HP 7 3G, 7 VoiceTab manual System board, Description Spare part number

System board

Description	Spare part number
System board equipped with an AllWinner A31S 1.00-GHz quad core processor, 1.0-GB LP-	754942-001
DDR2 system memory, and an 8.0-GB Nand flash 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.Remove the middle frame (see Middle frame on page 14).

6.Remove the FPC cable (see FPC cable on page 19).

Remove the system board:

1.Disconnect the following cables from the system board:

(1)WiFi antenna board cable (see WiFi antenna board on page 18)

(2)Power/volume button board ZIF connector and cable (see Power/volume button board on page 16)

(3)Rear-facing webcamera ZIF connector and cable (see Rear-facing webcamera on page 17)

(4)TouchScreen ZIF connector and cable

(5)Proximity/ambient light sensor board ZIF connector and cable

System board 23