Safety Precautions - Brother LX-300 Service Manual

4.1 Safety Precautions

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When conducting reassembly operations, place the unit on a grounded anti-static
sheet. LSI and other electronic components are sensitive to static electricity and
may be damaged if touched while charged.
•
Before transporting a circuit board, wrap it in a conducting sheet such as aluminum
foil.
•
When using a soldering iron or other heat-producing tool, ensure that heat does not
damage wires, circuit boards, or plastic parts such as covers.
•
Take care not to lose small screws or washers installed when replacing parts.
•
Tighten all screws to the torque specified in the table below.
•
As a safety precaution, wear gloves when conducting assembly operations.
4-1