Fly FS455 Service Manual

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FS455 Nimbus 11 SERVICE MANUAL

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TABLE OF CONTENTS

INTRODUCTION………………………………………………………………………2

Chapter 1 EXPLODED VIEW AND COMPONENT DISPOSAL…………………3

EXPLODED DIAGRAM…………………………………………………………….3

DISASSEMBLY AND ASSEMBLY ………………………………………………………..4

SERVICE TOOLS…………………………………………………………………….4

DISASSEMBLE……………………………………………………………………….6

ASSEMBLY……………………………………………………………………………7

Chapter 2 SYSTEM BLOCK DIAGRAM……………………………………………8

Chapter 3 INSTRUCTION OF THE UNIT CIRCUIT……………………………….9

Chapter 4 ACTUALL BOARD……………………………………………………….10

SIDE A…………….…………………………………………..……………………………….16

SIDE B……………………….………………………………………………………………...16

Chapter 5 CIRCUIT INTRODUCTION………………………………………………21

Chapter 6 TROUBLESHOOTING……..………………………………………..…..27

Chapter 7 UPGRADE SOFTWARE INTRODUCTION…………..……………….34

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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.

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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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Chapter 1

EXPLODED VIEW AND COMPONENT DISPOSAL

1.1 EXPLODED

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1.2 DISASSEMBLY AND ASSEMBLY

1.2.1 SERVICE TOOLS

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Solder wire, soldering paste Wrist grounding strap, Antistatic gloves

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1.2.2 DISASSEMBLY

Remove battery cover Remove battery

Remove 11 screws Remove back cover

Remove PCBA 5 screws Separate TP- FPC

Separate ON/OFF-FPC Separate LCD FPC

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Separate After MIC&Motor FPC Separate PCBA

Separate after camera Separate front camera

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1.2.3 ASSEMBLY

Assemble front camera Assemble after camera

Assemble PCBA Assemble PCBA 5 screws

Assemble TP- FPC Assemble ON/OFF-FPC

Assemble LCD- FPC Assemble MIC &Motor-FPC

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Assemble back cover Assemble 11 screws

Assemble battery Assemble battery cover

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Chapter 2 ACTUALL BOARD

SIDE A AND B