Electrostatic Discharge; Generating Static - Compaq 1255 Maintenance And Service Manual

Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
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Models: 1255, 1256, 1260, 1262, 1266, 1267, 1272, 1273, 1274, and 1275
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A sudden discharge of static electricity from a finger or other conductor can
destroy static-sensitive devices or microcircuitry.
Often the spark is neither felt nor heard, but damage occurs. An electronic
device exposed to an electrostatic discharge (ESD) may not be affected at
all and will work perfectly throughout a normal cycle. Although it may
function normally for a while, it is possible for the exposed device's
internal layers to degrade, reducing its life expectancy considerably.
Networks built into multiple integrated circuits provide some protection,
but in many cases, the discharge can contain enough power to alter device
parameters and melt silicon junctions.
This table shows the different electrostatic voltage levels generated by various
file:///C|/SERVICE%20MANUALS/COMPAQ%20_%20checke...01272,%201273,%201274,%20and%201275/electro.html (1 of 2)6/28/2004 9:23:33 AM
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Maintenance & Service Guide
Presario 1200 Series
| Notice | Preface
| Removal & Replacement Procedures
Pin Assignments

Generating Static

NOTE: 700 volts can degrade a
product.
| Product Description
| Battery Pack Operations

Electrostatic Discharge

activities.
United States June 28, 2004
| Troubleshooting
| Specifications