Page 1 Internal Use Only Service Manual LG-D620 Date: April, 2014 / Issue 1.0...
Page 2: Table Of Contents
3.12 Audio .....................138 3.13 LCD ......................151 3.14 Touch .....................153 3.15 Sensor ....................155 3.16 USB ......................159 3.17 Camera ....................161 LGE Internal Use Only - 2 - 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: Specifications
Android Market™ – browse and download thousands of free and paid apps from around the world† • Live Wallpaper – dynamic, animated backgrounds LGE Internal Use Only - 5 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6 Music Library – Organized by Artists, Albums, Songs, Genres, Folders and Playlists • Repeat and Shuffle Music Playback Modes LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7 Gmail, Market, Messaging, Music, Phone, Settings, Voice Dialer, Voice Recorder, Voice Search • Wi-Fi Connectivity – IEEE 802.11b/g/n LGE Internal Use Only - 7 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8 LTE B8 880-915 925-960 LTE B20 832-862 791-821 BT/WiFi 2400 MHz ~ 2483.5 MHz 1574.42 MHz ~ 1576.42 MHz LGE Internal Use Only - 8 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 9 Bluetooth Hands-free kit (Optional) • Stereo Headset (Optional) • Vehicle Power Charger (VPC) (Optional) • Quick Window Cover (Optional) LGE Internal Use Only - 9 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 10: Performance
PCS1900 TX : 1850 – 1910 MHz PCS1900 RX : 1930 – 1990 MHz Application Standard WAP 2.0 LGE Internal Use Only - 10 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 11: Main Parts : Main Chipset Solution
PCS 1900: -105dBm EDGE compatibility EDGE Class 33 GPRS compatibility GPRS Class 33 EDGE compatibility EDGE Class 33 LGE Internal Use Only - 11 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 12 Blue Tooth Bluetooth 4.0 + BLE MIDI(for Buzzer SW Decoded 72Poly Function) MP3/WMA/AAC/MIDI/EAAC+/HEAAC/O Music Player Video Player MPEG4, H.264 LGE Internal Use Only - 12 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 13 Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Data Cable T-Flash Yes ( Up to 32GB ) (External Memory) LGE Internal Use Only - 13 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 14: Sw Features
Memory User Memory MP3(Music Contents) Java Contents Wallpaper Ringtone External memory support SDA2.0 (microSD) specification, up to 32GB LGE Internal Use Only - 14 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 15 JPEG JPEG Decoding Min, Max Supported by Gallery Panorama Shot Album& Supported by Gallery Slide show Slide show LGE Internal Use Only - 15 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 16 Real Time Recoding TV-Out Audio Multimedi Voice Codec AAC /AAC+/ EAAC+ MP3, WAV Midi Type0, Midi Type1, Midi SP-MIDI LGE Internal Use Only - 16 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 17 Partially suppor HTML4.01 t - HTML 5 MIDP J2ME support Game & Java Contents CLDC Call Management Call waiting LGE Internal Use Only - 17 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 18 0min, Never Dual Clock widget Last Dialed Number Last Received Number Normal Features Last Missed Number Scratch Pad Memory LGE Internal Use Only - 18 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 19 Read Cell Broadcast Cell Broadcast Categories Supportsfilteringwithlanguage IDs (Germ Cell Broadcast Cell Broadcast Message La an,Italian,French,Spanish,Dutch,Swedish,D nguage anish,Portuguese,Finnish,Norweggian ,Greek,Turkish,Hungarian,Polish,Czech) LGE Internal Use Only - 19 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 20 Last Call Charge Units Total Call Timer Call Cost Total Charge Units Visible, Audible Call Ti me/Cost Indication LGE Internal Use Only - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 21 All incoming Calls when roamin Conference Call up to 5 calls Plug In Type SIM Lock SIM Toolkit Prepaid SIM Operation LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 22 Max 300kbyte Picture Attachable Video MMS Max 300kbyte Moving Picture Attachable Voice Attachable Multimedia Messaging Help Menu Others LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 23 Sound Contents Stutter Sound Flip tone can be enable or disable butt Button tone on press sound. Others LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 24 Calculator Calculation Phone Book Sync PC Sync PC suite support message vi Message Sync ewing and sending.(not sync) LGE Internal Use Only - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 25 5min, 10min Dimming Clock External power 15s, 30s, 1min, 2min, 5min, 10min Power-off Alarm Display On Alarm Event LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 26: Hw Spec
: -98dBm/-96dBm (2.439%) AM Suppression GSM : -31dBm -98dBm/-96dBm (2.439%) DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 26 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 27 < 17.5 %, when Pout ≥ -20 dBm < -15 dB at Pout  -20 dBm Peak Code Domain Error LGE Internal Use Only - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 28 +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 - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 29 > 33 dB @ ±5 MHz > 43 dB @ ±10 MHz Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm LGE Internal Use Only - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 * Under by rules of 3GPP TS 36.521-1 Standard ※Under by rules of 3GPP TS 36.521-1 Standard ※Under by rules of 3GPP TS 36.521-1 Standard LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 < -47 dBm / 1 MHz BW @ 1 GHz ≤ f ≤ 12.75 GHz ※Under by rules of 3GPP TS 36.521-1 standard. * Under by rules of 3GPP TS 36.521-1 standard. LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32 ≥ -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 - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 ※ACR shall be measured by setting the desired signal's str ength 3 dB above the rate-dependent sensitivity specified in min input sensitivity LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 ※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 - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35 Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.35V LGE Internal Use Only - 35 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 36 48% -> 47% Bar 10 -> Bar 9 48% -> 47% Bar 10 -> Bar 9 48% -> 47% LGE Internal Use Only - 36 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37: Trouble Shooting
The output frequency(19.2MHz) of XO(X4100) is used as the reference one of WTR1625L and PM8926 internal VCO X4100 <Main Top> LGE Internal Use Only - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 XO Circuit is OK. Check next step The Problem may be Logic part Refer to Logic trouble shoot LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39: Checking Transceiver Dc Power Supply Circuit Block
PRX_LB4_IN GNSS_BB_IP WTR0_GNSSBB_I_N PRX_MB1_IN GNSS_BB_IM WTR0_PRX_MB1_IN WTR0_GNSSBB_Q_P PRX_MB2_IN GNSS_BB_QP WTR0_PRX_MB2_IN WTR0_GNSSBB_Q_N WTR0_PRX_MB3_IN PRX_MB3_IN GNSS_BB_QM WTR0_PRX_HB1_IN PRX_HB1_IN U1500 WTR1625L LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 The Problem may be Logic part Check TP2 +2.05 V is OK? Refer to Logic trouble shoot Check next step LGE Internal Use Only - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41: Checking Dc-Dc Block
<Main Top> +VPWR C1557 C1555 0.1u +VPA0 ACB2 ACB1 L1215 1.5u GPO1 C1544 C1556 3.3n +1V8_VREG_L10 BGND RFFE1_CLK RFFE1_DATA LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 Check U1000 Physical Damage or Check TP4 soldering condition 0.5V ≤ TP4 ≤ 3.8V ? Check next step LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43: Checking Femid Block (Gsm, W B1/2/5/8, Lte B1/2/3/7/8/20)
SCLK TRX4 ANT_TX_B40 GND1 TRX3 ANT_PRX_B40 GND2 TRX2 B1_RX GSM_LB_TX FEMID_TX_GSMLB FL1201 GND3 GSM_HB_TX FEMID_TX_GSMHB LMSW54GM-G27 GSM_HB_RX B8_TX LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 The Problem may be Logic part Check TP2 High Level ? (1.65V≤TP1 ≤1.95V) Refer to Logic trouble shoot Check next step LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45: Gsm Rf Part
Check Transceiver DC Power supply Block Refer 3.2 Check FEMid Block Refer 3.3 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 FL1201 SW1101 1. GSM850 RX PATH 2. GSM900 RX PATH 3. GSM1800/1900 RX PATH 4. COMMON T/RX PATH LGE Internal Use Only - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 47 3.5.1.1 Checking RF signal path (SW) SW1101 <Main Bot> C1106 SW1101 COMMON FL1102 Termination_Port L1107 L1108 GND2 GND1 100n Coupling WTR0_PDET_IN LGE Internal Use Only - 47 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 3. TROUBLE SHOOTING START Check TP1 Signal exist? Check SW1101 Soldering Check next step LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 Check TP1/2/3 Signal exist? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 C1172 2.2p 8.2n L1205 WTR0_PRX_LB3_IN C1205 L1207 C1206 WTR0_PRX_HMB4_IN L1209 C1207 WTR0_PRX_MB3_IN L1210 2.2n L1211 100p WTR0_PRX_MB1_IN L1212 LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 GSM850/900/1800/1900 TX RF PATH U1500 U1300 FL1201 SW1101 1. GSM850/900 TX PATH 2. GSM1800/1900 TX PATH 3. COMMON T/RX PATH LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52 3. TROUBLE SHOOTING 3.5.2.1 Checking GSM PAM DC Power Circuit U1300 <Main Top> LGE Internal Use Only - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 RFFE1_CLK VCC1 SCLK R1303 RFFE1_DATA VCC2 SDATA VCC_GSM GND3 +VPWR GND13 VBATT RFOUT_GSM_HB GND4 GND12 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 Control CLK & Data Check correct CLK The Problem may be Logic part (19.2MHz)& MIPI data? Check Next step LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 Refer to 3.5.1.1 START Check TP1 If GSM850/900 Over 31dBm? Check SW1001 Soldering If DCS/PCS Over 28dBm? Check next step LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 3. TROUBLE SHOOTING 3.5.2.3 Checking RF signal path U1300 <Main Top> LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 3. TROUBLE SHOOTING R1304 FEMID_TX_GSMHB 1.2n R1305 FEMID_TX_GSMLB 3.3n C1321 C1322 WTR0_TX_MB2_OUT C1324 C1326 WTR0_TX_LB2_OUT LGE Internal Use Only - 57 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 If DCS/PCS Over 5dBm? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 58 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59: Wcdma Rf Part
Check Checking DC-DC Block Refer 3.3 Check FEMid Block Refer 3.4 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 60 8. WCDMA B8 RX PATH 4. WCDMA B8 RX PATH 9. COMMON DRX PATH 5. COMMON T/RX PATH LGE Internal Use Only - 60 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 3.6.1.1 Checking RF signal path (SW) 1) PRX Path : Refer to 3.5.1.1 2) DRX Path SW1103 U1101 SW1102 <Main Bot> LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 C1109 100p C1110 100p COMMON L1110 L1111 L1112 100n C1163 C1130 SW1103 COMMON 1.5n L1127 L1128 L1129 100n LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 3. TROUBLE SHOOTING 3.6.1.2 Checking RF signal path(B1/2) U1500 U1300 FL1201 <Main Top> LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 Termination_Port L1107 L1108 GND2 GND1 100n C1107 ANT_TRX_FEMID Coupling WTR0_PDET_IN L1207 C1206 WTR0_PRX_HMB4_IN L1209 C1207 WTR0_PRX_MB3_IN L1210 2.2n LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 FL1201 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 3. TROUBLE SHOOTING 3.6.1.3 Checking DRX Antenna Switch(B1/2) U1500 <Main Top> LGE Internal Use Only - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 Check High Level The Problem may be Other part of each mode ?(1.5V≤TP ) Check Logic part Check Next step LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 3. TROUBLE SHOOTING 3.6.1.4 Checking DRX Antenna Switch(B8) U1101 <Main Bot> LGE Internal Use Only - 68 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 Check High Level The Problem may be Other part of each mode ?(1.5V≤TP ) Check Logic part Check Next step LGE Internal Use Only - 69 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 70 3. TROUBLE SHOOTING 3.6.1.5 Checking DRX RF signal path (B1/2) U1500 <Main Top> SW1101 <Main Bot> LGE Internal Use Only - 70 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 G1 G2 G3 1960.0MHz L1121 L1122 2.2n C1123 FL1101 C1104 100p C1103 100p WTR0_DRX_HMB4_IN G1 G2 2140MHz L1105 2.2n LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 FL1105/FL1101 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 3. TROUBLE SHOOTING 3.6.1.6 Checking RF signal path (B5/8) U1500 FL1201 <Main Top> LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 L1107 L1108 GND2 GND1 100n C1107 ANT_TRX_FEMID Coupling WTR0_PDET_IN L1203 C1204 WTR0_PRX_LB2_IN C1172 2.2p 8.2n L1205 WTR0_PRX_LB3_IN C1205 LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 FL1201 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 3. WCDMA B5 TX PATH 4. WCDMA B8 TX PATH 5. WCDMA B1/B2 PATH 6. WCDMA B5/B8 PATH 7. COMMON T/RX PATH LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 3. TROUBLE SHOOTING 3.6.2.1 Checking WCDMA PAM DC Power&Control Circuit U1300 <Main Top> LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 RFFE1_CLK VCC1 SCLK R1303 RFFE1_DATA VCC2 SDATA VCC_GSM GND3 +VPWR GND13 VBATT RFOUT_GSM_HB GND4 GND12 RFIN_GSM_HB RFOUT_GSM_LB RFIN_GSM_LB LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 Control CLK & Data Check correct CLK The Problem may be Logic part (19.2MHz)& MIPI data? Check Next step LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80 3.6.2.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering Signal is over 21dBm? Check next step LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81 3. TROUBLE SHOOTING 3.6.2.3 Checking RF signal path(B1/B2) U1500 U1300 FL1201 <Main Top> LGE Internal Use Only - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 L1301 L1302 4.7n 8.2n C1304 C1302 WTR0_TX_MB3_OUT 1.8n 1.8n L1300 0.5p C1317 DPX_TX_B2 3.3n L1310 L1311 0.5p 0.5p LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83 U1300 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 3. TROUBLE SHOOTING 3.6.2.4 Checking RF signal path(B5/B8) U1500 U1300 FL1201 <Main Top> LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 L1312 C1323 DPX_TX_B8 5.6p L1315 L1316 NON-LTE PATH C1312 C1314 C1315 WTR0_TX_LB1_OUT FL1301 L1308 1.8p LTE PATH(LPF USE) LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 U1300 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87: Lte Rf Part
Check Checking DC-DC Block Refer 3.3 Check FEMid Block Refer 3.4 Check T/RX Block Re-Download & Cal Change the Board LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 Refer to 3.5.1.1 about PRX Refer to 3.6.2.2 about TX 3.7.1.3 Checking RF signal path Refer to 3.6.2.3 (B1) 3.6.2.4 (B8) LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 U1500 U1300 FL1201 SW1101 1. LTE B3 PRX PATH 2. LTE B3 TX PATH 3. COMMON T/PRX PATH LGE Internal Use Only - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 3.7.2.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering If Signal is over 21dBm? Check next step LGE Internal Use Only - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 3.7.2.3 Checking RF signal path U1500 U1300 FL1200 FL1201 U1200 <Main Top> C1310 DPX_TX_B4_B3 2.7n L1307 L1306 0.5p 0.5p LGE Internal Use Only - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 C1200 WTR0_PRX_MB2_IN 2.7n C1213 DPX_TX_B4_B3 C1214 C1203 U1200 L1202 C1209 100p C1210 100p C1211 100p C1306 C1307 WTR0_TX_MB4_OUT LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 Check U1300 Soldering SKIP NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 U1751 FL1201 FL1750 SW1101 1. LTE B7 PRX PATH 2. LTE B7 TX PATH 3. COMMON T/PRX PATH LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 3. TROUBLE SHOOTING 3.7.3.1 Checking LTE PAM DC Power Circuit U1751 FL1750 <Main Top> LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 Check MIPI CLK & Data in each mode Check U2100 Part is OK? Refer 3.6.2.1 Check Next step LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 3.7.3.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering If Signal is over 21dBm? Check next step LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 3. TROUBLE SHOOTING 3.7.3.3 Checking RF signal path U1500 U1751 FL1201 FL1750 <Main Top> LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 99 GND1 GND2 GND4 L1757 GND3 GND6 L1752 L1759 C1760 WTR0_TX_HB1_OUT C1755 3.3n WTR0_PRX_HB3_IN L1753 C1750 L1754 1.2n C1753 LGE Internal Use Only - 99 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100 Check U1751 Soldering SKIP NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 U1700 U1200 FL1700 SW1101 1. LTE B20 PRX PATH 2. LTE B20 TX PATH 3. COMMON T/PRX PATH LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 3. TROUBLE SHOOTING 3.7.4.1 Checking LTE PAM DC Power Circuit U1750 <Main Top> LGE Internal Use Only - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 Check MIPI CLK & Data in each mode Check U2100 Part is OK? Refer 3.6.2.1 Check Next step LGE Internal Use Only - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 3.7.4.2 Checking RF signal path(SW) Refer to 3.5.1.1 START Check TP1 Check SW1101 Soldering If Signal is over 21dBm? Check next step LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 3. TROUBLE SHOOTING 3.7.4.3 Checking RF signal path U1500 FL1201 U1750 FL1700 <Main Top> FL1805 C1702 C1704 WTR0_TX_LB3_OUT G2G1 842MHz LGE Internal Use Only - 105 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106 100p C1211 100p FL1700 C1711 ANT_TRX_B20 5.6n 5.6n C1710 L1703 GND1 GND6 L1708 L1705 GND2 GND5 GND3 GND4 LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 Signal is over 3dBm? SKIP NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 Refer to 3.6.1.2 ~ 3.6.1.5(Same as WCDMA DRX B1/B8) 3.7.6 LTE B3 DRX LTE B3 DRX RF PATH U1500 SW1102 U1100 <Main Top> <Main Bot> LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 3. TROUBLE SHOOTING 3.7.6.1 Checking RF signal path U1500 SW1102 U1100 <Main Top> <Main Bot> LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 G1 G2 G3 L1102 1842.5MHz 2.2n C1102 C1162 SW1102 C1109 100p C1110 100p COMMON L1110 L1111 L1112 100n LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 FL1100 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 3. TROUBLE SHOOTING 3.7.7 LTE B7 DRX LTE B7 DRX RF PATH SW1103 U1101 <Main Bot> LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 113 3. TROUBLE SHOOTING 3.7.7.1 Checking RF signal path U1101 <Main Bot> LGE Internal Use Only - 113 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114 L1140 C1150 100p WTR0_DRX_HB3_IN G1 G2 G3 2.2n 2655.0MHz C1163 C1130 SW1103 COMMON 1.5n L1127 L1128 L1129 100n LGE Internal Use Only - 114 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 FL1109 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 3. TROUBLE SHOOTING 3.7.8 LTE B20 DRX LTE B20 DRX RF PATH U1500 SW1102 U1100 FL1201 <Main Top> <Main Bot> LGE Internal Use Only - 116 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117 3. TROUBLE SHOOTING 3.7.8.1 Checking RF signal path U1500 SW1102 U1100 <Main Top> <Main Bot> LGE Internal Use Only - 117 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118 100p C1119 100p WTR0_DRX_LB1_IN 806.0MHz C1120 1.2p C1162 SW1102 C1109 100p C1110 100p COMMON L1110 L1111 L1112 100n LGE Internal Use Only - 118 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 FL1104 and U1500 NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 119 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120: Bt&Wifi Part
Power for WCN analog, digital,and RF core circuits. VREG_L24_1V3 Power for WLAN driver amplifier circuits VREG_L16_3V0 Power for WLAN 2.4GHz PA circuits LGE Internal Use Only - 120 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121 3. TROUBLE SHOOTING BT&WIFI control signals are generate by WCN3620 BT/WIFI PATH&TEST POINT(TOP) BT/WIFI PATH & TEST POINT(BOT) LGE Internal Use Only - 121 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 C5105 C5107 C5108 C5109 C5115 C5101 C5111 C5112 C5227 C5113 C5114 C5102 470n 470n 100p 100p 4.7u 100p LGE Internal Use Only - 122 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 L5105 WL_BT_RFIO_2P4G TX/RX FEED G1 G2 G3 ANT5101 EAG63652301 C5118 C5123 FEED C5122 100n C5124 1.2p C5125 1.8n LGE Internal Use Only - 123 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124: Gps Part
Check Transceiver DC Power supply Block Refer 3.1 Check GPS RF Block Refer 3.2 Re-Download Change the Board LGE Internal Use Only - 124 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 C1145 C1146 100p GNSS_IN_N RFOUT1 G1 G2 G3 U1102 8.2n RFIN SFMG2B0D001 RFOUT2 L1135 C1152 C1153 100p GNSS_IN_P LGE Internal Use Only - 126 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 Check TP1 2.75V OK? part The Problem may be Other part Check Logic Check TP2 1.4V≤TP2≤3.0V? part Check Next step LGE Internal Use Only - 127 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 +2V75_VREG_L14 TOL=0.01 NEAR TO WTR C1145 C1146 100p GNSS_IN_N RFOUT1 U1102 RFIN SFMG2B0D001 RFOUT2 C1152 C1153 100p GNSS_IN_P LGE Internal Use Only - 128 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129 Check TP3 Signal exist? NOT GOOD Check Transceiver physical damage Replace U1500 or soldering condition Check next step LGE Internal Use Only - 129 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130: Power
Check it’s 19.2Mhz Is the signal high at R4104, TP2100 ? Phone doesn’t boot yet? Change the main board LGE Internal Use Only - 130 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131 - KPD_PWR_N Check the signal change from high to low when push the PWR key. (R4105) <Main Top> LGE Internal Use Only - 131 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132 PM_KYPD_PWR_N R10003 KEYPAD_SENSE_2 CN10000(2,3 pin -> power key) D10003 D10005 D10004 CN10000(2,3 pin -> power key) <Main Bot> LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133 It should be high when power on - PS_HOLD check : R4104 It should be high when power on <Main Top> LGE Internal Use Only - 133 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 134 R2106 eMMC_CLK -PON_RESET_N It should be high when phone boot with battery <Main Top> LGE Internal Use Only - 134 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135 X1E0002910001 Thermistor XTAL2 XTAL1 GND/Therm 19.2MHz XO Output check : X4100(19.2MHz) XO Output check : X4100(19.2MHz) <Main Top> LGE Internal Use Only - 135 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136: Charger
VDD_GR5_2 +VPWR VDD_GR6 VDD_GR7 Test Point : 1. VCHG ( if TA or u-USB connected, +5.0V) <Main Top> LGE Internal Use Only - 136 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137 Is the uUSB Cable voltage 5.0V Change TA (or uUSB Cable) Is it charging properly After turning on? Change the main board LGE Internal Use Only - 137 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138: Audio
Replace component Fail on TP5 -> replace U6100 U2100 or main board U6100 Fail on TP6 -> replace R6108 LGE Internal Use Only - 138 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139 TP1(L6700) ANT10003 TE_1_1H_C-CLIP L6700 SPK_P FEED L6701 SPK_N FEED ANT10004 TE_1_1H_C-CLIP C6702 C6703 TP3(L6701) TP3(L6701) TP1(L6700) <Main Bot> LGE Internal Use Only - 139 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 140 2. We recommend MLCC capacitor in this case. SPKR_DRVP SPK_P SPKR_DRVM SPK_N R6107 +VPWR R6108 +5V0_SPK_BOOST VDD_SPKDRV GND_SPKDRV_1 GND_SPKDRV_2 TP6(R6108) GND4 TP5(FB6100) TP6(R6108) <Main Top> LGE Internal Use Only - 140 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141 TP1 to TP2/TP3 to TP4 Short test. Is it OK? Rework component TP1(L6810), TP3(L6811) Works well? Replace component U6100 LGE Internal Use Only - 141 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 3. TROUBLE SHOOTING Contact type TP1(L6810) CN6810 L6810 RCV_P L6811 RCV_N TP3 (L6811) C6924 TP3 (L6811) TP1(L6810) <Main Top> LGE Internal Use Only - 142 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 Check Mic signal in Main Board TP1(MIC_BIAS_1) TP2(MIC1_IN_P) Replace component MIC6920 Replace component U6100. Voice signal OK? Change Main Board LGE Internal Use Only - 143 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144 3. TROUBLE SHOOTING MIC_BIAS_1 MIC6920 TP1(C6920) MIC_IN1_N TP2(FB6920) FB6920 1800 MIC_IN1_P GND Close to MIC TP1(C6920) TP2(FB6920) <Main Bot> LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 Check Mic signal in Main Board TP1(MIC_BIAS_1) TP2(MIC3_IN_P) Replace component MIC6921 Replace component U6100. Voice signal OK? Change Main Board LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146 3. TROUBLE SHOOTING MIC_BIAS_1 MIC6921 TP1(C6922) MIC_IN3_N 1800 FB6921 MIC_IN3_P TP2(FB6921) GND Close to MIC TP2(FB6921) TP1(C6922) <Main Top> LGE Internal Use Only - 146 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147 TP2(HPH_L), TP3(HPH_R), TP4(HPH_ TP5(-NCP_VNEG), TP6(NPC_C1P) When headset inserted. REF) Replace component U6100 Replace component U6100 Replace component U6600 LGE Internal Use Only - 147 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 FB6612 HPH_R_OUT C6610 FM_ANT EAR_MIC_JACK FB6600 1800 TP3(FB6612) TP1(FB6600) R6617 HPH_REF TP4(L6610) TP1(FB6600) TP4(L6610) TP3(FB6612) TP2(FB6611) <Main Top> LGE Internal Use Only - 148 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 149 Check Main Board TP1(MIC) Replace component U6100 TP2(MIC_IN2_N) is GND level? When headset inserted. Replace component R6616 Replace component U6600 LGE Internal Use Only - 149 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150 R6621 R6424 330K EAR_SENSE +VPWR R6612 R6613 1.2K MIC_BIAS_2 TOL=0.01 TOL=0.01 R6622 MIC_IN2_N TP2(R6616/C6616) TP2(R6616/C6616) TP1(FB6600) <Main Top> LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151: Lcd
Check +2V8_VREG_L15 (C7101) TP1 Change the PM8926 (U4100) or +1V8_VREG_L8 (C7103) TP2 main BD. Is the circuit powered? LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 152 PMIC_LED_A LCD_MIPI_DATA0_P LCD_MIPI_DATA0_N LCD_MAKER_ID LCD_RESET_N CABC_WLED +1V8_VREG_L8 +2V8_VREG_L15 LCD_VSYNC C7106 C7107 100p TP2 +1V8_VREG_L8 TP1 +2V8_VREG_L15 <Main Bot> LGE Internal Use Only - 152 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153: Touch
Change PM8926 (U4100) +1V8_VREG_L6 (C7505) TP2 Check I2C Line Change Main Board. (VA7200, VA7201) TP3 OK? Touch Woks OK ? LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 C7505 C7201 (I2C Line & Signal Line) (VA7200 & VA7201) TP1 +2V95_VREG_L28 (C7201) TP2 +1V8_VREG_L6 (C7505) <Main Bot> LGE Internal Use Only - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 155: Sensor
+2V85_VREG_L19 (C8101) TP2 Check I2C Line. (R2207, R2208) TP3 Change Main Board. Change the sensor (U8100). Sensor Woks OK ? LGE Internal Use Only - 155 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 GND3 COMPASS_INT DRDY C8100 C8101 100n 100n R2207 2.2K SENSOR0_I2C_SDA +1V8_VREG_LVS1 R2208 2.2K SENSOR0_I2C_SCL <Main Bot> <Main Top> LGE Internal Use Only - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157 Check I2C Line. (R2207, R2208) TP3 OK? Change Main Board. Change the proximity sensor (U8400). Sensor Woks OK ? LGE Internal Use Only - 157 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 158 +2V85_VREG_L19 SENSOR0_I2C_SDA PROXIMITY_INT SENSOR0_I2C_SCL LEDK LEDA C8401 C8400 R2207 2.2K SENSOR0_I2C_SDA +1V8_VREG_LVS1 R2208 2.2K SENSOR0_I2C_SCL U8400 <Main Top> LGE Internal Use Only - 158 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159: Usb
Cable is inserted? Check C10001(TP1) Check VCHG is 5V? Check FL10001(TP2) USB_DP is 3.05V? Change the Main Board LGE Internal Use Only - 159 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 160 VCHG Check : C10001 FL10001 VBUS USB_D_M USB_DP : FL10001 USB_D_P PM_USB_ID VCHG Check : C10001 USB_DP : FL10001 <Main Top> LGE Internal Use Only - 160 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 161: Camera
Check the EMI Filter signals Change the EMI Filter CIK/Data TP6 Change the Camera Camera is OK? Change the Main board LGE Internal Use Only - 161 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 162 FL7301 +1V2_VREG_L5 +1V8_CAM_IOVDD MAIN_CAM0_MIPI_DATA1_P FL7302 +2V8_EXT_LDO1 MAIN_CAM0_MIPI_DATA1_N MAIN_CAM0_MIPI_DATA0_P MAIN_CAM0_MIPI_DATA3_P MAIN_CAM0_MIPI_DATA0_N MAIN_CAM0_MIPI_DATA3_N MAIN_CAM0_MIPI_DATA2_P MAIN_CAM0_MIPI_DATA2_N FL7300 MAIN_CAM0_MIPI_CLK_P MAIN_CAM0_MIPI_CLK_N <Main Bot> LGE Internal Use Only - 162 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 163 3. TROUBLE SHOOTING FL7400 VT_CAM_MIPI_CLK_N VT_CAM_MIPI_CLK_P VT_CAM_MIPI_DATA0_N VT_CAM_MIPI_DATA0_P CN7400 +2V8_EXT_LDO1 +1V2_VREG_L5 R7401 VT_CAM_MCLK +1V8_CAM_IOVDD CAM0_I2C_SDA CAM0_I2C_SCL VT_CAM_RESET_N <Main Bot> LGE Internal Use Only - 163 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 164: Download
Please Check the Version to “B2B” Name Part No. Software D/L Cable Micro 5P (56-open-910K) USB DLC RAD32167835 LGE Internal Use Only - 164 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 166 4. DOWNLOAD LGD620 LGD620_20140305_LGFLASHv160_Download.zip LGD620 LGE Internal Use Only - 166 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176 4. DOWNLOAD LGD620 LGD620_20140305_LGFLASHv160_Download LGD620_20140305_LGFLASHv160_Download LGD620 LGD620AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD620 LGE Internal Use Only - 176 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 4. DOWNLOAD LGD620 LGD620_20140305_LGFLASHv160_Download LGD620 LGD620AT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD620 LGD620 LGE Internal Use Only - 177 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 179 4. DOWNLOAD LGD620 LGD620 LGD620 LGD620_20140305_LGFLASHv160_Download LGE Internal Use Only - 179 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180 4. DOWNLOAD LGD620 LGD620 LGD620 LGD620_20140305_LGFLASHv160_Download LGE Internal Use Only - 180 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 181: Block Diagram
(C d (Codec) IR LED IR LED VBAT LINE_OUT Speaker (1511) IRRC circuits VBUS_USB_IN Ear-Jack (Side Contact) USB Con. LGE Internal Use Only - 181 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183 FM_SSBI FM_DATA FM_SDI FM_DATA VREG_L24_1V3 BT_CTL BT_CTL BT_CTL BT_SSBI TXCO_IN BT_SSBI BT_SSBI BT_DATA BT_DATA BT_DATA_STROBE WCN3620 MSM8926 PM8926 LGE Internal Use Only - 183 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 BMC150_INT COMPASS INT COMPASS_INT SENSOR0_I2C_SCL/SDA Compass AK8963C COMPASS INT COMPASS_INT PM_KYPD_PWR_N KEYPAD_SENSE(0:1) FPCB HALL IC HALL_INT BU52061NVX BU52061NVX LGE Internal Use Only - 185 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 +1V8_CODEC_IO (Codec) (Codec) WCN3620 VDD_TX_RX +1V8_WCN_IO +1V8_CODEC_IO (BT/WLAN/FM) VDD_IO +1V8_IRRC_TR 8M Cam +1V8_MAIN_CAM_DVDD IRRC circuits (AF) +1V2_MAIN_CAM_DVDD +2V8_MAIN_CAM_AF LGE Internal Use Only - 186 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 SLIMBUS_CLK / I2C_SCL SLIMBUS_CLK GPIO_70 SLIMBUS_CLK / I2C_SDA SLIMBUS_DATA GPIO_71 INTR CODEC INT GPIO 68 GPIO_72 RESET_N CODEC_RESET_N VDD_VBAT +VPWR LGE Internal Use Only - 187 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 1.3M 20pin MIPI_CSI1_CLK_P VT_CAM_MIPI_CLK_P VT_CAM_MIPI_DATA0_N MIPI_CSI1_LN0_N VT_CAM_MIPI_DATA0_P MIPI_CSI1_LN0_P VT_CAM_MCLK GPIO_27 VT_CAM_RESET_N GPIO_28 VT_CAM_PWDN GPIO_31 Flash Flash FLASH_LED_OUT_ VLED_FLASH LGE Internal Use Only - 188 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189: Circuit Diagram
RFOUT2 G1 G2 G3 C1148 2.2n C1112 C1147 L1135 100n 5.6n 2655.0MHz B7 DRX C1152 C1153 100p GNSS_IN_P - 189 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 GNSS_IN_N GND50 DRX_LB_CA_OUT GND51 DRX_MB_CA_IN GND52 DRX_HB_CA_OUT GND53 GND54 GND58 GND55 GND59 GND56 GND60 GND57 GND61 GND62 GND63 - 190 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 WTR0_TX_LB2_OUT ATT, EU GSM_LB 3/4G 1mm +VPA0 +VPWR 2G 2mm G1800/G1900 R1304 FEMID_TX_GSMHB 1.2n G850/G900 R1305 FEMID_TX_GSMLB 3.3n - 191 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 C1831 WTR0_PRX_HB1_IN 1.2n B40 PRX L1817 RX_B40 885049 FL1804 C1835 L1819 ANT_PRX_B40 C1834 G1 G2 G3 B40 PRX - 192 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 +VPWR R5212 +VPWR_NFC C5224 VDHF NFC_ANT2 +1V8_VREG_L6 PVDD SAP_DCDC +VPWR_NFC VBAT SAM_DCDC VA5200 VA5100 +VPWR_NFC DVDD VBAT_DCDC NFC_CLK_O - 193 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 CSFB, CA ET Used 0 ohm SVLTE ET Unused 0 ohm SVLTE ET Used 0 ohm U3100 H9TKNNN8JDAPLR-NGH Fiducial1 - 194 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 VDD_APC_15 VDD_APC_16 VDD_APC_17 VDD_APC_18 VDD_APC_19 VDD_APC_20 VDD_APC_21 VDD_APC_22 VDD_APC_23 VDD_APC_24 VDD_APC_25 VDD_APC_26 VDD_APC_27 VDD_APC_28 VDD_APC_29 VDD_APC_30 VDD_APC_31 VDD_APC_32 - 195 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 R2211 2.2K TOUCH_I2C_SDA R2212 2.2K TOUCH_I2C_SCL GPIO_107 Main CAM, VT CAM +1V8_CAM_IOVDD R2213 2.2K CAM0_I2C_SDA R2214 2.2K CAM0_I2C_SCL - 196 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 GND_339 GND_166 AW30 GND_340 GND_167 AW38 GND_341 GND_168 AW40 GND_342 GND_169 GND_343 GND_170 GND_344 GND_171 AY29 RSVD GND_172 - 197 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198 Note 6 Rev. 0.4 : PA Thermistor Pull up R4115 100K +1V8_VREG_L12 PA_THERM_0 TOL=0.01 R4116 100K +1V8_VREG_L12 PA_THERM_1 TOL=0.01 - 198 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 Each capacitor GND should be star routed to their respective reference ground (GND_S1, GND_S2, GND_S3, GND_S4) Then input caps should via directly to main ground CHG_PGND - 199 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 200 NC22 NC113 NC73 NC114 NC24 NC115 NC25 NC117 NC26 NC118 NC27 NC120 NC28 NC121 NC29 NC122 NC30 NC123 - 200 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 When USE) TVS devices's Working Voltage must be greater than the Path voltage should apply capacitor under 50pF value for ESD protection with d-class amp - 201 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 MC-C06162-1 : 1. Don't connect Positive of Tantal, TVS diode to Negative voltage if use 2. We recommend MLCC capacitor in this case - 202 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 U8400 APDS-9130-200 R8400 4.7K +1V8_VREG_LVS1 TOL=0.01 TOL=0.01 R8401 SENSOR0_I2C_SDA +2V85_VREG_L19 C8952 0.1u PROXIMITY_INT SENSOR0_I2C_SCL LEDK LEDA C8401 C8400 - 203 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 SC10008 SC10009 SC10010 SC10011 SC10012 BOTTOM SHIELD CAN CLIP SC20001 SC20003 SC20004 SC20005 SC20006 SC20007 SC20008 SC20009 SC20010 - 204 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205: Bga Pin Map
7. BGA PIN MAP 7. BGA PIN MAP U1500-WTR1625L WTR1625L Not Used LGE Internal Use Only - 205 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 210 7. BGA PIN MAP U6100-CODEC IC(WCD9302) 00-CODEC IC(WCD9302) Not Used LGE Internal Use Only - 210 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 211 Converter(LM3263) 7. BGA PIN MAP U1201-DCDC Converter(LM3263) Not Used LGE Internal Use Only - 211 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 212: Pcb Layout
DNI(U1803 : LTE PAM, B40 Low LTE B40 power) U1100 : DRX Separator, B1, B2, B3, B20 Low RX Signal C8701 C8700 LG-D620_MAIN_EAX65645801_1.0_TOP-1 U8700 - 212 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 - Quick Cover not operate ANT1116 FL7102 PID1 FL10001 FL10000 D10006 CN10001 : Micro USB CN10001 - no USB, Charging operation LG-D620_MAIN_EAX65645801_1.0_TOP-2 - 213 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 214 - no Compass / Accel Funtion L1110 ANT1101, 1102 : Antenna Clip, DRX B1,B2,B3,B20 - Can’t search signal LG-D620_MAIN_EAX65645801_1.0_BOT-1 - 214 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 ANT1108, 1109, 1110 : Antenna Clip, MIC6920 : Main MIC Main - no MIC operation - Can’t search signal LG-D620_MAIN_EAX65645801_1.0_BOT-2 - 215 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 216: Calibration
-> How to connect between CMW500 and RF800A ; It has to connected as below - CMW500 [RF1COM] to RF-800A [left COM], - CMW500 [RF2COM] to RF-800A [Right COM] LGE Internal Use Only - 216 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 218 9. CALIBRATION LGD620 MS695 [Tachyon36]LGMS695_20120213_Calibration LGD620 LGE Internal Use Only - 218 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 221 9. CALIBRATION LGD620 LGD620 LGD620 LGD620 LGD620 LGD620 LGD620 LGD620 LGE Internal Use Only - 221 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 223 RAD32167861 RF cable : MS-156C (P/No : BJAY0024004 ) This is for example. You can check “C:\LGE\Tachyon\Model\D620\Setting Guide” LGE Internal Use Only - 223 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 224 MS-156C BJAY0024004 GPIB cable (IEEE-488) (P/No : BJAY0020058) RAD32167861 This is for example. You can check “C:\LGE\Tachyon\Model\D620\Setting Guide” LGE Internal Use Only - 224 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 232 9. CALIBRATION LGD620 MS695 MS695 LGD620 LGD620 LGD620 LGD620 LGD620 LGD620 LGD620 LGE Internal Use Only - 232 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 235: Hidden Menu
Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 235 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 236 All auto Test - Full (+Power) -> You can check Test Results When you touch the screen with pushing power key LGE Internal Use Only - 236 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 237 SIM Switch key : touch key Proximity Sensor : Blind the Proximity sensor Camera Test – Snapshot Touch screen to capture LGE Internal Use Only - 237 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 238 Camera is recoding for 5 seconds VT Camera Test Show the VT Camera image Display Check Test Check Black & White Color LGE Internal Use Only - 238 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 239 Check the sound Vibrator Test Check the vibration IrRC Test Touch the ‘Start’ Button and check IrRC function through JIG LGE Internal Use Only - 239 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 240 GPS(RF) test : CNO is some value : OK Bluetooth Scanning is PASS : OK WiFi Scanning is PASS : OK LGE Internal Use Only - 240 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 241 Loopback Test Check the Audio loopback Check the Speaker loopback Individual item You can test only individual item LGE Internal Use Only - 241 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 242: Disassemble Guide
A front view of D620. Lift up battery cover with your finger nail. Disassemble battery cover. Disassemble battery. LGE Internal Use Only - 242 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 243 Unhook all hooks . Loosen screws.(10 Points.) Be carefully Rear and antenna c-clip damage. using a spatula. Disassemble a Rear assembly. LGE Internal Use Only - 243 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 244 Disassemble two connectors. Lift up a assembled PCB From a bar assembly. A view of BAR assembly and PCB assembly. LGE Internal Use Only - 244 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 245 A view of PCB assembly. A main bottom(right) and a shield can A main Top(left) and a shield can top(right). bottom(left). LGE Internal Use Only - 245 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 246: Exploded View & Replacement Part List
EAJ00 LCD,Module-TFT EAU00 EAC00 Cover Assembly,Battery Touch Window Assembly Jack,Phone EBD00 EAG00 ACQ00 Receiver Cover Assembly,Front EAB01 ACQ01 - 246 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 247: Replacement Parts
MCQ67588101 COMPLEX LGD618.ACISWH BK:BLACK BLACK - MCQ009400 Damper,Camera MCQ67588201 COMPLEX LGD618.ACISWH BK:BLACK BLACK - MCQ000000 Damper MCQ67589201 COMPLEX LGD618.ACISWH BK:BLACK BLACK - LGE Internal Use Only - 247 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 248 MDS64690701 YELLOW - MDS000002 Gasket MDS64673301 COMPLEX LGD618.ACISWH SW:SILVER WHITE - MDS000001 Gasket MDS64651301 COMPLEX LGD618.ACISWH GD:Gold - LGE Internal Use Only - 248 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 249 Tape,USP Film MJN68951901 COMPLEX LGD620.AVD2BK ZZ:Without Color - FAB00 Screw,Machine FAB31918701 FH + 2.7M 4M SWCH18A SILVER N N LGE Internal Use Only - 249 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250 Clip MBV62321701 SC10008 BK:Black - SC10009 SC10010 SC10012 LGD620.AVDIBK ZZ:Without Color LGD620 EU AGF000000 Package Assembly AGF77318210 STD(A1-1H/AL_1,080ea_Pallet) LGE Internal Use Only - 250 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251 MKC64799101 MOLD PC LGD618.ACISWH PP:Purple - MCK004100 Cover,Battery MCK67973902 MOLD PC LGD620.AVD2BK BK:BLACK BLACK - MHK000000 Sheet MHK64385802 COMPLEX LGD618.ACISBK BK:BLACK BLACK - LGE Internal Use Only - 251 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 252 50HZTO7KHZ PIN - EM-TECH EBR00 EBR78683104 LGD620.AVDIBK 1.0 Main Assembly,Main PCB Assembly EBR071500 EBR79079801 LGD620.AVD2BK 1.1 Main Main,Insert LGE Internal Use Only - 252 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 253 VA7101 ICVL0505101V150FR 5.6V 0% 100pF 1.0*0.5*0.55 VA7102 Varistor SEVY0003601 NONE SMD R/TP INNOCHIPS TECHNOLOGY VA7103 VA7303 VA7400 VA9501 LGE Internal Use Only - 253 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 254 SMD R/TP 4P MURATA MANUFACTURING Ceramic CO.,LTD. RC0201FR-0710RL 10OHM 1% 1/20W 0603 R/TP - R1106 Resistor,Chip EBC62036001 YAGEO CORPORATION LGE Internal Use Only - 254 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 255 CO.,LTD. GRM188R61C225K 2.2uF 10% 16V X5R - Capacitor C7503 ECCH0005602 55TO+85C 1608 R/TP - MURATA Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 255 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 256 GRM033R71C222K 2.2nF 10% 16V X7R - Capacitor C2381 ECCH0009107 55TO+125C 0603 R/TP - - KOREA MURATA Ceramic,Chip ELECTRONICS CO. LTD. LGE Internal Use Only - 256 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 257 GRM033R60J224M 0.00000022F 20% 6.3V X5R - C2106 Capacitor ECCH0032801 55TO+85C 0603 R/TP 0.3MM MURATA C2107 Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 257 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 258 Wound,Chip TOKO, INC. GB042-24S-H10-E3000 24P 0.40MM STRAIGHT CN7100 Connector,BtoB ENBY0034201 SOCKET SMD R/TP 1M - LS Mtron Ltd. LGE Internal Use Only - 258 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 259 MCR006YZPJ105 1MOHM 5% 1/20W 0603 R/TP - Resistor,Chip ERHY0009507 R9501 ROHM. R5203 MCR006YZPJ332 3.3KOHM 5% 1/20W 0603 R/TP Resistor,Chip ERHY0009522 R5206 - ROHM. LGE Internal Use Only - 259 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 260 CL10A226MP8NUNE 22uF 20% 10V X5R - Capacitor C4941 EAE62522101 55TO+85C 1608 R/TP 1.05T max. - SAMSUNG Ceramic,Chip ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 260 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 261 GRM033R71H271K 270pF -10TO+10% 50V X7R - C5209 Capacitor,Ceramic, 55TO+125C 0603 R/TP 0.3T L:0.6+-0.03 W:0.3+- EAE62967601 C5212 Chip 0.03 T:0.3+-0.03 MURATA MANUFACTURING CO.,LTD. LGE Internal Use Only - 261 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 262 FILTER - 0.0000000000017F 0H SMD R/TP - FL7400 INNOCHIPS TECHNOLOGY SFHG89DQ102 FL1108 Filter,Saw EAM62633001 1575.42@GPS/1601.72@GLONASS 1.4x1.1x0.5t SMD R/TP 5P WISOL.CO.,LTD LGE Internal Use Only - 262 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 263 6.0V 0W WCSP R/TP 15P Dual Output LCD Bias, IC,DC,DC U7500 EAN62731801 Output Current: 80mA Max., 15-Ball CSP Package Converter TEXAS INSTRUMENTS KOREA LTD, HONGKONG BRANCH. LGE Internal Use Only - 263 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 264 IC,MCP,eMMC EAN62740501 MLC NAND FBGA 8GB eMMC v4.5 (19nm 32Gb MLC x 2/11.5x13.0/91.0%), MSL3 TOSHIBA ELECTRONICS KOREA CORPORATION C1148 LG HK0603 R10J-T 100NH 5% - 60mA - - 3.74OHM L1108 Inductor EAP61866601 900MHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO L1112 Multilayer,Chip YUDEN CO.,LTD...
Page 265 2.1 dB typ. / 2.5 dB max. 2.0x1.6x0.83t DUAL SMD R/TP 9P AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED LGE Internal Use Only - 265 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 266 TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED WCD9302 999 999W WLCSP R/TP 55P MSM8226 U6100 IC,Audio Codec EAN62691301 Reference QCT CODEC QUALCOMM INCORPORATED. LGE Internal Use Only - 266 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 267 C1005X5R1E104K 0.1uF 10% 25V X5R - Capacitor C4145 EAE62685201 55TO+85C 1005 R/TP 0.55T max. TDK KOREA Ceramic,Chip COOPERATION LGE Internal Use Only - 267 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 268 RMUMK063CG5R6CT-F_H 5.6pF 0.25PF 50V C0G Capacitor(High -55TO+125C 0603 R/TP 0.3+-0.03 L:0.6+-0.03, C1323 Frequency),Cerami EAE63023701 W:0.3+-0.03, T:0.3+-0.03 KOREA TAIYO c,Chip YUDEN.CO., LTD. LGE Internal Use Only - 268 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 269 SERVEONE CO., LTD. Connector HSBC-4P25-39F1 4P 2.50MM STRAIGHT DIP CN9100 EAG63749801 Terminal Block T/REEL - HAN SHIN TERMINAL CO., LTD. LGE Internal Use Only - 269 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 270 Inductor L1120 EAP61767701 0.25OHM 6GHZ 14 SHIELD NONE 0.6X0.3X0.3MM Multilayer,Chip L1209 R/TP MURATA MANUFACTURING CO.,LTD. C1148 LG HK0603 R10J-T 100NH 5% - 60mA - - 3.74OHM L1108 Inductor EAP61866601 900MHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO L1112 Multilayer,Chip YUDEN CO.,LTD L1128 LG HK0603 82NJ-T 82NH 5% - 70mA - - 3.37OHM...
Page 271 C1147 EAP62226301 0.88OHM 6GHZ 12 SHIELD - 0.6X0.3X0.3MM R/TP Multilayer,Chip MURATA MANUFACTURING CO.,LTD. C1106 LG HK 0603 1N0S-T 1NH 0.3NH - 470mA - - C1112 Inductor EAP62226901 EAP62226901 0.11OHM 10GHZ 4 SHIELD - 0.6X0.3X0.3MM R/TP 0.11OHM 10GHZ 4 SHIELD 0.6X0.3X0.3MM R/TP...
Page 272 X1E0002910001 19.2MHZ 10PPM 7F - SMD R/TP X4100 Crystal EAW61883401 EPSON TOYOCOM CORP LGD620.ADEUWH 1.0 FR-4 Staggered via 10 0.8T EAX010000 PCB,Main EAX65645801 Main LGE Internal Use Only - 272 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 273 MCH155A121JK 120pF 5% 50V NP0 -55TO+125C C5210 Capacitor ECCH0000129 1005 R/TP - - ROHM Semiconductor KOREA C5213 Ceramic,Chip CORPORATION LGE Internal Use Only - 273 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 274 C9102 C1138 Capacitor C0603C0G1H330JT00NN 33pF 5% 50V C0G - ECCH0009104 C6921 Ceramic,Chip 55TO+125C 0603 R/TP - TDK CORPORATION LGE Internal Use Only - 274 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 275 CO.,LTD GRM0335C1E1R2BD01D 1.2pF 0.1PF 25V C0G - Capacitor C1120 ECCH0042002 55TO+125C 0603 R/TP 0.3+-0.03 MURATA Ceramic,Chip MANUFACTURING CO.,LTD. LGE Internal Use Only - 275 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 276 CL05F104ZO5NNNC 0.1uF -20TO+80% 16V Y5V - C8100 Capacitor ECZH0004402 30TO+85C 1005 R/TP - - SAMSUNG ELECTRO- C8101 Ceramic,Chip MECHANICS CO., LTD. LGE Internal Use Only - 276 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 277 MCR006YZPF1001 1KOHM 1% 1/20W 0603 R/TP - Resistor,Chip ERHY0009302 R8955 ROHM. MCR006YZPF51R0 51OHM 1% 1/20W 0603 R/TP R1100 Resistor,Chip ERHY0009311 - ROHM. LGE Internal Use Only - 277 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 278 MCR01MZP5J220 22OHM 5% 1/16W 1005 R/TP - R8401 Resistor,Chip ERHZ0000441 ROHM. COMPLEX LGLS720.ASPRTS ZZ:Without Color PID1 Label MEZ65049701 PID label LGE Internal Use Only - 278 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 279 Android KK 5.3.14.20140117_2 PCSuiteV SAD010100 SAD34624401 Application 5.3.14.20140117_2 - EUROPE PC SYNC - SAD010600 Software,OSP SAD34443201 Windows Android KK - - LGE Internal Use Only - 279 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 280 12. EXPLODED VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Spec Remark Software SAD010500 SAD34443101 Windows - USB Driver LGE Internal Use Only - 280 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 281: Accessory
HC-MYD-LG127 20mW 16OHM 115DB EAB010200 Earphone,Stereo EAB62209201 20HZTO20KHZ 1.1M BLACK 3.5 L TYPE STEREO 4POLE PLUG OPEN TYPE I-SOUND CO,LTD LGE Internal Use Only - 281 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -D620 Service Manual

Introduction

Performance

Trouble Shooting

Download

Block Diagram

Circuit Diagram

Bga Pin Map

Pcb Layout

Calibration

Hidden Menu

Disassemble Guide

Exploded View & Replacement Part List

Quick Links

Related Manuals for LG LG-D620

Summary of Contents for LG LG-D620

Table of Contents