Compaq 4120T Personal Computer User Manual


 
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4-2 Removal and Replacement Preliminaries
4.1.2 Preventing Electrostatic Damage
to Equipment
Many electronic components are sensitive to ESD. Circuitry design and structure
determine the degree of sensitivity. The following proper packaging and grounding
precautions are necessary to prevent damage:
Protect all electrostatic parts and assemblies with conductive or approved
containers or packaging.
Keep electrostatic-sensitive parts in their containers until they arrive at
static-free stations.
Place items on a grounded surface before removing them from their
container.
Always be properly grounded when touching a sensitive component or
assembly.
Place reusable electronic-sensitive parts from assemblies in protective
packaging or conductive foam.
Use transporters and conveyors made of antistatic belts and metal roller bushings.
Mechanized equipment used for moving materials must be wired to ground and proper
materials selected to avoid static charging. When grounding is not possible, use an
ionizer to dissipate electric charges.
4.1.3 Removing Batteries
Compaq recommends that you remove all batteries from the computer before beginning
the disassembly procedures. Failure to do so could cause damage to computer
components.