Caution- D o not connect the wrist strap clip to the ESD mat. By connecting the wrist
strapclip to the chassis, the operator and components have the same level of
potential,th us eliminating the danger of static damage.
A
B
How to use a wrist strap
Wear a wrist strap in such a way that the inner metal surface (A in the figure) of the
wriststr ap band is in contact with your skin. Connect the clip (B in the figure)
directlyto the ch assis.
Figure1-7 Wriststrap connection destination
1.6 Other Precautions■Printed boards in the chassis can be easily damaged by static electricity. To
preventdamage to printed boards, wear a wrist strap and ground it to the chassis
prior to starting maintenance.
■Whenmounting any component in the chassis, check the connectors on both of the
chassisand component beforehand to confirm that none of the pins are bent and
that allt he pins are neatly arranged in lines. If a component is mounted with a
bentpin in aco nnector, the chassis or component may be damaged. Also, carefully
proceedwith the work to prevent any pin from being bent.
Chapter1 BeforeStarting Maintenance Work 7