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Maintenance and Service Guide
b
Maintenance and Service Guide
Compaq Notebook Evo N150 Series
Document Part Number: 238849-001
June 2001
This guide is a troubleshooting reference used for maintaining
and servicing the notebook. It provides comprehensive
information on identifying computer features, components, and
spare parts, troubleshooting computer problems, and performing
computer disassembly procedures.
© 2001 Compaq Computer Corporation
Compaq, the Compaq logo, Armada, and Deskpro Registered in U. S. Patent and
Trademark Office. Evo is a trademark of Compaq Information Technologies
Group, L.P. in the U.S. and other countries.
Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft
Corporation in the United States and other countries.
Intel, Pentium, and Celeron are trademarks of Intel Corporation in the
United States and other countries.
All other product names mentioned herein may be trademarks of their respective
companies.
Compaq shall not be liable for technical or editorial errors or omissions
contained herein. The information in this document is provided “as is” without
warranty of any kind and is subject to change without notice. The warranties for
Compaq products are set forth in the express limited warranty statements
accompanying such products. Nothing herein should be construed as
constituting an additional warranty.
Maintenance and Service Guide
First Edition (June 2001)
Document Part Number: 238849-001
Contents
1 Product Description
1.1ModelsandFeatures ......................... 1–1
Models.................................... 1–2
Features................................... 1–5
1.2ClearingaPassword.......................... 1–6
1.3PowerManagement.......................... 1–7
1.3ExternalComputerComponents ................ 1–8
1.4DesignOverview........................... 1–18
2 Troubleshooting
UsingthePhoenixBIOSSetupUtility............... 2–2
Troubleshooting Flowcharts....................... 2–3
2.1 Initial Troubleshooting . ................... 2–4
2.2NoPower,Part1......................... 2–5
2.3NoPower,Part2......................... 2–6
2.4NoPower,Part3......................... 2–7
2.5NoPower,Part4......................... 2–8
2.6NoVideo,Part1 ......................... 2–9
2.7NoVideo,Part2 ........................ 2–10
2.8 Non Functioning Docking Station
(ifapplicable).............................. 2–11
2.9NoOperatingSystem(OS)Loading......... 2–12
2.10NoOSLoadingfromHardDrive,Part1..... 2–13
2.11NoOSLoadingfromHardDrive,Part2..... 2–14
2.12NoOSLoadingfromHardDrive,Part3..... 2–15
2.13NoOSLoadingfromDisketteDrive........ 2–16
2.14 No OS Loading from CD- or
DVD-ROMDrive .......................... 2–17
MaintenanceandServiceGuide
iii
2.15NoAudio,Part1 ....................... 2–18
2.16NoAudio,Part2 ....................... 2–19
2.17NonFunctioningDevice................. 2–20
2.18NonFunctioningKeyboard............... 2–21
2.19NonFunctioningPointingDevice.......... 2–22
2.20NetworkorModemConnection ........... 2–23
3 Illustrated Parts Catalog
3.1SerialNumberLocation....................... 3–1
3.2 Computer System Major Components . ........... 3–2
3.3 Miscellaneous Plastics Kit Components .......... 3–8
3.4 Miscellaneous Hardware Kit Components......... 3–9
3.5 Cable Kit Components ....................... 3–10
3.6MassStorageDevices ....................... 3–11
3.7Miscellaneous.............................. 3–12
4 Removal and Replacement Preliminaries
4.1ToolsRequired.............................. 4–1
4.2ServiceConsiderations........................ 4–1
PlasticParts................................ 4–2
CablesandConnectors ....................... 4–2
4.3PreventingDamagetoRemovableDrives......... 4–2
4.4PreventingElectrostaticDamage................ 4–4
4.5PackagingandTransportingPrecautions.......... 4–4
4.6WorkstationPrecautions ...................... 4–5
4.7 Grounding Equipment and Methods . . ........... 4–6
5 Removal and Replacement Procedures
5.1SerialNumber .............................. 5–2
5.2DisassemblySequenceChart................... 5–3
5.3PreparingtheComputerforDisassembly ......... 5–4
5.4ComputerFeet .............................. 5–4
5.5HingeCovers............................... 5–5
5.6Keyboard .................................. 5–6
5.7Display.................................... 5–8
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MaintenanceandServiceGuide
5.8EMIShield................................ 5–10
5.9TopCover................................. 5–11
5.10TouchPad................................ 5–15
5.11Speakers................................. 5–18
5.12Microphone .............................. 5–21
5.13DisplayLidSwitchBoard ................... 5–23
5.14HeatSink ................................ 5–24
5.15InfraredBoard ............................ 5–26
5.16SystemBoard............................. 5–28
5.17PCCardAssembly......................... 5–33
5.18MiniPCIBoard ........................... 5–35
5.19DiskCellRTCBattery...................... 5–37
6 Specifications
A Connector Pin Assignments
B Power Cord Set Requirements
3-ConductorPowerCordSet...................... B–1
GeneralRequirements........................ B–1
Country-Specific Requirements . ................... B–2
Notes ..................................... B–2
C Screw Listing
Index
MaintenanceandServiceGuide
v
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