Baseband Subsystem; Startup Management Circuit - Huawei G700-U10 Maintenance Manual

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G700-U10 Smartphone

Maintenance Manual

The core of the phone PCBA includes the MT6589 (baseband processing module), MT6320

(PM module), RF module (including the transceiver, PA, and antenna), man-machine

interfaces, and dedicated functional modules (such as Wi-Fi, GPS, and Bluetooth). The LCD

connects to the PCBA through the FPC; the receiver and speaker connect to the PCBA

through springs; the motor and microphone are soldered to the PCBA; the RF antenna

connects to the PCBA through springs. All the preceding components plus the covers and

battery comprise a mobile phone.

The G700-U10 incorporates a 5-inch TFT LCD with a resolution of 1280 x 720 pixels. The

phone has a built-in RF antenna and works with a 2150 mAh Li-polymer battery.

10.2 Baseband Subsystem

Circuit Diagram

Figure 10-2 Startup circuit

Issue 1.0 (2013-07-22)

Huawei Proprietary and Confidential

10 Circuit and Failure Analysis

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