FLY IQ4401 Manuel utilisateur

FLY SERVICE SUPPORT

Fly IQ4401 Service Manual

CAUTIONS

Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance, which include important

safety information.

Servicing and alignment must be undertaken by qualified personnel only.

Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.

Use only approved components as specified in the parts list.

Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and alignment

Ensure all cables and wires are repositioned correctly

Electrostatic discharge can easily damage the sensitive components of electronic products. Therefore, every service supplier

must observe the precautions which mentioned above.

Product Hardware Introduction

Base Chip Set

MT6572A/X

PMIC

MT6323

Transceiver

MT6166

Camera DSP/MMP

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RFPA

GSM PA：VC7584；WCDMA PA：VC5318

MT6627N

Audio CODEC&PA

Memory

SD7DP24C-4G, ，SANDISK

TP IC

IC:FT6206

Peripheral

Configuration

LCD

4.0”，IC: ILI9806E

Backlight Driver

CAMERA

Rear camera:2.0 IC：SP2529 Front camera:0.3IC：SP0A19

Memory Card

T-CARD:32GB

Antenna

PIFA antenna

Basic

Performance

Indicators

Leakage current

0.2mA

Standby current

5.2mA

Call current as

maximum power

GSM900：32.1dbm

DCS1800：29.1dbm

Board‐Tri SIM stand

by level power

CH1

32.11 dBm

CH63

32.12 dBm

CH124

32.08 dBm

CH512

29.11 dBm

CH699

29.15 dBm

CH885

29.20 dBm

Board‐level

receiver sensitivity

CH1

-110.00

CH63

-110.00

CH124

-108.00

CH512

-110.00

CH699

-110.00

CH885

-110.00

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WCDMA 射频参数

测试项目

Testing

items

参考标准

Reference Standard

测试信道

Testing channel

Band I

Band VIII

Downlink

10562

Uplink

9612

Downlink

10700

Uplink

9750

Downlink

10838

Uplink

9888

Downlink

2937

Uplink

2712

Downlink

3012

Uplink

2787

Downlink

3088

Uplink

2863

最大输出功

率Max

Output

Power(dBm)

Power：24dBm

Tol:+1/-3dB

22.58

22..39

22.42

22.86

22.71

22.93

最小输出功

率Minimum

Transmit

Power

< -50 dBm/3.84MHz

-56.61

-56.32

-56.26

-55.08

-56.18

-56.01

占用带宽

Occupied

Bandwidth

< 5MHz

Not exceed 5MHz

4.141

4.163

4.125

4.136

4.144

4.147

邻信道泄漏

抑制比 ACLR

ACLR

request >

33 dB @ ±5 MHz,

> 43 dB @ ±10

MHz

Pass/Fail

PASS

矢量幅度误

差EVM

< 17.5%

Not exceed 17.5%

4.05

4.56

4.64

2.35

5.83

3.08

峰值码域误

差Peak

code domain

error

< -15dB

not exceed -15dB

-35.22

-29.68

-33.64

-42.79

-40.52

-42.12

频率误差

Frequency

error

+/- 0.1ppm

如Band I：

+/-210Hz

2.46

4.56

9.42

-3.52

1.89

1.06

频谱发射模

板Spectrum

Emission

Mask

Emission Mask

Pass/Fail

PASS

参考接收灵

敏度

Reference

Sensitivity

Level

BER < 0.001 when Îor = -106.7

dBm

-110

-109

-110

-111

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最大输入电

平Maximum

Input

Levele)

BER < 0.001 when Îor = -25 dBm

-14.4

-14

上行内环功

控Uplink

Inner Loop

Power

Control

Pass/Fail

PASS

GSM 射频参数

项目

Items

发射功率

(dBm)

Transimt

power

最大发射

功率发射

时参数测

量

Measured

paramete

rs under

the

maximum

transmit

power

L10

L15

L19

平均相位

误差

Average

Phase

error

峰值相

位误差

Peak

value

phase

error

频率误差

Frequency

error

接收质量

(BS=-85)

Receiver

quality

(BS=-85)

灵敏度 RBER＜

2.4％

Sensitivity

RBER＜2.4％

标准

Standdard

33±2

23±3

14±3

5±3

<5º

±20º

±90

23≤RX≤27

优于

－102dBm

Less than －

102dBm

CH1

32.11

22.87

12.87

5.19

0.38

1.35

17.86

-110.50

CH63

32.12

22.89

12.94

5.27

0.39

1.44

17.63

-110.50

CH124

32.08

22.88

12.97

5.29

0.4

1.82

18.98

-108.50

CH975

32.18

22.88

12.84

5.51

0.4

1.21

18.50

-110.50

CH1023

32.16

22.89

12.89

5.20

0.4

1.3

16.30

-110.50

项目

Items

发射功率

(dBm)

Transimt

power

最大发射

功率发射

时参数测

量

Measured

FLY SERVICE SUPPORT

paramete

rs under

the

maximum

transmit

power

L10

L15

平均相位

误差

Average

Phase

error

峰值相

位误差

Peak

value

phase

error

频率误差

Frequency

error

接收质量

(BS=-85)

Receiver

quality

(BS=-85)

灵敏度 RBER＜

2.4％

Sensitivity

RBER＜2.4％

标准

Standdard

30±2

20±3

10±3

0±4

<5º

±20º

±180

23≤RX≤27

优于

－100dBm

Less than －

100dBm

CH512

29.11

19.75

9.48

0.44

0.63

3.41

33.74

-110.00

CH699

29.15

19.96

9.99

0.73

0.63

2.39

34.86

-110.00

CH885

29.20

20.26

10.56

1.06

0.64

2.37

28.57

-110.00

项目

Items

发射功率

(dBm)

Transimt

power

最大发射

功率发射

时参数测

量

Measured

paramete

rs under

the

maximum

transmit

power

L10

L15

L19

平均相位

误差

Average

Phase

error

峰值相

位误差

Peak

value

phase

error

频率误差

Frequency

error

接收质量

(BS=-85)

Receiver

quality

(BS=-85)

灵敏度 RBER＜

2.4％

Sensitivity

RBER＜2.4％

标准

Standdard

33±2

23±3

14±3

5±3

<5º

±20º

±90

23≤RX≤27

优于

－102dBm

Less than －

102dBm

CH128

32.07

22.77

12.76

4.86

0.31

1.83

7.95

-111

CH190

32.11

22.87

12.90

4.99

0.30

1.25

9.09

-111

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CH251

32.10

22.93

13.00

5.04

0.30

1.12

10.05

-111

项目

Items

发射功率

(dBm)

Transimt

power

最大发射

功率发射

时参数测

量

Measured

paramete

rs under

the

maximum

transmit

power

L10

L15

平均相位

误差

Average

Phase

error

峰值相

位误差

Peak

value

phase

error

频率误差

Frequency

error

接收质量

(BS=-85)

Receiver

quality

(BS=-85)

灵敏度 RBER＜

2.4％

Sensitivity

RBER＜2.4％

标准

Standdard

30±2

20±3

10±3

0±4

<5º

±20º

±180

23≤RX≤27

优于

－100dBm

Less than －

100dBm

CH512

29.05

19.75

9.42

0.56

0.62

2.31

34.25

-107.50

CH661

29.11

19.94

9.98

0.54

0.66

4.18

32.83

-109.00

CH810

29.09

19.96

10.11

0.40

0.65

2.33

31.39

-109.00

FLY SERVICE SUPPORT

INTRODUCTION

Spec：

Network 2G: GSM/GPRS 850/900/1800/1900MHz

Network 3G: WCDMA 900/2100/MHz

Scream: 4.0, 480*800 WVGA LCD

Bluetooth：3.0+HS A2DP HFP EDRD

Camera：Rear 5.0MP Camera FF

Front camera:0.3MP

Size：122*63*12.7mm

Battery:2500mAh

Fly IQ444 Main function

* 4.0, 480*800 TFT LCD

*MTK6572

* Dual SIM stand by

*Camera：Rear 5.0MP Camera FF

Front camera:0.3MP

*BT, FM

*Multimedia player

*T-Flash Up to 32 GB

*MP3,AAC, MIDI ,WAV

*Normal keypad

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SERVICE TOOLS

Voltage regulator

Multimeter

Iron

Hot air gun

Solder wire, soldering paste

Computer and software download cable

Metal tweezers, Screw driver etc

Pick

Driver

Tweezers

Wrist

groun

ding

strap

Antistatic

gloves

upDownlo

ad cable

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DISASSEMBLYAND ASSEMBLY

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