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1
FLY DS156 DS156 Service ManualService Manual
LONGCHEER CONFIDENTIAL
2
Agenda
Product Instruction …………p3-p4
Disassembly Guide …………p5-p17
Layout Graph …………………p18-p20
Troubleshooting …………….p21-p27
3
Product InstructionProduct Instruction
4
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
6
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
7
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
8
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
10
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
11
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
12
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
13
Disassembly Instruction: Taking the camera away from camera connector. As the Pic.12;
6. Camera Disassembly 6. Camera Disassembly
Picture 12
14
Disassembly Instruction: Turn over the LCD from mainboard, as the Pic.13;
7. LCM Assembly Disassembly 7. LCM Assembly Disassembly
Picture 13
15
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
16
Disassembly Instruction:
Taking up the Microphone by soldering iron as the Pic.15.
8. MIC disassembly 8. MIC disassembly
Picture 15
MIC
Connector
MIC
17
99. . Exploded View Parts
Front View Back View
18
Layout Graph
19
Layout graph
20
Transceiver
RF Switch
And PA
Flash
CPU
FM Chip
Layout graph
21
Troubleshooting
L1&L2
22
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
26
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
27
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