Dell Latitude LM service manual.pdf

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Information in this manual is subject to change without notice.
Ó
1994–1996 Dell Computer Corporation. All rights reserved.
Printed in the United States of America. Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text: Dell , the DELL logo, and Latitude are registered trademarks of Dell Computer Corporation; MS-DOS is a registered trademark of
Microsoft Corporation; Intel and Pentium are registered trademarks 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.
June 1996 P/N 98085
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Contents
Keyboard Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
CD-ROM/Hard-Disk Drive Indicator . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Diskette-Drive Access Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
PC Card Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
AC Power Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Battery Activity Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Battery Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
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Index
Figures
Figure 1-1. Front View of the Portable Computer . . . . . . . . . . . . . . . . . . . 1-2
Figure 1-2. Back View of the Portable Computer . . . . . . . . . . . . . . . . . . . 1-2
Figure 1-3. Status Display Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Figure 4-1. Computer Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Figure 4-2. Screw Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Figure 4-3. Main Battery Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Figure 4-4. Hard-Disk Drive Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Figure 4-5. Options Bay Lock and Latch . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Figure 4-6. Diskette Drive, Secondary Battery, or CD-ROM Removal. . . 4-5
Figure 4-7. PC Card Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Figure 4-8. Releasing a ZIF Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Figure 4-9. Exploded View—Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Figure 4-10. Exploded View—LCD Assembly . . . . . . . . . . . . . . . . . . . . . . 4-8
Figure 4-11. Exploded View—Top Assembly . . . . . . . . . . . . . . . . . . . . . . . 4-9
Figure 4-12. Exploded View—Bottom Assembly . . . . . . . . . . . . . . . . . . . 4-10
Figure 4-13. Capacitor C146 (Location). . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Figure 4-14. Hard-Disk Drive Disassembly . . . . . . . . . . . . . . . . . . . . . . . . 4-19
Figure 4-15. Diskette Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Figure 4-16. CD-ROM Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21
Figure 4-17. Memory Module Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Figure 4-18. LCD Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23
Figure 4-19. Front Bezel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
Figure 4-20. LCD Panel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25
Figure 4-21. Inverter Board Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Figure 4-22. LCD Assembly Latches Removal . . . . . . . . . . . . . . . . . . . . . 4-27
Figure 4-23. Power/Suspend Indicator Removal . . . . . . . . . . . . . . . . . . . . 4-28
Figure 4-24. Back Bezel Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-29
Figure 4-25. Keyboard Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-30
Figure 4-26. Top Assembly Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-32
Figure 4-28. Status Display Board Removal . . . . . . . . . . . . . . . . . . . . . . . 4-35
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