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Internal Use Only
Service Manual
LG-D690
Date: Aug, 2014 / Issue 0.9

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Summary of Contents for LG D690

  • Page 1 Internal Use Only Service Manual LG-D690 Date: Aug, 2014 / Issue 0.9...
  • Page 2: Table Of Contents

    3.15 Proximity Sensor troubleshooting..........80 3.16 Power ON Troubleshooting ............82 3.17 Charging Troubleshooting .............. 86 3.18 USB Trouble shooting ............... 88 LGE Internal Use Only - 2 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 3: Introduction

    LGE Internal Use Only - 3 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 4 • When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only - 4 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 5: Performance

    MT6582 (MTK) PMIC Chip MT6323 (MTK) PMIC Chip MT6323 (MTK) RF Chip MT6166 (MTK) RF Chip MT6166 (MTK) LGE Internal Use Only - 5 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 6: Hw Features

    Data & Fax Built in Data & Fax support Vibrator Built in Vibrator BlueTooth V4.0 MIDI(for Buzzer Function) 128 Poly LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 7 Under 280 mA @ Max Power Avg. Talk current @GSM Level 5 Under 230 mA @ Tx -10dBm Avg. LGE Internal Use Only - 7 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 8: Sw Features

    Save : depends on Send / Receive / Save  content type Support video content type list 1. video/mp4 LGE Internal Use Only - 8 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 9 EDGE Class 12(Rx only) Hold / Retrieve Conference Call Max. 6 DTMF Memo pad SyncML Google Hangout Email LGE Internal Use Only - 9 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 10: Hw Spec

    Adjacent Channel Leakage > 33 dB @ ±5 MHz, Power Ratio (ACLR) > 43 dB @ ±10 MHz LGE Internal Use Only - 10 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 11 +1.5/4 Inner Loop Power Control -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 In Uplink -0.5/-1.5 -1/-3 -1.5/-4 group(10equal command group) +8/+12 +16/+24 LGE Internal Use Only - 11 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 12 Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, (BLER or R), 16QAM Only 6=15/0 BLER < 10% or R >= 700kbps LGE Internal Use Only - 12 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 13 ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8% Rx Adjacent Channel ≥ 35dB @FER ≤ 8%, Rejection interference input signal -70dBm@fc±25MHz(11Mbps) LGE Internal Use Only - 13 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 14 ※ACR shall be m easured by setting the desired signal's strength 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 14 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 15 ※ACR shall be measured by setting the desired signal's strength 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 15 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 16 BER @ 0.1%, -70 dBm < (Single Slot Packet) Sensitivity BER @ 0.1%, -70 dBm < PRBS9 (Multi Slot Packet) LGE Internal Use Only - 16 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 17 -103 ± 2dBm -100 ± 2dBm Bar 21 GSM: RSSI -105 ± 2dBm -106 ± 2dBm Bar 10 LGE Internal Use Only - 17 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 18 Over 15 Hours -.Network Mode is measured at each Band Only state. -.Current measured at LCD Off state. LGE Internal Use Only - 18 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 19 (Vol. Max) (Acoustic) (Acoustic) Earphone Earphone RLR -7±3 dB -7dB Torso type 3.3 (Vol. Max) (Ear Acoustic) (Ear Acoustic) LGE Internal Use Only - 19 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 20: Trouble Shooting

    WCDMA B2/B8 Dual PAM FL1303 WCDMA B2 Duplexer FL1305 WCDMA B1 Duplexer 4.2 SIGNAL PATH LGE Internal Use Only - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 21: Signal Path

    1. WCDMA B1 TX PATH 2. WCDMA B2 TX PATH 3. WCDMA B5 TX PATH 4. WCDMA B8 TX PATH LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 22 3. TROUBLE SHOOTING 1. WCDMA B1RX PATH 2. WCDMA B2RX PATH 3. WCDMA B5RX PATH 4. WCDMA B8RX PATH LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 23 3. TROUBLE SHOOTING 1.GSM QUAD TX PATH 2. GSM QUADRX PATH LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 24: Checking Xo Block

    The output frequency (26MHz) of XO (X4100) is used as the reference one of WTR2605 and PM8226 internal VCO. LGE Internal Use Only - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 25 3. TROUBLE SHOOTING Chack TP1 & TP2 Check Soldering and 26MHz Signal Component XO OK LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 26: Checking Femid (Gsm, W B1/B2/B5/B8) Block

    TRX1 VRAMP GSM_PA_RAMP TXEN PGND1 MODE PGND2 GND9 PGND3 PGND4 PGND5 PGND6 PGND12 PGND11 PGND10 TP1 TP2 VBAT LGE Internal Use Only - 26 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 27 Chack TP1 ~ TP4 Check Soldering and 1.4V < Voltage < 3.0V Component Check the ANT Logic in each mode LGE Internal Use Only - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 28: Checking Wcdma Block

    Check XO Block Refer to 4.3 Check FEMID Block Refer to 4.4 Check RF TRX Level Re-Download SW & Cal LGE Internal Use Only - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 29 3. 5. 2 Checking FEMID Block Refer to 4.4 3. 5. 3 Checking RF TX Level WCDMA B1 LGE Internal Use Only - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 30 TX_IN RX_OUT1 RX_OUT2 GND1 GND2 GND4 GND3 GND5 +3V4_MTK_VPA PGND VCC2 VCC1 RFOUT RFIN CPL_IN VMODE_1 VMODE_0 CPL_OUT LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 31 Check FEM Over 21dBm? Check TP3 Check Duplexer Over 21dBm? Check TP4 Check PAM Over -3dBm? Check MT6166 LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 32 +3V4_MTK_VPA PGND VCC2 VCC1 RFOUT RFIN CPL_IN VMODE_1 VMODE_0 CPL_OUT WCDMA B2 LGE Internal Use Only - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes WCDMA B2 LGE Internal Use Only...
  • Page 33 3. TROUBLE SHOOTING WCDMA B2 LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 34 CPL factor(LB) : 20.5 - 21.5dB CPL factor(HB) : 19.5dB RFOUT_LB VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB LGE Internal Use Only - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 35 Check FEM Over 21dBm? Check TP3 Check Duplexer Over 21dBm? Check TP4 Check PAM Over -3dBm? Check MT6166 LGE Internal Use Only - 35 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 36 CPL factor(HB) : 19.5dB RFOUT_LB VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB WCDMA B5 LGE Internal Use Only - 36 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 37 3. TROUBLE SHOOTING WCDMA B5 LGE Internal Use Only - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 38 CPL factor(LB) : 20.5 - 21.5dB CPL factor(HB) : 19.5dB RFOUT_LB VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 39 Check FEM Over 21dBm? Check TP3 Check Duplexer Over 21dBm? Check TP4 Check PAM Over -3dBm? Check MT6166 LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 40 CPL factor(HB) : 19.5dB RFOUT_LB VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB WCDMA B8 LGE Internal Use Only - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 41 3. TROUBLE SHOOTING WCDMA B8 LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 42 CPL factor(LB) : 20.5 - 21.5dB CPL factor(HB) : 19.5dB RFOUT_LB VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 43 Check FEM Over 21dBm? Check TP3 Check Duplexer Over 21dBm? Check TP4 Check PAM Over -3dBm? Check MT6166 LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 44 VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB 3.5.4 Checking RF Rx Level LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. WCDMA B1 Only for training and service purposes...
  • Page 45 GND3 GND4 GND5 TRX4 GND6 TRX3 TX_IN RX_OUT1 RX_OUT2 GND1 GND2 GND4 GND3 GND5 LGE Internal Use Only LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 46 Matching Compenent Check TP2 Signal exist Check FEMID Check TP3 Signal exist Check WCDMA B1 Duplexer Check MT6166 LGE Internal Use Only - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 47 GND1 PGND13 GND2 GND3 GND4 GND5 TRX4 GND6 TRX3 LGE Internal Use Only GND1 GND2 GND5 GND3 GND4 LGE Internal Use Only - 47 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 48 Check TP1 Signal exist and Matching Compenent Check TP2 Signal exist Check FEMID Check TP3 Signal exist Check Duplexer Check MT6166 LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 49 GND1 PGND13 GND2 GND3 GND4 GND5 TRX4 GND6 TRX3 LGE Internal Use Only GND1 GND2 GND5 GND3 GND4 LGE Internal Use Only - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 50 Matching Compenent Check TP2 Signal exist Check FEMID Check TP3 Signal exist Check WCDMA B1 Duplexer Check MT6166 LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 51 GND3 GND4 GND5 TRX4 GND6 TRX3 TX_IN RX_OUT1 RX_OUT2 GND1 GND2 GND4 LGE Internal Use Only GND3 GND5 LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 52 Matching Compenent Check TP2 Signal exist Check FEMID Check TP3 Signal exist Check WCDMA B1 Duplexer Check MT6166 LGE Internal Use Only - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 53: Checking Wcdma Block

    TRX3 GND7 TRX2 GND8 TRX1 VRAMP TXEN PGND1 MODE PGND2 GND9 PGND3 PGND4 PGND5 PGND6 PGND12 PGND11 PGND10 LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 54 Check TP2.3 If GSM 900, 850(TP2) over 31dBm? Check Tx Module If DCS PCS(TP3) Over 28dBm? Check MT6166 LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 55 GND7 TRX2 GND8 TRX1 VRAMP GSM_PA_RAMP TXEN PGND1 MODE PGND2 GND9 PGND3 PGND4 PGND5 PGND6 PGND12 PGND11 PGND10 LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 56 Check TP2,3 Signal exist ? Check Tx Module Check TP4,5 Signal exist ? Check GSM RX SAW Check MT6166 LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 57: Gps/Wifi/Bt Rf Component

    ANTENNA CONTACT(WIFI/BT) ANT5102 ANTENNA CONTACT(GPS) U5101 GPS LNA U5100 MT6627 3.8 GPS/WIFI/BT SIGNAL PATH 3.8.1 GPS Signal Path LGE Internal Use Only - 57 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 58: Gps/Wifi/Bt Signal Path

    3. TROUBLE SHOOTING 3. 8 GPS/WIFI/BT SIGNAL PATH 3.8.1 GPS Signal Path GPS Signal : LGE Internal Use Only - 58 - Copyright © 2014 LG Electronics. Inc. All right reserved. 3.8.2WIFI,BT Signal Path Only for training and service purposes...
  • Page 59 3. TROUBLE SHOOTING 3.8.2WIFI,BT Signal Path WIFI,BTSignal : 3.9 GPS/WIFI/BT Troubleshooting LGE Internal Use Only - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 60: Gps/Wifi/Bttroubleshooting

    Check ANT5102 inANT5102 Check TP1, TP2 TP1 C5104 is 1.8v Check U4100 TP2 R5101 is 2.8v Check U5100 LGE Internal Use Only - 60 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 61 Schematic of GPS LNA Block 3.9.2 WIFI, BT Troubleshooting Schematic of GPS LNA Block LGE Internal Use Only LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 62 Check ANT5100 substance in ANT5100 Check TP1,2 TP1 C5103 is 1.8v Check U4100 TP2 R5111 is 3.3v Check U5100 LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 63 3. TROUBLE SHOOTING +1V8_MTK_VCN +3V3_MTK_VCN +2V8_MTK_VCN +1V8_MTK_VCN Schematic of MT6627 Schematic of MT6627 LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 64: Audio

    Change the TPA2028D(U6101). Is speaker sound OK? Change the MT6323(U4100). Is speaker sound OK? Change the main PCB LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 65 2Receiver troubleshooting r control signals are generated by MT6582(U2100) and Power is supplied by MT6323(U4100). nal Use Only LGE Internal Use Only - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 66 Is receiver sound OK? Change the main PCB 4.12. 3 Main MIC troubleshooting LGE Internal Use Only - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes Main MICsignal is generate by MEMS MIC...
  • Page 67 Is voice signal OK? Change the main PCB 4. 12. 4 SUB MIC troubleshooting LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes Sub MICsignal is generate by MEMS MIC...
  • Page 68 Change the main PCB 4. 12. 5 Ear-MIC troubleshooting LGE Internal Use Only - 68 - Copyright © 2014 LG Electronics. Inc. All right reserved. Ear MIC control signal is generate by MT6323(U4100). Only for training and service purposes Earphone recognition fail...
  • Page 69 When earphone inserted, Change the MT6582(U2100) detect pin drop to 0V? Detecting earphone is well? Change the main PCB LGE Internal Use Only - 69 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 70 Disable to using headset MIC or headset receiver when voice call Disable to using headset MIC or headset receiver when voice call LGE Internal Use Only - 70 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 71 Reconnect the main PCB Change theearjack socket(J6100) Change the MT6323(U4100). Is voice signal OK? Change the main PCB LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 72: Main Camera Trouble Shooting

    Check the EMI Filter signals Change the EMI Filter CLK(TP6) DATA(TP7,TP8) Change the Camera Camera is OK? Change the main PCB LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 73 3. TROUBLE SHOOTING FL7201 FL7202 LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 74: Main Lcd Trouble Shooting

    Check the EMI Filter signals Change the EMI Filter CLK(TP6) DATA(TP7,TP8) Change the LCD LCD display OK? Change the main PCB LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 75 3. TROUBLE SHOOTING LCD_MAKER_ID PMIC_LED_C2 PMIC_LED_C1 PMIC_LED_A FL7101 OUT_P REG1 REG2 -OUT_N OUTF1 PGND1 OUTF2 PGND2 CFLY1 AGND CFLY2 0.3mm LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 76: Touch Troubleshooting

    & I2C (TP4) output Output work well? Change the Touch module Change the main board Function is OK? LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 77 3. TROUBLE SHOOTING LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 78: Accel&Compass Sensor Troubleshooting

    Change the Sensor IC (U8103 & U8104) Sensor Function is OK? Change the main board Sensor Function is OK? LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 79 3. TROUBLE SHOOTING SCL/SPC VDD_IO SDO/SA0 GND3 SDA/SDI/SDO GND2 RSTN LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 80: Proximity Sensor Troubleshooting

    & Call connected Object moved at the Proximity sensor LCD off? Change the main board Function is OK? LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 81 3. TROUBLE SHOOTING COMMON_I2C_SDA PROXIMITY_INT COMMON_I2C_SCL LEDK LEDA LGE Internal Use Only - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 82: Power On Troubleshooting

    PWR key press ->VPROC High->VSYS High -> VIO18 High -> VA28 High -> VM High ->VUSB High->VMC High -> VTCXO High ->RESETB High. MT6323 Power on sequence LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 83 X1200 PIN CHECK CLOCK CHECK1 (TP2 : X1200)? Check C2100 SYS_RESET_IN(TP3 : C2100) high? Check Battery connector (CN9100) LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 84 3. TROUBLE SHOOTING LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 85 3. TROUBLE SHOOTING -40dBm - 0dBm LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 86: Charging Troubleshooting

    (4.7 ~ 5V, TP1 : C9107)? Check +4V9_VCHG_LDO voltage Check U9100(Charger IC) (4.6 ~ 5V, TP2 : C9112)? LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 87 3. TROUBLE SHOOTING VBAT PGND BATT ISET GND1 CHGSB GND2 IEOC EN_SET LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 88: Usb Trouble Shooting

    (TP3 : C2336) is high ? USB_D_P Check FL9101, uUSB cable (TP4 : FL9101) is high? Changed the main board LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 89 3. TROUBLE SHOOTING VBAT PGND BATT ISET GND1 CHGSB GND2 IEOC EN_SET LGE Internal Use Only - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 90 3. TROUBLE SHOOTING VBUS_USB_IN GND1 GND2 +1V8_MTK_VIO LGE Internal Use Only - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 91: Download

    TOOL VERSION DLL NAME USB DRIVER Please Check the Version to “B2B” Name Part No. Software D/L Cable LGE Internal Use Only - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 92 4. DOWNLOAD LGD690 LGD690 LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 93 4. DOWNLOAD LGD690 LGD690 LGE Internal Use Only - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 94 4. DOWNLOAD LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 95 4. DOWNLOAD LGD690 LGD690 LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 96 4. DOWNLOAD LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 97 4. DOWNLOAD LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 98 4. DOWNLOAD LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 99 4. DOWNLOAD LGE Internal Use Only - 99 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 100 4. DOWNLOAD LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 101 4. DOWNLOAD LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 102 4. DOWNLOAD LGE Internal Use Only - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 103 4. DOWNLOAD LGD690 LGD690 LGD690AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD690 LGE Internal Use Only - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 104 4. DOWNLOAD LGD690 LGD690 LGD690AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD690 LGD690 LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 105 4. DOWNLOAD LGD690 LGD690 LGE Internal Use Only - 105 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 106 4. DOWNLOAD LGD690 LGD690 LGD690 LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 107 4. DOWNLOAD LGD690 LGD690 LGD690 LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 108: Block Diagram

    Hall IC AU_HPL/R GPIO_10 3.5 Phi Ear-Jack Accel / Compass Sensor Proximity Sensor Proximity Sensor GPIO_4 JACK Detect LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 109 5. BLOCK DIAGRAM [LG-D690] RF_Main Block Diagram G3 stylus(D690) RF_Main Block Diagram LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 110 5. BLOCK DIAGRAM [LG-D690] GPS_BT_WIFI_FM Block Diagram G3 stylus(D690) GPS_BT_WIFI_FM Block Diagram LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 111 5. BLOCK DIAGRAM [LG-D690] Power Block Diagram G3 stylus(D690) Power Block Diagram LGE Internal Use Only - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 112 5. BLOCK DIAGRAM [LG-D690] Audio Block Diagram G3 stylus(D690) Audio Block Diagram LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 113 5. BLOCK DIAGRAM [LG-D690] LCD Block Diagram G3 stylus(D690) LCD Block Diagram LGE Internal Use Only - 113 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 114 5. BLOCK DIAGRAM [LG-D690] Camera Block Diagram G3 stylus(D690) Camera Block Diagram LGE Internal Use Only - 114 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 115 5. BLOCK DIAGRAM [LG-D690] Sensor Block Diagram G3 stylus(D690) Sensor Block Diagram LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 116: Circuit Diagram

    WCDMA Band5 TRX1 WCDMA Band8 TRX2 WCDMA Band2 TRX3 WCDMA Band1 TRX4 GSM1800/1900 RX TRX5 GSM850/900 RX TRX6 - 116 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 117 32K_EN XMODE VXODIG 32K_XO +1V8_VDDIO +1V8_VDDIO 32K_Less +2V8_VTCXO+2V8_VTCXO +2V8_VTCXO typ. 2.5dBm typ. 3dBm Remove 3GH1_tx -40dBm - 0dBm - 117 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 118 VEN_LB GND2 RFIN_LB VBATT RFOUT_HB RFIN_HB CPL_IN GND1 VMODE CPL_OUT VEN_HB B2 TRX GND1 GND2 GND5 GND3 GND4 - 118 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 119 6. CIRCUIT DIAGRAM VREF_LPDDR3 < JTAG > - 119 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 120 D693 R2207 Band Indicator_0 NFC OK : Low, NFC No : High R2209 R2208 Band Indicator_1 Reserved R2210 - 120 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 121 6. CIRCUIT DIAGRAM - 121 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 122 6. CIRCUIT DIAGRAM +1V8_MTK_VIO +1V8_MTK_VIO +1V2_MTK_LPDDR3 DLA_1 DLA_2 DLA_3 DLA_6 DLA_4 DLA_5 - 122 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 123 6. CIRCUIT DIAGRAM X4100 FC-135 EXXY0018701 - 123 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 124 6. CIRCUIT DIAGRAM +2V8_MTK_RTC - 124 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 125 6. CIRCUIT DIAGRAM FEED ANT5100 +1V8_MTK_VCN +2V8_MTK_VCN +3V3_MTK_VCN +2V8_MTK_VCN GPS LNA FEED RFIN ANT5102 +1V8_MTK_VCN - 125 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 126 +1V8_MTK_VIO S/W_Detect SPK_L SPK_R Close to 3.5pi ear-jack ANT6100 EAG63652201 FEED FEED ANT6101 EAG63652201 Note 1 MAIN GND - 126 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 127 REG1 COMMON_I2C_SCL REG2 COMMON_I2C_SDA -OUT_N PGND1 PGND2 CFLY1 AGND CFLY2 OUTF1 OUTF2 0.3mm STROBE BLED1 BLED2 FLED1 FLED2 - 127 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 128 6. CIRCUIT DIAGRAM FL7200 FL7201 FL7202 RP114K121D-TRB U71001 VOUT - 128 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 129 6. CIRCUIT DIAGRAM < Proximity_Ambient > COMMON_I2C_SDA LD8100 PROXIMITY_INT COMMON_I2C_SCL LEDK LEDA RSTN SCL/SPC VDD_IO SDO/SA0 GND3 SDA/SDI/SDO GND2 - 129 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 130 < IO_USB2.0 > VBAT VBAT VBUS_USB_IN GND1 GND2 VREF_BAT_THERM PGND BATT ISET GND1 CHGSB GND2 IEOC EN_SET +1V8_MTK_VIO - 130 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 131 CLK2 DAT0 DAT1 Comment D690N D690 D693N D693 R9201 ERHZ0000401 ERHZ0000401 USIM 전원 변경 R9202 ERHZ0000401 ERHZ0000401 EAU62125401 - 131 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 132: Bga Pin Map

    7. BGA PIN MAP 7. BGA PIN MAP 8. BGA Pin Map MT6166 MT6166 LGE Internal Use Only LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 133 7. BGA PIN MAP MT6582 MT6582 LGE Internal Use Only - 133 - Copyright © 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 134 7. BGA PIN MAP KMQ7X000SA-B315 KMQ7X000SA-B315 LGE Internal Use Only LGE Internal Use Only - 134 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 135 7. BGA PIN MAP MT6323 MT6323 LGE Internal Use Only LGE Internal Use Only - 135 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 136: Pcb Layout

    - No Network service C8701 U8700 : Hall Sensor IC U8700 C8700 - Quick Cover not operate LG-D690_MAIN_1.0_TOP_1 - 136 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 137 8. PCB LAYOUT C8701 U8700 C8700 CN9106 LG-D690_MAIN_1.0_TOP_2 - 137 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 138 - No SD Funtion - No Power / No Charging SW1102 : RF Switch - No Netwrk Service LG-D690_MAIN_1.0_BOT_1 - 138 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 139 CN9202 : LCD Connctor CN7101 : Touch IC Connector - No LCD Funtion - No Touch Funtion LG-D690_MAIN_1.0_BOT_2 - 139 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 140: Calibration

    Power Supply_PIF Power Supply 5.3V Power Supply_Phone Power Supply 5.0V RF Test Equipment E5515C(8960) NOTICE CMW500 RF Cable connection LGE Internal Use Only - 140 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 141 9. CALIBRATION GDMS GDMS LGE Internal Use Only - 141 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 142 9. CALIBRATION LGD690 MS695 [Tachyon36]LGMS695_20120213_Calibration LGD690 LGE Internal Use Only - 142 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 143 9. CALIBRATION LGE Internal Use Only - 143 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 144 9. CALIBRATION LGD690 LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 145 9. CALIBRATION LGD690 LGD690 LGD690 LGD690 LGD690 LGD690 LGD690 LGD690 LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 146 9. CALIBRATION LGD690 LGE Internal Use Only - 146 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 147 RAD32167861 RF cable : (P/No : This is for example. You can check “C:\LGE\Tachyon\Model\D690\Setting Guide” LGE Internal Use Only - 147 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 148 (P/No : BJAY0020060) GPIB cable (IEEE-488) (P/No : BJAY0020058) This is for example. You can check “C:\LGE\Tachyon\Model\D690\Setting Guide” LGE Internal Use Only - 148 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 149 9. CALIBRATION LGE Internal Use Only - 149 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 150 9. CALIBRATION LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 151 9. CALIBRATION LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 152 9. CALIBRATION Tachyon_48 Tachyon 36 Tachyon_36 LGE Internal Use Only - 152 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 153 9. CALIBRATION 5.0V LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 154 9. CALIBRATION LGE Internal Use Only - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 155 9. CALIBRATION LGE Internal Use Only - 155 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 156 9. CALIBRATION LGD690 MS695 MS695 LGD690 LGD690 LGD690 LGD690 LGD690 LGD690 LGD690 LGE Internal Use Only - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 157 9. CALIBRATION D690 MS695 MS695 LGE Internal Use Only - 157 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 158 9. CALIBRATION D690 MS695 MS695 D690 MS695 RF900 LGE Internal Use Only - 158 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 159: Disassemble Guide

    10. DISASSEMBLE GUIDE 10. DISASSEMBLE GUIDE 1. Disassemble Battery Cover Take apart the battery cover using notch below LGE Internal Use Only - 159 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 160 10. DISASSEMBLE GUIDE 2. Disassemble Battery & Screw Take apart the battery & Stylus Pen and remove screw (12 point) LGE Internal Use Only - 160 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 161 2. Insert spatula, in the bottom right of the phone and unhook right, top and left (Back view) LGE Internal Use Only - 161 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 162 PCB 1. Take connectors off (1~3) 3. Take apart the Main PCB 2. out of the Main PCB LGE Internal Use Only - 162 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 163 10. DISASSEMBLE GUIDE 5. Complete disassembling D690 LGE Internal Use Only - 163 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 164: Exploded View & Replacement Part List

    11. EXPLODED VIEW & REPLACEMENT PART LIST This document is draft version, so the contents will be updated after registering the final one. LGE Internal Use Only - 165 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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