Huawei YU220 Manuals

Manuals and User Guides for Huawei YU220. We have 1 Huawei YU220 manual available for free PDF download: Service Manual

Huawei YU220 Service Manual

Huawei YU220 Service Manual (66 pages)

Brand: Huawei | Category: Cell Phone | Size: 3 MB

Table of Contents

Table of Contents
3
Chapter 1 Mainboard Working Principle

11
Chapter 2 Mainboard Device Location Plan and Material Bom Information

11
Chapter 3 Maintain Flow Direction

11
- Host Maintain Flow
  12
- Flashtool Load Guidance
  12
Chapter 4 Advanced Maintain Condition and Tool Detailed Account

17
Chapter 5 Mobile Principle and Malfunction Analysis

17
- Fail to Start up
  17
  - Large Current (Direct-Current Main Power Supply)
    23
- Restart on Screen
  26
  - Speaker Noumenon Bad
    34
  - Speaker Access
    34
- Receiver
  37
- Recognize Card
  41
  - Recognize Tcard
    41
- Gps Wifi Bt
  56
- Motor G-Sensor Sidekey
  57
  - Motor
    57
  - G-Sensor
    58
  - Sidekey
    59
Chapter 6 Pcb Board and Bga Chip Welding Spot Indicator Diagram

61

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