2.3 ESD notes for electronic sub-assemblies
The sub-assemblies of radio control transmitters (main circuit board, RF module,
Channel-Check module, Scanner module) are fitted with electrostatically sensitive
components. These parts can be destroyed, suffer imperceptible damage or have
their useful life shortened if static discharges take place (potential equalisation
through electro-static discharge) when the sub-assembly is touched.
The following protective measures are essential if you have to handle elec-
trostatically sensitive sub-assemblies:
Before fitting or removing such sub-assemblies, equalise the electrical
potential difference between yourself and your environment (e.g. by touching
a heating radiator).
Open the basic device and touch it over a large area in order to equalise the
potential relative to the base unit.
Do not remove any sub-assemblies from their conductive anti-static bags
until you have equalised the potential. Avoid touching electronic components
or solder pads directly. Hold the sub-assembly by the edges of the circuit
board only.
Once removed from the basic device, the sub-assembly should only be
stored in the conductive anti-static bag in which it was delivered. Never allow
the sub-assembly to make direct contact with a conventional, non-ESD
compatible container made of foam, Styrofoam or other plastic.
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