Huawei G700-U10 Maintenance Manual page 5

G700-U10 Smartphone
Maintenance Manual Contents
10.1 Solution Introduction ................................................................................................................................................ 29
10.2 Baseband Subsystem ................................................................................................................................................ 30
10.2.1 Startup Management Circuit .................................................................................................................................. 30
10.2.2 Charging Management Circuit ............................................................................................................................... 36
10.2.3 Clock Circuit .......................................................................................................................................................... 41
10.2.4 Memory Circuit ..................................................................................................................................................... 44
10.3 RF Subsystem ........................................................................................................................................................... 45
10.3.2 Receive Channel .................................................................................................................................................... 46
10.3.3 Transmit Channel ................................................................................................................................................... 50
10.3.4 GPS Channel .......................................................................................................................................................... 52
10.3.5 Wi-Fi Channel ........................................................................................................................................................ 52
10.4 Peripheral Circuits .................................................................................................................................................... 54
10.4.1 LCD Circuit ........................................................................................................................................................... 54
10.4.2 TP Circuit ............................................................................................................................................................... 57
10.4.3 Front Camera Circuit ............................................................................................................................................. 59
10.4.4 Rear Camera Circuit .............................................................................................................................................. 61
10.4.5 G-Sensor Circuit .................................................................................................................................................... 63
10.4.6 3-in-1 Sensor Circuit .............................................................................................................................................. 65
10.4.7 Key Circuit............................................................................................................................................................. 66
10.4.8 Motor Circuit ......................................................................................................................................................... 68
10.4.9 Receiver Circuit ..................................................................................................................................................... 69
10.4.10 Microphone Circuit .............................................................................................................................................. 71
10.4.11 Speaker Circuit..................................................................................................................................................... 73
10.4.12 Headset Circuit .................................................................................................................................................... 75
10.4.13 SIM Card Circuit ................................................................................................................................................. 78
10.4.14 microSD Card Circuit .......................................................................................................................................... 80
10.4.15 USB Port Circuit .................................................................................................................................................. 82
10.4.16 Wi-Fi Module Circuit ........................................................................................................................................... 84
10.4.17 Bluetooth Module Circuit .................................................................................................................................... 86
10.4.18 GPS Module Circuit............................................................................................................................................. 87
10.4.19 FM Module Circuit .............................................................................................................................................. 88
11 Solder Points on the PCB and BGA Chips ........................................................................... 91
12 Functional Tests......................................................................................................................... 93
12.1 Keys .......................................................................................................................................................................... 93
12.2 MMI Test .................................................................................................................................................................. 94
12.3 Voice Call Test .......................................................................................................................................................... 96
Issue 1.0 (2013-07-22) Huawei Proprietary and Confidential iv
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