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Motorola Droid Turbo 2, Troubleshooting Manual

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Motorola Droid Turbo 2 Troubleshooting Manual Download Page 54

  

Moto X Force/DROID Turbo 2 

BASEBAND TROUBLESHOOTING GUIDES 

MOTOROLA CONFIDENTIAL 

Check USB 

Enumeration 

Blankflash 

Mode 

Yes 

Device Enumerates 

in... 

Pull Android 

Logs 

Reflash 

Bootloader 

Fastboot 

Mode 

Yes 

No 

Android 

Device 

Enumerates

? 

No 

Check PMIC 

(U2000) 

Check JTAG 

Connector for Shorts 

Reflash Android 

Check/Replace 

eMMC 

Check/Replace 

eMMC 

Capture UART 

Logs during 

bootup 

Check USB 

Connector 

(J500) 

No 

Yes 

Yes 

Yes 

Yes 

Check USB Enumeration 

Summary of Contents for Droid Turbo 2

Page 1: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDE V1 0 ...

Page 2: ...NTENTS 1 Snapshots of Antennas 3 2 Snapshots plots of Main Board 5 3 Touch Troubleshooting 9 4 Display Troubleshooting 17 5 Audio Troubleshooting 24 6 No Power up Troubleshooting 40 7 Battery Charger Troubleshooting 57 8 Sensors and SIM 68 9 Processor and Memory 80 10 Camera Troubleshooting 85 ...

Page 3: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL SNAPSHOTS OF ANTENNAS ...

Page 4: ...ING GUIDES MOTOROLA CONFIDENTIAL Antenna Locations This product has an external metal antenna band All antennas are made using the metal band There is an extra stamped metal piece on the rear housing for extra diversity bandwidth and isolation to GPS ...

Page 5: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL SNAPSHOTS OF MAIN BOARD ...

Page 6: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL PCB ...

Page 7: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Main Board Top Placement ...

Page 8: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Main Board Bottom Placement ...

Page 9: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL TOUCH TROUBLESHOOTING ...

Page 10: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Display ZIF Touch ZIF Main Board Location of LCD Touch ZIF Connector ...

Page 11: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Touch System Block Diagram ...

Page 12: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL 3 2V 1 8V Touch Connector ...

Page 13: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Touch IC Schematic ...

Page 14: ...or IC Go to 2 If still not working problem with main board Go to 3 2 Display module issue Check Touch flex for any damage Ensure DC power is at ZIF pin 9 for 3 2VDC and pins 11 12 for 1 8VDC Verify Reset signal is high on Touch ZIF pin 4 IRQ is high on ZIF pin 7 I2C Data and I2C Clock at 1 8VDC When touching panel and moving finger INT should toggle low I2C data and clk will toggle Touch Troublesh...

Page 15: ...r for proper insertion of flex Ensure DC power is at ZIF pin 9 for 3 2VDC and pins 11 12 for 1 8VDC Verify Reset signal is high on Touch ZIF pin 4 IRQ is high on ZIF pin 7 I2C Data and I2C Clock at 1 8VDC When touching panel and moving finger INT should toggle low I2C data and clk will toggle Touch Troubleshooting cont d ...

Page 16: ...IDENTIAL 4 TRX GND test failures Transmitter Receiver to short to ground check Verify kapton tape is correctly placed Kapton is used to isolate EMI coating black layer to any metal including copper tape and front housing EMI Coating Kapton tape Touch Troubleshooting cont d ...

Page 17: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL DISPLAY TROUBLESHOOTING ...

Page 18: ...l Arrangement Pixel Number 1440xRGBx2560 Pixel configuration RGB 16 77 M Colors 24 bits per Pixel Pixel Pitch 47um PPI 540 Active Area 67 68mm H x 120 32mm V Response Time 1ms Max Brightness 350 Contrast Ratio min 10000 1 Uniformity 400P typ 1 05 max 1 47 Display Driver IC S6E3HF2 Samsung DDI 1 2 Frame RAM Display AVDD AVEE Driver STOD32BTPQR Display ...

Page 19: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Display ZIF Pin 1 Touch ZIF Main Board Location of Display Touch ZIF Connector ...

Page 20: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL 2 5 V 4 6V 3 1V 7 3V 1 8V Display Main Schematic ...

Page 21: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Pin17 of J5300 DISP_VIO_FL Pin10 of J5300 DISP_VCI_FL Pin54 of J5300 DISP_RST_N Display Power up Sequence ...

Page 22: ...S MOTOROLA CONFIDENTIAL TPS65633_VIN C5354 ELON1 AVDD cntrl Pin50 of J5300 ELON2 cntrl for ELVDD ELVSS AVDD at DC DC U5350 Pin49 of J5300 DISP_AVDD Pin11 of J5300 DISP_ELVDD Pin6 9 of J5300 DISP_ELVSS Pin3 5 of J5300 External DC DC Converter Power Up Sequence ...

Page 23: ...s main PCB or display flex If the issue follows main PCB a Check DISP_VIO_F voltage 1 8V typ 1 65 1 95VDC at Pin17 of J5300 b Check DISP_VCI_F voltage 3 1V typ 2 9 3 3VDC Pin10 of J5300 c Check voltages from DCDC converter U5350 at J5300 conn DISP_ELVDD 4 563 4 637VDC Pins6 9 DISP_ELVSS 2 45V to 2 55VDC Pins3 5 DISP_AVDD 7 2 7 37VDC Pin11 d Check DISP_RST_N should be High 1 8V Pin54 at J5300 conn ...

Page 24: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL AUDIO TROUBLESHOOTING ...

Page 25: ...OTOROLA CONFIDENTIAL 3 5mm Headset Jack Loudspeaker Port Front View Earpiece Port Top View Mic 1 Primary Mic 4 Quaternary Port Mic 2 Secondary Port Mic 3 Tertiary Microphone Port Back View Mic 5 ANC Port Deco removed to expose actual port locations Audio Devices ...

Page 26: ...t shown Loudspeaker Module Pre Sealed 8 Ohms Earpiece speaker 32 ohms Secondary Mic Audio Flex Rear Housing Endo Assembly Earpiece contact pads Audio Flex Loudspeaker PCB Spring Contacts Headset Jack Pads Top Flex Loudspeaker Module Contact Pads Headset Jack Rear Housing Audio Devices Rear Endo Assy View ...

Page 27: ...2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Primary mic grommet not shown Display TOP Side Rear Hsg BOTTOM Side Mic 4 grommet not shown Mic 5 grommet not shown Mic 3 Tertiary grommet not shown Audio Devices PCB View ...

Page 28: ...e phone dialer and enter 2486 The CQA main menu will pop up select Start CQA Test in Menu Mode Select the appropriate debug area for Audio primarily you will use AUDIO and HEADSET The AUDIO CQA area has test capability for microphones earpiece and loudspeaker The HEADSET CQA area should be used to debug any detection or lack of audio on the headset jack path CQA Application ...

Page 29: ...the other microphone paths while a headset is inserted will loopback the audio to the headset speakers output device If no mic to earpiece loopback paths are not functional the earpiece speaker path is likely damaged In the AUDIO menu of the CQA apk select Ear Speaker and the Buzz Sweep should begin playing Toggle and select Play Harvard speech pattern to hear human speech to be sure the transduce...

Page 30: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Microphone schematics are presented based on proximity on the PCB and or location on a particular flex Microphones ...

Page 31: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Microphone schematics are presented based on proximity on the PCB and or location on a particular flex Microphones cont d ...

Page 32: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Microphone schematics are presented based on proximity on the PCB and or location on a particular flex Microphones cont d ...

Page 33: ...OLA CONFIDENTIAL MIC 2 CKT ABOVE IS LOCATED ON THE AUDIO FLEX See Rear Endo View Part of Mic 2 CKT located on Main PCB near J4600 Audio Flex B2B Microphone schematics are presented based on proximity on the PCB and or location on a particular flex Microphones cont d ...

Page 34: ...mic lines are shorted or damaged Check the mic bias C4500 Mic1 C4510 Mic2 C4520 Mic3 C4530 Mic4 C4540 Mic5 The mic bias should be 1 8VDC when the microphone is enabled If the failure is no microphone audio check mic loopback through CQA at the board level with a display connected Mic loopback may be easier to check with a headset plugged in in which case the rear hsg assy may be req d If there is ...

Page 35: ... also be able to see slight imprints in the gold pads where the speaker spring contacts were touching the flex these imprints should be centered if they are on the edge of the pad there may be an alignment issue Check that the J4600 B2B flex connector on the PCB is seated properly with no damage to any pins on the PCB side or Flex side Check C4691 C4692 VR4690 and VR4691 for any placement issues L...

Page 36: ...dule is 8 ohms Lack of mechanical contact should also be checked between the PCB spring contacts and the loudspeaker module check for bent broken missing pins on PCB spring contacts Make sure L4680 and L4681 are not skewed or damaged Check C4680 C4681 C4682 C4683 C4684 VR4680 and VR4681 for any placement issues Loudspeaker ...

Page 37: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL This section of headset circuit on MAIN PCB at near J800 3 5mm Headset Path ...

Page 38: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL This section of headset circuit on TOP FLEX 3 5mm Headset Path cont d ...

Page 39: ...ode Shunt caps C4900 C4901 C4902 C4903 and C4904 must not be shorted across Check that there are slight indentations on the headset pads preferably centered If any indentations fall close to the gold pad edge there may be an alignment issue On the MAIN PCB U4800 must have voltage on the VDD line and can be probed on C4813 or C4819 This should measure 1 8V nominally Check that the J800 B2B connecto...

Page 40: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL NO POWER UP DEBUGGING ...

Page 41: ...TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Purpose of this document is to cover the debugging steps used to root cause PCB that do not power up properly so that they may be used again to initiate corrective actions No Power Up Debugging ...

Page 42: ...U1000 Power Management IC PMIC PM8994 PMI8994 U2000 U2500 SMB Charging IC SMB1351 U540 Kung Kow Factory Kill IC User Reset IC U650 B_PLUS VSYS System Battery Voltage VBUS USB Voltage Charger Voltage Terms on the same row are synonyms and will be used interchangeably in this section Glossary Synonyms ...

Page 43: ... mode Normally will enter this mode after flashing bootloader into newly built PCB Can be forced using volume down key during bootup 3 Full Power up Will enumerate to PC as Motorola Network device and ready for board test Failed boards will be able to achieve one of these modes but fail to get to the next This bit of information is useful for debugging Start with the phone off then plug in the USB...

Page 44: ...ESHOOTING GUIDES MOTOROLA CONFIDENTIAL Connect USB Start I 100mA I 1mA I 1000mA Check Input Power Path Check USB Enumeration and or DDR Failure High Current Failure Check PMIC Yes No Yes No Yes No Check MSM Measure Current NTO Debug Flow Chart ...

Page 45: ...AND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Check Input Power Path VBUS 5V Yes No Measure Input Voltages B_PLUS 3 5V Inspect Replace USB Connector Inspect Replace PMI U2500 SMB U540 No Check PMIC U2000 Yes Check Input Power Path ...

Page 46: ...bo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL J510 Battery Connector BATT_PLUS J500 USB Connector VBUS U2500 PMI8994 Charger B_PLUS U2000 PMIC PM8994 2 7V 4 4V 2 7V 4 4V 5V To System Simplified Input Power Tree ...

Page 47: ...ators Turn On Yes Check Power Up Sequence Check USB Enumeration PS_HOLD 1 8V Yes Replace MSM U1000 No No Use XRay to find Shorts near PM8994 U2000 PMI8994 U2500 Use Ohmmeter to look for short circuits on all power rails Use Power Sequence Slides as a reference Replace MSM U1000 Replace PMIC Check PMIC ...

Page 48: ... X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Check Power Up Sequence Remote PMIC Can Check Primary Power On Sequence Check Secondary Power On Sequence Check Power Up Sequence ...

Page 49: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Power On Sequence ...

Page 50: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Check MSM Check PoP Alignment X Ray and Look for Solder Shorts Replace MSM Replace RAM Check MSM ...

Page 51: ...HOOTING GUIDES MOTOROLA CONFIDENTIAL High Current Failure Use Thermal Camera or feel with hand to find Hot Shield Use X Ray to find Shorts on B_PLUS BBYP or BATT_CONN Inspect components under hot shield and replace components High Current Failure ...

Page 52: ...ting to each other Follow the list at right Replace parts in order Recheck test after removing each shield and after removing each component Circuit Typ uA Ref PM8994 18 1 PMI8994 52 2 SMB 7 3 LPDDR Buck 12 4 5V Boost 5 5 Loud Speaker 1 6 OLED Driver 5 7 LED Cam Flash 1 8 Tuner 1 9 WiFi Buck Boost 5 10 RF Boost Bypass 26 11 Kung Kow 3 12 Audio Buck 1 13 TOTAL 137 High Kill or Off Current ...

Page 53: ...g to each other Follow the list at right Replace parts in order Recheck test after removing each shield and after removing each component Circuit Typ uA Ref PM8994 18 1 PMI8994 52 2 SMB 7 3 LPDDR Buck 12 4 5V Boost 5 5 Loud Speaker 1 6 OLED Driver 5 7 LED Cam Flash 1 8 Tuner 1 9 WiFi Buck Boost 5 10 RF Boost Bypass 26 11 Kung Kow 3 12 Audio Buck 1 13 TOTAL 137 High Kill or Off Current cont d ...

Page 54: ...ode Yes Device Enumerates in Pull Android Logs Reflash Bootloader Fastboot Mode Yes No Android Device Enumerates No Check PMIC U2000 Check JTAG Connector for Shorts Reflash Android Check Replace eMMC Check Replace eMMC Capture UART Logs during bootup Check USB Connector J500 No Yes Yes Yes Yes Check USB Enumeration ...

Page 55: ...oftware already flashed or there was some problem with software a board can be forced into this mode by shorting two highlighted pins on the debug connector Then when board is in this mode blank flashing can be attempted to reflash the device and or find more information on the failure Force Blankflash Mode ...

Page 56: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL If in blankflash Mode the device will enumerate like this Blankflash Mode ...

Page 57: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL BATTERY AND CHARGER TROUBLESHOOTING ...

Page 58: ...f device powers up with factory cable replace the battery and if the issue is resolved send the battery to development team Thermistor reading out of spec Thermistor usually reads between 20 to 30C depending on ambient temperature and if device has been in use or charging This can be read with adb commands or under Battery Info in CQA mode Notify the mechanical engineer in charge of the battery an...

Page 59: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL BATT BATT BATTERY CONNECTOR Battery Connector Location and Test Points ...

Page 60: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL BATTERY THERMISTOR DISPLAY CONNECTOR Thermistor Location and Test Point ...

Page 61: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL GND ID D D VBUS USB Connector Pinout ...

Page 62: ...e and cell plus sense voltage levels are according to the expected charge current level There could be an issue with the USB connector or its connections to the board and the charge IC Measure VBUS 5V or 9V for turbocharger D D and ID 2V Measure this at the charger cable if possible or preferred at first then on the PCB and as needed next to the charge IC See table below for expected turbocharger ...

Page 63: ...d the charger supply current capacity in the use case where battery is not able to charge If the device power cycles when the battery is low and USB charger is connected monitor the current drain in or out of the battery as well as the battery voltage with a scope across the sense resistor There is also the rare possibility of charge IC itself damaged or have damaged or intermittent BGAs where a r...

Page 64: ...ttery temperature reads cold 20C the NFC flex is disconnected If the battery temperature reads hot 60C the thermistor lines are shorted If the NFC flex is disconnected no USB nor wireless charging will occur If the NFC flex is connected but wireless charging is not occurring inspect the flex tail A tear on the inner side of the flex tail where it makes a 90 degree turn would sever the wireless cha...

Page 65: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Battery Components ...

Page 66: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL USB Components ...

Page 67: ...try plugging in a charger If battery level is below 3V SOC LED will blink The blinking will stop when battery is above 3V at which time soon after phone will power into Charge Only Mode and vibrate before displaying a battery logo If charge level is 1 or higher leave on charger until 100 If battery level is too low but 1 or higher Plug in charge and leave until 100 full Debug Procedure Battery Lev...

Page 68: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL SENSORS AND SIM TROUBLESHOOTING ...

Page 69: ...ESHOOTING GUIDES MOTOROLA CONFIDENTIAL Accelerometer Gesture LED 2 Magnetometer Prox ALS Hall Effect Sensor Sensor Hub Gesture Sensor Gesture LED 3 Flex Connector Top Flex Connector Gesture LED 1 Gesture LED 3 Top Flex Gesture LED Flex Sensors ...

Page 70: ...ENTIAL Firmware download failing no communication with hub Check U6000 supply at C6000 Should be 1 8V Check U6000 orientation If everything else looks good try replacing U6000 If sensor hub is continuously rebooting Check accelerometer covered later Sensor Hub Troubleshooting ...

Page 71: ... in housing is not obscuring the top of the part Verify voltage at C6122 is between 3 3 to 4 35 V Try replacing replacing the part If no reading at all Verify part orientation Verify voltage at C6121 is 2 85V Verify voltage at R6000 and R6001 is 1 8V If voltage is missing try replacing U6120 U6000 or U2000 in that order Proximity Sensor Troubleshooting ...

Page 72: ...g in lens It should be translucent when holding front housing up to a light Try swapping front housings Try replacing U6120 Test on different fixture bulbs in fixture may be too old and dim If no reading at all error code Check part orientation of U6120 Verify voltage at C6121 is 2 85V Verify voltage at R6000 and R6001 is 1 8V If voltage is missing try replacing U6120 U6000 or U2000 in that order ...

Page 73: ...MOTOROLA CONFIDENTIAL Accelerometer is part U6150 If no reading Verify U6150 orientation Verify voltage at C6151 is 1 8V Replace U6150 or possibly U6000 or U2000 If reading is failing Replace U6150 likely damaged accelerometer part Accelerometer Troubleshooting ...

Page 74: ...ONFIDENTIAL Gyroscope is part U6150 same part as accelerometer If no reading Verify U6150 orientation Verify voltage at C6151 is 1 8V Replace U6150 or possibly U6000 or U2000 If reading is failing Replace U6150 likely damaged accelerometer part Gyroscope Troubleshooting ...

Page 75: ...ation Verify voltage at C6141 is 1 8V Replace U6140 if still not fixed try replacing U6150 then possibly U6000 If reading is failing Replace U6140 likely damaged magnetometer part Test at board level if radio level testing is failing to determine if magnetic component in the housing is somehow affecting readings Magnetometer Troubleshooting ...

Page 76: ...NTIAL Hall Effect Part is U6170 If no toggling Verify U6170 orientation Verify voltage at C6175 is 1 8V Make sure U6000 is placed and oriented correctly Replace U6170 likely damaged hall effect part Can also replace U6000 if failure persists Hall Effect Sensor Troubleshooting ...

Page 77: ...4 is 2 85 V Verify voltage at C6506 is 1 6 V Replace U6500 D6500 then U6000 or U2000 if not fixed One or more LEDs have low readings Check black grommet on housing is not obscuring the sensor or the LEDs Verify LED orientation refer to sensor location drawing Verify Q6500 Q6501 Q6502 Q6503 orientation Verify voltage on LED anode is 5V If LED 2 replace LED module if LED 1 or 3 replace entire flex d...

Page 78: ...nd E5102 are not skewed or damaged Check C5105 C5106 C5107 for damage or any process related defects Check the motor itself by applying 2 4V across the C5105 it should spin freely and continuously If the motor spins when 2 4V is applied externally but not when driven from CQA app x ray U5101 for defects and replace as needed NOTE If motor does not spin or if motor stutters but starts working norma...

Page 79: ...ltimeter to check connection between gold SIM contacts and pins on back of connector Verify a 0V voltage on Pin tray_det C5803 when card is removed Verify 1 8 Volts on Pin tray_det C5803 when card is inserted Check for unexpected shorts to ground on M5801 and M5802 pins 1 2 3 6 factory cable USB and battery must be removed SIM1 Verify R5502 R5503 and R5505 are placed SIM2 Verify R5510 R5512 and R5...

Page 80: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL PROCESSOR AND MEMORY TROUBLESHOOTING ...

Page 81: ...rst and then maximum of 177MHz EMMC_CLK accessible at C1011 or R1010 3 Wire our command and data lines along with clock and put it on the scope If the command does not output the command information then the EMMC controller inside the chip could be corrupted CMD accessible at R1610 D0 accessible at test point 4 Note down lot code and date code 5 Try user reset hold power key for 10secs and restart...

Page 82: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL 1 8V D0 2 95V CMD CLK EMMC Probe Locations Bottom Side ...

Page 83: ...all be placed These are series components on CLK CMD and DATA Be sure to probe both sides of the part 4 Depending on the type of card placed in the slot you can measure sdc2_clk as 12 5MHz 25MHz 50MHz 100MHz 200MHz during a read or write operation CLK accessible at R4408 5 Probe SDC2_DATA 3 0 SDC2_CMD to ensure there is activity on the bus Start with Data0 R4404 R4407 is data and R4409 is CMD 6 If...

Page 84: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Bottom side J4200 is SIM uSD SIM connector Tray Detect Top Side Data CMD CLK VDD_SDC Micro SDCard Probe Points ...

Page 85: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL CAMERA TROUBLESHOOTING ...

Page 86: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Front Imager Schematic ...

Page 87: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Rear Imager Flash LED Schematic ...

Page 88: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Camera Pinout Rear camera pointed at you ...

Page 89: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Camera Pinout Front camera pointed at you ...

Page 90: ...p Flex LED flash shared cathode contact LED flash Warm anode Front imager circuit NC If camera does not turn on change camera module If camera still does not power on then it is likely an issue on main PCB Top Flex Connector Audio Flex Connector Audio Flex Flash PCB LED flash Cool anode Camera Troubleshooting ...

Page 91: ...CONFIDENTIAL Rear imager connector Rear Camera circuit Front flash LED cathode Front flash LED anode LED Flash circuit If camera does not turn on change camera module If camera still does not power on then it is likely an issue on main PCB Camera Troubleshooting cont d ...

Page 92: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL LED Flash Schematic ...

Page 93: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL LED Flash circuit LED Flash Layout ...

Page 94: ...Moto X Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL Blemish failure due to FM This FM is most likely beneath the lens Blemish Example 1 ...

Page 95: ...o FM The blue box and red circle are part of the annotated image Annotated images end with _BLEMISH in the file name These annotations are drawn by the analysis software and not part of the real image The blemish that is circled however is real and indicates FM or a defect in the lens Blemish Example 2 ...

Page 96: ...OTING GUIDES MOTOROLA CONFIDENTIAL Blemish failure due to noise There are no particles or lens defects in this module but the noise is so bad that it is getting mistaken for blemishes This is most likely a problem with the sensor Blemish Example 3 ...

Page 97: ...G GUIDES MOTOROLA CONFIDENTIAL This picture shows a really severe case of the focus chart not being centered within the camera s view This case is most likely caused by operator error when placing the phone into the test chamber Placement Error Example ...

Page 98: ... Force DROID Turbo 2 BASEBAND TROUBLESHOOTING GUIDES MOTOROLA CONFIDENTIAL The top side of this image is blurry This will most likely be a problem with the lens placement inside the module Focus Error Example ...

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