Toshiba T2150 series Maintenance Manual page 117

Before You Begin
Look over the procedures in this section before you begin disassembling the T2150 series.
Familiarize yourself with the disassembly and reassembly steps. Begin each procedure by
removing the AC power cord and the battery pack as instructed in section 4.2, The Battery
Pack:
1. Do not disassemble the T2150 series unless it is operating abnormally.
2. Use only the correct and approved tools.
3. Make sure the working environment is free from the following elements whether
you are using or storing the T2150 series:
Dust and contaminates
Static electricity
Extreme heat, cold and humidity
4. Make sure the FRU you are replacing is causing the abnormal operation by per-
forming the necessary diagnostics tests described in this manual.
5. Do not perform any unnecessary operations and use only the described procedures
for disassembling and installing FRUs in the T2150 series.
6. After removing parts from the computer, place them in a safe place away from the
computer so they will not be damaged and will not interfere with your work.
7. You will remove and replace many screws when you disassemble the T2150 series.
When you remove screws, make sure they are placed in a safe place and are
identified with the correct parts.
8. When assembling the T2150 series make sure you use the correct screws to secure
the various pieces in place. Screw sizes are listed in the corresponding figures.
9. The T2150 series contains many sharp edges and corners, so be careful not to
injure yourself.
10. After you have replaced an FRU, make sure the T2150 series is functioning prop-
erly by performing the appropriate test on the FRU you have fixed or replaced.
4-2
T2150 Series