Table of Contents
Troubleshooting
Related Manuals for Motorola Moto Z Play
Summary of Contents for Motorola Moto Z Play
- Page 1 Moto Z Play (Droid)/Moto Z Play Baseband Trouble Shooting Guide V1.0 Subhead (Arial, U/L, 36pt) © 2009 Motorola Proprietary & Confidential Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 2: Table Of Contents
8. Fingerprint Sensor Troubleshooting …………………………….……………..…..9. Touch screen Troubleshooting …………………..…..………………….….…...…..10. Display Troubleshooting …………………………….…………….…………..……..11. Imager/Flash Troubleshooting ..…………………..………………………..…..…….… 12. Audio & Vibrator Troubleshooting ...………..………………..……………..……….. 13. Mods Interface Troubleshooting ………………………….………………..…….…..Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... -
Page 3: Block Diagram
BLOCK DIAGRAM Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 4 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 5 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 6 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 7 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 8 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 9 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 10: Snapshot Of Main Pcb
SNAPSHOT OF MAIN PCB Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 11 Main PCB – Top and Bottom Top Side (Battery side) Bottom Side (Display side) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 12 SIM/SD card / Mag flex connector Loud Spk Contacts Rear flash LED flex connector Flash Driver Mic2 Front WTR2965 camera ZIF eMCP MSM8953 PMI895 WTR2965 MMMBPA Smart Sensor boost Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 13 PROX Sensor /ALS PMUX SOL LED HSIC Battery MyDP Conn FPS ZIF PM8953 CODEC BT/WIFI Display, Touch Connector HBPA JTAG MIPI APBA Kung Accel/ Powerkey Vol keys Gyro sensor Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 14: No Power Up Debugging
DEBUGGING Purpose of this document is to cover the debugging steps used to root cause PCB that do not power properly so that they may be used again to initiate corrective actions. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL... - Page 15 Main PMIC PM8953 U2000 Charging PMIC PMI8952 U2400 Kung Kalf(Kow) Factory Kill IC User Reset IC U650 B_PLUS VSYS System Battery Voltage USB_PWR USB Voltage Charger Voltage USB_INx PMUX_OUTx Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 16 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.
- Page 17 Use a Warthog board to supply USB power externally ○ Modify a USB cable. Cut open the cable, cut the red wire, and connect it to the external power supply. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 18 Power Management – No Power On Debug Flowchart Battery Current Check Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 19 Power Management – No Power On Debug Flowchart USB Current Check Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 20 Power Management – No Power On Debug Flowchart Battery Power Path Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 21 Power Management – No Power On Debug Flowchart USB Power Path Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 22 Power Management – No Power On Debug Flowchart Check PMIC Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 23 Power Management – No Power On Debug Flowchart Check MSM and eMCP High Current Failure Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 24 Power Management – No Power On Debug Flowchart Check USB Enumeration Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 25 ● When the board is in this mode, blank flashing can be attempted to reflash the device and/or find more information on the failure. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 26 Power Management – Blankflash Mode ● If in blankflash Mode, the device will enumerate like in the diagram. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 27: Battery & Charging Troubleshooting
BATTERY & CHARGING TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 28 Circuit including L2400 ⇾ Battery FET (PMI8952, U2400) ⇾ Battery ⇾ PowerMUX (FPF3042, U2401) ⇾ Charger IC (PMI8952, U2400) ⇾ Switch Regulator Circuit including L2400 ⇾ Battery FET (Pack (J510) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 29 USB Charger : USB Type C Connector (J500) ⇾ PowerMUX (FPF3042, U2401) ⇾ Charger IC (PMI8952, U2400) ⇾ Switch Regulator Circuit including L2400 ⇾ Battery FET (PMI8952, U2400) ⇾ Battery Pack (J510) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
- Page 30 ● MOD-Espresso : MOD Connector(M750MOD) ⇾ PowerMUX (FPF3042, U2401) ⇾ Charger IC (PMI8952, U2400) ⇾ Switch Regulator Circuit including L2400 ⇾ Battery FET (PMI8952, U2400) ⇾ Battery Pack (J510) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 31 BATTERY THERMISTOR (Position/Schematic/Layout) ● Battery Thermistor is placed at Rear Camera Flash Flex. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 32 ○ Battery temperature should be in the range of 0ºC ~ 45ºC to be fully charged. Check the thermistor voltage at the test point (TP_BAT_THERM). It should be around 1.35V at room temperature (25ºC). Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
- Page 33 ● If this does not work, try plugging in charger. If charge level is 1% or higher, leave on charger until 100% is reached. If battery level is too low but 1% or higher: ● Plug in charger and leave until 100% full Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 34 11. If any of the first nine steps are not completed successfully, one of the installed PMICs has failed. If step10 fails, there may be a problem with the modem device, one of the PMICs, or their interconnections. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
- Page 35 SOL (Sign of Life) LED • SOL LED(White) is driven by U2400 PMI8952 LED_SOL_SINK (PMI8952 CHG_LED) and B_PLUS Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 36 V_Cathode: 0.95V Vf = 2.8V Vf = 2.2V FTM power, w/ battery(3.8V) V_Anode: VBatt+ 0.1V, 3.9V V_Anode: VBatt+ 0.1V, 3.9V V_Cathode: 1.05V V_Cathode: 1.66V Vf = 2.85V Vf = 1.95V Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 37: Prox/Als Troubleshooting
Prox/ALS TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 38 Prox/ALS Troubleshooting Verify part placement and orientation as shown in the picture below Prox/ALS Module Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 39 Prox/ALS Troubleshooting Verify ALS and Proximity sensor functionality using CQA app Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 40 If above action shows failure, please swap the Prox/ALS module If swapping the Prox/ALS module does not resolve the failure mode. Please send the unit back to Chicago for DE analysis. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 41: Nano Sim / Usd Card Troubleshooting
USIM/uSD CARD TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 42 SIM1 / SIM2 / SD Card • Moto Z Play has SIM/SDCARD board (84016569001). It is connected to main board through 30 pins BtoB connector. • SIM/SDCARD board has connectors for SIM/SD Card, Shield, and Magnetometer. All protection/detection/ Pull-up/Pull-down components are placed on main board.
- Page 43 SIM1 / SIM2 / SD Card - Schematic on Main Board SD Card Interface SIM1 Interface SIM2 Interface Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 44 SIM1 / SIM2 / SD Card - Schematic on SIM/SDCARD board Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 45 Check SD bus interface signal activities during SD Card access (SDC_DATAx, SDC_CMD, SDC_CLK) • Do a thorough visual check on SD connector U4200 for any sign of mechanical contact issues • Change to new SIM/SDCARD board Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 46: Base Sensors Troubleshooting
BASE SENSORS TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 47 When all sensors stop reporting readings, please inspect the power supply on sensor hub. If the power is present, then please send the board back to Chicago for DE analysis. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 48 As you change the board orientation to have positive X,Y,Z accelerometer reading. • Good accelerometer IC will have G-force reading for each positive axis closed to 9.8 else the IC is faulty. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 49 Look for gyroscope activity on all axis X,Y,Z. • As you rotate the board orientation, gyroscope reading will register reading accordingly. • When the board is stationary, all gyroscope reading should be 0. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 50 Connect the board to a display and power the board/display with battery or factory cable. • Launch CQA app, test each magnetometer. • Look for magnetometer on all axis X,Y,Z. • As you rotate the board orientation, magnetometer reading will register reading accordingly. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 51 Sensor Hub (Schematic) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 52 Accelerometer and Magnetometer (Schematic) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 53: Fingerprint Sensor Troubleshooting
TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 54 FPS Troubleshooting CQA app testing FPS functionality Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 55 FPS Troubleshooting Swapping FPS module see if failure follows FPS module Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 56: Touch Screen Troubleshooting
TOUCH SCREEN TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 57 Single Layer On-Cell Touch – Vendor: Samsung Display (SDC) • Touch Controller: Synaptics S3508 • Sensor pattern configuration: 16 TXs * 28RXs Touch IC Touch Connector Display Connector ZIF tail Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 58 Touch Design - Mechanical Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 59 Touch Design - Block Diagram Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 60 TOUCH_VCI = 3.20V INT_N = 1.8V State change interrupt. Low when touch event occurs I2C lines (SCL, SDA) should be pulled up to 1.8V RST_N from MSM GPIO TOUCH_VIO = 1.8V Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 61 Touch Design - Schematic (Touch Flex) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 62 Touch Design - Flex Layout (Touch Flex) Bottom Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 63 Ensure TOUCH_VCI 3.2VDC and TOUCH_VIO 1.8 VDC supplies are on the main board display ZIF connector(J5300)Verify Reset signal is high, INT is high, I2C Data and Clock at 1.8VDC. • When touching panel, INT should toggle low, I2C data and clk will toggle. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 64: Display Troubleshooting
DISPLAY TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 65 Display Design - Overview • Display Type : AMOLED • Vendor : Samsung Display (SDC) • Resolution : FHD (1920x1080) • Size : 5.49” Touch IC Touch Connector Display Connector ZIF tail Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 66 Display Design - Block Diagram Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 67 Display Design - Mechanical Display ZIF Connector Tail TOUCH Flex ZIF Connector Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 68 Display Design - Flex Layout (Display Flex) Bottom Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 69 Display Design - Electrical DISP_VCI_FL = 3.20V DISP_VIO_FL = 1.8V Display Reset from MSM GPIO Display Tearing Effect Prevention AVDD Enable Signal from Display Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 70 Display Signal Location VREG_DISP_ELVSS VREG_DISP_AVDD VREG_DISP_ELVDD (4.6V) DISP_VCI_FL (3.2V) DISP_VIO_FL (1.8V) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 71 Check AVDD, ELVDD, and ELVSS after phone power up. a. If they are not turned on, check ELON1_AVDD and ELON2. • If the issue follows display module, replace the module Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 72: Imager/Flash Troubleshooting
IMAGER/FLASH TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 73 • If the issue follows main PCB - Please check power supplies level, control signals and MIPI signals as directions on the next slide to find further information about failure. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 74 ( CAM_DVDD=1.2V ) at this point of C5542. ( VREG_L17_2P85=2.85V ) It should be high level. Check sensor digital power level at this point of C5533 or C5534 ( VREG_L10_1P8=1.8V ) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 75 Rear Facing Imager Troubleshooting (cont’d) Zif fingers of rear imager module will be inserted into zif connector on main pcb as below (top contact type) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 76 • If the issue follows main PCB - Please check power supplies level, control signals and MIPI signals as directions on the next slide to find further information about failure. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 77 Check sensor digital power level at this point level at this point of C5605 of C5602 or C5603 ( VREG_L10_1P8=1.8V ) ( CAM_AVDD=2.85V ) Check CAM_F_MCLK_FL (main clock, 24Mhz) at this point of C5607 Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 78 Front Facing Imager Troubleshooting (cont’d) Zif fingers of front imager module will be inserted into zif connector on main pcb as below(bottom contact type) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 79 LEDs on flexible PCB for further analysis if it is the case. • If the issue follows main PCB - Please check the operation of flash driver IC (SKY81298, U5650) on next slide to find further information about the failure. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 80 Since these signals are being U5650 shared with front and rear imagers Check the SMT status if there is cold soldering or part damage associated with flash driver IC circuitry on main PCB Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 81 • If the issue follows front imager flash PCB - Check if LED was damaged and send the module to LED supplier without removing LEDs on flexible PCB for further analysis if it is the case. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
- Page 82 It should be 2.8V and always-on power. Need to check power line path if some issue is detected Check if I2C_SCL/SDA activity is present at this point of C5676 and C5677. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
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Page 83: Audio & Vibrator Troubleshooting
AUDIO & VIBRATOR TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 84 Audio Port Locations Speaker and earpiece port 2nd MIC port 1st MIC port 3rd MIC port Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 85 Audio Block Diagram Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 86 Audio Part Location (Top) Speaker universal contacts 1st MIC 2nd MIC Headset jack socket contact Watson smart boost IC Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 87 Audio Part Location (Bottom) 3rd MIC Linear vibrator universal contacts Marley CODEC IC Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 88 - Beam forming microphone for Moto voice - Recording microphone for stereo camcording HS MIC - Main microphone for headset mode voice call - Main microphone for Moto voice Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 89 Headset detection can be verified by selecting “Headset Info” under the CQA apk “Headset” menu Information about whether a headset is plugged in and the headset type and MIC information should be displayed. Headset “SEND/END” button press detection status should be displayed as well. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 90 - Check the microphone output at C5700 or C5701. The AC amplitude should be increased (Output DC bias should be around 0.7V), when audio is present. - If there is no AC amplitude, MIC part should be reworked. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 91 - Check the microphone output at C5750 or C5751. The AC amplitude should be increased (Output DC bias should be around 0.7V), when audio is present. - If there is no AC amplitude, MIC part should be reworked. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 92 - Check the microphone output at C5725 or C5726. The AC amplitude should be increased (Output DC bias should be around 0.7V), when audio is present. - if there is no AC amplitude, MIC part should be reworked. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 93 - Check DC resistance of vibrator part, it should be 24 ~ 32 ohm. If the problem is vibration noise, the linear vibrator module should be reworked by new one. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 94 Headset Circuit Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 95 - Check DC resistance of L4902 and L4903, it should be around 2 ohm. Inside contact pins for detecting accessory Headset jack socket connector M4901 Outside contact pin of headset jack socket Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 96 - Compare SPKOUTN signal level between C5797 and pin 6 of Q5791 while the gesture detection signal is operating. If the pin 6 of Q5791 level is much lower, Q5791 part should be reworked. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
- Page 97 - Check L5780 and L5781 DC resistance, it should be around 0.13 ohm. - If there is no problem, check the smart boost IC circuit (See next page) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 98 - Check input analog power at C6418, it should be 1.8Vdc. - Check voltage boost output level at C6425 during play audio (Multimedia or voice call), it should be battery voltage to 8.5Vdc. Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL...
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Page 99: Mods Interface Troubleshooting
MODS INTERFACE TROUBLESHOOTING Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE... - Page 100 Mods Debug Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 101 Mods Debug Bottom Side (Display side) XBar LoadSwitch w current PMUX limit SPI SW MyDP CODEC MIPI SW APBA Accel/ Gyro HE sensor Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 102 Mods Connector Pins Orientation Top of Phone M750MOD M751MOD M750MOD M751MOD Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 103 • Probe CC pin to confirm proper voltage level (reference table in the next slide) • If all supply levels +signals in the detection block measure fine, replace U700MOD. MISO MOSI GND B+ GND CC Top of Phone M750MOD M751MOD M750MOD M751MOD Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 104 Mods Debug - Detection (common for all Mods) - Continue M750MOD M751MOD Detection Block (U700MOD) CCPin Voltage Levels (by state) Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 105 Mods Debug - Detection (common for all Mods ) - Continue U700MOD Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 106 • Reference Mods block diagram provided at beginning of the Mods section • Reference schematic areas associated with the Mods detection in next slide MISO MOSI GND B+ GND CC VBUS Top of Phone M750MOD M751MOD M750MOD M751MOD Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...
- Page 107 • Reference Mods block diagram provided at beginning of the Mods section • Reference schematic areas associated with the Mods detection in next slide Cwire MISO MOSI GND B+ GND CC VBUS Top of Phone M750MOD M751MOD M750MOD M751MOD Moto Z Play (Droid)/Moto Z Play MOTOROLA CONFIDENTIAL BASEBAND TROUBLESHOOTING GUIDE...