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Compaq Presario 1900 XL1 Maintenance & Service Manual

Presario 1900 series
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Compaq Presario 1900 XL1 Maintenance & Service Manual

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Summary of Contents for Compaq Presario 1900 XL1

  • Page 1 Thank you for purchasing this Factory Service Manual CD/DVD from servicemanuals4u.com. Please check out our eBay auctions for more great deals on Factory Service Manuals: servicemanuals4u...
  • Page 2 Compaq Presario 1900 Series Maintenance and Service Guide Home Page United States June 27, 2004 Maintenance & Service Guide Presario 1900 Series Models: XL1, XL160, XL161, XL162, XL163, and XL165 Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations...
  • Page 3 Compaq Presario 1900 Series Maintenance and Service Guide Home Page provides the technician with easier navigation. This MSG periodically will be maintained and updated online as needed. For content comments or questions, contact Tech Support.. To report a technical problem, contact your Regional Support Center or IM Help Center.

  • Page 4: Battery Operations

    Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Specifications This chapter covers the following specifications of Compaq Presario 1900 Series Portable Computers: Physical and Environmental System Interrupts System DMA System I/O Addresses System Memory Catalog Display Information...
  • Page 5 Specifications Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2index.html (2 of 2)6/27/2004 11:45:51 AM...

  • Page 6: Illustrated Parts Catalog

    Hardware and parts for Plastics Kit Presario Miscellaneous 1900 Parts Series Portable Documentation Computer. and Software Configure to Order computer serial number should be provided to Compaq whenever requesting information or ordering file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3illustra.html (1 of 2)6/27/2004 11:45:53 AM...
  • Page 7 Parts Catalog Section spare parts. The serial number is located on bottom of unit. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3illustra.html (2 of 2)6/27/2004 11:45:53 AM...

  • Page 8: Removal And Replacement Procedures

    Preparing the when Computer for requesting Disassembly information or ordering Battery Pack spare Hard Drive parts. The serial Keyboard number is located on Memory bottom of Module unit. Modem Heatspreader Processor Display Panel Assembly file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4index.html (1 of 2)6/27/2004 11:45:54 AM...
  • Page 9 Upper CPU Cover with Palmrest and TouchPad Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4index.html (2 of 2)6/27/2004 11:45:54 AM...

  • Page 10: Troubleshooting

    Troubleshooting Battery Operations Product Description Pin Assignments Index Troubleshooting This section covers troubleshooting information for the Preliminary Compaq Presario 1900 Series Portable Computers. The basic Steps steps in troubleshooting include: Clearing the Power-On 1. Follow the Preliminary Steps Password 2. Run the...
  • Page 11 Troubleshooting Section recommended actions. If the problem is intermittent, check the NOTE: computer several times to verify that the problem is solved. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5index.html (2 of 2)6/27/2004 11:45:54 AM...

  • Page 12: Increasing Battery Pack Operating Time

    Battery pack operating time can be increased by as much as 50 percent by controlling the energy required by the computer and the energy stored in the battery pack. Minimizing the Energy Required file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/6battery.html (1 of 3)6/27/2004 11:45:55 AM...

  • Page 13: Maximizing The Energy Stored

    The table below shows battery pack charge times by model. Battery Charge Time Computer On Line Off Line Li ion Battery Pack 4.5 hours premature termination 2:50 hr Disposing of a Used Battery Pack file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/6battery.html (2 of 3)6/27/2004 11:45:55 AM...
  • Page 14 Battery Pack Operations In the interest 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 15 Bottom of and light- Unit weight designs, Left Side outstanding and Top audio and Wedge video, Components advanced core Right Side features, Wedge Components attractive Rear styles. Connectors Port Removable Replicator Drive Wedge Connectors provides file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7index.html (1 of 3)6/27/2004 11:45:55 AM...
  • Page 16 Containing a full array of ports, some Presario computers accessible while the system is docked to the Port Replicator. This fully functional Intel Celeron- and Pentium II- based portable computer file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7index.html (2 of 3)6/27/2004 11:45:55 AM...
  • Page 17 Product Description Section provides full desktop versatility. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7index.html (3 of 3)6/27/2004 11:45:55 AM...
  • Page 18 Pin Assignments Index Pin Assignments This appendix provides connector pin assignment tables for Compaq Presario 1900 Series Portable Computers. For more information on connectors, refer to the section on Rear Connectors. NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*).
  • Page 19 Data Terminal Ready Signal Ground Data Set Ready Ready to Send Clear to Send Ring Indicator Keyboard/Mouse Connector Connector Signal Data Not defined Ground +5 VDC Clock Not defined External VGA Monitor Connector Connector Signal file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/8pin.html (2 of 4)6/27/2004 11:45:56 AM...
  • Page 20 Ground Analog Ground Analog Ground Analog Not connected Ground Monitor Detect DDC2B Data Horizontal Sync Vertical Sync DDC2B Clock Universal Serial Bus Connector Connector Signal 1 Ground 2 D+ 3 D- 4 Power Modem Connector file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/8pin.html (3 of 4)6/27/2004 11:45:56 AM...
  • Page 21 Unused Unused This information was not available at time of publication. Port Replicator Connector Signal Signal Signal Signal This information was not available at time of publication. LAN Connector 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/8pin.html (4 of 4)6/27/2004 11:45:56 AM...
  • Page 22 Compaq.com - MSGS - Index United States PRODUCTS SUPPORT SOLUTIONS SERVICES Compaq logo: Link to Compaq.com home page Compaq logo: Link to Compaq.com home page HOME & HOME OFFICE ...then... SUPPORT Support Home Page Minitowers, Microtowers, Desktops, Portables Software & Drivers...

  • Page 23: Specifications

    Stand-Alone (Battery Pack) Power Requirements NiMH Li-ion Nominal Operating W @ 9.6 V W @ 14.4 V Maximum Average W @ 9.6 V W @ 14.4 V Peak Operating W @ 9.6 V W @ 14.4 V file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2physenv.html (1 of 2)6/27/2004 11:45:58 AM...
  • Page 24 Vibration Operating 0.5 G Nonoperating 1.5 G NOTE: Applicable product safety standards specify thermal limits for plastic surfaces. Compaq Presario 1900 Series Portable Computers operate well within this range of temperatures. Next Page 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2physenv.html (2 of 2)6/27/2004 11:45:58 AM...

  • Page 25: System Interrupts

    System Interrupts Device(s) System Timer Standard 101/102-Key or Microsoft Natural Keyboard Programmable Interrupt Controller Ambit Modem Communications Port (COM1) ESS 1946 Audio Controller Standard Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysInterp.html (1 of 2)6/27/2004 11:45:58 AM...
  • Page 26 Texas Instruments PCI-1225 CardBus Controller ATI M1 Graphics Controller PS/2 Compatible Mouse Port Numeric Data Processor Intel 82371AB/EB PCI Bus Master IDE Controller Intel 82371AB/EB PCI Bus Master IDE Controller Next Page 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysInterp.html (2 of 2)6/27/2004 11:45:58 AM...

  • Page 27: United States June

    Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Specifications System DMA Device(s) ESS 1946 Audio Controller ESS 1946 Audio Controller Floppy Disk Controller Parallel Port (ECP Mode) Free Free Free Next file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysDMA.html (1 of 2)6/27/2004 11:45:59 AM...
  • Page 28 Specifications Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysDMA.html (2 of 2)6/27/2004 11:45:59 AM...

  • Page 29: System I/O Address

    00E0 - 00E1 Motherboard Resources 00F0 - 00FF Numeric Data Processor 0170 - 0177 Intel 82371AB/EB PCI Bus Master IDE Controller 01F0 - 01F7 Intel 82371AB/EB PCI Bus Master IDE Controller 0201 - 0201 Gameport Joystick file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysIOadd.html (1 of 5)6/27/2004 11:46:00 AM...

  • Page 30: System Memory Catalog

    1400 - 14FF PCI Communication Device 1800 - 1807 PCI Communication Device System Memory Catalog Memory Device Address 00000000 - System Board Extension for PnP BIOS 0009FFFF 000A0000 - ATI M1 Graphics Controller 000AFFFF file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysIOadd.html (2 of 5)6/27/2004 11:46:00 AM...

  • Page 31: Display Information

    F5000000 - ATI M1 Graphics Controller F5FFFFFF F8000000 - Intel 82443BX Pentium(r) II Processor to PCI Bridge (with FBFFFFFF GART support) FFF80000 - Motherboard Resources FFFFFFFF Display Information 12.1 in and 13.3 in TFT Display file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysIOadd.html (3 of 5)6/27/2004 11:46:00 AM...
  • Page 32 Number of Drives Supported Drive Rotation (rpm) Transfer Rate (Kbps/Sec) High Bytes per Sector Sectors per Track (High/Low) High Access Times Track-to-Track (ms) Head Setting (ms) 15ms Cylinders (High/Low) Not Available Number of Read/Write Heads Next Page file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysIOadd.html (4 of 5)6/27/2004 11:46:00 AM...
  • Page 33 Specifications Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2SysIOadd.html (5 of 5)6/27/2004 11:46:00 AM...

  • Page 34: June

    0274 - 0277 IO read data port for ISA Plug and Play Enumerator 0376 - 0376 Intel 82371AB/EB PCI Bus Master IDE Controller 0378 - 037F Printer Port (LPT1) 03B0 - 03BB ATI M1 Graphics Controller file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2system.html (1 of 5)6/27/2004 11:46:01 AM...
  • Page 35 F4000000 - F40000FF PCI Communication Device F4000400 - F40007FF PCI Fast Ethernet DEC 21143 Based Adapter F4100000 - F41FFFFF ATI M1 Graphics Controller F4100000 - F47FFFFF Intel 82443BX Pentium(r) II Processor to AGP Controller file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2system.html (2 of 5)6/27/2004 11:46:01 AM...
  • Page 36 Bytes per Sector Sectors per Track (High/Low) High High Access Times 25ms (1 cycle seek) 15ms 20ms (1 cycle seek) Track-to-Track (ms) Head Setting (ms) Cylinders (High/Low) Not Available High 1736 Number of Read/Write Heads file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2system.html (3 of 5)6/27/2004 11:46:01 AM...

  • Page 37: Hard Drive

    Rotational Speed - 5100RPM 3400 RPM Approx. Typical Transfer Rate 16.67MB/s 16.6MB/s(PIO) 4100KB/s 8100KB/s Sustained Data Transfer Rate Access Time 100ms Average Random Access Time Spin Up Time 2.0s 2.5s Data Buffer Capacity 1Mbit 128KB file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2system.html (4 of 5)6/27/2004 11:46:01 AM...
  • Page 38 Specifications Section Go back to the top of Specifications 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/2system.html (5 of 5)6/27/2004 11:46:01 AM...

  • Page 39: Illustrated Parts Catalog

    Miscellaneous Hardware and 159404- International Plastics Kit United 159404- Miscellaneous Kingdom Parts 159404- Documentation Germany and Software 331419- Configure to Order Denmark 159404- France 159404- Norway 159404- Japan 159404- Italy 159404- Belgium 159404- Korea file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3index.html (1 of 2)6/27/2004 11:46:03 AM...
  • Page 40 Enclosure with System Board and Speaker Assembly, (Bottom Plastics) Spare Part No: 159398-001 6. CPU Base Assembly Enclosure with Shield, (Bottom Plastics - Not Shown) Spare Part No: 140679-001 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3index.html (2 of 2)6/27/2004 11:46:03 AM...

  • Page 41: United States June

    Configure to Battery Order Charger Board w/RTC Battery 3. Modem w/ 174118- Shield, 56.0 001 or Kbps Data/ 331429- 4. Low Voltage 174110- Differential Signal Board (For 13.3' Display Panel) 5. Voltage 174112- Converter Board file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3boards.html (1 of 2)6/27/2004 11:46:04 AM...
  • Page 42 Parts Catalog Section 6. PC Card Assembly 7. Fan Assembly 174116- (Not Shown) 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3boards.html (2 of 2)6/27/2004 11:46:04 AM...

  • Page 43: Display Panel Assembly

    Assembly Panel Assembly w/ Mass Storage Cable 13.3 Devices inch TFT Miscellaneous Display 174109- Hardware and Panel Plastics Kit Assembly w/ Cable and Miscellaneous Connector, Parts 12.1 inch Documentation and Software Configure to Order file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3display.html (1 of 2)6/27/2004 11:46:04 AM...
  • Page 44 Parts Catalog Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3display.html (2 of 2)6/27/2004 11:46:04 AM...

  • Page 45: Mass Storage Devices

    XL160, Plastics Kit XL161, XL163 Miscellaneous Parts 12.0-GB XL1, 174113- XL162 Documentation and Software 6X DVD XL1, 159402- XL161, Configure to XL162, Order XL163 24X CD XL1, 144356- Drive w/ XL160 cable 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3mass.html6/27/2004 11:46:05 AM...
  • Page 46 Right and Software 3. CD/DVD 1 each Configure to Guide Rails Order 4. PC Card 1 each Placeholder 5. Display 1 each Panel Assembly Hinge Frame (Left and Right) 2 each Heatspreader with Thermal file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3mischardware.html (1 of 2)6/27/2004 11:46:06 AM...
  • Page 47 (Not Shown) Volume 1 each Switch Knob (Not Shown) Display Eject 1 each Latch (Not Shown) RJ11 Jack 1 each Assembly (Not Shown) Rubber Feet 2 each (Not Shown) 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3mischardware.html (2 of 2)6/27/2004 11:46:06 AM...

  • Page 48: Miscellaneous Parts

    2. Integrated 140663- 10/100BaseT Devices Ethernet Port Miscellaneous Replicator Hardware and Miscellaneous 159399- Plastics Kit Screw Kit Miscellaneous (Not Shown) Parts Y Cable 102422- Documentation Assembly (Not Shown) and Software Configure to Order 1.800.AT.COMPAQ file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3miscparts.html (1 of 2)6/27/2004 11:46:06 AM...
  • Page 49 Parts Catalog Section privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3miscparts.html (2 of 2)6/27/2004 11:46:06 AM...

  • Page 50: Documentation And Software

    Reference Guide [FrontPage Save Results Component] Order 117894-001 US Quick Reference Guide Not Available QuickFind for Windows, North America, Latin Not Available America, Asia Pacific QuickFind for Windows, Europe, Middle East, Africa Not Available file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3document.html (1 of 2)6/27/2004 11:46:07 AM...
  • Page 51 QuickFind Part Number Suffix Suffix Month Suffix Month -001 January -007 July -002 February -008 August -003 March -009 September -004 April -010 October -005 -011 November -006 June -012 December 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3document.html (2 of 2)6/27/2004 11:46:07 AM...
  • Page 52 Battery Operations Product Description Pin Assignments Index Illustrated Parts Catalog Configure To Order Features Compaq Presario 1900T Portable Computer Configure To Order Features Processors Celeron 500 uPGA2 Pentium III 500 uPGA2 System Memory 100MHz 64 SD (down) 100MHz 96SD (64down + 32up)
  • Page 53 Parts Catalog Section Back to Models and Features Back to Illustrated Parts Catalog 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/3CTOs.html (2 of 2)6/27/2004 11:46:07 AM...

  • Page 54: Removal And Replacement Procedures

    The table shows how different activities generate static electricity and at different electrostatic voltage levels. Typical Electrostatic Voltages Relative Humidity Event 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 file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4electro.html (1 of 2)6/27/2004 11:46:10 AM...
  • Page 55 26,000 V 20,000 V 7,000 V Packing PCBs in foam-lined box 21,000 V 11,000 V 5,000 V NOTE: 700 volts can degrade a product. Return to Removal & Replacement Procedures. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4electro.html (2 of 2)6/27/2004 11:46:10 AM...

  • Page 56: Service Considerations

    The screws used in the computer 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 57 Removal & Replacement Section Return to Removal & Replacement Procedures. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4service.html (2 of 2)6/27/2004 11:46:10 AM...

  • Page 58: Cables And Connectors

    CAUTION: When serving these computers, ensure that cables are placed in their proper location during the reassembly process. Improper cable placement can cause severe damage to the unit. Select the desired illustration Removing a cable from a ZIF Connector file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4cables1.html (1 of 2)6/27/2004 11:46:11 AM...

  • Page 59: Plastic Parts

    Plastic parts can be damaged by the use of excessive force during disassembly and reassembly. When handling the plastic parts, use care. Apply pressure only at the points designated in the maintenance instructions. Return to Removal & Replacement Procedures . 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4cables1.html (2 of 2)6/27/2004 11:46:11 AM...
  • Page 60 3. Remove any PC Cards. Computer for Disassembly 4. Remove the wedge. Battery Pack Hard Drive IMPORTANT: The battery pack should be removed before performing any internal maintenance on the computer. Keyboard Memory Module Modem Heatspreader Processor file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4proc1.html (1 of 2)6/27/2004 11:46:11 AM...
  • Page 61 Differential Signal Board Fan Assembly The Compaq Presario 1900 Series Portable Computers have several screws of various sizes which are not System Board NOTE: interchangeable. Care must be taken during reassembly to ensure that the correct screws are used in their correct location.

  • Page 62: Removing The Battery Pack

    Upper CPU the right, place Cover with your thumb in the groove, and Palmrest and pull the battery TouchPad pack forward Hard Drive/ from the unit. Battery Charger Board To replace the file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4batterypk.html (1 of 2)6/27/2004 11:46:12 AM...
  • Page 63 Insert the battery Signal Board pack into the chassis slot located on the Fan Assembly right side of the unit System Board and push in. Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4batterypk.html (2 of 2)6/27/2004 11:46:12 AM...

  • Page 64: Removing The Hard Drive

    Modem Heatspreader 3. Pull the hard Processor drive from the chassis slot. Display Panel Assembly To replace the hard Upper CPU drive, reverse the Cover with previous procedures. Palmrest and TouchPad file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4harddr.html (1 of 2)6/27/2004 11:46:13 AM...
  • Page 65 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4harddr.html (2 of 2)6/27/2004 11:46:13 AM...

  • Page 66: Removing The Keyboard

    Modem switch located Heatspreader in the center of the bottom of Processor the unit to the Display Panel right to release Assembly the keyboard. Upper CPU Next Step Cover with Palmrest and TouchPad file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4keybd1.html (1 of 2)6/27/2004 11:46:13 AM...
  • Page 67 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4keybd1.html (2 of 2)6/27/2004 11:46:13 AM...

  • Page 68: Removing The Memory Module

    Heatspreader memory Processor module, then unplug the Display Panel memory Assembly module from the system Upper CPU board. Cover with Palmrest and To replace the TouchPad memory module, reverse the previous procedures. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4memmod.html (1 of 2)6/27/2004 11:46:14 AM...
  • Page 69 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4memmod.html (2 of 2)6/27/2004 11:46:14 AM...

  • Page 70: Removing The Modem

    3. Remove two Module screws securing Modem the modem and pull the modem Heatspreader off the Processor connector on the system Display Panel board. Assembly Upper CPU Next Step Cover with Palmrest and TouchPad file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4modem.html (1 of 2)6/27/2004 11:46:15 AM...
  • Page 71 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4modem.html (2 of 2)6/27/2004 11:46:15 AM...
  • Page 72 3. Remove two screws from the Modem smaller half of Heatspreader the heatspreader Processor with thermal pad. You will Display Panel remove eight Assembly screws total to remove Upper CPU heatspreader. Cover with Palmrest and TouchPad file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4heatsprdr.html (1 of 2)6/27/2004 11:46:16 AM...
  • Page 73 NOTE: the thermal Converter pad under the heatspreader Board is properly Low Voltage replaced. Differential Signal Board Next Step Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4heatsprdr.html (2 of 2)6/27/2004 11:46:16 AM...

  • Page 74: Removing The Processor

    Assembly this type. To remove processor, Upper CPU follow these steps: Cover with Palmrest and A. Place tip of TouchPad standard screwdriver in Hard Drive/ center Battery slot Charger Board B. Twist file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4process1.html (1 of 2)6/27/2004 11:46:17 AM...
  • Page 75 WARNING: The Pentium Processor may be very hot when the unit has been running. Allow the processor to cool before handling it. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4process1.html (2 of 2)6/27/2004 11:46:17 AM...
  • Page 76 Assembly the unit. Using Upper CPU tweezers, Cover with gently lift from Palmrest and the bottom TouchPad edge of the hinge covers. Hard Drive/ Lift the hinge Battery covers off the Charger Board file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4display1.html (1 of 2)6/27/2004 11:46:17 AM...
  • Page 77 Use a pair of Low Voltage tweezers to Differential properly Signal Board NOTE: remove the display Fan Assembly hinges from System Board the unit. Speaker Assembly Next Step DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4display1.html (2 of 2)6/27/2004 11:46:17 AM...

  • Page 78: And Touchpad

    Processor Display Panel Remove the Assembly display Upper CPU assembly with Cover with flex cables Palmrest and attached. TouchPad Hard Drive/ 5. Remove four Battery screws located Charger Board at the top of the file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4CPU1.html (1 of 2)6/27/2004 11:46:18 AM...
  • Page 79 Signal Board 6. Remove a fifth screw located Fan Assembly just to the top System Board right of the fan. (Not shown). Speaker Assembly Next Step DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4CPU1.html (2 of 2)6/27/2004 11:46:18 AM...
  • Page 80 Heatspreader Processor Remove the Display Panel display assembly Assembly with flex cables Upper CPU attached. Cover with Palmrest and Remove the TouchPad Upper CPU Cover with Hard Drive/ Battery Palmrest/ Charger Board TouchPad/Fan. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4HDBC.html (1 of 2)6/27/2004 11:46:18 AM...
  • Page 81 Fan Assembly portion of the System Board chassis. Speaker To replace the hard Assembly drive/battery charger DVD or CD board reverse the Drive previous procedures. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4HDBC.html (2 of 2)6/27/2004 11:46:18 AM...

  • Page 82: Removing The Converter Board

    Remove the Module display panel Modem assembly. Heatspreader Remove the Processor Upper CPU Display Panel cover with Assembly Palmrest Cover Upper CPU and TouchPad. Cover with Palmrest and Remove the TouchPad hard drive. Remove the file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4sysbd4.html (1 of 2)6/27/2004 11:46:19 AM...
  • Page 83 Signal Board remove from Fan Assembly the chassis. System Board To replace the Speaker converter board, Assembly reverse the previous DVD or CD procedures. Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4sysbd4.html (2 of 2)6/27/2004 11:46:19 AM...
  • Page 84 Display Panel 4. Remove the two Assembly screws from the Upper CPU LVDS Interface Board and lift Cover with from the chassis. Palmrest and TouchPad To replace the LVDS Interface Board reverse the previous procedures. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4LVDS.html (1 of 2)6/27/2004 11:46:20 AM...
  • Page 85 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4LVDS.html (2 of 2)6/27/2004 11:46:20 AM...

  • Page 86: Removing The Fan Assembly

    4. Disconnect the fan Display Panel cable and lift the fan assembly from Assembly the slot on the Upper CPU system board. Cover with Palmrest and To replace the fan TouchPad assembly, reverse the previous procedures. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4fan.html (1 of 2)6/27/2004 11:46:21 AM...
  • Page 87 Removal & Replacement Section Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1_800_at_compaq.gif (692 bytes) privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4fan.html (2 of 2)6/27/2004 11:46:21 AM...

  • Page 88: Removing The System Board

    Preparing the Computer for Disassembly Remove the keyboard. Battery Pack Remove the display panel Hard Drive assembly. Keyboard Remove the heatspreader. Memory Module Remove the processor. Modem Heatspreader Next Step Processor Display Panel Assembly file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4sysbd.html (1 of 2)6/27/2004 11:46:21 AM...

  • Page 89: System Board

    Upper CPU Cover with Palmrest and TouchPad Hard Drive/ Battery Charger Board Converter Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4sysbd.html (2 of 2)6/27/2004 11:46:21 AM...

  • Page 90: Removing The Speaker Assembly

    Modem assembly. Heatspreader Remove the Processor Upper CPU Display Panel cover with Assembly Palmrest Cover TouchPad. Upper CPU Cover with Palmrest and 5. Remove two TouchPad screws from the speaker assembly, disconnect the file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4speaker.html (1 of 2)6/27/2004 11:46:22 AM...

  • Page 91: Speaker Assembly

    Converter the unit. Board To replace the Low Voltage speaker assembly, Differential reverse the previous Signal Board procedures. Fan Assembly System Board Speaker Assembly DVD or CD Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4speaker.html (2 of 2)6/27/2004 11:46:22 AM...
  • Page 92 ROM or DVD Drive and lift Display Panel the CD-ROM or Assembly DVD Drive with Upper CPU shield attached Cover with off the Palmrest and connector wedge. TouchPad To replace the CD- ROM or DVD Drive file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4DVD1.html (1 of 2)6/27/2004 11:46:23 AM...
  • Page 93 Hard Drive/ reverse the previous Battery procedures. Charger Board Converter Next Step Board Low Voltage Differential Signal Board Fan Assembly System Board Speaker Assembly DVD or CD- ROM Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4DVD1.html (2 of 2)6/27/2004 11:46:23 AM...

  • Page 94: Preliminary Steps

    Verify this by running POST with and without the external device connected. 5. Install loopback plugs in the serial and parallel connectors if you would like to test these ports. 6. Ensure the hard drive is installed in the computer. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5prelim.html (1 of 2)6/27/2004 11:46:24 AM...
  • Page 95 7. Ensure that the battery pack is inserted in the computer and the computer is connected to an external AC power source. When the preliminary steps are completed, you are ready to run POST 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5prelim.html (2 of 2)6/27/2004 11:46:24 AM...

  • Page 96: Clearing The Power- On Password

    1. Turn off the computer. 2. Disconnect the power cord. Remove the battery pack Remove the keyboard. Disconnect the backlight cable from the connector on the system board file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5ponpass.html (1 of 2)6/27/2004 11:46:25 AM...
  • Page 97 7. Reassemble the computer. 8. Turn on the computer to verify that the power-on password has been cleared. If it has not been cleared, repeat Steps 1 through 7. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5ponpass.html (2 of 2)6/27/2004 11:46:25 AM...

  • Page 98: Running Post

    CMOS reflects that an invalid Run Computer Setup. configuration has been set. RAM failure 1. Replace the memory modules. 2. Replace the system board. Memory test data error 1. Replace the memory modules. 2. Replace the system board. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5powermgt.html (1 of 3)6/27/2004 11:46:25 AM...
  • Page 99 Hard drive format error 1. Run Computer Checkup (TEST). 2. Replace the hard drive. 1782-Hard Drive Controller Probable Cause Recommended Action Hard drive controller failure 1. Run Computer Setup. 2. Replace the hard drive. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5powermgt.html (2 of 3)6/27/2004 11:46:25 AM...
  • Page 100 Troubleshooting Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5powermgt.html (3 of 3)6/27/2004 11:46:25 AM...

  • Page 101: Compaq Diagnostics

    Compaq Diagnostics is installed on the hard drive of the computer. Run the Diagnostics utilities when you want to view or test system information and if you have installed or connected devices. If you run Compaq Diagnostics from a diskette, ensure that it is version 10.11 or later.
  • Page 102 2. Turn on the external devices that you want to test. Connect the printer if you want to print a log of error messages. 3. Insert the Compaq Diagnostics diskette in drive A. 4. Turn on or restart the computer. The computer starts from drive A, and the Diagnostics Welcome screen appears.

  • Page 103: View System Information (Inspect)

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

  • Page 104: File:///C|/Download/Www.compaq.com/Athome/Support/Msgs/1900Xl/8Pin.html (1 Of 4)6/27/2004 11:45:56 Am

    Troubleshooting Section privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5diag.html (4 of 4)6/27/2004 11:46:26 AM...

  • Page 105: Diagnostic Error Codes

    Troubleshooting Diagnostic Error Codes Diagnostic error codes occur if the system recognizes a problem while running the Compaq Diagnostic program. These error codes help identify possibly defective subassemblies. The following tables list error codes, a description of the error condition, and the action required to resolve the error condition.

  • Page 106: Recommended Action

    Failed Memory Machine ID Test. 1. Flash the system ROM and retest. 2. Replace the system board and 202-xx Failed Memory System ROM retest. Checksum. 203-xx Failed Write/Read Test. 1. Remove the memory module and retest. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (2 of 7)6/27/2004 11:46:28 AM...
  • Page 107 605-xx Failed Diskette ID Media. 606-xx Failed Diskette Speed Test. Failed Diskette Reset Controller 609-xx Test. 610-xx Failed Diskette Change Line Test. 697-xx Diskette Type Error Diskette Drive Speed not within 698-xx Limits. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (3 of 7)6/27/2004 11:46:28 AM...
  • Page 108 Video Test Error Codes 501-xx Failed Video Controller Test. The following apply to error codes 501- xx through 516-xx: 502-xx Failed Video Memory Test. 503-xx Failed Video Attribute Test. 1. Disconnect external monitor and test file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (4 of 7)6/27/2004 11:46:28 AM...
  • Page 109 Failed Video 640 × 200 mode 2410-xx Test. Failed Video Screen Memory Page 2411-xx Test. 2412-xx Failed Video Gray Scale Test. 2414-xx Failed Video White Screen Test. 2416-xx Failed Video Noise Pattern Test. 2418-xx Failed ECG/VGC Memory Test. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (5 of 7)6/27/2004 11:46:28 AM...
  • Page 110 1. Replace the system board and retest. TouchPad/Pointing Device Interface Test Error Codes 8601 -xx Failed Mouse Test. 1. Replace the TouchPad and retest. 2. Replace the system board and retest. 8602-xx Failed Interface Test. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (6 of 7)6/27/2004 11:46:28 AM...
  • Page 111 4. Replace the CD/DVD drive and 6605-xx Failed Read Test. retest. 5. Replace the system board and 6608-xx Failed Controller Test. retest. 6623-xx Failed Random Read Test. Back to top 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5error.html (7 of 7)6/27/2004 11:46:28 AM...

  • Page 112: Troubleshooting Without Diagnostics

    Verify that all required changes have been made to the CONFIG.SYS file. Verify that all required changes have been made to the AUTOEXEC.BAT file. Verify that all printer drivers have been installed for each application. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5tswo.html (1 of 2)6/27/2004 11:46:28 AM...
  • Page 113 Troubleshooting Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5tswo.html (2 of 2)6/27/2004 11:46:28 AM...

  • Page 114: Solving Minor Problems

    Battery pack is discharged. Connect the computer to an external battery pack is inserted and power power source and charge the battery cord is unplugged. pack. Replace the battery pack with a fully charged battery pack. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (1 of 8)6/27/2004 11:46:30 AM...
  • Page 115 Computer Setup and in Windows operating time. Power Properties. An external device or PC Card is Turn off or disconnect external draining the battery. devices when not using them. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (2 of 8)6/27/2004 11:46:30 AM...

  • Page 116: Solving Diskette And Diskette Drive Problems

    Computer is writing to the wrong Check the drive letter in the path drive. statement. Not enough space is left on the Use another diskette. diskette. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (3 of 8)6/27/2004 11:46:30 AM...

  • Page 117: Solving Display Problems

    Screen save was initiated by Power Press any key or touch the Touch Management due to lack of user Pad. activity. Display has overheated. If computer is in direct sunlight, move it and allow it to cool off. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (4 of 8)6/27/2004 11:46:30 AM...
  • Page 118 This failure is for 1. System board patterns across the entire panel (not just on one section). 2. Display assembly file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (5 of 8)6/27/2004 11:46:30 AM...

  • Page 119: Solving Hard Drive Problems

    Turn off and unplug the computer, remove the battery pack, and remove and then reinstall the hard drive. Solving Hardware Installation Problems Some common causes and solutions for hardware installation problems are listed in the following table. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (6 of 8)6/27/2004 11:46:30 AM...

  • Page 120: Solving Keyboard/Numeric Keypad Problems

    "Out of Memory" message is displayed on System ran out of memory for the Check the application the screen or insufficient memory application. documentation for memory error occurs during operation. requirements. Install additional memory. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (7 of 8)6/27/2004 11:46:30 AM...
  • Page 121 Troubleshooting Section Too many TSR (terminate-and Remove from memory any TSR stay-resident) applications are applications that you do not need. running. Solving Minor Problems (continued) 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solving.html (8 of 8)6/27/2004 11:46:30 AM...

  • Page 122: Contacting Compaq Support

    Battery Operations Product Description Pin Assignments Index Troubleshooting Contacting Compaq Support Obtain the following information before 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 123 4. Close the display and all exterior doors of the computer. 5. Pack the computer with sufficient packing material to protect it. Use the original packing box or similar packaging. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5contactcpq.html (2 of 2)6/27/2004 11:46:31 AM...

  • Page 124: Product Description

    Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Product Description Models and Compaq Discovery 1900 Series Portable Computer Models Features Model Model Controls and XL160 XL161 Lights Display 12. 1" TFT 12. 1" TFT...
  • Page 125 Fax or 56.0 Kbps PCI Data/Fax 56.0 Kbps PCI Data/Fax (International) (International) DVD Drive 6X DVD Drive 6X DVD Drive Battery Li ion Li ion Configure To Order (CTOs) 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7models.html (2 of 2)6/27/2004 11:46:34 AM...
  • Page 126 Left Side Button and Top 5. Power Wedge (On/Off) Battery Components Button Charge Light Right Side 6. Instant Wedge Display Components Commerce Panel Rear Release Connectors Favorite Button Web site) Port Button Replicator Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7control.html (1 of 2)6/27/2004 11:46:35 AM...
  • Page 127 Product Description Section Port 7. Instant 15. Right E-Mail TouchPad Replicator Button Button Components Power Keyboard Integrated Management Speakers 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7control.html (2 of 2)6/27/2004 11:46:35 AM...
  • Page 128 Status Light Panel 2. Num Left Side Lock Light Components 3. Caps Right Side Lock Components Light Bottom of 4. Scroll Unit Lock Light Left Side and Top Wedge Components Right Side Wedge Components file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7status.html (1 of 2)6/27/2004 11:46:35 AM...
  • Page 129 Product Description Section Rear Connectors Port Replicator Connectors Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7status.html (2 of 2)6/27/2004 11:46:35 AM...
  • Page 130 Status Panel 3. PC Card Left Side Slots Components 4. PC Card Right Side Eject Levers Components 5. Hard Drive Bottom of Unit Left Side and Top Wedge Components Right Side Wedge Components Rear Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7leftside.html (1 of 2)6/27/2004 11:46:36 AM...
  • Page 131 Product Description Section Port Replicator Connectors Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7leftside.html (2 of 2)6/27/2004 11:46:36 AM...
  • Page 132 2. Volume Up/ Status Panel Down Button Left Side 3. Headphone Components Jack Right Side Components Microphone Jack Bottom of 5. Air Vent Unit Left Side and Top Wedge Components Right Side Wedge Components Rear Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rightside.html (1 of 2)6/27/2004 11:46:37 AM...
  • Page 133 Product Description Section Port Replicator Connectors Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rightside.html (2 of 2)6/27/2004 11:46:37 AM...
  • Page 134 Interface Lights Connector Status Panel Keyboard Left Side Eject Components Switch > 3. Battery Right Side Release Components Lever Bottom of Unit Left Side and Top Wedge Components Right Side Wedge Components Rear Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7bottom.html (1 of 2)6/27/2004 11:46:37 AM...
  • Page 135 Product Description Section Port Replicator Connectors Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7bottom.html (2 of 2)6/27/2004 11:46:37 AM...
  • Page 136 2. Wedge Right Side Release Button Components 3. System to Bottom of Wedge Interface Connector Unit 4. Alignment Pins Left Side and Top Wedge Components Right Side Wedge Components Rear Connectors Port Replicator Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7LTwedge.html (1 of 2)6/27/2004 11:46:38 AM...
  • Page 137 Product Description Section For the Port Presario Replicator 1900 XL Components Series, the Power wedge is Management serviced as a one Note: component. Consult repair technician prior to opening wedge. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7LTwedge.html (2 of 2)6/27/2004 11:46:38 AM...
  • Page 138 Components Drive or LS- 120 Drive Bottom of Slot Unit 3. Diskette Left Side Drive or LS- and Top 120 Drive Wedge Eject Button Components Right Side Wedge Components Back Connectors Port Replicator Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rtwedge.html (1 of 2)6/27/2004 11:46:39 AM...
  • Page 139 Product Description Section Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rtwedge.html (2 of 2)6/27/2004 11:46:39 AM...
  • Page 140 Mouse Port Components 4. Serial Right Side Port Components 5. Parallel Port Bottom of Unit 6. External Monitor Port Left Side 7. AC and Top Adapter Wedge Components Right Side Wedge Components Rear Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rearconn.html (1 of 2)6/27/2004 11:46:39 AM...
  • Page 141 Product Description Section Port Replicator Connectors Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7rearconn.html (2 of 2)6/27/2004 11:46:39 AM...
  • Page 142 7. Keyboard/Mouse Bottom of 8. USB Port Unit 9. MIDI/Game Pad/Joystick Port Left Side and Top 10. Security Lock Wedge Components Right Side Wedge Components Rear Connectors Port Replicator Connectors Port Replicator Components Power Management file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7portrep.html (1 of 2)6/27/2004 11:46:40 AM...
  • Page 143 Product Description Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7portrep.html (2 of 2)6/27/2004 11:46:40 AM...
  • Page 144 Damage may occur to the computer if it is Wedge "hot" plugged to the port replicator. Components Right Side Wedge Components Rear Connectors Port Replicator Connectors file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7eportrep.html (1 of 2)6/27/2004 11:46:41 AM...

  • Page 145: Port Replicator

    Product Description Section Port Replicator Components Power Management 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7eportrep.html (2 of 2)6/27/2004 11:46:41 AM...

  • Page 146: Power Management Settings

    Product Description Pin Assignments Index Product Description Compaq Presario 1900 Series Portable Computers are equipped with Advanced Power Management (APM). This Models and management system allows you to conserve battery power and customize the power saving settings to suit your Features individual needs.

  • Page 147: Hibernation Mode

    The setting for the hard drive must be less than or equal to the setting for the Rear NOTE: computer. Connectors Port Replicator Connectors If you are connected to a network, Compaq recommends you set System Standby to IMPORTANT: Port Never . Replicator Components Power Management Sleep Sleep mode is a low power mode, also referred to as Standby mode.
  • Page 148 If you need to install or replace components in your computer, you must turn the computer off completely . Follow the instructions above for putting the computer into Standard Off mode. Unplug the computer electrical cord from file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7power.html (3 of 4)6/27/2004 11:46:42 AM...
  • Page 149 Product Description Section the outlet and remove the battery if installed. 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/7power.html (4 of 4)6/27/2004 11:46:42 AM...
  • Page 150 Compaq logo: Link to Compaq.com home page EXPRESS PARTS (formerly EURP) HELP & SUPPORT Support Home Page The Express Parts formerly EURP Program is part of Compaq's comprehensive product Blaster Worm Alert purchase protection plan. Leveraging the Presario Easy Access Design, the Express Parts Progam enables customers to easily service their own PCs.
  • Page 151 Express Parts (formerly EURP) privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/eurp.html (2 of 2)6/27/2004 11:46:47 AM...
  • Page 152 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. ©1998 Compaq Computer Corporation.
  • Page 153 Before You Begin Section First Edition (Oct. 1998) Compaq Computer Corporation 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/1notice.html (2 of 2)6/27/2004 11:46:48 AM...

  • Page 154: Technician Notes

    This Maintenance and Service Guide is a troubleshooting guide that can be used for reference when servicing the Compaq Presario 1900 Series Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 1900 Series Portable Computers without notice. See Notice for license and nondisclosure agreements.
  • Page 155 Improper repairs can create a safety hazard. Any indications of component replacement or printed circuit board modifications may void any warranty Serial Number When requesting information or ordering spare parts, the computer serial number should be provided to Compaq. The serial number is located on the bottom of the computer. Locating Additional Information...

  • Page 156: Before You Begin

    Rear Connectors Rightside Components Right Side Wedge Components Status Panel Parts Catalog Boards Configure to Order Display Assembly Documentation and Software Mass Storage Devices Miscellaneous Hardware and Plastics Kit Miscellaneous Parts Kit System Unit file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/1TOC.html (1 of 3)6/27/2004 11:46:51 AM...
  • Page 157 Hard Drive/Battery Charger Board Heatspreader Hinge Keyboard Low Voltage Differential Signal Interface Board (LVDS) Memory Module Modem PC Card Slot Preparing the Computer for Disassembly Processor RJ-11 Cable Serial Number Service Considerations Speaker Assembly System Board file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/1TOC.html (2 of 3)6/27/2004 11:46:51 AM...
  • Page 158 Clearing the Power-On Password Compaq Diagnostics Contacting Compaq Support Diagnostic Error Codes Power-On Self Test (POST) Preliminary Steps Solving Minor Problems Troubleshooting Without Diagnostics Top of Page 1_800_at_compaq.gif (692 bytes) privacy and legal statement file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/1TOC.html (3 of 3)6/27/2004 11:46:51 AM...

  • Page 159: Before You Begin Removal Sequence Product Description

    Pin Assignments Index Removing the Display Panel Assembly Hinge Bracket 12. Remove two screws from the Display Panel Assembly Hinge Bracket with hinge to base ground clip and lift off the chassis. Next Step file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4hinge.html (1 of 2)6/27/2004 11:46:53 AM...
  • Page 160 Removal & Replacement Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4hinge.html (2 of 2)6/27/2004 11:46:53 AM...

  • Page 161: Removal And Replacement Procedures

    Card Slot Remove the Upper CPU cover with Palmrest Cover and TouchPad. Remove the hard drive. Remove the modem. Remove the hard drive/battery charger board. Remove the converter board. 6. Remove the PC Card Slot. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4process2.html (1 of 2)6/27/2004 11:46:56 AM...
  • Page 162 Removal & Replacement Section Next Step 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4process2.html (2 of 2)6/27/2004 11:46:56 AM...

  • Page 163: Removing The System Board

    Removal & Replacement Section United States June 27, 2004 STORE | PRODUCTS | Compaq logo: Link to SERVICES | SUPPORT | Compaq.com home page CONTACT US | SEARCH Maintenance & Service Guide Presario 1900 Series Models: XL1, XL160, XL161, XL162, XL163, and XL165...
  • Page 164 (ZIF) connector for the keyboard cable to the system board. To remove a cable from a ZIF connector, lift both corners of the ZIF connector and slide simultaneously with constant light force. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4Zif.html (1 of 3)6/27/2004 11:46:56 AM...
  • Page 165 ZIF connectors on the system board. When replacing Note: the keyboard, fold the flex cables as illustrated. The J7 (Slender) cable must first be folded towards the display. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4Zif.html (2 of 3)6/27/2004 11:46:56 AM...
  • Page 166 Removal & Replacement Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4Zif.html (3 of 3)6/27/2004 11:46:56 AM...

  • Page 167: Solving Pc Card Problems

    Card is not fully inserted into the Ensure the card is inserted in the card does not work. slot or is not inserted properly. correct orientation. Telephone cord is not plugged in Check and secure telephone all the way. connection. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solv.html (1 of 5)6/27/2004 11:46:58 AM...

  • Page 168: Solving Power Problems

    Insert battery or connect an is not inserted. power source. external power source. Power cords to the external Ensure that power cords power source are unplugged. connecting the computer and the external power source are plugged in properly. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solv.html (2 of 5)6/27/2004 11:46:58 AM...

  • Page 169: Solving Printer Problems

    Printer cable is too long, Replace the cable. unshielded, or defective. Paper tray is empty. Fill the paper tray with paper and set the printer to online. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solv.html (3 of 5)6/27/2004 11:46:58 AM...

  • Page 170: Solving Touch Pad/Pointing Device Problems

    Cursor skips or moves abnormally when The Touch Pad needs to be Clean the Touch Pad with a using the Touch Pad. cleaned. cloth dampened with alcohol or an ammonia-based glass cleaner. Wipe up liquid with a dry cloth. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solv.html (4 of 5)6/27/2004 11:46:58 AM...
  • Page 171 Troubleshooting Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/5solv.html (5 of 5)6/27/2004 11:46:58 AM...
  • Page 172 Search all Hewlett-Packard web pages in the United States (English only) by entering your search words, phrase or question below: Submit Query privacy statement using this site means you accept its terms feedback to webmaster © 1994-2002 Hewlett-Packard Company file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4wedge6.html6/27/2004 11:47:08 AM...
  • Page 173 To remove a cable from a ZIF connector, lift both corners of the ZIF connector NOTE: and slide simultaneously with constant light force and then remove the cable. 5. Lift the keyboard out file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4keybd2.html (1 of 2)6/27/2004 11:47:10 AM...

  • Page 174: Replacement Procedures

    Removal & Replacement Section of the chassis. To replace the keyboard, reverse the previous procedures. Return to Removal and Replacement Procedures 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4keybd2.html (2 of 2)6/27/2004 11:47:10 AM...

  • Page 175: Before You Begin Removal Sequence Product Description

    Removing the Modem, continued 4. Disconnect the modem cable from the modem, and lift the modem from the chassis. To replace the modem, reverse the previous procedures. bt.GIF (34694 bytes) Return to Removal & Replacement Procedures. file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4modem2.html (1 of 2)6/27/2004 11:47:11 AM...
  • Page 176 Removal & Replacement Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4modem2.html (2 of 2)6/27/2004 11:47:11 AM...
  • Page 177 Memory heatspreader. Module Modem 4. Remove four Heatspreader screws from the larger half of the Processor heatspreader. Display Panel Review next step Assembly before removing heatspreader. Upper CPU Cover with Palmrest and TouchPad file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4heatsprd2.html (1 of 2)6/27/2004 11:47:13 AM...
  • Page 178 Converter pad under the heatspreader Board is properly Low Voltage replaced. Differential Signal Board Next Step Fan Assembly System Board Speaker Assembly DVD or CD Drive Diskette Drive 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4heatsprd2.html (2 of 2)6/27/2004 11:47:13 AM...
  • Page 179 To Upper CPU remove processor, Cover with follow these steps: Palmrest and TouchPad A. Place tip of standard Hard Drive/ screwdriver in Battery screw Charger Board B. Turn screwdriver file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4processor2.html (1 of 3)6/27/2004 11:47:14 AM...
  • Page 180 Replace processor by following these procedures: A. Fully align the processor connector with system board. B. Insert and press down carefully on the processor in the proper connectors. C. Turn screwdriver toward file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4processor2.html (2 of 3)6/27/2004 11:47:14 AM...
  • Page 181 Removal & Replacement Section the number "1." 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4processor2.html (3 of 3)6/27/2004 11:47:14 AM...
  • Page 182 13.3 inch Display Panel Assembly, continued 4. Open the display panel assembly and remove the screw from the backlight cable. Disconnect the backlight cable from the ZIF connector on the system board. Next Step file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4display6.html (1 of 2)6/27/2004 11:47:15 AM...
  • Page 183 Removal & Replacement Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4display6.html (2 of 2)6/27/2004 11:47:15 AM...
  • Page 184 (10791 bytes) screws located at the bottom of the unit which secures the Upper CPU Cover with Palmrest and TouchPad. 8. Remove two screws on the rear of the unit. Next Step file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4cpu2.html (1 of 2)6/27/2004 11:47:16 AM...
  • Page 185 Removal & Replacement Section 1.800.AT.COMPAQ privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4cpu2.html (2 of 2)6/27/2004 11:47:16 AM...
  • Page 186 4. Remove the screw which secure the CD-ROM or DVD Drive shield . To replace the CD-ROM or DVD Drive shield, reverse the previous procedure. Return to Removal and Replacement Procedures. 1.800.AT.COMPAQ file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4DVD2.html (1 of 2)6/27/2004 11:47:19 AM...
  • Page 187 Removal & Replacement Section privacy statement legal notices file:///C|/download/www.compaq.com/athome/support/msgs/1900XL/4DVD2.html (2 of 2)6/27/2004 11:47:19 AM...

This manual is also suitable for:

Presario 1900 xl161Presario 1900 xl162Presario 1900 xl160Presario 1900 xl163Presario 1900 xl165

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