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LG LG-E400f, Service Manual

The LG LG-E400f is a versatile smartphone that offers a variety of features and functions. To help users maximize their experience, a comprehensive User Manual is available for free download at manualshive.com. This manual provides step-by-step instructions and valuable information on how to make the most of this device.

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Copyright © 2012 LG Electronics. Inc. All right reserved.

Only for training and service purposes

LGE Internal Use Only

7. CIRCUIT DIAGRAM

TP901

TP900

C904

22p

+1V2_MSM_A2_WCN

FB1

60

10

9

C

n2.

1

C934

100n

C931

0.1u

C945

100p

+1V3_MSM_A3_WCN

C936

220n

C933

100p

C939

22u

C941

100p

C942

100p

VREG_MSME_1.8V

C940

10n

+3V_WLAN_WCN

L906

100n

C930

4.7u

C938

10n

+1V8_WLAN_TCXO

C935

2.2u

+1V2_WLAN_WCN

C926

u1

C923

n0

1

C922

u7.

4

C921

u7.

4

C918

n0

1

VREG_MSME_1.8V

C908

DNI

C916

DNI

C909

DNI

L900

3.9n

0

R2

41

9

C

p7.

2

FL900

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

C943

2.2u

R900

M1

L904
82n

C910

47p

C917

n0

1

L901

68n

C924

n0

1

C928

10n

C919

n0

1

+3V_WLAN_WCN

C920

p0

1

FB900

?

C937

1n

R904

1M

VREG_MSME_1.8V

C925

0.1u

K0

1

50

9

R

C907

DNI

L903

2.4n

DNI

R903

C911

10p

C912

10p

C913

10p

C906

DNI

L902

82n

C929

0.1u

C944

0.1u

0

R3

R901

2.2K

20

9

C

p0

01

R902

2.2K

R4

0

C946

100p

TP902 TP903 TP904 TP905

C932

470p

U900

WCN2243

EAN61966101

3

4

3

5

3

0

3

7

1

0

2

2

5

6

2

7

2

5

2

5

4

5

15

12

13

19

32

21

55

50

37

54

10

4

14

24

31

57

40

47

36

53

42

58

51

56

46

49

43

29

28

33

6

1

1

1

7

2

8

1

9

8

2

2

6

1

4

4

9

3

8

3

8

4

3

2

1

4

2

D

N

G

3

D

N

G

1

M

F

_

D

N

G

A

2

M

F

_

D

N

G

A

3

M

F

_

D

N

G

A

4

M

F

_

D

N

G

A

4

D

N

G

M

F

_

D

N

G

A

1

T

B

_

D

N

G

A

2

T

B

_

D

N

G

A

3

T

B

_

D

N

G

A

4

T

B

_

D

N

G

A

5

T

B

_

D

N

G

A

6

T

B

_

D

N

G

A

7

T

B

_

D

N

G

A

GND1
SYS_RST_N
I2C_SDA
I2C_SCL

FM_HRX_IN
FM_PRXTX_IO

FM_I2S_SD
FM_I2S_WS
FM_I2S_SCK

BT_PCM_IN
BT_PCM_CLK
SLEEP_CLK

BT_UART_RXD
BT_UART_TXD
BT_UART_CTS
BT_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

T

N

I

_

S

D

R

_

M

F

K

L

C

_

S

Y

S

L

_

O

L

_

M

F

R

_

O

L

_

M

F

T

U

O

_

M

C

P

_

T

B

C

N

Y

S

_

M

C

P

_

T

B

Q

E

R

_

K

L

C

_

T

B

E

V

I

T

C

A

_

T

B

S

U

T

A

T

S

_

T

B

M

R

I

F

N

O

C

_

X

T

O

I

F

R

_

T

B

0

R1

U901

EAN62416201

WCN1314-0-87WLNSP-TR-0D

63

33

53

56

45

71

84

75

82

28

13

16

6

15

14

23

11

21

12

17

22

87

80

41

29

20

39

19

26

25

9

27

18

SLEEP_CLK

GND_D1
DNC1
GND_D2
GND_D3
WLAN_RST_N
WLAN_ACTIVE

BT_PRIORITY
BT_ACTIVE

TCXO_IN
RF_RX
PDET_IN

PA_EN
WLAN_CLK_REQ

TR_SW_EN_0
TR_SW_EN_1
TR_SW_EN_2

SDIO_CMD
SDIO_CLK

SDIO_DATA3
SDIO_DATA2
SDIO_DATA1
SDIO_DATA0

DNC2

PLL_EXT_LPF

GND_A

RF_TX_DA
RF_TX_PA

GND_A1
GND_A2
GND_A3
GND_A4

REXT

C927

p0

1

C915

1.8n

U901

EAN62416201

77

85

64

58

30

43

40

42

55

57

69

68

59

50

83

65

44

61

73

72

60

34

52

86

47

37

32

24

70

10

1

7

3

79

49

62

76

54

67

81

66

51

78

74

35

4

2

8

38

36

5

48

46

31

VDD_CORE1
VDD_CORE2
VDD_CORE3

VDD_CORE_AON1
VDD_CORE_AON2
VDD_CORE_AON3

VDD_IO

VDD_FEM

VDD_SDIO

VDD_RFA1
VDD_RFA2

VDD_PA

VDD_TCXO

VDD_RFA3
VDD_RFA4
VDD_RFA5
VDD_RFA6
VDD_RFA7
VDD_RFA8
VDD_RFA9

GND_A21

GND_D1
GND_D2

GND_D3
GND_D4

GND_A2

GND_D5
GND_D6
GND_D7
GND_D8

GND_A3

GND_A4
GND_D9
GND_A5
GND_A6
GND_A7
GND_A8
GND_A9

GND_A10
GND_A11
GND_A12

GND_A13
GND_A14
GND_A15

GND_A16
GND_A17
GND_A18
GND_A19

GND_A20

GND_A1

GND_A22

GND_A23

VDD_RFA10
VDD_RFA11

ANT901

L905
DNI

SLEEP_CLK

SLEEP_CLK

L

_

M

F

R

_

M

F

BT_PCM_CLK

BT_PCM_CLK

C

N

Y

S

_

M

C

P

_

T

B

BT_PCM_SYNC

BT_UART_CTS

BT_UART_RTS

FM_ANT

WLAN_CLK

WLAN_CMD

WLAN_SDIO[3]
WLAN_SDIO[2]
WLAN_SDIO[1]
WLAN_SDIO[0]

BT_PCM_OUT

BT_PCM_OUT

N

I

_

M

C

P

_

T

B

BT_PCM_IN

BT_RST_N

BT_UART_RX

BT_UART_TX

WLAN_RST_N

WLAN_CLK_REQ_WCN

N

C

W

_

K

L

C

_

M

F

_

T

B

WLAN_CLK_WCN

N

C

W

_

Q

E

R

_

K

L

C

_

M

F

_

T

B

I2C_COMMON_SDA_WCN
I2C_COMMON_SCL_WCN

T

N

I

_

S

D

R

_

M

F

WLAN_RF_TX

WLAN_RF_TX

WLAN_RF_RX

WLAN_RF_RX

WLAN_PWR_DET_IN

WLAN_PWR_DET_IN

WLAN_SW_[2]

WLAN_SW_[2]

WLAN_SW_[1]

WLAN_SW_[1]

WLAN_SW_[0]

WLAN_SW_[0]

T

C

Q

_

F

R

_

T

B

BT_RF_QCT

E

V

I

T

C

A

_

N

A

L

W

WLAN_ACTIVE

Y

T

I

R

O

I

R

P

_

T

B

BT_PRIORITY

E

V

I

T

C

A

_

T

B

BT_ACTIVE

BT_WLAN_RF

BT_WLAN_RF

WiFi : WCN 1314

colse to pin78

BT/WI-FI FRONT-END

Wi-Fi : WCN1314

7

3

n

i

p

 

o

t

 

e

s

o

l

c

4

5

n

i

p

 

o

t

 

e

s

o

l

c

5

n

i

p

 

o

t

 

e

s

o

l

c

3

1

n

i

p

 

o

t

 

e

s

o

l

c

BT/FM Module : WCN2243

LOW

HIGH

SW0

SW1

SW2

LOW

ANTENNA SWITCH MODULE LOGIC

LOW

HIGH

HIGH

LOW

LOW

LOW

WiFi RX-ANT

WiFi TX-ANT

BT-ANT

Summary of Contents for LG-E400f

Page 1: ...Internal Use Only Service Manual LG E400f Date March 2012 Issue 1 0 ...

Page 2: ... 5 CheckingWCDMA Block 44 4 6 Checking GSM Block 55 4 7 GPS WIFI BT RF Component 63 4 8 GPS WIFI BT SIGNAL PATH 65 4 9 GPS WIFI BTTrouble shooting 67 4 10 Power ONTrouble Shooting 74 4 11 ChargingTrouble Shooting 78 4 12 3MFF CameraTrouble Shooting 81 4 13 Main LCD trouble 84 4 14 Proximity Sensor on offTrouble Shooting 86 4 15 Motion Sensor on offTrouble Shooting 88 4 16 Compass Sensor on offTrou...

Page 3: ...cessed 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 company may ...

Page 4: ...tion 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 strap when exc...

Page 5: ...00 with seamless handover Phase 2 include AMR SIM Toolkit Class 1 2 3 C E Frequency Range WCDMA 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 Standa...

Page 6: ...P type Battery 1 Capacity Standard Li Ion 1500mAh 2 Packing Type Soft Pack Size Standard 102 6 x 61 6 x 11 85 mm Weight 119g With Battery Volume 74 89cc PCB Staggered 8 Layers 0 8t Stand by time 2G Up to 600 hrs 3G Up to 600 hrs Paging Period 5 2G DRX 7 3G Charging time 3 hrs Power Off 1500mAh Talk time 2G Up to 750mins 3G Up to 600mins Power Level 13 2G Tx 0dBm 3G RX sensitivity WCDMA FDD1 106 7 ...

Page 7: ... 1900 26 dBm E2 GSM900 E2 PCS E2 DCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 SIM card type Plug In SIM 3V 1 8V Display Main LCD TFT Main LCD 3 2 240 x 320 Built in Camera 3M FF CMOS Camera Status Indicator No Keypad Function key 1 Side Key 2 Power key 1 Function Key Home Back Menu Side Key Volume up down ANT Main Internal Fixed Type LDS type System connector 5 Pin Ear Pho...

Page 8: ...in Vibrator Blue Tooth V3 0 MIDI for Buzzer Function SW Decoded 72Poly Music Player MP3 WMA AAC HE AAC EAAC Video Player MPEG4 H 263 H 264 Camcorder MPEG4 H 263 H 264 Voice Recording Yes Speaker Phone mode Support Yes Travel Adapter Yes CDROM No Stereo Headset Yes Not inbox Data Cable Yes T Flash External Memory Yes Not inbox optional optional ...

Page 9: ...Yes Speed Dial Yes 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 Last Dial Number Yes Last Dial Numbers Last Received Numbers and Last Missed Numbers can store up to a total of 500 Last Received Number Yes L...

Page 10: ...ber Yes Service Dial Number No Own Number Yes Read only add edit delete are not supported Voice Memo Yes Call Reminder 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 ...

Page 11: ...onvert No Stop Watch No Wall Paper Yes WAP Browser No Support only web browser based on webkit WAP stack and 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 No 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 Cl...

Page 12: ...opyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Hold Retrieve Yes Conference Call Yes Max 6 DTMF Yes Memo pad No TTY No AMR Yes SyncML Yes IM No Email Yes ...

Page 13: ... modulation 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 ...

Page 14: ...jacent 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 100 kHz RW ...

Page 15: ...z Ioac 52 dBm 3 84 MHz 5 MHz Band8 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 Îor 100 7 dBm 3 84 MHz Band8 Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fu...

Page 16: ... 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 5 MHz 35 ...

Page 17: ...z 2483 5 MHz CH1 CH13 Tx Power Level 20dBm under Europe 30dBm under USA 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 8G...

Page 18: ...MHz 30Mhz Transmitter constellation 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 ...

Page 19: ... All right reserved Only for training and service purposes LGE Internal Use Only 8 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 ...

Page 20: ... I forgot the PhoneLock password A For password and pin lock try Factory Reset with Power key Volume down key Home Key For pattern lock you can set a new pattern by pressing the Forgot button in case a Gmail account is set Unless any Gmail account is set try factory reset with Power key Volume down key Home Key 3 CIC_FAQ 3 1 FAQ Inquiry List ...

Page 21: ... should I do to add or remove files on the SD card A To write or delete a file on the SD card the unit must be connected to a PC by portable disk First download and install the USB driver Then confirm the order below as the USB data communication cable is connected 1 Status Bar Slide Down 2 USB connected Touch 3 Select USB Storage and Touch Done ...

Page 22: ...s checked If it is unchecked check it 4 Q GPS location is not correct What should I do A GPS signals are so weak that it is hard to find locations sometimes Also weather conditions or other factors e g radio wave reflections make it hard to find locations If Use Wireless Network item is checked the location information can be brought from a nearby base station This however may be far from capturin...

Page 23: ...egarding the app incompatibility issue it seems attributable to not having considered compatibility beforehand Let us know which app is incompatible Then we ll try finding out what the problem is Thanks 6 Q What should I do to create an email account A You can create a personal email account on the terminal You are to register an account as below Run email Select an email account to add Enter your...

Page 24: ...d password 3 Check out if your email supports the service IMAP4 POP3 4 For EAS inquire of the relevant service administrator about the server information 8 Q Apps not being used at the moment are marked as programs running They reappear as such although I have killed them What should I do A It is because the application service is being run in the background For example phone or email apps are to ...

Page 25: ... information related to the AP you want to connect to such as security type and password is provided correctly on the phone 2 AP information may have been updated 3 Click the AP and select Forget Then press Option key Scan button and the AP list is updated After that try connection 4 For DHCP server or higher IP may not be automatically allocated Then use a fixed static IP and get an IP allocation...

Page 26: ...t should I do to connect to sync programs A First install the USB driver on your PC Use the USB cable to connect to your PC Connect the terminal to the cable and set the following The default connection mode is a mass storage device Run Menu Setup Connect Default Connection Mode and select internet connection Then you can connect to the sync program 14 Q The smartphone won t connect to the compute...

Page 27: ...can change the language setting to the language you want as below Menu button Settings Language keyboard Select language 16 Q What should I do to run Reset and Factory Reset A You can try Reset as below Menu Settings Personal Information Protection Personal Data and reset default data You can try Factory Reset as below Press the volume down key with the power off and press the power key ...

Page 28: ...rvice purposes LGE Internal Use Only No FAQ Q A 17 Q I want to control the bell sound A You can control the bell sound on the terminal as below Menu button Sound Volume 18 Q I want to know the compatibility with other devices A Basically it is compatible with external Bluetooth devices only ...

Page 29: ...and service purposes LGE Internal Use Only No FAQ Q A 19 Q What should I do to use HDMI A HDMI is not supported 20 Q I ve got HDMI error A HDMI is not supported 21 Q What should I do to use Smart Share A Smart Share is not supported 22 Q I ve got Smart Share error A It is not supported ...

Page 30: ...battery power to run out as much as the screen is turned on So it is good to set a short screen timecut 3 Even when an app running is ended and the Home Key is pressed the app keeps running in the background invisibly which accelerates battery consumption You are advised to end apps or programs using the Clear Back key 4 Rooting leads to a Super User authority over Android system domain which may ...

Page 31: ...TA upgrade necessary they transmit the FOTA package to users who will upgrade software to a new version 26 Q When does the product become out of stock A The product becomes no longer available in about a year You can inquire nearby LG service centers of details 27 Q How long is the warranty period and limit A Free warranty period is 1 year from the date of purchase Any breakdown or failure caused ...

Page 32: ...new products features and specific issues A 1 What is remote call Remote call is a support service to remotely diagnose and consult about terminals 2 What is preloaded app LG Smart World is not installed in advance in the system domain The user can install it if necessary 3 What is the app administrator An app administrator can end an app running and helps to see installed apps and storage capacit...

Page 33: ...rvice purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 1 RF Component U100 RF Transceiver FL102 W2100 Tx SAW U101 GSM PAM ASM U103 W850 PAM SW100 Mobile Switch U102 W2100 PAM FL2 W850 DPX FL101 W2100 Rx SAW FL1008 W2100 DPX FL1001 DCS PCS Rx SAW FL1002 EGSM 850 Rx SAW X200 VCTCXO FL104 W850 Tx SAW ...

Page 34: ...ence Description U100 RTR6285A Transceiver FL2 WCDMA V Duplexer U101 GSMTX Module ASM GSM PAM FL101 WCDMA I RX SAW Filter U102 WCDMA I PAM FL1002 EGSM 850 Rx saw filter U103 WCDMA V PAM FL1001 DCS PCS Rx saw filter FL102 WCDMA I TX SAW Filter X200 VCTCXO 19 2MHz FL104 WCDMA V TX SAW Filter SW100 RF Antenna Connector FL1008 WCDMA I Duplexer RF component WCDMA GSM ...

Page 35: ...Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 2 SIGNAL PATH WCDMA I and V BandTX Signal PATH D2 WCDMA 2100TX PATH E2 WCDMA 850TX PATH F1 COMMONTX RX PATH ...

Page 36: ...ING 36 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WCDMA I and V Band RX Signal PATH D1 WCDMA 2100 RX PATH E1 WCDMA 850 RX PATH F1 COMMONTX RX PATH ...

Page 37: ...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 38: ...G Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 3 Checking TCXO Block The output frequency 19 2MHz of TCXO X2001 is used as the reference one of RTR6285 and PM7540 internal VCO TP2 TP1 TP3 ...

Page 39: ...ice purposes LGE Internal Use Only R204 100 C218 330p C206 1n X200 KT2520F19200DCW28RAK 19 2MHZ 4 3 5 2 6 1 VCONTROL VCC NC1 NC2 GND OUT C217 10n C207 0 1u 330p C219 VREG_TCXO_2 85V TCXO_RTR_19 2MHZ TCXO_PM_19 2MHZ TRK_LO_ADJ TCXO Circuit Clesed to TCXO TP1 TP3 TP2 Schematic of the Crystal Part 19 2MHz ...

Page 40: ...ll right reserved Only for training and service purposes LGE Internal Use Only CheckTP1 VCC ofTCXO VCC 2 8V Check the PM8029 No Yes CheckTP2 2 4V Voltage 0 4V Check the MSM7225A No Yes CheckTP3 19 2 MHz Signal Check soldering and components No Yes TCXO is OK ...

Page 41: ...OOTING 41 Copyright 2012 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 ANT_SEL3 ANT_SEL0 ANT_SEL1 ANT_SEL2 VBATT TP1 ...

Page 42: ...U101 24 17 18 19 13 12 6 5 3 1 2 16 20 5 1 4 1 4 22 11 10 9 8 7 23 21 TX_EN PGND1 GND GND2 GND3 RX1 RX2 VRAMP 5 D N G T N A 6 D N G GPCTRL0 GND7 GND8 GND1 B L _ N I F R B H _ N I F R GND4 TRX1 TRX2 GPCTRL1 VBATT GPCTRL2 PGND2 p 0 0 1 5 4 0 1 C p 0 0 1 7 4 0 1 C p 0 0 1 8 4 0 1 C p 0 0 1 1 5 0 1 C C1091 56p 2 2K R107 C1092 22p 39p C1024 0 3 1 2 1 1 R 47 R113 0 3 1 4 1 1 R VBAT 75 R116 1 9 5 1 1 R 1...

Page 43: ... 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 44: ...nc 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 Check FEM Block Refer to 1 4 3 Check RFTx Level 5 Check RF Level 4 Check PAM Block Refer to 1 5 4 ...

Page 45: ...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 TP1 TP4 TP2 TP3 ...

Page 46: ...9 7 1 1 R GSM_PA_RAMP ANT_SEL2 ANT_SEL1 GSM_TX DCS_PCS_TX ANT_SEL3 WCDMA_2100_RTX WCDMA_850_RTX ANT_SEL0 2mm 11dB 7dB 8 0 6 1 PCS 1850 1910 MHz DCS 1710 1785 MHz GSM850 824 849MHz GSM900 880 915MHz TP1 C137 DNI U102 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VBP ISO VMODE GND VEN CPL 5 9 1 C n 6 5 C180 1p L129 3 3n FL1008 1950MHz 2140MHz 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 ...

Page 47: ...6285 Maximum output Power 7 dBm RTR6285 minimum output Power 80 dBm PAM ACPM 5281 Maximum input Power 10 dBm RFTx Level is OK Yes No Check PAM Block Refer to 1 5 4 CheckTX Module Yes No Check Duplexer Yes No Check RTR6285A Yes No CheckTP1 Over 21dBm CheckTP2 Over 21dBm CheckTP3 Over 21dBm CheckTP4 Over 7dBm Check ANT_SEL 0 1 2 High Low Low ...

Page 48: ...LGE Internal Use Only 4 5 4 Checking PAM Block PAM Control Signal PA_ON0 C185 PA_ON1 C201 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 C185 Low PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm TP1 TP2 TP3 ...

Page 49: ... RX1 TX GND1 GND5 GND2 RX2 GND3 GND4 C197 DNI 330p C172 680p C186 FL104 836 5MHz 5 3 2 4 1 IN OUT G1 G2 G3 C198 DNI 8 7 1 C n 7 2 DNI L116 110 R123 110 R124 9 7 0 1 C n 8 6 2 2 1 L p 7 2 C183 1p L1031 DNI L112 3 3p 0 9 0 1 C p 8 1 C196 15n L1035 1 5n C182 3 9n L114 3 3p 100p C184 L121 3n L1021 15n U103 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VBP ISO VMODE GND VEN CPL C121 DNI C188 680p V...

Page 50: ...l right reserved Only for training and service purposes LGE Internal Use Only Set the phoneTx is On and PDM is 210 CheckTP3 Over 21dBm RFTx Level is OK Yes No Change the board CheckTP2 PA_RO 2 6V Check MSM7225A Yes No CheckTP1 Over 10 dBm Check RTR6285A Yes No ...

Page 51: ...TROUBLE SHOOTING 51 Copyright 2012 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 TP1 TP2 TP3 Bias TP5 ...

Page 52: ...A_HB PDET_IN RX_WCDMA_850_P RX_WCDMA_850_M WCDMA_850_TX_OUT WCDMA_2100_TX_OUT WCDMA_2100_RTX WCDMA_850_RTX PA_ON1 8dB Close to pin1 Band I Band V TP2 R101 0 75p FL1001 10 5 8 3 7 2 6 4 9 1 1842_5 1960MHz 1960MHz_2 GND5 1842_5MHz_1 GND1 1842_5MHz_2 GND2 1960MHz_1 GND3 GND4 C118 100p 1 1 1 C n 2 1 R100 68n C1043 22u C1044 47p SW100 4 3 2 1 ANT COMMON G3 G4 1 2 0 1 C n 2 2 U101 24 17 18 19 13 12 6 5 ...

Page 53: ... R120 0 R121 DNI K 1 9 1 1 R L120 33p C177 8 2n 6 7 1 C n 7 4 9 7 1 C p 7 2 p 7 2 1 7 1 C u 1 0 9 6 1 C p 0 0 1 0 7 1 C L119 1 8n 2n L118 L123 1 8n DNI C173 VDD_RX 2140MHz FL101 5 2 4 3 1 IN OUT _OUT G1 G3 WB2100_MIX_INM WB2100_MIX_INP RX_WCDMA_1900_LNA_OUT RX_WCDMA_2100_LNA_OUT W2100 RX 2110 2170 MHz WCDMA RX 2100 LNA Circuit Bias TP5 ...

Page 54: ...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 55: ...55 Copyright 2012 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 56: ...4 TROUBLE SHOOTING 56 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 2 3 ...

Page 57: ...right 2012 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 TP2 TP3 TP1 ...

Page 58: ...GND1 B L _ N I F R B H _ N I F R GND4 TRX1 TRX2 GPCTRL1 VBATT GPCTRL2 PGND2 FL1002 10 5 3 2 6 4 7 8 9 1 IN O1_1 O1_2 O2_1 GND O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C L1012 9 1n L1006 3 3n p 0 0 1 5 4 0 1 C p 0 0 1 7 4 0 1 C p 0 0 1 8 4 0 1 C p 0 0 1 1 5 0 1 C C109 100p ANT100 1 C1091 56p 2 2K R107 C1092 22p 0 2 1 C p 0 0 1 ANT105 1 3 0 0 1 C I N D 5 1 1 C I N D L102 100p 1 4 0 1 C n 8 1 39p C1024 0 3...

Page 59: ...y 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 over 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 No ...

Page 60: ...4 TROUBLE SHOOTING 60 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 6 4 Checking RF Rx Block TP2 TP1 ...

Page 61: ...TRX2 GPCTRL1 VBATT GPCTRL2 PGND2 FL1002 10 5 3 2 6 4 7 8 9 1 IN O1_1 O1_2 O2_1 GND O2_2 1 G _ C 2 G _ C 3 G _ C 4 G _ C L1012 9 1n L1006 3 3n L1014 1p p 0 0 1 1 5 0 1 C 2 5 0 1 C n 3 3 2 4 0 1 C n 3 3 C109 100p C1091 56p p 2 2 6 1 0 1 C L1011 0 75p L1007 15n L1010 DNI C1092 22p 5 1 1 C I N D L102 100p DNI C1013 L1008 DNI 1 4 0 1 C n 8 1 DNI L1003 3 2 0 1 C p 3 3 p 3 3 5 2 0 1 C 0 3 1 2 1 1 R 47 R1...

Page 62: ...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 63: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 4 7 GPS WIFI BT RF Component ANT103 FL103 U104 RF Component GPS Reference Description ANT103 ANTENNA PAD connected to Carrier type antenna FL103 GPS SAW FILTER U104 GPS LNA ...

Page 64: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ANT901 FL900 U901 U900 Reference Description ANT901 ANTENNA PAD connected to Carrier type antenna U900 BT module U901 WiFi module FL900 FEM ...

Page 65: ...OUBLE SHOOTING 65 Copyright 2012 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 ...

Page 66: ...4 TROUBLE SHOOTING 66 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WiFi BT Signal PATH WiFi BTTx and Rx PATH BT_TRx WLAN_Rx WLAN_Tx ...

Page 67: ...C190 0 5p C232 1 5n 12 R127 4 2 1 L n 3 3 L128 4 7n U104 3 2 5 4 1 N I _ F R FIL_OUT VDD S_D GND 12 R125 DNI C191 L125 DNI C193 0 1u 18p C192 6 8p C204 FL103 1575 42 MHz 5 2 4 1 3 G3 IN OUT G1 G2 C202 0 5p DNI C203 VREG_RF_2 7V L130 100p L126 100n GPS_MODE GPS_IN Near To LNA LNA for the GPS TP1 TP2 4 9 GPS WIFI BT Trouble shooting 4 9 1 A GPS Block TP2 TP1 ...

Page 68: ...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 4 9 2WLAN BT FM Block 1 3 2 3 ...

Page 69: ...BLE SHOOTING 69 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only START 1 Check the Power Component Change 2 Check the Clock 3 Check the Module ...

Page 70: ...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 C907 DNI L903 2 4n C911 10p C912 10p C913 10p C906 DNI 2 0 9 C p 0 0 1 C946 100p C915 1 8n ANT901 L905 DNI WLAN_RF_TX WLAN_RF_RX WLAN_PWR_DET_IN WLAN_SW_ 2 WLAN_SW_ 1 WLAN_SW_ 0 BT_RF_QCT BT_WLAN_RF BT_WLAN_RF BT WI FI FRONT END LOW HIGH SW0 SW1 SW2 LOW ANTENNA SWITCH MODULE LOGIC LOW HIGH HIGH LOW LOW ...

Page 71: ... _ M F K L C _ S Y S L _ O L _ M F R _ O L _ M F T U O _ M C P _ T B C N Y S _ M C P _ T B Q E R _ K L C _ T B E V I T C A _ T B S U T A T S _ T B M R I F N O C _ X T O I F R _ T B C927 p 0 1 SLEEP_CLK L _ M F R _ M F BT_PCM_CLK BT_PCM_CLK C N Y S _ M C P _ T B BT_PCM_SYNC BT_UART_CTS BT_UART_RTS FM_ANT BT_PCM_OUT BT_PCM_OUT N I _ M C P _ T B BT_PCM_IN BT_RST_N BT_UART_RX BT_UART_TX N C W _ K L C ...

Page 72: ... 57 69 68 59 50 83 65 44 61 73 72 60 34 52 86 47 37 32 24 70 10 1 7 3 79 49 62 76 54 67 81 66 51 78 74 35 4 2 8 38 36 5 48 46 31 VDD_CORE1 VDD_CORE2 VDD_CORE3 VDD_CORE_AON1 VDD_CORE_AON2 VDD_CORE_AON3 VDD_IO VDD_FEM VDD_SDIO VDD_RFA1 VDD_RFA2 VDD_PA VDD_TCXO VDD_RFA3 VDD_RFA4 VDD_RFA5 VDD_RFA6 VDD_RFA7 VDD_RFA8 VDD_RFA9 GND_A21 GND_D1 GND_D2 GND_D3 GND_D4 GND_A2 GND_D5 GND_D6 GND_D7 GND_D8 GND_A3 ...

Page 73: ...l Use 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 ...

Page 74: ... 85V C453 VREG_MSMA1_2 6V C448 VREG_MSMA2_1 2V C444 VREG_ TCXO_2 85V C449 power ON Phone booting and PS_HOLD D401 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 R810 high to low when key press Check below power output VREG_MSMC1_1 ...

Page 75: ...4 TROUBLE SHOOTING 75 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 76: ...ight 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 VREG_MSMA2_1 2V VREG_MSMC1_1 1V VREG_MSMC2_1 1V PS_HOLD VREG_MSME_1 8V VREG_MSMA1_2 6V VREG_TCXO_2 85V VREG_P3_2 85V ...

Page 77: ...4 TROUBLE SHOOTING 77 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP2 ...

Page 78: ...IC Check the battery FL401 5 6 3 1 4 2 P2 P4 P1 P3 6 P 5 P VBUS_CHG_IN C465 1u 22p C404 p 2 2 2 0 4 C FL400 1 IN OUT GND1 GND2 CN400 11 10 9 5 4 3 2 1 8 7 6 VA400 ZD400 USB_ID MINIABB_DP MINIABB_DM 2mm VBUS 2mm u USB Connector TA 5 1V 700mA 6 0 4 C u 1 VREG_MSME_1 8V C401 1u TP400 1u C407 u 1 0 0 4 C 1 0 4 R K 7 4 3 0 4 R K 0 1 U400 C5 D2 B5 D3 D1 E1 E2 E3 E5 E4 A1 C1 B1 A4 A5 A3 A2 D5 4 D 4 C 3 C...

Page 79: ... the pin 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 MiniABB U400 SMT status by X ray Exchange MiniABB or change the Main board and reset Change I O connector ChangeTA or u USB cable END Yes No ChargerTroubleshoot Flow ...

Page 80: ...4 TROUBLE SHOOTING 80 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U400 ...

Page 81: ...oting 3M camera control signals are generated by MSM7225A Check the camera Conn and reconnect the camera Camera is OK No Change the Main board END Yes START Yes Camera is OK No No Yes Change the camera Yes END Change the EMI Filter FL505 No No Yes MSM 7227 output signal check MCLK TP1 Reset TP2 PWDN TP3 Check IOVDD TP4 DVDD TP5 AVDD TP6 Check the EMI Filter FL505 ...

Page 82: ...C_SCL eMMC_DATA 7 eMMC_DATA 6 eMMC_DATA 5 PA_ON1 MOTION_INT2 MSM7225A TP1 4 0 5 A V 1 0 5 A V C512 2 2u 4 7u C513 CN501 13 12 14 11 15 10 16 9 17 8 18 7 19 6 20 5 21 4 22 3 23 2 24 1 6 0 5 R K 2 2 7 0 5 R K 2 2 CAM_IOVDD_1 8V CAM_IOVDD_1 8V C511 2 2u FL505 0 1 9 8 4 7 3 6 2 5 1 P1 P5 P2 P6 P3 P7 P4 P8 1 G 2 G 3 0 5 A V 2 0 5 A V CAM_AVDD_2 8V CAM_DVDD_1 2V CAM_MCLK CAM_RESET_N CAM_I2C_SDA CAM_I2C_...

Page 83: ...4 TROUBLE SHOOTING 83 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP2 FL505 TP5 TP6 TP4 TP2 TP3 ...

Page 84: ... 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 ON 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 85: ...4 TROUBLE SHOOTING 85 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 TP2 ...

Page 86: ...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 U602 No Yes Chang the main board Yes Check PROX_I2C_SDA SCL Output Prox_out TP1 2 3 ...

Page 87: ...ning and service purposes LGE Internal Use Only 8 0 6 R K 7 4 R610 3 3 9 0 6 R K 7 4 C606 U602 5 4 6 3 7 2 8 1 LEDA SCL LEDC SDA VCC VIO VOUT GND 7 0 6 R 0 1 C607 4 7u C604 10u C605 1u VREG_MSME_1 8V VREG_PROX_2 8V PROX_OUT PROX_I2C_SCL PROX_I2C_SDA Proximity sensor TP2 TP1 TP3 TP2 TP1 TP3 ...

Page 88: ... 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 U600 Change the Motion Sensor U600 Change the Main...

Page 89: ...ly C601 0 1u C602 0 1u 3 1 6 R K 7 4 U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 4 1 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V MOTION_INT MOTION_I2C_SCL MOTION_I2C_SDA COMPASS_DRDY MOTION_INT2 COMPASS_INT TP2 TP1 TP3 TP1 TP2 TP3 ...

Page 90: ...ass Sensor is worked as below Compass Sensor function On Measurement VREG_MSME_1 8V MOTION_I2C_SCL SDA Chang the position of the phone The direction is correct No No Yes Work well START END No Yes Compass Sensor function On Yes Check Motion_I2C_SDA SCL output TP2 TP3 Check COMPASS_DRDY output TP1 Change the Motion Sensor U600 Change the Motion Sensor U600 Change the Main board No Yes ...

Page 91: ...y COMPASS_DRDY C601 0 1u C602 0 1u 3 1 6 R K 7 4 U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 4 1 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V MOTION_INT MOTION_I2C_SCL MOTION_I2C_SDA COMPASS_DRDY MOTION_INT2 COMPASS_INT TP2 TP1 TP3 ...

Page 92: ...4 TROUBLE SHOOTING 92 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP1 TP2 TP3 ...

Page 93: ...ses LGE 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 Motor working well START END Change Main board No Yes Vibrator is not working well Yes Votage is almost 3V Between TP1 andTP2 No Change PMIC Change Main board ...

Page 94: ... SHOOTING 94 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only D700 VBAT VA701 VA700 82n L700 VB700 2 1 L701 82n VIB_DRV_N VIBRATOR TP1 TP2 TP1 TP2 ...

Page 95: ...bsystem FB705 FB706 TP2 CN700 TP1 Antenna 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 M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at CN700 TP1 The sine wave appears at FB70...

Page 96: ... E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N AUDIO...

Page 97: ...D3 Audio Subsystem R710 R711 FB702 FB703 TP1 CN701 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 CN701 or change the main PCB No Change the M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The sine wave appears at FB702 FB703 TP1 The sine wave appears at C714 C715...

Page 98: ...A4 B3 E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N ...

Page 99: ...FB705 FB706 TP2 CN700 TP1 Antenna 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 M700 Audio Subsystem Yes Change the U200 MSM7225A or Change the main PCB Can you hear the 1KHzTONE The Sine wave appears at CN700 TP1 The Sine wave appears at FB705 FB706 ...

Page 100: ...3 E1 A3 D1 A1 C3 B1 E4 E3 C4 4 D 2 D D D V P H D D V P S IN3 OUT OUT HPL IN3 HPR CP IN1 CN IN1 IN2 IN2 SDA SCL S A I B D D V P C S S V P C D N G VREG_MSME_1 8V 2 2u C725 C715 2 2u 600 FB700 VREG_MSME_1 8V C707 1n VBAT FB701 600 C708 1n 7 0 7 R K 7 4 8 0 7 R K 7 4 C735 DNI C736 DNI C714 2 2u FB705 FB706 C703 0 1u C701 0 1u 2 2u C723 2 2u C724 C719 2 2u LINE_OP FM_L FM_R HPH_R HPH_L RCV_P RCV_N AUDI...

Page 101: ... Signal MIC700 R704 R705 TP2 C215 TP3 MIC1P of MSM7225A MIC Bias MIC_BIAS C229 TP1 MIC700 No START Change the main PCB Make a call Yes No Make some sound or voice to MIC Yes C229 TP1 is about 1 8V Some sound signal appears at R704 R705 TP2 Some sound signal appears at C215 TP3 Yes WorkWell END Yes Change the MIC No Change the U200 MSM7225A or Change the Main PCB ...

Page 102: ... C I M N O _ 1 R A E P O _ 1 R A E N O _ E N I L P O _ E N I L T U O _ X U A P M O C C S A I B _ C I M C229 22u C228 0 1u C227 47p S A I B _ C I M 2 0 2 R K 2 2 9 0 2 C u 1 0 ZD200 C216 0 1u C226 33p 8 0 2 C u 1 0 5 1 2 C u 1 0 4 1 2 C u 1 0 P O _ E N I L P _ V C R N _ V C R C I M _ S H P 1 _ C I M N O _ E N I L N 1 _ C I M TP3 TP1 C717 0 1u C711 0 1u R704 100 100 R705 MIC_1P MIC_1N TP2 R703 R705 ...

Page 103: ...SME_1 8V R713 TP1 DET R715 DET_IN Headset MIC HS Detect IC Bias VREG_P3_2 85V C728 TP2 No START Make a call Yes No Make a some sound or voice to MIC Yes R713 TP1 is about 1 8V Some sound signal appears at R714 TP4 Some sound signal appears at C209 TP3 Yes WorkWell END Yes No Change the U200 MSM7225A or Change the Main PCB C728 TP2 is about 2 85V Change the U700 MAX14579E or Change the Main PCB Cha...

Page 104: ...C227 47p S A I B _ C I M 2 0 2 R K 2 2 9 0 2 C u 1 0 ZD200 C216 0 1u C226 33p 8 0 2 C u 1 0 5 1 2 C u 1 0 4 1 2 C u 1 0 P O _ E N I L P _ V C R N _ V C R C I M _ S H P 1 _ C I M N O _ E N I L N 1 _ C I M TP3 TP1 VREG_MSME_1 8V 3 1 7 R M 1 R714 2 2K C728 1u 2 1 7 R M 1 U700 EAN62065901 MAX14579E 9 6 5 3 4 8 2 7 1 RES DET_IN MODE MIC DET SWD CAP C C V D N G P C734 220n R715 10K VREG_P3_2 85V EAR_SEN...

Page 105: ... purposes LGE Internal Use Only 5 DOWNLOAD TOOL INFORMATION TOOLVERSION DLL NAME USB DRIVER LGFLASHTool1350 LGFLASHTool1350 LGE400f_ 12022 1_Download LGUnitedMobileDriver_ S4981CA22 _ML_WHQL_Ver_2 2 1 Please Check theVersion to B2B H W Name Part No D L Cable Micro 5P USB DLC 56 130 910K BJAY0023973 ...

Page 106: ...5 DOWNLOAD 106 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz E400f E400f snm XUZU UYX LGFLASHTool1350 ...

Page 107: ...ght 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only snm XUZU UYX tz tz snm XUZU UYX sntz YWXYWYW_ k E400f LGFLASHTool1350 LGE400f_120221_Download LGFLASHTool1350 E400f ...

Page 108: ...5 DOWNLOAD 108 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 109: ...5 DOWNLOAD 109 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LGE400f ...

Page 110: ...5 DOWNLOAD 110 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 111: ...5 DOWNLOAD 111 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 112: ...5 DOWNLOAD 11 Copyright 01 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 113: ...5 DOWNLOAD 113 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 114: ...5 DOWNLOAD 114 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 115: ...5 DOWNLOAD 115 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 116: ...5 DOWNLOAD 116 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 117: ...5 DOWNLOAD 117 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 118: ...ning and service purposes LGE Internal Use Only tz snm XUZU UYX sntz YWXYWYW_ k tz tz snm XUZU UYX sntz YWXYWYW_ k sntz YWXYWYW_U sntz YWXYWYW_ LGE400f LGFLASHTool1350 LGE400f_120221_Download LGE400f LGE400f LGE400f_120221 LGFLASHTool1350 LGE400f_120221_Download LGE400f_20120221 dll ...

Page 119: ...5 DOWNLOAD 119 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz LGE400f LGE400f ...

Page 120: ...5 DOWNLOAD 120 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 121: ...5 DOWNLOAD 121 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 122: ...5 DOWNLOAD 122 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 123: ...5 DOWNLOAD 123 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz LGE400f LGE400f ...

Page 124: ...5 DOWNLOAD 124 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz LGE400f LGE400f ...

Page 125: ...DDR1 3Gb eMMC 2GB EBI1 DDR MIPI I F GPS MSM7225A SDC3 eMMC CAM 3M FF MCP Micron MIC MIC TCXO 19 2M TCXO_RTR_19 2MHz TCXO PM 19 2MH CAM_I2C CAM 3M FF MOTION Sensor LINE_ON OP EAR1 OP ON HPH_L R LINE_OP LINE_ON HPH_R HPH_L SPK_RCVP N Speaker 3 5 pi EAR_L R Audio Sub TPA2055D3 GPIO_27 AUDIO_I2C TCXO_19 2M Kyocera RTR_TRK_LO_ADJ TCXO_PM_19 2MHz Proximity Sensor GP2AP002s00F PROX_I2C PROX_INT RCV_P RCV...

Page 126: ...EG_S4 GPS LNA 4Gb RAM WCDMA GSM PAM VBAT VBUS PM8029 VBAT VREG_MSME_1 8V VRG_L18 VREG_RF_2 7V VREG_P3_2 85V VREG_L12 _ MINI ABB LP8727 B Battery 1500mAh WCN1314 WiFi 1V3_MSM_A3_WCN VREG_L19 3V_WLAN_WCN VREG_L17 1V8_WLAN_TCXO VREG_L11 1V2_WLAN_WCN VREG_L6 1V3_MSM_A3_WCN VREG_L5 VCOIN VBAT Micro SD VREG_SDCARD_2 85V VREG_L13 KEY LED BACKLIGHT_KEY MPP3 USIM VREG_L16 VREG_USIM1_2 85V VIB_DRV_N VIB_DRV...

Page 127: ... HPH_R GPIO119 GPIO120 IN3 IN3 SCL SDA IN1 IN1 EAR1_ON EAR1_OP RCV_N RCV _P LINE_OP LINE_ON SPK_RCV_P SPK_RCV_N AUDIO_I2C_SDA AUDIO_I2C_SCL HPR HPL OUT OUT MIC_BIAS MIC_1P MIC_1N MIC EAR_R EAR_L WCN 2243 FM_LO_R FM_LO_L FM_L FM_R EAR_R EAR_L HS_MIC FM_HRX_IN HPH_L HPH_R EAR_SENSE_3 5PI DET_IN DET SWD MODE HS_MIC GPIO41 GPIO28 EAR SENSE 3 5PI_KEY_POLE_DET GPIO127 MIC MODE FM_ANT FM_ANT LGE400 Audio...

Page 128: ...A 3 0 MICRO_SD_CMD MICRO_SD_CLK MICROSD DET GPIO_56 GPIO_55 _ 060 A1 13 0 D1 31 0 SDRAM_CLK SDRAM CKE 1 0 EBI1_ADR 13 0 EBI1_DQ 31 0 EBI1_DCLK EBI1 CKE0 nMICROSD_DET GPIO_40 SDRAM_CKE 1 0 SDRAM_CS 1 0 SDRAM_RAS SDRAM_CAS SDRAM_WE SDRAM_DQM 3 0 DDR 3Gb SDRAM_DQS 3 0 EBI1_CKE0 EBI1_CS0_N EBI1_RAS_N EBI1_CAS_N EBI1_WE_N EBI1_DM_ 3 0 EBI1 DQS 3 0 EBI1_DQS_ 3 0 SDRAM_BA 1 0 SDRAM_CLK EBI1_DCLKB EBI1_BA...

Page 129: ...a SoC SoC LCD CAM_MCLK CAM_PCLK CAM_HSYNC CAM_VSYNC EBI2_DATA 0 15 MSM7225A MSM7225A LCD_IFMODE LCD_RESET_N _ CAM_RESET_N CAM_SCL CAM_SDA LCD_VSYNC LEDA_C LCD_PWM TOUCH_I2C_INT LCD BOOSTER LCD BOOSTER LCD_BL_EN LCD BL SCL TOUCH_I2C_SCL TOUCH_I2C_SDA TOUCH TOUCH PANNEL PANNEL LCD_BL_SCL LCD_BL_SDA 9 78 7UaYfU 6 cW_ 8 U fUa LGE400f LCD Camera Block Diagram ...

Page 130: ...6 Block Diagram 130 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 9 F 6 cW_ 8 U fUa LGE400f RF Block Diagram ...

Page 131: ... B3 8 8 8 4 0 9 0 3 1B7 3 2B 1 B5B 3 1 B B 3 6 2B 7 5 B5 0B 2B5 7B5 2 0 2 3 3 4 5 1B5 7B75 5 3 2B 3 2B B B 0B5 6B 17 7B8 57B7 3 4 5 5 6 35 59 5 6 35 39 DU 3 2B 3 2B 3 2B 7B8 57B5 0B 5 B 1 7B8 57B 76 7B8 57B576 5 6 35 39 5 6 35 54 5 6 35 354 5 9 0 U DFN 3 2B 3 2B 3 2 6 6B567B1 7B3 0B287 5 3 4 5 5 1 5 1 065 3 2B 3 2B 3 2B 7B3 0B 1 6 3B 7B3 0B6 1 7B3 0B 5 1 4 5 1 9 6H K 5B A 6 cW_ 8 U fUa LGE400f BT ...

Page 132: ...1 0 5 5 1 C u 1 0 6 5 1 C u 1 0 7 5 1 C u 1 0 8 5 1 C u 1 0 3 3 1 C u 1 0 9 5 1 C 1n C113 u 1 0 9 2 1 C u 1 0 8 2 1 C C168 0 1u u 1 0 7 2 1 C U100 3 1 N 0 1 K 9 K 8 K 7 K 6 K 5 K 4 K 0 1 J 9 J 8 J 7 J 6 J 5 J 4 J 0 1 H 9 H 8 H 7 H 6 H 5 H 4 H 0 1 G 9 G 8 G 7 G 6 G 5 G 4 G 0 1 F 9 F 8 F 7 F 6 F 5 F 4 F 0 1 E 9 E 8 E 7 E 6 E 5 E 4 E 0 1 D 9 D 8 D 7 D 6 D 5 D 4 D N7 4 N 1 N 2 1 M 1 1 M 0 1 M M9 4 M 2...

Page 133: ...L P I _ L _ E N I L N I _ R _ E N I L P I _ R _ E N I L F E R V _ H P H L _ H P H R _ H P H N I X U A P I X U A N 1 C I M P 1 C I M N 2 C I M P 2 C I M N O _ 1 R A E P O _ 1 R A E N O _ E N I L P O _ E N I L T U O _ X U A P M O C C S A I B _ C I M N _ N I S E R N _ T U O S E R K L C _ P L S K L C S Y S _ Y H P B S U D V S R O X C T L A C _ I P I M O D L _ I P I M P _ K L C _ I S D _ I P I M N _ K ...

Page 134: ...D V 2 4 _ 1 C _ D D V 3 4 _ 1 C _ D D V 4 4 _ 1 C _ D D V 5 4 _ 1 C _ D D V 6 4 _ 1 C _ D D V 7 4 _ 1 C _ D D V 8 4 _ 1 C _ D D V 9 4 _ 1 C _ D D V 0 5 _ 1 C _ D D V 1 5 _ 1 C _ D D V 2 5 _ 1 C _ D D V 3 5 _ 1 C _ D D V 4 5 _ 1 C _ D D V 5 5 _ 1 C _ D D V 6 5 _ 1 C _ D D V 7 5 _ 1 C _ D D V 8 5 _ 1 C _ D D V 9 5 _ 1 C _ D D V 0 6 _ 1 C _ D D V 1 6 _ 1 C _ D D V 2 6 _ 1 C _ D D V 3 6 _ 1 C _ D D V ...

Page 135: ...P 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 VREG_S1 VSW_S2_1 VSW_S2_2 VREG_S2 VSW_S3_1 VSW_S3_2 VREG_S3 VSW_S4 VREG_S4 VREG_L1 VREG_L2 VREG_L3 VREG_L4 VREG_L5 VREG_L6 VREG_L7 VREG_L8 VREG_L9 VREG_L10 VREG_L11 VREG_L12 VREG_L13 VREG_L14 VREG_L15 VREG_L16 VREG_L17 VREG_L18 VREG_L19 NCP_CTC1 NCP_CTC2 VREG_NCP ...

Page 136: ...UT_B3 INOUT_A4 INOUT_B4 1 G 2 G 15pF FL501 0 1 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 1 G 2 G CAM_AVDD_2 8V CAM_DVDD_1 2V TP500 VREG_MSME_1 8V C504 2 2u CAM_AVDD_2 8V 2 0 5 C u 1 C514 470n FL502 15pF 0 1 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 1 G 2 G VREG_MSME_1 8V VBAT R503 100 C501 1u CN500 21 2...

Page 137: ...ND U600 2 5 4 1 1 3 1 10 11 6 3 9 8 2 1 4 6 1 5 1 7 1 D N G K C S 1 T N I 3 T N I 3 D N G 2 D N G DRDY PS2 2 B S C SDI SDO D D V INT2 O I D D V 1 B S C PS1 3 0 6 R K 7 4 4 1 6 R K 7 4 VREG_MSME_1 8V LD601 LD600 4 0 6 R K 7 4 VREG_MSME_1 8V VREG_MSME_1 8V 7 0 6 R 0 1 C607 4 7u C604 10u C605 1u VREG_MSME_1 8V VREG_PROX_2 8V MOTION_INT PROX_OUT TOUCH_I2C_SDA TOUCH_INT TOUCH_I2C_SCL BACKLIGHT_KEY MOTI...

Page 138: ... U700 EAN62065901 MAX14579E 9 6 5 3 4 8 2 7 1 RES DET_IN MODE MIC DET SWD CAP C C V D N G P C708 1n FB702 1000 FB703 1000 7 0 7 R K 7 4 C713 39pF 8 0 7 R K 7 4 C717 0 1u R711 1 C734 220n R715 10K VREG_P3_2 85V 8 0 7 A V C735 DNI C736 DNI C714 2 2u FB705 FB706 FB708 600 FB707 600 C711 0 1u ZD700 3 0 7 A V C703 0 1u C701 0 1u 2 0 7 A V 1 2 7 C p 9 3 R704 100 R700 1K 2 2K R701 K 2 2 6 0 7 R 100 R705 ...

Page 139: ...0 8 A V CN800 14 13 12 11 10 8 7 6 5 4 3 2 1 9 SW1 SW2 3 0 8 A V R F 0 5 0 8 1 5 0 L V C I K 6 5 1 0 8 R R813 470 K 6 5 3 0 8 R KB800 7 0 8 A V 5 0 8 A V R F 0 5 0 8 1 5 0 L V C I C802 22p 33p C804 DNI C800 C805 1u VA814 VREG_USIM1_2 85V VA810 R808 10 VA811 R814 470 CN802 3 2 1 VA812 J800 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C803 0 1u 8 0 8 A V 9 0 8 A V SIM...

Page 140: ...M R I F N O C _ X T O I F R _ T B 0 R1 U901 EAN62416201 WCN1314 0 87WLNSP TR 0D 63 33 53 56 45 71 84 75 82 28 13 16 6 15 14 23 11 21 12 17 22 87 80 41 29 20 39 19 26 25 9 27 18 SLEEP_CLK GND_D1 DNC1 GND_D2 GND_D3 WLAN_RST_N WLAN_ACTIVE BT_PRIORITY BT_ACTIVE TCXO_IN RF_RX PDET_IN PA_EN WLAN_CLK_REQ TR_SW_EN_0 TR_SW_EN_1 TR_SW_EN_2 SDIO_CMD SDIO_CLK SDIO_DATA3 SDIO_DATA2 SDIO_DATA1 SDIO_DATA0 DNC2 P...

Page 141: ...Pin Map 141 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G snlG p G G v G G U301 Memory MCP Top View 8 BGA PIN MAP U301 Memory MCP Top View ...

Page 142: ...in Map 142 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G snlG p G G v G U200 MSM7225A Bottom View U200 MSM7225A Bottom View USE Not In Use ...

Page 143: ...8 BGA Pin Map 143 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U402 PM8029 Bottom View U402 PM8029 Bottom View USE Not In Use ...

Page 144: ...8 BGA Pin Map 144 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U100 RTR6285A Top View U100 RTR6285A Top View USE Not In Use ...

Page 145: ...8 BGA Pin Map 145 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U900 WCN2243 BT FM Top View U900 WCN2243 BT FM Top View ...

Page 146: ...8 BGA Pin Map 146 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only G U901 WCN1314 WiFi Top View U901 WCN1314 WiFi Top View USE Not In Use ...

Page 147: ...OUT VA600 KB800 VA707 5 0 7 A V LD601 R612 2 0 6 U LD600 R611 VA706 C733 FB703 R711 FB704 FB702 ZD200 C732 C730 9 2 7 C R710 3 0 0 1 C L702 VA708 C731 6 2 7 C 4 0 7 A V 7 2 7 C 4 0 6 A V R604 VA603 R603 VA602 R602 VA601 9 PCB LAYOUT LG E400f_MAIN_EAX64669801_1 0_TOP U602 Proximity Sensor Touch working when talking close to face ...

Page 148: ... L C166 2 5 1 C C173 1 0 1 L F 6 7 1 C 1 1 8 A V 4 0 4 C 3 1 8 R 1 0 4 L F 4 1 8 R 0 1 8 A V 7 4 3 C 5 5 3 C 6 3 1 C C155 0 1 0 1 L C139 5 0 1 T N A C911 C908 C912 3 0 9 L R905 C909 C930 1 R C929 2 R C928 C214 C208 C210 C209 C215 C216 R221 C363 C213 C211 C212 9 4 3 C 5 4 3 C R313 R312 1 0 3 U C306 R308 C308 2 2 1 R 3 2 1 C 5 2 1 C 4 2 1 C 2 0 1 R 7 0 0 1 L C126 5 0 0 1 L L113 3 1 0 1 C L110 R119 9...

Page 149: ... S WVERSION Tachyon36 LGE400f_20120213_Calibration Please Check theVersion to B2B H W Name Part No PIF PIF200 AllType BJAY0024021 USB Cable USB Cable RAD32247898 Power Cable DC Power Cable RAD32247878 I O Cable 5P E SATA BJAY0024049 RF Cable_Main MS156 BJAY0024004 Power Supply_PIF Power Supply 5 3V Power Supply_Phone Power Supply 5 0V RFTest Equipment E5515C 8960 ...

Page 150: ...10 Calibration 150 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz Z sntz YWXYWYXZ j E400f Tachyon36 LGE400f_20120213_Calibration ...

Page 151: ...10 Calibration 151 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz E400f ...

Page 152: ...10 Calibration 152 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 153: ...10 Calibration 153 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 154: ...ibration 154 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz tz tz tz tz E400f E400f E400f E400f E400f LGE400f LGE400f LGE400f E400f ...

Page 155: ...10 Calibration 155 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 156: ...10 Calibration 156 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 157: ...10 Calibration 157 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only W UW MS156 BJAY0024004 MS156 ...

Page 158: ...10 Calibration 158 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 159: ...10 Calibration 159 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 160: ...10 Calibration 160 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 161: ...10 Calibration 161 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Z Z ...

Page 162: ...10 Calibration 162 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only UW ...

Page 163: ...10 Calibration 163 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 164: ...10 Calibration 164 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ...

Page 165: ...10 Calibration 165 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz E400f ...

Page 166: ...10 Calibration 166 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz tz tz tz tz tz E400f E400f E400f E400f E400f E400f ...

Page 167: ...10 Calibration 167 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz tz tz tz E400f E400f ...

Page 168: ...10 Calibration 168 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only tz ym WW E400f ...

Page 169: ... reserved Only for training and service purposes LGE Internal Use Only 11 HIDDEN MENU Hidden Menu Start Start shortcut keys 3845 400f Hidden Menu Start the desired menu Menu click Version Info Classified Information representation Hidden Menu Settings Version Info ...

Page 170: ...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 Allauto Test You can test all functions automatically Auto AllTest Result You can check Test Results ...

Page 171: ...tems USIM Card connecting is PASS SD Card connecting is PASS Ear Phone No connecting is PASS Charging Mode connecting is PASS 2D LCD DisplayTest Check Black White Color Key PressTest Check below Items Up Down key Hard Key Power key Hard Key Menu key Touch Key Home key Hard Key Back key Touch Key Compass Sensor Check North Proximity Sensor Bilnd the Proximity sensor ...

Page 172: ...172 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Touch DrawingTest Draw a guide line SoundTest Touch the Play icon VibratorTest Touch the Start icon ...

Page 173: ...ht reserved Only for training and service purposes LGE Internal Use Only CameraTest Snapshot Touch screen to capture CameraTest Camcoding Camera is recoding for 5 seconds Motion SensorTest Check 3 positions Position horizontally Position Vertically Position side ...

Page 174: ... 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 Sound LoopbackTest Look Back On is test mode on Look Back OFF is test mode off FM RadioTest 87 5 Mhz is scanned automatically Connect ear jack Touch FM Radio Off icon ...

Page 175: ... Cover Assembly Rear PIFA Antenna Multiple LCD Module Touch Window Assembly Cover Assembly Front Contact Assembly Side Button Tape Window Cap Cap Button Side Button Tape Window Contact Assembly Sheet Tape Tape Window Button Side Gasket Damper LCD Tape Tape Protect Screw Machine PCB Assembly Main Microphone Condenser Speaker Module Camera Module Can Shield Dome Assembly Metal Motor DC Cover Assembl...

Page 176: ...mper Connector MCQ66954801 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MBF000000 Bush MBF62844201 PRESS STS 1 8 LGE400 AITABK ZZ Without Color 4 MCQ015701 Damper Connector MCQ66973701 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MCQ049800 Damper Motor MCQ66992701 COMPLEX LGE400 ADEUSK ZZ Without Color 4 MEZ000900 Label After Service MEZ64319901 COMPLEX LGF120L ALGTWA ZZ Without Color F120l AS Label 4 MJN...

Page 177: ...501 INSERT NUT MICE0016903 MECH_COMMON ZY ZZ PRESS STS 5 MET099500 INSERT NUT MICE0016902 MECH_COMMON ZY ZZ PRESS STS 5 MBG01 Button MBG64527901 MOLD ACRYL LGE400 AITABK BK BLACK BLACK Home Button 5 MJN04 Tape Window MJN68115101 COMPLEX LGE400 ADEUSK ZZ Without Color 5 MJN061100 Tape Protect MJN68106601 COMPLEX LGE400 AITABK ZZ Without Color E400 TAPE PROTECT FRONT TOP 5 MJN061101 Tape Protect MJN...

Page 178: ...JN68247801 COMPLEX LGE400F ATCLBK ZZ Without Color LGE400F G TAPE PCB f GREEN 5 MEZ000000 Label MLAZ0038301 COMPLEX LG VX6000 ZZ Without Color PID Label 4 Array PRINTING 6 ANT100 ANT105 Contact MCIZ0008401 COMPLEX LG C900 ATTDW ZZ Without Color PRESS BeCu 3 0 1 2 1 5 1 AAD000000 Addition Assembly AAD86052601 LGE400F AVIVBK BK Black 2 ACQ02 Cover Assembly Battery ACQ85921947 LGE400 AITABK BK BLACK ...

Page 179: ...ReplacementParts Main component 4 EBR071500 PCB Assembly Main Insert EBR75266611 LGE400 AITABK 1 0 Main 5 SUMY00 Microphone Condenser SUMY0003816 OBM 410L44 RC1882 44DB 2 2KOHM OMNI 1TO10V 4x1 0t FPCB BSE CO LTD 5 EAB00 Speaker Module EAB62672101 18108 8T 28MP Nd Fe B 700mW 8OHM 90DB 700HZ 55 6 20 59 4 45 1810 3t SPK ANT SUB enclosure spring SPRING KIRYN TELECOM CO LTD 5 EBP00 Camera Module EBP615...

Page 180: ...P TDK KOREA COOPERATION 6 R201 R212 R220 R309 R403 R715 Resistor Chip ERHZ0000405 MCR01MZP5J103 10KOHM 5 1 16W 1005 R TP ROHM 6 C400 C406 C407 C408 C413 C426 C500 C502 Capacitor Ceramic Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10 10V X5R 55TO 85C 1005 R TP TDK KOREA COOPERATION 6 U104 IC RF Amplifier SMZY0025501 RF2815 3 3 2 1 1 0 FILTER GPS LNA FILTER MODULE GPS RF MICRO DEVICES INC 6 FL500 FL501...

Page 181: ...k 6 C306 C311 C312 C317 C322 C323 C444 C445 C446 C447 C460 C506 C507 C508 C509 C511 C512 C700 C714 C715 C719 C723 Capacitor Ceramic Chip ECCH0000198 CL05A225MQ5NSNC 2 2uF 20 6 3V X5R 55TO 85C 1005 R TP SAMSUNG ELECTRO MECHANICS CO LTD C724 C725 C935 C943 6 VA800 VA801 VA802 VA803 VA804 VA805 VA812 VA813 VA814 VA815 Varistor SEVY0005101 ICVL0518050FR 18V 0 5F 1 0 0 5 0 55 NONE SMD R TP INNOCHIPS TE...

Page 182: ... C344 Capacitor Ceramic Chip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 1005 BK DUP MURATA MANUFACTURING CO LTD C344 C345 C346 C347 C348 C349 6 C350 C351 C352 C353 C354 C355 C356 C357 C358 C359 C360 C361 C362 C363 C364 C365 C366 C514 Capacitor Ceramic C hip ECZH0001217 GRM155R60J474K 470nF 10 6 3V X5R 25TO 70C 1005 BK DUP MURATA MANUFACTURING CO LTD 6 L115 L118 Inductor Multilayer C hip...

Page 183: ...tor Ceramic C hip ECZH0003103 GRM36X7R104K10PT 100nF 10 10V X7R 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 U402 IC PMIC EAN62090501 PM8029 3 to 4 4V adj 1 3W NSP R TP 140P QUALCOMM INCORPORATED C124 C126 C127 C128 C129 C133 C147 C149 C151 C152 6 C154 C155 C156 C157 C158 C159 C160 C168 C169 C193 C207 C208 C209 C210 C212 C214 C215 C216 C225 C228 Capacitor Ceramic Chip ECCH0002001 C1005JB0J104...

Page 184: ... ECCH0002001 C1005JB0J104KT000F 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP TDK CORPORATION 6 R809 R811 R812 R813 Resistor Chip ERHZ0000285 MCR01MZP5F4700 470OHM 1 1 16W 1005 R TP ROHM R814 6 C401 C465 Capacitor Ceramic Chip EAE62505701 CL10A105KB8NNNC 1uF 10 50V X5R 55TO 85C 1608 R TP 0 9T max SAMSUNG ELECTRO MECHANICS CO LTD 6 R112 R114 Resistor Chip ERHZ0000415 MCR01MZP5J131 130OHM 5 1 16W 1005 R TP R...

Page 185: ... C201 C433 C902 C941 C942 C946 L102 L110 Capacitor Ceramic Chip ECZH0000813 C1005C0G1H101JT 100pF 5 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION L130 6 R1 R102 R103 R106 R109 R110 R111 R128 R2 R3 R300 R311 R313 R314 R4 R405 R406 R416 R417 R424 R426 R428 R709 PCB ASSY MAIN PAD SHORT SAFP0000401 LG LU3000 LGTBK MAIN A 6 R218 R221 PCB ASSY MAIN PAD OPEN SAFO0000401 AX3100 ATL SV_SHIPBACK MAIN A ...

Page 186: ...451 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD C451 C452 C453 C454 C455 C456 C457 C458 C459 C501 C510 C605 C728 C805 C926 6 FB700 FB701 FB707 FB708 Filter Bead SFBH0008101 BLM15AG601SN1D 600 ohm 1 0X0 5X0 5 25 0 6 ohm 0 3A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 C113 C123 C206 C707 C708 C937 Capacitor Ceramic Chip ECCH000014...

Page 187: ...0 5 0 55 6 VA701 VA806 VA807 VA808 VA809 VA810 VA811 Varistor SEVY0004301 ICVL0518100Y500FR 18V 0 10F 1 0 0 5 0 55 NONE SMD R TP INNOCHIPS TECHNOLOGY 6 L119 L123 Inductor Multilayer Chip ELCH0001412 LL1005 FHL1N8S 1 8NH 0 3NH 400mA 0 14OHM 15GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 6 CN501 Connector BtoB ENBY0034201 GB042 24S H10 E3000 24P 0 40MM STRAIGHT SOCKET SMD R TP 1M LS Mtron Ltd 6 R50...

Page 188: ... EAST JAPAN SALES OFFICE 6 C410 C411 C414 C702 Capacitor Ceramic Chip EAE62506501 CL05A475MP5NRNC 4 7uF 20 10V X5R 55TO 85C 1005 R TP SAMSUNG ELECTRO MECHANICS CO LTD 6 U102 IC Power Amplifier SMPY0020702 ACPM 5201 LR1 dBm A dBc dB 3 0 3 0 1 1 SMD WBAND 1 CPL 3 MODE BYPASS CLAMPING SMD R TP AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED 6 C174 C187 Capacitor Ceramic Chip ECCH0005603 GRM188R61A...

Page 189: ... C438 C439 C939 Capacitor Ceramic Chip ECCH0017501 CL10A226MQ8NRNE 22uF 20 6 3V X5R 55TO 85C 1608 R TP 0 8MM SAMSUNG ELECTRO MECHANICS CO LTD C939 6 L901 R100 Inductor Multilayer Chip ELCH0001431 LL1005 FHL68NJ 68NH 5 180mA 1 7OHM 1 3GHZ 10 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 6 CN600 Connector BtoB ENBY0051001 GB042 10S H10 E3000 10P 0 4MM STRAIGHT FEMALE SMD R TP 1M LS Mtron Ltd 6 C1006 C1007...

Page 190: ...H 300mA 0 17OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 C190 C202 Capacitor Ceramic Chip ECZH0001002 C1005CH1H0R5BT000F 0 5pF 0 1PF 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 R702 R703 R808 Resistor Chip ERHZ0000402 MCR01MZP5J100 10OHM 5 1 16W 1005 R TP ROHM 6 R901 R902 Resistor Chip ERHZ0000243 MCR01MZP5F2201 2 2KOHM 1 1 16W 1005 R TP ROHM 6 C178 C189 Inductor...

Page 191: ...0V X5R 55TO 85C 1005 R TP 0 5MM SAMSUNG ELECTRO MECHANICS CO LTD 6 R419 Resistor Chip ERHY0000140 MCR01MZP5F3602 36KOHM 1 1 16W 1005 6 R419 Resistor Chip ERHY0000140 R TP ROHM 6 R107 R202 R506 R507 R701 R706 R714 Resistor Chip ERHZ0000443 MCR01MZP5J222 2 2KOHM 5 1 16W 1005 R TP ROHM 6 L400 L401 Inductor Wire Wound Chip ELCP0009409 LQM2HPN2R2MG0L 2 2UH 20 600mA 0 6 1 3 0 08OHM SHIELD 2 5X2X1MM NONE...

Page 192: ...2P ANGLE R TP 3 5M 6 CN701 Jack Phone EAG63070601 BLACK 5P KSD CO LTD 6 C914 Capacitor Ceramic Chip ECCH0000175 GRM1555C1H2R7B 2 7pF 0 1PF 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C134 C604 C720 Capacitor Ceramic Chip ECCH0005604 GRM188R60J106M 10000000 pF 6 3V M X5R TC 1608 R TP 0 8 mm MURATA MANUFACTURING CO LTD 6 R404 Resistor Chip ERHZ0000444 MCR01MZP5J223 22KOHM 5 1 16W 1005 ...

Page 193: ...Resistor Chip ERHZ0000249 MCR01MZP5F22R0 22OHM 1 1 16W 1005 R TP ROHM ICMEF214P101MFR ICMEF214P101MFR ICMEF214P101MFR SMD ESD Common mode 6 FL505 Filter EMI Power SFEY0015901 ICMEF214P101MFR SMD ESD Common mode Filter INNOCHIPS TECHNOLOGY INNOCHIPS TECHNOLOGY 6 R213 Resistor Chip ERHZ0000291 MCR01MZP5F49R9 49 9OHM 1 1 16W 1005 R TP ROHM 6 C440 Capacitor Ceramic Chip ECCH0000149 MCH155CN332KK 3 3nF...

Page 194: ...H 5 300mA 0 26OHM 3 4GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 R115 R117 Resistor Chip ERHZ0000517 MCR01MZP5J910 91OHM 5 1 16W 1005 R TP ROHM 6 R400 R700 Resistor Chip ERHZ0000404 MCR01MZP5J102 1KOHM 5 1 16W 1005 R TP ROHM 6 SW100 Connector RF ENWY0008701 MS 156C NONE STRAIGHT SOCKET SMD T REEL AU 50OHM 400mDB HIROSE KOREA CO LTD 6 C182 Inductor Multilayer Chip ELCH0004712...

Page 195: ...ECHANICS CO LTD 6 FL1001 Filter Saw Dual EAM62492501 SAWFD1G84CB0F0A 1842 5 1960MHz 1 5 1 1 0 5 SMD R TP 10P MURATA MANUFACTURING CO LTD 6 CN401 Connector Terminal Block ENZY0030401 KQ03LV 3R 3 2 5 mm STRAIGHT Gold Twin One board 5 4mm HIROSE KOREA CO LTD 6 U901 IC WiFi EAN62416201 WCN1314 0 87WLNSP TR 0D WCN1314 Revision version WiFi 11bgn signle band 3 95x4 16x0 63 0 4pitch 65nm WLCSP R TP 87P Q...

Page 196: ...CG HONG KONG SAR LTD ACPM 5205 27 5 dBm 40 3 mA 36 dBc 26 5 dB 4 5 1 0 SMD LGA R TP AVAGO 6 U103 IC Power Amplifier SMPY0022001 dB 4x5x1 0 SMD LGA R TP AVAGO TECHNOLOGIES INTERNATIONAL SALES PTE LIMITED 6 C220 Capacitor Ceramic Chip ECCH0010501 GRM1555C1H7R5D 7 5pF 0 5PF 50V C0G 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C434 Capacitor TA Conformal EAE62287901 251M1002107MR12A168 100uF 20 1...

Page 197: ...5NH 5 250mA 0 53OHM 2GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD HK1005 3N9S T 3 9NH 0 3NH 300mA 6 L900 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 C171 C179 Capacitor Ceramic Chip ECCH0000184 GRM1555C1H2R7C 2 7pF 0 25PF 50V NP0 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 R805 Resistor...

Page 198: ...05C270JB5NNNC 27pF 5 50V NP0 55TO 125C 1005 R TP 0 5 SAMSUNG ELECTRO MECHANICS CO LTD 6 R108 Resistor Chip ERHZ0000212 MCR01MZP5F1202 12KOHM 1 1 16W 1005 R TP ROHM 6 C232 L1035 Inductor Multilayer Chip ELCH0004726 1005GC2T1N5SLF 1 5NH 0 3NH 300mA 0 13OHM 7GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 U400 IC Mini ABB EAN62339701 LP8727 B MUIC with Charger IC CSP R TP 25P TEXAS INST...

Page 199: ...0 17OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 FL2 Filter Duplexer EAM62510901 B8553 881 5 869 to 894 836 5 824 to 849 2 5 2 3 2 0x1 6x0 47 DUAL SMD R TP 9P EPCOS PTE LTD 6 FL1002 Filter Saw Dual EAM62470601 B9814 881 5 942 5MHz 1 5 1 1 0 4 SMD R TP 10P EPCOS PTE LTD 5 EBR071700 PCB Assembly Main SMT Top EBR75287001 LGE400F AVIVBK 1 0 Main 6 FB702 FB703 Filter Bead SFB...

Page 200: ...Inductor Multilayer Chip ELCH0004730 1005GC2T33NJLF 33NH 5 200mA 1OHM 1 3GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 R113 Resistor Chip ERHZ0000483 MCR01MZP5J470 47OHM 5 1 16W 1005 R TP ROHM 6 C112 C136 C194 C226 C409 C804 L120 Capacitor Ceramic Chip ECZH0000830 C1005C0G1H330JT000F 33pF 5 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 C730 Capacitor Ceramic Chip ECCH0000112 ...

Page 201: ...00000 Accessory Data Cable SGDY0016701 KCA ET 8 0020 KCA ET 8 0020 Micro USB 1 2M KSD CO LTD 2 EAY060000 Adapters SSAD0036001 STA U12BR 90Vac 264Vac 5 1V 700mA 5060 GOST NONE NONE SUNLIN ELECTRONICS CO LTD 3 MFL053800 Manual Operation MFL67500308 COMPLEX LGE400F AVIVBK ZZ Without Color LGE400F VIV 2 EAB010200 Earphone Stereo EAB62209201 HC MYD LG127 20mW 16OHM 115DB 20HZTO20KHZ 1 1M BLACK 3 5 L TY...

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