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
Preliminary replacement requirements
35
Содержание ProBook 455
Страница 1: ...HP 450 Notebook PC and HP 455 Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ...
Страница 8: ...viii ...
Страница 15: ...2 External component identification Front Component Description Speakers 2 Produce sound Front 7 ...
Страница 50: ...4 Remove the display bezel 3 42 Chapter 4 Removal and replacement procedures ...
Страница 52: ...b Disconnect the module cable from the module 44 Chapter 4 Removal and replacement procedures ...
Страница 87: ...d Disconnect the module cable 3 from the module Component replacement procedures 79 ...
Страница 130: ...WLAN module illustrated 21 removing 48 spare part number 30 workstation guidelines 36 122 Index ...
