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4 Replacement Procedures 4.1 General
Safety Precautions
Before you begin disassembling, read the following safety precautions carefully. Be sure to
follow them while you are working.
DANGER:
1. Always use the genuine batteries or replacement batteries authorized by Toshiba.
Batteries other than those differ in specifications and are incompatible with the
computer. They may burst or explode. Never heat or disassemble the battery packs to
avoid leakage of alkaline solutions. Never throw the battery packs into a fire. If this is
violated, they will explode.
2. The components such as the power supply and FL inverter carry high voltages. When
you partially disassemble the computer and turn on the components, use extreme care
not to touch the connectors and components to avoid the risk of electrical shock. Do not
disassemble individual components during first-level maintenance.
WARNING:
1. To avoid the risk of electrical shock, turn the computer off and remove the AC adapter
from the electrical outlet.
2. Because the battery in the computer is left charged, the risk of electrical shock remains
even after the AC adapter is removed from the electrical outlet. To avoid the risk of
electrical shock, be sure to put off any metal jewelry or accessories such as necklaces,
bracelets, and rings before starting work. Never work with your hands wet or damped.
3. To avoid personal injury, use care to the sharp edges or corners of the components.
4-2 Satellite M40/M45, TECRA A4, dynabook Vx/4 Maintenance Manual