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4.20 Wireless Charging troubleshooting When the Wireless Charger does not work, the reason is antenna or chip problem. Wireless charging is not controlled by main system core. TP1 : Input power from secondary coil: AC 19V 100KHz ~ 200KHz TP2 : Open-drain output – active when charging of the battery is active LGE Internal Use Only No No START Check the antenna Yes Charging is OK? END No Change Battery cover Yes Charging is OK? END Is signal OK? No Charging is OK? No Change the main board - 156 - Yes 4. TROUBLE SHOOTING END Yes charging is OK? END Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes
MCE62492901 ANTENNA ANT1100 FEED MCE62492901 ANTENNA ANT1101 FEED TP1 LGE Internal Use Only TP1 C1105 68n 50V C1106 68n 50V C1109 47n 50V C1107 1.8n 50V C1108 100p COG C1115 C1102 C1103 C1104 C1113 10n 50V 0.47u 25V C1116 22n 50V TP2 22n 50V 0.47u 25V 10n 50V F3 AD_EN E4 COM1 E3 CLMP1 C4 BOOT1 B3 AC1_1 B4 AC1_2 B1 AC2_1 B2 AC2_2 C1 BOOT2 E2 CLMP2 E1 COM2 A1 Main Board Top - 157 - PGND1 A2 U1100 PGND2 PGND3 A3 A4 D1 BAT1 D2 BAT2 D3 BAT3 D4 BAT4 G4 AD G3 TERM G2 EN2 F4 CHG C2 RECT1 C3 RECT2 F1 TS/CTRL PGND4 F2 FOD G1 ILIM R1109 180 R1107 R1100 200 Rev.D Rev.B DNI R1113 4. TROUBLE SHOOTING DNI R1114 Rev.10 3.3K 13.75%(Term Current : 108mA ) Rev.E Rev.D R1116 220K PT1101 MAX 789mA Rev.C Change C1100 0.1u 10K R1108 DNI C1101 1u 25V TP1100 R1118 DNI VADAPTER R1101 10K CHG_STAT TP2 +5V_WLC_OUT VREG_S4_1P8 WLC_ACTIVE_N Copyright © 2012 LG Electronics. Inc. All right reserved. Only for training and service purposes C1110 0.1u 25V C1111 10u 16V C1112 10u 16V
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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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Page 105 and 106: 4.6.4 Checking RF Rx Block SW11000
Page 107 and 108: 4.6.5 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: LGE Internal Use Only TP1 TP2 - 155
Page 159 and 160: 4.21.1 Checking VBATT Settings NFC
Page 161 and 162: 4.21.3 Checking VDDIO, REG_PU, VDD_
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
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ANT4 UMTS B1,2,4,8(MRD) LTE B1,2,3,
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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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