LG LG-E425 Service Manual Download Page 42 | Manualshive

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4. TROUBLE SHOOTING

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Copyright © 2013 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

MBV62422401

ANT1002

FEED

100p

C1127

MBV62422401

ANT100

1

FEED

4

3

2

1

4

3

2

1

15n

L1001

C1128

100p

100p

C1046

C1005

100n

C1010

0.75p

DNI

C100

7

8.2n

L1009

U1001

16
15

14

13

12

11

10

17

9

8

7

6

4

3

28

1

44
43
42
41

40
39
38

37

36

35

32
33
34

24

23

22

29
30
31

18

21

25

20

26

19

27

5

2

GND2

GND5

GND13

TRX1

AN

T

TRX2

GND12

TRX3

VRAMP

PGND3

PGND2

PGND1

GND10

TRX4

GND11

PGND6

PGND5

PGND4

PGND7 PGND8 PGND9

PGND10

PGND11

PGND12

PGND13

PGND14

PGND15

PGND16

GND1

GND14

GND3

GND4

GND6

GND7

GND8

TX_HB_IN

TXEN

TX_LB_IN BS2 BS1 VBAT

T

VC

C

GND9

MODE

L1037

8.2n

C1003

DNI

L1004
4.7n

C1022 1.2n

SW1000

4

3

2

1

ANT

COMMON

G3

G4

C1002 6.8p

100p

C1001

W850_W900_RTX

W1900_W2100_RTX

REV_1.1

TP1

TP2

TP3

TP4

C1109
DNI

C1104

DNI

C1096
2.2u

1950MHz

FL1004

5 3 2

4

1

IN

OUT

G1

G2

G3

2.2u

C1081

C1080
330p

C1095
680p

0.5p

C1090

C1088

DNI

110

R1018

R1019

110

DNI

C1110

3.3n

C1087

680p

C1097

VBAT

C1082
330p

VBAT

FL1008

897.5MHz

5 3 2

4

1

IN

OUT

G1

G2

G3

49.

9

R1022

3.9n

L1021

DNI

C1112

DNI

C1108

4.7n

C1101

FL1007

7

5

8

4

9

2

3

1

6

ANT

RX1

TX

GND1

GND5

GND2

RX2

GND3

GND4

C1076
DNI

L1031 3.3p

3.3p

L1029

L1033

5.6n

0.75p

C1091

L1015 2n

3.6n

L1016

C1107

DNI

L1102 12n

FL1006

1950MHz,2140MHz

7

5

8

4

9

2

3

1

6

ANT

RX

TX

GND1

GND6

GND2

GND5

GND3

GND4

8.2p

C1085

C1089
DNI

L1022 10p

33p

C1111

6.8n

C1103

C1116

8.2n

L1034 3.9p

27n

C1117

L1020

DNI

U1002

6

4

8

3

7

10

1
2

9

5

11

PGND

VEN

RF_OUT

RF_IN

VBAT

VCC

GND

VMODE1

CPL_IN

VMODE0

CPL_OUT

U1003

6

4

8

3

7

10

1
2

9

5

11

PGND

VEN

RF_OUT

RF_IN

VBAT

VCC

GND

VMODE1

CPL_IN

VMODE0

CPL_OUT

L1023

4.7n

C1093
DNI

C1094
DNI

51

R1017

PA_ON0

PA_R0

PA_R0

PA_ON1

3G_PAM_MODE

3G_PAM_MODE

W850_W900_RTX

W1900_W2100_RTX

W1900_W2100_TX_OUT

W850_W900_TX_OUT

RX_WCDMA_900_M

RX_WCDMA_900_P

PDET_IN

RX_WCDMA_HB

8dB

Close to pin1

Band I

Band VIII

REV_1.1

REV_1.1

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Summary of Contents for LG-E425

Page 1: ...Internal Use Only Service Manual LG E425 Date April 2013 Issue 1 0 ...

Page 2: ... 4 6 Checking GSM Block 50 4 7 GPS WIFI BT RF Component 57 4 8 GPS WIFI BT SIGNAL PATH 59 4 9 GPS WIFI BTTrouble shooting 60 4 10 Power ONTrouble Shooting 66 4 11 ChargingTrouble Shooting 69 4 12 3M FF CameraTrouble Shooting 71 4 13 Main LCD trouble 74 4 14 Proximity Sensor on offTrouble Shooting 76 4 15 Motion Sensor on offTrouble Shooting 78 4 16 Compass Sensor on offTrouble Shooting 80 4 17 DC ...

Page 3: ...acilities accessed through or connected to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone ...

Page 4: ... and Attenuation A phone may interfere with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist st...

Page 5: ...FDD1 TX 1920 1980 MHz WCDMA FDD1 RX 2110 2170 MHz WCDMA FDD8 TX 880 915 MHz WCDMA FDD8 RX 925 960 MHz EGSM TX 880 915 MHz EGSM RX 925 960 MHz GSM850 TX 824 849 MHz GSM850 RX 869 894 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz Application Standard WAP 2 0 2 3 Main Parts GSM Solution Item Part Name Comment Digital Baseband MSM7225A Qualcomm...

Page 6: ... Battery RX sensitivity WCDMA FDD1 108 dBm WCDMA FDD8 108 dBm EGSM 107 dBm GSM850 107 dBm DCS 1800 107 dBm PCS 1900 107 dBm TX output power WCDMA GSM GPRS WCDMA 24dBm 3 84MHz 1 3dBm EGSM 33dBm GSM850 33 dBm DCS 1800 30 dBm PCS 1900 30 dBm Class3 WCDMA Class4 EGSM Class4 GSM850 Class1 PCS Class1 DCS EDGE GSM 900 27 dBm DCS 1800 26 dBm PCS 1900 26 dBm E2 GSM900 E2 PCS E2 DCS GPRS compatibility GPRS ...

Page 7: ...Fixed Type CIMA type System connector 5 Pin u USB Ear Phone Jack 3 5 pi type PC synchronization Yes Memory eMMC 4GB LPDDR1 4Gb Speech coding FR EFR HR AMR Vibrator Built in Vibrator Blue Tooth Bluetooth 3 0 EDR MIDI for Buzzer Function SW Decoded 72Poly Music Player MP3 WMA AAC MIDI EAAC HE AAC OGG Video Player MPEG4 H 264 Camcorder MPEG4 or H 263 Voice Recording Yes Speaker Phone mode Support Yes...

Page 8: ...ure RSSI after 10 seconds if you change power 2 Charging Time 210 minutes 1540 mAh charging 3 Travel Charger Input 100 240 V 50 60 Hz Output 5 0V 850 mA 4 Battery Type Li ion Battery Pack 1540 mAh Standard Voltage 3 7 V Battery Full Charge Voltage 4 1V 4 2V Measure RSSI after 10 seconds if you change power 2 ChargingTime 210 minutes 1540 mAh charging 3 Travel Charger Input 100 240V 50 60 Hz Output...

Page 9: ... under Tx Max LCD Backlight off 6 Battery Bar Battery Bar Specification Unit Battery Bar Specification Unit BAR 20 Full OVER 98 Soc BAR 9 8 43 42 Soc BAR 20 19 98 97 BAR 8 7 38 37 BAR 19 18 93 92 BAR 7 6 33 32 BAR 18 17 88 87 BAR 6 5 28 27 BAR 17 16 83 82 BAR 5 4 23 22 BAR 16 15 78 77 BAR 4 3 18 17 BAR 15 14 73 72 BAR 3 2 13 12 BAR 14 13 68 67 BAR 2 1 8 7 BAR 13 12 63 62 BAR 1 0 3 2 BAR 12 11 58 5...

Page 10: ... Profile Yes not same with feature phone setting CLIP CLIR Yes Phone Book Name Number Email Website Postal addresses Organizations Groups Birthday Ringtone There is no limitation on the number of items It depends on available memory amount Ringtone can be specified in the detail view screen Last Dial Number Yes Last Dial Numbers Last Received Numbers and Last Missed Numbers can store up to a total...

Page 11: ...nder No Network Selection Automatic Mute Yes Call Divert Yes Call Barring Yes Call Charge AoC Yes Call Duration Yes SMS EMS There is no limitation on the number of items It depends on available memory amount EMS does not support SMS Over GPRS No EMS Melody Picture No Send Receive Save No MMS MPEG4 Send Receive Save Yes Long Message MAX 2000 characters Cell Broadcast Yes Download Over the Web Game ...

Page 12: ... wml are not supported Download Melody Wallpaper Yes Over web browser SIM Lock Yes Operator Dependent SIM Toolkit Class 1 2 3 C MMS Yes Google MMS Client EONS Yes CPHS Yes V4 2 ENS No Camera Yes 3M FF Digital Zoom x4 JAVA No Voice Dial No IrDa No Bluetooth Yes Ver 3 0 FM radio Yes GPRS Yes Class 12 EDGE Yes Class 12 Hold Retrieve Yes Conference Call Yes Max 6 DTMF Yes Memo pad No TTY No AMR Yes Sy...

Page 13: ... out to less than 1800kHz offset 200kHz 36dBm 600kHz 51dBm 56dBm Spectrum due to modulation out to larger than 1800kHz offset to the edge of the transmit band GSM 1800 3000kHz 63dBc 46dBm 3000kHz 6000kHz 65dBc 46dBm 6000kHz 71dBc 46dBm DCS 1800 3000kHz 65dBc 51dBm 6000kHz 73dBc 51dBm Spectrum due to switching transient 400kHz 19dBm 22dBm 5 0 23dBm 600kHz 21dBm 24dBm 5 0 26dBm Reference Sensitivity...

Page 14: ...of power Adjacent Channel Leakage Power Ratio ACLR 33 dB 5 MHz 43 dB 10 MHz Spurious Emissions f fc 12 5 MHz 36 dBm 1 kHz RW 9 kHz f 150 kHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 60 dBm 3 84 MHz RW 869 MHz f 894 MHz 60 dBm 3 84 MHz RW 1930 MHz f 1900 MHz 60 dBm 3 84 MHz RW 2110 MHz f 2155 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm ...

Page 15: ... Îor 92 7 dBm 3 84 MHz Ioac 52 dBm 3 84 MHz 5 MHz Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset 20 M...

Page 16: ...tep Power step slot boundary Power step size P dB Transmitter power step tolerance dB 5 1 Start of Ack Nack 6 2 3 2 Start of CQI 1 0 6 3 Middle of CQI 0 0 6 4 End of CQI 5 2 3 Spectrum Emission Mask Sub Test 1 1 15 2 12 15 3 13 15 4 15 8 5 15 7 6 15 0 Frequency offset from carrier f Minimum requirement Measurement Bandwidth 2 5 3 5 MHz 35 15 f 2 5 dBc 30 kHz 3 5 7 5 MHz 35 1 f 3 5 dBc 1 MHz 7 5 8 ...

Page 17: ... CH1 CH13 Tx Power Level 20dBm under Frequency Tolerance within 25 PPM Chip clock Frequency Tolerance within 25 PPM Spectrum Mask 30 fc 22MHz f fc 11MHz and fc 11MHz f fc 22MHz 50 f fc 22MHz and f fc 22MHz Power ramp on off time 2us Carrier Suppression 15dB Modulation Accuracy Peak EVM 35 Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx ...

Page 18: ... error rms EVM 5dB Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx Min input Sensitivity PER 10 82dBm 6Mbps 81dBm 9Mbps 79dBm 12Mbps 77dBm 18Mbps 74dBm 24Mbps 70dBm 36Mbps 66dBm 48Mbps 65dBm 54Mbps Rx Max input Sensitivity 20dBm 6 9 12 18 24 36 48 54Mbps PER 10 Rx Adjacent Channel Rejection PER 10 ACR 16dB 6Mbps ACR 15dB 9Mbps ACR 13dB ...

Page 19: ...tion error rms EVM 5dB Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx Min input Sensitivity PER 10 82dBm 6 5Mbps 79dBm 13Mbps 77dBm 19 5Mbps 74dBm 26Mbps 70dBm 39Mbps 66dBm 52Mbps 65dBm 58 5Mbps 64dBm 65Mbps Rx Max input Sensitivity 20dBm 6 9 12 18 24 36 48 54Mbps PER 10 Rx Adjacent Channel Rejection PER 10 ACR 16dB 6 5Mbps ACR 13dB 13...

Page 20: ...for training and service purposes LGE Internal Use Only LGE Internal Use Only 9 GPS receiver specification Item Specification Receive Frequency 1574 42 MHz 1576 42 MHz Minimum Sensitivity 1 satellite 142dBm 7 satellites 147dBm at coarse time aiding 9 GPS receiver specification ...

Page 21: ...et key combination method Power OFF Power key Volume dw key Home key Factory Reset Development requests 1 How to disable Pattern Lock Password and PIN 2 Request to check out if it is specified in the user manual 3 Description on HW Factory Reset Key combination and how to do it 2 Q How do I put in and take out files from the SD card A To write a file on the SD Card connect the USB cable First inst...

Page 22: ... be found due to weather conditions or other surrounding factors indoors radio wave reflections Setting Location Security settings Use Wireless Network is ticked location info can be brought from a nearby base station This may not get correct location info due to a wider margin of error than GPS based location info Tick Use GPS Satellites and stay outdoors to get the GPS based location info which ...

Page 23: ...though the user ends them This is due to the cache set for performance speed before the user runs them or the background service That is because the service is running in the background of the app For example phone or email apps need notify the user of incoming emails or calls even when they are killed 9 Q Wifi connection doesn t work well A WiFi connection glitches result from many causes Try the...

Page 24: ...ad SW Or install the PC Suite Program and it will be installed as well 12 Q How to connect internet data network A Setting Mobile data Make sure Mobile Data is ON When it is OFF turn it ON 13 Q What should I do to connect PC Sync program with the phone A Connect the USB Cable On the phone select as the connection mode LG Software Run PC Suite and connection is made automatically If not go to PC Su...

Page 25: ...tively 17 Q Is it compatible with other devices A Bluetooth connection is available with devices supporting Bluetooth Development requests ex 1 Bluetooth 2 other 18 Q How do you use HDMI A This device does not support HDMI features 19 Q HDMI error occurs A This device does not support HDMI features 20 Q How do you use Smart Share A This terminal does not support Wifi Direct features 21 Q Smart Sha...

Page 26: ...ended 3 Even when you finish some apps and press the Home key the apps remain running in the background consuming the battery power Use the Delete Previous key to end apps or programs 4 Rooting means having a Super User Authority over the Android system domain which may change data in the battery control domain accelerating battery power consumption 5 Some apps requiring regular data updates e g D...

Page 27: ...he phone FOTA Without PC via the phone network 3G 4G WIFI download FOTA Package on the phone for automatic Install Update In either way User Data is maintained 25 Q Until when is it guaranteed after purchase What is the warranty limit A Free warranty period is a year as from the date of purchase Glitches due to external shocks may incur charges for fixing even within the free warranty period 26 Q ...

Page 28: ...estion and answer for any new function or features in the new arrival 27 As the antenna pattern part fixed on the rear case is not coated be careful not to damage the pattern during service work 28 IO Conn may not be inserted horizontally well enough Give a guide to insert it by lifting the hand or the cable slightly 29 GPS is turned on as default Turn off GPS which will help reduce battery consum...

Page 29: ...ve see Carrier Logo of LCD Display Safe Mode you can see Safe Mode after Phone Power On Development requests How to enter the Safe Mode on each model need be described using screen captures 31 Q What is the Memory Size provided for and seen to the end user Development requests 1 Default available memory capacity on the phone is marked in the image attached 2 Actual memory size available to custome...

Page 30: ...d service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 1 RF Component X2000 VCTCXO FL1004 W2100 Tx SAW FL1001 EGSM 850 Rx SAW U1000 RF Transceiver U1001 GSM PAM ASM FL1002 DCS PCS Rx SAW FL1006 W2100 DPX FL1003 W2100 Rx SAW U1002 W2100 PAM FL1007 W900 DPX SW100 Mobile Switch U1003 W900 PAM ...

Page 31: ... Reference Description U1000 RTR6285A Transceiver FL1007 WCDMA VIII Duplexer U1001 GSMTX Module ASM GSM PAM FL1003 WCDMA I RX SAW Filter U1002 WCDMA I PAM FL1001 EGSM 850 Rx saw filter U1003 WCDMA VIII PAM FL1002 DCS PCS Rx saw filter FL1004 WCDMA I TX SAW Filter X2000 VCTCXO 19 2MHz FL1006 WCDMA I Duplexer SW1000 RF Antenna Connector RF component WCDMA GSM ...

Page 32: ...opyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 2 SIGNAL PATH WCDMA I and VIII BandTX Signal PATH D2 WCDMA 2100TX PATH E2 WCDMA 900TX PATH F1 COMMONTX RX PATH ...

Page 33: ...G 33 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WCDMA I and VIII Band RX Signal PATH D1 WCDMA 2100 RX PATH E1 WCDMA 900 RX PATH F1 COMMONTX RX PATH ...

Page 34: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only GSM850 GSM900 DCS PCS s RX TX Signal PATH A GSM850 GSM900 DCS1800 PCS1900 RX PATH B GSM850 GSM900 DCS1800 PCS1900TX PATH C1 COMMONTX RX PATH ...

Page 35: ...utput frequency 19 2MHz of TCXO X2000 is used as the reference one of RTR6285 and PM8029 internal VCO Schematic of the Crystal Part 19 2MHz 19 2MHz 1XXA19200FBB X2000 3 2 4 1 VCONT VCC GND OUT 1n C2017 C2009 10n 1n C2005 R2003 100 0 1u C2006 TCXO_RTR_19 2MHZ TCXO_PM_19 2MHZ VREG_TCXO_2 85V TRK_LO_ADJ Clesed to TCXO TCXO Circuit Rev D update TP1 TP2 TP3 TP2 TP1 TP3 ...

Page 36: ...nc All right reserved Only for training and service purposes LGE Internal Use Only CheckTP1 VCC ofTCXO VCC 2 8V Check PM8029 No Yes CheckTP2 2 4V Voltage 0 4V Check MSM7225A No Yes CheckTP3 19 2 MHz Signal Check soldering and components No Yes TCXO is OK ...

Page 37: ...HOOTING 37 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 4 Checking GSM TX Module GSM PAM ASM Block VBATT TP1 TX_EN ANT_SEL0 ANT_SEL1 ANT_SEL2 ...

Page 38: ...2 GSM1800_Bal_OUT1 GND5 GND4 GSM1800 1900_IN GND1 GND2 GND3 100p C1046 75 R1006 91 R1007 DNI C1123 R1008 91 R1013 130 R1011 47 R1012 130 C1126 DNI 39p C1047 DNI C1124 8 2n L1009 C1039 100p U1001 16 15 14 13 12 11 10 17 9 8 7 6 4 3 28 1 44 43 42 41 40 39 38 37 36 35 32 33 34 24 23 22 29 30 31 18 21 25 20 26 19 27 5 2 GND2 GND5 GND13 TRX1 ANT TRX2 GND12 TRX3 VRAMP PGND3 PGND2 PGND1 GND10 TRX4 GND11 ...

Page 39: ... LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Checking Switch Block Power Source Check ANT_SEL 0 1 2 3 High Level 1 2V Voltage 3V Check theTP1 VBATT No Yes Check the Logic In each mode ...

Page 40: ... All right reserved Only for training and service purposes LGE Internal Use Only 4 5 Checking WCDMA Block START 1 CheckTCXO 19 2MHz 6 Ro download SW Cal 2 CheckTx Module Block Refer to 1 4 3 Check RFTx Level 5 Check RF Level 4 Check PAM Block Refer to 1 5 4 ...

Page 41: ...G Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 1CheckingTCXO Block Refer to 4 3 4 5 2 CheckingTx Module Block Refer to 4 4 4 5 3 Checking RFTX Level Test Point TX Level TP4 TP3 TP2 TP1 ...

Page 42: ...6 2 2u 1950MHz FL1004 5 3 2 4 1 IN OUT G1 G2 G3 2 2u C1081 C1080 330p C1095 680p 0 5p C1090 C1088 DNI 110 R1018 R1019 110 DNI C1110 3 3n C1087 680p C1097 VBAT C1082 330p VBAT FL1008 897 5MHz 5 3 2 4 1 IN OUT G1 G2 G3 49 9 R1022 3 9n L1021 DNI C1112 DNI C1108 4 7n C1101 FL1007 7 5 8 4 9 2 3 1 6 ANT RX1 TX GND1 GND5 GND2 RX2 GND3 GND4 C1076 DNI L1031 3 3p 3 3p L1029 L1033 5 6n 0 75p C1091 L1015 2n 3...

Page 43: ...nternal Use Only RFTx Level is OK Yes Check PAM Block Refer to 1 5 4 CheckTX Module Yes No Check Duplexer Yes No Check RTR6285A Yes No No CheckTP1 Over 21dBm CheckTP2 Over 21dBm CheckTP3 Over 21dBm CheckTP4 Over 7dBm Check ANT_SEL 0 1 2 High Low Low RTR6285 Maximum output Power 7 dBm RTR6285 minimum output Power 80 dBm ...

Page 44: ...E Internal Use Only 4 5 4 Checking PAM Block PAM Control Signal PA_ON0 C1094 PA_ON1 C1110 PAM Enable PA_R0 PAM Gain Control PA_ON must be HIGH over 2 6V PAM IN OUT Signal When PAM is under the operation of high power mode PA_R0 C1093 Low PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm TP3 TP2 TP1 ...

Page 45: ...MHz 2140MHz 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 GND4 8 2p C1085 C1089 DNI L1022 10p 33p C1111 6 8n C1103 C1116 8 2n L1034 3 9p 27n C1117 L1020 DNI U1002 6 4 8 3 7 10 1 2 9 5 11 PGND VEN RF_OUT RF_IN VBAT VCC GND VMODE1 CPL_IN VMODE0 CPL_OUT U1003 6 4 8 3 7 10 1 2 9 5 11 PGND VEN RF_OUT RF_IN VBAT VCC GND VMODE1 CPL_IN VMODE0 CPL_OUT L1023 4 7n C1093 DNI C1094 DNI 51 R1017 PA_ON0 P...

Page 46: ...TROUBLE SHOOTING 46 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 5 Checking RF Rx Level Test Point RF Rx Level TP3 TP5 TP2 TP1 Bias ...

Page 47: ...13 12 11 10 17 9 8 7 6 4 3 28 1 44 43 42 41 40 39 38 37 36 35 32 33 34 24 23 22 29 30 31 18 21 25 20 26 19 27 5 2 GND2 GND5 GND13 TRX1 ANT TRX2 GND12 TRX3 VRAMP PGND3 PGND2 PGND1 GND10 TRX4 GND11 PGND6 PGND5 PGND4 PGND7 PGND8 PGND9 PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 PGND16 GND1 GND14 GND3 GND4 GND6 GND7 GND8 TX_HB_IN TXEN TX_LB_IN BS2 BS1 VBATT VCC GND9 MODE L1037 8 2n C1003 DNI L1004 4 7n ...

Page 48: ...8 2p C1085 C1089 DNI L1022 10p 33p C1111 6 8n C1103 C1116 8 2n L1034 3 9p 27n C1117 L1020 DNI U1002 6 4 8 3 7 10 1 2 9 5 11 PGND VEN RF_OUT RF_IN VBAT VCC GND VMODE1 CPL_IN VMODE0 CPL_OUT U1003 6 4 8 3 7 10 1 2 9 5 11 PGND VEN RF_OUT RF_IN VBAT VCC GND VMODE1 CPL_IN VMODE0 CPL_OUT L1023 4 7n C1093 DNI C1094 DNI 51 R1017 PA_ON0 PA_R0 PA_R0 PA_ON1 3G_PAM_MODE 3G_PAM_MODE W850_W900_RTX W1900_W2100_RT...

Page 49: ...et the phone Rx is On Check bias block soldering No Yes Change the board CheckTP1 Signal exist Check RF Switch M S No Yes CheckTP2 Signal exist CheckTX Module Refer 1 4 No Yes CheckTP3 Signal exist Check Duplexer No Yes CheckTP4 Signal exist DNI SKIP No Yes CheckTP5 Signal exist Check RTR6285 and Rx SAW filter No Yes Check BIAS over 2 1V ...

Page 50: ...50 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 6 Checking GSM Block START 4 Ro download SW Cal 1 CheckTCXO Block 2 CheckTx Module 3 Check RFTRX Level ...

Page 51: ...4 TROUBLE SHOOTING 51 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 3 1 ...

Page 52: ...right 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 6 1 CheckingTCXO Block Refer to 4 3 4 6 2 CheckingTx module Block Refer to 4 4 4 6 3 Checking RFTX level TP3 TP2 TP1 ...

Page 53: ...1 44 43 42 41 40 39 38 37 36 35 32 33 34 24 23 22 29 30 31 18 21 25 20 26 19 27 5 2 GND2 GND5 GND13 TRX1 ANT TRX2 GND12 TRX3 VRAMP PGND3 PGND2 PGND1 GND10 TRX4 GND11 PGND6 PGND5 PGND4 PGND7 PGND8 PGND9 PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 PGND16 GND1 GND14 GND3 GND4 GND6 GND7 GND8 TX_HB_IN TXEN TX_LB_IN BS2 BS1 VBATT VCC GND9 MODE VBAT L1037 8 2n C1003 DNI DNI C1125 L1004 4 7n 10u C1038 C1022...

Page 54: ...ly CheckTCXO Block Refer to 1 3 CheckTP1 If GSM over 31 dBm If DCS PCS over 28 dBm GSM DCS PCSTx is OK Check other part Yes No Change the board CheckTP2 3 If GSM TP2 under 6 dBm If DCS PCS TP3 under 6 dBm CheckTx Module ASM EDGE PAM Refer to 4 4 Yes No Check RTR PAD Check soldering and components No Problem Still exist Problem START ...

Page 55: ... 8 2n L1009 C1024 1 5n C1028 8 2p C1013 1 5n 3 9n L1005 U1001 16 15 14 13 12 11 10 17 9 8 7 6 4 3 28 1 44 43 42 41 40 39 38 37 36 35 32 33 34 24 23 22 29 30 31 18 21 25 20 26 19 27 5 2 GND2 GND5 GND13 TRX1 ANT TRX2 GND12 TRX3 VRAMP PGND3 PGND2 PGND1 GND10 TRX4 GND11 PGND6 PGND5 PGND4 PGND7 PGND8 PGND9 PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 PGND16 GND1 GND14 GND3 GND4 GND6 GND7 GND8 TX_HB_IN TXE...

Page 56: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Set the phone Rx is On Check RF Switch M S No Yes Change the board CheckTP1 Signal exist CheckTP2 Signal exist CheckTx Module Refer to 4 4 No Yes ...

Page 57: ...Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 7 GPS WIFI BT RF Component GPS Component Reference Description ANT1004 C CLIP connected to Carrier type antenna FL1005 GPS SAW FILTER U1004 GPS LNA ANT1004 FL1005 U1004 ...

Page 58: ...s Inc All right reserved Only for training and service purposes LGE Internal Use Only BT WiFi Component Reference Description ANT9001 ANTENNA PAD connected to Carrier type antenna U9000 BT module U9001 WiFi module FL9000 FEM ANT9001 FL9000 U9000 U9001 ...

Page 59: ...3 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 8 GPS WIFI BT SIGNAL PATH GPS Signal PATH main board bottom GPS Rx PATH WiFi BT Signal PATH WiFi BTTxand Rx PATH WLAN_Tx WLAN_Rx BTTRx ...

Page 60: ... 9 1 A GPS Block L1028 100p 100p C1098 L1026 5 6n VREG_RF_2 7V_RTR C1114 DNI DNI C1099 FL1005 1575 42 MHz 5 2 4 1 3 G3 IN OUT G1 G2 C1115 6 8p 18p C1105 0 1u C1106 C1100 DNI 12 R1023 U1004 3 2 5 4 1 RF_IN FIL_OUT VDD S_D GND L1030 4 7n 12 R1021 ANT1004 MBV62422401 FEED 3 3n L1032 3 3n L1025 DNI C1113 DNI L1027 GPS_MODE GPS_IN LNA for the GPS Near To LNA TP2 TP1 TP2 TP1 ...

Page 61: ...lectronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Set the phone GPS is ON CheckTP1 About 2 7V Check power LRC filter soldering No Yes Change the board CheckTP2 About 2 6V Check SW and NV item No Yes ...

Page 62: ... Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 9 2WLAN BT FM Block START 1 Check the Power Component Change 2 Check the Clock 3 Check the Module 3 1 3 2 ...

Page 63: ...NI FL9000 2400MHz 2500MHz 13 11 7 12 2 4 10 9 8 6 5 1 3 WLAN_RX WLAN_TX BT_TRX GND1 GND2 GND3 GND4 TR_SW0 TR_SW1 TR_SW2 ANT CPL PGND L9002 3 9n C9007 DNI C9009 DNI C9006 DNI DNI C9011 C9010 DNI C9014 DNI BT_WLAN_RF BT_WLAN_RF BT_RF_QCT WLAN_SW_ 0 WLAN_SW_ 1 WLAN_SW_ 2 WLAN_PWR_DET_IN WLAN_RF_RX WLAN_RF_TX BT ANT WiFi TX ANT WiFi RX ANT LOW LOW LOW HIGH HIGH LOW ANTENNA SWITCH MODULE LOGIC LOW SW2 ...

Page 64: ..._L FM_R BT_PCM_CLK BT_PCM_CLK BT_PCM_SYNC BT_PCM_SYNC BT_UART_CTS BT_UART_RTS BT_PCM_IN BT_PCM_IN BT_UART_RX BT_UART_TX FM_RDS_INT BT_FM_CLK_WCN BT_FM_CLK_REQ_WCN FM_ANT BT_PCM_OUT BT_PCM_OUT BT_RST_N I2C_COMMON_SDA_WCN I2C_COMMON_SCL_WCN BT_ACTIVE BT_PRIORITY WLAN_ACTIVE BT_RF_QCT BT FM Module WCN2243 close to pin13 close to pin5 close to pin54 close to pin37 C9031 100p 0 1u C9032 C9042 0 1u 100p...

Page 65: ...Only Test point Description Test point Net name Description TP1 3V_WLAN_WCN Power for BT WiFi BB core and WiFi power Amp V Batt TP2 VREG_MSME_1 8V Power for BT power Amp 1 8V TP3 VREG_MSME_1 8V Power for host interface 1 8V START Check the power block No Yes Board Change Module Check Yes No TP1 2 3 is OK SDIO ok UART ok TP3 TP2 TP1 ...

Page 66: ...5V C4054 VREG_MSMA1_2 6V C4049 VREG_MSMA2_1 2V C4045 VREG_TCXO_2 85V C4050 power ON Phone booting and PS_HOLD R4026 go to High START Change or charging the Battery No Yes Redownload SW image Check correctly working power key No Yes Change the Main board No Yes Change the Main board No Yes Battery voltage higher than 3 70V OCV TP1 R8010 high to low when key press Check below power output VREG_MSMC1...

Page 67: ...4 TROUBLE SHOOTING 67 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 68: ...yright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 VREG_P3_2 85V VREG_TCXO_2 85V VREG_MSMA1_2 6V VREG_MSME_1 8V VREG_MSMC2_1 1V VREG_MSMC1_1 1V VREG_MSMA2_1 2V TP2 ...

Page 69: ...tup Connect TA and battery to the phone 4 Troubleshooting Procedure Check the charger TA or USB Cable Check the OVP Circuit Check the Charging IC Check the battery CN4000 11 10 9 5 4 3 2 1 8 7 6 VA4000 ZD4001 FL4001 5 6 3 1 4 2 P2 P4 P1 P3 P6 P5 VBUS_CHG_IN C4001 22p FL4000 1 IN OUT GND1 GND2 USBH_DP USBH_DM USB_ID 2mm VBUS 2mm u USB Connector R4003 3K R4002 750 U4000 PGND 11 IN 1 BAT 10 ISET 2 _P...

Page 70: ... and battery connect terminals of I O connector Connection OK No Yes Is the u USB Cable voltage 4 8V for 5 0V No Yes Is it changing properly After turning on START Check changing IC U4000 SMT status by X ray Exchange changing IC or change the Main board and reset Change I O connector ChangeTA or u USB cable END Yes No ChargerTroubleshoot Flow U4000 ...

Page 71: ...ly 4 12 3M FF Camera Trouble Shooting 3M camera control signals are generated by MSM7225A Check the camera Conn and reconnect the camera No No END END Yes Yes START Yes Change the camera Change the Main board No No Yes MSM7227 output signal check MCLK TP1 Reset TP2 PWDN TP3 Camera is OK Check IOVDD TP4 DVDD TP5 AVDD TP6 Camera is OK ...

Page 72: ...O_21 GPIO_22 GPIO_23 GPIO_24 7 5p C2018 DNI C2019 PA_ON1 CAM_MCLK eMMC_DATA 7 eMMC_DATA 6 eMMC_DATA 5 PM_INT_N PROX_OUT PROX_I2C_SCL SENSOR_I2C_SCL VA5003 VA5004 C5003 2 2u C5004 4 7u CAM_IOVDD_1 8V CN5000 13 12 14 11 15 10 16 9 17 8 18 7 19 6 20 5 21 4 22 3 23 2 24 1 2 2K R5002 2 2K R5003 CAM_IOVDD_1 8V 2 2u C5002 CAM_AVDD_2 8V CAM_DVDD_1 2V CAM_MCLK MIPI_CSI_CLKN MIPI_CSI_CLKP MIPI_CSI_DN MIPI_C...

Page 73: ...4 TROUBLE SHOOTING 73 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 TP2 TP3 TP5 TP4 TP6 ...

Page 74: ...LCD control signals are generated by MSM7225A Those signal s path are MSM7225A LCD Module Press Power key to tun the power On Is the circuit powered Yes Follow the Power ion trouble shooting No LCD display OK START No Yes Change the LCD Module Disconnect and reconnect LCD connector Yes END Change the Main board No Check Power VREG_MSME_1 8V TP1 VREG_LCD_2 8V TP2 ...

Page 75: ...4 TROUBLE SHOOTING 75 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 TP2 ...

Page 76: ...ty Sensor is worked as below Call connected Object moved at the sensor Control the screen s on off operation automatically Measurement VREG_MSME_1 8V VREG_PROX_2 6V PROX_OUT PROX_I2C_SCL SDA Call Connect Object moved at the Proximity Sensor LCD off No No Yes Work well START END Change the Proximity Sensor u9002 No Yes Chang the main board Yes Check PROX_I2C_SDA SCL Output Prox_out TP1 2 3 ...

Page 77: ...or training and service purposes LGE Internal Use Only TP1 TP2 TP3 U9002 5 4 6 3 7 2 8 1 SDA VDD INT SCL LDR GND LEDK LEDA 4 7K R6008 C6004 1u C6005 1u R6006 4 7K 4 7K R6007 VREG_MSME_1 8V VREG_MSME_1 8V VREG_PROX_3 0V PROX_OUT PROX_I2C_SCL PROX_I2C_SDA Proximity sensor TP2 TP3 TP1 ...

Page 78: ...below Accelerometer Sensor function On Tilt the phone 90 The screen is had rotated automatic Measurement VREG_MSME_1 8V MOTION_INT MOTION_I2C_SDA SCL Tilt the phone No No Yes START END No Yes Accelerometer Sensor function On Yes No Yes The Screen is rotated Check Motion_I2C_SDA SCL output Check Motion_INT output Work well Change the Motion Sensor U6000 Change the Motion Sensor U6000 Change the Mai...

Page 79: ...oses LGE Internal Use Only R6004 4 7K R6005 4 7K VREG_MSME_1 8V SENSOR_I2C_SCL SENSOR_I2C_SDA 0 1u C6002 C6001 0 1u VREG_MSME_1 8V U6000 2 5 14 1 13 10 11 6 3 9 8 12 4 7 GND2 DRDY CSB VDD GND3 INT2 GND1 SCK VDDIO PS SDO SDI INT3 INT1 MOTION_INT COMPASS_DRDY SENSOR_I2C_SCL SENSOR_I2C_SDA TP1 TP3 TP2 TP2 TP3 TP1 ...

Page 80: ...ass Sensor is worked as below Compass Sensor function On Measurement VREG_MSME_1 8V MOTION_I2C_SCL SDA COMPASS_DRDY Tilt the phone The Screen is rotated No No Yes Work well START END No Yes Accelerometer Sensor function On Yes Check Motion_I2C_SDA SCL output TP2 TP3 Check MOTION_INT output TP1 Change the Motion Sensor U6000 Change the Motion Sensor U6000 Change the Main board No Yes ...

Page 81: ...oses LGE Internal Use Only R6004 4 7K R6005 4 7K VREG_MSME_1 8V SENSOR_I2C_SCL SENSOR_I2C_SDA 0 1u C6002 C6001 0 1u VREG_MSME_1 8V U6000 2 5 14 1 13 10 11 6 3 9 8 12 4 7 GND2 DRDY CSB VDD GND3 INT2 GND1 SCK VDDIO PS SDO SDI INT3 INT1 MOTION_INT COMPASS_DRDY SENSOR_I2C_SCL SENSOR_I2C_SDA TP1 TP2 TP3 TP2 TP3 TP1 ...

Page 82: ...Internal Use Only 4 17 DC Motor Trouble Shooting Vibrator is worked as below Measurement VBAT VIB_DRV_N TP1 is same voltage asVBAT No Yes Change thr Motor working well START END Change the Main board No Yes Vibrator is not working well Yes Votage is almost 3V Between TP1 andTP2 No Change the PMIC Change the Main board ...

Page 83: ...4 TROUBLE SHOOTING 83 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 TP2 TP1 TP2 1u C7001 D7000 VBAT VB7000 2 1 VIB_DRV_N ...

Page 84: ...ect Trouble Shooting Yes No START Check the SIM Slot No Check Dual SIM Settings No Yes insert SIM Card correctly No Change the Main B D Change the Main B D TP3 is 1 8V or 3 0V and active SIM is checked SIM Card is inserted correctly TP2 is 1 8V or 3 0V TP1 is 1 8V or 3 0V Change the Main B D END Yes Yes Measurement VREG_RUIM1_3 0V SIM1_RST SIM1_IO ...

Page 85: ...ining and service purposes LGE Internal Use Only VA8002 VA8003 VA8004 VA8000 C8000 DNI C8004 0 1u R8000 15K VREG_USIM1_2 85V J8000 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C8002 22p C8003 22p C8005 22p SIM1_CLK SIM1_IO SIM1_RST USIM1 Socket TP2 TP1 TP3 ...

Page 86: ...4 TROUBLE SHOOTING 86 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP2 TP3 TP1 ...

Page 87: ...8029 PMIC FB4001 FB4000 TP2 CN7000 TP1 SPK Pad Yes No START END Yes No Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re contact or Change the SPK RCV module No Change the SPK RCV module Change the U4001 PMIC Yes Change the U2000 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at CN7000 TP1 The sine wave appears at FB4001 FB4000 T...

Page 88: ...SPKR_1 GND_SPKR_2 GPIO_1 GPIO_2 GPIO_3 GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 OPTION1 SBDT PON_RESET_N PM_INT_N PA_THERM PM_TRK_LO TRK_LO_ADJ HSED_BIAS1 HSED_BIAS2 EXT_IN_LP EXT_IN_RM HPA_IN_LP HPA_IN_RM HPA_GNDREF SPKR_IN_M SPKR_IN_P HPA_CM_SNS HPA_OUT_L HPA_OUT_R SPKR_BYP_M SPKR_BYP_P SPKR_OUT_M SPKR_OUT_P 0 R4025 C4041 2 2u 2 2u C4040 C4063 0 1u R4021 12 R4023 12 VREG_MSME_1 8V nPON_RST LINE...

Page 89: ...U4001 PM8029 PMIC R7001 R7000 FB7003 FB7002 TP1 CN7001 3 5pi Ear jack Yes No START END Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re Solder Change CN7001 or change the main PCB No Change the U4001 PMIC Yes Change the U2000 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at FB7003 FB7002 TP1 The sine wave appears at C4040 C4041...

Page 90: ...T PON_RESET_N PM_INT_N PA_THERM PM_TRK_LO TRK_LO_ADJ HSED_BIAS1 HSED_BIAS2 EXT_IN_LP EXT_IN_RM HPA_IN_LP HPA_IN_RM HPA_GNDREF SPKR_IN_M SPKR_IN_P HPA_CM_SNS HPA_OUT_L HPA_OUT_R SPKR_BYP_M SPKR_BYP_P SPKR_OUT_M SPKR_OUT_P 0 R4025 C4041 2 2u 2 2u C4040 C4063 0 1u R4021 12 R4023 12 VREG_MSME_1 8V nPON_RST LINE_OP HPH_R HPH_L RCV_P RCV_N LINE_ON TRK_LO CHG_VALID MSM_USIM1_CLK MSM_USIM1_DATA MSM_USIM2_...

Page 91: ...B4001 FB4000 TP2 CN7000 TP1 SPK Pad Yes No START END Yes No Connect the phone to network equipment and set up call Set up 1KHz tone out No Yes Re contact or Change the SPK RCV module No Change the SPK RCV module Change the U4000 PMIC Yes Change the U2000 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The Sine wave appears at CN7000 TP1 The Sine wave appears at FB4001 FB4000 TP2 The Sine...

Page 92: ...ND_SPKR_1 GND_SPKR_2 GPIO_1 GPIO_2 GPIO_3 GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 OPTION1 SBDT PON_RESET_N PM_INT_N PA_THERM PM_TRK_LO TRK_LO_ADJ HSED_BIAS1 HSED_BIAS2 EXT_IN_LP EXT_IN_RM HPA_IN_LP HPA_IN_RM HPA_GNDREF SPKR_IN_M SPKR_IN_P HPA_CM_SNS HPA_OUT_L HPA_OUT_R SPKR_BYP_M SPKR_BYP_P SPKR_OUT_M SPKR_OUT_P 0 R4025 C4041 2 2u 2 2u C4040 C4063 0 1u R4021 12 R4023 12 VREG_MSME_1 8V nPON_RST L...

Page 93: ...014 TP2 R7007 R7008 C2015 C2014 TP3 MIC_1P MIC_1N of MSM7225A 0 AB MIC Bias MIC_BIAS C2003 TP1 MIC500 No START Change the main PCB Make a call Yes No Make some sound or voice to MIC Yes C2003 TP1 is about 1 8V Some sound signal appears at R7013 R7014 TP2 Some sound signal appears at C2015 C2014 TP3 Yes WorkWell END Yes Change the MIC No Change the U2000 MSM7225A or Change the Main PCB ...

Page 94: ...9 AM18 AK18 AK20 AA3 AD8 D22 AN1 AL31 AK30 B4 E5 E11 D8 E9 A13 B12 A7 B6 C5 A5 D6 E7 C13 C11 HPH_VREF HPH_L HPH_R AUXIN AUXIP MIC1N MIC1P MIC2N MIC2P EAR1_ON EAR1_OP LINE_ON LINE_OP AUX_OUT CCOMP MIC_BIAS RESIN_N RESOUT_N SLP_CLK USBPHY_SYSCLK RSVD4 TCXO MIPI_CAL MIPI_LDO MIPI_DSI_CLK_P MIPI_DSI_CLK_N 0 1u C2002 47p C2001 R2016 10K MIC_BIAS 2 2K R2001 0 1u C2008 0 1u C2016 C2003 1u 0 1u C2007 C201...

Page 95: ... MIC Bias HSED_BIAS1 of U4001 R7012 TP2 Headset MIC HS Detect IC Bias VBAT VREG_MSME_1 8V C7024 TP1 No START Make a call Yes No Make a some sound or voice to MIC Yes C7024 TP1 is about 1 8V R7012 TP2 is about 1 8V Some sound signal appears at FB7004 TP3 Some sound signal appears at C2008 TP4 Yes END No Change the U2001 MSM7225A 0 AB or Change the Main PCB Change the U4001 PM8029 or Change the Main...

Page 96: ...IO MIC DET VDD EN S E JPOLE GND VREG_MSME_1 8V VBAT C7026 470p 1u C7023 0 1u C7024 C7022 33p TP7003 TP7002 TP7001 TP7000 HSED_BIAS1 EAR_SENSE HS_MIC HOOK_DET EAR_MIC_EN EAR_SENSE_3 5PI EAR_POLE_DET EAR_MIC_3 5PI 3 5PI EAR JACK DETECT HOOK DETECT 3 4 POLE JACK DETECT TP2 TP1 VA7006 FB7004 1800 CN7001 6 1 4 4D 5 M5 MIC M4 DETECT M4 L M1 R M6 GND 1800 FB7003 VA7007 FB7002 1800 ZD7000 VA7008 TP3 TP3 ...

Page 97: ...R AUXIN AUXIP MIC1N MIC1P MIC2N MIC2P EAR1_ON EAR1_OP LINE_ON LINE_OP AUX_OUT CCOMP MIC_BIAS RESIN_N RESOUT_N SLP_CLK USBPHY_SYSCLK RSVD4 TCXO MIPI_CAL MIPI_LDO MIPI_DSI_CLK_P MIPI_DSI_CLK_N 0 1u C2002 47p C2001 R2016 10K MIC_BIAS 2 2K R2001 0 1u C2008 0 1u C2016 C2003 1u 0 1u C2007 C2015 0 1u C2014 0 1u R2000 51K VREG_MSME_1 8V nPON_RST PMIC_TCXO SLEEP_CLK LINE_OP HPH_R HPH_L RCV_P RCV_N MIC_1P n...

Page 98: ...ses LGE Internal Use Only 5 DOWNLOAD TOOL INFORMATION TOOLVERSION DLL NAME USB DRIVER LGFLASHv141 LGFLASHv141 LGE425_20130308_ Download LG United Mobile DriverVersion 3 6 Package Release 2011 11 01 Please Check theVersion to B2B H W Name Part No SW D L Cable Micro 5P 56 open 910K USB DLC RAD32167835 TOT ...

Page 99: ...5 DOWNLOAD 99 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 E425 E425 LGFLASHv141 LGFLASHTool1350 ...

Page 100: ...right 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download E425 LGFLASHv141 LGE425_20130308_Download LGFLASHv141 E425 ...

Page 101: ...5 DOWNLOAD 101 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 102: ...5 DOWNLOAD 102 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE425 ...

Page 103: ...5 DOWNLOAD 103 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 104: ...5 DOWNLOAD 104 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 105: ...5 DOWNLOAD 105 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only RAD32167835 ...

Page 106: ...5 DOWNLOAD 106 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 107: ...5 DOWNLOAD 107 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 108: ...5 DOWNLOAD 108 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 109: ...5 DOWNLOAD 109 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 110: ...5 DOWNLOAD 110 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 111: ...Use Only MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download MS695 MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download LGMS695_20120208 dll LGMS695_20120208 LGE425 LGFLASHv141 LGE425_20130308_Download LGE425 011 V10c 310 410 OCT 19 2011 1 tot LGE425 LGE425_130308 LGFLASHv141 LGE425_20130308_Download LGE425_20130308 dll ...

Page 112: ...5 DOWNLOAD 112 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 LGE425 LGE425 LGE425 LGE425 LGE425 E425 ...

Page 113: ...5 DOWNLOAD 113 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 114: ...5 DOWNLOAD 114 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...5 DOWNLOAD 115 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 116: ...5 DOWNLOAD 116 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 LGE425 LGE425 ...

Page 117: ...5 DOWNLOAD 117 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 LGE425 LGE425 ...

Page 118: ...24 PWR End Key PON_RESET_N PS_HOLD GPIO25 RESIN_N PS_HOLD EBI2 Vol up Charging IC RT9524 5pin_USB Connector LINE_ON OP EAR1_OP ON HPH_L R LINE_OP LINE_ON HPH_R HPH_L Vol Down MIC MIC SPK_RCVP N Speaker 3 5 pi Earjack EAR_L R Key COL Key ROW CPU Interface 3 2 QVGA 320 240 TOUCH INT TCXO_19 2M TRK_LO_ADJ TCXO_IN TCXO TCXO_RTR_19 2MHz TCXO_PM_19 2MHz TCXO_IN Proximity Sensor APDS9190 PROX_I2C PROX_IN...

Page 119: ...LNA MCP 2GB eMMC 3Gb RAM TCXO 19 2Mhz VREG_TCXO_2 85V VREG_L8 VREG_L2 MIC MIC_BIAS VREG_LCD_2 8V VREG_L10 Micro SD VREG_SDCARD_2 85V VREG_L13 USIM2 VREG_L15 VREG_USIM2_2 85V 3M CAM VIB_DRV_N WCN1314 WiFi WCDMA GSM PAM CAM_AVDD_2 8V CAM_DVDD_1 2V CAM_IOVDD_1 8V VIB_DRV_N MOTOR VBAT VBAT VBUS PM8029 TOUCH IC VREG_TOUCH_3 0V VREG_L1 VBAT LCD Backlight charge pump PROXIMITY VREG_PROX_3 0V VREG_PLL_1 1...

Page 120: ...1_ON EAR1_OP RCV_N RCV _P LINE_OP LINE_ON SPK_RCV_P SPK_RCV_N SPKR_OUT_P SPKR_OUT_M MIC_BIAS MIC_1P MIC_1N J_MIC EAR_R EAR_L WCN 2243 FM_LO_R FM_LO_L FM_L FM_R EAR_R_PMIC EAR_L_PMIC HS_MIC FM_HRX_IN HPH_L HPH_R EAR_SENSE_3 5PI J_DET DET JPOLE EN EAR_MIC_3 5PI GPIO41 GPIO4 EAR_SENSE EAR_POLE_DET GPIO127 EAE_MIC_EN FM_ANT FM_ANT LGE430 Audio Block Diagram HPA_OUT_R HPA_OUT_L SPKR_IN_M SPKR_IN_P SPKR...

Page 121: ...PA_R0 GSM_PA_BAND ANT_SEL 3 0 ANT_SEL 3 0 GPIO 72 75 TRX_LO_CNK DAC_IREF TX_ON GPIO59 GPIO 72 75 GPIO80 GPIO79 GPIO22 GPIO58 PA_ON0 PA_RANGE0 PA_POWER_CTL Duplexer W2100 Front End Module Duplexer W900 GPS LNA TCXO WCDMA PAM 2100 RF Transceiver QCT RTR6285A WCDMA PAM 900 DCS PCS_Rx SAW PA_ON0 PA_ON1 PA_R0 PA_R0 Rx_WCDMA_900 Rx_WCDMA_2100 Rx_W2100_LNA_OUT W2100 Rx SAW B9411 W2100_Tx GPS_IN OUT VCONT...

Page 122: ...DIO_CLK SLEEP_CLK SDIO_CMD PDET_IN RF_TX_PA SDIO_DATA 3 0 RF_RX FM_LO_R BT_RFIO FM_LO_L FM_RDS_INT BT_UART_TXD BT_UART_RXD FM_HRX_IN BT_UART_CTS BT_UART_RTS SYS_RST_N BT_PCM_OUT BT_PCM_IN SLEEP_CLK BT_PCM_SYNC BT_PCM_CLK WLAN_RST_N WLAN_CLK WLAN_CMD WLAN_SDIO 3 0 FM_R FM_L FM_RDS_INT BT_UART_TX BT_UART_RX BT_UART_CTS BT_UART_RTS BT_RESET_N BT_PCM_IN BT_PCM_OUT BT_PCM_SYNC BT_PCM_CLK MSM7225A WCN13...

Page 123: ...9 E8 E7 E6 E5 E4 D10 D9 D8 D7 D6 D5 D4 N7 N4 N1 M12 M11 M10 M9 M4 K12 H12 G12 F12 E2 C2 B11 B8 B7 B2 A13 A1 M5 M8 N8 M13 N12 N6 N3 M6 L12 G2 L13 F13 K13 F2 A2 B10 A12 B6 G13 B1 A6 D12 A5 E12 H2 D13 H1 E13 F1 D2 B12 D1 C12 A11 B13 A3 C13 N2 J13 J12 M2 M1 H13 L2 L1 N11 N10 K1 K2 N9 J2 J1 A7 A8 G1 A9 N5 E1 B9 A10 B4 B3 M3 B5 C1 A4 M7 RF_ON TX_IP TCXO TX_IN SBDT TX_QP TX_QN LB_RF_OUT1 LB_RF_OUT2 VTUNE...

Page 124: ...PIO_85 PA_PWR_CTL PA_PWR_CTL_M PA_RANGE0 PA_ON0 GSM_BG_REF DAC_IREF TX_ON TX_AGC_ADJ TRK_LO_ADJ I_IM_CH0 I_IP_CH0 Q_IM_CH0 Q_IP_CH0 I_IM_CH1 I_IP_CH1 Q_IM_CH1 Q_IP_CH1 I_OUT_N I_OUT_P Q_OUT_N Q_OUT_P LINE_L_IN LINE_L_IP LINE_R_IN LINE_R_IP HPH_VREF HPH_L HPH_R AUXIN AUXIP MIC1N MIC1P MIC2N MIC2P EAR1_ON EAR1_OP LINE_ON LINE_OP AUX_OUT CCOMP MIC_BIAS RESIN_N RESOUT_N SLP_CLK USBPHY_SYSCLK RSVD4 TCX...

Page 125: ...C1_50 VDD_C1_51 VDD_C1_52 VDD_C1_53 VDD_C1_54 VDD_C1_55 VDD_C1_56 VDD_C1_57 VDD_C1_58 VDD_C1_59 VDD_C1_60 VDD_C1_61 VDD_C1_62 VDD_C1_63 VDD_C1_64 C3025 470n 470n C3028 470n C3032 470n C3043 C3042 470n 470n C3045 C3044 470n C3052 470n VREG_MSME_1 8V C3034 470n VREG_P3_2 85V C3036 470n C3035 470n 470n C3046 470n C3026 C3027 470n 470n C3050 C3040 470n C3031 DNI VREG_MSMA1_2 6V VREG_MSMA2_1 2V VREG_MS...

Page 126: ...XO TCXO_IN XTAL32K_IN XTAL32K_OUT TCXO_A0_EN TCXO_OUT_A0 TCXO_D0_EN TCXO_OUT_D0 TCXO_D1_EN TCXO_OUT_D1 SLEEP_CLK0 PS_HOLD CBLPWR_N KPD_PWR_N RESIN_N OPTION1 SBDT PON_RESET_N PM_INT_N PA_THERM PM_TRK_LO TRK_LO_ADJ HSED_BIAS1 HSED_BIAS2 EXT_IN_LP EXT_IN_RM HPA_IN_LP HPA_IN_RM HPA_GNDREF SPKR_IN_M SPKR_IN_P HPA_CM_SNS HPA_OUT_L HPA_OUT_R SPKR_BYP_M SPKR_BYP_P SPKR_OUT_M SPKR_OUT_P VSW_S1_1 VSW_S1_2 V...

Page 127: ...4 7K R5008 VREG_MSME_1 8V R5007 4 7K 1u C5010 4 7K R5005 4 7K R5004 1u C5011 VREG_MSME_1 8V TP5000 2 2u C5016 FL5003 15pF 10 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 G1 G2 VREG_MSME_1 8V VBAT 1u C5000 CN5001 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 VREG_PROX_3 0V CAM_AVDD_2 8V CAM...

Page 128: ...7023 0 1u C7024 C7022 33p FB7002 1800 TP7003 TP7002 CN7000 2 1 MIC501 1 2 TP7001 ZD7000 TP7000 C7009 8 2p 39p C7018 R7015 DNI R7016 DNI VA7008 R7009 2 2K 39p C7014 100 R7008 R7007 100 R7002 1K 2 2K R7010 VA7010 VA7009 C7013 39p MIC_BIAS GND MIC_1P MIC_1N EAR_L_PMIC EAR_R_PMIC HSED_BIAS1 FM_ANT EAR_SENSE HS_MIC HOOK_DET EAR_MIC_EN EAR_SENSE_3 5PI EAR_SENSE_3 5PI VIB_DRV_N SPK_RCV_P EAR_POLE_DET EAR...

Page 129: ...EG_USIM1_2 85V VA8012 J8000 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 VA8009 VREG_SDCARD_2 85V VA8010 CN8000 14 13 12 11 10 8 7 6 5 4 3 2 1 9 SW1 SW2 VA8014 VA8019 VA8020 VA8011 SW600 4 2 3 1 C8002 22p C8003 22p C8005 22p VA8016 VA8013 C8010 1u R8008 10 CN8002 3 2 1 VA8017 VA8018 VREG_MSME_1 8V KEY_COL 0 KEY_ROW 1 KEY_ROW 0 MMC_CLK KEY_ROW 2 KEY_COL 1 KPD_PWR_N S...

Page 130: ...T_UART_RTS VDD_IO VDD_XO_BIAS VREG_DIG VREG_ANA VDD_LDO_IN VDD_FM_1P3_1 VDD_FM_1P3_2 VDD_FM_1P3_3 VDD_FM_1P3_4 VDD_DIG_1P3 VDD_FM_DAC VDD_BT_PA VDD_BT_1P3_1 VDD_BT_1P3_2 VDD_BT_1P3_3 VDD_BT_1P3_4 FM_RDS_INT SYS_CLK FM_LO_L FM_LO_R BT_PCM_OUT BT_PCM_SYNC BT_CLK_REQ BT_ACTIVE BT_STATUS TX_CONFIRM BT_RFIO C9030 470p C9027 0 1u L9004 82n DNI C9004 C9025 10p DNI R9003 L9005 2 4n C9005 DNI 10K R9008 C90...

Page 131: ...D INT SCL LDR GND LEDK LEDA VREG_MSME_1 8V R6001 4 7K 4 7K R6008 CN6000 6 5 7 4 8 3 9 2 10 1 4 7K R6002 4 7K R6003 C6004 1u C6005 1u VBAT R6006 4 7K 4 7K R6007 VREG_MSME_1 8V LD6007 1 3 4 2 LD6006 1 3 4 2 R6015 100 100 R6018 VREG_TOUCH_3 0V VREG_MSME_1 8V VREG_PROX_3 0V MOTION_INT TOUCH_ID PROX_OUT TOUCH_I2C_SDA TOUCH_INT TOUCH_I2C_SCL PROX_I2C_SCL PROX_I2C_SDA LED_GREEN LED_GREEN LED_RED LED_RED ...

Page 132: ...8 BGA PIN MAP 132 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U3001 Memory MCP Top View 8 BGA PIN MAP U3001 Memory MCP Top View ...

Page 133: ...8 BGA PIN MAP 133 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U2000 MSM7225A Top View U2000 MSM7225A Top View ...

Page 134: ...N MAP 134 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE Internal Use Only U4001 PM8029 Bottom View U4001 PM8029 Bottom View USE NOT IN USE ...

Page 135: ...IN MAP 135 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE Internal Use Only U1000 RTR6285A Top View U1000 RTR6285A Top View USE NOT IN USE ...

Page 136: ... PIN MAP 136 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE Internal Use Only U9000 WCN2243 BT FM Top View U9000 WCN2243 BT FM Top View ...

Page 137: ...8 BGA PIN MAP 137 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U9001 WCN1314 WiFi Top View U9001 WCN1314 WiFi Top View USE NOT IN USE ...

Page 138: ...R6006 R6007 R6008 C6004 C6005 R8007 R8002 R8003 VA8010 VA8011 VA8009 C8010 VA8014 VA8012 VA8013 R8008 R8004 R8005 R8006 VA8008 R6013 LD6002 LD6001 R6012 R6011 R6017 R6018 R6019 R6016 R6015 R6014 LD6003 LD6005 LD6006 SW600 LD6007 M I C 5 0 1 LD6004 LD6000 R6010 9 PCB LAYOUT LG E425_MAIN_EAX65033701_1 1_TOP U9002 Proximity Sensor LCD off when talking close to face ...

Page 139: ...013 C4049 C4069 C4062 C4042 C4040 C4041 C4070 C4053 C4051 C7020 C7021 C7007 C7008 C4072 R4013 C4044 C4043 C4010 R4014 C4015 C9029 C9035 R9007 C9027 C9026 C9028 R9008 C9043 C9030 C9039 C9040 C9034 C9033 C9038 R9004 R8011 VA8016 VA8017 R8012 L9003 CN8002 L9006 C9008 L9004 C9015 C9021 R9003 R9000 FB9000 C9004 C9005 C9013 C9014 C9031 L9000 C9012 C9000 C9042 L9005 FL9000 L9001 L9007 C9020 C9025 C9023 C...

Page 140: ... PIF200 AllType BJAY0024021 USB Cable USB Cable RAD32247898 Power Cable DC Power Cable RAD32247878 I O Cable 5P E SATA_DC_Plug RAD32167861 RF Cable_Main MS 156C BJAY0024004 Power Supply_PIF Power Supply 5 3V Power Supply_Phone Power Supply 5 0V RFTest Equipment E5515C 8960 NOTICE 1 Use the Battery Refer to Attached image 1 Phone states Power off 2 If do not use the battery GSM 850TX fails 2 Port S...

Page 141: ... 141 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 Tachyon36 LGMS695_20120213_Calibration E425 TachyonV40 LGE425 20130403 ALL file Calibration ...

Page 142: ...10 CALIBRATION 142 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only E425 ...

Page 143: ...10 CALIBRATION 143 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE425 ...

Page 144: ...10 CALIBRATION 144 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 145: ...ON 145 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 MS695 MS695 MS695 MS695 E425 E425 E425 E425 E425 LGE425 LGE425 LGE425 E425 ...

Page 146: ...10 CALIBRATION 146 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 147: ...10 CALIBRATION 147 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 148: ...10 CALIBRATION 148 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 0V 5 0V MS 156C BJAY0024004 MS 156C 5 3V 5 3V 1 2 RAD32167861 ...

Page 149: ...10 CALIBRATION 149 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 150: ...10 CALIBRATION 150 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 151: ...10 CALIBRATION 151 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 152: ...10 CALIBRATION 152 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Tachyon 36 Tachyon_36 ...

Page 153: ...10 CALIBRATION 153 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 0V 5 3V ...

Page 154: ...10 CALIBRATION 154 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 155: ...10 CALIBRATION 155 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 156: ...10 CALIBRATION 156 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 E425 ...

Page 157: ...BRATION 157 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 MS695 MS695 MS695 MS695 MS695 E425 E425 E425 E425 E425 E425 E425 ...

Page 158: ...10 CALIBRATION 158 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 MS695 E425 E425 ...

Page 159: ...10 CALIBRATION 159 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 RF900 E425 ...

Page 160: ...ved Only for training and service purposes LGE Internal Use Only 11 HIDDEN MENU 3845 430 Hidden Menu Start Start shortcut keys 3845 425 Hidden Menu Start the desired menu Menu click Version Info Classified Information representation Hidden Menu Settings Version Info 425 ...

Page 161: ...purposes LGE Internal Use Only Factory Reset Format SD Card SD Card Data reset Factory Reset Reset as default Factory Settings Delete Userdata Disabled Hidden menu WCDMA Only Factory Reset AAT DeviceTest AllautoTest You can test all functions automatically Auto AllTest Result You can check Test Results ...

Page 162: ...connecting both SIMs is PASS SD Card connecting is PASS Ear Phone No connecting is PASS Charging Mode connecting is PASS Battery higher than 20 is PASS Key PressTest Check below Items Up Down key Hard Key Power key Hard Key Menu key Touch Key Home key Touch Key Back key Touch Key SIM switch key Touch Key Proximity Sensor Bilnd the Proximity sensor CameraTest Snapshot Touch screen to capture ...

Page 163: ...013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CameraTest Camcoding Camera is recoding for 5 seconds 2D LCD DisplayTest Check Black White Color SoundTest Touch the Play button ...

Page 164: ...s Inc All right reserved Only for training and service purposes LGE Internal Use Only VibratorTest Touch the Start button Touch DrawingTest Draw a guide line Motion SensorTest Check 3 positions Position side Position horizontally Position Vertically ...

Page 165: ...r training and service purposes LGE Internal Use Only GPS BT WifiTest GPS RF test CNO is some value OK Bluetooth Scanning is PASS OK WiFi Scanning is PASS OK FM RadioTest 87 5 Mhz is scanned automatically Connect ear jack Sound LoopbackTest On is test mode on Off is test mode off ...

Page 166: ...DE 166 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 12 DISASSEMBLE GUIDE 1 Disassemble Battery Cover Take apart the battery cover using nail hole below ...

Page 167: ...GUIDE 167 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 Disassemble Battery Screw Screw rear Silver Take apart the battery and remove screw 6points ...

Page 168: ...ctronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Disassemble Rear Cover Hook off the bottom of Front cover by using a disassembling paddle Take apart the Rear cover out of Front cover starting from left ...

Page 169: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 Disassemble Main PCB Hook Take the FPCB out of main PCB Widen the gap between Front cover and main PCB and hook off Hook off the left side for disassembling Main PCB ...

Page 170: ...opyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Disassemble Side volume key Contact Dome Pull Side key to the right side Detach the contact dome from Front cover ...

Page 171: ...c All right reserved Only for training and service purposes LGE Internal Use Only 6 Disassemble LCD Hold the touch window and Push the left side of front cover Back view Take apart the LCD out of Front cover Tip Easy to take apart the LCD module from top side ...

Page 172: ... training and service purposes LGE Internal Use Only 7 Disassemble Shield Can Bracket Speaker Hook off the notches below 2points and pull on the other side Take apart the Motor Camera and Speaker module out of Bracket Speaker by using pincette Detach the Bracket Speaker from the main PCB ...

Page 173: ...12 DISASSEMBLE GUIDE 173 Copyright 2013 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 Complete disassembling E425 ...

Page 174: ...G00 MBG01 ABM00 EAA00 EAC00 GMZZ00 ACQ02 GMZZ00 ACK00 EAJ00 ACQ00 MJN00 ACFA00 EBD00 MCQ02 MCQ00 MDS00 MHK00 MJN01 MJN02 ACQ01 Screw Machine Contact Assembly LCD Module Cover Assembly Front Tape Window Contact Assembly Side Button Touch Window Assembly Button Damper LCD Gasket Sheet Tape Tape Window Cover Assembly Rear MBG00 MBG01 EAA00 EBR00 ABM00 EAB00 EBP00 ABA00 SJMY00 EAC00 ACQ02 Button Side ...

Page 175: ...S840 AMTPTG BK Black 4 ACQ00 Cover Assembly Front ACQ86339902 LGE430 ADEUBK BK BLACK BLACK E430 INDOE BLACK FRONT ASSY 5 MJN020800 Tape Decor MJN68389901 COMPLEX LGE430 ADEUBK ZZ Without Color 5 MJN000000 Tape MJN68341901 COMPLEX LGE430 AVDIKT ZZ Without Color 5 MJN00 Tape Windo MJN68341701 COMPLEX LGE430 AVDIKT ZZ Witho t Color 13 2 Replacement Parts Mechanic component 5 MJN00 Tape Window MJN6834...

Page 176: ...3200 WA White PRINTING PPRI PRINTING 4 MJN061100 Tape Protect MJN68366601 COMPLEX LGE430 ADEUBK ZZ Without Color 4 MCQ02 Button MBG64686801 MOLD PMMA LGE430 AVDIKT BK BLACK BLACK 4 MJN061102 Tape Protect MJN68341601 COMPLEX LGE430 AVDIKT ZZ Without Color 4 MCQ00 Damper LCD MCQ67191602 COMPLEX LGE430 AVDIKT ZZ Without Color E430 Pad LCD Difference with E435F 4 MDS00 Gasket MDS64116601 COMPLEX LGE43...

Page 177: ...F ABRABK ZZ Without Color 5 MBG00 Button Side MBG64687002 MOLD PC LGE430 ADEUBK GR Gray E430 BUTTON Side Volume INDIGO BLACK 5 MBG01 Button Side MBG64686902 MOLD PC LGE430 ADEUBK GR Gray 5 MBL000000 Cap MBL65402101 COMPLEX LGE430 AVDIKT ZZ Without Color 5 ACQ063400 Cover Assembly Rear Sub ACQ86321401 LGE430 AVDIKT GR Gray 6 MBF000000 Bush MBF62844201 PRESS STS 1 8 LGE400 AITABK ZZ Without Color 6 ...

Page 178: ...LGE435F ABRABK ZZ Without Color 1 AGF000000 Package Assembly AGF76818734 LGE425 AAREBK ZZ Without Color LGE425 ARE S7 1H_E425 STD UB Peel 1 200EA Pallet 2 MAY047100 Box Master MBEE0061001 COMPLEX GD510 ACZESV ZZ Without Color EU1 Master Box 2 MEZ003500 L b l B d MLAC0003018 PRINTING HB620T O2DBK ZZ Without Color GSM 2 MEZ003500 Label Barcode MLAC0003018 G 6 0 O t out Co o GS Peel standard_unit box...

Page 179: ...o Description PartNumber Spec Remark 3 MBEC00 Box Carton MBEC0003601 COMPLEX GD510 CZESV ZZ Without Color 3 MCCL00 Cap Box MCCL0002501 COMPLEX GD510 CZESV ZZ Without Color 3 MPCY00 Pallet MPCY0012403 COMPLEX KG800 FRABK DB DARK BLUE 1 AAD000000 Addition Assembly AAD86353801 LGE425 AAREBK BK BLACK BLACK 2 ACQ02 Cover Battery MCK67564402 MOLD PC LGE430 ADEUBK BK BLACK BLACK ...

Page 180: ...ly EBD61526403 STWC L0038E CAPACITIVE TOUCH PFF Melfas MMS128s 3 2 Inch BTOB Black Mirror Key Icon Window SUNTEL CO LTD 5 EAA030100 PIFA Antenna WiFi EAA62950201 ACB 00168 SINGLE 5DB 5 1 SUS BT Carrier MOBITECH CORPORATION 4 EAA00 PIFA Antenna Multiple EAA63044601 KI M08953 MULTI 5DB 5 1 SIMA Main Carrier KOMATECH CO LTD 3 EBR00 PCB Assembly Main EBR77249301 LGE425 AAREBK 1 0 Main 4 EBR071800 PCB ...

Page 181: ...52 C4053 C4054 C4055 C4056 C4057 C4058 C4059 C4060 C4061 C4072 C5000 C5005 C5006 C5007 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 C5010 C5011 C5012 C5013 C5014 C9024 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 C4000 C4006 C4007 C4022 C4023 C4067 C5009 C5017...

Page 182: ...Resistor Chip ERHZ0000201 MCR01MZP5F1000 100OHM 1 1 16W 1005 R TP ROHM 6 EAX010000 PCB Main EAX65033701 LGE435F ABRABK 1 1 FR 4 SBL 8 0 8 Main 6 R8007 Resistor Chip ERHZ0000487 MCR01MZP5J474 470KOHM 5 1 16W 1005 R TP ROHM 6 SW600 Switch Tact ESCY0008702 SKRWANE030 1C1P 12VDC 0 05A VERTICAL 127GF R TP ALPS ELECTRIC CO LTD 6 VA4000 VA8016 VA8017 VA8018 VA8019 VA8020 Varistor SEVY0004301 ICVL0518100Y...

Page 183: ... MANUFACTURING CO LTD 6 FB9000 Filter Bead EAM62471001 BLM03AX241SN1D 240 ohm 0 6X0 3X0 33 25 0 38 ohm 0 35A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 FL1007 Filter Duplexer EAM62514001 SAYFH897MHE0F0A 942 5 MHz 925 to 960 MHz 897 5 MHz 880 to 915 MHz 3 1 dB 2 5 dB 2 0x1 6x0 6t DUAL SMD R TP 9P MURATA MANUFACTURING CO LTD 6 FL1002 Filter Saw Dual EAM62671401 SFRG42MB002 1960 1842MHz 1 5 1 1 0 55...

Page 184: ...7VTO1 95V 11 5x13 0x0 9 TR 153P MLC NAND FBGA 4GB eMMC v4 41 4Gb LPDDR1 MCP 21nm 32Gb TLC 35nm 2Gb LPDDR1x2 SAMSUNG ELECTRONIC CO LTD 6 U6000 IC Acceleration Sensor EAN62637201 BMC150 Accelerometer with Geomagnetic Sensor 2 2X2 2X1 0 LGA R TP 14P Accelerometer with Geomagnetic Sensor BOSCH SENSORTEC GMBH 6 U1003 IC Power Amplifier EAN62657401 RF7228 3 0V to 4 35V 0 0 0W 0W 0 1 SMD R TP 10P 3 3 3G ...

Page 185: ...tor KOREA CORPORATION 6 C4030 Capacitor Ceramic Chip ECCH0000117 CL05C270JB5NNNC 27pF 5 50V NP0 55TO 125C 1005 R TP 0 5 SAMSUNG ELECTRO MECHANICS CO LTD 6 C2001 C7010 C7011 C9008 Capacitor Ceramic Chip ECCH0000122 MCH155A470JK 47pF 5 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 6 C1080 C1082 Capacitor Ceramic Chip ECCH0000137 C1005X7R1H331KT000F 0 33nF 10 50V X7R 55TO 125C 1005...

Page 186: ...tor Ceramic Chip ECCH0000180 GRM1555C1H3R3C 3 3pF 0 25PF 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C1079 C1092 Capacitor Ceramic Chip ECCH0000184 GRM1555C1H2R7C 2 7pF 0 25PF 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C1006 C1012 C1020 C1025 Capacitor Ceramic Chip ECCH0000187 GRM1555C1H151J 150pF 5 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD C3005 C3010 C3...

Page 187: ...59 C4060 C4061 C4072 C5000 C5005 C5006 C5007 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 C5010 C5011 C5012 C5013 C5014 C9024 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 C1081 C1096 Capacitor Ceramic Chip ECCH0005603 GRM188R61A225K 2 2uF 10 10V X5R 55TO 85C 1...

Page 188: ...V X5R 55TO 85C 1608 R TP 0 8MM SAMSUNG ELECTRO MECHANICS CO LTD 6 C5001 C5016 Capacitor Ceramic Chip ECCH0007804 CL05A225MP5NSNC 2 2uF 20 10V X5R 55TO 85C 1005 R TP 0 5MM SAMSUNG ELECTRO MECHANICS CO LTD 6 C4068 Capacitor Ceramic Chip ECCH0009603 CE JMK212 BJ476MG T 47uF 20 6 3V X5R 55TO 85C 2012 R TP 1 25mm TAIYO YUDEN CO LTD 6 C3024 C3041 C4035 C4036 Capacitor Ceramic Chip ECCH0017501 CL10A226MQ...

Page 189: ...G1H8R2CT000F 8 2pF 0 25PF 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 C1010 C1090 L9000 Capacitor Ceramic Chip ECZH0001002 C1005CH1H0R5BT000F 0 5pF 0 1PF 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 C7026 C9030 Capacitor Ceramic Chip ECZH0001121 C1005X7R1H471KT000F 470pF 10 50V X7R 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 C1095 C1097 Capacitor Ceramic Chip ECZH0001122 C1005X7R1H6...

Page 190: ... C3042 C3043 C3044 C3045 C3046 C3047 C3048 C3049 C3050 C3051 C3052 C3053 C3054 C3055 C3056 Capacitor Ceramic Chip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 1005 BK DUP MURATA MANUFACTURING CO LTD C3056 6 C3057 C3058 C3059 C3060 C3061 C3062 C3063 C3064 C3065 C5019 C5020 C9036 Capacitor Ceramic Chip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 1005 BK DUP MURATA MANUFACTURING CO...

Page 191: ...LD NONE 1 0X0 5X0 5MM R TP TAIYO YUDEN CO LTD 6 C1022 Inductor Multilayer Chip ELCH0001411 LL1005 FHL1N2S 1 2NH 0 3NH 400mA 0 1OHM 16GHZ 7 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 6 L9002 Inductor Multilayer Chip ELCH0001040 HK1005 3N9S T 3 9NH 0 3NH 300mA 0 21OHM 4GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TAIYO YUDEN CO LTD 6 C1101 L1004 L1023 Inductor Multilayer Chip ELCH0001406 LL1005 FHL4N7S 4 7NH 0...

Page 192: ...Chip ELCH0003831 LQG15HS1N0S02D 1NH 0 3NH 300mA 0 07OHM 10GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 L1015 L1017 Inductor Multilayer Chip ELCH0003844 LQG15HS2N0S02D 2NH 0 3NH 300mA 0 1OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 C1084 Inductor Multilayer Chip ELCH0004704 1005GC2T4N7SLF 4 7NH 0 3NH 300mA 0 23OHM 3 5GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R...

Page 193: ...LQM2HPN2R2MG0L 2 2UH 20 1 3A 0 08OHM SHIELD 2 5X2X1MM NONE R TP MURATA MANUFACTURING CO LTD 6 C1005 L1027 L9007 Inductor Multilayer Chip ELCH0004727 1005GC2TR10JLF 100NH 5 100mA 2 3OHM 600MHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 L1002 Inductor Multilayer Chip ELCH0005001 HK1005 2N2S 2 2NH 0 3NH 300mA 0 13OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TAIYO YUDEN CO LTD MIPSZ2012D2R...

Page 194: ...005 R TP ROHM 6 R9008 Resistor Chip ERHZ0000203 MCR01MZP5F1002 10KOHM 1 1 16W 1005 R TP ROHM 6 R1015 Resistor Chip ERHY0009501 MCR006YZPJ000 0OHM 5 1 20W 0603 R TP ROHM 6 R2012 Resistor Chip ERHY0035301 RC1005F4021CS 4 02KOHM 1 1 16W 1005 R TP SAMSUNG ELECTRO MECHANICS CO LTD 6 R4002 Resistor Chip ERHY0035501 RC0402FR 07750RL 750OHM 1 1 16W 1005 R TP YAGEO CORPORATION 6 R4022 Resistor Chip ERHZ000...

Page 195: ...ERHZ0000407 MCR01MZP5J105 1MOHM 5 1 16W 1005 R TP ROHM 6 R1018 R1019 Resistor Chip ERHZ0000408 MCR01MZP5J111 110OHM 5 1 16W 1005 R TP ROHM 6 R1021 R1023 R4021 R4023 R7000 R7001 Resistor Chip ERHZ0000410 MCR01MZP5J120 12OHM 5 1 16W 1005 R TP ROHM 6 R1012 R1013 Resistor Chip ERHZ0000415 MCR01MZP5J131 130OHM 5 1 16W 1005 R TP ROHM 6 R8000 Resistor Chip ERHZ0000422 MCR01MZP5J153 15KOHM 5 1 16W 1005 R ...

Page 196: ...Sub PMICIC Sub PMIC RICHTEK TECHNOLOGY CORP 6 U4000 IC Charger EUSY0388501 BQ25040 BQ25040 BQ25040 DFN 10 R TP Cal Test Mode Single Charger IC for Micro USB TEXAS INSTRUMENTS KOREA LTD HONGKONG BRANCH TEXAS INSTRUMENTS KOREA LTD HONGKONG BRANCH 6 X4000 Crystal EXXY0026801 NX3215SA 32 768KHZ 20PPM 0F NONE SMD R TP NIHON DEMPA KOGYO CO LTD 6 X4000 Crystal EXXY0026801 R TP NIHON DEMPA KOGYO CO LTD 6 ...

Page 197: ...SFEY0010501 ICVE10184E150R101FR ESD EMI 0HZ 15pF 0H SMD R TP INNOCHIPS TECHNOLOGY 6 FL4000 Filter EMI Power SFEY0015301 NFM18PC104R1C3 ESD EMI 0HZ 0 1uF 0H SMD R TP MURATA MANUFACTURING CO LTD 6 FL4001 Filter EMI Power SFEY0016301 ICMEF112P900M COMMON MODE NOISE FILTER 0HZ 0F 0H SMD R TP INNOCHIPS TECHNOLOGY 6 FL1005 Filter Saw SFSY0033404 B9444 1575 42MHz 1 4 1 1 0 45 SMD R TP 5P EPCOS PTE LTD 6 ...

Page 198: ...i c Chip EAE62963601 GRM1555C1H100J_H 10pF 5 50V C0G 55TO 125C 1005 R TP 0 5 0 05 L 1 0 0 05 W 0 5 0 05 T 0 5 0 05 MURATA MANUFACTURING CO LTD 6 CN8000 Socket Card EAG62830201 104031 0811 SD 8P ANGLE SMD R TP 11 95x11 40x1 42t Push pull type MOLEX 6 CN7001 Jack Phone EAG63070601 KJA PH 4 0176 5P 2P ANGLE R TP 3 5M BLACK 5P KSD CO LTD 6 J8000 Card Socket EAG63070701 5000 6P 1 3L SIM 6P STRAIGHT SMD...

Page 199: ...14 C4016 C4021 C4024 C4063 C6001 Capacitor Ceramic Chip ECCH0002001 C1005JB0J104KT000F 0 1uF 10 6 3V X5R 30TO 85C 1005 R TP TDK CORPORATION 6 C6002 C7024 C8004 C9023 C9027 C9029 C9032 C9042 Capacitor Ceramic Chip ECCH0002001 C1005JB0J104KT000F 0 1uF 10 6 3V X5R 30TO 85C 1005 R TP TDK CORPORATION 6 R2013 R2016 R4001 R4026 Resistor Chip ERHZ0000405 MCR01MZP5J103 10KOHM 5 1 16W 1005 R TP ROHM 4 EBR07...

Page 200: ...BRS 181027SL08C P Nd Fe B 700mW 8OHM 90DB 850HZ 1810 3 0T Wire 17mm WIRE BUJEON ELECTRONICS CO LTD 5 EBP00 Camera Module EBP61581801 CW3033 A99CC CW3033 A99CC 3M FF Hynix 1 5 FPC 90deg 3 5mm MIPI type COWELL ELECTRONICS CO LTD 5 SJMY00 Motor DC SJMY0007104 3V 80mA 0A 12KRPM 0RPM 0SEC 0GF CM 0OHM 5 RAA050100 Resin PC BRAH0001301 UF2040 or 3075BHF NONE 2 EAD010000 Cable Assembly EAD62377901 IFS00015...

Page 201: ... Color QSG For E425 ARE 2 EAC00 Rechargeable Battery Lithium Ion EAC61679601 BL 44JN WWU LGC PRISMATIC 3 7V 1 5AH 300mAH 61x44x4 4 65x44x4 8 BLACK Bar type Top cap Screw joint 444461 1500mAh Bar Type Top cap screw joint WW Up LG Chem LTD 2 MFL053800 Manual Operation MFL67845205 PRINTING LGE425 AAREBK ZZ Without Color United Arab Emirates ARABIC ENGLISH FARSI FRENCH Web manual for E425 ARE 2 EAB010...

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