LG -D175F Service Manual

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Internal Use Only

Service Manual

LG-D175F

Date: March, 2014 / Issue 1.0

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Page 1 Internal Use Only Service Manual LG-D175F Date: March, 2014 / Issue 1.0...
Page 2: Table Of Contents
3.14 Main LCD TS ..................144 3.15 BT/Wifi ....................147 3.16 GPS Part ....................150 3.17 FM TS ......................153 3.18 D-TV ......................155 LGE Internal Use Only - 2 - Copyright © 2014 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 © 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 described. - 5 - LGE Internal Use Only - 4 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 5: Specification
• Capacitive Touch Screen – Plastic with fast and accurate response • Micro USB/Charging Port - 6 - LGE Internal Use Only - 5 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 6 Send User-Generated Pictures (JPEG) and Videos via Bluetooth Wireless Technology *Depends on available memory. **Accessories sold separately. - 7 - LGE Internal Use Only - 6 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 7 Standard Battery: 1,700 [mAh] ACCESSORIES • Standard Battery • Travel Adapter and USB Cable* • Stereo Headset - 8 - LGE Internal Use Only - 7 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 8: Performance
Comment CP Chip MSM8210 AP Chip MSM8210 CP Chip MSM8210 LGE Internal Use Only - 8 - Copyright © 2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes LGE Internal Use Only...
Page 9: Hw Features
5000 ~ 9000(K) ( typ. 6500K) 8. Main Camera (3M) Type CMOS image sensor Resolution 2048(H) X 1536(V) pixels. LGE Internal Use Only - 9 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 10 Max 40Mbps (SDIO Driver performance) depend on environment 0 ~ 50m (depend on environment) 13. GPS type A-GPS LGE Internal Use Only - 10 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 11 Standard Voltage : 3.8 V, Battery Full Charge Voltage : 4.1V ~ 4.2V LGE Internal Use Only - 11 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only LGE Internal Use Only...
Page 12 6. Power Off Mode under 300uA Under 300 uA 7. Backup Battery under 5uA under 5uA LGE Internal Use Only - 12 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 13 0% ~ 3% : Every Level change popup (No Critical Low Battery Pop-up call) Power Off LGE Internal Use Only - 13 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 14: Sw Features
Last Dial Numbers, Last Received Last Dial Number Numbers and Last Missed Numbers LGE Internal Use Only - 14 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 15 There is no limitation on the SMS (EMS) EMS does not support. number of items. It depends on LGE Internal Use Only - 15 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 16 Over web browser Wallpaper SIM Lock Operator Dependent SIM Toolkit Class 1, 2, 3, C LGE Internal Use Only - 16 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 17 Class 12 Hold / Retrieve Conference Call Max. 6 DTMF Memo pad SyncML Email LGE Internal Use Only - 17 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 18: Hw Spec
-0.0 14.0 Transmit Off dBm/3.84MHz Power Spectrum Δf = 2.5~3.5MHz -35-15 * (Δf-2.5) dBc/30KHz LGE Internal Use Only - 18 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 19 9kHz ~ 150kHz 150kHz ~ 30MHz Transmit Spurious Emission 30MHz ~ 1GHz 1GHz ~ 12.5GHz LGE Internal Use Only - 19 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 20 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 - 20 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 21 HS-DPCCH 6.3A Maximum Input Level for Receiver Pin = -25dBm BLER(%) HS-PDSCH Reception LGE Internal Use Only - 21 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 22 AM Suppression -98dBm/-96dBm (2.439%) GSM : -31dBm - DCS : -29dBm Timing Advance ± 0.5T LGE Internal Use Only - 22 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 23 Freq. Drift Carrier Frequency Drift 10101010 kHz/50us Drift Rate Freq. Drift 10101010 kHz/50us Drift Rate LGE Internal Use Only - 23 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 24 Δf = -10MHz (BT_i) -64dBm@ BT_w DH1 PRBS9 Maximum Input Level Input power @BT_w LGE Internal Use Only - 24 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 25 Sensitivity ≥ 35dB @FER ≤ 8%, Rx Adjacent Channel interference input signal -70dBm@fc±25MHz(11Mbps) Rejection LGE Internal Use Only - 25 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 26 ※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 - 26 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 27 ※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 - 27 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 28 10) GPS receiver specification Item Spec. Sensitivity Test Success rate ≥ 60% @ -154 dBm LGE Internal Use Only - 28 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 29: 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 - 29 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 30 3. TROUBLE SHOOTING WTR2605 (U1500) (FL1600) SKY77573-31 (U1100) LGE Internal Use Only - 30 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 31 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 31 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 32 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 32 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 33 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 33 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 34 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 34 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 35 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 35 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 37 PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 2.140GHz Figure 3.1.1 (b) 2.140GHz Figure 3.1.1 (c) LGE Internal Use Only - 37 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 38 All WCDMA_B1 Rx check is complete. If the phone sill do not work ,replace main board 2.140GHz Figure 3.1.1 (b) LGE Internal Use Only - 38 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 39 FL1600 <Main Bot> C1609 2.2n FL1600 C1607 2.2n TX_MODULE_TRX_1 2.7n GND1 GND6 GND2 GND5 GND3 GND4 C1608 L1600 LGE Internal Use Only - 39 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 40 * 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 - 40 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 41 3. TROUBLE SHOOTING WTR2605 (U1500) (FL1601) SKY77573-31 (U1100) LGE Internal Use Only - 41 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 42 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 42 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 43 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 43 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 44 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 44 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 45 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 45 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 46 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 46 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 48 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 48 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 49 3. TROUBLE SHOOTING Center Frequency : 881.4MHz Figure 3.1.1 (b) Center Frequency : 881.4MHz Figure 3.1.1 (c) LGE Internal Use Only - 49 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 50 All WCDMA_B1 Rx check is complete. If the phone sill do not work ,replace main board Center Frequency : 881.4MHz Figure 3.1.1(b) LGE Internal Use Only - 50 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 51 <Main Bot> FL1601 C1619 2.2n C1621 100p TX_MODULE_TRX_4 8.2n GND1 GND6 GND2 GND5 GND3 GND4 L1604 C1620 C1623 100p LGE Internal Use Only - 51 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 52: Wcdma Tx Part Trouble
* 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 - 52 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 53 3. TROUBLE SHOOTING SKY77742- (U1600) WTR2605 (U1500) (FL1600) SKY77573-31 (U1100) LGE Internal Use Only - 53 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 54 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 54 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 55 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 55 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 56 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 56 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 57 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 57 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 58 The Problem may be Logic part Check TP3(C1603) at U1600 (VPWR) Refer to Logic troubleshoot Whether it is higher than 1.5V Replace U1600 LGE Internal Use Only - 58 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 59 PA0_ON_2 C1611 100p C1612 6.8p RFOUTLB VMODE PA0_R_0 DC block needed only if using MuRata B2 duplexer WTR_PDET_IN LGE Internal Use Only - 59 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 61 Is any signal detected at that point? Replace FL1600 DPX is OK. See next page to check PAM 1.950GHz Figure 3.1.1(b) LGE Internal Use Only - 61 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 62 FL1600 <Main Bot> C1609 2.2n FL1600 C1607 2.2n TX_MODULE_TRX_1 2.7n GND1 GND6 GND2 GND5 GND3 GND4 C1608 L1600 LGE Internal Use Only - 62 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 63 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 63 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 64 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 64 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 65 3. TROUBLE SHOOTING 1.950GHz Figure 3.1.1(b) 1.950GHz Figure 3.1.1(c) LGE Internal Use Only - 65 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 66 * 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 - 66 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 67 3. TROUBLE SHOOTING SKY77742- (U1600) WTR2605 (U1500) (FL1601) SKY77573-31 (U1100) LGE Internal Use Only - 67 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 68 +1V8_VREG_L10 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 © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 69 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 69 - Copyright © 2014 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 © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 71 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 71 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 72 The Problem may be Logic part Check TP3(C1603) at U1600 (VPWR) Refer to Logic troubleshoot Whether it is higher than 1.5V Replace U1600 LGE Internal Use Only - 72 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 73 3. TROUBLE SHOOTING TP3(+VPWR) TP1(RF IN) TP2(RF OUT) <Main Bot> LGE Internal Use Only - 73 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 74 6.8p RFOUTLB VMODE PA0_R_0 DC block needed only if using MuRata B2 duplexer WTR_PDET_IN C1624 2.7n TP2(RF OUT) LGE Internal Use Only - 74 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 75 3. TROUBLE SHOOTING Center Frequency : 836.4MHz Center Frequency : 836.4MHz Figure 3.2.1.4 LGE Internal Use Only - 75 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 76 Is any signal detected at that point? Replace FL1601 DPX is OK. See next page to check PAM Center Frequency : 836.4MHz Figure 3.1.1(b) LGE Internal Use Only - 76 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 77 <Main Bot> FL1601 C1621 100p C1619 2.2n TX_MODULE_TRX_4 8.2n GND1 GND6 GND2 GND5 L1604 GND3 GND4 C1620 C1623 100p LGE Internal Use Only - 77 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 78 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 78 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 79 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 79 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 80 3. TROUBLE SHOOTING Center Frequency : 836.4MHz Figure 3.1.1(b) Center Frequency : 836.4MHz Figure 3.1.1(c) LGE Internal Use Only - 80 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 81: Gsm Rx Part Troubleshooting
* 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 - 81 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 82 3. TROUBLE SHOOTING WTR2605 (U1500) (FL1601) 850 SAW (FL1101) SKY77573-31 (U1100) GSM900 GSM850 LGE Internal Use Only - 82 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 83 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 83 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 84 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 84 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 85 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 85 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 86 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 86 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 87 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 87 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 88 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 88 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 89 * 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 - 89 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 90 3. TROUBLE SHOOTING WTR2605 (U1500) (FL1100) SKY77573-31 (U1100) PCS1900 DCS1800 LGE Internal Use Only - 90 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 91 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 91 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 92 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 92 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 93 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 93 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 94 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 94 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 95 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 95 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 96 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 96 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 97 To Figure 3.1.1(b) Is any signal detected at that point CCheck C1105, L1106 SAW filter is OK. Replace main B/D. LGE Internal Use Only - 97 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 98 1842.50MHz/1960.00MHz GSM1800_OUT GND3 2.7n C1104 GND5 GND2 GND6 GND1 L1105 3.3n L1106 2.2n WTR_PRX_MB_3_IN GSM1900_OUT GSM1800/1900_IN G1800, G1900 LGE Internal Use Only - 98 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 100: Gsm Tx Part Troubleshooting
3. TROUBLE SHOOTING 3.4 GSM Tx Part Troubleshooting 3.4.1 GSM850/900 Tx WTR2605 (U1500) SKY77573-31 (U1100) LGE Internal Use Only - 100 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 101 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 101 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 102 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 102 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 103 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 103 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 104 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 104 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 105 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 105 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 106 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 106 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 107 3. TROUBLE SHOOTING 3.4.2 GSM1800/1900_Tx WTR2605 (U1500) SKY77573-31 (U1100) LGE Internal Use Only - 107 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 +1V8_VREG_L10 is OK? Refer to Logic troubleshoot DC Power Supply Circuit is OK See Next page to Check XO Circuit LGE Internal Use Only - 108 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 109 VDD_RF1_DIG VDD_RF1_G_LO Rev.D VDD_RF1_G_PLL STAR ROUTE L1501 VDD_RF3_IO Tuning point (Inductor Placeholder) +1V225_VREG_L1 Replace_0621 Replace_0621 +1V8_VREG_L10 QMC review LGE Internal Use Only - 109 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 XO circuit is Ok . See next page Is it similar ? to check RF signal path. Replace Main B/D LGE Internal Use Only - 110 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 111 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 111 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 TX module is OK. See next page to check DPX The Problem may be Logic part Refer to Logic troubleshoot LGE Internal Use Only - 112 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 113 VCC1 GND20 GND3 VBATT GND2 GND1 Rev.1.0 SPDT_SEL PA0_R_1 C1137 100p R1104 WTR_TX1_OUT PA0_R_0 ANT0_SW_SEL_0 ANT0_SW_SEL_3 ANT0_SW_SEL_1 ANT0_SW_SEL_2 LGE Internal Use Only - 113 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114: Power Ts
Check PM8110 IO Voltage level? R4107(Check PM8110) Check PM8110 RTC CLOCK Change PM8110 And Return to Check Battery connector (CN9100) Start LGE Internal Use Only - 114 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 115 0902_Change CN9100 0902_Change R9102 VBAT_THERM 0902_Change C9105 C9100 C9101 C9102 C9103 100n 100p Rev.D(0603) EAG63717401 Rev_1.0 Rev.D HSBC-4P25-5401 LGE Internal Use Only - 115 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 116 Core DC/DC INDUCTOR(L4111) +1V05_VSW_S2 L4112 470n AP DC/DC INDUCTOR(L4112) +1V35_VSW_S3 L4113 2.2u +2V1_VSW_S4 L4114 2.2u IO DC/DC INDUCTOR(L4114) LGE Internal Use Only - 116 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 117 3. TROUBLE SHOOTING BATTERY CONNECTOR(CN9100) PWR KEY(R9710) IO DC/DC INDUCTOR(L4114) Core DC/DC INDUCTOR(L4111) AP DC/DC INDUCTOR(L4112) <Main Bot> LGE Internal Use Only - 117 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 118: Charging
TP4110 BATFET_CP_DRV AVDD_BYP U4100 VSW_CHG_1 0709_change VPRE_BYP PM8110 VSW_CHG_2 0.1u C4114 VPH_PWR_1 VPH_PWR_2 C4115 VPH_PWR_3 VBAT_SNS U4100 PM8110 LGE Internal Use Only - 118 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 119 Is it charging properly After turning on? Change the Charger IC ( PM8110 ) Change the Main PCB LGE Internal Use Only - 119 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 120: Usb Ts
Main PCB Filter Change Filter( FL9201 ) Is the signal ok for USB+ & - ? Change the Main PCB LGE Internal Use Only - 120 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 121: Audio Ts
SPK_RCV_P SPKR_DRV_P SPK_RCV_N SPKR_DRV_M HPH_REF Analog EAR_P EAR N EAR_N BT_CTL BT_SSBI FM_SSBI BT_DATA FM_DATA HPH_REF WCN3620 FM_ANT LGE Internal Use Only - 121 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 122 Change the speaker? Check a main PCB. L6700, L6701(TP1), R6700, R6701(TP2), U6700(TP3) Speaker sound OK? Change the main board LGE Internal Use Only - 122 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 3. TROUBLE SHOOTING L6700, L6701(TP2) U6700(TP3) R6700, R6701(TP1) U2100 Speaker Module LGE Internal Use Only - 123 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 1800 L6703 SPK_RCV_N Rev.D L6700, L6701(TP2) Rev.1.0 1005 -> 0603(DR) 4.7n 4.7n C6700 C6701 4.7n 4.7n Rev.D Rev.C LGE Internal Use Only - 124 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 125 HS_DET EAR_SENSE_JACK Rev.C 0831_change C2112 MIC_IN1_P MIC1_IN 0.1u MIC2_IN EAR_MIC_JACK MIC3_IN C2103 C2104 LINE_OUT C2107 CCOMP CDC_GND 0801_change LGE Internal Use Only - 125 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126 Mic works well? Reconnect or change Mic(MIC6921). Voice signal OK? Change MSM8210(U2100) Mic works well? Change the Main Board LGE Internal Use Only - 126 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 127 C6921 0903_change 0903_change FB6920 1800 MIC_IN1_P R6623 Rev.1.0 C6703 0.1u Rev.1.0 1005 -> 0603(DR) GND Close to MIC LGE Internal Use Only - 127 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 128 Check the left signal and detection line short when headset inserted? Change MSM8210(U2100). Headset works well? Change Main Board LGE Internal Use Only - 128 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 129 R6923 Rev.D U6600 FSA5157L6X 330K C6614 Rev.C C6613 +VPWR R6619 MIC_IN2_N R6620 C6616 Rev.1.0 1005 -> 0603(DR) Rev.C LGE Internal Use Only - 129 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 130 Sound play via headset? Check the headset signal lines. Works well? Check MSM8210(U2100). Works well? Change Main Board LGE Internal Use Only - 130 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 131 In case of you can’t check the headset signal lines (FB6611, FB6612)TP1 Can heard sound but sound is abnormal, check (C6922, C6923)TP2 LGE Internal Use Only - 131 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 132: Axis Sensor On/Off Ts
The 3 AXIS sensor is calibrated by the sensor data using SW algorithm. +1V8_VREG_L14 0822_Changed SENSOR0_I2C_SCL U8100 3 AXIS Sensor SENSOR0_I2C_SDA (U8100) VDDIO GNDIO ACCEL_INT C8100 C8101 0.1u 0.1u LGE Internal Use Only - 132 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 133 Change the 3 AXIS Sensor IC(U8100) 3 AXIS Sensor function is OK? Change the main board 3 AXIS Sensor function is OK? LGE Internal Use Only - 133 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 135: Proximity Sensor
Check +2V85_VERG_L19( C8400 ) & I2C_SENSOR_SDA & SCL & PROX__INT Output work well? Change the main board Function is OK? LGE Internal Use Only - 135 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 136 4.7K R8401 SENSOR0_I2C_SDA +2V85_VREG_L19 PROXIMITY_INT SENSOR0_I2C_SCL LEDK LEDA Sensor Power: (C8400) C8400 C8401 Sensor Power: (C8400) <Main Top> LGE Internal Use Only - 136 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 137: Touch Sensor Trouble Shooting
Check I2C Line & Signal Line (R2202 &R2203) Touch Works OK? Change Touch IC(U7200) Touch Works OK? Change Main Board LGE Internal Use Only - 137 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 138 3. TROUBLE SHOOTING +3V0_TOUCH_VDD : (C7202) TOUCH onnector CN7200 TOUCH IC U7200 +1V8_TOUCH_VDD : (C7203) <Main Bot> LGE Internal Use Only - 138 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 139: Vibrator Trouble Shooting
Change PM8110 (U4100) Check Power 3.1V Motor Power is OK? Change IC Vibrator Works well? Change Main Board LGE Internal Use Only - 139 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 141: Main Camera Ts
Check the camera signals Change the Main board MCLK(TP4), RESET(TP5) PWDN(TP6) Change the Camera Camera is OK ? LGE Internal Use Only - 141 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 142 3. TROUBLE SHOOTING AVDD: TP3(C7303) MCLK : TP4(C7300) VIO: TP1(C7301) PWDN: TP56(VA7302) DVDD: TP2(C7302) CAM_RESET: TP5 (VA7300) <Main Bot> LGE Internal Use Only - 142 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 143 CN7300 MAIN_CAM0_MIPI_CLK_N MAIN_CAM0_MIPI_CLK_P MAIN_CAM0_MIPI_DATA0_N CAM_RESET: TP5 (VA7300) MAIN_CAM0_MIPI_DATA0_P Rev.C Rev.D TP7301 MAIN_CAM_ID MAIN_CAM0_RESET_N PWDN: TP56(VA7302) MAIN_CAM0_PWDN_N VA7300 VA7302 LGE Internal Use Only - 143 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 144: Main Lcd Ts
+2V85_VREG_L19 (TP2), Change the LCD Module MIPI_DATA (TP3), MIPI_CLK (TP4), LCD_LED_A (TP5) Change the Main Board The LCD works LGE Internal Use Only - 144 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 145 X5R, 10V Rev.D COMMON_I2C_SCL U4400 LM3530TMX-40_NOPB X5R, 10%, 50V COMMON_I2C_SDA LCD_BL_EN HWEN N/A_1 LCD_PWM LCD_LED_C ILED N/A_3 N/A_2 LGE Internal Use Only - 145 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 146 VCI: TP2 (C7100) MIPI_CLK: TP4 (FL7100) MIPI_DATA: TP3 (FL7100) VIO: TP1 (C7101) LCD_LED_A : TP5 (C4402) <Main Bot> LGE Internal Use Only - 146 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 147: Bt/Wifi
Check the signal level at TP3 (L5106) Replace ANT5100 Check the Antenna Clip (ANT5100) BT-WiFi will work properly LGE Internal Use Only - 147 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 148 BT_CTL WCN3620 BT_SSBI WL_BT_RFIO_2P4G BT_SSBI WL_BT_RFIO BT_DATA BT_DATA WLAN_SET WL_CMD_SET WLAN_CLK WL_CMD_CLK WLAN_DATA_2 WL_CMD_DATA2 WLAN_DATA_1 WL_CMD_DATA1 WLAN_DATA_0 WL_CMD_DATA0 LGE Internal Use Only - 148 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 150: Gps Part
Check the signal level at TP4 (C1130) Replace ANT1103 Check the Antenna Clip TP5 (ANT1103) GPS will work properly LGE Internal Use Only - 150 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 151 RX_BB_QM WTR0_PRXBB_Q_N XO_IN WTR_XO_IN GNSS_BB_IP WTR0_GNSSBB_I_P GNSS_BB_IM WTR0_GNSSBB_I_N GNSS_BB_QP WTR0_GNSSBB_Q_P GNSS_BB_QM WTR0_GNSSBB_Q_N WTR_XO_IN R1505 C1508 100p 0902_Change WTR0_XO_IN LGE Internal Use Only - 151 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 153: Fm Ts
Check the Signal level at TP1 (C6610) Check Bias Voltage Good at C6610? Replace U2100 (L6610) FM will work properly LGE Internal Use Only - 153 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 154 R6923 Rev.D U6600 FSA5157L6X 330K C6614 Rev.C C6613 +VPWR R6619 MIC_IN2_N R6620 C6616 Rev.1.0 1005 -> 0603(DR) Rev.C LGE Internal Use Only - 154 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 155: D-Tv
Check the Signal level at TP3 (L5304) Replace U5300 Check the Signal level at TP4 (L5301) D-TV will work properly LGE Internal Use Only - 155 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 156 GND_BB_2 VDD_RF/VCO GND_BB_3 VDD_PLL/DIG GND_BB_4 ADC_VDD GND_BB_5 26MHz C5308 1SEG_CLK_OUT XTAL1 GND1 Rev.1.0 GND2 XTAL2 Rev.C X5300 FA-20H LGE Internal Use Only - 156 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 157: 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 - 157 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 159 4. DOWNLOAD LGD175F LGD175f_20140206_LGFLASHv160_Download.zip LGD175F LGE Internal Use Only - 159 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 169 4. DOWNLOAD LGD175F LGD175f_20140206_LGFLASHv160_Download LGD175f_20140206_LGFLASHv160_Download LGD175F LGD175FAT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD175F LGE Internal Use Only - 169 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 4. DOWNLOAD LGD175F LGD175f_20140206_LGFLASHv160_Download LGD175F LGD175FAT-00-V10a-SSV-XXX-JUN-03-2013+0.tot LGD175F LGD175F LGE Internal Use Only - 170 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 4. DOWNLOAD LGD175F LGD175F LGD175F LGD175f_20140206_LGFLASHv160_Download LGE Internal Use Only - 172 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 173 4. DOWNLOAD LGD175F LGD175F LGD175F LGD175f_20140206_LGFLASHv160_Download LGE Internal Use Only - 173 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 174: Block Diagram
Key Interface SPK/RCV (1910*3 0T) SPK/RCV (1910 3.0T) VBAT - Power/Lock - Up/Down 5V_USB MBHC Ear-Jack KPD_PWR_N USB Con. LGE Internal Use Only - 174 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 175 VDD SPKR VDD_SPKR +3V075_VREG_L20 VDD_USB_3P3 VDD_MIC_BIAS +2V95_VREG_L21 VDD_P2 +2V95_UIM3 VDD_P4 LCD B/L Prox GSM PAM WCN3620 Analog SW LGE Internal Use Only - 175 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 176 26MHz GPIO89/1SEG SPI CLK GPIO89/1SEG_SPI_CLK GPIO27/WLAN_CLK WTR2605 XO IN XO_IN RF CLK1 RF_CLK1 WCN3620 (BT/WLAN/FM) RF_CLK2 TCXO_IN WLAN_CMD_CLK LGE Internal Use Only - 176 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 177 PAM Option : PAM Option : B1/B8, B2/B5, B1/B5 RX_LB (G850) (G850) (G90 G900 G900 G850 RX_LB RX_MB Atten RX_MB LGE Internal Use Only - 177 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 178 5. BLOCK DIAGRAM [D175F] Block diagram : Connectivity(BT/WiFi/FM) Filter LGE Internal Use Only - 178 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 179 SPK_RCV_P SPKR_DRV_P SPK_RCV_N SPKR_DRV_M HPH_REF Analog EAR_P EAR N EAR_N BT_CTL BT_SSBI FM_SSBI BT_DATA FM_DATA HPH_REF WCN3620 FM_ANT LGE Internal Use Only - 179 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180 +1V8_VREG_L7 3M Camera MAIN_CAM0_PWDN GPIO_20 GPIO_21 MAIN_CAM0_RESET_N GPIO 13 GPIO_13 MAIN CAM0 MCLK MAIN_CAM0_MCLK GPIO_16 CAM0_I2C_SDA GPIO_17 CAM0_I2C_SCL LGE Internal Use Only - 180 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 181 UIM2_DATA GPIO32 SDC1_CLK MSM_RESOUT RESET RESOUT_N eMMC_CMD UIM3_DATA GPIO94 SDC1_CMD eMMC_DATA[0:7] UIM3_RESET_N SDC1_DATA GPIO96 DAT[0:7] UIM3_CLK GPIO95 VCCQ LGE Internal Use Only - 181 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 182 I2C_SCL I2C_SDA PROXIMITY_INT GPIO80 GPIO80 TOUCH_RESET_N GPIO0 RESET TOUCH_I2C_SCL GPIO3 I2C_SCL TOUCH_I2C_SDA GPIO2 I2C_SDA TOUCH_MAKER_D GPIO76 TOUCH_IMAKER_2_ID GPIO77 LGE Internal Use Only - 182 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 183: Circuit Diagram
B5 B8 LPM PA_THERM_0 0530 add B5 B8 HPM 100K R1603 W-BAND DPX(FL1601) 220K C1626 EAM62671701 EAM62711101 TOL=0.01 - 183 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 184 GND16 +1V225_VREG_L1 C1508 100p R1505 WTR_XO_IN 0902_Change Replace_0621 WTR0_XO_IN Replace_0621 +1V8_VREG_L10 Delete for not using DRX QMC review - 184 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 185 C2109 REV.D * Note Install bypass capacitors on IREF to GND as needed to filter out signal noise. - 185 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 186 R2209 2.2K COMMON_I2C_SCL EU(1,8) Rev.C Rev.C Rev.D F(1,5) G(2,5) +1V8_VREG_L7 R2206 2.2K CAM0_I2C_SDA J(2,8) R2207 2.2K CAM0_I2C_SCL FM(N.A) - 186 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 187 It is not enough to connect it to the ground plane. 4.7n 4.7n 0.47u 0.47u 0.47u 0.1u Rev.C - 187 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 188 C3322 VDD1_4 470n VDD2_1 VDD2_2 VDD2_3 VDD2_4 VDD2_5 +1V2_VREG_L2 VDD2_6 C3323 C3324 C3325 C3326 470n 470n 470n R3309 - 188 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 189 Note: If a decoupling capacitor of a pseudo capless LDO does not add up to 1uF on the load side, install the capacitor close to the PMIC. VCOIN 47uF C4157 - 189 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 190 RX22 RX21 A2/A3 TOUCH_MAKER_ID TOUCH_MAKER_2_ID A0/A1 RX20 RX18 0625 change 0625 chnage VA7202 VA7203 C7203 C7200 0.1u 2.2u - 190 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 191 SFMG1R0U201 5.6n C1127 L1124 C1134 LNA+Post Filter 0622 change : EAN62581401->EAN62696801 C1136 Rev.1.0 Deleted Rev.1.0 1005 -> 0603(DR) - 191 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 192 C5407 Rev.1.0 R5407 C5409 470n ZD5400 4.7K From 300 to 450 ohm CHECK DNI (SMT) Low Pass Filter - 192 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 193 Single only : R6622, R6623(SAFP0000401) / MIC6921 Rev.1.0 1005 -> 0603(DR) SPK_RCV_P C6702 GND Close to MIC 0801_change 0831_change SPK_RCV_SEL 0.1u HIGH HI-z - 193 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 194 +VPWR VOUT +1V8_TOUCH_VDD TOUCH_LDO_EN +VPWR VOUT LDO_CAM_2V8 LEDK LEDA MAIN_CAM0_LDO_EN C7311 C7310 C7307 C8400 C8401 C7309 Rev.D 0831_change - 194 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 195 Cap value of connecting one key sensing Line is less than 1nF (DGMS Guide) MC-C00069-11 : Key ESD protection on each signal applied DNI Pad - 195 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 196 2. Use under 33pF(Cap_Varistor) on each signal line 3. When routing, SIM_DATA, SIM_CLK should be seperated 4. CAP,Varistor should Place close to connector - 196 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 197 GND fills. SLEEP_CLK R4109 0902_Change C4109 <4-3-2_OVP_RT9718L> REV.0.4 U4300 RT9718L VBUS_USB_OVP_IN VBUS_USB_IN VIN1 VOUT2 VIN2 VOUT1 OVPFB C4300 Rev.D - 197 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 198: Bga Pin Map
Not used pin U1500 – WTR2605 (Bottom View) U1500 – WTR2605 (Bottom View) NOT IN USED LGE Internal Use Only LGE Internal Use Only - 198 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 199 7. BGA PIN MAP U2000 – MSM8210 (Top View) U2000 – MSM8210 (Top View) NOT IN USED LGE Internal Use Only - 199 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only...
Page 200 7. BGA PIN MAP U3300 - MCP (TOP View) U3300 - MCP (TOP View) NOT IN USED LGE Internal Use Only LGE Internal Use Only - 200 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 201 7. BGA PIN MAP U4100 – PM8110 (Top View) U4100 – PM8110 (Top View) NOT IN USED LGE Internal Use Only LGE Internal Use Only - 201 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 202 U4400 – LM3530 (Backlight driver) (Top View) U4400 – LM3530 (Backlight driver) (Top View) ALL USED U4600 – LP5521 (LED driver) (Top View) LGE Internal Use Only - 202 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 203 U4600 – LP5521 (LED driver) (Top View) U4600 – LP5521 (LED driver) (Top View) LGE Internal Use Only NOT IN USED LGE Internal Use Only - 203 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 204 U5100 – WCN3620 (BT/WIFI) (Top View) U5100 – WCN3620 (BT/WIFI) (Top View) NOT IN USED LGE Internal Use Only LGE Internal Use Only - 204 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 205 U5300 – FC8150 (Mobile TV) (Top View) U5300 – FC8150 (Mobile TV) (Top View) NOT IN USED LGE Internal Use Only LGE Internal Use Only - 205 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 206: Pcb Layout
ZD6603 ZD6601 R4606 R4604 R4605 R4601 SW9720 R4607 C4157 R4602 R6920 R6623 R6622 MIC6920 LG-D175F_MAIN_EAX65565301_1.0_TOP - 206 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 207 U1100 : Transmit & Tx Module - no Network service C1133 C1100 D9203 D9202 - GSM No Tx Power CN9200 MIC6921 LG-D175F_MAIN_EAX65565301_1.0_BOT - 207 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 208: Calibration
2. Port Setting (Refer to Attached image) 1) Uart Port2 : Use the “LGE CDMA USB Serial Port” LGE Internal Use Only - 208 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 209 9. CALIBRATION LGD175F MS695 [TachyonV48] LGD175F 20140206 ALL File Calibration [Tachyon36]LGMS695_20120213_Calibration LGE Internal Use Only - 209 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 213 9. CALIBRATION LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGE Internal Use Only - 213 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 215 (P/No : BJAY0024004 ) “RIF-200 and phone” 5.3V are connected in 5P E-SATA DC_Plug 5P E-SATA DC_Plug No: RAD32167861 LGE Internal Use Only - 215 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 224 9. CALIBRATION LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGD175F LGE Internal Use Only - 224 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 227: Hidden Menu
Start the desired menu: Menu, click Version Info Classified Information representation -> Hidden Menu -> Settings -> Version Info LGE Internal Use Only - 227 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 228 -> AAT – Mini OS 3.0 -> All Auto Test Result –Full (touch + power key) -> You can check Test Results LGE Internal Use Only - 228 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 229 SIM switch key : Hard Key Proximity Sensor : Blind the Proximity sensor Camera Test – Snapshot Touch screen to capture LGE Internal Use Only - 229 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 230 Camera is recoding for 5 seconds 2D LCD Display Test Check Black & White Color Sound Test Touch the “Play” button LGE Internal Use Only - 230 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 231 Draw a guide line Motion Sensor Test Check 3 positions -> Position side -> Position horizontally -> Position Vertically LGE Internal Use Only - 231 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 232 87.5 Mhz is scanned automatically -> Connect ear-jack Sound Loopback Test “On” is test mode on “Off” is test mode off LGE Internal Use Only - 232 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 233: Disassemble Guide
11. DISASSEMBLE GUIDE 11.DISASSEMBLE GUIDE 1. Disassemble Battery Cover Take apart the battery cover using neil-hole below LGE Internal Use Only - 233 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 234 11. DISASSEMBLE GUIDE 2. Disassemble Battery & Screw Screw rear (Silver) Take apart the battery and remove screw (6points) LGE Internal Use Only - 234 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 235 Hook off the bottom of Front cover by using a disassembling paddle Take apart the Rear cover out of Front cover starting from left LGE Internal Use Only - 235 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 236 11. DISASSEMBLE GUIDE 4. Disassemble Main PCB Take the FPCB out of main PCB LGE Internal Use Only - 236 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 238 Detach the LCD FPCB Take apart the touch window out of Front cover Take apart the LCD out of Front cover LGE Internal Use Only - 238 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 240: Exploded View & Replacement Part List
Motor,DC EAA00 EAA01 PIFA Antenna,Multiple MBG00 Button,Side MBG01 Button,Side EAC00 Rechargeable Battery,Lithium Ion EAA01 ACQ02 Cover Assembly,Battery EAU00 - 240 - LGE Internal Use Only Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 241: Replacement Parts
Cover Assembly ACQ033200 ACQ86873801 LGD175F.ABRAWH WH:WHITE WHITE - Front(Sub) MOLD PC LGD175F.ABRAWH WH:WHITE WHITE MCK032700 Cover,Front MCK67908301 PC_GF10 LGE Internal Use Only - 241 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 242 WHITE Shield can gasket MEV000001 Insulator MEV64595101 COMPLEX LGD175F.ABRAWH ZZ:Without Color - COMPLEX LGD175F.ABRAWH ZZ:Without Color MEV000000 Insulator MEV64613201 INSULATOR_CAN,SHIELD,1 LGE Internal Use Only - 242 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 243 WHITE - AAD000000 Addition Assembly AAD86531101 LGD175F.ABRAWH WH:WHITE WHITE - Cover ACQ02 ACQ86833601 LGD175F.ABRAWH WH:WHITE WHITE - Assembly,Battery LGE Internal Use Only - 243 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 244 MEZ047200 Label,Master Box MEZ64781701 COMPLEX LGE415F.EBTMBK ZY:Color Unfixed MGJ000000 Plate MGJ64103901 Plate Type K for Brazil (Gift, Box) LGE Internal Use Only - 244 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 245 U8400 IC,Proximity EAN62006801 TECHNOLOGIES INTERNATIONAL SALES PTE. LIMITED R6619 R7300 Wire Pad,Open SAFO0000401 AX3100 ATL SV_SHIPBACK,MAIN,A,0OHM DNI R7303 LGE Internal Use Only - 245 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 246 R4110 Wire Pad,Short SAFP0000401 AX3100 ATL SV_SHIPBACK,MAIN,A R4186 R5100 R5101 R5102 R6615 R6616 R6620 R6921 R7301 R7302 R9100 LGE Internal Use Only - 246 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 247 3.76 * 2.95 * 1.1T SMD GoerTek Inc. PCB Assembly EBR071600 EBR78023101 LGD175F.ABRAWH 1.1 Main Main,SMT Bottom LG HK 0603 33NJ-T 33NH 5% - 110mA - - Inductor C5126 EAP62246501 1.47OHM 1.7GHZ 4 SHIELD - 0.6X0.3X0.3MM Multilayer,Chip R/TP TAIYO YUDEN CO.,LTD...
Page 248 1005GC2T4N7SLF 4.7NH 0.3NH - 300mA C1606 Inductor 0.23OHM 3.5GHZ 8 SHIELD NONE ELCH0004704 L1602 Multilayer,Chip 1.0X0.5X0.5MM R/TP PILKOR ELECTRONICS LTD. LGE Internal Use Only - 248 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 249 C2327 ECCH0009101 Ceramic,Chip 55TO+85C 0603 R/TP - TDK CORPORATION C2330 C2331 C2355 C2356 C2357 C2358 C2360 C2362 C2385 LGE Internal Use Only - 249 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 250 LM3530TMX-40 NOPB 2.7 to 5.5V adj 0W CSP IC,DC,DC U4400 EAN62186901 R/TP 12P - NATIONAL SEMICONDUCOTR Converter CORPORATION. LGE Internal Use Only - 250 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 251 F EPSON TOYOCOM CORP PM8110 to 5.5V adj 0W CSP R/TP 118P SMBC, U4100 IC,PMIC EAN62737301 PWM, 19.2MHz XO QUALCOMM INCORPORATED. LGE Internal Use Only - 251 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 252 GRM155R60J474K 470nF 10% 6.3V X5R - Capacitor C5101 ECZH0001217 25TO+70C 1005 BK-DUP - MURATA Ceramic,Chip C5409 MANUFACTURING CO.,LTD. LGE Internal Use Only - 252 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 253 R5404 Resistor,Chip ERHZ0000411 ROHM. R6700 R6701 MCR01MZP5J100 10OHM 5% 1/16W 1005 R/TP - Resistor,Chip ERHZ0000402 R9503 ROHM. R9504 LGE Internal Use Only - 253 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 254 CL03A225MQ3CRNC 2.2uF -20TO20% 6.3V X5R - C2102 Capacitor EAE62726601 55TO+85C 0603 R/TP 0.3T - SAMSUNG C2310 Ceramic,Chip ELECTRO-MECHANICS CO., LTD. C2361 LGE Internal Use Only - 254 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 255 1005GC2T2N2SLF 2.2NH 0.3NH - 300mA - - C1607 Inductor ELCH0004721 0.16OHM 6GHZ 8 SHIELD NONE 1.0X0.5X0.5MM C1609 Multilayer,Chip R/TP PILKOR ELECTRONICS LTD. C1619 L1106 LGE Internal Use Only - 255 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 256 1005GC2T10NJLF 10NH 5% - 250mA 0.42OHM Inductor,Multilayer, L2,L3 ELCH0004706 2.5GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Chip PILKOR ELECTRONICS LTD. LGE Internal Use Only - 256 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 257 ELECTRONICS CORP. R2204 R2205 R2206 MCR01MZP5J222 2.2KOHM 5% 1/16W 1005 R/TP Resistor,Chip ERHZ0000443 R2207 - ROHM. R2208 R2209 LGE Internal Use Only - 257 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 258 R/TP 5P EPCOS PTE LTD. GB042-34S-H10-E3000 34P 0.4MM STRAIGHT CN7200 Connector,BtoB ENBY0040301 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 1005GC2T8N2JLF 8.2NH 5% - 250mA 0.37OHM Inductor L1604 ELCH0004705 2.8GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip PILKOR ELECTRONICS LTD. LGE Internal Use Only - 259 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 260 ESD18VU1B-02LRH 18.5V 20 22.9V 2A 0W TSLP- ZD5300 Diode,TVS EAH62233601 2-17 R/TP 2P 1 INFINEON TECHNOLOGIES (ASIA PACIFIC) PTE LTD. LGE Internal Use Only - 260 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 261 CL05A475MQ5NRNC 4.7uF 20% 6.3V X5R - Capacitor C1507 ECCH0017601 55TO+85C 1005 R/TP 0.5MM - SAMSUNG Ceramic,Chip C3300 ELECTRO-MECHANICS CO., LTD. LGE Internal Use Only - 261 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 262 1005GC2T27NJLF 27NH 5% - 200mA - - 0.9OHM Inductor L1110 ELCH0004715 1.4GHZ 8 SHIELD NONE 1.0X0.5X0.5MM R/TP Multilayer,Chip L5303 PILKOR ELECTRONICS LTD. LGE Internal Use Only - 262 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 263 04-5161-005-100-868 7P 0.90MM ANGLE CN9200 Connector,I/O EAG63090001 RECEPTACLE DIP R/TP Normal New IO Connector KYOCERA ELCO KOREA SALES CO.,LTD. LGE Internal Use Only - 263 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 264 55TO+85C 1608 R/TP 0.8MM SAMSUNG C4400 Ceramic,Chip ELECTRO-MECHANICS CO., LTD. SFHG89DQ102 FL1103 Filter,Saw EAM62633001 1575.42@GPS/1601.72@GLONASS 1.4x1.1x0.5t SMD R/TP 5P WISOL.CO.,LTD LGE Internal Use Only - 264 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 265 R9605 - ROHM. MCR01MZP5J220 22OHM 5% 1/16W 1005 R/TP - R2211 Resistor,Chip ERHZ0000441 ROHM. LG HK0603 82NJ-T 82NH 5% - 70mA - - 3.37OHM Inductor L5101 EAP61866701 1GHZ 4 SHIELD 0 0.6X0.3X0.3MM R/TP TAIYO Multilayer,Chip YUDEN CO.,LTD HK0603 68NJ-T 68NH 5% - 80mA - - 2.66OHM...
Page 266 0GF.CM 29OHM DONGYANG CHENGJI CO. PIFA BMI120B1 MULTI -5DB 3.0 SIMA - Main Carrier EAA01 EAA63206601 Antenna,Multiple AT&C CO.,LTD LGE Internal Use Only - 266 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 267 SAD34249601 Application QCT - Software,USB SAD010500 SAD34249801 Windows - Driver SAD010600 Software,OSP SAD34249701 Windows Android KK - - LGE Internal Use Only - 267 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 268: Accessory
CO.,LTD HC-MYD-LG175 20mW 16OHM 105DB EAB010200 Earphone,Stereo EAB62808711 20HZTO20KHZ 1.08M WHITE 4 POLE PLUG open type I-SOUND CO,LTD LGE Internal Use Only - 268 - Copyright © 2014 LG Electronics. Inc. All right reserved. Only for training and service purposes...

LG -D175F Service Manual

1 Introduction

2 Performance

3 Trouble Shooting

4 Download

5 Block Diagram

6 Circuit Diagram

7 Bga Pin Map

8 Pcb Layout

9 Calibration

10 Hidden Menu

11 Disassemble Guide

12 Exploded View & Replacement Part List

Quick Links

Troubleshooting

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Summary of Contents for LG LG-D175F

Table of Contents