Principles And Failure Analysis; Y300 Conceptual Block Diagram And Introduction - Huawei Y300 Maintenance Manual

Y300 Maintenance Manual

9.1 Y300 Conceptual Block Diagram and Introduction

Figure 9-1 shows the Y300 conceptual block diagram.
Figure 9-1 Y300 conceptual block diagram
The Y300 is a UMTS bar-type phone developed by Huawei. It adopts the
MSM8225+PM8029 chip solution provided by Qualcomm.
The Y300's main PCB consists of the MSM8225, PM8029, and RF components. The main
PCB connects to components in several ways, including:
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Principles and Failure Analysis

Connects to the LCD using the FPC.
Connects to the receiver and speaker using both springs and the FPC, and connects to the
RF antenna using a spring only.
Connects to the motor and microphone using soldering.
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