IBM THINKPAD 365C/CD (2625) Owner's manual

This Manual Supports:
ThinkPad 365C/CD (2625)
ThinkPad 365CS/CSD (2625)
ThinkPad 365X/XD (2625)
ThinkPad 380 (2635)
ThinkPad 385 (2635)
ThinkPad 560 (2640)
ThinkPad 760C/CD (9546)
ThinkPad 760E/ED (9546)
ThinkPad 760L/LD (9546)
ThinkPad 760EL/ELD (9547)
ThinkPad 760XL (9546)
ThinkPad 760XD (9547)
SelectaDock (3547)
S82G-1503-05
IBM Mobile Systems
Hardware Maintenance Manual
Volume 3: ThinkPad Computers
March 1997
We Want Your Comments!
(Please see page 611)

S82G-1503-05
IBM Mobile Systems
Hardware Maintenance Manual
Volume 3: ThinkPad Computers
March 1997
We Want Your Comments!
(Please see page 611)
IBM

Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” on page 616.
Sixth Edition (March 1997)
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 WARRANTY OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT
NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Some states do not allow disclaimer of
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 and/or changes in the product(s) and/or the
program(s) described in this publication at any time.
This publication was developed for products and services
offered in the United States of America. IBM may not offer
the products, services, or features discussed in this
document in other countries, and the information is subject
to change without notice. Consult your local IBM
representative for information on the products, services,
and features available in your area.
Requests for technical information about IBM products
should be made to your IBM reseller or IBM marketing
representative.
 Copyright International Business Machines
Corporation 1997. 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.
ii IBM Mobile Systems - ThinkPad HMM Volume 3

About This Manual
This manual contains service and reference information for
IBM ThinkPad 365, 380, 385, 560, 760, and SelectaDock
products. Use this manual along with the advanced
diagnostic tests to troubleshoot problems effectively.
The manual is divided into sections as follows:
The Introduction section provides general information,
guidelines, and safety information required to service
computers.
The product-specific sections include service,
reference, and product-specific parts information.
The Common Devices Checkout section provides
procedures for testing the devices that are commonly
attached to ThinkPad computers.
The Miscellaneous Information section contains
information about acronyms, abbreviations, terms,
and a telephone number listing.
Important
This manual is intended for trained servicers who are
familiar with ThinkPad products. Use this manual
along with the advanced diagnostic tests to
troubleshoot problems effectively.
Before servicing an IBM mobile product, be sure to
review the safety information under “Safety Notices
(Multi-lingual Translations)” on page 8 and “Safety
Information” on page 15.
iii

Related Publications
The following mobile product publications are available
through IBM or your IBM Authorized Dealer.
Publication Part, Form Number
Mobile Systems HMM
Volume 1: Laptop,
Notebook, Portable, and
ThinkPad Computers
(Models L40, CL57, N45,
N51, P70/P75, ThinkPad
300, 350, 500, 510, 710T,
Expansion Unit, Dock I,
Dock II)
30H2356, S82G-1501-01
Mobile Systems HMM
Volume 2: ThinkPad
Computers
(Model 340, 355, 360, 370,
700, 701, 720, 750, 755)
30H2357, S82G-1502-03
ThinkPad 700 (9552) HMS 42G2016, S42G-2016
ThinkPad 700 (9552) HMR 42G2015, S42G-2015
ThinkPad 700C (9552) HMS 42G2022, S42G-2022
ThinkPad 700C (9552) HMR 42G2021, S42G-2021
ThinkPad 720/720C (9552)
HMS 61G1193, S61G-1193
ThinkPad 720/720C (9552)
HMR 61G1187, S61G-1187
ThinkPad 730T (2524) HMM 82G5497, S82G-5497
ThinkPad Exp. Crtg. (3550)
HMS 42G2338, S42G-2338
ThinkPad Exp. Crtg. (3550)
HMR 42G2339, S42G-2339
PS/2 FaxConcentrator HMS 15F2262, S15F-2262
PS/2 FaxConcentrator HMR 84F8541, S84F-8541
PS/2 Comm. Cartridge I
HMS 10G5993, S10G-5993
PS/2 Comm. Cartridge I
HMR 10G5992, S10G-5992
IBM High Speed Internal,
PCMCIA Data/Fax Modems 61G1556, S61G-1556
iv IBM Mobile Systems - ThinkPad HMM Volume 3

Related Diskettes
The following diskettes are available through IBM or your
IBM Authorized Dealer.
Diskette Part, Form Number
ThinkPad 300 (2615)
Advanced Diagnostics
Diskette
33G9361, S33G-9361
ThinkPad 350, 350C, 425,
425C (2618) Advanced
Diagnostics Diskette
A211000, GA21-1000
ThinkPad 365 (2625)
Advanced Diagnostics
Diskette
76H7578, S30H-2498
ThinkPad 500 (2603)
Advanced Diagnostics
Diskette
71G3702, S71G-3702
ThinkPad 510 (2604)
Advanced Diagnostics
Diskette
83G8095, S83G-8095
ThinkPad 700 (9552)
Reference Diskette 42G2017, S42G-2017
ThinkPad 700C (9552)
Reference Diskette 42G2023, S42G-2023
ThinkPad 720/720C (9552)
Reference Diskette 61G1194, S61G-1194
ThinkPad Hardware
Maintenance Diskette
(for all Models 355, 360,
560, 750, 755, 760)
78H5384, S78H-5384
ThinkPad Dock I (3545) 71G4140, S71G-4140
Docking Station (3550) 42G2428, S42G-2428
Data/Fax Modem 61G1556, S61G-1556
FaxConcentrator/A 84F8540, S84F-8540
v

vi IBM Mobile Systems - ThinkPad HMM Volume 3

Contents
Introduction . . . . . . . . . . . . . . . . . . . 1
Portable Computer Descriptions .......... 2
Drive and Diskette Compatibility Matrix ....... 5
Important Service Information ........... 6
Safety Notices (Multi-lingual Translations) ..... 8
Safety Information . . . . . . . . . . . . . . . . 15
Laser Compliance Statement ........... 20
Screw Size Chart ................. 22
ThinkPad 365 (2625) . . . . . . . . . . . . . . 25
Read This First .................. 27
General Checkout . . . . . . . . . . . . . . . . . 30
Symptom-to-FRU Index . . . . . . . . . . . . . . 41
Related Service Procedures ............ 50
Diagnostic Test Programs ............. 52
Using the Diagnostics Test Programs ....... 54
Product Overview (365C, CD, CS, CSD) ...... 58
Product Overview (365E, ED) . . . . . . . . . . . 59
FRU Removals and Replacements ......... 60
Locations . . . . . . . . . . . . . . . . . . . . . 81
Parts Listing 365C, CD, CS, CSD (2625) ..... 84
Parts Listing 365E, ED (2625) ........... 87
ThinkPad 365X, 365XD (2625) .......... 91
Read This First .................. 93
Checkout Guide . . . . . . . . . . . . . . . . . 96
Symptom-to-FRU Index . . . . . . . . . . . . . 106
Related Service Procedures ........... 117
Product Overview (365X, 365XD) . . . . . . . . 126
FRU Removals and Replacements ........ 127
Locations . . . . . . . . . . . . . . . . . . . . 164
Parts Listing 365X, 365XD (2625) ........ 170
ThinkPad 380, 380D, 385, 385D (2635) ..... 183
Read This First ................. 185
Checkout Guide . . . . . . . . . . . . . . . . 189
Symptom-to-FRU Index . . . . . . . . . . . . . 199
Related Service Procedures ........... 210
Product Overview (380, 380D, 385, 385D) .... 215
FRU Removals and Replacements ........ 216
Locations . . . . . . . . . . . . . . . . . . . . 249
Parts Listing 380/385 (2635) .......... 252
ThinkPad 560 (2640) . . . . . . . . . . . . . 263
Read This First ................. 265
Checkout Guide . . . . . . . . . . . . . . . . 268
Symptom-to-FRU Index . . . . . . . . . . . . . 279
Related Service Procedures ........... 291
Product Overview (560) . . . . . . . . . . . . . 296
FRU Removals and Replacements ........ 297
Locations . . . . . . . . . . . . . . . . . . . . 321
 Copyright IBM Corp. 1997 vii

Parts Listing 560 (2640) ............. 325
ThinkPad 760 (9546, 9547) . . . . . . . . . . 335
Read This First ................. 338
Checkout Guide . . . . . . . . . . . . . . . . 341
Symptom-to-FRU Index . . . . . . . . . . . . . 359
Related Service Procedures ........... 372
Product Overview (760) . . . . . . . . . . . . . 377
FRU Removals and Replacements ........ 382
LCD Removal and Replacement ......... 427
LCD Unit, 12.1 SVGA (P/N 29H9226, ASM P/N
29H9029) . . . . . . . . . . . . . . . . . . . 428
LCD Unit, 12.1 SVGA (P/N 29H9226, ASM P/N
73H6599) . . . . . . . . . . . . . . . . . . . 433
LCD Unit, 10.4 SVGA (P/N 29H9227) ...... 439
LCD Unit, 10.4 VGA (P/N 46H5355) ....... 444
LCD Unit, 11.3 DSTN (P/N 39H6232) ...... 449
LCD Unit, 12.1 XGA .............. 454
LCD Unit, 12.1 SVGA (P/N 82H8496) ...... 460
LCD Unit, 12.1 SVGA (P/N 11J8867, ASM P/N
11J8855) . . . . . . . . . . . . . . . . . . . 466
LCD Unit, 12.1 SVGA (P/N 46H5725, ASM P/N
46H5723) . . . . . . . . . . . . . . . . . . . 472
Locations . . . . . . . . . . . . . . . . . . . . 478
Parts Listing 760 (9546, 9547) ......... 483
LCD Parts List ................. 520
ThinkPad SelectaDock Docking System .... 547
Read This First ................. 548
General Preparation . . . . . . . . . . . . . . . 550
Checkout Guide . . . . . . . . . . . . . . . . 551
Printer . . . . . . . . . . . . . . . . . . . . . 554
Running Diagnostics . . . . . . . . . . . . . . 559
Symptom-to-FRU Index . . . . . . . . . . . . . 565
Undetermined Problems . . . . . . . . . . . . . 573
FRU Removals and Replacements ........ 574
Locations . . . . . . . . . . . . . . . . . . . . 583
Parts Listing SelectaDock (3547) ........ 588
Common Devices Checkout .......... 591
External Diskette Drive Test ........... 592
External Display Self-Test ............ 592
External Keyboard/Auxiliary Input Device Checkout 593
Fax/Modem Checkout . . . . . . . . . . . . . . 594
Printer Checkout . . . . . . . . . . . . . . . . 596
Port Replicator Checkout ............ 597
TrackPoint Checkout . . . . . . . . . . . . . . 598
TV Tuner . . . . . . . . . . . . . . . . . . . . 599
Common Parts Listing ............. 605
Miscellaneous Information . . . . . . . . . . . 609
Acronyms, Abbreviations and Terms ....... 609
Send Us Your Comments! ............ 611
viii IBM Mobile Systems - ThinkPad HMM Volume 3