LG Nexus 5 Service Manual
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3. TROUBLE SHOOTING - 151 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only C9004 2.2uC9002100n +1V8_8M_VDDIO CN9000 GB042-30S-H10-E3000 ENBY0040701 16 15 17 14 18 13 19 12 20 11 21 10 22 9 23 8 24 7 25 6 26 5 27 4 28 3 29 2 30 1 ZD9001C9009 4.7u ICMEF104P101MFR FL9001 EAM62630501 10 9 8 4 7 3 6 2 5 1 EAH61892901RCLAMP7522T D9000 4 3 5 2 1 2.2u C9003 MIPI_CSI0_LANE2_ PMIPI_CSI0_LANE2_M CAM0_I2C_SCLCAM0_I2C_SDA MIPI_CSI0_LANE3_MMIPI_CSI0_LANE3_P MAIN_CAM_MCLK MAIN_CAM_RESET_N +1V2_VREG_L3 +2V7_8M_ANA revC->rev10(0603) revC->rev10(0701) TP1 TP2 TP7 CN9000 GB042-30S-H10-E3000 ENBY0040701 16 15 17 14 18 13 19 12 20 11 21 10 22 9 23 8 24 7 25 6 26 5 27 4 28 3 29 2 30 1 EAM62630501FL9000 ICMEF104P101MFR10 9 8 4 7 3 6 2 5 1 ICMEF062P900MFR EAM62570201FL90026 5 3 2 4 1 D1D4D2D3 G1 G2 C9008 1u ZD9000 C9001 2.2u2.2u C9000 MIPI_CSI0_LANE1_PMIPI_CSI0_LANE1_M MIPI_CSI0_LANE0_PMIPI_CSI0_LANE0_M MIPI_CSI0_CLK_PMIPI_CSI0_CLK_M +2V8_OIS_ANA +2V8_OIS_DIG OIS_RESET+1V8_8M_VCM TP6 TP5 TP3
3. TROUBLE SHOOTING - 152 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only BOT TP4 TP7 TP2 TP1TP5TP3 CN9000 TP6
3. TROUBLE SHOOTING - 153 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.9.2 1.26M Front Camera Trouble Shooting 1.26M Front camera control signals are generated by MSM8974 Disconnect and reconnect camera connector (CN9001) Yes Yes No No No No START TP1 : 1.8V TP2 : 1.8V TP3 : 2.7V Camera is OK? Camera is OK? TP4 : 19.2MHz END Change the Main Board Change the Camera module END Yes Yes
3. TROUBLE SHOOTING - 154 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only D9002EAH61892901RCLAMP7522T 4 3 5 2 1 C9025 2.2u2.2u C90262.2u C9027 ENBY0039601 GB042-20S-H10-E3000 CN9001 11 10 12 9 13 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1 +1V8_VREG_LVS2 CAM1_I2C_SCL CAM1_I2C_SDA +2V7_VREG_L18 VT_CAM_RESET_N +1V8_VT_DVDD VT_IOVDD TP1 TP2 TP3 ZD9002 ENBY0039601 GB042-20S-H10-E3000 CN9001 11 10 12 9 13 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1 EAM62630501 FL9003 ICMEF104P101MFR 10 9 8 4 7 3 6 2 5 1 VT_CAM_MCLK MIPI_CSI2_CLK_PMIPI_CSI2_CLK_M MIPI_CSI2_LANE0_M MIPI_CSI2_LANE0_P TP4
3. TROUBLE SHOOTING - 155 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only BOT TP4 TP2TP1 TP3 CN9001
3. TROUBLE SHOOTING - 156 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.10 Main LCD trouble Main LCD control signals are generated by MSM897 Follow the power ONTrouble shooting Change the Lower FPCB Disconnect and re-connectLCD Connector in Lower FPCB(CN16001) No No No START LCD display OK? Check LCD Power in Main BoardTP1(DSV_EN)TP2(+5V5_DDVDH)TP3(-5V5_DDVDL)TP4(WLED_A) Check LCD Power in Lower FPCBTP5(+3V1_VREG_L22)TP6(+1V8_VREG_LVS3)TP7(+5V5_DDVDH)TP8(-5V5_DDVDL) Change the Main Board The LCD works Change the LCD Module END Press PWR key turn the power on Yes Yes Yes Yes Is the circuit powered? No
3. TROUBLE SHOOTING - 157 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only C9019 10u L90024.7u U9004 DW8755 D3 B3 D2 B1 C2 A3 C3 D1 B2 A1 C1 A2 PVIN1 -VOUT_N AVIN PGND EN AGND1 SW_P FDSW_N AGND2VOUT_P REF R9001 10K C9020 1uC9023 10u 4.7u L9001 C9018 10u -5V5_DDVDL +5V5_DDVDH+VPWR GND DSV_EN Change:revC->rev1.0(0624)revC->rev1.0(0701) Change:rev10->rev11(0729) DSV_EN : TP1 (R9001) +5V5_DDVDH : TP2 (C9019) -5V5_DDVDL : TP3 (C9023) ZD16004ZD16003 ZD16006ZD16005C16001 33nVA16001 ZD16002 C16002 1uVA16000VA16002 ZD16001ZD16000 ZD16007 +1V8_VREG_LVS3 +3V1_VREG_L22 C160001u +1V8_VREG_LVS3R16022 10K FL16002 1 5 2 63 7 4 8 9 10 FL16000 6 5 3 2 4 1 D1D4D2D3G1 G2 FL16001 10 9 8 4 7 3 6 2 5 1 R1600110KVA16003 CN16001 21 20 22 19 23 18 24 17 25 16 26 15 27 14 28 13 29 12 30 11 31 10 32 9 33 8 34 7 35 6 36 5 37 4 38 3 39 2 40 1 G1 G2G3 G4 -5V5_DDVDL +5V5_DDVDH LCD_PWM WLED_AWLED_C1WLED_C2 TOUCH_RESET LCD_MAKER_ID TOUCH_INT_N LCD_VSYNC LCD_RESET_N MIPI_DSI0_LANE3_M MIPI_DSI0_CLK_MMIPI_DSI0_CLK_P MIPI_DSI0_LANE0_P MIPI_DSI0_LANE1_MMIPI_DSI0_LANE1_P TOUCH_I2C_SDATOUCH_I2C_SCL MIPI_DSI0_LANE3_P MIPI_DSI0_LANE2_MMIPI_DSI0_LANE2_P MIPI_DSI0_LANE0_M 05/20 RevE => RevG RevH => Rev10 (0702) 4/2 Changed 4/4 Changed 4/2 Changed +5V5_DDVDH : TP7 (ZD16001) -5V5_DDVDL : TP8 (ZD16000) +3V1_VREG_L22 : TP5 (ZD16002) +1V8_VREG_LVS3 : TP6 (C16002 or ZD16007)
3. TROUBLE SHOOTING - 158 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only BOT TP3 : C9023 TP1 : R9001 TP2 : C9019 10u L9000 R9000 100K D9001 SDB0530 C9005 10uC9007 100p U9000 EAN62626401LM3630 C2 B3 D2 B2 A1 A2 D1 C3 C1 A3 D3 B1 HWENILED1 SW PWM INOVPSCLSDA INTNILED2 GNDSEL 1u C9006 COMMON_I2C_SCLCOMMON_I2C_SDA +VPWR LCD_PWM WLED_C2 WLED_C1 LCD_BL_EN WLED_A Change:revB->revC(0604) Change:revC->rev10(0701) Change:rev10->rev11(0802) I2C address : 0x38 30V / 0.5A WLED_A : TP4 (C9006 &C9007)
3. TROUBLE SHOOTING - 159 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only TOP TP5 TP6TP7TP8 WLED_A : TP4 (C9006 &C9007)
3. TROUBLE SHOOTING - 160 -Copyright © 2013 LG Electronics. Inc. All right reserved.Only for training and service purposesLGE Internal Use Only 3.11 Touch Trouble Shooting Touch control signals are generated by MSM8974 Follow the power ONTrouble shooting Change the Lower FPCB Disconnect and re-connectLower FPCB Connector (CN16000)LCD Connector in Lower FPCB(CN160001) No No No START LCD display OK? Check Power in Lower FPCB TP1(+3V1_VREG_L22)/TP2(+1V8_VREG_LVS3) TP4(+5V5_DDVDH)/TP3(-5V5_DDVDL) TP6(TOUCH_I2C_SDA)/TP5( TOUCH_I2C_SCL) Check signal in Main Board TP6 (TOUCH_I2C_SDA) TP5 (TOUCH_I2C_SCL) Change the LCD & Touch Module The Touch works Change the Main Board END Press PWR key turn the power on Yes Yes Yes Yes Is the circuit powered? No