LG LG-P768 Service Manual Download Page 151

Page: 151 / 231

- 151 -

Only for training and service purposes

LGE Internal Use Only

7. CIRCUIT DIAGRAM

SENSOR_3.0V

U804

EUSY0407401

RT9032AGQW

VIN

VOUT1

EN1

VOUT2

GND

EN2

PGND

C836

0.1u

C844
1u

C852
1u

4.7u

C828

C834

10n

VSEL_2.1V

C835

0.1u

C842
1u

SENSOR_3.0V

PROXI_3.0V

C853
1u

C840

C839
1n

120

FB803

C813

0.1u

C827

10u

TP805

TWL_LDO_3.2V

C847

VSEL_1.8V

U801

BOSCH

BMC050

EAN62222201

16 15

GND1

INT1

INT3

GND3

GND2

DRDY

PS2

CSB2

SDI

SDO

INT2

VDDI

CSB1

PS1

0.1u

C830

C831
0.1u

FB802 120

4.7u

C838

C843
1u

4.7u

C824

VBAT

PROXI_3.0V

C814

2.2u

C804

2.2u

C819

0.1u

C810

0.1u

C809

0.1u

C803

C808
0.1u

VSEL_2.1V

0.1u

C802

VSEL_1.8V

VBAT

EUSY0424501

TWL6040

U803

H10

K11

J11

C11

B10

L11

A11

L10

F11

G11

E11

E10

H11

K10

GNDRE

GNDHS GNDAMI

GNDDMIC GNDLDO

GNDLDO

GNDVCM GNDNCP

GNDNCP

GNDHFL

GNDHFR1 GNDHFR2 GNDHFR3 GNDDI

GNDVIB

GNDI

PBKG1

PBKG2

PBKG3

PBKG4

PBKG5

VDDREGNCP

NCPOUT1

NCPOUT2

NCPFB

CFLYP

CFLYN

PDMDN

PDMUP

PDMCLK

PDMCLKLB

PDMFRAME

SDA

SCL

AUDPWRON

NRESPWRON

NAUDINT

GPO1

GPO2

GPO3

REFN

REFP

REF

PLUGDET

ACCONN

ATEST

DTEST1

DTEST2

DTEST3

PROG

MCLK

CLK32K

DBIAS1

DBIAS2

MBIAS

MMICP

MMICN

SMICP

SMICN

HBIAS

HMICP

HMICN

AFMR

AFML

EARP

EARN

HSL

HSR

AUXLP

AUXLN

AUXRP

AUXRN

HFLP1

HFLN1

HFRP1

HFRN1

HFLP2

HFLN2

HFRP2

HFRN2

VIBLP

VIBLN

VIBRP

VIBRN

VDDVRE

VDDEAR VDDHS VDDUL VDDDL VDDPL

VDDHFL

VDDHFR1 VDDHFR2 VDDVIB

VDDVIB

VDDAMBIAS VDDDMBIAS

VDDVIO VSSEAR VSSH

VSSU

VSSD

VSSPL

VDDV2V

VDDLDO

VSSLDOIN

VSSLDO

NC1

NC2

NC3

NC4

NC5 NC6 NC7 NC8 NC9

FB804

120

FB801

VBAT

220n

C805

0.1u

C811

C820
1u

0.47u

C815

0.1u

C826

2.2u

C806

C837

4.7u

C829

0.1u

R804

R806

R809

C807
100n

C818

100n

470n

C812

0.1u

C825

C832

0.1u

R808

10n

C833

4.7K

R817

VSEL_1.8V

C850
1n

C851

10K

R816

TP806

U800

EAN62006801

APDS-9190

SDA

VDD

INT

SCL

LDR

GND

LEDK

LEDA

R807

DNI

R803

R810

100

C848
1u

10n

C849

R811

DNI

TCT0M1A225M8R

C821

2.2u

TP803

EAN62532201

U806

ISA1000A

EXP1

VDP

PWM

GND

MODE

VDD

GAIN

VDN

EXP2

EXP3

I2C3_SCL

I2C3_SDA

I2C1_SCL

I2C1_SDA

SYS_nRESPWRON

I2C4_SDA

I2C4_SCL

PROXI_LDO_EN

AUD_SPK_N

AUD_SPK_P

VIB_L_N

COMPASS_DRDY

SMIC_P

MOTION_INT1

VIB_L_P

PROX_INT

FM_AUDIO_R

CLK32K_AUD

SYS_nIRQ2

PDM_FRAME

PDM_CLK

ABE_CLKS

AUD_CLK_IN

EAR_L

EAR_R

HOOK_ADC

HS_MIC

HS_MICBIAS

EAR_SENSE

VIBE_PWM

VIBE_EN

PDM_DL_DATA

PDM_UL_DATA

AMIC_GND

AUD_PWRON

HS_MIC_GND

MICBIAS

FM_AUDIO_L

AUD_RCV_P

AUD_RCV_N

MMIC_P

SENSOR_LDO_EN

Digital compass

P760_RevD/P768_RevB : C853 Added

Cutoff FEQ : 31.8Hz

QCoin Motor + ERM Mode

revA -> revB : Change 1uF -> 2.2uF

revA -> revB : Change 6.3V -> 10V

AUDIO CODEC (TWL6040)

+ accelerometer sensor

Proxi. Sensor LDO

MOTOR DRIVER

Microphone input

Proxi. Sensor

Main/Sub/HMIC Bias 2.1V

UPLINK

DOWNLINK

Open/ground switch input

P760_RevD/P768_RevB : LDO Change (=Dual LDO of RevA)

revA -> revB Sensor 3.0V DNI

revA -> revB : LDO Changed For CI

P760_RevD/P768_RevB : SENSOR_3.0V Added

P760_RevD/P768_RevB : Delete TP801, TP802

rev1.0 -> rev1.1 : Change for CI, 2.2uF -> 1uF

Summary of Contents for LG-P768

Page 1: ...Internal Use Only Service Manual LG P768 Date October 2012 Issue 0 9 ...

Page 2: ... CheckingTCXO Block 49 4 4 CheckingWCDMA Block 51 4 5 Checking GSM Block 57 4 6 GPS WIFI BT RF components 63 4 7 GPS WIFI BT SIGNAL PATH 65 4 8 Power ONTroubleshooting 67 4 9 ChargerTroubleshooting 71 4 10 USBTrouble shooting 73 4 11 Audio trouble 76 4 12 Camera trouble 8M 0 3M 86 4 13 Main LCD trouble 91 4 14 SIM detectTrouble shooting 94 4 15VibratorTroubleshooting 96 4 16 Compass or Acceleromet...

Page 3: ...er telecommunication service of facilities 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 unti...

Page 4: ...may look slightly different G Interference and Attenuation 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 shou...

Page 5: ...ow Drop Output LDO Liquid Crystal Display LCD Intermediate Frequency IF International Portable User Identity IPUI Global System for Mobile Communications GSM General Purpose Interface Bus GPIB Gaussian Minimum Shift Keying GMSK Flexible Printed Circuit Board FPCB Electrostatic Discharge ESD Electrical Erasable Programmable Read Only Memory EEPROM Digital Signal Processing DSP dB relative to 1 mill...

Page 6: ...rolled Oscillator VCO Universal Asynchronous Receiver Transmitter UART Time Division Multiple Access TDMA Time Division Duplex TDD Travel Adapter TA Side Tone Masking Rating STMR Pseudo SRAM PSRAM Static Random Access Memory SRAM Sending Loudness Rating SLR Subscriber Identity Module SIM Surface Acoustic Wave SAW Real Time Clock RTC Root Mean Square RMS Receiving Loudness Rating RLR Radio Frequenc...

Page 7: ... 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 GSM900 TX 880 915 MHz GSM900 RX 925 960 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz Application Standard 2 3 Main Parts GSM Sol...

Page 8: ... hrs Paging Period 5 2G DRX 7 3G Charging time 3 5 hrs Power Off 2150mAh Talk time 2G Up to 350 min 2G Up to 420 min 3G Up to 420 min Tx Max EGSM Tx Max DCS PCS Tx 12dBm 3G RX sensitivity WCDMA FDD1 106 7dBm WCDMA FDD8 103 7 dBm EGSM 102 dBm GSM850 102 dBm DCS 1800 102 dBm PCS 1900 102 dBm TX output power WCDMA GSM GPRS WCDMA 24dBm 3 84MHz 1 3dBm EGSM 33dBm GSM850 33 dBm DCS 1800 30 dBm PCS 1900 3...

Page 9: ...ure type Sub FPCB type System connector 5 Pin Micro USB 2 0 HS Ear Phone Jack 3 5Phi 4 Pole Stereo PC synchronization Yes Memory AP eMMC 4GB LP DDR2 1GB Speech coding FR EFR HR AMR AMR WB Data Fax Built in Data Fax support Vibrator Built in Vibrator BlueTooth V3 0 HS MIDI for Buzzer Function 72 Poly MP3 Ringtone Music Player MP3 WMA AAC AAC WAV AC3 Video Player MPEG4 H 263 H 264 Full HD 30fps Divx...

Page 10: ...LAND MACEDONIAN NORWEGIAN POLISH PORTUGUESE ROMANIAN SERBIAN SLOVAK SLOVENIAN SPANISH SWEDISH TURKISH ESTONIAN LATVIAN LITHUANIAN RUSSIAN RUSSIAN ISRAEL KOREAN S CHINESE T CHINESE TW BRAZILIAN PORTUGUESE SPANISH MEXICO CANADIAN FRENCH US ENGLISH ENGLISH AUSTRAILIA ENGLISH CANADA ENGLISH IRELAND Quick Access Mode Phone Contacts Messaging Menu PC Sync Yes Speed Dial Yes Voice mail center 1 key Profi...

Page 11: ...amount Fixed Dial Number Yes Service Dial Number No Own Number Yes Read only add edit delete are not supported Voice Memo Yes Support voice recorder Call Reminder No Missed call popup Network Selection Automatic Mute Yes Call Divert Yes Call forwarding Call Barring Yes Call Charge AoC Yes Call costs Call Duration Yes SMS EMS There is no limitation on the number of items It depends on available mem...

Page 12: ... Paper Yes WAP Browser No Android browser Webkit 534 30 Download Melody Wallpaper Yes Over web browser SIM Lock Yes Operator Dependent SIM Toolkit Class 1 2 3 C E MMS Yes EONS Yes CPHS Yes V4 2 ENS Yes Camera Yes 8M AF Digital Zoom x4 JAVA No Android do not support JAVA Voice Dial Yes IrDa No Bluetooth Yes BT 3 0 HS FM radio Yes GPRS Yes Class 33 EDGE Yes Class 33 Hold Retrieve Yes Conference Call...

Page 13: ...s 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 GSM850 EGSM 1800 3000kHz 63dBc 46dBm 3000kHz 6000kHz 65dBc 46dBm 6000kHz 71dBc 46dBm DCS PCS 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 Sensitivit...

Page 14: ...z at 3 84 Mcps 99 of power Adjacent Channel Leakage Power Ratio ACLR 33 dB 5 MHz 43 dB 10 MHz Spurious Emissions f fc 12 5 MHz common 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 BD1 60dBm 3 84MHz RW 791MHz f 821MHz 60dBm 3 84MHz RW 860MHz f 895MHz 60dBm 100kHz RW 921MHz f 925MHz 67dBm 100kHz RW 925MHz f 935MHz...

Page 15: ... f 935 MHz 79 dBm 100 kHz RW 935 MHz f 960 GHz 71 dBm 100 kHz RW 1805 MHz f 1830 MHz 71 dBm 100 kHz RW 1830 MHz f 1880 MHz 60 dBm 3 84MHz RW 2110 MHz f 2170 MHz 60 dBm 3 84MHz RW 2620 MHz f 2640 MHz 60 dBm 3 84MHz RW 2640 MHz f 2690 MHz Transmit Intermodulation 31 dBc 5 MHz 41 dBc 10 MHz when Interference CW Signal Level 40 dBc Error Vector Magnitude 17 5 when Pout 20 dBm Peak Code Domain Error 15...

Page 16: ...EFÎor 14 dB 3 84 MHz Ioac 52 dBm 3 84 MHz 5 MHz Blocking Characteristic BER 0 001 when Îor REFÎor 3 dB 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 REFÎor 3 dB 3 84 MHz Iblocking 44 dBm Intermodulation BER 0 001 when Îor REFÎor 3 dB 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset ...

Page 17: ...5 25 7 20 3dBm 3 84 MHz 3 15 8 25 7 19 8dBm 3 84 MHz 4 15 4 25 7 19 8dBm 3 84 MHz Spectrum Emission Mask Sub Test 1 2 15 2 12 15 3 15 8 4 15 4 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 10 f 7 5 dBc 1 MHz 8 5 12 5 MHz 49dBc 1 MHz Adjacent Channel Leakage Power Ratio ACLR Sub Test 1 2 1...

Page 18: ...m Output Power Sub Test 1 11 15 25 7 17 3dBm 3 84 MHz 2 6 15 25 7 16 8dBm 3 84 MHz 3 15 9 25 7 17 8dBm 3 84 MHz 4 2 15 25 7 16 8dBm 3 84 MHz 5 15 15 25 7 20 3dBm 3 84 MHz Spectrum Emission Mask Sub Test 1 11 15 2 6 15 3 15 9 4 2 15 5 15 15 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 10 ...

Page 19: ...ssions 36 dBm 30 MHz to 47 MHz 54 dBm 47 MHz to 74 MHz 36 dBm 74 MHz to 87 5 MHz 54 dBm 87 5 MHz to 118 MHz 36 dBm 118 MHz to 174 MHz 54 dBm 174 MHz to 230 MHz 36 dBm 230 MHz to 470 MHz 54 dBm 470 MHz to 862 MHz 36 dBm 862 MHz to 1 GHz 30 dBm 1 GHz to 5 15 GHz 30 dBm 5 35 GHz to 5 47 GHz 30 dBm 5 725 GHz to 26 5 GHz Rx Min input Sensitivity PER 10 82dBm 6Mbps 81dBm 9Mbps 79dBm 12Mbps 77dBm 18Mbps ...

Page 20: ...thin 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 Min input Sensitivity 76dBm 1Mbps 2Mbps 5 5Mbps 11Mbps FER 8 Rx Max input Sensitivity 10dBm 1Mbps 2Mbps ...

Page 21: ... 10dB 12Mbps 13dB 18Mbps 16dB 24Mbps 19dB 36Mbps 22dB 48Mbps 25dB 54Mbps 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 Re...

Page 22: ...Mask 20 11MHz offset 9Mhz 11MHz 28 20MHz offset 11MHz 20Mhz 45 30MHz offset 20MHz 30Mhz Transmitter constellation error rms EVM 5dB 6 5Mbps 10dB 13Mbps 13dB 19 5Mbps 16dB 26Mbps 19dB 39Mbps 22dB 52Mbps 25dB 58 5Mbps 28dB 65Mbps Spurious Emissions 2400 MHz 2483 5 MHz CH1 CH13 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz 5150 MHz 5725 MHz CH36 CH165 36 dBm ...

Page 23: ...R 2dB 65Mbps ACR shall be measured by setting the desired signal s strength 3 dB above the rate dependent Sensitivity specified in min input sensitivity 11 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 12 Current consumption Stand by Voice Call VT Bluetooth Off Bluetooth Conne...

Page 24: ... Low Pwr mode NA GSM 450 hours over Paging Period 5 350 min over TX Level Max 14 NFC Not Supported in P768 15 Charging hour 4 hour under 2150mAh battery 850mA TA 16 RSSI indicator Based on Cell power BAR WCDMA GSM DCS PCS 4 87 3dBm 90 3dBm 4 3 87 3dBm 90 3dBm 3 2 95 3dBm 98 3dBm 2 1 103 3dBm 102 3dBm 1 0 109 3dBm 104 3dBm No service 109 dBm By Network Notification 13 Battery life time 14 NFC 15 Ch...

Page 25: ...AR 20 Full 98 over Remain BAR 20 19 98 97 BAR 19 18 93 92 BAR 18 17 88 87 BAR 17 16 83 82 BAR 16 15 78 77 BAR 15 14 73 72 BAR 14 13 68 67 BAR 13 12 63 62 BAR 12 11 58 57 BAR 11 10 53 52 BAR 10 9 48 47 BAR 9 8 43 42 BAR 8 7 38 37 BAR 7 6 33 32 BAR 6 5 28 27 BAR 5 4 23 22 BAR 4 3 18 17 BAR 3 2 13 12 BAR 2 1 8 7 BAR 1 0 3 2 Low Battery Pop up 0 15 popup at 5 15 No call POWER OFF 2 under 17 Battery in...

Page 26: ...2 PERFORMANCE 26 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LG P768 Product SPEC 23 2 7 P768 Figures 2 7 P768 Figures ...

Page 27: ... pattern lock If Gmail isn t set use Factory Reset by pressing the Volume Up key Home key Power key Request for development 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 or delete files on the SD card you...

Page 28: ...vice purposes LGE Internal Use Only No FAQ Q A 3 Q I use it abroad but 3G connection doesn t work A See if Settings Wireless networks More Mobile networks Data Roaming are checked If it is in uncheck condition please check Request for development ex 1 Europe Europe 2 Europe Continents North America Asia etc ...

Page 29: ...ers nearby and radio wave reflection may keep locations from being captured If you check Setting Location serivces GPS satellites and find current location with GPS outdoor you can reduce inaccuracy 5 Q The downloaded application isn t compatible A You need to describe the incompatible status specifically Incompatibility in general seems to result from not having considered the compatibility when ...

Page 30: ... t changed unless the e mail ID and user name is different Choose server address domain and SSL Set receiving interval e mail activating term Security setting following the server setting Confirm IMAP4 POP3 Select among e mail service providers enter e mail address password Check if your account supports IMAP4 or POP3 service Choose receiving server and security type Automatic enter and progress i...

Page 31: ...e 2 Check out the email address and password 3 Check out if your email supports the service IMAP POP3 SMTP 4 For EAS contact the service administrator to see the server info 8 Q Unused application shows up as a using program even though it is all killed What should I do A It s because the apps services are being run in the background For example phone or email app is supposed to let the user know ...

Page 32: ...ed to the AP picture 1 1 If the security type of this AP is on Open it can be automatically connected without entering another password but WiFi can t be used if the unit isn t certified from the AP Connect with another AP 3 Entered information on the PHONE can simply be different from the AP information 1 Check if AP information which is to be connected thus Security type password is precisely en...

Page 33: ... Or you can download and install PC Sync Program through www lge com nation selection phone selection Software download 11 Q How do you install the Phone driver A Download the USB Driver fitting the model from the communication company web site Delete the USB cable and install the USB Driver installation file When the installation is completed connect the USB cable with the PC and use it with the ...

Page 34: ...y works through PC Software selection PC Suite execution for connection mode If it s not automatically connected choose Connect Phone selection USB Cable Connection on the PC Suite main screen Or connection can progress through Connect Phone selection Bluetooth Connection Phone to be connected selection of Bluetooth On Discoverable On PC Suite main screen 14 Q Can language be changed A You can cha...

Page 35: ...ce purposes LGE Internal Use Only No FAQ Q A 15 Q How do you Reset and Factory Reset A Reset can be done as below It can be done through Settings Privacy Factory data reset Factory Reset can be done as below It can be executed by pressing power key with pressing Volume Up key Home key together with Power Off ...

Page 36: ...urposes LGE Internal Use Only No FAQ Q A 16 Q I want to change the bell sound A It can be changed through Settings Sound Phone ringtone 17 Q Is it compatible with other devices A It is basically compatible only with external Bluetooth devices 18 Q How do you use HDMI A P768 does not support HDMI and MHL features ...

Page 37: ...d MHL features 20 Q How do you use Smart Share A Pictures videos and musics can be shared among DLNA certified devices connected to same network by using SmartShare 1 Select SmartShare after pressing Applications 2 Select library that has contents on From My Phone other phones PC etc 3 Select wanted contents through searching library 4 It can be played through selecting player in the player set up...

Page 38: ...ble is checked on Setting Confirm if you approved P768 on other devices set up 2 Even there is a device in the same AP no device is searched on From Confirm if the connected devices support DLNA and check DLNA server function DMS is on Searching may not be smooth if network status is not good 3 File doesn t get played It could be a type of file that the device doesn t support 4 Uploading can t be ...

Page 39: ...f the screen time limit is set to be long 3 After turning on the application and turning it off using the home key invisible applications are still being used on the background so battery consumption becomes faster It is recommended that delete before key is always used to end applications or programs 4 When routing is sued the Super user authority of the Android system area is taken so battery co...

Page 40: ... supposed to keep User Data 25 Q Until when is it guaranteed after purchase What is the warranty limit A Free warranty period is 1 year from the date of purchase Any breakdown or failure caused by external shock may incur repair charge even within the free warranty period 26 Q What kinds of phone accessories are there A You can purchase it from a local LG Electronics service center or on the inter...

Page 41: ...t when you first run the feature so you cannot access the dictionary 29 Q Access to the Play Store is denied or it cannot be found when selecting Yes on the second popup under the Q Translator A That is normal as the item is not officially uploaded on the Google Play Store as of now It will be displayed normally once the item is registered on the Play Store 30 Q Wi Fi is slower than on other phone...

Page 42: ...ould I do to access the Safe Mode A Safe Mode Method Safe Mode Method Safe Mode Method 01 Press Power on Key Volume Down Long Press Volume Down Key When you have see Carrier Logo of LCD Display Safe Mode you can see Safe Mode after Phone Power On Request for development How to access the Safe Mode on each model need be described in detail along with screen captures ...

Page 43: ...r training and service purposes LGE Internal Use Only No FAQ Q A 32 Q What is the Memory Size displayed and provided for end users A Request for development 1 Default available memory on this phone need be specified with an image attached 2 Available memory size for users need be specified ...

Page 44: ...Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 1 RF Component RF component WCDMA GSM Top U105 PAM DCDC U101 RFIC Tranceive U102 Duplexer Bank FL101 Filter ASM U103 PAM MMMB ...

Page 45: ...rved Only for training and service purposes LGE Internal Use Only RF component WCDMA GSM Bottom Reference No Description Reference No Description U101 RFIC Transceiver U104 Transceiver PMU U102 Duplexer Bank U105 PAM DCDC U103 PAM MMMB FL101 Filter ASM U104 Tranceiver PMU ...

Page 46: ... 46 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 2 SIGNAL PATH WCDMA 1 8 BandTX Signal PATH A WCDMA 2100TX PATH B WCDMA 900TX PATH C COMMONTX RX PATH ...

Page 47: ...OOTING 47 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only WCDMA 1 8 Band RX Signal PATH A WCDMA 2100 RX PATH B WCDMA 1900 RX PATH C COMMONTX RX PATH ...

Page 48: ...ht reserved Only for training and service purposes LGE Internal Use Only A GSM Low BandTX PATH B GSM High BandTX PATH C GSM 850 RX PATH D GSM 900 RX PATH E GSM 1800 RX PATH F GSM 1900 RX PATH G COMMONTX RX PATH GSM 850 900 1800 1900 BandTX RX Signal PATH Inner line ...

Page 49: ...for training and service purposes LGE Internal Use Only 4 3 CheckingTCXO Block The output frequency 26MHz of TCXO X101 is used as the reference one of PMB5712 Schematic of the Crystal Part 26MHz 22n C130 X101 EAW61443801 26MHz 1XXA26000FBA 3 2 4 1 VCONT VCC GND OUT C131 10n TP1 TP2 ...

Page 50: ...2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CheckTP1 VCC ofTCXO 1 7V VCC 1 9V Check the PMB5712 No Yes CheckTP2 26 MHz Signal Check soldering and components No Yes TCXO is OK ...

Page 51: ...yright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 4 CheckingWCDMA Block START CheckTCXO Block Check RF Switch M S CheckTX RX Level Re download Cal Change the Board ...

Page 52: ... TROUBLE SHOOTING 52 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Test Point TX Level 4 4 1 Checking RFTX Leve WCDMA l TP4 TP3 TP2 TP1 ...

Page 53: ...7 GND18 ANT_GSM1800 ANT_Band1 ANT_Band2 ANT_Band5 ANT_Band8 GND1 GND2 GND3 GND4 GND5 GND6 Rx_GSM1800_1 Rx_GSM1800_2 Rx_Band1_1 Rx_Band1_2 Rx_Band2_1 Rx_Band2_2 Rx_Band5_1 Rx_Band5_2 Rx_Band8_1 Rx_Band8_2 GND19 GND20 GND21 GND23 GND24 GND25 GND26 GND27 GND28 GND29 GND30 GND31 GND32 GND RX_B1_H2 RX_B2_M2 RX_B5_L2X RX_B8_L1X SPI_DRW SPI_SS SPI_CLK VSPI GSM_HB_TX GSM_HB_TX GSM_LB_TX GSM_LB_TX RX_GSM18...

Page 54: ... reserved Only for training and service purposes LGE Internal Use Only Check Power Level CheckTP1 Over 21dBm RFTx Level is OK Yes No Check PMB5712 CheckTP2 Over 21dBm Check Separator Yes No CheckTP3 Over 21dBm Check Duplexer Yes No CheckTP4 Over 6dBm Check PAM Yes No ...

Page 55: ...4 TROUBLE SHOOTING 55 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 4 2 Checking RF Rx Level WCDMA Test Point RF Rx Level TP2 TP1 ...

Page 56: ..._TX B5_TX GSM_LB_TX B2_TX B1_TX GSM_HB_TX B3_TX HB_RFIN SDI_EN VCC LB_RFIN VSDI NC SDI_GND SDI_CLK SDI_DAT RF_GND VCMOS FB_AM VBATT RF_OUT DNI L135 U102 EAM62530601 B40251GY2045L 49 47 45 43 42 41 40 39 38 37 36 35 34 23 22 21 20 17 16 15 14 19 18 10 8 6 5 4 2 44 46 50 12 48 33 32 31 30 29 28 27 26 25 24 13 11 1 3 7 9 Tx_Band1 Tx_Band2 Tx_Band5 Tx_Band8 GND7 GND8 GND9 GND10 GND11 GND12 GND13 GND14...

Page 57: ...pyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 5 Checking GSM Block START CheckTCXO Block Check RF Switch M S CheckTX RX Level Re download Cal Change the Board ...

Page 59: ...K TRX_2 SPI_DRW TRX_1 GND1 GND6 GND2 TXH GND4 GND3 ANT TXL VSPI TRX_6 GND5 TRX_5 SPI_SS TRX_4 PGND VDD_2V85 L104 DNI DNI L105 L108 DNI 0 75p L109 C136 1 8n DNI L103 2 7n C147 DNI L129 220p C145 DNI L135 U102 EAM62530601 B40251GY2045L 49 47 45 43 42 41 40 39 38 37 36 35 34 23 22 21 20 17 16 15 14 19 18 10 8 6 5 4 2 44 46 50 12 48 33 32 31 30 29 28 27 26 25 24 13 11 1 3 7 9 Tx_Band1 Tx_Band2 Tx_Band...

Page 60: ... for training and service purposes LGE Internal Use Only Chenck Power Level CheckTP1 Over 31 dBm GSM850 EGSM Over 28 dBm DCS PCS RFTX Level is OK Yes No Check PMB5712 CheckTP2 Over 31 dBm GSM850 EGSM Over 28 dBm DCS PCS Check Separator Yes No CheckTP3 Over 12 dBm Check PAM Yes No ...

Page 62: ... B8_TX B5_TX GSM_LB_TX B2_TX B1_TX GSM_HB_TX B3_TX HB_RFIN SDI_EN VCC LB_RFIN VSDI NC SDI_GND SDI_CLK SDI_DAT RF_GND VCMOS FB_AM VBATT RF_OUT DNI L135 U102 EAM62530601 B40251GY2045L 49 47 45 43 42 41 40 39 38 37 36 35 34 23 22 21 20 17 16 15 14 19 18 10 8 6 5 4 2 44 46 50 12 48 33 32 31 30 29 28 27 26 25 24 13 11 1 3 7 9 Tx_Band1 Tx_Band2 Tx_Band5 Tx_Band8 GND7 GND8 GND9 GND10 GND11 GND12 GND13 GN...

Page 63: ...ning and service purposes LGE Internal Use Only 4 6 GPS WIFI BT RF components 4 6 1 GPS Module GPS chip is made by Broadcom and name is BCM47511 Reference No Description Reference No Description FL201 Filter U203 GPS IC U201 GPS LDO X201 GPS TCXO U202 GPS LNA U200 U202 U201 FL200 X200 GPS ...

Page 64: ...erved Only for training and service purposes LGE Internal Use Only 4 6 2 Wifi BT FM Module Reference No Description Reference No Description FL301 Filter U301 2Ghz FEM FL302 Filter Separator U304 5Ghz FEM U302 WIFI BT FM Chip X301 Crystal X301 U302 U304 U301 FL302 FL301 ...

Page 65: ...2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 7 GPS WIFI BT SIGNAL PATH 4 7 1 GPS Signal Path GPS ANT U200 GPS LDO U202 GPS IC U201 GPS LNA FL200 Filter X200 GPS TCXO GPS ANT ...

Page 66: ... Only for training and service purposes LGE Internal Use Only 4 7 2 Wifi BT FM Signal Path WIFI Signal Path WifiTx Signal Path X301 Crystal U302 Wifi BT FM IC U304 5Ghz FEM U301 2Ghz FEM FL301 Filter ANT FL302 Filter X301 Crystal U302 Wifi BT FM IC U304 5Ghz FEM U301 2Ghz FEM ...

Page 67: ...me up to REGEN1 2 V1V8 VMEM 1 35V or 1 2V wrt boot mode SYSTEM V2V1 V2V29 1 2V VCXIO VCORE3 VCORE1 VCORE2 VDDS_1P8 VDDS_DV_xxx 1 8v VDDA_BG_VBB VDD_LDO_SRAM VDDCA_LPDDR2 VDDQ_LPDDR2 VDD_LDO_EMU_WKUP VDDS_1P2 VDDS_DV_xxx 1 2V VDDS_DPLL VDDA_DSI1 2 VDDA_CSI21 2 VDDA_UNI1 VDDA_USB1OTG_1P8V VDDS_1P8_FREF VDD_CORE VDD_DLL0 1_LPDDR21 2 VDD_MPU VDD_IVA_AUDIO Power On Event battery plug power on button re...

Page 68: ...4 TROUBLE SHOOTING 68 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only XMM6260 PMU Power on sequence XMM6260 PMU Power on sequence ...

Page 69: ...ange or charging the Battery No Yes Change the main board Power Key is damaged Check the Power Key No Yes Press PWR Key CheckTP1 high to low Change the Power Key No Yes Is clock OK X701 TP9 32 768Khz Change theTCXO and X tal No Yes VSEL_1 8V TP2 VSEL_VMEM TP3 VSEL_2 1V TP4 VSEL_1 29V TP5 VCORE1_OMAP_MPU TP6 VCORE2_OMAP_IVAUD TP7 VSEL_VCORE3 TP8 up Change the Main board Yes No ...

Page 70: ...for training and service purposes LGE Internal Use Only R907 PWR_ON_SW TP1 Power Key of LGP768 BOTTOM view of LGP768 L704 VSEL_1 8V TP2 L707 VSEL_VMEM TP3 L702 VCORE2_OMAP_IVAUD TP7 L706 VSEL1 29V TP5 L705 VSEL_2 1V TP4 X701 CLOCK TP9 L703 VSEL_VCORE3 TP8 L701 VCORE1 _OMAP_MPU TP6 ...

Page 71: ...to the battery The charger IC maximum charging current is set around 850mA Charging Procedure Connect TA or u USB Cable Control the charging current by MAX8971 IC TA or USB OVP IC MAX14528 Charger IC MAX8971 Charging current flows into the battery Troubleshooting Check Point Connection of TA or USB Cable Charging current path MAX8971 Battery During charging operation test point signal goes low and...

Page 72: ...vice purposes LGE Internal Use Only Check the Connection of uUSB and battery Connection OK No Yes Is the uUSB Cable voltage 4 8V or 5 0V No Yes Is it charging properly After turning on START Change I O connector ChangeTA or u USB cable END Yes No R760 Signal is correct END Yes No Change the Main Board ...

Page 73: ...ce of LGP768USB is USB connected to LGP768 USB_VBUS C716 goes to 5V USB_D go to 3 3V USB_DATA is triggered USB work Block Diagram of USB UART connection is shown below 4 11 USB Trouble shooting The sequence of LGP760USB is USB connected to LGP760 USB_VBUS C716 goes to 5V USB_D go to 3 3V USB_DATA is triggered USB work Block Diagram of USB UART connection is shown below Check MUIC or Charger IC Ins...

Page 74: ...DIO_R MIC DSS _INT SDA CLDO SCL GND ISET 56K R720 DNI R724 1 5K R722 C736 10n VSEL_1 8V VBAT I2C3_SCL I2C3_SDA VCHG USB_DM_OMAP USB_DP_OMAP USB_DP USB_DM USB_ID UART_TX UART_RX MUIC_INT 90ohm matching MICRO USB CONN MUIC 90ohm matching 2mm rev1 0 delete USB_DM DP ID VBUS GND TP 90ohm matching USB USB USB_ID1 USB_VBUS_CON 100K R914 Q902 EBK61572201 LSCR523EBFS8 2 1 3 R911 4 7K VBAT CN903 ENBY004070...

Page 75: ...2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only C719 USB_VBUS _TP1 IC701 MUIC TITSU5611YZPR C719 USB_VBUS _TP1 IC701 MUIC TI TSU5611YZPR Typical USB path USB D TP2 TP2 USB D TP2 ...

Page 76: ...Speaker control signals are generated by OMAP4430 U501 and Power is supplied byTWL6040 U803 Is speaker sound OK TP1 TP2 END Yes No Change the mainboard Change the main ANT module Is speaker sound OK END Yes No Change the RF key PCB Is speaker sound OK END Yes No Change theTWL6040 U803 Is speaker sound OK TP3 TP4 END Yes No START Check the speaker sound and reconnect the main ANT module ...

Page 77: ...CB F PCB Front side view F PCB back side view Impedance at 2kHz Ω 8 0 15 CTQ 4 12 1 Speaker troubleshooting 1 Check The resistance of speaker 2 Check The RF PCB Check the connector To Main board TP1 SPK_P TP2 SPK_N Check the connectorTo Main board 4 12 1 Speaker troubleshooting 1 Check The resistance of speaker 2 Check The RF PCB Check the connector To Main board Connector Connector ...

Page 78: ... service purposes LGE Internal Use Only 3 CheckThe MAIN Board Check the Output signal of Audio Codec below TWL6040 TP3 AUD_SPK_N TP4 AUD_SPK_P 1n C840 C839 1n 120 FB803 A8 A9 B5 B4 B8 B9 A5 A4 HFLP1 HFLN1 HFRP1 HFRN1 HFLP2 HFLN2 HFRP2 HFRN2 FB804 120 AUD_SPK_N AUD_SPK_P TP3 AUD_SPK_N TP4 AUD_SPK_P ...

Page 79: ...iver sound OK TP1 END Yes No Change the mainboard Change receiver ok TP2 END Yes No Change theTWL6040 U803 Is speaker sound OK END Yes No START Check the receiver sound loop back mode And reconnect receiver on main board 4 11 2 Receiver troubleshooting Receiver control signals are generated by OMAP4430 U501 and Power is supplied byTWL6040 U803 ...

Page 80: ...sistance of Receiver 2 Check the output signal of Audio Codec Main PCB Back side view TP2 Item Receiver Rated Power W 0 03 Frequency Range Hz 300 7 0k Sound Pressure Level dB 106 3 100mV Rrsonance Frequency Hz 420 90 Maximum Power W 0 05 Impedance at 2kHz Ω 32 15 CTQ CTQ 1 Check the Resistance of Receiver 2 Check the output signal of Audio Codec TP1 ...

Page 81: ... Main MIC signal is generated by MEMS MIC on RF key PCB Check the MIC hole to make clear the voice signal path Is vioce signal OK END Yes No Change the mainboard Change the RF key PCB And check the voice siganl Is voice signal OK TP1 END Yes No Change theTWL6040 U803 Is the voice siganl OK TP2 END Yes No START Check the MIC signal by loop back test or voice recorder ...

Page 82: ...d service purposes LGE Internal Use Only 1 Check the RF Key FPCB 2 Check the Output Signal of Main PCB F PCB Back side view Main PCB Front side view 1 Check the RF Key FPCB 2 Check the Output Signal of Main PCB Main MIC TP1 TWL6040 C829 output signal of SUB MIC C825 output signal of Main MIC TP2 ...

Page 83: ...C troubleshooting Sub MIC signal is generate by MEMS MIC on Main PCB Check the MIC hole to make clear the voice signal path Is vioce signal OK TP3 END Yes No Change the mainboard Change the sub mic Is voice signal OK END Yes No Change theTWL6040 U803 Is the voice signal OK TP4 END Yes No START Check the MIC signal by loop back test or voice recorder ...

Page 84: ... 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 Check the SUB MIC and MiC s Hole SUB MIC TWL6040 SUB MIC C829 output signal of SUB MIC C825 output signal of Main MIC TP3 TP4 ...

Page 85: ... 5pi headest FPCB BtoB connector or change that FPCB to new one No Yes START Check the left signal and detectionline became short when headset inserted TP1 No END Change the P channel MOCFET Detecting headset insert well Change theTWL6040 Detecting headset insert well No Change the mainboard END Yes END Yes Yes No Check the left signal and detection signal that be shorted when headset inserted als...

Page 86: ... Main 8M AF Camera troublesho 8M camera control signals are generated by OMAP4430 U501 and Power is supplied by LP8720 U1001 Check the camera conn and revonnect thr camera Camera is OK No END Yes START Yes Check the camera signals MCLK TP4 MIPI_CLK TP5 MIPI_DATA TP6 Yes Change the camera Change the main board No Check IOVDD TP1 DVDD TP2 AVDD TP3 Camera is OK END Yes No ...

Page 87: ...2u C1004 2 2u 10u C1001 C1011 1u 1u C1012 C1014 1u C1013 1u 2 2u C1003 2 8V_5M_VANA 1 8V_5M_VIO VBAT VT_1 8V_VDIG VT_2 8V_VANA 2 8V_5M_VCM R1002 100K R1001 10K I2C3_SCL I2C3_SDA CAM_SUBPM_EN revA use DC DC revB SUB PMIC CAM POWER revA revB 10K Added TP3 C1012 1 8V_ANA TP1 C1013 1 8V_VIO C1023 1u C1024 1u VBAT 1 8V_5M_VDIG U1003 EUSY0374201 RP103K121D TR 5 3 2 4 1 VOUT VDD GND CE PGND 1 8V_5M_LDO_E...

Page 88: ...P0521PA_TCT ENBY0034201 CN1001 GB042 24S H10 E3000 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 8V_5M_VCM 2 8V_5M_VANA 1 8V_5M_VIO C1005 10u 0 R1007 I2C3_SCL I2C3_SDA 5M_MIPI_CLK_N 5M_MIPI_CLK_P 5M_MCLK 5M_MIPI_DATA1_N 5M_MIPI_DATA1_P 5M_MIPI_DATA0_N 5M_MIPI_DATA0_P 5M_RESET_N EEPROM_WP For 8M VCM_PD For 8M 1 2V For 8M revA DNI revB 6p EBP61602601 HYNIX 90 degree EPROM WP PIN G...

Page 89: ...001 LP8720TLX EUSY0227205 B1 E1 C2 B2 C1 E2 D3 C3 A1 C4 B3 A3 D4 E3 D2 B4 E4 A2 D1 A4 VBATT VIN2 VIN1 VINB LDO1 FB SW GNDB LDO2 IRQ_N SDA LDO3 SCL DVS EN LDO4 DEFSEL IDSEL LDO5 GND C1002 2 2u C1004 2 2u 10u C1001 C1011 1u 1u C1012 C1014 1u C1013 1u 2 2u C1003 2 8V_5M_VANA 1 8V_5M_VIO VBAT VT_1 8V_VDIG VT_2 8V_VANA 2 8V_5M_VCM R1002 100K R1001 10K I2C3_SCL I2C3_SDA CAM_SUBPM_EN revA use DC DC revB ...

Page 90: ...D7 K4 J13 G15 F15 R9 T9 T8 B10 B8 B5 B6 A6 A5 G4 M8 G7 GND_ANA_B7 GND_DIG_VIO GND_DIG_VRTC CHRG_PGND_B1 CHRG_PGND_B2 CHRG_PGND_B3 CHRG_PGND_B4 VUSIM VANA VAUX1 VAUX2 VAUX3 VCXIO VDAC VMMC VPP VRTC VUSB VBACKUP VMEM_IN_B1 VMEM_IN_B2 VMEM_FDBK VMEM_SW_B1 VMEM_SW_B2 VMEM_GND_B1 VMEM_GND_B2 VPMIC_VDAC VPMIC_VUSB VPMIC_VCXIO TWL_LDO_3 2V VPMIC_VAUX1 VPMIC_OMAP_VPP_CUST VPMIC_VRTC TOUCH_3 0V BACKUP BATT...

Page 91: ...PWR key turn the power On Is the circuit powered Yes END Follow the Power ON trouble shooting No LCD display OK START No Check LCD Power 1 VCC_LCD_2 8V C905 TP1 2 IOVCC_LCD_1 8V C910 TP2 3 LCD BL Boost output LED_A C906 TP3 Check EMI Fiter 1 Damage Check 2 Signal Check TP4 No No No Change the Main board Disconnect and reconnect LCD connector CN900 Change LCD module The LCD works Yes Yes CN900 LCD ...

Page 92: ...MAKER_ID LCD_PWM LCD_RESET_N DSI2_LCD_MIPI_D0_P DSI2_LCD_MIPI_D0_N LED_C2 LED_C1 LCD_VSYNC revA revB Added revA revB Added RevB GND RevC Change foe ESD LED 10EA 2WAY 20mA EA 4 7qHD LCD CONNECTOR MIPI 30 24 PIN PIN MAP Change V3P0_L8_LCD delete VCC_LCD_2 8V C905 TP1 ICVCC_LCD1 8V C910 TP2 EMI Filter TP4 R923 100K 1u 50V C906 LM3533TMX 40 U902 EAN62410501 B4 D2 B2 A1 A2 B3 C2 A4 C1 A3 D1 E4 D3 D4 E3...

Page 93: ...TROUBLE SHOOTING 93 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only LCD BL LED_A C906 TP3 ICVCC_LCD1 8V C910 TP2 VCC_LCD_2 8V C905 TP1 TP4 ...

Page 94: ...o LG P768 2 9V_USIM C1228 goes to 2 9V Triggers SIM clock reset and data Block Diagram of USB UART connection is shown below 4 15 SIM detect Trouble shooting The sequence of detecting LG P760 SIM is SIM inserted to LG P760 2 9V_USIM C1228 goes to 2 9V Triggers SIM clock reset and data Block Diagram of USB UART connection is shown below TP1 TP3 I_O RST CLK USIM USIM_CLKK USIM_RESET USIM_DATA MP EHM...

Page 95: ...1 VCC_VOLTAGE GND1 VCC_RESET GND2 VPP GND3 CLK1 GND4 IO RESERVED1 RESERVED2 R1217 47K 47K R1218 47K R1223 47K R1222 47K R1221 R1219 470K 10p C1229 4 7K R1216 VA1210 ON SEMI 5V 5 4V min 12 9V 1A 150mW 1A R TP 2P 3 0V_MICROSD C1230 100n 10 R1225 VA1211 10 R1226 10 R1224 10 R1227 10 R1228 10 R1229 10 R1230 VA1214 ESD7951ST5G ON SEMI VA1215 VA1216 VA1212 VA1220 MICROSD_DET NFC_SWP 3 0V_MICROSD MICROSD...

Page 96: ...ng menu on the phone If not check Test points shown on the pictures Turn on the phone Is the circuit powered Yes Follow the power on trouble shooting No START CheckTP1 2 3 No Change the main board Change the vibrator Yes Vibration OK Vibrator works END Yes Check haltic feedback on the setting menu No 1 Check the Haptic FeedBack On Menu System settings Sound Vibrate on touch Check On ...

Page 97: ... Use Only 3 Check the Signal ofTP MAIN Board 2 Check the resistance of Motor 4 5 Resistance Ω 17 20 32 20 TP805 TWL_LDO_3 2V 1u C847 0 R807 DNI R803 R810 100K C848 1u 10n C849 R811 DNI EAN62532201 U806 ISA1000A 11 10 5 4 6 3 7 2 8 1 9 EXP1 EN VDP PWM GND MODE VDD GAIN VDN EXP2 EXP3 VIB_L_N VIB_L_P VIBE_PWM VIBE_EN TP1 TP3 TP2 ...

Page 98: ...4 TROUBLE SHOOTING 98 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only TP3 Check PWM signal TP2 Check high TP1 Check 3 0 3 2v ...

Page 99: ...em If the motion sensor IC is damaged it will do not work even thought power is supplied and OMAP4430 controls normally Therefore if the motion sensor is damaged change the motion sensor IC or main board Check the digital cpmpass Accelerometer sensor Function is OK END No No START Check theVSEL_1 8V TP1 C830 No Change the Chip Function is OK Accelerometer woeks END Yes Check Accelerometer test Imp...

Page 100: ...ervice purposes LGE Internal Use Only VSEL_1 8V U801 BOSCH BMC050 EAN62222201 2 5 14 1 13 10 11 6 3 9 8 12 4 16 15 7 GND1 SCK INT1 INT3 GND3 GND2 DRDY PS2 CSB2 SDI SDO VDD INT2 VDDIO CSB1 PS1 0 1u C830 C831 0 1u I2C4_SDA I2C4_SCL COMPASS_DRDY MOTION_INT1 TP1 Compass Accelerometer Sensor U801 TP1 C830 ...

Page 101: ... as below Send Key click Phone number click Call connected Object moved at the sensor Control the screen s on off operation automatically Send Key click Phone number click Call connected START Change the vt_cam fpcb LCD off END Yes Check Sensor_3 0V TP1 I2C3_SDA SCL PROX_INT Output TP2 Output work well No END Yes Change the main board Function is OK END Yes No No Object moved at the Proximity sens...

Page 102: ...K R817 VSEL_1 8V TP806 U800 EAN62006801 APDS 9190 5 4 6 3 7 2 8 1 SDA VDD INT SCL LDR GND LEDK LEDA I2C3_SCL I2C3_SDA PROX_INT P760_RevD P768_RevB C853 Added revA revB Change 1uF 2 2uF Proxi Sensor revA revB Sensor 3 0V DNI P760_RevD P768_RevB SENSOR_3 0V Added rev1 0 rev1 1 Change for CI 2 2uF 1uF SENSOR_3 0V TP1 C852 PROXI_3 0V TP2 C853 SENSOR_3 0V TP1 C852 PROXI_3 0V TP2 C853 ...

Page 103: ...uch trouble Touch control signals are generated by OMAP4430 Those signal s path are OMAP4430 Touch Module Check the touch connector END Touch is OK START No CheckTouch Power 1 VSEL_1 8V R1119 TP1 2 Touch_3 0V C1112 TP2 No No Change the Main board Disconnect Reconnect the touch connector ChangeTouch module The LCD works Yes CN1102 LCD connector ...

Page 104: ... Only ZD1104 ESD9B5_0ST5G R1119 10K VSEL_1 8V 1u C1114 VSEL_1 8V ZD1103 ZD1102 2 2u C1112 10K R1108 VSEL_1 8V CN1102 ENBY0058601 51338 9873 6 5 7 4 8 3 9 2 10 1 G1 G2 G3 G4 R1109 10 I2C2_SCL I2C2_SDA TOUCH_Maker_ID TOUCH_INT_N TOUCH_RESET TOUCH_3 0V Touch Conn 1 0T 1 5T Change Touch Connector R1119 TP1 C1112 TP2 C1112 TP2 R1119 TP1 ...

Page 105: ...ly for training and service purposes LGE Internal Use Only 5 DOWNLOAD This document is draft version so the contents will be updated after registering the final one TOOL INFORMATION TOOLVERSION DLL NAME USB DRIVER Please Check theVersion to B2B H W Name Part No D L Cable ...

Page 107: ...5 DOWNLOAD 107 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download P768 P768 ...

Page 118: ...nc All right reserved Only for training and service purposes LGE Internal Use Only MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download MS695 MS695 LGFlashTool1 3 77 21 LGMS695_20120208_Download LGMS695_20120208 dll LGMS695_20120208 P768 P768 P768 ...

Page 125: ...JTAG 32 768KHz POP 8Gb LPDDR2 8M AF VT VGA 8M CAM Flash eMMC 4GB Battery Charger MUIC I2C 3 AXIS Compass LCD Backlight Driver IC Touch LCD 4 7 4 7 LCD 540x960 PDM I2C1 JTAG JTAG MIPI_HSI I2S2 USB JTAG USIF1 32 768KHz EARO SPK EAR_PIECE RCV MIC1 MIC1 3 5 pi Ear_Jack SPK HS_MIC HSOLR MCLK ASM PWR ON KEY VCHG HiFi PCM Voice McBSP2 PCM I2C4 1Gb NAND 256Mb DDR NAND DDR MCP UART3 USIM1 DigRF Fuel gauge ...

Page 126: ...F20 McSPI4_SIMO SDMMC4_CMD GPIO_152 AF21 McSPI4_SOMI SDMMC4_DAT0 GPIO_153 RESET_PMU_N IFX_PWR_ON_SW IPC_I2S_SYNC IPC_I2S_DOUT IPC_I2S_DIN IPC_I2S_CLK I2S2_RX P1 I2S2_TX P2 I2S2_WA0 R1 AD27 McSPI2_CLK GPIO_110 AD25 McSPI2_SIMO GPIO_112 AD26 McSPI2_SOMI GPIO_111 AC28 McSPI2_CS0 GPIO_113 USIF1_RXD_MRST T2 AF23 McSPI1_CS1 UART1_RX GPIO_138 UART1_TX_IPC UART1_RX_IPC UART_TX_IFX UART_RX_IFX AF19 HSI1_CA...

Page 127: ...se Only I2C1 VBAT PWRON SYS_nRESPWRON VBAT_IN Power on Switch NRESPWRON SYS_NRESPWRON GPIO_WK3 ON1 VBAT REFERENCE CLOCK RST_N MP_MCP MEMORY EBI EBI RESET_PWRDWN_N 3 System Power On Off_U2 EU IFX_PWR_ON_SW RESET_PMU_N GPIO_164 SYS_NRESWARM NRESWARM SYS_nRESWARM eMMC MEMORY RST_N TWL6030 OMAP4430 XMM6260 System Power On Off_P768 ...

Page 128: ...B2 TX_B5 TX_B8 TXL TXH CP_OUT VCMOS FB_AM PA_POW_DET PA_POW_DET PA_PAMP VRAMP PA_RAMP RX_GSM1800_M1X RX_M1X RX_M1 RX_GSM1800_M1 RX_B1_H2X RX_B1_H2 RX_H2X RX_H2 RX_B2_M2X RX_B2_M2 RX_M2X RX_M2 RX_B5_L2X RX_B5_L2 RX_L2X RX_L2 RX_B8_L1X RX_B8_L1 RX_L1X RX_L1 RF_OUT PA_RF PA_RF RESET_N XRESET_N SYS_CLK F13 SYS_CLK_EN F12 REF_CLK_EN E13 SYS_CLK P12 SYSCLKEN U9 K3 REF_CLK_EN DI3_RX_DAT C13 DI3_RX_DATX D...

Page 129: ...SYS_CLK F13 SYS_CLK_EN F12 REF_CLK_EN E13 SYS_CLK P12 SYSCLKEN U9 K3 REF_CLK_EN DI3_RX_DAT C13 DI3_RX_DATX D13 U7 U8 DI3_RX_DAT DI3_RX_DATX DI3_TX_DAT C12 DI3_TX_DATX D12 T7 T8 DI3_TX_DAT DI3_TX_DATX DI3_SYS_CLK DI3_SYS_CLK_EN DI3_REF_CLK_EN DI3_RX_DAT DI3_RX_DATX DI3_TX_DAT DI3_TX_DATX 5 RF Block Diagram Control signal and clocks_U2 EU B3 CLK_ON D4 SPI_CLK B4 SPI_SS C4 SPI_DRW K13 CLK_ON SPI_CLK ...

Page 130: ...261B RFMD Transceiver PMB5712 Infineon B2 VDD_IO VSD2_1 8V K16 VDD_MIPI SD2_FB C2 SD2_SW1 SD2_SW2 A2 A3 FCDP_RB A6 MEM_WAIT_N K17 VDD_IO18 1 6 VDD_MMC L8 E12 VDD_IO VBAT VBAT VBAT VBAT VDD_1 2V D3 C3 LX1 VSNS_1V2 VDD_1 8V D1 C2 LX2 VSNS_1V8 F9 VDD1V2_DIG F3 K9 B1 C2 LX3A VSNS_2V85 VDD_2 85V A9 VDDBAT VDD_2 65V A2 OUT3B B2 C2 VDD_TXRF D2B_OUT_TXRF B12 VBAT_PAM A5 VOUT_FB B1 L_OUTA C1 L_OUTB VSPI VS...

Page 131: ...30 GPIO_0 GPS_PWR_ON 26MHz_GPS_REF GPS_UART_TXD GPS_UART_RXD UART3_RX_IRRX RFIP GPS ANT GPS_ANT_IN LNA ALM 3012 LDO NXP TCXO TCXO TSXO VDD_AUX_IN GPS_26MHz VCC_GPS_2V8 UART_TX UART_RX UART_nRTS UART_nCTS GPS_UART_CTS_N GPS_UART_RTS_N UART3_TX_CTS_RCTX UART3_TX_RTS_SD TWL6030 CLK32K_GATE EN VDDIO VSEL_1 8V VDD_BAT VDD_REF VDD_GPS_TCXO_1 8V VCC_GPS_2V8 VDD_AUX_O SAW FILTER LPO_IN DIPLEXER XMM6260 RF...

Page 132: ...T0_GPIO 147 SDMMC5_DAT1_GPIO 148 SDMMC5_DAT2_GPIO 149 SDMMC5_DAT3_GPIO 150 TWL6030 SDIO_DATA_0 XO_IN XO_OUT WRF_RFIN_2G WRF_XTAL_OP BT_UART_TXD BT_UART_RTS_N BT_UART_CTS_N BT_RST_N SDIO_DATA_1 SDIO_DATA_2 SDIO_DATA_3 WL_REG_ON WLAN_SDIO 1 WLAN_SDIO 2 WLAN_SDIO 3 WL_GPIO_0 GPIO 160 GPIO 23 BT_HOST_WAKEUP BT_WAKEUP BT_GPIO_1 BT_GPIO_0 Diplexer BT_RF_TX WLAN_RF_RX WLAN_RF_TX WRF_RFOUT_2G BT_RF WLAN_S...

Page 133: ...EM_RD_N MEM_WR_N MEM_WAIT_N MEM_ADV_N FWP FCDP_RBn IO 0 15 CE RE WE CLE ALE WP R B USIM CLK RST I_O CC_CLK CC_RST CC_IO MEM_A 0 15 MEM_AD 0 15 MEM_BFCLKO_1 MEM_CKE MEM_CS1_N MEM_CAS_N MEM_BC2_N A 0 15 DQ 0 15 CK CK CKE CS RAS CAS UDQM WED UDQS LDQM LDQS USIM_CLK USIM_RESET USIM_DATA MEM_BC1_N MEM_BC0_N DDR_DQS 1 DDR_DQS 0 MEM_SDCLKO MEM_BC1_N MEM_BC0_N MEM_BC3_N MEM_RAS_N 9 Memory XMM6260 USIM Nan...

Page 134: ...L GPIO98 LED_A LED_C1 DSI2_LCD_MIPI_D1_P DSI2_LCD_MIPI_D1_N DSI2_LCD_MIPI_D0_P DSI2_LCD_MIPI_D0_N DSI2_LCD_MIPI_CLK_P DSI2_LCD_MIPI_CLK_N GPIO_WK30 DSI2_DX1 DSI2_DY1 DSI2_DX0 DSI2_DY0 DSI2_DX2 DSI2_DY2 10 LCD Block Diagram_U2 EU Battery GPIO_103 VCI_LCD_2 8V LDO LD6805K 28P EMI CMF EMI CMF EMI CMF GPIO_158 LCD_MAKER_ID LDO LD6805K 18P GPIO27 LCD_EN IOVCC_LCD_1 8V LCD_PWM LED_C2 OMAP4430 LCD_VSYNC ...

Page 135: ..._CLK_P VT_MIPI_DATA0_N VT_MIPI_DATA0_P EMI CMF FLASH LED GPIO_60 VT 0 3M MCLK PMIC TWL6030 VT_1 8V_CAM_VIO VBAT I2C3_SDA I2C3_SCL I2C3_SCL I2C3_SDA VT_RESET_N VT_2 8V_VANA VT_1 8V_VDIG 2 8V_8M_VANA 2 8V_8M_VCM 1 8V_8M_VIO 8M_MIPI_CLK_N 8M_MIPI_CLK_P 8M_MIPI_DATA0_N 8M_MIPI_DATA0_P 8M_MIPI_DATA1_N 8M_MIPI_DATA1_P 8M MCLK FREF_CLK1_OUT GPIO_181 8M_RESET_N GPIO_24 VBAT I2C2_SDA I2C2_SCL I2C2_SDA I2C2...

Page 136: ...served Only for training and service purposes LGE Internal Use Only Touch Block Diagram_U2 EU Touch Module TWL6030 OMAP4430 TOUCH_3 0V VSEL_1 8V I2C2_SDA I2C2_SCL TOUCH_INT TOUCH_RESET TOUCH_Maker_ID I2C2_SDA I2C2_SCL GPIO 52 GPIO 159 GPIO 14 Touch Block Diagram_P768 ...

Page 137: ...UD_IN AUD_OUT AUD_CLK ABE_McBSP1_CLKX ABE_McBSP1_DR ABE_McBSP1_DX ABE_McBSP1_FSX ABE_McBSP2_CLKX ABE_McBSP2_DR ABE_McBSP2_DX ABE_McBSP2_FSX IPC_PCM_SYNC I2S2_CLK0 I2S2_TX I2S2_RX I2S2_WA0 SPEAKER 1511 FSD 0 5cc Module EARP EARN HFRP1 HFRN1 AUD_SPK_P AUD_SPK_N AUD_RCV_P AUD_RCV_N MMICN MMICP Analog MIC2 SMICN SMICP EAR_SENSE PLUGDET 13 Audio Block Diagram_U2 EU RECEIVER Invisible 1207 2 7T WB 30mW ...

Page 138: ...y Matrix Block Diagram_U2 EU I2C4_SDA I2C4_SCL GPIO_13 I2C4_SCL GPIO_132 VDD VDDIO TWL _LDO_3 0V SENSOR_3 0V PROXI_3 0V PROXI_LDO_EN GPIO_104 PROXI_3 0V IO_VDD VSEL_1 8V TOUCH_3 3V TOUCH_1 8V SENSOR_LDO_EN REGEN1 I2C1_SCL SDA PWR ON KEY PWR_ON_SW VIB_L_P VIB_L_N EN PWM VIBE_PWM GPIO_143 GPIO_143 SENSOR_3 0V LEDA VDD INT1 MOTION_INT1 GPIO_28 SCK COMPASS_DRDY DRDY I2C4_SDA GPIO_133 Sensor LDO U804 T...

Page 139: ..._IPC 1B0 UART1_TX_IPC 2B1 1B1 USB_DPLUS USB_DMINUS USB_D _IFX USB_D _IFX I2S2_CLK0 I2S2_TX I2S2_RX I2S2_WA0 IPC_I2S_CLK IPC_I2S_DOUT IPC_I2S_DIN IPC_I2S_DIN MIPI_HSI_CA_WAKE MIPI_HSI_CA_DATA MIPI_HSI_CA_FLAG MIPI_HSI_AC_READ Y MIPI_HSI_AC_WAKE MIPI_HSI_AC_DATA MIPI_HSI_AC_FLAG MIPI_HSI_CA_READY McSPI2_CLK McSPI2_SOMI McSPI2_SIMO McSPI2_CS0 HSI1_CAWAKE HSI1_CADATA HSI1_CAFLAG HSI1_ACREADY HSI1_ACWA...

Page 140: ... VSD2_1 8V 500mA VPLL_1 2V 30mA VRTC_1 8V 7mA VSIM_2 9V 70mA VPMU VPMU_1 3V 15mA VUSB_ANA_1 8V 40mA VUSB_IO_3 1V 40mA VUSB_PD_1 1V 40mA VIO_1 2V 60mA VDD_CORE VDD_IO18 VDD_PLL VDD_RTC VDD_SIM VDD_USB_ANA VDD_USB_PD VDD_USBIO VDD_IO12 VDD_MMC VBAT 16 Power Block Diagram CP _U2 EU VDD_DIGRF VSIM_2 9V VSIM NAND MCP VSD2_1 8V SD2 VDD_MIPI XMM6260 XMM6260 Fuel gauge MAX17048 VBAT Power Block Diagram CP...

Page 141: ...I_VDAC0 1 Ref CLK VPMIC_VRTC VRTC 25mA Booting Config PU VDDA_DS1 2 VDDA_CSI21 CSI22 VDDA_USBA0OTG_1P8V VDDS_SDMMC1_1 VIO VPMIC_VMMC VMMC 200mA VSEL_VMEM VMEM 600mA POP_VDD2 VDAC VBUS VSEL_1 8V 1200mA VSEL_1 8V 1200mA VPMIC_VDAC 17 Power Block Diagram AP _ 1 2 POP LPDDR VSEL_1 8V 1200mA VDD1 VDD2 VDDCA VDDQ VSEL_VMEM 600mA 1 225V VSEL_1 23V 600mA 1 225V VSEL_1 23V 600mA 1 225V V1V8 VMEM V1V29 V1V2...

Page 142: ...BAT VT_1 8V_VDIG VT_2 8V_VANA 2 8V_5M_VANA DP3T SW FLASH DRIVER VBAT VBAT VBAT LCD Dual LDO IOVCC_LCD_1V8 300mA VCC_LCD_2V8 300mA PMIC TWL6030 PROXI_3 0V 300mA V1V8_SW_B1 3 VSEL_1 8V 1200mA 18 Power Block Diagram AP _U2 EU 2 2 LCD BACKLIGHT VBAT LED_A PROXIMITY BT WIFI GNSS LDO VCC_GPS_2V8 200mA VBAT VBAT 1 8V_5M_VIO 2 8V_5M_VCM LED_C TOUCH LDO VBAT 1 8V_5M_VDIG Power Block Diagram AP _P768 ...

Page 143: ...ining and service purposes LGE Internal Use Only 19 OMAP I2C INTERFACE I2C1 REF_CLK TWL_6030 TWL_6040 I2C2 LCD_BACKLIGHT TOUCH CAM Flash LED 8M_CAM I2C3 VT_CAM VGA CAM_PMIC MUIC Proximity Compass Motion I2C4 Charger IC Fuel Gauge SUB PMIC CAM POWER OMAP4430 U501 OMAP I2C INTERFACE_P768 ...

Page 144: ...n C130 C166 4 7u VSD2_1 8V C156 0 1u 1u C158 2 2u C157 4 7u C164 4 7u C165 DNI C116 1u C167 VDD_2V85 VDD_1V8 C114 DNI VDD_2V65 L123 4 7u L121 4 7u 1u L126 4 7u L119 EUSY0264511 U104 RF6590 B1 D3 C1 C3 C2 B2 A4 C4 A2 D2 D4 D1 A3 B3 A1 B4 SPI_SS VSNS_2V85 CLK_ON AGND LX2 SPI_CLK PGND OUT3B SPI_DRW VANA VDD_IO VSNS_1V8 VSNS_1V2 VPWR LX1 LX3A 10u C171 VBAT C170 220n VBAT_PAM X101 EAW61443801 26MHz 1XX...

Page 145: ...X_IN HOST_REQ LNA_EN REF_CAP SCL2 UART_TX SDA2 UART_RX UART_nRTS UART_nCTS AVSS VSSC1 VSSC2 VSSC3 VDDLNA VDDIF VDDPLL VDD1P2_GRF 1u C201 R200 820 C204 33p DNI C208 10n L201 100n L206 U200 EAN62394801 LD6805K 28P 5 3 2 4 1 OUT IN GND EN PGND L200 2 2n 0 1u C203 X200 EAW61824401 1XXB26000CAC 26MHz 3 2 4 1 GND1 VCC GND2 OUT 1 5n L204 TP203 C202 1u TP204 L208 100p TP200 TP202 C211 10n DNI L202 GND1 C2...

Page 146: ..._2 WRF_GND BT_RFVDD1P2 BT_VDDC_1 BT_VDDC_2 SR_VLX WRF_VDDPA WL_VDDC_1 WL_VDDC_2 WL_VDDC_3 FM_VDDPLL1P2 C316 DNI 4 7p C338 C339 4 7p C343 4 7p C342 4 7p C314 10p C313 10p C312 10p 120 FB304 TP312 TP315 TP317 EAM62251301 LFD182G45DCHD277 FL302 5 4 6 3 7 2 8 1 P1 NC2 GND1 GND3 P2 P3 NC1 GND2 FB303 600 1V2_VDD_BT 1V2_VDD_LN 100n C302 L310 1n C303 10p 3V3_VOUT VSEL_1 8V C327 100n TP304 TP303 TP302 TP30...

Page 147: ...LG MIPI_HSI_RX_RDY MIPI_HSI_RX_WAKE MIPI_HSI_TX_DATA MIPI_HSI_TX_FLG MIPI_HSI_TX_RDY MIPI_HSI_TX_WAKE MEM_A_0 MEM_A_1 MEM_A_2 MEM_A_3 MEM_A_4 MEM_A_5 MEM_A_6 MEM_A_7 MEM_A_8 MEM_A_9 MEM_A_10 MEM_A_11 MEM_A_12 MEM_A_13 MEM_A_14 MEM_A_15 MEM_A_16 MEM_A_17 MEM_A_18 MEM_A_19 MEM_A_20 MEM_A_21 MEM_A_22 MEM_A_23 MEM_AD_0 MEM_AD_1 MEM_AD_2 MEM_AD_3 MEM_AD_4 MEM_AD_5 MEM_AD_6 MEM_AD_7 MEM_AD_8 MEM_AD_9 ME...

Page 148: ...0 HSI1_ACWAKE McBSP4_CLKX GPIO_88 USBB1_ULPIPHY_DAT0 USBB1_MM_RXRCV ATTILA_HW_DBG24 SAFE_MODE USBB1_ULPITLL_DAT1 HSI1_ACDATA McBSP4_DX GPIO_89 USBB1_ULPIPHY_DAT1 USBB1_MM_TXSE0 ATTILA_HW_DBG25 SAFE_MODE USBB1_ULPITLL_DAT2 HSI1_ACFLAG McBSP4_DR GPIO_90 USBB1_ULPIPHY_DAT2 USBB1_MM_TXDAT ATTILA_HW_DBG26 SAFE_MODE USBB1_ULPITLL_DAT3 HSI1_CAREADY GPIO_91 USBB1_ULPIPHY_DAT3 USBB1_MM_TXEN ATTILA_HW_DBG27...

Page 149: ...R2_24 VDDQ_LPDDR2_25 VDDQ_LPDDR2_26 VDDQ_LPDDR2_27 VDDQ_LPDDR2_28 VDDQ_LPDDR2_29 VDDQ_LPDDR2_30 VDDCA_LPDDR2_0 VDDCA_LPDDR2_1 VDDCA_LPDDR2_2 VDDCA_LPDDR2_3 VDDCA_LPDDR2_4 VDDCA_LPDDR2_5 VDDCA_LPDDR2_6 VDDCA_LPDDR2_7 VDDCA_LPDDR2_8 VDDCA_LPDDR2_9 VDDS_DV_BANK0 VDDS_DV_BANK1 VDDS_DV_BANK2_0 VDDS_DV_BANK2_1 VDDS_DV_BANK3 VDDS_DV_BANK4 VDDS_DV_BANK5 VDDS_DV_BANK6 VDDS_DV_C2C_0 VDDS_DV_C2C_1 VDDS_DV_C2...

Page 150: ..._B41 PBKG_B33 PBKG_B32 PBKG_B31 PBKG_B2 PBKG_B13 PBKG_B12 PBKG_B11 SIM MMC TESTEN TESTV MSECURE CTLI2C_SDA CTLI2C_SCL SRI2C_SDA SRI2C_SCL INT NRESPWRON NRESWARM REGEN1 REGEN2 PWRON RPWRON PWM1 PWM2 PWMFORCE SYSEN BOOT3 BOOT2 BOOT1 BOOT0 BATREMOVAL PREQ3 PREQ2C PREQ2B PREQ2A PREQ1 GGAUGE_RESN GGAUGE_RESP GPADC_START GPADC_IN0 GPADC_IN1 GPADC_IN2 GPADC_IN3 GPADC_IN4 GPADC_IN5 GPADC_IN6 GPADC_VREF1 G...

Page 151: ...MR AFML EARP EARN HSL HSR AUXLP AUXLN AUXRP AUXRN HFLP1 HFLN1 HFRP1 HFRN1 HFLP2 HFLN2 HFRP2 HFRN2 VIBLP VIBLN VIBRP VIBRN VDDVREF VDDEAR VDDHS VDDUL VDDDL VDDPLL VDDHFL1 VDDHFL2 VDDHFR1 VDDHFR2 VDDVIBL VDDVIBR VDDAMBIAS VDDDMBIAS VDDVIO VSSEAR VSSHS VSSUL VSSDL VSSPLL VDDV2V1 VDDLDO VSSLDOIN VSSLDO NC1 NC2 NC3 NC4 NC5 NC6 NC7 NC8 NC9 FB804 120 120 FB801 VBAT 220n C805 0 1u C811 C820 1u 0 47u C815 ...

Page 152: ... E2 C3 E1 C4 B1 SCL SW LVLED1 PWM LVLED2 LVLED3 LVLED5 HWEN LVLED4 HVLED2 CPOUT HVLED1 IN INT OVP C C SDA ALS GND 100K R903 VSEL_1 8V 1 5K R901 IOVCC_LCD_1V8 1u C901 VBAT VCC_LCD_2V8 C902 1u 1u C903 VBAT C907 10V 10u ZD906 EDSY0018601 SDS511Q L900 TOKO 10u 1239AS H 100N P2 R902 1 5K GND PWR_ON_SW I2C2_SCL I2C2_SDA KEY_R 0 AUD_SPK_N AUD_SPK_P USB_DP USB_DM FRONT_KEY_LED_EN VIB_L_N DSI2_LCD_MIPI_D1_...

Page 153: ...6 9 17 8 18 7 19 6 20 5 21 4 22 3 23 2 24 1 2 8V_5M_VCM C1021 DNI 2 8V_5M_VANA 1 8V_5M_VIO C1022 7 5p GB042 20S H10 E3000 CN1002 ENBY0039601 11 10 12 9 13 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1 VT_2 8V_VANA C1019 1u R1004 10 VT_1 8V_VDIG 1u C1020 FL1003 ICMEF214P101M SFEY0015901 10 9 8 4 7 3 6 2 5 1 P1 P5 P2 P6 P3 P7 P4 P8 G1 G2 R1001 10K C1005 10u 0 R1007 I2C3_SCL I2C3_SCL I2C3_SCL I2C3_SDA I2C3_SD...

Page 154: ...107 10 R1111 100n C1101 470p C1103 ZD1113 UCLAMP3311T EDTY0012501 ZD1112 1800 FB1102 FB1104 1800 ZD1111 UCLAMP3311T EDTY0012501 ZD1110 C1109 DNI 1u C1114 VSEL_1 8V ZD1103 ZD1102 2 2u C1112 10K R1108 VSEL_1 8V CN1102 ENBY0058601 51338 9873 6 5 7 4 8 3 9 2 10 1 G1 G2 G3 G4 R1109 10 I2C2_SCL I2C2_SDA TOUCH_Maker_ID SMIC_P TOUCH_INT_N EAR_L EAR_R HS_MIC HS_MIC HOOK_ADC HOOK_ADC HS_MICBIAS EAR_SENSE FM...

Page 155: ...D1201 DNI_EDTY0010501 RCLAMP1521P ANT1201 DNI_MCIZ0008601 HJ BCT 03Y 1 RCLAMP1521P DNI_EDTY0010501 ZD1202 DNI C1206 C1215 DNI DNI C1218 DNI C1217 C1219 DNI VA1211 C1220 DNI C1221 DNI 10 R1226 10 R1224 10 R1227 10 R1228 10 R1229 10 R1230 VA1214 ESD7951ST5G ON SEMI VA1215 VA1216 EAH61634001 ESD7951ST5G HJ BCT 03Y DNI_MCIZ0008601 ANT1202 1 C1213 DNI C1222 DNI C1202 DNI C1223 DNI C1214 DNI DNI C1203 D...

Page 156: ... 14 18 13 19 12 20 11 21 10 22 9 23 8 24 7 25 6 26 5 27 4 28 3 29 2 30 1 VCHG VBAT R1300 240 C1310 100p 1 2 LD1300 1 2 R1301 240 C1300 33p VBAT LD1301 1 2 C1305 DNI FB1301 120 VIB_L_N VIB_L_N USB_DP USB_DP USB_DM USB_DM VIB_L_P VIB_L_P LED_C LED_C USB_ID USB_ID KEY_C 1 KEY_C 1 MMIC_P MMIC_P AUD_SPK_P AUD_SPK_P VCHG VCHG AMIC_GND AMIC_GND KEY_R 2 KEY_R 2 AUD_SPK_N AUD_SPK_N MICBIAS MICBIAS Rev E Ad...

Page 157: ...erved Only for training and service purposes LGE Internal Use Only 7 CIRCUIT DIAGRAM KB1501 2 2 2 1 1 CN1500 SIDEKEY_4P 4 3 2 1 KB1502 2 2 2 1 1 SIDE KEY_FPCB VOL UP VOL DOWN KEY_R 0 KEY_C 0 KEY_R 1 KEY_C 1 KEY_R 0 KEY_C 0 Vol Up KEY_R 1 KEY_C 1 Vol Down ...

Page 158: ...Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 7 CIRCUIT DIAGRAM SIDEKEY_2P CN1600 2 1 KB1600 2 2 2 1 1 POWER_KEY_FPCB POWER KEY ON OFF LOCK ...

Page 159: ...A PIN MAP 159 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U101 PMB5712 Transceiver 8 BGA PIN MAP U101 PMB5712 Transceiver Used Not Used ...

Page 160: ...8 BGA PIN MAP 160 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U401 H9DA1GH25HAMMR 4EM U401 H9DA1GH25HAMMR 4EM NC Not Used ...

Page 161: ...61 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U402 XMM6260 Digital Baseband Processor 3G U402 XMM6260 Digital Baseband Processor 3G Used Not Used ...

Page 162: ...MAP 162 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U603 H9TKNNN8KDMPQR NGM 8Gb LPDDR2 PoP No U603 H9TKNNN8KDMPQR NGM 8Gb LPDDR2 PoP Not Used ...

Page 163: ...pyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U501 OMAP4430 IC Application Processor Used Not Used Not Used U501 OMAP4430 IC Application Processor Not Used ...

Page 164: ...8 BGA PIN MAP 164 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U702 TWL6030B107CMR PMIC No U702TWL6030B107CMR PMIC Not Used ...

Page 165: ...opyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U602 SKHynix 4G NAND Flash H26M31003FPR Not Used Used U602 SKHynix 4G NAND Flash H26M31003FPR Not Used Used ...

Page 166: ...8 BGA PIN MAP 166 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only U803 TWL6040 Audio codec N U803 TWL6040 Audio codec Not Used ...

Page 167: ...8 BGA PIN MAP 167 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only IC701 MUIC TSU5611YZPR IC701 MUICTSU5611YZPR Used Not Used ...

Page 168: ...2 Function Duplexer no Service Model name FSA2259UMX U403 Function Analog Switch no CP UART port no AP CP UART port Model name FSUSB63 U704 Function Analog Switch no CP UART port no AP CP UART port Model name XMM6260 U402 Function CP Baseband IC no Service Model name 1XXB26000CAC X200 Function 26MHz TCXO no GPS Model name BCM47511 U202 Function GPS Module no GPS Model name B9469 FL102 Function RX ...

Page 169: ...Booting Model name 1XXB38400FAA X501 Function 38 4MHz VCTCXO no Booting Model name RF6361A FL101 Function ASM no Service Model name SAFEA1G58KA0F00 FL202 Function GPS SAW Filter no GPS Model name NX3215SA X401 Function 32 768KHz Crystal no Service Model name PMB5712 U101 Function RF Transceiver no Service Model name TSU5611YZPR IC701 Function MUIC no USB UART Model name MAX14528 U706 Function OVP ...

Page 170: ...er CN900 no LCD Model name TWL6030 U702 Function PMIC no Booting no Power On S1200 no SIM no T flash memory CN903 no Speaker no USB Charging no Vibration no home key KEY LED CN905 no Volume key Model name RF5501 U301 Function WLAN 2 4G FEM no WiFi BT Model name BCM4430 U302 Function BT WLAN Module no WiFi BT Model name MDFE2PFA 023 U304 Function WLAN 5G FEM no WiFi Model name BMC050 U801 Function ...

Page 171: ...o Booting Model name LM3559TLX U1002 Function DC DC Converter for Flash LED no Flash LEd Model name RP101K302D U705 Function LDO Model name RF6590 U104 Function Transceiver PMU RF Sensitivity TX Power Model name Q22FA1280013000 X301 Function 37 4MHz Crystal no WiFi BT Model name LFD182G45DCHD277 FL302 Function Diplexer no WiFi BT Model name LFB212G45CG7D227 FL301 Function Band Pass Filter no WiFi ...

Page 178: ...version so the contents will be updated after registering the final one CAL INFORMATION S WVERSION 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 RF Cable_Main Power Supply_PIF Power Supply 5 3V Power Supply_Phone Power Supply 5 0V RFTest Equipment E5515C 8960 ...

Page 179: ...10 CALIBRATION 179 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 Tachyon36 LGMS695_20120213_Calibration P768 ...

Page 183: ...ON 183 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 MS695 MS695 MS695 MS695 P768 P768 P768 P768 P768 LGP768 LGP768 LGP768 P768 ...

Page 195: ...195 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MS695 MS695 MS695 MS695 MS695 MS695 MS695 MS695 LG P768 LG P768 LGP768 LGP768 LGP768 LGP768 LGP768 ...

Page 198: ...ed Only for training and service purposes LGE Internal Use Only 11 HIDDEN MENU Hidden Menu Start Start shortcut keys 3845 768 Hidden Menu List Start the desired menu Menu click DeviceTest All AutoTest All Auto Test Partial All Auto Test Result Partial All Auto Test Full ...

Page 199: ...tionality testing at the factory to use 2 All Auto Test Result Above test s results are saved 3 Auto Detecting Item Test 4 Key Press Test 5 Camera Main test 6 Camcorder Test 7 Camera VT Test 6 Display check Test 7 Ring Test 8 Vibrator Test 9 Touch Draw Test 10 Motion Sensor Test 11 GPS BT WIFI Test 12 FM Radio Test 13 LoopBack Test 14 LogService Auto AllTest Result Display Auto All Test result ...

Page 200: ...card Check the SD card Check Ear phone jack Chck Barometer N A Ejected ear jack is normal Key CompassTest Up Down key Check Recognition Menu key Check Recognition Home key Check Recognition Back key Check Recognition End key Check recognition Phone contact with your fingers in the top of the sensor determine the sensor response Far Near Camera Main Test Camera Test 1 Main Camera Preview ...

Page 201: ...ll right reserved Only for training and service purposes LGE Internal Use Only CamcoderTest Camera Test 2 Camcorder Preview Camera VT Test Camera Test 2 VTCamera Preview Display checkTest LCD Black White test Check the Black display Check the White display ...

Page 202: ...ght 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only RingTest Check sound Check the sound Vibrator test A case by state vibration tests Touch window test Write with finger ...

Page 203: ...nly for training and service purposes LGE Internal Use Only AccelerometerTest LCD Black White test Check the accelerometer sensor GPS BT WI FITest Check the GPS scanning Check the GLONASS scanning Check the WIFI scanning Check the BT scanning FM RadioTest Check the FM Radio ...

Page 204: ...l Use Only Audio LoopbackTest Check the Receiver loopback Check the speaker loopback Log Service Log Save SystemLogView RadioLogView SystemLogReset RadioLogReset H W DeviceTest ALC Proximity Test Bluetooth Scan Test Compass Test EMI Test Font Test LCD Test RTC Test Sound Test Touch Test Touch LED Brightness Wifi Scan Test ...

Page 205: ...ll right reserved Only for training and service purposes LGE Internal Use Only ProximityTest Proximity Sensor Phone contact with your fingers in the top of the sensor determine the sensor response Far 0 Near 1023 Bluetooth ScanTest Check the Bluetooth scan ...

Page 206: ...MENU 206 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only CompassTest Check the compass EMITest Check the EMI H pattern FontTest Change native font ...

Page 207: ... following screen Automatic Test Automatically without clicking 2D pattern Test Mura Test leakage of Light uniformity Automatic Test Red Display Green Display Blue Display White Display Red Green Blue White Display Gradation brightness Display RTC test SoundTest List Ring Test Effect Sound Message Tone Loop Back Test AudioPolicyManager Audio CAL Tool Call Loopback Test ...

Page 208: ...or training and service purposes LGE Internal Use Only TouchTest List Multi Touch Test Finger Paint Dot Finger Paint Touch Sensing Key Test Touch Sensing Test Grid Touch Test Touch Key Test Block Touch Test Touch Firmware Version Touch Window Touch LED On Off test Wifi Scan test ...

Page 209: ...service purposes LGE Internal Use Only ELTTest Automatic Mode Test Automatically Manual Mode Test selectivity ELTTest Automatic Mode LCD Automatic on off test time setting ELT ManualTest LCD Backlight Ringtone Vibrator Camera Audio Loopback test on the device is working The ability to use plant ...

Page 210: ...ernal Use Only SW SanityTest FPRI Test CRC Test BIN CRC CAL CRC EFS CRC EFS CRC Detail DB Test DB CRC DB DUMP DB COPY Factory Reset Format External SD card External SD Card Data reset Format Internal SD card Internal SD Card Data reset Factory Rest Changing the Factory Version Info Classified Information representation ...

Page 211: ...ice purposes LGE Internal Use Only ModuleTest list Bluetooth setting SMS Prefer set LCD Always ON Hidden Reset USB mode selection Reboot CP AP Stability Test Charging Test FOTA Test Crash Handling SMPL Setting SMPL count Wakelock Monitoring Setting RIL Recovery HIS Log Enable WLAN performance on SW ...

Page 216: ...11 HIDDEN MENU 216 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only SMSTest Automatic Memfull Test CallTest StreamingTest ...

Page 217: ...11 HIDDEN MENU 217 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only MMSTest Change network mode Change connectivity mode ...

Page 218: ...11 HIDDEN MENU 218 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Set preferred networks For monkey cage test FM Radio test ...

Page 219: ...11 HIDDEN MENU 219 Copyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only SyncML test Connectivity test TouchArea Setting ...

Page 222: ...t 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 12 DISASSEMBLE GUIDE 1 Disassemble Battery Cover Rear 1 Remove Battery Cover Assy 2 Remove 10 SCREWs From Rear 3 Remove Rear Assy ...

Page 223: ...12 DISASSEMBLE GUIDE 223 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 Disassemble SPK Module Remove SPK Module from Rear ...

Page 224: ...224 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Disassemble PCB 1 Remove FPCB CONNECTOR 6EA and COAXIAL CABLE CONNETOR from PCB 2 Remove PCB From Frame ...

Page 225: ...ht 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 Disassemble Lower FPCB Rubber Screw 1 Remove 4 SCREWs From Frame 2 Remove 3 Rubber From Frame 3 Remove Lower FPCB From Frame ...

Page 226: ...12 DISASSEMBLE GUIDE 226 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Disassemble Frame 1 10Point Hook Loosen ...

Page 227: ...12 DISASSEMBLE GUIDE 227 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Disassemble LCD 2 Remove LCD From Frame ...

Page 228: ...EMBLE GUIDE 228 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 Disassemble Home Key Remove Home Key From Front Remove Touch Window From Front ...

Page 229: ...12 DISASSEMBLE GUIDE 229 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 7 Disassemble Frame Mold Remove Frame Mold from Frame MG ...

Page 231: ...opyright 2012 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 13 EXPLODED VIEW REPLACEMENT PART LIST This document is draft version so the contents will be updated after registering the final one ...

Search results

Summary of Contents for LG-P768

Reviews:

Related manuals for LG-P768

Brands by name

Popular brands

LG LG-P768, Service Manual

Search results

Summary of Contents for LG-P768

Reviews:

Related manuals for LG-P768

Brands by name

Popular brands