HP 4 B5T03UA, 4 B5T04UA manual Typical electrostatic voltage levels, Event 10% 40% 55%

Page 35

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 27

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Contents HP Envy First Edition April Document Part Number Safety warning notice Iv Safety warning notice Table of contents Computer specifications Inch display specifications Vii Viii Product description Audio and video WirelessCategory Description Hard drives Optical driveCategory Description Keyboard/pointing Power requirements Supports the following HP AC adaptersOperating system Preinstalled Serviceability End-user replaceable part AC adapterCommunication and Chat CyberLink YouCam External component identificationDisplay Component DescriptionButton, speakers, and subwoofer Fn key KeysUser Guide LightsLeft side TouchPadSee the User Guide Right side Regulatory, Safety and Environmental NoticesBottom Description Function Service tagIllustrated parts catalog Computer major components Computer major componentsComponent Spare part Number Power button board Component Spare part Number Power connector cable includes bracketPower connector cable bracket RTC batteryUSB/Audio board BatteryFan Heat sink FanBase enclosure Subwoofer included in Speaker KitHard drive mSATA solid-state drive Mass storage devicesComponent Spare part number Hard drive 7mm Sata Screw Kit Miscellaneous partsSequential part number listing Component Spare part number AC adapter non-smartIllustrated parts catalog Sequential part number listing Illustrated parts catalog Sequential part number listing Illustrated parts catalog Tools required Removal and replacement proceduresPreliminary replacement requirements Service considerationsDrive handling Grounding guidelinesEvent 10% 40% 55% Typical electrostatic voltage levelsPackaging and transporting guidelines Material Use Voltage protection level Component replacement proceduresService label Description Spare part number Display panelPage Base enclosure Page Battery Page Hard drive Page Page Description Spare part number RTC battery 686922-001 RTC batteryMemory module Page Wlan module Page TouchPad module Description Spare part number Fan with foil 691641-001 FanSystem board Removal and replacement procedures Wlan module see Wlan module on Hard drive see Hard drive on Page Heat sink RJ-45 module cover Media card reader assembly smart card reader Description Spare part number Subwoofer 686586-001 SubwooferSecurity bracket Description Spare part number USB/Audio board 686584-001 USB/Audio boardPower connector cable Speakers Description Spare part number Power button board 688000-001 Power button boardFor use in country or region Spare part number KeyboardFor use in country or region Spare part number Page Top cover Description Spare part numbers Wlan antennas 686573-001 Wlan antenna cablesDisplay panel cable assembly Description Spare part numbers Webcam assembly 686587-001 Webcam assemblyDisplay hinges and hinge covers Page Changing the language of Setup Utility Setup Utility Bios and System DiagnosticsUsing Setup Utility Starting Setup UtilityDisplaying system information Navigating and selecting in Setup UtilityUpdating the Bios Restoring factory settings in Setup UtilityExiting Setup Utility Determining the Bios version Using System Diagnostics Inch display specifications SpecificationsComputer specifications Brightness Pixel resolutionTotal power consumption Viewing angle Metric Contrast ratioRestoring the system Backup and recoveryCreating restore media Using the dedicated recovery partition Performing a system recoveryClick System Recovery in the HP Recovery Manager window Changing the computer boot order Backing up and recovering your informationRestoring using the restore media Using Windows Backup and Restore When to create restore points Using Windows system restore pointsCountry/region Accredited agency Applicable note number Power cord set requirementsRequirements for all countries Requirements for specific countries and regionsJIS Recycling Index Hdmi