1. 1 DS156 Service Manual FLY DS156 Service Manual LONGCHEER CONFIDENTIAL

2. 2 Agenda Product Instruction …………p3-p4 Disassembly Guide …………p5-p17 Layout Graph …………………p18-p20 Troubleshooting …………….p21-p27

3. 3 Product Instruction

4. 4 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

5. 5 Disassembly Guide

6. 6 1. Tools Preparation Nipper / Cross screwdriver / Soldering iron /Filmy plastic card/Multimeter Nipper iron Filmy plastic card Cross screwdriver

7. 7 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. 8 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

9. 9 Rear Housing Picture 5 Picture 6 3. Rear Housing Disassembly Speaker Camera SIM Card Base T-Flash Card Base Antenna

10. 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 Picture 7 Picture 8 Keypad LCD Keypad DOME Receiver MIC

11. 11 Disassembly Instruction: First turn over the Speaker from mainboard. Carefully all clips around the mainboard. As the Pic.9; 5. Speaker Disassembly Picture 9

12. 12 Disassembly Instruction: Turn over the speaker and soldering the wire of speaker. As the Pic.10&11; 5. Speaker Disassembly Picture 10 Picture 11

13. 13 Disassembly Instruction: Taking the camera away from camera connector. As the Pic.12; 6. Camera Disassembly Picture 12

14. 14 Disassembly Instruction: Turn over the LCD from mainboard, as the Pic.13; 7. LCM Assembly Disassembly Picture 13

15. 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 Connection Soldering iron 7. LCM Assembly Disassembly Picture 14

16. 16 Disassembly Instruction: Taking up the Microphone by soldering iron as the Pic.15. 8. MIC disassembly Picture 15 MIC Connector MIC

17. 17 9. 9. Exploded View Parts Front View Back View

18. 18 Layout Graph

19. 19 Layout graph

20. 20 Transceiver RF Switch And PA Flash CPU FM Chip Layout graph

21. 21 Troubleshooting L1&L2

22. 22 Trouble shooting for Repair and Test 1. Display Abnormal (display back/white 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 cant repair yet, please refer to level 3 repair manual. Control Signal Data Signal LED Signal Reset Signal Picture 18

23. 23 No ring tone and Receiver no tone 2. No ring tone and Receiver no tone 1)No ring tone a. 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 cant repair yet, please refer to level 3 repair manual. 2) Receiver no tone a. Check whether the touch is ok between receiver connections 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 cant repair yet, please refer to level 3 repair manual. Receiver Circuit Speaker Connector Trouble shooting for Repair and Test Picture 19Picture 20

24. 24 3. No receiver a. Check MIC SMT issue and re-soldering; b. Replace a new MIC and double test, as the Pic.21; c. If cant repair yet, please refer to level 3 repair manual. MIC Circuit Trouble shooting for Repair and Test Picture 21 MIC

25. 25 4. No Signal or Weak a. Check whether the touch is ok with shrapnel of antenna and main board, if cant please re-fix; b. Measure the signal receiver circuit between SA100 and W101 by multimeter as the Pic.22; c. If cant repair yet, please refer to level 3 repair manual. Trouble shooting for Repair and Test Picture 22

26. 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 Test Picture 23 Camera Connection

27. 27 Trouble 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 cant repair yet. Please refer to level 3 repair manual.

28. 28 Q&A