Dell Inspiron 3000 Service Manual
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____________________ Information in this manual is subject to change without notice. Ó 1997-1998 Dell Computer Corporation. All rights reserved. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell and the DELL logo are registered trademarks and Inspiron is a trademark of Dell Computer Corporation; MS-DOS is a registered trademark of Microsoft Corporation; Intel and Pentium are registered trademarks and MMX is a trademark of Intel Corporation; IBM is a registered trademark of International Business Machines Corporation. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own. July 1998 P/N 55900 Rev. A03
v Contents Chapter 1 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 System Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Keyboard Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 CD-ROM/DVD-ROM/Hard-Disk Drive Indicator. . . . . . . . . . . . . . . 1-4 Diskette-Drive Access Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 PC Card Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 AC Power Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Battery Activity Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Battery Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Battery Charge Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 System Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Power Conservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Interrupt Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Chapter 2 Initial Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Initial User Contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Visual Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Observing the Boot Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Eliminating Resource Conflicts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
vi Chapter 3 Beep Codes and Error Messages . . . . . . . . . . . . . . . . . . 3-1 POST Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 System Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Running the Dell Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Chapter 4 Removing and Replacing Parts . . . . . . . . . . . . . . . . . . . 4-1 Recommended Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Screw Identification and Tightening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Precautionary Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 ZIF Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 Exploded Views of Components and Assemblies . . . . . . . . . . . . . . . . . . . . 4-10 Factory Repair Parts and Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Hard-Disk Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29 Diskette Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30 CD-ROM/DVD-ROM Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-31 General Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33 Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35 Status Display Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-36 LCD Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37 Palmrest Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-39 IR Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41 Hard-Disk Drive Heat Sink . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-42 Touch-Pad Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-43 Speakers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44 Base Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-45 IR Lens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47 Processor Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48 LVDS Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-49 USB Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-50 Main Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51 Audio Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-52 Audio Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53
vii PC Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54 Latch Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55 Kensington Lock Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-56 12.1-Inch LCD Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57 12.1-Inch LCD Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-57 12.1-Inch LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-59 12.1-Inch LCD Inverter Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-60 12.1-Inch LCD Hinges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-61 12.1-Inch LCD Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-62 13.3-Inch LCD Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63 13.3-Inch LCD Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-63 13.3-Inch LCD Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-65 13.3-Inch LCD Inverter Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-67 13.3-Inch LCD Hinges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-68 13.3-Inch LCD Bracket. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-69 Index Figures Figure 1-1. Front View of the Portable Computer . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-2. Back View of the Portable Computer . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-3. Status Display Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Figure 1-4. Battery Charge Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Figure 4-1. Computer Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Figure 4-2. Screw Identification (Example) . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Figure 4-3. AC Adapter Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Figure 4-4. Computer Removal From Replicator . . . . . . . . . . . . . . . . . . . . 4-4 Figure 4-5. Main Battery Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Figure 4-6. PC Card Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 Figure 4-7. Hard-Disk Drive Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Figure 4-8. Removing a Memory Module . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Figure 4-9. Diskette Drive, Secondary Battery, CD-ROM Drive, or DVD-ROM Drive Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Figure 4-10. Releasing a ZIF Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 Figure 4-11. Exploded View—Computer. . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 Figure 4-12. Exploded View—12.1-Inch LCD Assembly . . . . . . . . . . . . . 4-11 Figure 4-13. Exploded View—13.3-Inch LCD Assembly . . . . . . . . . . . . . 4-12 Figure 4-14. Exploded View—Palmrest Assembly . . . . . . . . . . . . . . . . . . 4-13 Figure 4-15. Exploded View—Base Assembly . . . . . . . . . . . . . . . . . . . . . 4-14
viii Figure 4-16. Hard-Disk Drive Disassembly. . . . . . . . . . . . . . . . . . . . . . . . 4-29 Figure 4-17. Diskette Drive Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . 4-30 Figure 4-18. CD-ROM/DVD-ROM Drive Disassembly . . . . . . . . . . . . . . 4-31 Figure 4-19. Location Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32 Figure 4-20. Keyboard Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-33 Figure 4-21. Heat Sink Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-35 Figure 4-22. Status Display Panel Removal. . . . . . . . . . . . . . . . . . . . . . . . 4-36 Figure 4-23. LCD Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-37 Figure 4-24. Palmrest Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . 4-39 Figure 4-25. IR Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-41 Figure 4-26. Hard-Disk Drive Heat Sink Removal . . . . . . . . . . . . . . . . . . 4-42 Figure 4-27. Touch-Pad Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . 4-43 Figure 4-28. Speaker Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-44 Figure 4-29. Base Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-46 Figure 4-30. IR Lens Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47 Figure 4-31. Processor Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48 Figure 4-32. LVDS Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-49 Figure 4-33. USB Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-50 Figure 4-34. Main Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-51 Figure 4-35. Audio Bezel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-52 Figure 4-36. Audio Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-53 Figure 4-37. PC Card Cage Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-54 Figure 4-38. Latch Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-55 Figure 4-39. Kensington Lock Plate Removal . . . . . . . . . . . . . . . . . . . . . 4-56 Figure 4-40. 12.1-Inch LCD Front Bezel Removal . . . . . . . . . . . . . . . . . 4-57 Figure 4-41. 12.1-Inch LCD Panel Removal . . . . . . . . . . . . . . . . . . . . . . . 4-59 Figure 4-42. 12.1-Inch Inverter Board Removal . . . . . . . . . . . . . . . . . . . . 4-60 Figure 4-43. 12.1-Inch LCD Hinges Removal . . . . . . . . . . . . . . . . . . . . . 4-61 Figure 4-44. 12.1-Inch LCD Bracket Removal . . . . . . . . . . . . . . . . . . . . . 4-62 Figure 4-45. 13.3-Inch LCD Front Bezel Removal . . . . . . . . . . . . . . . . . 4-63 Figure 4-46. 13.3-Inch LCD Panel Removal . . . . . . . . . . . . . . . . . . . . . . 4-65 Figure 4-47. 13.3-Inch Inverter Board Removal . . . . . . . . . . . . . . . . . . . 4-67 Figure 4-48. 13.3-Inch LCD Hinges Removal . . . . . . . . . . . . . . . . . . . . . 4-68 Figure 4-49. 13.3-Inch LCD Bracket Removal . . . . . . . . . . . . . . . . . . . . . 4-69
ix Tables Table 1-1. Interrupt Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Table 1-2. Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Table 3-1. POST Beep Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Table 3-2. System Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Table 4-1. Factory Repair Parts and Assemblies. . . . . . . . . . . . . . . . . . . 4-15
Read This First Warnings, Cautions, and Notes Throughout this manual, there may be blocks of text printed in bold type or in italic type. These blocks are warnings, cautions, and notes, and they are used as follows: NOTE: A NOTE provides helpful information about using the computer system. A prerequisite for using this manual to service Dell portable computers is a basic knowledge of IBM-compatible PCs and prior training in IBM-compatible PC troubleshooting techniques. In addition to information provided in this man- ual and the online System User’s Guide that came with the system, Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting procedures and instructions on using the Dell Diagnostics to test the computer system. WARNING: A WARNING indicates the potential for bodily harm and provides instructions for how to avoid the problem. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and provides instructions for how to avoid the problem. x
System Overview 1-1 Chapter 1 System Overview T he Dell® Inspiron™ 3000 series is a family of expandable multimedia porta- ble computers that use the Intel® Pentium® and Pentium II microprocessors with MMX ™ technology. This chapter provides an overview of the components and subsystems of these computers. The individual model names within the Inspiron 3000 series indicate the type and operating frequency of the microprocessor and the display used in the com- puter. For example: •The Inspiron 3000 M166ST contains a 166-MHz Pentium microprocessor with MMX technology and an SVGA (S) active-matrix (T) TFT LCD. •The Inspiron 3000 M200ST contains a 200-MHz Pentium microprocessor with MMX technology and an SVGA (S) active-matrix (T) TFT LCD. •The Inspiron 3000 M233ST contains a 233-MHz Pentium microprocessor with MMX technology and an SVGA (S) active-matrix (T) TFT LCD. •The Inspiron 3000 M233XT contains a 233-MHz Pentium microprocessor with MMX technology and an XGA (X) active-matrix (T) TFT LCD. •The Inspiron 3000 M266XT contains a 266-MHz Pentium microprocessor with MMX technology and an XGA (X) active-matrix (T) TFT LCD. •The Inspiron 3200 D233ST contains a 233-MHz Pentium II microprocessor with MMX technology and an SVGA (S) active-matrix (T) TFT LCD. •The Inspiron 3200 D233XT contains a 233-MHz Pentium II microprocessor with MMX technology and an XGA (X) active-matrix (T) TFT LCD. •The Inspiron 3200 D266XT contains a 266-MHz Pentium II microprocessor with MMX technology and an XGA (X) active-matrix (T) TFT LCD. System Features In addition to the standard features found in IBM®-compatible portable com- puters, the Dell Inspiron 3000 series computers include the following new and/ or advanced features: •32 MB of SDRAM consisting of 16 MB of nonremovable main memory on the main board and a 16-MB memory module in one of the two memory module sockets. The memory capacity can be increased up to 144 MB by installing 16-, 32-, or 64-MB 3.3-V memory modules in the memory mod- ule sockets on the main board.
1-2 Dell Inspiron 3000 Series Service Manual •A 12.1-inch active-matrix SVGA display on Inspiron 3200 D233ST and on the Inspiron 3000 M166ST, M200ST, and M233ST; a 13.3-inch active- matrix XGA display on the Inspiron 3000 M233XT and M266XT, and the Inspiron 3200 D233XT and D266XT. •40-WH lithium ion battery (eight cells). •512-KB SRAM level-2 external cache and 32-KB internal cache. (The Inspiron 3000 M166ST has a 256-KB SRAM level-2 external cache.) •NeoMagic 2160 video controller supporting all video features with a PCI local bus on Inspiron 3000 M166ST, M200ST, M233ST, M233XT, and M266XT. NeoMagic 2160B video controller supporting all video features with a PCI local bus on the Inspiron 3200 D233ST, D233XT and D266XT. •Intel 430TX PCIset for system and PCI controller on the Inspiron 3000 M166ST, M200ST, M233ST, M233XT, and M266XT; Intel 440BX PCIset for system and PCI controller on the Inspiron 3200 D233ST, D233XT and D266XT. •Built-in microphone and jacks for connecting external speakers, micro- phones, and headphones. •Two new diagnostics tests (infrared and audio). •An options bay that lets users replace the diskette drive with a secondary lithium ion battery, CD-ROM drive, or DVD-ROM drive. If the computer is booted with a diskette drive or battery in the options bay, you must reboot after installing the CD-ROM or DVD-ROM drive in the options bay. •Built-in serial IrDA 1.1-compliant infrared transmitter/receiver, effective to 1 m (3.3 ft). •Support for connecting an external diskette drive to the parallel connector on the I/O panel. •Universal Serial Bus (USB), which provides a single connection point for multiple USB-compliant devices such as mice, printers, keyboards, and computer speakers. These devices can be connected and disconnected while the system is running.