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
ENWW
Preliminary replacement requirements
33
Содержание Compaq CQ58
Страница 1: ...HP 2000 Notebook PC Compaq CQ58 Notebook PC Maintenance and Service Guide ...
Страница 4: ...iv Safety warning notice ENWW ...
Страница 8: ...viii ENWW ...
Страница 23: ...3 Illustrated parts catalog Computer major components ENWW Computer major components 15 ...
Страница 38: ...30 Chapter 3 Illustrated parts catalog ENWW ...
Страница 52: ...b Disconnect the module cable from the module 44 Chapter 4 Removal and replacement procedures ENWW ...
Страница 58: ...Reverse this procedure to install the WLAN module 50 Chapter 4 Removal and replacement procedures ENWW ...
Страница 87: ...c Disconnect the module cable 3 from the module ENWW Component replacement procedures 79 ...
Страница 110: ...102 Chapter 5 Using Setup Utility BIOS and System Diagnostics ENWW ...
Страница 114: ...106 Chapter 6 Specifications ENWW ...
Страница 122: ...114 Chapter 7 Backing up restoring and recovering ENWW ...
Страница 126: ...118 Chapter 8 Power cord set requirements ENWW ...