FLY E190 Service Manual
E190 SERVICE MANUAL
E190 main function:
Dual Sim
Fashion touch lens mobile phone
FM, BT function
Camera: 2.0M; Software: 3.2M
USB 2.0
T-Flash（Support 8G T Card）
3.5“TFT HVGA(480*320)
Mp3、Midi、AMR、AVI、
Net model: GSM/GPRS 900/1800/1900 or 850/1800/1900
LCD: 3.5“TFT HVGA(480*320)
CPU：MT6236BN
BT FUNCTION：Support:V1.2, Don’t Support:S tereo Music
CAMERA：Type：JPG Size 1600*1200/1280*1024/640*480/ 128*96/352*288
battery（1400mAh）
3GP、MP4、RMVB \ WIFI
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INTRODUCTION
The purpose of this document is to help service workshop technicians to service products. This service
manual must be used only by authorized service suppliers. The content of it is confidential. Please note that
provides other guidance documents for service suppliers. Follow these regularly and comply with the given
instructions. while every effort has been made to ensure the accuracy of this document, some errors may
exist. please keep in mind also that this documentation is continuously being updated and modified, so
always watch out for the newest version.
CAUTIONS
Please refer to the phone’s user’s guide for instructions relating to operation, care, and maintenance,
which include important safety information.
1. Servicing and alignment must be undertaken by qualified personnel only.
2. Ensure all work is carried out at an anti-static workstation and that an anti-static wrist strap is worn.
3. Use only approved components as specified in the parts list.
4. Ensure all components, modules, screws, and insulators are correctly re-fitted after servicing and
alignment
5. 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.
GENERAL REPAIR INFORMATION
1. Make sure your testing equipment is functioning properly before beginning repair work.
2. before starting repairs you must observe ESD precautions such as being in your ESD
protected area and connecting your wristband.
3. use gloves to avoid corrosion and fingerprints.
4. cover windows and displays with a protective film to avoid dust and scratches.
5. use a lint-free cloth to clean the LCD.
6. when cleaning the pads use a soft cloth\ESD brush and isopropanol. Do not use a glass
fiber pencil: this scratches the surface and will corrosion.
7. non-faulty mechanical parts(except shielding lids and bent parts or soldered components).
May be reused if they are not soldered.
8. when removing the shielding lids make sure to replace them with new ones, otherwise the
high-frequency leakage can affect the device.
9. always use the original spare parts.
10. check the soldering joints of the parts concerned with regard to the fault symptom. And
resolder them if necessary.
11. remove excess soldering flux after repair.
12. observe the torque requirements when assembling the unit.
13. please aware that some malfunctions may be software related and solved by an update
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DISASSEMBLY AND ASSEMBLY
SERVICE TOOLS
Iron
Oscillograph
Multimeter
850 heater
Voltage regulator
Constant temperature heater
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Computer and software download cable
Solder wire, soldering paste
Metal tweezers
Software
download cable
Solder wire
soldering paste
Screw driver
SRT-6
Metal tweezers, Screw driver, SRT-6 Plates
Microscope
Wrist
grounding strap
Antistatic gloves
Wrist grounding strap, Antistatic gloves
Plate
MTK series CPU plate
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4. disassembly
Remove battery cover 1 remove screws 2
Separate A B cover 3
Open LCD connector 5
Take off screws 4
Take out PCBA 6
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Take off the thin film 7
Take off FPC connector 8
Take off speaker foam 9 Take off TP lens connector 10
Take off LCD holder 12 Take off PCBA 11
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Paste on thin film 13
assembly
Take off film 1
Install lcd holder 3
Paste on film 14
take off film 2
install switch 4
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Install FPC connector 7
install tp lens connector 6 Install connector 5
Paste on the film 8
install PCBA 9
Install two screws 10
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Install LCD FPC 11
Install motor 12
Close back cover 13 Close it 14
Install screws 15 Close the battery cover 16
finish……….
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Chapter 2
SYSTEM BLOCK DIAGRAM
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Side A:
5. PCBA A, B SIDE
J601 LCD
LCD connector
Side B:
1
J303 earphone
connector
U502 PA
RF7166
U501 RF IC
AD6548
J701 sim card
U402
FM IC
J705 T
card
U301
flash
J201 battery connector
U101 CPU
MT6236
J401
LCD connector
J301
I\O connector
U901 TV 芯片
MT5921
U602 背灯驱动
芯片 RP3166
A side
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7. ELEC introduction
7.1.1 CPU
Power on and
off control
USB
TP reset
FM clock
7.1.2 clock 32.768KHZ
32.768KHZ
T FLASH
connector
WIFI、FM、
TP data
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