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Compaq Armada m700 Compaq Armada M700 Series of Personal Computers Maintenance - Page 109

Voltage Converter Board

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5.18 Voltage Converter Board 1. Prepare the computer for disassembly (Section 5.5). 2. Remove the keyboard (Section 5.12). 3. Remove the switch cover (Section 5.14). 4. Remove the display assembly (Section 5.15). 5. Remove the top cover (Section 5.16). 6. Lift up on the front and right side of the voltage converter board to disconnect it from the system board (Figure 5-32). 7. Remove the voltage converter board. Figure 5-32. Removing the Voltage Converter Board Reverse the above procedure to connect the voltage converter board. 5-34 Removal and Replacement Procedures

Section	Page
NOTICE	2
CONTENTS	4
PRODUCT DESCRIPTION	10
1.1 Computer Features and Models	10
Models	11
Features	15
Intelligent Manageability	15
Accessing the Web Agent	16
Asset Management	16
Fault Management	17
Security Management	17
Configuration Management	18
Managing Power	18
Accessing Power Management	18
Power Management Levels	18
1.2 Computer Components	19
System Memory Options	19
Power Equipment	20
Mass Storage Devices	20
1.3 Computer External Components	21
Front Components	21
Rear Components	22
Left Side Components	23
Right Side Components	24
Top Components	25
Bottom Components	27
EasyPoint IV Pointing Stick Model Components	28
TouchPad Components	29
1.4 Design Overview	30
System Board	30
TROUBLESHOOTING	32
2.1 Preliminary Steps	33
2.2 Clearing Passwords	34
2.3 Power-On Self-Test (POST)	34
2.4 POST Error Messages	35
2.5 Compaq Utilities	38
Selecting Computer Setup or Compaq Diagnostics for Windows	38
Using Compaq Diagnostics for Windows	42
Factory Default Settings	42
2.6 Troubleshooting Without Diagnostics	44
Before Replacing Parts	44
Obtaining Update Information with Info Messenger	44
Checklist for Solving Problems	45
ILLUSTRATED PARTS CATALOG	58
3.1 Serial Number Location	58
3.2 Computer System Major Components	59
3.3 Plastics Kit Components	65
3.4 Cable Kit Components	67
3.5 Mass Storage Devices	68
3.6 Miscellaneous	69
REMOVAL AND REPLACEMENT PRELIMINARIES	70
4.1 Tools Required	70
4.2 Service Considerations	70
Plastic Parts	70
Cables and Connectors	71
4.3 Preventing Damage to Removable Drives	71
4.4 Preventing Electrostatic Damage	72
Packaging and Transporting Precautions	72
Workstation Precautions	73
Grounding Equipment and Methods	74
Electrostatic Voltage Levels and Protective Materials	75
REMOVAL AND REPLACEMENT PROCEDURES	76
5.1 Serial Number	76
5.2 Disassembly Sequence Chart	77
5.3 Disconnecting the Computer	78
5.4 Computer Feet	79
5.5 Preparing the Computer for Disassembly	80
5.6 Battery Packs	81
Removing a Primary Battery Pack from the Battery Bay	81
Inserting a Primary Battery Pack in the Battery Bay	82
5.7 Hard Drives	83
Removing a Hard Drive from the Hard Drive Bay	83
Inserting a Hard Drive into the Hard Drive Bay	85
5.8 MultiBay Devices	86
Removing MultiBay Devices	86
Inserting MultiBay Devices	87
Inserting a Hard Drive into the MultiBay Adapter	88
5.9 PC Cards	89
Removing a PC Card	90
Inserting a PC Card	91
5.10 Modem/Combo Card	92
5.11 RTC Battery	94
5.12 Keyboard	95
5.13 Memory Expansion	97
Removing a Memory Expansion Board	97
Installing a Memory Expansion Board	98
5.14 Switch Cover	99
5.15 Display Assembly	101
5.16 Top Cover	104
5.17 USB Board	108
5.18 Voltage Converter Board	109
5.19 Infrared Board	110
5.20 System Board	111
5.21 Fan	115
SPECIFICATIONS	118
6.1 Physical and Environmental	118
6.2 Displays	119
6.3 Hard Drives	120
6.4 Diskette Drive	121
6.5 CD-ROM Drive	122
6.6 DVD-ROM Drive	123
6.7 LS-120 Drive	124
6.8 Battery Pack	125
6.9 System DMA	125
6.10 System Interrupts	126
6.11 System I/O Addresses	127
6.12 System Memory Map	129
CONNECTOR PIN ASSIGNMENTS	130
POWER CORD SET REQUIREMENTS	136
3-Conductor Power Cord Set	136
Country-Specific Requirements	137