HP 8 II 1411 manual System board

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3.Detach the speakers (3) from the display panel assembly. (The speakers are attached to the display panel assembly with double-sided adhesive.)

4.Remove the speakers and cables. Reverse this procedure to install the speakers.

System board

Description	Spare part number

System board (equipped with an AllWinner A33 ARM cortex-A7 1.20-GHz quad core processor,	785180-001
graphics subsystem with UMA memory, 1.0-GB DDR3 system memory, and a 16-GB
Nand 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 12).

5.Disconnect the battery cable from the system board (see Battery on page 14).

Remove the system board:

20 Chapter 5 Removal and replacement procedures

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Contents HP 8 G21411 Tablet Product notice Software termsSafety warning notice Iv Safety warning notice Table of contents Power cord set requirements Product description Operating system ServiceabilityCategory Description External component identification Illustrated parts catalog Tablet major components 785180-001Miscellaneous parts Sequential part number listingSequential part number listing Tools required Removal and replacement preliminary requirementsService considerations Event 10% 40% 55% Grounding guidelinesTypical electrostatic voltage levels Packaging and transporting guidelines Equipment guidelines Material Use Voltage protection levelBack cover Removal and replacement proceduresTablet component replacement procedures Description Spare part numberPage Battery Power/volume button board Front-facing webcam Page Rear-facing webcam Speakers System board Page Page Specifications Updating apps, widgets, and the operating system Backing up and recovering your dataFactory data reset Requirements for specific countries and regions Power cord set requirementsRequirements for all countries Country/region Accredited agency Applicable note numberPower cord set requirements Recycling Index