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4.21.2 Checking RefClk signal XTAL_XOP/XON (pin20/19) LGE Internal Use Only - 160 - 4. TROUBLE SHOOTING Settings NFC mode on and check RefClk frequency: XTAL_XON/XON (pin 20/19) at approx 1V pk-pk and 26MHz using oscilloscope. START 26MHz OK? Yes Crystal CLK is OK/ See the next Step No TP2 R9014 DNI 34 SCL 33 SDA XTAL_XOP XTAL_XON 26MHz TP1 20 19 28 TX2 29 TX1 11 CLK_REQ 10 HOST_WAKE 7 NFC_WAKE 8 TM2 R9001 4.7K VDD_EE 4.7K R9002 R9009 R9010 0 4.7K C9022 12p X9001 1ZCB26000AB0M 4 3 26MHz Replace Crystal Componet 1 TP1 26MHz Keep away from noise trace CLK_REQ_BCM NFC_WAKE_BCM 2 TP2 C9023 12p Rev.E L9002 330n Rev.E Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes L9003 330n C9016 180p C9019 180p
4.21.3 Checking VDDIO, REG_PU, VDD_EE LGE Internal Use Only - 161 - 4. TROUBLE SHOOTING Settings NFC mode on and check the supplying voltage 1.8V of VDDIO (Pin13), REG_PU (Pin25), VDD_EE (Pin32) VREG_S4_1P8 C9036 R9008 0 TP9004 C9037 DNI NFC_IRQ I2C_COMMON_SCL TP9002 I2C_COMMON_SDA TP9005 TP9006 NFC_SWP NFC_VEN R9006 0 TP9003 DNI VDD_EE will add an EXTERNAL EEPROM for eSE 25 REG_PU 22 LPO 15 SPI_INT 17 16 14 12 UART_RXD UART_CTS_N UART_RTS_N UART_TXD 4 SWPIO_1 3 SWPIO_0 C9038 10u 35 GND U9002 C9027 4.7u C9030 4.7u C9031 1u C9032 1n C9034 10n C9035 1n U9003 9 NC3 1 8 GND VPS 2 7 SWIO NC2 3 6 NC1 RST 4 5 IO0 CLK 18 31 1.8V NC1 NC2 VDD_EE VDD_ANT VDDA_CAP VDDC_CAP VDD_VCO VDD_XTAL VDD_EEPROM_IN VDD_ADC VDDSWP_OUT1 VDDSWP_OUT0 VDDSWP_IN VDDIO VBAT 32 30 27 24 23 21 9 6 5 2 1 13 26 Rev.D C9039 330n R9014 DNI SCL SDA 34 33 20 XTAL_XOP 19 XTAL_XON 28 TX2 29 TX1 11 CLK_REQ 10 HOST_WAKE 7 NFC_WAKE 8 TM2 R9012 DNI R9001 4.7K 1.8V VDD_EE 4.7K R9002 R9009 R9010 0 4.7K C9022 12p Rev.D C9033 C9026 C9028 C9029 4.7u 100n 100n 330n X9001 1ZCB26000AB0M 4 3 1 26MHz NFC_VPWR Keep away from noise trace 2 VREG_S4_1P8 NFC_VPWR C9023 12p Rev.E Rev.E L9002 330n R9007 0 C9016 180p VREG_MODEM_L6_2P85 +3V0_USIM_NFC C9014 47p +VPWR C9017 33p Rev.E C9019 C9020 Rev.E 180p 33p L9003 330n C9015 47p R9004 0 CLK_REQ_BCM A suggested part is the Coilcraft 0603HL-331XJRC L9002/L9003 NFC_WAKE_BCM DCR = 1 ohm or less Current handling 250mA minimum VA9002 Rev.B ANT9003 MCE62492901 ANTENNA FEED MCE62492901 ANT9004 ANTENNA Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes R9003 0 VA9001 FEED
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Internal Use Only Service Manual LG
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1. INTRODUCTION 1.1 Purpose LGE Int
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2. PERFORMANCE 2.1 Product Name LG-
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Display LGE Internal Use Only LGE I
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4) Battery Type Li-ion Battery Pack
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2) 2) WCDMA transmitter specificati
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4) 4) HSDPA HSDPA transmitter speci
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6) 6) WLAN 802.11b transceiver spec
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8) 8) WLAN 802.11n transceiver spec
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Rx Min input Sensitivity Rx Max inp
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Rx Min input Sensitivity Rx Max inp
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Out of Band Spurious Emission LGE I
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3.CIC_AND SERVICE CENTER 3.1 CIC FA
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No FAQ Q&A 4 Q The GPS location isn
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No FAQ Q&A 10 Q How do you install
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No FAQ Q&A 13 Q A Request for devel
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No FAQ Q&A 15 Q How do you Reset an
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No FAQ Q&A 18 Q How do you use HDMI
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No FAQ Q&A 22 Q Battery consumption
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No FAQ Q&A 25 Q A LGE Internal Use
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4. TROUBLE SHOOTING 4.1 RF Componen
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RF component LGE Internal Use Only
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LGE Internal Use Only WCDMA B1, B5
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4.3 Checking TCXO Block LGE Interna
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LGE Internal Use Only Check TP1 (VR
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ANT_SW_SEL0 ANT_SW_SEL1 ANT_SW_SEL2
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4.5 Checking WCDMA Block LGE Intern
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SW11000 G2 G1 ANT Vendor=I-PEX Part
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testing, Max power output is needed
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UMTS_HB_RF_IN GSM_HB_RF_IN HB_EN VM
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WCDMA B6 LGE Internal Use Only TP1
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UMTS_HB_RF_IN GSM_HB_RF_IN TX_ANT_L
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- PAM control signal PA_ON0 GSMLB (
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LGE Internal Use Only Set the phone
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_L2 TX C11059 DNI L11039 100p C1105
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C11036 0.5p 3.3n L11026 LGE Interna
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- PAM control signal PA_ON3_U850 (C
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4.5.4. Checking RF Rx Level WCDMA B
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LGE Internal Use Only START No Chec
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WCDMA B2 LGE Internal Use Only - 91
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WCDMA B5 LGE Internal Use Only - 97
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LGE Internal Use Only 2,3 - 101 - 1
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4.6.4 Checking RF Rx Block SW11000
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4.6.5 Checking RF DRX Level [UMTS B
Page 109 and 110: 4.6.6 Checking RF DRX Level [UMTS B
Page 115 and 116: 4.7 GPS/WIFI/BT Module 4.7.1 GPS Mo
Page 117 and 118: 4.8 GPS/WIFI/BT SIGNAL PATH 4.8.1 G
Page 119 and 120: ANT1205 ANTENNA ANT1204 CONTACT FL1
Page 121 and 122: 4.9.2 Checking WIFI,BT LGE Internal
Page 123 and 124: VSW_S8_1 VSW_S8_2 V10 VREG_S8 U11 D
Page 125 and 126: 4.10.1 Speaker troubleshooting Spea
Page 127 and 128: 4.10. 3 Main MIC troubleshooting 4.
Page 129 and 130: 4.10. 5 Ear-MIC troubleshooting Ear
Page 131 and 132: Disable to using headset MIC or hea
Page 133 and 134: GPIO_0/MDP_VSYNC_P/VFE_CAM_TIMER_6B
Page 135 and 136: 4.12 Main LCD trouble Main LCD cont
Page 137 and 138: LGE Internal Use Only TP2 - 137 - 4
Page 139 and 140: 4.13 Touch trouble Touch control si
Page 141 and 142: 4.14 Vibrator Troubleshooting Check
Page 143 and 144: Mainboard bottom Mainboard bottom L
Page 145 and 146: Rev.B VREG_LVS4_1P8 C8002 10n VREG_
Page 147 and 148: LGE Internal Use Only Change the Gy
Page 149 and 150: 4.17 Proximity Sensor on/off troubl
Page 151 and 152: 4.18 Light Sensor on/off trouble Li
Page 153 and 154: 4.19 Pressure Sensor troubleshootin
Page 155 and 156: LGE Internal Use Only TP1 TP2 - 155
Page 157 and 158: MCE62492901 ANTENNA ANT1100 FEED MC
Page 159: 4.21.1 Checking VBATT Settings NFC
Page 163 and 164: 4.21.5 Checking NFC Antenna (Batter
Page 165 and 166: CN7002 1 2 LGE Internal Use Only C7
Page 167 and 168: LGE Internal Use Only X23002 Q13FC1
Page 169 and 170: c. Charging current flow check poin
Page 171 and 172: R7025 10K 1 GND 2 /SR1 10 RST2 9 NC
Page 173 and 174: LGE Internal Use Only - 173 - 5. DO
Page 189 and 190: 6.BLOCK DIAGRAM [LG-E960] APQ8064 F
Page 191 and 192: LGE Internal Use Only PA_EN_L7 - 19
Page 193 and 194: [M] [LG-E960] APQ8064 APQ8064 Block
Page 195 and 196: [LG-E960] APQ8064 Block Diagram ; N
Page 197 and 198: [M] APQ8064 Block Diagram : Slimpor
Page 199 and 200: [M] APQ8064 Block Diagram : TOUCH S
Page 201 and 202: [LG-E960] [M] Wireless Charging Blo
Page 203 and 204: [LG-E960] Power Block Diagram Rev.A
Page 205 and 206: [M] E960 NFC Block diagram [LG-E960
Page 207 and 208: ANT4 UMTS B1,2,4,8(MRD) LTE B1,2,3,
Page 209 and 210: LGE Internal Use Only MDM9215M data
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PMIC_PM8018 LGE Internal Use Only M
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- 213 - Copyright © 2012 LG Electr
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LGE Internal Use Only +VPWR C24001
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LGE Internal Use Only HPH_REF EJ_MI
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SC7001 SC7002 LGE Internal Use Only
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LGE Internal Use Only VREG_S4_1P8 V
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MCE62492901 ANTENNA ANT1100 FEED MC
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U21001 - APQ8064 top (Top View) U21
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U13001 - MDM9215M (Top View) U13001
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U24001 - PM8821 (Top View) U24001 -
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U5001 - WCD9310 (Top View) U5001 -
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U9001 - BT/WiFi (Top View) U9001 -
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U6004 - Slimport (Top View) U6004 -
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U4002 : EMMC Memory - no booting /
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LGE Internal Use Only E960 MS695 [T
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LGE Internal Use Only LGE960 - 241
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LGE Internal Use Only E960 MS695 LG
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LGE Internal Use Only - 245 - 10. C
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LGE Internal Use Only 5.3V 5.0V - 2
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LGE Internal Use Only - 255 - LG-E9
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LGE Internal Use Only E960 MS695 -
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2. Disassemble Battery Cover LGE In
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4. Disassemble BATTERY & PCB LGE In
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6. Disassemble MAIN PCB LGE Interna
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12. EXPLODED VIEW & REPLACEMENT PAR
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EXPLODED VIEW (TOTAL) LGE Internal
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12.3 Accessory LGE Internal Use Onl
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