MCX_AW536A_B01 L1&L2 Service Manual

MCX_AW536A_B01L1&L2 Service Manual

Agenda • Product ………………………p3-p4 • Disassembly guide ……… p5-p21 • L1&L2 Repairing guide……p22-p33

Product Instruction

Product Product name：MCX_AW536A_B01 platform： MSM 7225AA (1GHz) Battery： 1400mA Charger: travel type 、Cable: Micro USB 5pin、Earphone type: 3.5mm Memory： 4Gb Nand + 2Gb DDR （Memory card support max 32GB） LCD： 3.5’HVGA 480*320 262K TFT CAM： 2.0M （Type : CMOS) GSM/WCDMA： GSM900DCS1800 UMTS 2100MHZ（GSM&WCDMA） System： Android 2.3 Support： T-Flash、MP3、3GP、FM、USB2.0 Support： GPS、BT2.1\WIFI Support： SIM 1 & SIM 2 Support: Capacitive touch screen

Tweezer /Cross screw driver/ Solder/Tommy bar/hot gun 1. Tools list Tommy bar Tweezer Cross Screw driver Solder iron Hot gun

2. Battery cover disassembly Open the battery cover as picture 1; Battery cover Picture1

3. Rear cover disassembly Remove the 8 screw as picture 2； Picture 2

3. Rear cover disassembly Separate rear cover from front cover with tommy bar as picture 3&4. Picture 3

3. Rear cover disassembly Rear cover Speaker SIM con. LCD con. Earphone-con. vibrator I/O con. 2M camera T card con. Main FPC RF cable TP con. Picture 4

4.MB & Front cover disassembly 1）Disconnect 1 screw , side key,and LCD con.,from MB as below picture 2)Disconnect TP con.,power key, and RF cable,as below pic. screw LCD con. Side key FPC TP con. Power key RF cable

4.MB&Front cover disassembly 3）Disconnect main FPC connector from MB as below picture. Main FPC con.

4.MB&Front cover disassembly 3）take off the main board MB

5. 2M camera and light-sensordisassembly Take off the 2M camera and light-sensor form MB ,as below picture； 2M camera Light-sensor

6. Side key and power key disassembly Take off the side key and power key with soldering iron , as below picture； Side key power key

7. Key board and LCD housing disassembly Disassembly the screws and then take off the keyboard,as below picture； MIC Key board RF cable Main FPC

Main FPC RF cable

7. LCD housing disassembly Disassembly the LCD housing ,as below picture； LCD housing

8.LCD ,TP and front cover disassembly receiver Front cover and TP LCD

9.TP disassembly Use hot air gun to heat the TP on front cover(100~150℃) about 2 minute, then take off the TP from front cover. Heat area

L1&L2 Repairing guide

L1&L2 Repairing guide 1. LCDdisplay problem a. Upgrade SW; b. Check LCD and FPC of LCD； c. Check LCD connector on main board； LCD con.

2.2M CAM problem a. Check if the CAM connect well； b. Replace a new CAM to check if the former CAM is OK; c. Check the CAM connector as below picture； d. Check the components around CAM connector; 2M CAM connector

4. TP failure a. Check if the TP FPC connect to main board well； b. Replace a new TP to Check if it is OK; c. Check the TP connector ； TP connector

5.No ringtone a. Check the two pin on speaker if it can connect to mainbaord； b. Check the resistance of speaker； c. Check the keyboard, FPC and connector if it is ok; d. Check the components around speaker.

6.Receiver no function a. Check the two pin of receiver； b. Check the resistance of receiver； c. Check the components around receiver.

7.Microphone no function a. Check if MIC soldering well； b. Replace new MIC to do cross check； c. Check the keyboard,FPC and connector ； d. Check the components around MIC.

8.No vibration or earphone no function a. Check the soldering of Vibrator and earphone jag； b. Replace a new vibrator or jag to cross check ； c. Check the components around earphone jag or vibrator. vibrator

9. Can not power on a. Check the voltage of battery (3.8~4.2V). And if battery connect to connector well; b. Upgrade SW； c. Check the power key and around components； Power key FPC weld pad

10.Can not detect SIM card or TF card a. Check the SIM con.and T card con. ; b. Replace a new SIM con. Or T card con. to do cross check； T card con. SIM con.

EDN Q&A

MCX_AW536A_B01 L1&L2 Service Manual