LG -X230DS Service Manual
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LG -X230DS Service Manual

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MOBILE PHONE
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS" IN THIS M
ANUAL
MODEL :
LG-X230DS
Internal Use Only
Date: Feb 2017 / Issue 1.1

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  • Page 1 Internal Use Only MOBILE PHONE SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS M ANUAL MODEL : LG-X230DS Date: Feb 2017 / Issue 1.1...

  • Page 2: Table Of Contents

    3.10 Audio 3.11 LCD 3.12 Touch 3.13 Sensor 3.14 USB 3.15 CAMERA 3.16 Connectivity Part 4. BLOCK DIAGRAM…........... 65 5. CIRCUIT DIAGRAM..........74 Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...

  • Page 3: Purpose

    This manual provides the information necessary to repair, calibration, description and download the features of this model. 1.2 Regulatory Information A. Security This material is prohibited to share and release to unauthorized person, in accordance with the regulations, LG Electronics, Civil / criminal responsibility in accor dance with the relevant provisions violate. B. Precautions for repair In case of Disassembly or Assembly to repair product, be careful of a product failure caused by RF signals and Static electricity.
  • Page 4 925 – 960 GSM850 824 – 849 869 – 894 DCS1800 1710 – 1785 1805 – 1880 PCS1900 1850 – 1910 1930 – 1990 Copyright ⓒ 2015 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 5 3264(H) X 2448(V) pixels. Image Scaling Down 8M(4:3, 3264x2448), 8M(16:9, 3264x1836), EIS 1080P(2112x1188), 1080P(1920x1080), EIS 720P(1408x792), and more. Format Image : JPG, Video : MP4 Copyright ⓒ 2015 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 6 Max 40Mbps (SDIO Driver performance) Depend on environment 0 ~ 50m (depend on environment) 13. GPS type A-GPS 14. FM type FM Radio, 3.5pi Ear-jack Copyright ⓒ 2015 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 7 Under 9mA Under 9mA 1. Sleep Mode 2. Sleep : connector Ear jack Under 9.5mA Under 9.5mA 2. Sleep : connector Ear jack Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...

  • Page 8: Performance................................................... 4

    Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5% Bar 10 -> Bar 9 48% -> 47% Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...

  • Page 9: Sw Specification

    It depends on operator requirements Own Number My Profile (add/edit/delete are supp orted) Voice Memo Support voice recorder Call Reminder Network Selection Automatic Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 10 Support only web browser via Chrome. WAP stack and wml are not supported. Download Melody / Over web browser Wallpaper SIM Lock SIM Toolkit Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 11 FM radio GPRS Class 12 EDGE Class 12 Hold / Retrieve Conference Call Max. 6 DTMF Memo pad SyncML Google Hangout Email Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 12: Checking Xo Block

    Battery Circuit Diagram Check Clock(TP1) Re-solder or change U401 TP1 (X1302) Re-solder or change X1302 The frequency is OK ，U1301 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 13: Transceiver Dc Power Supply

    Check power on the Battery Re-solder or change Check Software setting U401 TP3(2.8V)(C1304) TP1(1.8V)(C1306) Reset software TP1、TP2 and TP3 are OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 14 3. TROUBLE SHOOTING 3.3 FEM (Front-End Module) Block 3.3.1 . FEM Mode Control Logic Table FEM Mode Control Logic Table Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 15 Change or charging Check TP2 the Battery TP1(3.7~ 4.2V) U3101 Re-solder or change The Voltage of FEM is OK Circuit Diagram TP1(3.7~4.2V)C1529 TP2(1.8V)C1528 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 16 Check Transceiver Re-solder or change Check Asm Check Pam Re-solder or change Re-solder or change The GSM Rf Part is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 17 4.PCS1900 RX PATH U1001 5.GSM850/GSM900 TX PATH U1507 6.DCS1800/PCS1900 TX PATH 7.COMMON T/RX PATH U1503 U1505 Main U1506 U3101 Main Image J3101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 18 3.4.1.1 Checking RF signal path (SW) Image Checking Flow Main TP1(CON1500) START CON1500 Check TP1 Circuit Diagram Re-solder or change The GSM RF signal pathis ok Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 19 Re-solder or Change Re-solder or Change Check TP3 Check TP4 Re-solder or Change Re-solder or Change GSM RX Path is OK Image Main Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 20 4.PCS1900 RX PATH U1001 5.GSM850/GSM900 TX PATH U1507 6.DCS1800/PCS1900 TX PATH 7.COMMON T/RX PATH U1503 Main U1505 Main U1506 U3101 Image J3101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 21 3.4.2.2 Checking GSM PAM DC Power Circuit Image Checking Flow START Main Check TP1 U1506 Re-solder or change The GSM PA Voltageis OK Circuit Diagram TP1(3.8V) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 22 3.4.2.3 Checking RF signal path(SW) Image Checking Flow TP1(CON1500) START Check TP1 Circuit Diagram Re-solder or change The test bench is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 23 Check TP2 Re-solder or Change U3101 Check TP3 Re-solder or Change Circuit Diagram RF signal path is OK Re-solder or Change Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 24: Wcdma Rf Part

    Check Transceiver Re-solder or change Check Asm Check Pam Re-solder or change Re-solder or change The WCDMA Rf Part is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 25 1) WCDMA RX Path 2.B8 RX PATH 3.B1 RX PATH U1301 •COMMON T/RX PATH U1507 U1503 Main U1505 Main U1506 U3101 Image J3101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 26 U1503 Check TP2 Re-solder or Change U1506 Check TP3 Re-solder or Change Re-solder or Change B2 RF signal path is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 27 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.1.1 Checking RF signal path(Band 1) Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 28 U1505 Check TP2 Re-solder or Change U1506 Check TP3 Re-solder or Change Re-solder or Change B5 RF signal Path is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 29 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.1.2 Checking RF signal path(Band 5) Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 30 Check TP1 Check TP2 Re-solder or Change Check TP3 Re-solder or Change U1506 Re-solder or Change B8 RF signal path is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 31 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.1.3 Checking RF signal path(Band 8) Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 32 2) WCDMA TX Path 2.Band 5 TX PATH Main 3.Band 8 TX PATH U1507 5.COMMON T/RX PATH U1503 U1505 U1501 Main U1506 con1500 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 33: Power

    Check TP3 Re-solder or Change Check TP4/TP5 Re-solder or Change TP2(3.4V~4.3V) WCDMA PAM Power and Re-solder or Change Circuit is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 34 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.2.1 Checking WCDMA PAM DC Power & Control Circuit Circuit Diagram TP2(3.4V~4.3V) TP1(3.4V~4.3V) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 35 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.2.1 Checking WCDMA PAM DC Power & Control Circuit U1405 PAM CONTROL LOGIC Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 36 Circuit Diagram Re-solder or Change Check TP3 Re-solder or Change Refer to 3.5.1.1 Re-solder or Change RF signal path is OK Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 37 Check PA out TP5 U406 Re-solder or change Check duplexer TRX TP2 U1503 Re-solder or change Check duplexer TXM TP1 U1506 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 38 3. TROUBLE SHOOTING 3.5 WCDMA RF PART 3.5.2.3 Checking RF signal path Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 39 Check Software setting Re-solder or change U401 TP3(1.8V) Check TP1~4 output and input Reset software Re-solder or change TP4(26MHz) Connectivity is OK R1204/1205/1206/1207 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 40 3.6. 2. 1. BT&WIFI Trouble Shooting Image ANT1201 ANT1202 BT/WIFI Signal Path Main Antenna Matching Main U1204 RF Matching U1205 U1201 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 41 Re-solder or change Check TP2 si gnal U1201，U1205 Re-solder or change Check TP1 si U1205 U1204 gnal Check device work or Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 42 3.6 Connectivity PART 3.6. 3. 1. GPS Trouble Shooting Image Main GPS Signal Path ANT1202 ANT1201 SAW1202 U1203 U1204 To U1201 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 43 Re-solder or change Check TP2 U1202 signal Circuit Diagram Re-solder or change Check TP1 U1204 signal NOT GOOD Check device work or Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 44 Re-solder or change matching components Check U1201 Re-solder or change U 1201 Check Softw U1201 are setting Reset software FM function ok Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 45 Battery (U401) Re-solder or change Check Clock U401 CPU(U101) 32K(X401) Re-solder or change X401，X1301，U101 Device can power on BATTERY CONNECTOR (J501) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 46 Measurment Location Check Clock Result X401 32.768 KHz crystal 32.74kHz C419 X1201 26MHz Crystal(WCN) 26.03MHz R1207 X1301 26MHz Crystal(Transceiver) 26.1MHz C1309 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 47 3. TROUBLE SHOOTING 3.7 Power Checking Power signal(Battery connector, PMU, Clock) Circuit Diagram TP10 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 48: Charger

    Re-solder or change J501 Check U501 Re-solder or change U501 Check TP1~T P6 signal Re-solder or change USB function ok U401,U101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 49 3. TROUBLE SHOOTING 3.8 Charger The charging controlled by BB chip MT6737M U101),PMU chip MT6328(U401),charge IC APL3225(U501). Circuit Diagram Charge IC Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 50: Audio

    Check TP1 ~TP4 Re-solder or change R703(TP3) R704(TP4) Circuit Diagram Check REC Check PMU Change receiver (U401) Speaker function ok Change PMU(U401) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 51 Check TP1 ~TP4 Re-solder or change R318(TP3) R319(TP4) Check SPK Circuit Diagram Check PMU Change Speaker (U2001) Speaker function ok Change PMU(U2001) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 52 Re-solder or change C742, C743, C715, C716, C717 Check Circuit Diagram soldering Check PMU Change U702 (U401) MIC function ok Change PMU(U401) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 53 Circuit Diagram Check J301 Re-solder or change good conta R311,R313,B303 ct with MB Earphone SPK functio Re-solder or change n ok J301 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 54 TP13 Voltage TP10 TP11 Check TP1~ Re-solder or change TP12 TP12 solder U401 TP14 Re-solder or change Display function ok Z901~Z903 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 55 The LCD control signals are generated by MT6737M. Its interface is MIPI having two data lanes and one clock lane. Circuit Diagram TP13 TP14 TP10 TP11 TP12 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 56: Touch

    Checking Flow Start Check J502 Soldering Re-solder or change J502 Check Circuit Diagram Voltage Re-solder or change Touch function ok U401 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 57: Sensor

    Circuit Diagram U808 Check TP1&TP2 Voltage Re-solder or change Check TP3 U401 &TP4 signal Re-solder or change G sensor function ok R302,R307,U101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 58 Check TP1&TP2 Circuit Diagram Voltage Re-solder or change Check TP3 U401 &TP4 signal Re-solder or change P Sensor function ok R302,R307,U101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 59 TP7 Voltage Re-solder or change U501 Check U101 so ldering Re-solder or change USB function ok U101 Circuit Diagram : Next Page Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 60 3. TROUBLE SHOOTING 3.13 Checking USB Block I/O connector is used as the USB port. Circuit Diagram Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 61: Camera

    Re-solder or change R1011,U101 Check I2C&M IPI signal Re-solder or change Circuit Diagram Main camera function Z1001~Z1005,R304,R : Next Page 305,U101 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 62 8M FF camera control signals are generated by MT6737M(U101). And powered by PMU(U401). Circuit Diagram TP10 TP16 TP15 TP11 TP12 TP13 TP14 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 63 Check I2C&M Circuit Diagram IPI signal : Next Page Re-solder or change Z1 Sub camera function o 006,Z1007,Z1008, R304, R305,U101, TP11 TP12 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 64 3.14.2 Checking sub camera Block Sub camera control signals are generated by MT6737M(U101). And powered by PMU(U401). Circuit Diagram TP11 TP12 TP10 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 65: Block Diagram

    MT6737V/WM L Sensor STK3311-28A MT6328V/A Sub Camera PMIC 5M FF MIPI Vibrator Memory 8GB eMMC+ 8Gb LPDDR3 Touch HX8527 Micro SD Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 66 4. BLOCK DIAGRAM 2. RF Main Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 67 BT_WIFI_GPS FM_RADIO Ear Jack antenna FM_LANT_P FM_LANT_N +2V8_VCN28 WIFI_TRX_BT_TRX Matching WB_GPS_RF_IN OSC_GPS_26MHz 26MHz XO_IN RX_INP_GPS GPS_RFIN +2V8_VCN28_MT6625 +1V8_AVDD18_WBG +2V8_VCN28_MT6625 MT6328 +3V3_VCN33_MT6625 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 68: Power Block Diagram

    4. FM Operating : TBDmA MT6328 5. WLAN RX (ACTIVE) : Typ.TBDmA , TX CCK (21dBm) : TBDmA 6. GPS on : TBDmA Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 69 DM[0:3] eMMC_DATA[0:7] DAT[0:7] eMMC_RST RSTB eMMC X8 8GB eMMC_CMD eMMC_CLK CLKM DAT[0:7] MT6328 +1V8_VIO_MTK VIO18 +3V3_eMMC_MTK EMC_3V3 +1V2_VLPDDR2_MTK VMCH VM12 VSIM Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 70 TDN1 LCD_MIPI_CLK_P LCD_MIPI_CLK_N LPTE LPTE LCD_RESET_N LRSTB EIN_INT EINT122 I2C_SDA SDA_1 I2C_SCL SCL_1 CTP TOUCH CTP_RST HX8527 MT6328 VIO18 VGP1_2V8 VGP1 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 71 8M AF CAM_RESET_N RST2 CMRST2 CAMERA CAM_MCLK MCLK MIPI I2C_SCL I2C_SDA FLASH IC +VBAT Battery SGM3785 GPIO80 FLASH_EN FLED2 GPIO78 TORCH_EN Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 72 ACCDET AU_VIN2_P MIC_N AU_VIN2_N EINT_PMU EINT EINT Sub MIC SPI_CLK SPI_CLK SPI_CLK SPI_CSN SPI_CSN SPI_CSN SPI_MOSI SPI_MOSI SPI_MISO SPI_MISO SPI_MISO SPI_MOSI Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 73 EINT10 ACCELERATION BMA253 VDDIO I2C_SCL SCL2 I2C_SDA SDA2 P SENSOR INT_PS LEDA EINT62 STK3311_28A LEDCAT LEDCAT VIO28_PMU MT6328 VIO28 VIO18_PMU VIO18 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 74 5.CIRCUIT DIAGRAM CIRCUIT DIAGRAM Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 75 REVISION RECORD ECO NO: APPROVED: DATE: MT6737M U101-F MT6737M MT6735-SBS U101-E AVDD & MD_A MT6735-SBS DVSS AVDD18_MD [1,2,3,4,5,6,7,8,9,11][13,14] VIO18_PMU AK11 DVSS AVDD18_AP VOCRE VPROC DVSS AVDD28_DAC VTCXO_0_PMU [4,13,16] DVSS VCORE_PMU AE11 DVSS AVSS18_MD VCORE_PMIC_FB DVSS AVSS18_MD DVDD_CORE DVDD_CPU VPROC_PMU [4] DVSS AVSS18_MD GND_VCORE_FB...

  • Page 76: Test Points

    REVISION RECORD ECO NO: APPROVED: DATE: PCBA ID [1,2,3,4,5,6,7,8,9,11][13,14] [1,2,3,4,5,6,7,8,9,11][13,14] [1,2,3,4,5,6,7,8,9,11][13,14] [1,2,3,4,5,6,7,8,9,11][13,14] [1,2,3,4,5,6,7,8,9,11][13,14] VIO18_PMU VIO18_PMU VIO18_PMU VIO18_PMU VIO18_PMU BOARD_TYPE_ID_4 [2] BOARD_TYPE_ID_3 [2] BOARD_TYPE_ID_2[2] BOARD_TYPE_ID_1 [2] BOARD_TYPE_ID_0[2] Model Variant SS/DS Hardware Seting Note X240Z South Africa R208/R210/R212-R204 000-1 X240DS Brazil R208/R210/R211-R205 001-0 X240H MT6737M...
  • Page 77 REVISION RECORD ECO NO: APPROVED: DATE: PCB temperature measurement [1,2,3,4,5,6,7,8,9,11][13,14] [4,10] VCAM_IO_PMU VIO18_PMU VIO18_PMU [1,2,3,4,5,6,7,8,9,11][13,14] [3,9] [3,10] SDA1 SDA0 SCL0 [3,10] SCL1 [3,9] MT6737M MT6737M AUX_IN0_NTC U101-D U101-C MT6735-SBS VIO18_PMU MT6735-SBS [1,2,3,4,5,6,7,8,9,11][13,14] MSDCs USB_DP USB_DP MSDC0_RSTB MSDC0_RSTB [10] MIPI_RCP MIPI_TCP USB_DM USB_DM [10]...
  • Page 78 REVISION RECORD ECO NO: APPROVED: DATE: C0201_100NF_10V_K U401-A LS_MPIA252010-R33M-LF C402 CONTROL SIGNAL BUCK OUTPUT R0201_1K R403 VPROC_SW PWRKEY VPROC VPROC_PMU [1] PWRKEY VPROC L401 HOMEKEY VPROC VPROC SYSRSTB RESETB VPROC EXT_PMIC_EN VPROC_PMIC_FB_6328 VPROC_FB AVSS45_VPROC_FB GND_VPROC_PMIC_FB_6328 WATCHDOG WDTRSTB_IN MPIA201610-R47M-LF R405 R0201_200K_F UVLO_VTH VLTE_SW VLTE...
  • Page 79 REVISION RECORD ECO NO: APPROVED: DATE: Audio U401-B [13] MT6169_XO4_CLK CLK26M AU_MICBIAS1 MICBIAS1 AUD_CLK_MOSI AUD_CLK AU_MICBIAS0 MICBIAS0 C515 AUD_DAT_MOSI_1 AUD_DAT_MOSI AU_FLYP BAT CONNECTOR BAT spec need to confirm!!! C0402_2.2UF AUD_DAT_MISO_1 AUD_DAT_MISO AU_FLYN AVDD45_SPK VBAT [4,5,7,8,9,10,14,15] SPK_P AVSS45_SPK SPK_N VAUD28 AU_HSP AU_HSP AVDD28_AUD AU_HSN...
  • Page 80 REVISION RECORD ECO NO: APPROVED: DATE: eMMC+LPDDR3 [1,2,3,4,5,6,7,8,9,11][13,14] R0402_0R R601 U602 DVDD18_EMI [6] DVDD18_EMI VIO18_PMU VDD1 VDD1 VDD1 VDD1 VDD1 VDD1 VDD1 VDD1 VDD1 VDD2 DVDD12_EMI[1,4,6] VDD2 VDD2 VDD2 VDD2 VDD2 VDD2 VDD2 VDD2 VDD2 VDD2 DQ10 DQ10 VDD2 DQ11 DQ11 VDD2 DQ12...
  • Page 81 REVISION RECORD ECO NO: APPROVED: DATE: RECEIVER AUDIO PA R0603_0R R738 [4,5,8,9,10,14,15] VBAT PAD701 R703 AU_HSP B0402-BK1005HM102-T GPIO_AUDIO_PA_EN PAD702 SHDN PVDD R704 R0201_NC C753 AU_HSN R751 C0603_4.7UF B0402-BK1005HM102-T R0201_12K_F U703 R733 R0402_0R C704 AW8736FCR LS_818004618 C0201_18NF B0603_PZ1608U221 R712 B751 C760 C765 C0201_220PF B0603_PZ1608U221...
  • Page 82 REVISION RECORD ECO NO: APPROVED: DATE: ALS&PS E-compass R0201_NC R812 R810 R0201_NC COMPASS_RESET [1,2,3,4,5,6,7,8,9,11][13,14] VIO18_PMU U805 U801 [3,8] SDA2 LS_STK3311-28A/35A R0201_10R VIO28_PMU[4,8,9] [3,8] SDA2 [3,8] SCL2 AK09911C R802 EINT62_PS SCL2 [3,8] [4,8,9] VIO28_PMU R801 [1,2,3,4,5,6,7,8,9,11][13,14] VIO18_PMU R0201_100K R804 R0201_0R LEDK LEDA VBAT [4,5,7,9,10,14,15] VIO28_PMU [4,8,9]...
  • Page 83 REVISION RECORD ECO NO: APPROVED: DATE: OVP¼æÈÝÉè¼Æ J901 R0402_0R R910 LS_YXT-BB1A_30S_02 R911 R0402_0R KTS1689_01 R921 R0402_0R VCHG/USB_PWR VBUS [5,9] VIO28 VIO28_PMU [4,8] [1,2,3,4,5,6,7,8][9,11,13,14] R920 R0402_0R MIPI_TDN0 ESD9NS5V-3/TR ESD9NS5V-3/TR DATA_0N IOVCC VIO18_PMU U901 D910 D902 MIPI_TDP0 DATA_0P DSI_TE EXC14CE900U Z901 OVP_ACK /ACOK OVLO R0201_100K...
  • Page 84 REVISION RECORD ECO NO: APPROVED: DATE: Flash LED Driver Main CAMERA 8M MPIE201610-2R2M-LF [4,5,7,8,9,14,15] VBAT VOUT R0201_0R L1002 R1011 VOUT MPIE201610-2R2M-LF [3,10] MCLK CMMCLK U1001 MIPI_RDP3 GPIO55_MAIN_CMPDN MDP3 PWDN EXC14CE900U Z1001 KTD265 MIPI_RDN3 MDN3 RESET GPIO44_CAMERA_RESET [3] [3,10] SDA0 RSETF GPIO80_CMFLASHLED_EN MIPI_RDP2 SCL0...
  • Page 85 REVISION RECORD ECO NO: APPROVED: DATE: Cable Clamp+Shielding SIM2 T-Flash+SIM1 SH1111 SH1112 SH1101 SH1102 AL1066_SHIELDING_RF1 AL1066_SHIELDING_BB SH1113 SH1114 LS_818002831 AL1066_SHIELDING_RF2 AL1066_SHIELDING_PMIC LS_818002831 SH1115 SH1116 R0201_NC R1132 SH1103 SH1104 J1101 AL1066_SHIELDING_RF3 AL1066_SHIELDING_SPK J1102 R1101 R0201_10R LS_CAF99-06133-0325 SH1117 SH1118 DAT0 MSDC1_DAT0 R1102 R0201_10R R1113 R0201_10R...
  • Page 86 REVISION RECORD ECO NO: APPROVED: DATE: GPS/WIFI/BT/FM WB_CTRL2 WB_CTRL3 WB_CTRL4 WB_CTRL1 WB_CTRL5 WB_CTRL0 ANT1202 ANT1201 [12] WB_AVDD18 WB_RX_IP LS_818004618 LS_818004618 C1213 C0201_100NF_10V_K WB_RX_IN C1215 C0201_100PF_25V_J R1201 U1205 R0201_0R LS_B39242B9604P810 U1204 C1203 C0201_15PF_J R1211 WBT_ANT WB_RX_QP RFDIP1608060TM7T62 INPUT WB_RX_QP R0201_0R 2.4GHZ/5GHZ OUTPUT R1210 C0201_1.8PF_25V_C...
  • Page 87 REVISION RECORD ECO NO: APPROVED: DATE: R1301 R0201_62R_F RF_TXDET [15] [14] B1/B2/B3/B4_TX_PA_IN RF_TX_BBIP RF_TX_BBIN [14] B7/B38/B40_TX_PA_IN RF_TX_BBQN [15] RF_2GHB_TX_MT6169 RF_TX_BBQP RF_RX1_BBIP [15] RF_2GLB_TX_MT6169 RF_RX1_BBIN [14] B8/B5_TX_PA_IN RF_RX1_BBQN RF_RX1_BBQP RF_RX2_BBIP [15] LTE_RFIP1_PRX_B5/GSM850_LB1 RF_RX2_BBIN [15] LTE_RFIN1_PRX_B5/GSM850_LB1 RF_RX2_BBQN RF_RX2_BBQP [15] LTE_RFIP1_PRX_B7_HB1 [15] LTE_RFIN1_PRX_B7_HB1 TST4 TST3 R1310...
  • Page 88 REVISION RECORD ECO NO: APPROVED: DATE: C1401 C0201_15PF_J [15] RF_B8_PA_OUT R0201_0R R1412 [1,2,3,4,5,6,7,8,9,11][13,14] LTE_VMIPI VIO18_PMU [14,15] C1404 C0201_15PF_J [15] RF_B28A_PA_OUT [1,2,3,4,5,6,7,8,9,11][13,14] VIO18_PMU L1416 C0201_56PF [15] RF_B28B_PA_OUT AUX_IN1_NTC L1412 C0201_56PF [15] RF_B5_PA_OUT C0201_15PF_J C1418 R1408 [15] RF_B1/B2_PA_OUT C1447 [13] RF_LB4_TX_1 B8/B5_TX_PA_IN RF_LB4_TX_PA L0201_9.1NH C0201_33PF_25V_J...
  • Page 89 REVISION RECORD VBAT [4,5,7,8,9,10,14] RF_TXDET [13] ECO NO: APPROVED: DATE: ASM_Main R1503 APC1 R0201_10K J1501 818000291 CON1500 818000500 VBATT C0201_33PF_25V_J RF_ANT_TRX_TXM C1501 C1517 50 ohm 50 ohm C1504 C0201_33PF_25V_J C0201_33PF_25V_J APC1_TXM VRAMP LTE_VMIPI [14] TRX14 MIPI1_SDATA [2] TRX13 SDATA R1505 MIPI1_SCLK [2] TRX12 SCLK...
  • Page 90 REVISION RECORD ECO NO: APPROVED: DATE: Main ANT ANT1601 ANT1602 ANT1606 LS_818004618 LS_818004618 LS_818004618 C0201_NC MAIN_ANT_GND C1634 [16] J1601 818000500 R0201_0R R0201_0R R0201_0R L1620 L1617 L1615 DRX ANT: 1805-2655MHz DRX Car Kit ANT1605 ANT1604 ANT1603 ANT1608 LS_818004618 LS_818004618 LS_818004618 LS_818004618 C0201_NC C0201_NC [16]...
  • Page 91 REVISION RECORD ECO NO: APPROVED: DATE: BPI Ctrl BLOCK DIAGRAM RXD ANT RxD Switch ANT Tuner Project : MT6737M REF_SCH TOP LEVEL AW9108 MIPI Ctrl MSDC 8-bit MSDC0/eMMC MCP_8GB-eMMC + 8Gb-LPDDR3 EMI 32-bit RF IQ DRAM IF BSI ctrl Transceiver MT6169 3G/4G PA Main ANT...

  • Page 92: Bga Pin Map

    6. BGA PIN MAP U101_MT6737_BB chip IC , Digital Baseband Processor(Top) U602_KMFNX0012M-B214,IC,MCP. eMMC+LPDDR3(Top) U401_MT6328_IC,PMIC (Top) Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 93 U101 MT6737V/WM were covered by solder mask SH1120 SHIELDING_STEELSHEET JTAG test points JTMS,JTCK,JTDI,JTDO were covered by solder mask Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only LGE Internal Use Only rved. Only training and service purposes...
  • Page 94 LG-X230ds-MAIN_TOP-4 J703 Earphone jack U701 MIC_SUB X1302 TCXO 7L26002007 U401 PMIC MT6328 J202 USB connector U702 MIC_Main X401 Crystal Oscillator 32.768KHz Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 95 LGE Internal Use Only...
  • Page 96 7. PCB LAYOUT LG-X230ds-MAIN_BOT-1 BOT-2 BOT-3 BOT-4 Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 97 J1101 SIM&SD card 2 in 1 U601 Flashlight U1001 Flash LED Driver ELCH08-NB5060J6J728 3910 SGM3785 J501 Battery connector CON1500 RF switch connector Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 98 J901 LCM connector connector ANT1606 Antenna spring For GSM/WCDMA/LTE ANT1602 Antenna spring SH1101 RF CONNECTOR For GSM/WCDMA/LTE ANT1601 Antenna spring For GSM/WCDMA/LTE Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 99 LGE Internal Use Only...

  • Page 100: Hidden Menu

    6. GCUV info - ELT auto mode test - ELT manual mode test - press test start button to start ELT test Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 101 - Recording touch key count when slide on secreen - press volume up to back Recording touch count when slide on secreen Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 102 2AP22_ML_WHQL_Ver_3.14.1 60301 Name Part No. D/L Cable USB Cable 2.0 4. USB D/L Cable setting 3. Scan comport I/O USB Cable Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 103 9. DOWNLOAD 5. Download Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 104: Calibration...........................................................104

    3.2. Calibration items setting If success，test Process will and enter “Enter” key. turn green，else will turn red. The tool will start to calibration. Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 105 1. Remove screws (13 points) 2. Disassemble Rear cover remove screws(2 screws) 5. Disassemble HW parts(1ea) 6. Disassemble HW parts(1ea) 7. Disassemble cameras Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...
  • Page 106 11. DISASSEMBLE GUIDE 8. Complete Disassembling Copyright ⓒ 2017 LG Electronics. Inc. All right rese LGE Internal Use Only rved. Only training and service purposes...

  • Page 107: Exploded View

    MKC00 Window,Camera Card Socket Can,Shield Connector,I/O MJN01 MBK10 EAG04 ACQ02 Cover Assembly,Battery Tape Can,Shield Connector,BtoB MBL01 MBK11 MJN00 MJN06 Can,Shield Tape,Camera Tape Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 108 MJN70227001 MJN70227001 MJN01 Tape MCQ69024301 MCQ69024301 MCQ043300 Damper,LCD MDS65830201 MDS65830201 MDS06 Gasket MDS65870201 MDS65870201 MDS00 Gasket MDS65850801 MDS65850801 MDS03 Gasket MDS65850601 MDS65850601 MDS04 Gasket Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 109 Tape,Camera MHK65848703 MHK65848703 MHK000002 Sheet MHK65848701 MHK65848701 MHK000000 Sheet MHK65848702 MHK65848702 MHK000001 Sheet MEZ66948501 MEZ66948501 MEZ000900 Label,After Service MJN70227501 MJN70227501 MJN05 Tape Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 110 MEV66090701 MEV66090701 MEV00 Insulator MEV66090801 MEV66090801 MEV01 Insulator ADB74878301 ADB74878301 ADB00 Dome Assembly,Metal RAA34548901 RAA34548901 RAA050100 Resin,PC 0.35 EBR84074201 EBR84074201 EBR071700 PCB Assembly,Main,SMT To Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use only reserved. Only training and service purposes...
  • Page 111 EAM64310102 EAM64310102 B704,B705 Filter,Bead EBC64155612 EBC64155612 R405 Resistor,Chip EAP63926009 EAP63926009 L1540 Inductor,Multilayer,Chip EAE64621622 EAE64621622 C1528 Capacitor,Ceramic,Chip EAP63945903 EAP63945903 L401 Inductor,Wire Wound,Chip EAE64621636 EAE64621636 C1564,C1565,C1612Capacitor,Ceramic,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 112 EAP63926038 EAP63926038 L1546,L1547,L1614 Inductor,Multilayer,Chip EAE64741901 EAE64741901 C1529 Capacitor,Ceramic,Chip EAE64621639 EAE64621639 C1606 Capacitor,Ceramic,Chip EBC64155623 EBC64155623 R203,R205,R208,R2Resistor,Chip EAN64186602 EAN64186602 U602 IC,MCP,eMMC EAP63926020 EAP63926020 L1604 Inductor,Multilayer,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 113 EAE64621634 EAE64621634 L1511,L1524 Capacitor,Ceramic,Chip EAX67344501 EAX67344501 PCB PCB,Main EAP63926011 EAP63926011 L1535,L1572,L1575 Inductor,Multilayer,Chip EAP63926010 EAP63926010 L1576 Inductor,Multilayer,Chip EAE64621631 EAE64621631 C1601,C1607,C1608Capacitor,Ceramic,Chip EBC64155636 EBC64155636 R716 Resistor,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 114 EAH63632611 EAH63632611 C1532,D401 Diode,TVS EAM64330301 EAM64330301 U1602 Filter,Separator,Switch EBC64155630 EBC64155630 R309 Resistor,Chip EBC64155608 EBC64155608 C430,C712,C733,C7Resistor,Chip EAM64270104 EAM64270104 U1505 Filter,Duplexer EBC64155617 EBC64155617 R201 Resistor,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 115 EBC64155615 EBC64155615 R606,R607 Resistor,Chip EBR84016601 EBR84016601 EBR071600 PCB Assembly,Main,SMT Bo EAE64621602 EAE64621602 C753 Capacitor,Ceramic,Chip EAE64621604 EAE64621604 C907 Capacitor,Ceramic,Chip EAE64621605 EAE64621605 C910 Capacitor,Ceramic,Chip LGE Internal Use Only Copyright ⓒ 2017 LG Electronics. Inc. All right reserved. Only training and service purposes...
  • Page 116 EAM64270108 EAM64270108 U1204 Filter,Duplexer EAM64310109 EAM64310109 B751,B752 Filter,Bead EAE64621637 EAE64621637 C1561,C1566,C1613Capacitor,Ceramic,Chip EAE64708201 EAE64708201 C1420 Capacitor,Ceramic,Chip MBK64992801 MBK64992801 MBK03 Can,Shield EAP63926025 EAP63926025 C1510,C1511,L1527Inductor,Multilayer,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 117 Resistor,Chip EAE64621629 EAE64621629 C1567,C1573 Capacitor,Ceramic,Chip EAN64448502 EAN64448502 U1203 IC,RF Amplifier EAN64506901 EAN64506901 U501 IC,Power Generator EAH63632603 EAH63632603 D1106,D1107,D1108Diode,TVS EAP63926101 EAP63926101 C1418 Inductor,Multilayer,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 118 EAM64371601 EAM64371601 R1011,R1028 Filter,Bead EAG65070101 EAG65070101 J1002 Connector,FFC/FPC/PIC EAE64621633 EAE64621633 C1442,C1444 Capacitor,Ceramic,Chip EAP63926033 EAP63926033 L1518 Inductor,Multilayer,Chip EBC64155604 EBC64155604 B714 Resistor,Chip MBK64992701 MBK64992701 MBK07 Can,Shield Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 119 EAG65110001 EAG65110001 EAG04 Connector,BtoB EAN64467801 EAN64467801 U903 IC,LED Driver EBC64155629 EBC64155629 R411,R719 Resistor,Chip EAH63632608 EAH63632608 D712,D713 Diode,TVS EAE64621616 EAE64621616 C1539,C1540,C1555Capacitor,Ceramic,Chip EBC64155606 EBC64155606 R907 Resistor,Chip Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 120 EAP63926034 EAP63926034 C1438,C1654 Inductor,Multilayer,Chip EAP63926019 EAP63926019 C1632 Inductor,Multilayer,Chip EAE64722001 EAE64722001 D503 Capacitor,Ceramic,Chip MEZ65049701 MEZ65049701 MEZ000000 Label EAE64621618 EAE64621618 C1032,C1033,C1503Capacitor,Ceramic,Chip EAG65070001 EAG65070001 EAG01 Card Socket LGE Internal Use Only Copyright ⓒ 2017 LG Electronics. Inc. All right reserved. Only training and service purposes...
  • Page 121 Box,Carton 0.00123 MAY66232702 MAY66232702 MAY010801 Box,Carton 0.0007 MAY66232703 MAY66232703 MAY010802 Box,Carton 0.001 MBEC0002901 MBEC0002901 MAY010803 Box,Carton 0.0022 MEZ63874703 MEZ63874703 MEZ084100 Label,Unit Box Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...
  • Page 122 Rechargeable Battery,Lithium MAY67584411 MAY67584411 MAY084000 Box,Unit ACQ89508302 - ACQ89508302ACQ02 Cover Assembly,Battery MCK69524302 MCK69524302 MCK004100 Cover,Battery MDJ65164301 MDJ65164301 MDJ000000 Filter MHK65745302 MHK65745302 MHK000000 Sheet Copyright ⓒ 2017 LG Electronics. Inc. All right LGE Internal Use Only reserved. Only training and service purposes...

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