Page 1 Internal Use Only Service Manual LG-D686 Date : September, 2013 / Issue 0.9...
Page 2: Table Of Contents
3.13 Camera ....................106 3.14 LCD ......................110 3.15 BT/Wifi ....................113 3.16 GPS Part ....................117 3.17 FM Radio ....................122 3.18 IRRC ......................124 LGE Internal Use Only - 2 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 3: Introduction
In accordance with these agencies, you may be required to provide information such as the following to the end user. - 4 - LGE Internal Use Only - 3 - Copyright © 2013 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. - 5 - LGE Internal Use Only - 4 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 5: Performance
Part Name Comment AP Chip MT6577 (MTK) AP Chip MT6577 (MTK) CP Chip MT6577 (MTK) CP Chip MT6577 (MTK) LGE Internal Use Only - 5 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6: Hw Features
22.5 fps@ Full Size(3280*2464) 8. Main Camera (8M) View Angle 71.4˚ ± 1˚ (Diagonal) Image Scaling Down 8M(3264x2448), W6M(3264x1836), LGE Internal Use Only - 6 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7 Max 40Mbps (SDIO Driver performance) depend on environment 0 ~ 50m (depend on environment) 13. GPS type A-GPS, GNSS LGE Internal Use Only - 7 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8: Hw Spec
-35-1 * (Δf-3.5) dBc/1MHz Spectrum Emission Mask Δf = 7.5~8.5MHz -39 10 * (Δf-7.5) dBc/1MHz Δf = 8.5~12.5MHz dBc/1MHz LGE Internal Use Only - 8 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 9 LG-D685 Product SPEC 9kHz ~ 150kHz 150kHz ~ 30MHz Transmit Spurious Emission 30MHz ~ 1GHz 1GHz ~ 12.5GHz LGE Internal Use Only - 9 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10 +1.5/4 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 Inner Loop Power Control -0.5/-1.5 -1/-3 -1.5/-4 In Uplink group(10equal command group) +8/+12 +16/+24 LGE Internal Use Only - 10 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 11 Magnitude (EVM) -20 dBm with HS-DPCCH 6.3A Maximum Input Level for Receiver Pin = -25dBm BLER(%) HS-PDSCH Reception LGE Internal Use Only - 11 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12 : -98dBm/-96dBm (2.439%) AM Suppression -98dBm/-96dBm (2.439%) GSM : -31dBm - DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 12 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 13 Drift Rate Freq. Drift Carrier Frequency Drift 10101010 kHz/50us Drift Rate Freq. Drift 10101010 kHz/50us Drift Rate LGE Internal Use Only - 13 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14 Blocking Performance PRBS9 2.5 ~ 3 GHz Input power @CW -67dBm@ BT 3 ~ 12.75 GHz -67dBm@ BT LGE Internal Use Only - 14 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 15 Δf = -5MHz (CW_i) Input power @CW_i Δf = -10MHz (BT_i) -64dBm@ BT_w Maximum Input Level PRBS9 Input power @BT_w LGE Internal Use Only - 15 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 16 ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8% Rx Max input Sensitivity Rx Adjacent Channel ≥ 35dB @FER ≤ 8%, interference input signal -70dBm@fc±25MHz(11Mbps) Rejection LGE Internal Use Only - 16 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 17 ※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 - 17 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 ※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 - 18 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 19 500uA Under 500 uA 7. Backup Battery under 5uA under 5uA 7. Backup Battery under 5uA under 5uA LGE Internal Use Only - 19 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20 Under 4 hour (3140mAh battery, 1.2A TA) Under 4 hour (3140mAh battery, 1.2A TA) Under 4 hour (3140mAh battery, 1.2A TA) LGE Internal Use Only - 20 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 4% ~ 15% : One Time popup (No call) Critical Low Battery Pop-up 0% ~ 3% : Every Level change popup (No call) Power Off LGE Internal Use Only - 21 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23: Trouble Shooting
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form. LGE Internal Use Only - 23 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 3. TROUBLE SHOOTING B5 (FL103) MT6162 (U101) B1 (FL105) (FL102) B2 SKY77589 (U102) (FL106) B8 TOP Side LGE Internal Use Only - 24 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 +2V8_VTCXO_MTK is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 25 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 26 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 27 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 28 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 PAM is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 29 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 TP2(B5): C115 TP2(B1): C163 TP2(B8): C117 SKY77589 TP2(B2): C113 (U102) TP5:R105 TP3:R103 TP4:R104 TOP Side TP1:L104 BOT Side LGE Internal Use Only - 30 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 ANT_SEL1 R105 ANT_SEL2 C115 100p TP2(B5) TRX_B5_G850 TP2(B8) C117 100p TRX_B8_G900 C113 100p TRX_B2_G1900 TP2(B2) L112 L110 L113 LGE Internal Use Only - 31 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 All WCDMA_B1/B2/B5/B8 Rx check is complete. If the phone sill do not work ,replace main board LGE Internal Use Only - 33 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 B5 TRx / G850 Rx FL103 L121 TRX_B5_G850 TP1(B5): L121 L122 GND1 5.6n C150 GND2 GND5 GND3 GND4 881.5MHz LGE Internal Use Only - 34 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35 B2 TRx / G1900 Rx FL102 C137 100p TRX_B2_G1900 TP1(B2): L137 L117 2.2n GND1 C139 GND2 GND5 GND3 GND4 LGE Internal Use Only - 35 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37: Wcdma Tx Part
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form. LGE Internal Use Only - 37 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 3. TROUBLE SHOOTING B5 (FL103) MT6162 (U101) B1 (FL105) (FL102) B2 SKY77589 (U102) (FL106) B8 TOP Side LGE Internal Use Only - 38 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 +2V8_VTCXO_MTK is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 39 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 40 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 41 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 42 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 The Problem may be Logic part Whether it is higher than 1.5V Refer to Logic troubleshoot Replace U103/U104 LGE Internal Use Only - 43 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 (U103) B1/B5 TP2(B1): C166 TP3(B1/B5): C135 TP1(B1): L136 TP2(B2): C140 (U104) TP2(B8): L134 B2/B8 TP1(B2): L135 TOP Side LGE Internal Use Only - 44 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 C167 C169 C168 100p 100p 100p 2.2u R108 R109 PDET C140 R110 L118 C141 0.5p 5.6n TP2(B2)_RF out LGE Internal Use Only - 45 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 All WCDMA_B1/B2/B5/B8 Rx check is complete. If the phone sill do not work ,replace main board Figure 3.1.1 (b) LGE Internal Use Only - 47 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 B5 TRx / G850 Rx FL103 L121 TRX_B5_G850 TP1(B5): L121 L122 GND1 5.6n C150 GND2 GND5 GND3 GND4 881.5MHz LGE Internal Use Only - 48 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 B2 TRx / G1900 Rx FL102 C137 100p TRX_B2_G1900 TP1(B2): L137 L117 2.2n GND1 C139 GND2 GND5 GND3 GND4 LGE Internal Use Only - 49 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 PAM is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 50 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 TP2(B5): C115 TP2(B1): C163 TP2(B8): C117 SKY77589 TP2(B2): C113 (U102) TP5:R105 TP3:R103 TP4:R104 TOP Side TP1:L104 BOT Side LGE Internal Use Only - 51 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 ANT_SEL1 R105 ANT_SEL2 C115 100p TP2(B5) TRX_B5_G850 TP2(B8) C117 100p TRX_B8_G900 C113 100p TRX_B2_G1900 TP2(B2) L112 L110 L113 LGE Internal Use Only - 52 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54: Gsm Rx Part
* There are no Test Points on the IQ Data Line. So It is impossible to check the IQ Data Wave form LGE Internal Use Only - 54 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 DPX GSM850 (FL103) MT6162 (U101) DPX (FL106) GSM900 SAW (FL101) GSM1800 SKY77589 DPX (FL102) (U102) GSM1900 TOP Side LGE Internal Use Only - 55 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 +2V8_VTCXO_MTK is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 56 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 57 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 58 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 59 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 PAM is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 60 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 TP2(G850): C115 TP2(G900): C117 TP2(G1800): L103 SKY77589 TP2(G1900): C113 (U102) TP5:R105 TP3:R103 TP4:R104 TOP Side TP1: L104 BOT Side LGE Internal Use Only - 61 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 PGND3 PGND4 PGND5 PGND6 PGND12 PGND11 PGND10 VBATT C126 C127 C128 6.8p R103 ANT_SEL0 R104 ANT_SEL1 R105 ANT_SEL2 LGE Internal Use Only - 62 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 L101 1.2n RX_G1800_INP FL101 G1 O1 L103 L102 8.2n G2 O2 L106 1.2n 1842.5MHz L105 RX_G1800_INN 5.6n TP2(G1800) LGE Internal Use Only - 63 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 To Figure 3.1.1(b) Is any signal detected at that point Check anything point SAW filter is OK. Replace main B/D. LGE Internal Use Only - 64 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 TOP Side L101 1.2n RX_G1800_INP FL101 G1 O1 L103 L102 8.2n G2 O2 L106 1.2n 1842.5MHz L105 RX_G1800_INN 5.6n LGE Internal Use Only - 65 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67: Gsm Tx Part Troubleshooting
3.4 GSM Tx Part Troubleshooting 3.4.1 GSM850/900/DCS/PCS Tx DPX (FL103) MT6162 (U101) DPX (FL105) DPX (FL102) SKY77589 DPX (FL106) (U102) TOP Side LGE Internal Use Only - 67 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 +2V8_VTCXO_MTK is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 68 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 69 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 70 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 C112 REFCLK1 SYSCLK REFCLK2 REFCLK3 +2V8_VTCXO_MTK VDDXO U101 C114 XO1/REFIN MAIN_CLK_26MHz VTUNE C118 0.1u CLK_MODE C119 VSUP2b GND1 LGE Internal Use Only - 71 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 The Problem may be Logic part at U102. Is any DC signal detected Refer to Logic troubleshoot at that points? Replace U102 LGE Internal Use Only - 72 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 3. TROUBLE SHOOTING TP3:R103 TP4:R104 (U102) TP5:R105 TP2(850/900) TP2 (DCS/PCS) : C176 : C177 TOP Side TP1: L104 BOT Side LGE Internal Use Only - 73 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 VBATT C126 C127 C128 6.8p 100p 100p C129 C177 TX_GSM850_GSM900 R103 ANT_SEL0 C130 R104 ANT_SEL1 TP2(DCS/PCS) R105 ANT_SEL2 LGE Internal Use Only - 74 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75: Power
3.5 Power The main power source of D685 is provided by 1 chip which is MT6329 The main power source of D686 is provided by 1 chip which is MT6329 Power ON sequence of D685 is Power ON sequence of D686 is...
Page 76 Voltage level? R322(Check MT6577) Check MT6329 RTC CLOCK Change MT6329 Check Battery connector (CN601) And Return to Start LGE Internal Use Only - 76 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 For MTK Fuel Gauge R618 BATT_TEMP_ADC R620 ZD602 C618 C619 C620 C621 VA601 6.8p BATT_ID_PULLUP BATTERY CONNECTOR(CN601) R623 BATT_ID LGE Internal Use Only - 77 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 IO DC/DC INDUCTOR(L303) L304 4.7u VPA_1 +3V4_VWPAM_MTK VPA_2 C337 VPA_FB 2.2u L305 2.2u VRF18 +1V8_VRF_MTK C339 4.7u VRF18_FB LGE Internal Use Only - 78 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 Core DC/DC INDUCTOR(L301) BATTERY CONNECTOR(CN601) IO DC/DC INDUCTOR(L303) BOT Side PWR KEY Clip PWR KEY(R706) TP1 TOP Side LGE Internal Use Only - 79 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80: Charging
3. TROUBLE SHOOTING 3.6 Charging D686 uses Switching Chaging IC for charging control. The Chaging IC(MAX8971EWP) circuit includes the charging pass transistor detects the VDD and VBAT voltages, and its control driver. The Chaging IC(MAX8971EWP) maximum charging current is set around 1.2A.
Page 81 Is it charging properly After turning on? Change the Charger IC ( U606 ) Connection OK? Change the Main PCB LGE Internal Use Only - 81 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82: Usb
Change the Main PCB USB_ID USB_DP VMIC USB_DN MIC_N SPK_LP MIC_P SPK_LN SPK_RP KCOL1_F SPK_RN KROW1_F LED_B LED_G LED_R VCHG_OVP_IN LGE Internal Use Only - 82 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83: Audio
MIC1 MIC1 EAR_L/R Headphone MIC2 MIC2 3.5 pi SPK Boost AMP Dual SPK HP L/R SPK Boost AMP LGE Internal Use Only - 83 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 Hear the sound to the Speaker? Change Speaker Module? Check Lower FPCB and Main PCB. (C508,C507,C506,C505, FB504,FB502,FB501,FB503, L1001~L1004)Speaker Sound OK? Change Main Board LGE Internal Use Only - 84 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 3. TROUBLE SHOOTING U502 C507,508 FB502,504 U501 C506,505 FB501,503 Speaker Module L1001~L1004 LGE Internal Use Only - 85 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 L1003,L1004 L1001,L1002 L1003 L1001 SPK_RN ANT10000 FEED SPK_LP ANT10001 FEED L1004 L1002 SPK_LN SPK_RP ANT10002 FEED ANT10003 FEED LGE Internal Use Only - 86 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 Receiver Contact is OK? Change Receiver Module. Can you hear a sound? Check main board part FB505,FB506 Change Main Board LGE Internal Use Only - 87 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 You must check first voice recording test. After voice recording you can hear a recording sound, receiver path or parts is something wrong. LGE Internal Use Only - 88 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 Check parts about Mic Bias Mic works well? Change MIC10000 or MT6577(U201). Mic works well? Change Main Board LGE Internal Use Only - 89 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 3. TROUBLE SHOOTING Check Main Mic hole. Check C250, C252 and VMIV voltage level (C251) LGE Internal Use Only - 90 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 Check parts about Mic Bias Mic works well? Change Mic (MIC501) Mic works well? Change MT6577(U201). Mic works well? Change Main Board LGE Internal Use Only - 91 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 In case of Test menu, loopback 2nd Mic test and Camcorder recording. 2nd Mic Hole Check C255, C256, C535 and VMIC voltage level (C251) LGE Internal Use Only - 92 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 Check the left signal and detection line short when headset inserted? Change MT6577(U201). Mic works well? Change Main Board LGE Internal Use Only - 93 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 3. TROUBLE SHOOTING Case A. Disable detected headset insert. Ear Jack Connector Check Part about earjack detect (FB508, R507, R516) LGE Internal Use Only - 94 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 Sound play via headset? Check TPA6136(U503) and peripheral circuits Works well? Check MT6577(U201). Works well? Change Main Board LGE Internal Use Only - 95 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 In case of you can’t heard anything, check C518~521 Can heard sound but sound is abnormal, check C533,C534 LGE Internal Use Only - 96 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97: Axis Sensor
+1V8_VIO_MTK +3V0_SENSORS_MTK I2C_COMMON_SDA 100K R608 I2C_COMMON_SCL 3AXIS_INT INT1 U604 VDDIO INT2 GND3 COMPASS_DRDY DRDY C609 C610 100n 100n LGE Internal Use Only - 97 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 Change the 6 AXIS Sensor IC(U604) 6 AXIS Sensor function is OK? Change the main board 6 AXIS Sensor function is OK? LGE Internal Use Only - 98 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100: Proximity Sensor
Check +3V_PROX_AMBIENT(TP1) & I2C_SENSOR_SDA & SCL & PROX__INT Output work well? Change the main board Function is OK? LGE Internal Use Only - 100 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 Sensor Power: TP1 (C607) +3V0_SENSORS_MTK +1V8_VIO_MTK U603 R627 I2C_SENSOR_SDA R628 I2C_SENSOR_SCL PROX_INT LEDK LEDA Sensor Power: TP1 C607 (C607) 2.2u LGE Internal Use Only - 101 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102: Touch Sensor
Check I2C Line & Signal Line (TP3 &TP4) Touch Works OK? Change Touch Module Touch Works OK? Change Main Board LGE Internal Use Only - 102 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 TP1 (VA405) +3V0_TOUCH_ MTK : TP2 (VA407) +1V8_VIO_MTK : TP1 (VA405) +3V0_TOUCH_ MTK : TP2 (VA407) TP3(VA403) TP4(VA404) LGE Internal Use Only - 103 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104: Vibrator
Check Power 3.0V Motor Power is OK? Check Main PCB VB601 Pad. Is it Normal? Change Main Board LGE Internal Use Only - 104 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 3. TROUBLE SHOOTING MOTOR MOTOR NON Q-COIN R615 VB601 VB601 L601 R616 +3V0_VIBR_MTK C613 VA602 VB601 LGE Internal Use Only - 105 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106: Camera
Check the camera signals MCLK(TP4),MIPI_ Change the Main board CLK(TP5), MIPI_DATA(TP6) Change the Camera Camera is OK ? LGE Internal Use Only - 106 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 2.2u 2.2u DVDD: TP3(C425) 2.2u 2.2u MIPI_CLK: TP5 MIPI_DATA: TP6 VIO: TP1 AVDD: TP2 DVDD: TP3 MCLK: TP4 LGE Internal Use Only - 107 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 Camera is OK ? Check VIO(TP1), AVDD(TP2 ),DVDD(TP3) Change the Main board Change the Camera Camera is OK ? LGE Internal Use Only - 108 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 CAM_DATA0_P_1.3M AVDD: TP2(C433) CAM_MCLK I2C_COMMON_SDA I2C_COMMON_SCL VIO: TP1(C432) VT_CAM_RESET_N ZD401 ZD402 ZD403 VIO: TP1 AVDD: TP2 DVDD: TP3 LGE Internal Use Only - 109 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110: Lcd
Change the LCD Module MIPI_CLK (TP3), MIPI_DATA (TP4) LM3639(U404) output LEDA(TP5) Change the Main Board The LCD works LGE Internal Use Only - 110 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 I2C_COMMON_SDA Width : 0.3mm FLASH_EN STROBE BLED1 LED_C1 Width : 0.3mm BLED2 LED_C2 FLASH_LTD FLED1 LCD_PWM FLED2 LD401 LGE Internal Use Only - 111 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 3. TROUBLE SHOOTING MIPI_DATA: TP4 VCI: TP1 (C411) (FL402) VIO: TP2 (C410) MIPI_CLK: TP3 (FL401) LEDA: TP5 (C414) LGE Internal Use Only - 112 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 113: Bt/Wifi
R704 C708 C705 R701 R702 CN601 C111 SW102 R703 C704 SW101 C512 U502 C511 R717 R716 R718 LGE Internal Use Only - 113 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes ANT805...
Page 114 ANTSEL_0 VCTL2 C841 VCTL1 ANTSEL_1 C873 C872 C844 8.2p Close to Pin A3 C850 100p WIFI_TX C853 C854 LGE Internal Use Only - 114 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 FM_VSS1 100n 100n C839 0.1u 0.1u 3. Make star connection for AVDD13 (Both E6,E7 and E4,C4,G1) C851 100n LGE Internal Use Only - 115 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 Replace FL803 Check the signal level at TP5(FL803) Replace ANT804 Check the Antenna Clip (ANT804) BT-WiFi will work properly LGE Internal Use Only - 116 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117: Gps Part
C708 R704 C705 R701 R702 CN601 C111 SW102 R703 C704 SW101 C512 U502 C511 R717 R716 R718 LGE Internal Use Only - 117 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes ANT805...
Page 118 R704 C708 C705 R701 R702 CN601 C111 SW102 R703 C704 SW101 C512 U502 C511 R717 R716 R718 LGE Internal Use Only - 118 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes ANT805...
Page 119 L802 L803 C815 C816 0.1u C821 4.7n R803 RF_INP_GPS FIL_OUT U802 L808 GPS_LNA_EN C825 6.8p Near To LNA LGE Internal Use Only - 119 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120 AVSS28_OSC C834 C835 AVSS13_RX_GPS AVSS13_SXIF_GPS 100n 100n C851 100n +2V8_TCXO_LDO X801 7L26002009 C852 OSC1_GPS OUTPUT GND_NC C855 26MHz LGE Internal Use Only - 120 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121 Check the signal level at TP4 (FL600) Replace ANT601 Check the Antenna Clip TP2 (ANT601) GPS will work properly LGE Internal Use Only - 121 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122: Fm Radio
3.17 FM Radio L503,R515,L504 +1V8_VIO_MTK R516 HS_JACK_DET EAR_L EAR_R L503 100n FM_ANT L503 L504,R513 C533 C534 L504 R513 100n LGE Internal Use Only - 122 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 Give the addition solder in (R515,L504,L503) Good? (R515,L504,L503) Check Bias Voltage Replace U801 Good? FM will work properly LGE Internal Use Only - 123 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124: Irrc
3. TROUBLE SHOOTING 3.18 IRRC TP2: LD601 (+2V8_IrRC_LDO) TP3 (IRRC_TX) TP4 (LINE_OUT_IRRC) TP1: C530(+2V8_IrRC_LDO) LGE Internal Use Only - 124 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125 U605 Q601 R612 Q602 LINE_OUT_IRRC ZD601 C612 0.1u +2V8_IrRC_LDO TP1: C530(+2V8_IrRC_LDO) RP101K282D U608 VBATT VOUT IrRC_LDO_EN C629 C630 LGE Internal Use Only - 125 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 Check TP2 Is it right? Check TP3 right? Check TP4 right? Entire PCB looks being damaged Replace U605 LGE Internal Use Only - 126 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127: Download
TOOL VERSION DLL NAME USB DRIVER Please Check the Version to “B2B” Name Part No. Software D/L Cable LGE Internal Use Only - 127 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 4. DOWNLOAD LGD686 LGD686 LGD686AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD686 LGE Internal Use Only - 139 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140 4. DOWNLOAD LGD686AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD686 LGD686 LGE Internal Use Only - 140 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144: Block Diagram
JTAG Accelerometer IrRC I2C1 Compass Volume BTN 5Pin u-USB Proximity I2C0 Switching I2C0 Dual SIM Charging IC USIM LGE Internal Use Only - 144 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 LNA6N TRX1 Rx_DCS FILTER VDD_28b PMIC LNA6P GPA_PA_EN BPI_BUS5 TX_EN VRAMP GPA_PA_RAMP BPI_BUS0 MODE BPI_BUS1 BPI_BUS2 VSW_EN ANT_SEL0~2 LGE Internal Use Only - 145 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146 CLKM USIM2_CLK SCLK2 CLK2 USIM2_DATA SIO2 USIM2_RESET_N SRST2 RST2 +1V8_VIO_MTK +3V0_VSIM2_MTK VIO18 VSIM2 VCC2 +3V3_eMMC_MTK +1V2_VLPDDR2_MTK VM12_1 LGE Internal Use Only - 146 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147 5. BLOCK DIAGRAM HW Block Diagram : LCD(MIPI 5.5”, LGD) / Touch [LG-D686] HW Block Diagram : LCD(MIPI 5.5”, LGD) / Touch +2V8_LCD_VCC_MTK VCAMD MT6577 +2V8_LCD_VCI_MTK VCAMA +1V8_LCD_VIO_MTK VCAM_IO DVDD_+5V5 DSV_EN DVDD_- 5V5 LED_A Backlight I2C_COMMON_SCL LED_C1 SCL_1 +Camera Flash...
Page 148 OUT2 MIPI 4 LDO +1V8_CAM_VIO OUT3 +2V8_CAM_VCM OUT4 STORBE FLED1 Backlight+ FLED2 Camera Flash FLASH_LTD (LM3639) Battery +VBAT LGE Internal Use Only - 148 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149 AU_VIN2_N HPH_R Headphone amp EAR_L HPRP TPA6136 EAR_R Headset_AMP_EN EARMIC_BIAS EARBIAS RCV_P EARMIC_P AU_VIN1_P RCV_N EARMIC_N AU_VIN1_N Headset LGE Internal Use Only - 149 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150 SDA_0 COMPASS_DRDY KP_ROW4 DRDY Hall IC BU52031NVX HALLIC_INT EINT1 PROXIMITY SENSOR PROX_INT APDS-9130-200 EINT3 +3V0_SENSORS_MTK VCAM_AF +1V8_VIO_MTK VIO18 LGE Internal Use Only - 150 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151 MSDC2_DAT1 PMU_EN MT6329 BGF_INT_B BGF_INT_B BT,WIFI,GPS EINT2 WIFI_INT_B WIFI_INT_B ENT1 INTERRUPT SYSRST_B_6620 SYSRST_S DAIRSTB RTCCLK 32K_OUT RTCCLK 32.768kHz LGE Internal Use Only - 151 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152: Circuit Diagram
RX_B2_G1900_INP R108 R109 PDET C140 L117 2.2n R110 GND1 C139 GND2 GND5 L118 GND3 GND4 C141 0.5p 5.6n - 152 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153 X-TAL_IN HALLIC_INT 32.768KHz C260 C261 SC218 SC221 CHARGER_IRQ_B R216 For MT6620 PMU +2V5_AVDD1_MTK R217 DRAWN BY User Name - 153 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 VA2_BUF BL_PWM HOMEKEY 1.8-2.8V,2mA VRTC +2V8_VRTC_MTK C340 VRET FGN_IC C342 R321 32K_IN GND_VREF RTCCLK_D CHG_DP CHD_DP CHG_DM CHD_DM - 154 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 155 CAM_CLK_N CLKN DA1N CAM_DATA0_N_8M CAM_DATA0_P_8M TOUCH_ID CAM_CLK_P CLKP DA1P CAM_CLK_N_8M CLKAN CN406 CAM_CLK_P_8M ZD401 ZD402 ZD403 CLKAP C434 - 155 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 EARMIC_P C530 C531 C533 C534 L504 100n R513 Close to 3.5pi ear-jack R515 FM_RX_IN_N MAIN GND R514 HP_AMP_SGND - 156 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157 C621 I2CIN VA601 6.8p CHARGER_IRQ_B IRQB BATT_ID_PULLUP I2C_SENSOR_SDA R623 I2C_SENSOR_SCL BATT_ID HALL IC +1V8_VIO_MTK U607 HALLIC_INT C627 100n - 157 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 SPK_RP SPK_RN KROW1_F for Home Key LED_B LED_G D706 D705 LED_R C713 C712 R712 C714 VCHG_OVP_IN 470p C715 - 158 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159 RX/SCLK/SCL FEED 100p 2.2u EMI Filter Closed to MICROREAD I2C_SENSOR_SCL NFC_FET_0 NFC_IRQ I2C_SENSOR_SDA +1V8_VIO_MTK R814 R815 C870 100n - 159 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 C10004 LED_G KROW1_F 0.5p D10002 D10003 D10004 SW10000 KCOL1_F LD10001 R10003 R10004 R10005 D10005 D10006 D10007 CL-425F-UCC-SD-TS EAV62094101 - 160 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161: Bga Pin Map
7. BGA PIN MAP 7. BGA PIN MAP U101 MT6162 (Transceiver) U101 MT6162 (Transceiver) Not Used LGE Internal Use Only - 161 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 7. BGA PIN MAP U201 MT6577 (Digital Baseband Processor,3G) U201 MT6577 (Digital Baseband Processor,3G) Not Used LGE Internal Use Only - 162 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163 7. BGA PIN MAP U301 H9TP65A8JDACPR U301 H9TP65A8JDACPR Not Used LGE Internal Use Only - 163 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 165: Pcb Layout
C717 C716 D703 R711 C712 D706 R712 D707 C714 D708 D705 D709 FB701 C719 FB702 D704 C713 LG-D686_MAIN_EAX65429401_1.0_TOP - 165 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166 Function : SUB FPCB connector C715 - no, speaker, - no Download, - no voice, - no Motor LG-D686_MAIN_EAX65429401_1.0_BOT - 166 - LGE Internal Use Only Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 167: Calibration
I/O Cable RF Cable_Main Power Supply_PIF Power Supply 5.3V Power Supply_Phone Power Supply 5.0V RF Test Equipment E5515C(8960) NOTICE LGE Internal Use Only - 167 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168 9. CALIBRATION D686 MS695 [Tachyon36]LGMS695_20120213_Calibration LGE Internal Use Only - 168 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 9. CALIBRATION D686 LGD686 LGD686 LGD686 LGD686 LGD686 LGD686 LGD686 LGD686 LGE Internal Use Only - 172 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174 5.0V RF cable : (P/No : “RIF-200 and phone” are connected in 5P E-SATA DC_Plug 5P E-SATA DC_Plug LGE Internal Use Only - 174 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 9. CALIBRATION LGD686 LGD686 LGD686 LGD686 LGD686 LGD686 LGD686 LGE Internal Use Only - 183 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186: Hidden Menu
8. Touch Draw Test 9. Motion Sensor Test 10. GPS BT WIFI Test 11. FM Radio Test 12. LoopBack Test LGE Internal Use Only - 186 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 Phone contact with your fingers in the top of the sensor determine the sensor response - Far - Near LGE Internal Use Only - 187 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 Display check Test : LCD Black & White test • Check the Black display • Check the White display LGE Internal Use Only - 188 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 : Check sound • Check the sound Vibrator test A case-by-state vibration tests Touch window test Write with finger LGE Internal Use Only - 189 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 • Check the FM Radio Audio Loopback Test • Check the Receiver loopback • Check the speaker loopback LGE Internal Use Only - 190 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 - Vibrator - Camera - Audio Loopback -> test on the device is working (The ability to use plant) LGE Internal Use Only - 191 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 • Check the SD card • Check Ear phone(jack) • Chck Barometer : N/A - Ejected ear jack is normal LGE Internal Use Only - 192 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 - Block Touch Test - Circle Touch Test - Pinch In/Out Test - Touch Key Test - Firmware Version LGE Internal Use Only - 193 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 Vibrator test list - On/Off - Duration Camera test list - Snapshot - Camcoding - CameraVT - Camera Aging LGE Internal Use Only - 194 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 • Check the GPS scanning • Check the GLONASS scanning • Check the WIFI scanning • Check the BT scanning LGE Internal Use Only - 195 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 • Battery Mode of Charging • Battery Level • Battery Technology • Battery Voltage • Battery Temperature Device Test - ETC(ADC Info) LGE Internal Use Only - 196 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 - Build finger print Normal Mode : Change to Normal Mode ALC Mode : Change to ALC Mode LGE Internal Use Only - 197 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 - USB Set for Data - BT Set for Data - UART Set for Data - Null port LGE Internal Use Only - 198 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 - > Speech Enhancement - > Debug Info - > Speech Logger - > Audio Logger Camera - Camera Clock Settings LGE Internal Use Only - 199 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 10. HIDDEN MENU Bluetooth Settings ERS Settings - Client Status - ERS Test ADC Info LGE Internal Use Only - 200 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 - DRM Test - Contacts Test - Log service - Flex test - SMPL Counter - North America APN Settings LGE Internal Use Only - 201 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 - Dual Talk NetworkInfo - Modem Test - Network Setting - GPRS - Fast Dormancy - Simme Lock LGE Internal Use Only - 202 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 - Memory - Power - SD Card Test - TouchScreen - USB Location - Location Based Service - YGPS LGE Internal Use Only - 203 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 - LCD Always On - FS_TEST - Hidden Reset - Heap Free Info - Stability Test - Charging Test LGE Internal Use Only - 204 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205 - Change UAString - View UAString - Edit UAString - Enable/Disable X-wap-profile - Display Certificates - Change UAPROFILE LGE Internal Use Only - 205 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206 Enable of disable creating below log files. - Maing log - System log - Radio log - Events log - Kernel log LGE Internal Use Only - 206 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 10. HIDDEN MENU WCDMA Only – Flex Test SMPL Counter North America APN Settings LGE Internal Use Only - 207 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208 Fake Language Switch to Fake language mode On/Off GPS Test gpsApp Test gpsApp Test Test Air Test(Enable / Disable) LGE Internal Use Only - 208 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210: Disassemble Guide
2. Remove Battery and Stylus Pen 3. Remove 9 Point Screws From Rear 4. Remove Cover Rear Assy LGE Internal Use Only - 210 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 2. Disassemble Main PCB Remove FPCB CONNECTOR 5EA and COAXIAL CABLE CONNETOR from PCB Remover 4 Point Screws From Main Ant LGE Internal Use Only - 211 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212 Remove Main Ant and Cap Receiver Assy, VT Cam, Main Cam, Motor, Earjack, Rf Cable Remove 2 Screws From Lower Fpcb LGE Internal Use Only - 212 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214: Exploded View & Replacement Part List
12. 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 - 214 - Copyright © 2013 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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