1 DS156 Service Manual FLY DS156 Service Manual LONGCHEER CONFIDENTIAL.

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FLY DS156 DS156 Service ManualService Manual

LONGCHEER CONFIDENTIAL

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Agenda

Product Instruction …………p3-p4

Disassembly Guide …………p5-p17

Layout Graph …………………p18-p20

Troubleshooting …………….p21-p27

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Product InstructionProduct Instruction

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Product InstructionProduct Instruction

Customer Type ： FLY

Internal Model ： MDR_X1000E_A01

Platform ： MTK6223D

Battery ： 1000mA(BL-5C) （ Charger: travel type 、 Data cable: Mini 10 pin 、 Earphone: Mini 10 pin ）

LCD ： 1.8’ 　 Resolution:128 ＊ 160 　 65K 　 TFT

Camera ： CIF (SENSOR TYPE:CMOS)

Frequency Band ： GSM900 　 DCS1800

Ring ： 64 chord

Support ： Dual T-Flash 、 MP3 、 MP4(REC ）、 FM

Support ： GPRS 、 WAP

Support ： MMS 、 SMS

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Disassembly Disassembly GuideGuide

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1. 1. Tools PreparationTools Preparation

Nipper / Cross screwdriver / Soldering iron /Filmy plastic card/MultimeterNipper / Cross screwdriver / Soldering iron /Filmy plastic card/Multimeter

Nipper

iron

Filmy plastic Filmy plastic cardcard

Cross

screwdriver

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2. Battery Cover Disassembly 2. Battery Cover Disassembly

Disassembly Instruction: Remove battery cover, as the Pic.1; Remove 6pcs screws by screwdriver as the Pic.2;

Picture 1

Picture 2

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3. Rear Housing Disassembly 3. Rear Housing Disassembly

Disassembly Instruction: Carefully open all clips around the front housing with the plastic card and remove the rear housing as the Pic.3&4; See the rear housing and main board as the Pic.5&6;

Picture 3

Picture 4

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Rear

Housing

Picture 5

Picture 6

3. Rear Housing Disassembly 3. Rear Housing Disassembly

Speaker

Camera

SIM Card

Base

T-Flash Card

Base

Antenna

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Disassembly Instruction: Put the protective film on the LCD and Lens against dust and finger prints as the Pic.7&8;

Front

Housing

4. Main Board and Front Housing disassembly 4. Main Board and Front Housing disassembly

Picture 7

Picture 8

Keypad

LCD Keypad DOME

Receiver

MIC

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Disassembly Instruction: First turn over the Speaker from mainboard. Carefully all clips around the mainboard. As the

Pic.9;

5. Speaker Disassembly 5. Speaker Disassembly

Picture 9

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Disassembly Instruction: Turn over the speaker and soldering the wire of speaker. As the Pic.10&11;

5. Speaker Disassembly 5. Speaker Disassembly

Picture 10 Picture 11

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Disassembly Instruction: Taking the camera away from camera connector. As the Pic.12;

6. Camera Disassembly 6. Camera Disassembly

Picture 12

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Disassembly Instruction: Turn over the LCD from mainboard, as the Pic.13;

7. LCM Assembly Disassembly 7. LCM Assembly Disassembly

Picture 13

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Disassembly Instruction: Dilacerate insulated Mylar of LCD by hand. And then take up the LCD and camera by soldering iron as the Pic.14;

Please attention: When dilacerate in insulated Mylar of LCD by hand, please force uniform;

LCD

ConnectionSoldering iron

7. LCM Assembly Disassembly 7. LCM Assembly Disassembly

Picture 14

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Disassembly Instruction:

Taking up the Microphone by soldering iron as the Pic.15.

8. MIC disassembly 8. MIC disassembly

Picture 15

MIC

Connector

MIC

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99. . Exploded View Parts

Front View Back View

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Layout Graph

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Layout graph

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Transceiver

RF　 Switch

And PA

Flash

CPU

FM Chip

Layout graph

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Troubleshooting

L1&L2

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Trouble shooting for Repair and TestTrouble shooting for Repair and Test

1. Display Abnormal (display back/white1. Display Abnormal (display back/white 、 、 display disorder etc)display disorder etc)

a. Upgrading software b. Whether the LCM is break, or whether the FPC rupture;c. Re-soldering connector of FPC cable;d. Replace a new LCM and double test;e. Measure LCM connector by multi-meter as the Pic.18;f. If can’t repair yet, please refer to level 3 repair manual.

Control SignalData Signal LED Signal

Reset Signal

Picture 18

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2. No ring tone and Receiver no toneNo ring tone and Receiver no tone 1)No ring tonea. Check speaker SMT issue, and re-soldering;b. If cable is OK, it need to replace a new speaker;c. Check component of speaker circuit on the main board as the Pic.19;d. If can’t repair yet, please refer to level 3 repair manual.

2) Receiver no tone a. Check whether the touch is ok between receiver connection’s PIN and PAD of main board. We also can

adjust PIN of receiver to confirm;b. Replace a new receiver and double test;c. Check component of receiver circuit on the main board as the Pic.20;d. If can’t repair yet, please refer to level 3 repair manual.

Receiver Circuit　

Speaker Connector　

Trouble shooting for Repair and TestTrouble shooting for Repair and Test

Picture 19 Picture 20

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3. No receivera. Check MIC SMT issue and re-soldering;

b. Replace a new MIC and double test, as the Pic.21;

c. If can’t repair yet, please refer to level 3 repair manual.

MIC Circuit

Trouble shooting for Repair and TestTrouble shooting for Repair and Test

Picture 21

MIC

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4. No Signal or Weaka. Check whether the touch is ok with shrapnel of antenna and main board, if can’t please

re-fix;

b. Measure the signal receiver circuit between SA100 and W101 by multimeter as the Pic.22;

c. If can’t repair yet, please refer to level 3 repair manual.

Trouble shooting for Repair and TestTrouble shooting for Repair and Test

Picture 22

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5. Camera failed (Display abnormal 、 Display distortion)a. Clear camera connector. As the Pic.23;

b. Replace a new camera;

c. Replace a new camera connector;

d. If can’t repair yet ,please refer to level 3 repair manual.

Trouble shooting for Repair and TestTrouble shooting for Repair and Test

Picture 23

Camera

Connection

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Trouble shooting for Repair and TestTrouble shooting for Repair and Test

Picture 24

6. Keypad Failed (No respond 、 No function)a. Check keypad DOME for each key whether is abnormal or clean;b. Check the components which control the keypad. As the Pic.24 ( which marked red );c. Replace a new keypad;c. If can’t repair yet. Please refer to “level 3 repair manual”.

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Q&A