User Manuals: FLY IQ442 QUAD Mobile Phone Battery

User Manuals: FLY IQ442 QUAD Mobile Phone Battery

Manuals and User Guides for FLY IQ442 QUAD Mobile Phone Battery. We have 1 FLY IQ442 QUAD Mobile Phone Battery manual available for free PDF download: Maintenance Work Manual

FLY IQ442 QUAD Maintenance Work Manual

FLY IQ442 QUAD Maintenance Work Manual (24 pages)

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

Table of Contents

Introduction
2
Table of Contents
3
1 、System Summary

4
- The Diagram of IQ442 QUAD
  4
- The Main Components List
  5
- The Details of System Model
  6
  - Radio Model
    6
    
    The Radio Transceiver
    6
    
    GSM Signal's Path
    6
    
    WCDMA Signal's Path
    8
  - Power Management Unit
    10
    
    The Timing of System's Boot
    10
    
    PMU Output Voltage
    11
  - Memory
    12
  - The Reference for No- Power on Mobile
    12
  - Audio Model
    13
    
    MIC
    13
    
    Receiver
    13
    
    Speaker
    14
    
    Audio Jack
    14
  - Other Peripherals
    15
    
    Vibrator
    15
    
    Touch Panel Circuit
    15
    
    Camera
    16
    
    Light Sensor Circuit
    17
    
    G-Sensor
    18
    
    Bluetooth & WIFI Module
    18
    
    Gps
    20
    
    Lcd
    21
  - Peripheral Interface IO
    22
    
    USB Interface
    22
    
    Side Key
    22
  - TF Card and USIM Card Interface
    23
3 The Factory Happened Case

23
- Epilog
  24

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