Table of Contents
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Before You Begin
Removal Sequence
Product Description
Before You Begin
Product
Description
Troubleshooting
Illustrated
Parts Catalog
Removal &
Replacement
Procedures
Specifications
Connector
Pin
Assignments
Battery Pack
Operations
Presario 305 Model
Troubleshooting
Pin Assignments
copyright and trademark information, and see
symbol conventions, Technician Notes and Serial Number
locations on the unit.
This MSG will be periodically maintained and updated as
needed. To report a technical problem, contact your
Regional Support Center or IM Help Center. For content
comments or questions, contact
Specifications
Parts Catalog
Battery Operations
Index
Preface
Compaq.
See
Notice
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Related Manuals for Compaq Presario 305
Summary of Contents for Compaq Presario 305
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Page 1: Before You Begin
This MSG will be periodically maintained and updated as needed. To report a technical problem, contact your Regional Support Center or IM Help Center. For content comments or questions, contact Presario 305 Model Specifications Troubleshooting Pin Assignments Compaq. - Page 2 Computer Corporation. © 1999 Compaq Computer Corporation. All rights reserved. Printed in the U.S.A. Compaq and Presario are registered in the U. S. Patent and Trademark Office. Microsoft, MS-DOS, Windows and Windows NT are registered trademarks of Microsoft Corporation. Windows 98 is a trademark of Microsoft Corporation.
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Page 3: Technician Notes
Preface This Maintenance and Service Guide is a troubleshooting reference that can be used when servicing the Compaq Presario 305 Model Portable Computers. Compaq Computer Corporation reserves the right to make changes to the Compaq Presario 305 Model Portable Computers without notice. -
Page 4: Product Description
Left Side Components Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index The Compaq Presario 305 Computer provides industry- leading features in a... -
Page 5: Models And Features
Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Compaq Presario 305 Model Portable Computer Display 11.3-inch Color TFT Display Processor 333 MHz Celeron II (with 128k integrated cache) Hard 4.3 GB Drive Total 64 MB SDRAM... - Page 6 Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Display Release Latch Display Hard Drive Light Diskette Drive Light Scroll Lock Light...
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Page 7: Front Components
Components Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Battery Light 2 Power/Suspend Light 3 Microphone Jack 4 Stereo Speaker/Headphone Jack... -
Page 8: Left-Side Components
Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 1 Power Connector 2 Power Button 3 Security Cable Slot 4 Hard Drive Bay... -
Page 9: Right-Side Components
Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 1 PC Card Slot 2 PC Card Eject Lever 3 Air Intake/Exhaust Vents... - Page 10 Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 1 Battery Latches 2 Real-time Clock Battery Bottom of fan (Fan removable from inside only)
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Page 11: Rear Connectors
Right Side Components Bottom of Unit Rear Connectors Multi-media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 1 USB Connector 2 Serial Connector 3 Parallel Connector 4 External Monitor Connector... - Page 12 Right Side Components Bottom of Unit Rear Connectors Multi- media Expansion Unit Power Management for Windows Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Docking Alignment Tabs Docking Connector Audio output Audio input Docking Release Button Speaker...
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Page 13: Power Management Settings
You can select Sleep mode instead of turning off the computer when you have finished using it. This allows the computer to wake up faster than turning it completely off and saves power over the active (On) mode. Compaq Presario Notebook computers have two levels of sleep, Hibernation and Sleep. -
Page 14: Removing The Battery Pack
Compaq Presario Series Maintenance and Service Guide Before You Begin Removal Sequence Product Description Removing the Battery Pack Removal Sequence Serial Number Location Preparing for Disassembly Electrostatic Discharge Service Considerations Cables and Connectors Multi-media Expansion Unit Battery Pack Hard Drive... - Page 15 Compaq Presario Series Maintenance and Service Guide Before You Begin Removal Sequence Product Description Removing the Battery Pack (continued) privacy and legal statement http://h18000.www1.hp.com/athome/support/msgs/305/battre3.html [12/9/2002 2:16:32 PM] Presario 305 Model Specifications Troubleshooting Pin Assignments 4. Rotate the battery pack into a vertical position...
- Page 16 Compaq Presario Series Maintenance and Service Guide Before You Begin Removal Sequence Product Description Removing the Multi-media Expansion unit Removal Sequence Serial Number Location Preparing for Disassembly Electrostatic Discharge Service Considerations Cables and Connectors Multi-media Expansion Unit Battery Pack Hard Drive...
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Page 17: Serial Number Location
Compaq Presario Series Maintenance and Service Guide Before You Begin Removal Sequence Product Description Serial Number Location Removal Sequence Serial Number Location Preparing for Disassembly Electrostatic Discharge Service Considerations Cables and Connectors Multi-media Expansion Unit Battery Pack Hard Drive Modem Card... -
Page 18: Preparing For Disassembly
To prevent damage, do not allow metal objects to touch the battery contacts. Place only the battery pack for the Compaq Presario 305 Model Portable Computers into the battery compartment. Do not force the battery pack into the bay if insertion does not occur easily. -
Page 19: Removal And Replacement Procedures
Compaq Presario Series Maintenance and Service Guide Before You Begin Removal Sequence Product Description Removal and Replacement Procedures Electrostatic Discharge A sudden discharge of static electricity from a finger or other conductor can destroy static-sensitive devices or microcircuitry. Often the spark is neither felt nor heard, but damage occurs. - Page 20 Battery Pack Hard Drive Modem Card RTC Battery Keyboard Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index...
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Page 21: Service Considerations
Screws 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 22: Cables And Connectors
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 Presario 305 Model Specifications Troubleshooting Pin Assignments... -
Page 23: Zif Connectors
Maintenance & Service Guide MSG Index Home Page Notice Illustrated Parts Catalog Pin Assignments Presario 305 Model Preface Product Description Removal & Replacement Procedures Battery Pack Operations ZIF Connectors The computer uses a zero insertion force (ZIF) connector for several cable connections on the system board. -
Page 24: Display Panel Cable
Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Display Panel Cable Location Note the location of the display panel cable. Back to Cables Connectors. - Page 25 Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Inverter Cable Location Note the location of the inverter cable. Back to Cables Connectors.
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Page 26: Audio Cable
Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Audio Cable Location Note the location of the audio cable. Back to Cables Connectors. - Page 27 Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Touchpad Cable Location Note the location of the touchpad cable. The touchpad cable is a flat ribbon cable that attaches by means of a Zero Insertion Force Connector.
- Page 28 Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Fan Cable Location Note the location of the fan cable. Back to Cables Connectors.
- Page 29 Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Light Board Cable Location Note the location of the light board cable connection. Back to Cables Connectors.
- Page 30 Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Speaker Cable Location Note the location of the speaker cable. Back to Cables Connectors.
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Page 31: Battery Cable
Presario 305 Model Before You Begin Specifications Parts Catalog Removal Sequence Troubleshooting Battery Operations Product Description Pin Assignments Index Battery Cable Location Note the location of the battery cable. There is one on each end. Back to Cables Connectors. -
Page 32: Removing The Hard Drive
Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove the hard drive, complete the following steps: Before removing a... - Page 33 Before You Begin Removal Sequence Product Description Removing the Hard Drive (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 2. Push down on the front bezel of the hard drive and pull the hard drive...
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Page 34: Removing The Modem Card
Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove the modem card, complete following steps: Remove... - Page 35 Before You Begin Removal Sequence Product Description Removing the Modem Card (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 5. Lift up the back of the modem card and disconnect it from the system board 6.
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Page 36: Removing The Rtc Battery
Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove the RTC battery, complete following steps: Remove... -
Page 37: Removing The Keyboard
Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove keyboard, complete following steps: 1. Lift the display... - Page 38 Before You Begin Removal Sequence Product Description Removing the Keyboard (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 3. Lift the keyboard along the bottom edge to raise at a 45-degree angle from computer. 4. Turn...
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Page 39: Removing The Memory Board
Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove the Memory Board, complete the following steps: WARNING: Failure to... -
Page 40: Removing The Switch Cover
Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index When removing switch cover, be careful not to lose the... - Page 41 Before You Begin Removal Sequence Product Description Removing the Switch Cover (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Position computer so the front faces forward. 6. Open the display panel as far as possible.
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Page 42: Removing The Display Panel
Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Remove battery pack. Remove keyboard. Remove switch cover. - Page 43 Before You Begin Removal Sequence Product Description Removing the Display Panel (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index When these four screws removed, the display assembly is unsupported. NOTE: Make sure to support the...
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Page 44: Removing The Deck
Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index The power switch and infrared lens are easily dislodged when the top cover is removed. - Page 45 Before You Begin Removal Sequence Product Description Removing the Deck (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 5. Turn the computer upside down. 6. Remove seven screws (t8) from underside of the unit. Next Step...
- Page 46 Before You Begin Removal Sequence Product Description Removing the Deck (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index touchpad is spared with the deck. It is available NOTE: separately. This guide does not contain instructions for its removal.
- Page 47 Before You Begin Removal Sequence Product Description Removing the Deck (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 9. Press in on the front of the deck and pull up on deck to swing front edge up...
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Page 48: Removing The Voltage Converter Board
Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Remove keyboard. Remove switch cover. Remove display. Remove the deck. - Page 49 Before You Begin Removal Sequence Product Description Removing the Voltage Converter Board (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 6. Lift up the left side of the voltage converter board until it clears the...
- Page 50 Memory Board Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index remove modem connector board, complete following steps: Remove modem card.
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Page 51: Removing The Pc Card
Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index To remove the PC Card, complete the following steps: CAUTION: If the computer is on and... -
Page 52: Removing The Pc Card Assembly
Switch Cover Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Remove the modem card. Remove keyboard. Remove the switch cover. -
Page 53: Removing The System Board
Display Panel Deck Voltage Converter Board Modem Connector Board PC Card PC Card Assembly System Board Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index There are different sized screws securing the system board to the base enclosure. - Page 54 Before You Begin Removal Sequence Product Description Removing the System Board (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 9. Disconnect the speaker cable light indicator board cable , fan cable , upper left battery cable...
- Page 55 Before You Begin Removal Sequence Product Description Removing the System Board (continued) Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index 9. Remove the four screws on the back of the computer that secure the system board to the base assembly.
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Page 56: Troubleshooting
Before You Begin Removal Sequence Product Description Troubleshooting Preliminary This section covers troubleshooting information for the Compaq Presario Steps 305 Model Portable Computer. The basic steps in troubleshooting include: Clearing the 1. Follow the Power-On Password 2. Run the Power-On Self Test (POST) 3. -
Page 57: Preliminary Steps
POST with and without the external device connected. 8. Use Compaq Utilities and loopback plugs in the serial and parallel connectors if you plan to test these ports. When the preliminary steps are completed, you are ready to run POST. -
Page 58: Power-On Self Test (Post)
1780-Primary Hard Drive 0 Failure Probable Cause Disk 0 failed to respond Hard drive format error 1782-Hard Drive Controller Probable Cause Hard drive controller failure Presario 305 Model Specifications Troubleshooting Pin Assignments steps. Recommended Action Replace the system board. Recommended Action Run Computer Setup. -
Page 59: Clearing The Power-On Password
Before You Begin Removal Sequence Product Description Clearing the Power-on Password Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Clearing the power-on password requires removing all Setup attributes that are programmed in the CMOS. If the password is not... -
Page 60: Compaq Diagnostics
Product Description 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 61: Contacting Compaq Support
Before You Begin Removal Sequence Product Description 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 62: Diagnostic Error Codes
Product Description 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 63 1. Check port configuration. 2. Replace the system board and retest. Hard Drive Test Error Codes 1. Run Compaq Utilities and verify drive type. 2. Verify that all secondary drives have secondary drive capability. 3. Replace the hard drive and retest.
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Page 64: Troubleshooting Without Diagnostics
Verify that all printer drivers have been installed for each application. Obtaining Update Information with Info Messenger Compaq Info Messenger allows you to set a customized search of the Compaq Web site. By registering for this utility, you can stay up to date with software and hardware information specific to your system. -
Page 65: Solving Minor Problems
Insert a different disc. If you are running a version of Windows that was pre-installed by Compaq, remove the drive from the MultiBay and reinsert it. If you are running a version of Windows that was not pre-installed by Compaq, turn the computer off. -
Page 66: Display Problems
System ran out of memory for the message is displayed on application. the screen or insufficient memory error occurs during operation. Too many TSR (terminate-and stay-resident) applications are running. Presario 305 Model Specifications Troubleshooting Pin Assignments Battery gauge Hardware installation Power Printer... - Page 67 Device driver is not correctly installed in Windows. Cursor skips or The Touch Pad needs to be cleaned. Clean the Touch Pad with a moves abnormally when using the Touch Pad. Presario 305 Model Specifications Troubleshooting Pin Assignments Battery gauge Hardware installation...
- Page 68 The appropriate software is not running on another computer both computers. One computer does not have an IrDA- compliant infrared port. Your Compaq computer uses the IrDA communications protocol. The pathway between the infrared ports is obstructed, one port is more than 30 degrees...
- Page 69 (including whether it is charged on-line or off-line). Disposal of a Used Battery Pack 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.
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Page 70: Connector Pin Assignments
Product Description Connector Pin Assignments This appendix provides connector pin assignment tables for Compaq Presario 305 Model Portable Computers. For more information on connectors, refer to the section on NOTE: The signals in all tables of this appendix are considered active high unless otherwise indicated by an asterisk (*). -
Page 71: Illustrated Parts Catalog
Presario 305 Model Specifications Troubleshooting Pin Assignments This section provides illustrated parts and a reference for spare parts numbers for Compaq Presario 305 Series Personal Computers. When requesting information or ordering spare parts, the computer should be provided to Compaq. Parts Catalog... - Page 72 Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Spare Part Description Number Switch Cover (spared with 146634-001...
- Page 73 Product Description Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Part Description Number 146631- Display Panel 146630-...
- Page 74 Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Description Part Number AC Power U.S. 246959-001 Cord Modem 307366-001...
- Page 75 Product Description Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Parts Catalog Battery Operations Index Part Description Number Miscellaneous 146634- Plastics Kit...
- Page 76 Product Description Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Description Misc Screw Kit Parts Catalog Battery Operations Index Part Number 136255-001...
- Page 77 Illustrated Parts Catalog System Components System Unit External Cables Miscellaneous Plastics Kit Screw Kit Miscellaneous Parts Documentation and Software Presario 305 Model Specifications Troubleshooting Pin Assignments Description Diskette Drive Diskette Drive 1.44MB 24x CD-ROM 4xDVD 32MB Memory 64MB Memory 128MB Memory 56Kpbs, V.90 PCI Modem...
- Page 78 If you do not specify the 3- digit suffix, the default is the current month in which the order is placed. Suffix -001 -002 -003 -004 -005 -006 Presario 305 Model Specifications Troubleshooting Pin Assignments Description QuickFind Part Number Suffix Month Suffix January -007...
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Page 79: Specifications
Before You Begin Removal Sequence Product Description Specifications This section covers the following specifications of Compaq Presario 305 Model Portable Computers: Physical and Environmental System I/O Address Diskette Drive Dimensions Height Depth Width Weight AC Adapter Operating Voltage Operating Current... - Page 80 Model Display Dimensions Height Width Depth Weight Contrast Ratio Brightness Total Power Consumption Refresh Presario 305 Model Specifications Troubleshooting Pin Assignments System Interrupts System Memory Catalog Hard Drive Battery Pack System I/O Address System Function (Shipping Configuration) Direct memory access controller...
- Page 81 Height Length Weight Cells Energy Voltage Amp-hour capacity Watt-hour capacity Environmental Requirements Operating Temperature Non-operating Temperature Presario 305 Model Specifications Troubleshooting Pin Assignments System Interrupts System Memory Catalog Hard drive Battery pack Diskette Drive Hard Drive DVD Drive CD-ROM (Mode 1, 2, and 3)