PORTEGE M400 Maintenance Manual (960-541)
[CONFIDENTIAL]
iii
Preface
This maintenance manual describes how to perform hardware service maintenance for the
The procedures described in this manual are intended to help service technicians isolate
(FRUs) and replace them in the field.
Four types of messages are used in this manual to bring important information to your
a
DANGER: “Danger” indicates the existence of a hazard that could result in death or
Toshiba Personal Computer PORTEGE M400, referred to as PORTEGE M400 in this
manual.
faulty Field Replaceable Units
SAFETY PRECAUTIONS
ttention. Each of these messages will be italicized and identified as shown below.
serious bodily injury, if the safety instruction is not observed.
WARNING: “Warning” indicates the existence of a hazard that could result in bodily
injury, if the safety instruction is not observed.
CAUTION: “Caution” indicates the existence of a hazard that could result in property
damage, if the safety instruction is not observed.
NOTE: “Note” contains general information that relates to your safe maintenance
service.
Improper repair of the computer may result in safety hazards. Toshiba requires service
technicians and authorized dealers or servic
pre
with the ISO/DIS 8764-1:1996. If a
ttery, be sure to use only the same model
battery or an equivalent battery recommended by Toshiba. Installation of the wrong
battery can cause the battery to explode.
e providers to ensure the following safety
cautions are adhered to strictly.
Be sure to fasten screws securely with the right screwdriver. Be sure to use the PH
Point size “0” and “1” screwdrivers complying
screw is not fully fastened, it could come loose, creating a danger of a short circuit,
which could cause overheating, smoke or fire.
If you replace the battery pack or RTC ba
Summary of Contents for M400 - Portege - Core 2 Duo 1.83 GHz
Page 10: ...x CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 11: ... CONFIDENTIAL Chapter 1 Hardware Overview ...
Page 43: ... CONFIDENTIAL Chapter 2 Troubleshooting ...
Page 44: ...2 Troubleshooting 2 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 2 ...
Page 48: ...2 Troubleshooting 2 vi CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 113: ... CONFIDENTIAL Chapter 3 Tests and Diagnostics ...
Page 114: ...3 Tests and Diagnostics 3 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 217: ...3 31 SETUP 3 Tests and Diagnostics PORTEGE M400 Maintenance Manual 960 541 CONFIDENTIAL 3 99 ...
Page 232: ...3 Tests and Diagnostics 3 31 SETUP 3 114 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 233: ... CONFIDENTIAL Chapter 4 Replacement Procedures ...
Page 234: ...4 Replacement Procedures 4 ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 4 ...
Page 333: ... CONFIDENTIAL Appendices ...
Page 334: ...Appendices App ii CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 354: ...Appendices Appendix B Board Layout B 8 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...
Page 398: ...Appendices Appendix I Reliability I 2 CONFIDENTIAL PORTEGE M400 Maintenance Manual 960 541 ...