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Compaq 1670, 1675 Notice, Preface, Home Page, Click here, Bottom of Unit, Rear Connectors, Front Bezel Lights, Product Description, Models and Features, Controls and Lights

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		United States June 27, 2004
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Maintenance & Service Guide

Presario Series

Models : 1270, 1670, and 1675

Home Page Notice Preface Product Description Troubleshooting Illustrated Parts Catalog Removal & Replacement Procedures Specifications Pin Assignments Battery Pack Operations

Models and FeaturesControls and LightsFront Bezel LightsFront Bezel ButtonsLeft Side ComponentsRight Side ComponentsBottom of UnitRear ConnectorsPower Management for Windows 98

Click here to download this Maintenance and Service Guide (MSG) to your hard drive.

Welcome to the Maintenance & Service Guide (MSG). This online guide is designed to serve the needs of those whose job it is to repair Compaq products. Many of the components of the hardcopy MSG are contained in this online guide. The Notice, contains the copyright and trademark

information. The Preface shows symbol conventions, Technician Notes and Serial Number locations on the unit.

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Contents

Page Models and Features Controls and Lights Front Bezel Lights Front Bezel Buttons Left Side Components This MSG will be periodically maintained and updated online as needed For content comments or questions, contact the Editor To report a technical problem, contact your Regional Support Center or IM Help Center Notice First Edition (March 1999) Compaq Computer Corporation Maintenance and Service Guide ●Introducing Windows 98 Guide ●Compaq QuickFind ●Compaq Service Quick Reference Guide Product Description Page Troubleshooting Page Illustrated Parts Catalog Page Removal and Replacement Procedures Page Specifications ●Computer models ●Physical and environmental ●System Interrupts ●System DMA Height Depth Width Weight Model IRQ3 Compaq Prosignia 56K-DF IRQ4 Communications Port (COM1) IRQ5 System timer System speaker Standard 101/102-Keyor Microsoft Natural Keyboard System CMOS/real time clock Motherboard resources x00100000 - x01FFFFFF x03000000 - x03000FFF x03001000 - x03001FFF xFD000000 - xFDFFFFFF xFEA00000 - xFEBFFFFF (Information not available) 13.3" (Diagonal) TFT Display with LVDS U.S. Metric Dimensions Diagonal Size 128-MB 160-MB Memory Expansion for 380-MHzProcessor 192-MB Diskette Drive Seek Times (Typical, Including settling in ms) Track to Track Average Maximum Rotational Speed Transfer Rate 0.74um (DVD) Laser .05" / 1.2cm Beam Divergence 1.0 volts RMS Fax Modulation V. 21 (Group III Compatible) V.27Ter Command Set Hayes AT Connector Pin Assignments Signal Ground * = Active low Serial Connector Connector Carrier Detect Receive Data Transmit Data External VGA Monitor Red Analog Green Analog Blue Analog Not connected Unused Tip Ring Battery Pack Operating Time ●Increase battery pack operating time ●Conditioning a battery pack ●Disposal of a used battery pack Increasing Battery Pack Operating Time ●Set the power conservation levels in the Power Management utility to Maximum Maximizing the Energy Stored To maximize the energy stored in the battery pack, follow these guidelines: ●Store the battery pack in a cool, dry place when not in use Conditioning a Battery Pack Li ion Battery Pack 4.5 hours premature termination 2:50 hrs Disposal of a Used Battery Pack CAUTION: Models and Features Page Controls and Lights Page Front Bezel Lights Page Front Bezel Buttons Page Left Side Components Page Right Side Components 1.Battery Compartment 2.DVD or CD Drive Manual Eject Hole 3.DVD or CD Drive Eject Button Page Bottom of Unit Page Rear Connectors 1.AC Adapter 2. Universal Serial Bus 3.Security Slot 4.Serial Port Page Power Management for Windows ●Power Management Settings ●Sleep ●Hibernation ●Battery operating time Tab: Power Schemes: Tab: Plugged in Running on Batteries completely Rebooting After a Lockup Battery Operating Time Battery operating time is affected by variables, such as the following: ●Power conservation settings ●Power button Preliminary Steps Page Clearing the Power-onPassword Page Power-OnSelf Test (POST) Running POST To run POST, complete the following steps: Turn off the computer, then turn on the computer Power-On Self-TestMessages XX000YZZ 201-MemoryError 301-KeyboardError Keyboard failure Ensure the keys are not depressed during POST Reconnect the keyboard with the computer off Compaq Diagnostics Computer Checkup (TEST) View System Information (INSPECT) 5.Select View System Information (INSPECT) from the Diagnostics menu Operating system Diagnostic Error Codes Processor Test Error Codes Error Code Description Recommended Action Parallel Printer Test Error Codes Diskette Drive Test Serial Test Error Codes Hard Drive Test Error Codes Video Test Error Codes Page Audio Test Error Codes TouchPad/Pointing Device Interface Test Error Codes CD Drive Test Error Codes Page CONFIG.SYS AUTOEXEC.BAT Solving Minor Problems Solving Audio Problems Some common audio problems and solutions are listed in the following table Solving Audio Problems Problem Computer is beeping and battery LED Battery charge is low Immediately save any open file(s) icon is blinking Then do any one of the following: Battery pack has partially self- discharged (10° C to 40° C) Storage: -4°F to 86° F (-20°C to 30° C ) Recharge the battery pack Solving CD Drive Problems Solving CD Drive Problems Drive error has occurred Run Computer Checkup from the Compaq Diagnostics diskette Diskette is not formatted Format the diskette. At the system Screen is blank Screen save was initiated by Power Management due to lack of user activity Press any key or touch the Touch Pad This display panel has a continuous pattern Reseat the display cable to the across it (e.g., a "jailbars" pattern), has a connections following until the problem is solved: Solving Hard Drive Problems Reading hard drive takes an System entered Hibernation due to Give the system time to restore the unusually long time after restarting Solving Memory Problems Solving Memory Problems Memory count during Power-On Self-Test Optional memory expansion card Ensure that the optional memory (POST) is incorrect Contacting Compaq Support Shipping Preparation Page System Unit System Unit Boards Assembly Mass Storage Devices Page Boards Heatspreader 2. Voltage Convertor 3. Modem 7. System Memory (Models: 122700- 1670 and 1.Display 14.1 TFT 2.Display 13.3 TFT w/LVDS Mass Storage Devices Miscellaneous Cables Kit Miscellaneous Hardware Kit Hardware Kit Spare Part Number: DescriptionQuantity 1 each Miscellaneous Plastics Kit Mass Storage Devices Cable Kit Hardware Kit Page Miscellaneous Parts Mass Storage Devices Miscellaneous Cable Kit Miscellaneous Hardware Kit Miscellaneous Plastics Kit United States June 27 COMPAQ STORE | PRODUCTS | SERVICES | SUPPORT | CONTACT US | SEARCH Maintenance & Service Guide Electrostatic Discharge Generating Static Removing DIPS from vinyl trays 11,500 4,000 Removing DIPS from Styrofoam 14,500 Service Considerations Tool and Software Requirements Screws Page Cables and Connectors Cables ●Always handle cables by their connectors ●Avoid bending, twisting, or pulling on the cables ●Handle flex cables with extreme care; they can tear easily Plastic Parts Return to Removal & Replacement Procedures Preparing the Computer for Disassembly Battery Charger Board not Removing the Battery Pack Upper CPU Cover Speaker Diskette Drive Fan Assembly Removing the Palmrest Cover with Touch Pad Disassembly Sequence Electrostatic Discharge Upper CPU 2. Close the Cover computer and turn Speaker Removing the Keyboard 4.Remove the heatspreader Removing the Heatspreader 4. Remove two screws from the and lift out of the chassis Removing the Processor 6.Lift the processor out of the processor chassis slot Removing the 4.3-GBor 6.4-GBHard Drive bracket and Removing the DVD or CD Drive DVD or CD Removing the Battery Charger Board To remove the battery charger board, complete the following steps: 2.Remove the palmrest cover with touch pad 5.Remove the hard drive and lift out of the chassis To replace the battery charger board, reverse the previous procedures When replacing the battery charger board, ensure NOTE: the pins are aligned with the connector on the system board Removing the Modem connector on Removing the Display Panel Assembly the backlight Removing the Upper CPU Cover 6.Remove the display panel assembly Removing the Speaker Assembly Page Removing the Diskette Drive To remove the diskette drive, complete the following steps: 7.Remove the Upper CPU cover 8.Remove the screw from the diskette drive and lift up the diskette drive 9.Disconnect the diskette drive data cable from the system board To replace the diskette drive, reverse the previous procedures Ensure the diskette drive eject lever is properly NOTE: inserted in the Removing the Fan Assembly Page Removing the System Board Page For Models: 1670 and NOTE: The black area on the dip switch indicates the position of the switch Return to Removal & Replacement Procedures Removing the Memory Module door to the