HP 8 1400 manual System board

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Reverse this procedure to install the antenna.

System board

Description	Spare part number

System board equipped with AllWinner A31S 1.00-GHz quad core processor, graphics	753191-001
subsystem with UMA memory, 1.0-GB DDR3 system memory, and 16-GB eMMC hard drive

Before removing the system board, follow these steps:

1.Turn off the tablet. If you are unsure whether the tablet is off or in Hibernation, turn the tablet on, and then shut it down through the operating system.

2.Disconnect the power from the tablet by unplugging the power cord from the tablet.

3.Disconnect all external devices from the tablet.

4.Remove the back cover (see Back cover on page 11).

5.Disconnect the battery cable from the system board (see Battery on page 13).

22	Chapter 5 Removal and replacement procedures

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Contents Compaq 8 1400 Tablet Product notice Safety warning notice Iv Safety warning notice Table of contents Page Product description Audio and videoExternal component identification Rear-facing webcamera Illustrated parts catalog Locating the serial number, product number, and model numberTablet major components Rear-facing webcamera includes cableMiscellaneous parts Sequential part number listingService considerations Removal and replacement preliminary requirementsTools required Grounding guidelines Electrostatic discharge damagePackaging and transporting guidelines Equipment guidelines Tablet component replacement procedures Removal and replacement proceduresBack cover Page Battery Power/volume button board Front-facing webcamera Page Rear-facing webcamera Speakers Microphone Page Antenna System board Page Page Specifications Factory data reset Backing up and recovering your dataUpdating apps, widgets, and the operating system Requirements for all countries Power cord set requirementsRequirements for specific countries and regions Power cord set requirements Recycling Index JacksTablet