thinkpad 380z, IBM-Lenovo
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S10L-9624-00
IBM Mobile Systems
ThinkPad 380Z (2635) Computer
Hardware Maintenance Manual
August 1998
Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 100.
First Edition (August 1998)
The following paragraph does not apply to the United
Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES
CORPORATION PROVIDES THIS PUBLICATION “AS IS”
WITHOUT ANY WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE LIMITED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Some states do not allow disclaimer or
express or implied warranties in certain transactions;
therefore, this statement may not apply to you.
This publication could include technical inaccuracies or
typographical errors. Changes are periodically made to
the information herein; these changes will be incorporated
in new editions of the publication. IBM may make
improvements or changes to the products or the programs
described in this publication at any time.
It is possible that this publication may contain references
to, or information about, IBM products (machines and
programs), programming, or services that are not
announced in your country. Such references or
information must not be construed to mean that IBM
intends to announce such IBM products, programming, or
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Requests for technical information about IBM products
should be made to your IBM authorized dealer or your IBM
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Copyright International Business Machines
Corporation 1998. All rights reserved.
Note to U.S.
Government Users – Documentation related to restricted
rights – Use, duplication, or disclosure is subject to
restrictions set forth in GSA ADP Schedule Contract with
IBM Corp.
ThinkPad 380Z
Read This First .................. 3
Screw Tightening Information .......... 4
Product Overview . . . . . . . . . . . . . . . . . 8
Checkout Guide . . . . . . . . . . . . . . . . . 9
Audio Checkout . . . . . . . . . . . . . . . . 10
Diskette Drive Checkout ............ 10
Fan Checkout . . . . . . . . . . . . . . . . . 11
Keyboard or Auxiliary Input Device Checkout . . 11
Memory Checkout . . . . . . . . . . . . . . . 12
Power Systems Checkout ........... 13
Status Indicator Checkout ........... 16
System Board and CPU Card Checkout ..... 16
TrackPoint Checkout . . . . . . . . . . . . . . 16
Optional Device Checkout ............. 18
Port Replicator Checkout ............ 18
External Monitor Self-Test ........... 18
Power Management Features ........... 20
Standby Mode . . . . . . . . . . . . . . . . . 20
Suspend Mode . . . . . . . . . . . . . . . . 20
Hibernation Mode . . . . . . . . . . . . . . . 21
Port Replicator Power Overload ........ 22
Symptom-to-FRU Index . . . . . . . . . . . . . . 23
Numeric Error Codes .............. 23
Beep Symptoms . . . . . . . . . . . . . . . . 28
Function-Related Symptoms . . . . . . . . . . 29
Indicator-Related Symptoms . . . . . . . . . . 29
Infrared-Related Symptoms . . . . . . . . . . . 29
Keyboard- or TrackPoint-Related Symptoms . . . 30
LCD-Related Symptoms . . . . . . . . . . . . 30
Peripheral-Device-Related Symptoms . . . . . . 31
Power-Related Symptoms . . . . . . . . . . . 31
Other Symptoms . . . . . . . . . . . . . . . . 32
Intermittent Problems . . . . . . . . . . . . . 32
Undetermined Problems . . . . . . . . . . . . 32
Running the Diagnostics .............. 34
PC Card (PCMCIA) Slots Test ......... 35
Universal Serial Bus (USB) Test ........ 35
Displaying the Error Log ............ 35
Checking the Installed Devices List ....... 35
Diagnostic Error Codes ............ 36
Related Service Procedures ............ 39
Status Indicators . . . . . . . . . . . . . . . . 39
Password Combinations . . . . . . . . . . . . 40
Running a Low-Level Format .......... 40
Fn Key Combinations ............. 41
FRU Removals and Replacements ......... 42
Important Notice . . . . . . . . . . . . . . . . 42
FRU Service Procedures ............ 43
Removal Reference . . . . . . . . . . . . . . 44
1010 DIMM Card and Backup Battery ..... 45
1020 Battery Pack . . . . . . . . . . . . . . 46
Copyright IBM Corp. 1998
1
1030 Hard Disk Drive ............. 47
1040 Keyboard Unit . . . . . . . . . . . . . . 49
1050 Keyboard and Speakers ......... 52
1060 Diskette Drive Assembly or CD-ROM Drive
Assembly . . . . . . . . . . . . . . . . . . 55
1070 Diskette Drive and CD-ROM Drive .... 56
1080 LCD Unit . . . . . . . . . . . . . . . . 60
1090 Fan Assembly, CPU Card, and Thermal
Rubber . . . . . . . . . . . . . . . . . . . 63
1100 Upper Shield Case ........... 66
1110 Box Speaker and Microphone ...... 67
1120 DC/DC Card . . . . . . . . . . . . . . 69
1130 System Board and PC Card Slot ..... 71
1140 Battery Pack Latch ........... 73
2010 LCD Front Cover ............ 74
2020 LCD Inverter Card ............ 76
2030 LCD Panel . . . . . . . . . . . . . . . 77
2040 LCD Misc. Parts ............. 79
2050 LCD Cable . . . . . . . . . . . . . . . 81
3010 ThinkPad Port Replicator with Advanced
EtherJet Feature . . . . . . . . . . . . . . . 82
Locations . . . . . . . . . . . . . . . . . . . . . 84
Front View . . . . . . . . . . . . . . . . . . 84
Bottom View . . . . . . . . . . . . . . . . . . 85
Rear View . . . . . . . . . . . . . . . . . . . 86
Parts List . . . . . . . . . . . . . . . . . . . . . 87
Hard Disk Drive and CD-ROM/Diskette Drive
Assembly . . . . . . . . . . . . . . . . . . 90
LCD Assembly ................. 91
Miscellaneous and Option Parts List ...... 94
Notices . . . . . . . . . . . . . . . . . . . . . 100
Trademarks . . . . . . . . . . . . . . . . . 100
2
Read This First
Before you go to the checkout guide, be sure to read this
section.
Important Notes
Only certified trained personnel should
service the computer
.
Read FRU Removal and Replacement
procedures before replacing any FRUs.
Be extremely careful during write operations
such as copying, saving, or formatting.
Drives in the computer that you are servicing
might have been rearranged or the drive start-up
sequence might have been altered. If you select
an incorrect drive, data or programs might be
overwritten.
Replace FRUs only for the correct model.
When you replace a FRU, make sure the model
of the machine and FRU part number are correct
by referring to the FRU parts list.
A FRU should not be replaced because of a
single, unreproducible failure.
Single failures
can occur from a variety of reasons that have
nothing to do with a hardware problem, such as:
cosmic radiation, electrostatic discharge, or
software errors. FRU replacement should be
considered only when a recurring problem exists.
If this is suspected, clear the error log and run
the test again. Do not replace any FRUs if log
errors do not reappear.
Be careful not to replace a nondefective FRU.
ThinkPad 380Z
3
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