Huawei U9500 Maintenance Manual page 41

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U9500 Maintenance Guide

9 Troubleshooting

BCM4330 is the three-in-one transceiver chip of Bluetooth, Wi-Fi, and FM signals. The

BCM4751 is an integrated chip of GPS signal reception and processing. U9500 consists of

boards, built-in battery, and mechanical parts. Boards include the PCBA (HD1U9500M),

receiver FPC (HD1U9500R), main FPC (HD1U9500L), flashlight FPC (HD1U9500FL), and

antenna board (HD1U9500A), and other module groups, such as LCD module group, camera

module groups, vibrator/microphone/speaker/receiver module groups. Mechanical parts

include the touch lens, front cover, back cover, and battery cover, sound cavity, main antenna,

GPS antenna, Wi-Fi, antenna, and Bluetooth antenna.

0 shows the hardware block diagram of U9500Note: U9500 has no NFC or Cap key module.

Figure 9-2 Hardware block diagram of U9500

Based on the functions, the PCBA can be divided into four subsystems: baseband (consisting

of the AP, modem BB), RF, power, and user interfaces. Table 9-1 described the modules and

units subordinated to each subsystem and their functions.

Issue 1.2 (2012-6-30)

Huawei Proprietary and Confidential

Table of Contents

Troubleshooting