Compaq 340 Series manual On-Button Board

Page 44

Removal and Replacement Procedures

4.12On-Button Board

1.Perform the preparation procedures.

2.Remove the hood.

3.Remove the front bezel. (Section 4.11)

4.Disconnect the on-button board connector from the system board.

5.Remove the two screws from the button board assembly, and pull the board off the chassis.

To replace the on-button board, reverse this sequence.

 

4–18

Compaq Prosignia Desktop 340 Series Computer

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Page 43 Page 45
Contents
Maintenance & Service Guide Page Contents Index Product Description Front Panel Controls and LEDs Computer FeaturesSystem Design Rear Panel Connectors Serial Number Location Spare Parts System Unit System Unit Description Spare Part Mass Storage Devices Mass Storage Devices Description Spare Part Cables Cables Description Spare Part Standard and Optional Boards Standard and Optional Boards Description Spare Part Miscellaneous Parts Miscellaneous Parts Description Spare PartKeyboards MonitorsSpare Parts Removal and Replacement Preliminaries and Routine Care Electrostatic Discharge InformationGenerating Static Typical Electrostatic VoltagesStatic Shielding Protection Levels Preventing Electrostatic Damage to EquipmentPersonal Grounding Methods and Equipment Grounding Workstations Recommended Materials and Equipment1 3.2.1 General Cleaning Safety Precautions Cleaning the Computer CaseCleaning the Keyboard Routine CareService Considerations Cleaning the MonitorCleaning the Mouse Tools and Software RequirementsCables and Connectors Lithium BatteryScrews Hard DrivesRemoval and Replacement Procedures Preparation for DisassemblyHood Power Supply Item Description CD Optical Drive Removal and Replacement Procedures Diskette Drive Removal and Replacement Procedures Hard Drive Removal and Replacement Procedures Video Card Network Card Fax/Modem Card Memory Module RTC Battery Processor Front Bezel On-Button Board System Board Bracket System Board 15 1/O Panel Removal and Replacement Procedures Jumpers and Switches Description System Board Jumpers and SwitchesSystem Board Jumpers and Switches Clearing and Setting Passwords Resetting Cmos System Board Jumpers and Switches Index Index Index-3 Index Compaq Prosignia Desktop 340 Series Computer
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