Repair work at electric and electronic components
8
Repair work at electric and electronic components
DANGER!
Danger of electric shock.
Danger to life.
The unit must be switched off and disconnected from the power supply prior to perform-
ing most of the described service tasks.
Take all precautionary measures that a unit which is disconnected from the power supply
will not be inadvertently connected to the power supply.
∅
The unit must be live to perform some of the service tasks.
In this case, a second person must be present who is able to switch off the unit in case
of emergency.
CAUTION!
Danger of damaging the electronics.
Circuit boards may be damaged by handling malpractices and touching of its components.
Prior to work at electronic components the technician must take appropriate protective
measures against electrostatic discharge. Wearing ESD shoes and a grounding bracelet
have shown to be useful.
Before opening the triangle instrument box the technician should at least electrostatically
discharge by touching grounded metallic objects.
Service Manual KBF (E5.2) 04-2015
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