CAUTION:
A product can be degraded by as little as 700 V.
Typical electrostatic voltage levels
Relative humidity
Event
10%
40%
55%
Walking across carpet
35,000 V
15,000 V
7,500 V
Walking across vinyl floor
12,000 V
5,000 V
3,000 V
Motions of bench worker
6,000 V
800 V
400 V
Removing DIPS from plastic tube
2,000 V
700 V
400 V
Removing DIPS from vinyl tray
11,500 V
4,000 V
2,000 V
Removing DIPS from Styrofoam
14,500 V
5,000 V
3,500 V
Removing bubble pack from PCB
26,500 V
20,000 V
7,000 V
Packing PCBs in foam-lined box
21,000 V
11,000 V
5,000 V
28
Chapter 4 Removal and replacement procedures
Summary of Contents for 2000
Page 1: ...HP 2000 Notebook PC Compaq Presario CQ58 Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 22: ...3 Illustrated parts catalog Computer major components Computer major components 15 ...
Page 43: ...4 Remove the display bezel 3 36 Chapter 4 Removal and replacement procedures ...
Page 45: ...b Disconnect the module cable from the module 38 Chapter 4 Removal and replacement procedures ...
Page 82: ...d Disconnect the module cable 3 from the module Component replacement procedures 75 ...