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discharge path is formed through wiring and components.
Integrated Circuit(IC) chips can be partly damaged or
totally destroyed.
Here is the so-called "tribo-electric" series of
materials (Fig. 2).
Rubbing materials from this series against each other
and then separating them from each other causes a
build-up of electrostatic charges.
If the materials are far apart in the series, there
will be a higher electric charge.
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ELECTROSTATIC DISCHARGE - ESD PROBLEMS
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ELECTROSTATIC DISCHARGE
ESD PROTECTION
Here are some precautions to avoid damage of electronic
equipment by ELECTROSTATIC DISCHARGE.
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ELECTROSTATIC DISCHARGE - ESD PROTECTION
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ELECTROSTATIC DISCHARGE
LRU REMOVAL
Replacing an LRU (LINE-REPLACEABLE UNIT) bearing this
label, requires these precautions.
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ELECTROSTATIC DISCHARGE - LRU REMOVAL
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ELECTROSTATIC DISCHARGE
LRU TEST
Testing of installed LRUs requires the following
precautions.
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ELECTROSTATIC DISCHARGE - LRU TEST
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ELECTROSTATIC DISCHARGE
WORK STATION
The removal and testing of PRINTED-CIRCUIT BOARDS from
an LRU bearing this label, is carried out as follows.
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ELECTROSTATIC DISCHARGE - WORK STATION
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SELF EXAMINATION
How does electrostatic electricity build up ?
A - By touching electrical circuits under
tension.
B - By rubbing materials with each other or
separating plastic sheets or tapes.
C - By moving metals over plastic surfaces.
How is electrostatic discharge sensitive equipment
identified ?
A - By a circular red label.
B - By an orange triangular label.
C - By a black-and-yellow label.
Which are some basic precautions to be taken in
the case of electrostatic discharge sensitive
equipement ?
A - Cover the unit with plastic material.
B - Do not touch connector pins, place
protective caps on them.
C - Test circuits with dielectric testers if
necessary.
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31 - INDICATING/RECORDING SYSTEMS
31-00-00 COMPUTER REMOVAL/INSTALLATION
CONTENTS:
Computer Removal/Installation
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_A319/A320/A321 TECHNICAL TRAINING MANUAL
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