache 650 MHz 256 K Cache Hard Drive 6.0 GB 12 GB CD or DVD 24X 2C CD-ROM Drive 6X DVD 8X DVD...
Page 8: Front Of Unit
Front of Unit Description Display Release Latch Display Power (On/Off) Button Keyboard TouchPad RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Integrated Speakers TouchPad Button (Left Scroll Up/Down Button TouchPad Button (Right Model Number 1800 S UIDE ERIES...
Page 9: Internet Zone Buttons And Lights
Internet Zone Buttons and Lights Model XL280 Description AC Adapter Light Caps Lock Light Instant Internet Access Instant E-mail Access My Presario Instant Access Power Button RODUCT ESCRIPTION Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Instant Search Button Online Marketplace (U.S./Puerto Rico) Instant Answer (outside the U.S.) Retail Central (U.S./Puerto Rico)
Page 10 Model XL3xx Description AC Adapter Light Caps Lock Light Instant Internet Access Instant E-mail Access My Presario Instant Access Power Button RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Digital Audio Button Entertainment Button Retail Central Button Num Lock Light Scroll Lock Light...
Page 11: Front Bezel Components
Front Bezel Components Description Previous Track Button Next Track Button Sleep Status Icon Power Status Icon Battery Charging Status Icon DisqPlay Status Icon RODUCT ESCRIPTION Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Battery Gauge DisqPlay On/Off Button Volume Down Button Volume Up Button Play/Pause Button...
Page 12: Left-Side Components
Left-Side Components Note: XL3xx models have silver lids. Description Security Slot CD or DVD Drive CD/DVD Drive Eject Button RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description CD or DVD Manual Eject Hole Diskette Drive Diskette Drive Eject Button 1800 S...
Page 13: Right-Side Components
Right-Side Components Note: XL3xx models have silver lids. Description Battery Compartment PC Card Eject Button PC Card Slot Headphone Jack RODUCT ESCRIPTION Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Microphone Jack Modem Port Ethernet Port RESARIO OTEBOOK 1800 S AINTENANCE AND ERVICE...
Page 14: Underneath The Unit
Underneath the Unit Description Pop-Up Foot Serial Number RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Memory Compartment Pop-Up Foot 1800 S UIDE ERIES RODUCT ESCRIPTION...
Page 15: Rear Connectors
Rear Connectors Note: XL3xx models have silver lids. Description Keyboard/Mouse Port AC Adapter Connector Parallel Port QuikDock Connector Fan Vent 10 P RODUCT ESCRIPTION Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description TV-Out Connector External Monitor Port Serial Ports Universal Serial Bus Port RESARIO OTEBOOK...
Page 16 Optional QuikDock Components Description QuikDock Interface Connector QuikDock Guide Posts Connectors Description Universal Serial Bus Port Universal Serial Bus Port Power (AC Adapter) Port Keyboard/Mouse Port Keyboard/Mouse Port RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Description Parallel Port...
Page 17: Specifications
Specifications Physical and Environmental Specification Height Depth Width Weight with 14.1-in. Display with 15.0-in. Display Battery Power Requirements Nominal Operating Maximum Average Peak Operating AC Power Requirements Operating Voltage Operating Current Operating Frequency Maximum Transient Temperature* Operating Non-operating Relative Humidity (noncondensing) Operating Non-Operating (wb = 38.7 C max) Altitude...
Page 18: System Interrupts
System Interrupts Hardware System Function IRQ 0 System timer IRQ 1 Standard 101/102-key or Microsoft Natural Keyboard IRQ 2 Programmable Interrupt Controller IRQ 3 Lucent 56K V.90 PCI DF Modem IRQ 3 ACPI IRQ Holder for PCI IRQ Steering IRQ 4 Communications Port (COM1) IRQ 5 ESS SOLO-1 PCI AudioDrive...
Page 19: System I/O Addresses
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 0062h-0062h ACPI Embedded Controller 0064h-0064h Standard 101/102-Key or Microsoft Natural Keyboard 0066h-0066h ACPI Embedded Controller...
Page 20 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 1400h-143Fh ESS SOLO-1 PCI AudioDrive ® 1440h-147Fh Intel ®...
Page 21: Memory Expansion
System Memory Catalog Memory Address 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 04100000h-F041FFFFh F4101000h-F41010FFh F4200000h-F4200FFFh F4200000h-F5FFFFFFh F4220000h-F423FFFFh F5000000h-F5FFFFFFh F8000000h-FBFFFFFFh FFF80000h-FFFFFFFFh Memory Expansion System Expansion Memory Board Memory 64 MB None...
Page 22: Diskette Drive
Display 15.0-in. TFT Specification with LVDS Unit Height 9.48 in. (24.05 cm) Unit Width 12.43 in. (31.55 cm) Display Height 8.99 in. (22.81 cm) Display Width 11.98 in. (30.41 cm) Weight 24.36 oz (690 g) Contrast Ratio 150:1 Brightness 120 cd/mm Response Time 50 ms or less Refresh Rate...
Page 23: Hard Drive
Hard Drive Specification Drive Type Height Width* Depth Weight* Seek Times* (typical): Read/Write (incl. settling) Single Track Full Stroke Transfer Rate at Interface Ultra DMA mode (max) Rotational Speed Interface* Buffer Size* Specification Drive Type Height Width* Depth Weight* Seek Times* (typical): Read/Write (incl.
Page 24: Battery Pack
Battery Pack Specification Type Height Length Width Weight Operating Lifetime Nominal Open Circuit Voltage Capacity Power Temperature Requirements Operating Non-operating Charging *The battery operating lifetime depends on your power management settings, system components, options, and applications. CD/CD-RW/DVD Drive Specification Dimensions Weight Rotational Speed Approx.*...
Page 25: Pin Assignments
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 Note: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).
Page 26: Universal Serial Bus (Usb) Connector
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 Data 2 Clock 1 Ground Clock 2 SSIGNMENTS Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390...
Page 27: Modem Connector
Modem Connector Signal Unused Ring External VGA Monitor Connector Pin Signal Red Analog Green Analog Blue Analog Not connected Ground Ground Analog Ground Analog Ground Analog RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Signal Unused Unused...
Page 28: Game Port Connector
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 Carrier Detect Receive Data Transmit Data Data Terminal Ready Signal Ground SSIGNMENTS Presario 1800/1800T Series Models: XL280, XL380, XL381,...
Page 29 QuikDock Connector Pin Signal Pin Signal Adapter Power Adapter Power Adapter Power Adapter Power Adapter Power Adapter Power Not Connected Printer Data 0 Printer Data 1 Printer Data 2 Printer Data 3 Printer Data 4 Printer Data 5 Printer Data 6 Printer Data 7 Lp Select QuikDock...
Page 30: Battery And Power Management
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 31 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. Note: Unsaved information is lost if the Notebook is shut down without saving the data. To activate Off mode, click the Start button on the Windows taskbar, click Shut Down, and then select Shut down from the options.
Page 32: Power Settings
Power management settings can be selected using several predefined Power Schemes. To access these options, select Power Management on the Control Panel, then click the Power Schemes tab. The default Power Schemes are Home/Office Desk, Portable/Laptop, and Always On. Power Schemes can also be customized by changing the following options: System Standby: length of inactivity before the Notebook goes into Standby mode.
Page 33 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. Ä...
Page 34: Recovering From A Loss Of Electrical Power
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. Then, restart the Notebook with a single press of the Power If the Notebook still does not recover, press the Power to shut it down, then remove the battery and unplug the AC power for at least 30 seconds.
Page 35 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 • Hardware configuration • Software applications •...
Page 36: Disposing Of A Used Battery Pack
Conditioning a Battery Pack Ä CAUTION: To avoid losing data, Make sure that all information is saved before completely discharging a battery pack. To condition a battery pack, complete the following steps: 1. Plug in the AC adapter and allow the battery to charge until the fast charge arrow on the status display disappears.
Page 37: Troubleshooting
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 following page. 2. Performing the Power-On Self-Test (POST) displayed. Note: If the Notebook is unable to complete POST or an error message is displayed, skip to Step 3 below to try to resolve the problem.
Page 38: Preliminary Steps
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 Password later in this chapter). 2.
Page 39: Clearing The Power-On Password
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. Turn off the Notebook. 2.
Page 40: 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 41 XX000YZZ 201–Memory Error Probable Cause Memory failure 301-Keyboard Error Probable Cause Keyboard failure 304–Keyboard or System Unit Error Probable Cause Keyboard or system board error 601–Diskette Controller Error Probable Cause Mismatch in drive type or failure in the diskette controller 605–Diskette Drive Error Probable Cause Mismatch in drive type...
Page 42: Compaq Diagnostics
1780–Primary Hard Drive 0 Failure Probable Cause Disk 0 failed to respond Hard drive format error 1782–Hard Drive Controller Probable Cause Hard drive controller failure 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 43 Checkup (TEST) TEST is included on the Compaq Diagnostics Diskette. TEST determines if the various Notebook components and devices are recognized by the system and are functioning properly. You can display, print, or save the information generated by TEST. Follow these steps to run TEST: 1.
Page 44: View System Information (Inspect)
10. Follow the on-screen instructions as the devices are tested. When testing is complete, the Test Option menu is displayed. 11. Exit the Test Option and Diagnostics menus. View System Information (INSPECT) The INSPECT utility provides information about the Notebook and installed or connected devices.
Page 45: Diagnostic Error Codes
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. The following tables list error codes, a description of the error condition, and the action required to resolve the error condition.
Page 46 Error Code Description 101-xx CPU test failed 102-xx Coprocessor or Weitek Error 103-xx DMA page registers test failed 104-xx Interrupt controller master test failed 105-xx Port 61 error 106-xx Keyboard controller self-test failed 107-xx CMOS RAM test failed 108-xx CMOS interrupt test failed 109-xx CMOS clock test failed 110-xx...
Page 47 Error Code Description 300-xx Failed ID Test 301-xx Failed Self-Test/Interface Test 302-xx Failed Individual Key Test 304-xx Failed Keyboard Repeat Test Error Code Description 401-xx Printer failed or not connected 402-xx Failed Port Test 403-xx Printer pattern test failed RESARIO OTEBOOK AINTENANCE AND ERVICE...
Page 48 Error Code Description 600-xx Diskette ID drive types test failed 601-xx Diskette format failed 602-xx Diskette read test failed 603-xx Diskette write, read, compare test failed 604-xx Diskette random read test failed 605-xx Diskette ID media failed 606-xx Diskette speed test failed 609-xx Diskette reset controller test failed...
Page 49 Error Code Description 1701-xx Hard drive format test failed 1702-xx Hard drive read test failed 1703-xx Hard drive write/read/compare test failed 1704-xx Hard drive random seek test failed 1705-xx Hard drive controller test failed 1706-xx Hard drive ready test failed 1707-xx Hard drive recalibration test failed...
Page 50 Error Code Description 501-xx Video controller test failed 502-xx Video memory test failed 503-xx Video attribute test failed 504-xx Video character set test failed 505-xx Video 80 x 25 mode 9 x 14 character cell test failed 506-xx Video 80 x 25 mode 8 x 8 character cell test failed 507-xx Video 40 x 25 mode test failed...
Page 51 Error Code Description 2402-xx Video memory test failed 2403-xx Video attribute test failed 2404-xx Video character set test failed 2405-xx Video 80 x 25 mode 9 x 14 character cell test failed 2406-xx Video 80 x 25 mode 8 x 8 character cell test failed 2408-xx Video 320 x 200 mode color set...
Page 52 Error Code Description 2419-xx ECG/VGC ROM checksum test failed 2421-xx ECG/VGC 640 x 200 graphics mode test failed 2422-xx ECG/VGC 640 x 350 16-color set test failed 2423-xx ECG/VGC 640 x 350 64-color set test failed 2424-xx ECG/VGC monochrome text mode test failed 2425-xx ECG/VGC monochrome graphics...
Page 53 Error Code Description 8601-xx Mouse test failed 8602-xx Interface test failed Error Code Description 3301-xx DVD or CD drive read test failed 3305-xx DVD or CD drive seek test failed 6600-xx ID test failed 6605-xx Read test failed 6608-xx Controller test failed 6623-xx Random read test failed RESARIO...
Page 54: Troubleshooting Without Diagnostics
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. Ä CAUTION: Carefully match the symptoms against the problem described to avoid a misdiagnosis.
Page 55: Solving Minor Problems
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. Audio Solutions A common audio problem and solution are listed in the following table. Problem Notebook does not beep after the...
Page 56 Problem Notebook is beeping and battery ( icon is blinking. Battery ( icon on the front of the unit blinks to indicate low-battery condition, but Notebook does not beep. Battery charging icon doesn’t light and battery pack won’t fast charge. You have to set the date and time every time you turn on the...
Page 57 Problem Battery charge does not last as long as expected. Battery pack is warm to the touch after charging. Battery pack operating time is far less than the documented average operating time. RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Battery Pack/Gauge...
Page 58 CD and DVD Drive Solutions Some causes and solutions for CD and DVD drive problems are listed in the following table. Problem CD or DVD drive cannot read a Compact Disc or Digital Versatile Disc. Diskette Drive Solutions Some causes and solutions for diskette drive problems are listed in the following table. Problem Diskette drive cannot write to a diskette.
Page 59 Problem Diskette drive cannot read a diskette. Cannot boot from diskette. Display Solutions This section lists some causes and solutions for common Notebook display and external monitor problems. You can perform a monitor self-test on an external VGA color or monochrome monitor by completing the following steps: 1.Turn off the monitor.
Page 60 Problem Display is blank and é the Standby icon is flashing. Notebook display is blank and the screen on an external monitor displays information. Notebook display flashes or has garbled characters when Notebook is connected to external monitor. The light tubes on the edge of the display panel do not light up at all and the Power-On...
Page 61 Problem Backlight (brightness) cannot be adjusted with Fn+F7 or Fn+F8. This display panel has a continuous pattern across it (e.g., “jailbars” pattern), has a single color on it, or has garbled graphics across the entire panel. This failure is for patterns across the entire panel (not just on one section).
Page 62 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. Problem Reading hard drive takes an unusually long time after restarting the...
Page 63 Keyboard/Numeric Keypad Solutions Some causes and solutions for keyboard/numeric keypad problems are listed in the following table. Problem Embedded numeric keypad on Notebook keyboard is disabled. Embedded numeric keypad is disabled and Num Lock function is Memory Solutions Some causes and solutions for memory problems are listed in the following table. Problem Memory count during Power-On Self-Test...
Page 64 PC Card Solutions The following table lists some causes and solutions for PC card problems. Problem While turned on, the Notebook does not beep when a PC card is inserted. PC card modem, fax, or network card does not work. PC card modem or fax card does not work.
Page 65 Problem PC card modem or fax card does not work. Modem network PC card does not work. Memory or storage PC card does not work. RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 PC Card Probable Cause The card is not supported.
Page 66: Power Solutions
Power Solutions Some causes and solutions for power problems are listed in the following table. See also Battery Pack/Gauge Solutions Problem Notebook will not turn on and the battery pack is not inserted. Notebook turned off while it was left unattended and the ª...
Page 67 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 68 TouchPad/Pointing Device Solutions The following table lists some causes and solutions for TouchPad/pointing device problems. Problem TouchPad or mouse does not work. External mouse does not work. TouchPad or mouse does not work even though the device is enabled in Windows. Cursor skips or moves abnormally when using the TouchPad.
Page 69: Contacting Compaq Support
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 • Any error messages that have occurred • Hardware configuration •...
Page 70: Removal And Replacement
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 71: Required Tools
Required Tools The following items are required to service the Notebook: Torx T-8 screwdriver • 5 mm nut drivers (for screwlocks and standoffs) • Small standard screwdriver • Small Phillips screwdriver • 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.
Page 72: Zif Connector
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 73 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 74 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. The following illustrations show the proper placement for other cables in the unit: CD/DVD Ribbon Cable •...
Page 75 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. The following illustrations show the proper placement for other cables in the unit: Hard Drive Ribbon Cable •...
Page 76 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. The following illustrations show the proper placement for other cables in the unit: Hard Drive Ribbon Cable •...
Page 77 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 CAUTION: When servicing the Notebook, make sure that cables are placed in their proper locations during the reassembly process.
Page 78 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. The following illustrations show the proper placement for other cables in the unit: Hard Drive Ribbon Cable •...
Page 79: Preparing The Notebook For Disassembly
Preparing the Notebook for Disassembly Before beginning the removal or replacement of any Notebook components, complete the following steps: 1. Disconnect AC power source and any external devices. 2. Disconnect the Notebook from the QuikDock 3. Remove any PC cards. 4.
Page 80: 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. QuikDock To disconnect from the QuikDock, lift the handle on top of the QuikDock to release the Notebook and lift the Notebook straight up.
Page 81 Battery Pack To remove the battery pack, complete the following steps: 1. Slide the battery pack compartment door down and remove it from the chassis 2. Pull the battery pack from the chassis by the tab located on the end of the battery pack To replace the battery pack, reverse these procedures.
Page 82 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 2.
Page 83 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. Continued on the next page.
Page 84 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. 1800 S & R RESARIO OTEBOOK AINTENANCE AND ERVICE UIDE ERIES...
Page 85 Keyboard To remove the keyboard, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover 3. Gently lift the front of the keyboard, disconnect the flex cable from the on the system board, and remove the keyboard. To replace the keyboard, reverse these procedures.
Page 86 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. To remove the button board cover, complete the following steps: 1.
Page 87 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. 18 R & R 1800 S EMOVAL EPLACEMENT RESARIO...
Page 88 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. 1800 S &...
Page 89 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. Lift and remove the cover from the chassis To replace the button board cover, reverse these procedures.
Page 90 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. Prepare the Notebook for disassembly 2.
Page 91 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 92 Heat Sink (Heatspreader) To remove the heat sink, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove six screws from the heat sink and lift it out of the chassis. To replace the heat sink, reverse these procedures.
Page 93 Modem To remove the modem, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the button board cover 5. Remove the heat sink 6. Disconnect the modem cable from the connector on the modem board 7.
Page 94 Hard Drive 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 hard drive, complete the following steps: 1. Prepare the Notebook for disassembly 2.
Page 95 4. Remove three screws from the hard drive mounting bracket. 5. Lift out the hard drive with drive mounting brackets attached. Ä CAUTION: The hard drive unit is susceptible to shock and must not be dropped or allowed to experience any rough treatment. Handle the hard drive with extreme care.
Page 96 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 6. To remove the hard drive mounting brackets, remove the two screws from each of side of the hard drive. To replace the hard drive and mounting brackets, reverse these procedures. 1800 S &...
Page 97 LCD DisqPlay Module 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 LCD DisqPlay Module, complete the following steps: 1. Prepare the Notebook for disassembly 2.
Page 98 Processor To remove the processor, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink Note: These Notebooks are equiped with one of two different types of processors. Match the processor in the unit with the correct procedure before attempting to remove it.
Page 99 b. With standard screwdriver, turn screw counter-clockwise toward “0” processor from the chassis To replace the processor, complete the following steps: 1. Fully align the processor pins with the socket holes on the connector. 2. Press down carefully on the processor directly over the connector to seat the it. 3.
Page 100 CD, CD-RW, or DVD Drive To remove the CD, CD-RW, or DVD Drive, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Turn the unit upside down and remove the two screws that secure the CD/DVD drive to the chassis.
Page 101 6. Turn the unit over (right side up) and open the display. 7. Remove the two screws located at the back of the CD/DVD drive. Continued on the next page. 32 R & R EMOVAL EPLACEMENT Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 RESARIO OTEBOOK...
Page 102 8. Disconnect the CD/DVD drive cable and push forward from the back of the drive to slide it out of the chassis. To replace the CD, CD-RW, or DVD drive, reverse these procedures. Ä CAUTION: When replacing the CD/DVD drive, ensure that the CD/DVD Ribbon Cable process.
Page 103 Display 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 display panel assembly, complete the following steps: 1. Prepare the Notebook for disassembly 2.
Page 104 6. Remove the two outermost screws from the display assembly hinges. Ä CAUTION: Support the display while removing the screws to prevent dropping and damaging the display. Continued on the next page. RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 1800 S...
Page 105 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 7. Lift the display assembly off the hinges. To replace the display panel assembly, reverse these procedures. 36 R & R 1800 S EMOVAL EPLACEMENT RESARIO OTEBOOK AINTENANCE AND ERVICE UIDE ERIES...
Page 106 Upper CPU Cover To remove the upper CPU cover, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the button board cover 6.
Page 107 Fan Assembly To remove the fan assembly, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the button board cover 6. Remove the Internet switch board 7.
Page 108 To remove the fan gasket, pull the gasket from the exterior of the fan. To replace the fan assembly and gasket, reverse these procedures. Important: When replacing the fan assembly, be sure that the side with the manufacturer’s label is facing toward the interior of the Notebook (the fan blades should be seen from the exterior and air should blow into the Notebook).
Page 109 Real Time Clock (RTC) Battery Ä CAUTION: Removing the RTC battery clears the power-on password and removes all setup attributes that are programmed in the CMOS. To remove the RTC battery, complete the following steps: 1. Prepare the Notebook for disassembly 2.
Page 110 10. Locate the RTC battery on the system board to the right of the CD/DVD drive near the rear edge of the chassis. 11. Using your fingers or a non-metallic object, gently pry up the RTC battery out of the battery socket Note: If you are clearing the CMOS attributes, keep the battery out for at least 10 seconds before replacing it.
Page 111 Diskette Drive To remove the diskette drive, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the CD, CD-RW or DVD Drive 6.
Page 112 12. Disconnect the diskette drive data cable board 13. Remove the screw that secures the diskette drive to the chassis, and lift the drive from the chassis To replace the diskette drive, reverse these procedures. Ä CAUTION: When replacing the diskette drive, make sure that the Diskette Drive Ribbon Cable process.
Page 113: Voltage Converter Board
Voltage Converter Board To remove the voltage converter board, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the button board cover 6.
Page 114: Speaker Assembly
Speaker Assembly To remove the speaker assembly, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the button board cover 6. Remove the Internet switch board 7.
Page 115 11. Disconnect the speaker cables from the system board and lift the speaker assembly from the chassis. To replace the speaker assembly, reverse these procedures. Ä CAUTION: When replacing the diskette drive, make sure that the Speaker Assembly Cable process. Improper cable placement can damage the Notebook. 46 R &...
Page 116 System Board To remove the system board, complete the following steps: 1. Prepare the Notebook for disassembly 2. Remove the Palmrest cover with TouchPad 3. Remove the keyboard 4. Remove the heat sink 5. Remove the button board cover 6. Remove the Internet switch board 7.
Page 117 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 17. Remove five standoffs (shown below) from the system board. Note: The four remaining standoffs located on the system board may be left in place. Continued on the next page. 48 R &...
Page 118 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 18. Remove the two screws from the CD/DVD drive mounting rail, and lift the mounting rail from the system board. Continued on the next page. 1800 S & R RESARIO OTEBOOK AINTENANCE AND ERVICE UIDE...
Page 119 19. Remove four screws (shown below) from the system board. Note: The edges of the system board may be secured by shielded tape. This tape must be removed to free the system board. Continued on the next page. 50 R &...
Page 120 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 20. Make sure that the PC card eject button is pushed inward , and then lift up the front of the system board and pull it forward to remove it from the chassis Important: Before replacing the system board, remove all remaining cables.
Page 121: Memory Module
Memory Module To remove the memory module, complete the following steps: 1. Prepare the Notebook for disassembly 2. Close the display and turn the Notebook upside down. 3. Remove the screw (shown) from the memory module door. 4. With the front of the Notebook facing you, slide the memory module door to the left and lift it off.
Page 122 Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 5. Pull the side levers to release the memory , and lift the memory module from the system board To replace the memory module, reverse these procedures. 1800 S & R RESARIO OTEBOOK AINTENANCE AND...
Page 123: Parts Catalog
Parts Catalog This chapter provides illustrations of the spare parts for Compaq Presario 1800XL Series Notebooks, and identifies the spare part ordering number and availability of each item. Illustrated Parts The following illustrations are typical of the spare parts provided with the Compaq Presario 1800XL Series Notebooks.
Page 124 Boards ARTS ATALOG Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 To order parts, refer to Part Numbers & Availability later in this chapter. RESARIO OTEBOOK Spare Part Items Heat Sink Modem (56K Data/Fax w/o SRAM) Voltage Converter Board Processor (500-850 MHz/128-256K Cache/Pentium or Celeron) LCD Indicator (Disqplay) Module...
Page 125: Display Assembly
Display Assembly RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Spare Part Item Display Panel: 14.1 or 15.0-inch TFT or TFT/SXGA (with LVDS, MD) To order parts, refer to Part Numbers & Availability later in this chapter. 1800 S UIDE ERIES...
Page 126 Mass-Storage Devices ARTS ATALOG Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 To order parts, refer to Part Numbers & Availability later in this chapter. RESARIO OTEBOOK Spare Part Items Hard Drive (6.0 - 32.0 GB) Diskette Drive (1.44 MB) DVD Drive (6X or 8X) (not shown) CD-ROM Drive (24X)
Page 127 Miscellaneous Cable Kit Miscellaneous Hardware Kit RESARIO OTEBOOK AINTENANCE AND ERVICE Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Miscellaneous Cable *Kit includes one each of the above To order parts, refer to Part Numbers & Availability later in this chapter. Miscellaneous Hardware *Kit includes one each of the above items.
Page 128: Miscellaneous Plastics Kit
Miscellaneous Plastics Kit ARTS ATALOG Presario 1800/1800T Series Models: XL280, XL380, XL381, and XL390 Miscellaneous Plastics *Kit includes one each of the above unless quantity is stated. To order parts, refer to Part Numbers & Availability later in this chapter. RESARIO OTEBOOK Spare Part Items...
Page 129: Miscellaneous Parts
Miscellaneous Parts Documentation & Software Beyond Setup Guide Compaq Win2K Guide Compaq WinME Guide Easy Setup Poster Emergency Recovery CD Kit Microsoft Win2K Professional Manual Kit Microsoft WinME Manual Kit Microsoft Word2000 CD Kit Options Catalog Owner Registration Card (Win2000) To order documentation or software, refer to chapter.
Page 130 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. Build-to-Order Models 1800 XL280 Model Build-to-Order Items Base Processor: Pentium III 650 MHz System Board: w/ 64 MB, 100 MHz SD Memory...
Page 131 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 Spare Part Description AC Adapter (60 W Slim 3 Wire) AC Adapter (60 W Slim 2 Wire) AC Power Cord (NA) AC Power Cord (Intl 3 Wire) AC Power Cord (UK 3 Wire)
Page 132 Spare Part Description Disqplay Module, See LCD Indicator Module DVD/CD-RW Combo Drive DVD Drive (6X W2K) DVD Drive (8X) Easy Setup Poster Emergency Recovery CD Kit Enclosure Base Enclosure Base (1 GHz) Fan Assembly Fan Assembly (1 GHz) Hard Drive (6.0 GB) Hard Drive (10.0 GB) Hard Drive (15.0 GB) Hard Drive (20.0 GB)
Page 133 Spare Part Description Memory (32 MB SDRAM, PC100, SO DIMM) Memory (64 MB SDRAM, PC100, SO DIMM) Memory (128 MB SDRAM, SO DIMM) Memory (256 MB SDRAM, PC100, SO DIMM) Microsoft Win2K Professional Manual Microsoft WinME Manual Kit Microsoft Word2000 CD Kit Miscellaneous Cable Kit Miscellaneous Hardware Kit Miscellaneous Plastics Kit...
Page 134 Spare Part Description Quick Restore Recovery CD Kit QuikDock (Port Replicator) Read-This-First Card: AOL Connection Read-This-First Card: Quick Restore (Win2000) Return Kit Safety and Comfort Guide SnapFish Assembly Card Speakers, Enclosure, and Cables System I/O Board (w/ 64 MB SDRAM) System I/O Board (w/ 64 MB SDRAM, 8 MB M3 VRAM) System I/O Board (w/ 64 MB SDRAM,...

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