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Mobile Phone STORM (Smartphone) 

Service Manual

 

 

 

Page 

1

 of 38

 

 

  

 

 

 

 

 

 

SERVICE MANUAL 

 

 

 

For WILEY FOX STORM Only 

 

 

MOBILE TERMINAL 

(V1.0) 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 

 

 

COMPANY CONFIDENTIAL 

All Rights Reserved 

 
 

Summary of Contents for STORM

Page 1: ...Mobile Phone STORM Smartphone Service Manual Page 1 of 38 SERVICE MANUAL For WILEY FOX STORM Only MOBILE TERMINAL V1 0 COMPANY CONFIDENTIAL All Rights Reserved ...

Page 2: ...4 2 Battery connector interface 11 3 4 3 Microphone Interface 11 3 4 4 Receiver Interface 12 3 4 5 LCD Connector Interface 12 3 4 6 Camera Interface Circuit 13 3 4 7 SIM Card Connector Interface 13 3 4 8 TF card Interface 14 3 4 9 Sensor Interface 14 CHAPTER 4 MOBILE FAILURE ANALYSIS 16 4 1 POWER ON ISSUE ANALYSIS 17 4 2 CHARGING ISSUE ANALYSIS 18 4 3 DISPLAY ISSUE ANALYSIS 19 4 4 NO INCOMING OUTG...

Page 3: ...ALYSIS 27 4 12 GPS ISSUE ANALYSIS 28 4 13 CANNOT DOWNLOAD SOFTWARE 28 4 14 SIGNAL ISSUE ANALYSIS 29 CHAPTER 5 SOFTWARE UPGRADE GUIDANCE 30 5 1 PREPARATIONS BEFORE UPGRADE 30 5 2USB CABLE DRIVER INSTALL 31 5 3 SOFTWARE UPGRADE PROCEDURE 34 5 4 SW DOWNLOAD TROUBLESHOOTING 38 CHAPTER 6 PRODUCT EXPLODE VIEW 38 ...

Page 4: ...ows as below Phone Type Full Touch OS System Android 5 0 Antenna Type PIFA Dimension Length Width Thickness 155 6mm 77 3mm 9 2 mm Platform MSM 8939 Band GSM GPRS 850 900 1800 1900 MHz WCDMA UMTS BAND1 2100 BAND8 900 FDD LTE 800 900 1800 2600 MHZ SIM Card Dual SIM Dual online One talk eMMC 32G Byte 24G bit RAM N A Nand Flash N A Expansion Memory Single T FLASH CARD Don t support hot plug ...

Page 5: ...Camera Pixel 8 0Mega Fixed Focus Bluetooth Bluetooth 4 0 USB USB 2 0 Wi Fi YES Support Access Point PC Sync N A IrDA N A Input Method Google input SMS Yes MMS Yes STK Yes Polyphonic Melody 64 Tone Wavetable Stereo Yes Melody Format MP3 MIDI WAV AMR AAC AAC Video Format MP4 3GP Recorder Yes FM Radio Only support FM RX TV N A TV OUT N A I O Connector 5PIN Micro USB Independent Earphone Jack Φ3 5mm S...

Page 6: ...Mobile Phone STORM Smartphone Service Manual Page 6 of 38 Chapter 2 PCBA Overview 2 1STORM TOP SIDE Layout ...

Page 7: ...Mobile Phone STORM Smartphone Service Manual Page 7 of 38 2 2STORM BACK SIDE Layout ...

Page 8: ...Mobile Phone STORM Smartphone Service Manual Page 8 of 38 Chapter 3 Explanation of Schematic 3 1 Base Band Chip MSM8939 Features ...

Page 9: ...anoscale package NSP that includes several ground pins for improved electrical ground mechanical stability and thermal continuity Since the PM8916 device includes so many diverse functions its operation can be under stood better by studying the major functional blocks individually Therefore the PM8916 document setis organized by the device functionality as follows Input power management Output pow...

Page 10: ... techniques by adding a second RFIC WTR4905 baseddesigns Add WTR2100 to support DSDA and or SG LTE Add WTR2605 to support SV LTE WTR3925 based designs supporting MSM8994 MSM8996 MDM9x35M MDM9x45 and Fusion 4 5 Add WTR4605 to support DSDA SG LTE and or SV LTE It integrates RF receive and transmit features into a 3 22 3 22 0 57 mm package to simplify handset design minimize parts count and reduce DC...

Page 11: ...martphone Service Manual Page 11 of 38 3 4 2 Battery connector interface Figure 3 4 2STORM Battery connector 3 4 3 Microphone Interface Figure 3 4 3 1STORMMain Mic1 Circuit On Sub board Figure 3 4 3 2STORMANC Mic2 Circuit ...

Page 12: ... Smartphone Service Manual Page 12 of 38 3 4 4 Receiver Interface Figure 3 4 4 STORM Receiver Circuit 3 4 5 LCD Connector Interface Figure 3 4 5 1 STORM LCD Connector Interface Figure 3 4 5 2 STORM LCD Backlight Circuit ...

Page 13: ...artphone Service Manual Page 13 of 38 3 4 6 Camera Interface Circuit Figure 3 4 6 1 STORM Main Camera circuit Figure 3 4 6 2 STORM Front Camera circuit 3 4 7 SIM Card Connector Interface Figure 3 4 7 1 STORM SIM1 Connector ...

Page 14: ...martphone Service Manual Page 14 of 38 Figure 3 4 7 2 STORM SIM2 Connector 3 4 8 TF card Interface Figure 3 4 8 STORM TF Card Interface 3 4 9 Sensor Interface Figure 3 4 9 1 STORM Ambient light and Proximity Sensor Circuit ...

Page 15: ...Mobile Phone STORM Smartphone Service Manual Page 15 of 38 Figure 3 4 9 2 STORM Magnetic Sensor Figure 3 4 9 3 STORM Gyro and G sensor connector ...

Page 16: ...al No signal intermittent Other Function problem No ringing tone No vibration Vibrator abnormity Cannot read SIM T F card Phone password locked Cannot upgrade software Show high temperature FM Radio fault Bluetooth issue Wi Fi issue etc In the mobile circuit system all the electrical connecting trace can be divided into three types such as power supply trace controlling trace and data signal trace...

Page 17: ... is normal or not if the battery is broken or lower voltage replace it Check battery connector J100 is normal or not if the connector is broken missing disconnect re solder or replace it Check the power on switcher is normal or not if it is abnormal replace it completed all above steps you still cannot solve this issue please follow the next steps 2 No power on Current If the mobile phone can t po...

Page 18: ...pset are Baseband IC U600 Memory IC RF IC RF PA GSM WCDMA ESD protection Diode etc We can attempt to touch these chipset and feel the temperature is normal or not If one of the chipset s temperatures is abnormal replace it 4 2 Charging issue analysis Cannot Charge Upgrade FW Is the connection of USB Sub board OK Reassemble or replace connector Is VBAT_SNS of U300 VPH_PWR of U101 OK Resolder or Rep...

Page 19: ...play Issue Is the connection of LCD and Sub board OK Is LCD OK Is there backlight Is PMW_OUT normal Is VPH_PWR VLED_P of U900 normal IS VCC LCD_VDDIO of J900 are all normal Replace CPU Replace PMU Replace LCD Module Reassemble connectors Replace U900 N Y Y Y Y N N Y N Y N N 1 Figure 4 3 Display failure repair process Upgrade new software for the mobile phone STORM s LCD is connected to mainboard w...

Page 20: ...Is Receiver OK Check R804 and R807 especially Replace PMU Replace REC Y Y N N Is the connection of receiver OK Reassemble REC Figure 4 4 1 No received voice failure repair process Microphone Issue Upgrade Firmware Measure Mic_IN1_P by Oscilloscope is OK or not Check R806 R805 and etc Otherwise replace microphone Replace PMU N Y Figure 4 4 2 No outgoing voice failure repair process ...

Page 21: ...e time Select Audio Handset and blow at main microphone the echo at the receiver indicate the microphone is OK If test fail please check the microphone bias circuit test bias voltage and output signal 4 5Headset issue analysis Firmware Upgrade Headset Issue Is headset normal Replace headset Is peripheral circuit of J800 normal Is headset jack normal Replace the defect one Resolder or Replace J800 ...

Page 22: ...ace SPK Y N N Y Is the connection of SPK and Sub PCBA connector OK Reassemble SPK sub board Y N Figure 4 6No voice in speaker failure repair process Check whether the audio source can output from baseband chip with a headset Then check speaker resistance to confirm whether the resistance of Speaker is 8ohm If not it means the speaker is broken Otherwise we need to check the Audio PA circuit to fin...

Page 23: ...nnection of TP and J901 OK Re connect connectors Replace TP Check PMU and exterior component N N N Y Y Y Figure 4 7 TP failure repair process Upgrade new software for the mobile phone Check FPC and TP connector J901 If problem still not solved you need to replace a new TP or CPU U600 After repaired enter into Factory Mode by press Power on key volume key the same time Go to Touch Test TP function ...

Page 24: ...e replace connector Replace camera N N Y Y Figure 4 8 Camera failure repair process Upgrade new software for the mobile phone Replace camera module and test it again If problem still not solved you need to follow the product circuit diagram to check the corresponding components and CPU U600 After repaired enter into Factory Mode by keep press Power on key volume key the same time Choose Camera Bac...

Page 25: ...grade firmware Figure 4 9 Vibrator failure repair process Upgrade new software for the mobile phone Check Vibrator Replace Vibrator and test it again If problem still not solved you need to follow the product circuit diagram to corresponding components After repaired enter into Factory Mode by press Power on key volume key the same time Select Vibrator and then you can test the function ...

Page 26: ...rcuit normal Replace U1504 N Y Figure 4 10 BT failure repair process Upgrade new software for the mobile phone Check BT Wi Fi Co ANT Clean or Replace the ANT and test it again If problem still not solved you need to follow the product circuit diagram to check the PA Filter and U1504 After repaired enter into Factory Mode by press Power on key volume key the same time select Bluetooth and then you ...

Page 27: ...ss Upgrade new software for the mobile phone Check Headset already insert to Mobile phone or not Enter into Factory Mode by keep press Power on key volume key the same time Then go to FM Click Search Next to change the radio channel If the FM function is OK you will hear the FM channel voice If the FM cannot work well you can check FM power supply path FM clock signal path is working normally or n...

Page 28: ...1104 and corresponding components After repaired enter into Factory Mode by press Power on key volume key the same time select GPS and test the function 4 13 Cannot download software There are many reasons would cause download failure First of all you must make sure that the download procedure is correct You can follow the instruction in the chapter below There are many kinds of phenomenon when th...

Page 29: ...ure repair process RF failure often occurs in calibration or capability test the best diagnostic method is to use wireless universal tester spectrum analyzer and signal source matched with META tool to test it Corresponding components including Antenna switch Saw filters matching circuit etc We need to check whether one of them is bad soldering or damaged If power received is too low maybe the RF ...

Page 30: ...r STORM It gives the power to Mobile phone Smart phone Flash Tool QFil QC USB_Driver USB Driver for Smart phone USB Data Cable USB Driver Installer must be installed Personal Computer PC Recommended PC HW requirements Computer processor Pentium 700 MHz or higher RAM 256 MB or higher Disk space 100 200 MB or higher Supported operating systems Windows 2000 Service Pack 3 or higher Windows XP Service...

Page 31: ...Driver Install QC USB Port Driver Install Step 1 Find the file of QCUSB_Driver package path and then run the QCUSB_Driver Attention Do not connect the cable with PC when you install the USB Driver Figure 5 2 1 QCUSB_Driver Package Figure 5 2 2 USB driver installing progress ...

Page 32: ... Figure 5 2 3 USB Data Cable Connect Structure Step 3 Power off the Smart phone Press power volume the same time for 3s the device will vibrated a short time and then connect USB Data cable with Smart phone PC screen will pop up some message you need to waiting for few minutes The figure shows as below After new driver installed successfully disconnect the Smart phone with USB Data cable ...

Page 33: ...one STORM Smartphone Service Manual Page 33 of 38 Figure 5 2 4 USB Data Cable Connect Structure The COM port will appear shortly in device manager as below picture Figure 5 2 5 Virtual COM port in device manager ...

Page 34: ...USB cable during downloading process Otherwise the handset s memory will be broken by the unfinished upgrade process and cause the handset cannot be powered on Step 1 double click the executable file QDownload to run the flash tool The flash tool interface is as below Figure 5 3 1 Smart Phone Flash Tool Download window ...

Page 35: ...p 2 click the icon Browser to choose the file prog_emmc_firehose_8936 mbn which is located in firmware folder showing as Figure 5 3 2 Figure 5 3 2 Choose mbn file Step 3 click Load XML to choose the build files as Figure 5 3 3 Figure 5 3 3 Choose build file 3 2 1 ...

Page 36: ...h0 file Step 4 Power off phone hold the volume up and down key and power key at the same time there will vibrate lightly one time phone entered the EDL mode connect phone to PC with USB cable select the com port and then click Download Figure 5 3 5 Connect to PC and Start Download 6 8 9 7 ...

Page 37: ... Step 5 The upgrade procedure will start automatically as below picture Figure 5 3 6 Firmware upgraded progress Step 5 Once the progress finished there will be information shows in the status box as shown as figure 5 3 7 Figure 5 3 7 Firmware upgraded success ...

Page 38: ...d failed there will show failure reason Case two What should we do when the downloading process is completely Solution You should check if the IMEI is existed Otherwise you should re write the IMEI The code to check the IMEI 06 Chapter 6 Product Explode View 1 LCD MODULE 6 MAIN CAM 11 MAIN FPC FLEX 2 FRONT COVER 7 MAIN PCBA 12 BATTERY 3 CABLE LINE 8 SPEAKER 13 SIM TRAY 4 EARPICECE 9 SPEAKER PCBA 1...

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