Bosch WTA4410US Reparatie-instructie - Pagina 3

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Bosch WTA4410US Reparatie-instructie
1.3

EEC

1.1.1
Description
1.1.2
Generally
Economy, environmental protection, control comfort, high functionality
and working reliability are realized with electrical household
appliances by the insertion of most modern electronics. This high-
quality technology requires a professional handling and a competent
specialized knowledge.
All electronic modules are equipped with components, which are
endangered by an electrostatic voltage.
1.1.3
Endangered coponents
The following elements are endangered by electrostatic voltage:
µ
Processors and IC`s
Transistors, thyristors and Triac`s
Diodes
1.1.4
Causes and effect
They lead an electrostatic voltage with itself:
113_58300000104082_ara_en_h.doc – 19.03.07
Electrostatically -
Endangering -
Components
of up to 35,000 V, if you walk over a non conductive carpet,
of up to 12,000 V, if you walk over a non conductive PVC soil
and of up to 1,800 V, if you sit on a padding chair.
The electrostatic voltage of their body is passed to electronics and
EEC`s affected by them, which are possibly damaged thereby.
Dead
A defect part
A defect component
A defect appliance
Slightly hurt
Damaged
Weakened
Early failure
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