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Compaq N150 Evo Notebook N150 Series Maintenance and Service Guide - Page 153

RJ-11 jack A-2

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Index connector pin assignments external monitor connector A-5 headphone jack A-1 microphone jack A-1 modem jack A-2 network interface jack A-3 parallel connector A-6 RJ-11 jack A-2 RJ-45 jack A-3 serial connector A-4 speaker jack A-1 universal serial bus (USB) connector A-3 connectors 4-2 cursor control keys 1-13 D design overview 1-18 disassembly sequence chart 5-3 diskette drive illustrated 3-11 light 1-15 spare part number 3-11 specifications 6-6 display illustrated 3-2 installation 5-9 lid switch board illustrated 3-10 removal 5-23 removal 5-8 spare part number 3-3, 5-8 specifications 6-3 DMA specifications 6-11 drive light indicator 1-14 drives, preventing damage 4-2 DVD-ROM drive illustrated 3-11 spare part number 3-11 specifications 6-8 E Easy Access buttons 1-15 electrostatic damage, preventing 4-4 voltage levels 4-7 embedded numeric keypad 1-13 EMI shield illustrated 3-9 removal 5-10 external monitor connector location 1-11 pin assignments A-5 F fan 1-17 features 1-5 Fn key 1-13 function keys 1-13 G grounding equipment 4-6 methods 4-6 Index-2 Maintenance and Service Guide

Section	Page
Compaq Notebook Evo N150 Series	1
Notice	2
Contents	3
Product Description	6
1.1 Models and Features	6
Models	7
Features	10
1.2 Clearing a Password	11
1.3 Power Management	12
1.3 External Computer Components	13
1.4 Design Overview	23
Troubleshooting	24
Using the PhoenixBIOS Setup Utility	25
Troubleshooting Flowcharts	26
2.1 Initial Troubleshooting	27
2.2 No Power, Part 1	28
2.3 No Power, Part 2	29
2.4 No Power, Part 3	30
2.5 No Power, Part 4	31
2.6 No Video, Part 1	32
2.7 No Video, Part 2	33
2.8 Non Functioning Docking Station (if applicable)	34
2.9 No Operating System (OS) Loading	35
2.10 No OS Loading from Hard Drive, Part 1	36
2.11 No OS Loading from Hard Drive, Part 2	37
2.12 No OS Loading from Hard Drive, Part 3	38
2.13 No OS Loading from Diskette Drive	39
2.14 No OS Loading from CD- or DVD-ROM Drive	40
2.15 No Audio, Part 1	41
2.16 No Audio, Part 2	42
2.17 Non Functioning Device	43
2.18 Non Functioning Keyboard	44
2.19 Non Functioning Pointing Device	45
2.20 Network or Modem Connection	46
Illustrated Parts Catalog	47
3.1 Serial Number Location	47
3.2 Computer System Major Components	48
3.3 Miscellaneous Plastics Kit Components	54
3.4 Miscellaneous Hardware Kit Components	55
3.5 Cable Kit Components	56
3.6 Mass Storage Devices	57
3.7 Miscellaneous	58
Removal and Replacement Preliminaries	60
4.1 Tools Required	60
4.2 Service Considerations	60
Plastic Parts	61
Cables and Connectors	61
4.3 Preventing Damage to RemovableDrives	61
4.4 Preventing Electrostatic Damage	63
4.5 Packaging and Transporting Precautions	63
4.6 Workstation Precautions	64
4.7 Grounding Equipment and Methods	65
Removal and Replacement Procedures	67
5.1 Serial Number	68
5.2 Disassembly Sequence Chart	69
5.3 Preparing the Computer for Disassembly	70
5.4 Computer Feet	70
5.5 Hinge Covers	71
5.6 Keyboard	72
5.7 Display	74
5.8 EMI Shield	76
5.9 Top Cover	77
5.10 TouchPad	81
5.11 Speakers	84
5.12 Microphone	87
5.13 Display Lid Switch Board	89
5.14 Heat Sink	90
5.15 Infrared Board	92
5.16 System Board	94
5.17 PC Card Assembly	99
5.18 Mini PCI Board	101
5.19 Disk Cell RTC Battery	103
Specifications	105
Connector Pin Assignments	121
Power Cord Set Requirements	127
3-Conductor Power Cord Set	127
General Requirements	127
Country-Specific Requirements	128
Notes	128
Screw Listing	130