LG P769 Service Manual

Internal Use Only

Service Manual

LG-P769

Date: October, 2012 / Issue 1.0

Table Of Contents

1. INTRODUCTION ..................................................................... 3

1.1 Purpose ........................................................................................................3

1.2 Regulatory Information .........................................................................3

2. PERFORMANCE ...................................................................... 5

2.1 Product Name ............................................................................................5

2.2 Supporting Standard ..............................................................................5

2.3 Main Parts : GSM Solution .....................................................................5

2.4 HW Features ...............................................................................................6

2.5 SW Features ................................................................................................8

2.6 HW SPEC. ................................................................................................. 11

2.7 P769 Figures ............................................................................................ 21

3.CIC AND SERVICE CENTER ................................................... 22

3.1 CIC FAQ ...................................................................................................... 22

4. TROUBLE SHOOTING .......................................................... 39

4.1 RF Component ....................................................................................... 39

4.2 SIGNAL PATH ........................................................................................... 40

4.3 Checking TCXO Block ........................................................................... 43

4.4 Checking WCDMA Block ....................................................................45

4.5 Checking GSM Block ............................................................................ 52

4.6. GNSS/WIFI/BT RF components ....................................................... 59

4.7 GNSS/WIFI/BT Signal Path.................................................................. 61

4.8 Power ON Troubleshooting ...............................................................63

4.9 Charger Troubleshooting ................................................................... 69

4.10 USB Trouble shooting ....................................................................... 71

4.11 Audio troubleshooting ..................................................................... 73

4.12 Camera trouble (5M/0.3M) .............................................................. 83

4.13 Main LCD trouble ................................................................................ 89

4.14 SIM detect Trouble shooting .......................................................... 92

4.15 Vibrator Troubleshooting ................................................................ 94

4.16 Motion Sensor on/o trouble ........................................................ 97

4.17 Proximity Sensor on/o trouble ...................................................99

4.18 Touch trouble .....................................................................................101

5. DOWNLOAD .......................................................................103

6. BLOCK DIAGRAM ...............................................................123

7. CIRCUIT DIAGRAM ............................................................143

8. BGA PIN MAP ....................................................................157

9. PCB LAYOUT .......................................................................164

10. CALIBRATION ...................................................................166

11. HIDDEN MENU .................................................................186

12. DISASSEMBLE GUIDE ......................................................209

13. EXPLODED VIEW & REPLACEMENT PART LIST .............220

13.1 EXPLODED VIEW ................................................................................220

13.2 Replacement Parts ...........................................................................223

13.3 Accessory .............................................................................................259

LGE Internal Use Only

- 2 -

Only for training and service purposes

1.1 Purpose

1. INTRODUCTION

This manual provides the information necessary to repair, calibration, description and download the features of

this model.

1.2 Regulatory Information

A. Security

Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons

other than your company’s employees, agents, subcontractors, or person working on your company’s behalf)

can result in substantial additional charges for your telecommunications services.

1. INTRODUCTION

System users are responsible for the security of own system. There are may be risks of toll fraud associated with

your telecommunications system. System users are responsible for programming and configuring the

equipment to prevent unauthorized use. The manufacturer does not warrant that this product is immune from

the above case but will prevent unauthorized use of common carrier 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 until repair can

be done. A telephone company may temporarily disconnect service as long as repair is not done.

C. Changes in Service

A local telephone company may make changes in its communications facilities or procedure. If these changes

could reasonably be expected to affect the use of the phones or compatibility with the net work, the telephone

company is required to give advanced written notice to the user, allowing the user to take appropriate steps to

maintain telephone service.

D. Maintenance Limitations

Maintenance limitations on the phones must be performed only by the manufacturer or its authorized agent.

The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note

that unauthorized alternations or repair may affect the regulatory status of the system and may void any

remaining warranty.

LGE Internal Use Only

- 3 -

Only for training and service purposes

E. Notice of Radiated Emissions

This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory

agencies. In accordance with these agencies, you may be required to provide information such as the following

to the end user.

F. Pictures

The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different.

G. Interference and Attenuation

A phone may interfere with sensitive laboratory equipment, medical equipment, etc. Interference from

unsuppressed engines or electric motors may cause problems.

H. Electrostatic Sensitive Devices

1. INTRODUCTION

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 exchange system boards. • When

repairs are made to a system board, they should spread the floor with anti-static mat which is also grounded.

• Use a suitable, grounded soldering iron. • Keep sensitive parts in these protective packages until these are used.

• When returning system boards or parts like EEPROM to the factory, use the protective package as described.

LGE Internal Use Only

- 4 -

Only for training and service purposes

2.1 Product Name

P769 : WCDMA850/1700/1900/2100+EGSM/GSM850/DCS/PCS

(HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12)

2.2 Supporting Standard

2. PERFORMANCE

2.1 Product Name

P769 : WCDMA850/1700/1900/2100+EGSM/GSM850/DCS/PCS

(HSUPA 5.76Mbps(cat6)/HSDPA 21Mbps(cat14)/GPRS Class12/EDGE Class12)

2. PERFORMANCE

2.2 Supporting Standard

Item Feature Comment

Supporting Standard WCDMA(FDD1,2,4,5)/EGSM/GSM850/DCS1800/

Frequency Range WCDMA(FDD1) TX : 1920 – 1980 MHz

PCS1900 with seamless handover

Phase 2+(include AMR)

SIM Toolkit : Class 1, 2, 3, C-E

WCDMA(FDD1) RX : 2110 – 2170 MHz

WCDMA(FDD2) TX : 1850 – 1910 MHz

WCDMA(FDD2) RX : 1930 – 1990 MHz

WCDMA(FDD4) TX : 1710 – 1755 MHz

WCDMA(FDD4) RX : 2110 – 2155 MHz

WCDMA(FDD5) TX : 824 – 849 MHz

WCDMA(FDD5) RX : 869 – 894 MHz

EGSM TX : 880 – 915 MHz

EGSM RX : 925 – 960 MHz

GSM850 TX : 824 – 849 MHz

GSM850 RX : 869 – 894 MHz

DCS1800 TX : 1710 – 1785 MHz

DCS1800 RX : 1805 – 1880 MHz

PCS1900 TX : 1850 – 1910 MHz

PCS1900 RX : 1930 – 1990 MHz

Application Standard

2.3 Main Parts : GSM Solution

Item Part Name Comment

BB Chip XMM6260(IMC), OMAP4430(TI) WCDMA/GSM

RFIC Chip PMB5712A2 (IMC) WCDMA/GSM

LGE Internal Use Only

- 5 -

Only for training and service purposes

2.4 HW Features

Item Feature Comment

Standard Battery

Extended Battery No Extended Battery

AVG TCVR Current Min: TBD mA(Pwr Level 19), Max: 350mA(Pwr Level 5)

Li-ion, 2150 mAh (Typ.)

Size: 51.08x54.7x5.4 [mm] Cell

Weight: < 42.0 g

2. PERFORMANCE

Standby Current

< GSM: 3.3mA (paging period 9)

< W-CDMA: 4.5 mA (1.28 DRX)

GSM Min : 160 mins

Talk time

W-CDMA Min : 160 mins

Standby time > GSM: 280 hrs , W-CDMA: 200 hrs

Charging time < 3 hours

WCDMA(FDD1) : -106.7 dBm

WCDMA(FDD2) : -104.7 dBm

WCDMA(FDD4) : -106.7 dBm

WCDMA(FDD5) : -104.7 dBm

RX Sensitivity

EGSM : -102 dBm

GSM850 : -102 dBm

DCS 1800 : -102 dBm

PCS 1900 : -102 dBm

WCDMA(FDD1) : 23 dBm

WCDMA(FDD2) : 24 dBm

TX output power

GPRS compatibility

SIM card type Plug-In SIM 1.8V/3V

Display Main : 4.5" 262K 540x960 TFT (QHD)

LGE Internal Use Only

WCDMA(FDD4) : 24 dBm

WCDMA(FDD5) : 23 dBm

EGSM : 32.5 dBm

GSM850 : 32.5 dBm

DCS 1800 : 29 dBm

PCS 1900 : 30.7 dBm

Class 12

- 6 -

Only for training and service purposes

2. PERFORMANCE

Status Indicator & KeyPad

Key Pad :

Power key, Volume Key

ANT internal Type

EAR Phone Jack 3.5pi Ear-Mic connector(4pole)

PC Synchronization Yes

Speech coding FR, HR, EFR, AMR WB

Data and Fax Yes

Vibrator Yes

Speaker Yes

Voice Recoding Yes

C-Mic Yes

Receiver Yes

Travel Adapter Yes

Options Bluetooth Headset

LGE Internal Use Only

- 7 -

Only for training and service purposes

2.5 SW Features

Item Feature Comment

2. PERFORMANCE

Time / Date Display Yes

Quick Access Mode

RSSI 0 ~ 4 Levels

Battery Charging 0 ~ 4 Levels Android 4.0 ICS

Key Volume 0 ~ 7 Level

Audio Volume 1 ~ 15 Level

Multi-Language Yes

PC Sync Yes

Speed Dial Yes Voice mail center -> 1 key

Profile Yes not same with feature phone setting

CLIP / CLIR Yes

Phone Book

English/French/German/Spanish/Italia

n/Danish/Dutch/Korean

Phone / Contacts / Messaging / Menu

Name / Number / Email / Chat Id/

Website/Postal

addresses/Organizations/Groups/

BirthdayNotes / Ringtone

There is no limitation on the number

of items.

It depends on

available memory amount.

Last Dial Numbers, Last Received

Last Dial Number Yes

Last Received

Yes

Number

Last Missed Number Yes

Search by Number

Name / Number

/ Name

Group Yes

Fixed Dial Number Yes

Service Dial Number No

Numbers and Last Missed Numbers

can store up to a total of 500.

Last Dial Numbers, Last Received

Numbers and Last Missed Numbers

can store up to a total of 500.

Last Dial Numbers, Last Received

Numbers and Last Missed Numbers

can store up to a total of 500.

There is no limitation on the number

of items. It depends on

available memory amount.

LGE Internal Use Only

- 8 -

Only for training and service purposes

2. PERFORMANCE

Read only

Own Number Yes

(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

There is no limitation on the

number of items. It depends on

SMS (EMS)

EMS does not support.

available memory

amount.

SMS Over GPRS No

EMS Melody / Picture No

Send / Receive / Save No

MMS MPEG4

Yes

Send / Receive / Save

Long Message MAX 459 characters SMS 3pages

Cell Broadcast Yes

Download Over the Web

Game Yes

Calendar Yes

There is no limitation on the number

of items.

Memo Yes

It depends on available memory

amount.

World Clock No

Unit Convert No

Stop Watch No

Wall Paper Yes

LGE Internal Use Only

- 9 -

Only for training and service purposes

2. PERFORMANCE

Support only web browser based on

WAP Browser No

webkit. WAP stack and wml are not

supported.

Download Melody /

Yes Over web browser

Wallpaper

SIM Lock Yes Operator Dependent

SIM Toolkit Class 1, 2, 3, C

MMS Yes Google MMS Client

EONS Yes

CPHS Yes V4.2

ENS No

5M AF /

Camera Yes

Digital Zoom : x4

CLDC V1.1 / MIDP V2.1

JAVA Yes

Download Over Web

Voice Dial No

IrDa No

Ver. 3.0

Bluetooth Yes

(HSP,HFP,A2DP,AVRCP)

FM radio Yes

GPRS Yes Class 12

EDGE Yes Class 12

Hold / Retrieve Yes

Conference Call Yes Max. 6

DTMF Yes

Memo pad No

TTY No

AMR Yes

SyncML Yes

IM Yes

Email Yes

LGE Internal Use Only

- 10 -

Only for training and service purposes

2.6 HW SPEC.

1) GSM transceiver specification

2.6 HW SPEC.

1) GSM transceiver specication

Item Specification

2. PERFORMANCE

Phase Error

Frequency Error

EMC(Radiated Spurious Emission

Disturbance)

Transmitter Output power and Burst

Timing

Burst Timing <3.69us

Spectrum due to modulation out to

less than 1800kHz offset

Spectrum due to modulation out to

larger than 1800kHz offset to the

edge of the transmit band

Rms : 5°

Peak : 20 °

GSM850/EGSM : 0.1 ppm

DCS/PCS : 0.1 ppm

GSM850/EGSM/DCS/PCS : < -28dBm

GSM850/EGSM : 5dBm ~ 33dBm ± 3dB

DCS/PCS : 0dBm ~ 30dBm ± 3dB

200kHz : -36dBm

600kHz : -51dBm/-56dBm

GSM850/EGSM :

1800-3000kHz :< -63dBc(-46dBm)

3000kHz-6000kHz : <-65dBc(-46dBm)

6000kHz < : < -71dBc(-46dBm)

PCS/DCS :

1800-3000kHz :< -65dBc(-51dBm)

6000kHz < : < -73dBc(-51dBm)

Spectrum due to switching transient

Reference Sensitivity – TCH/FS Class II(RBER) : -102dBm(2.439%)

Usable receiver input level range 0.012(-15 ~ -40dBm)

Intermodulation rejection – Speech

channels

AM Suppression

- GSM : -31dBm

- DCS : -29dBm

Timing Advance ± 0.5T

LGE Internal Use Only

400kHz : -19dBm/-22dBm(5/0), -23dBm

600kHz : -21dBm/-24dBm(5/0), -26dBm

± 800kHz, ± 1600kHz

: -98dBm/-96dBm (2.439%)

-98dBm/-96dBm (2.439%)

- 11 -

Only for training and service purposes

2) WCDMA transmitter specification

2) WCDMA transmitter specication

Item Specification

Transmit Frequency

Maximum Output Power +24 dBm / 3.84 MHz, +1 / -3 dB

Frequency Error within ±0.1 PPM

Open Loop Power Control

2. PERFORMANCE

BD1: 1920 MHz ~ 1980 MHz

BD2: 1850 MHz ~ 1910 MHz

BD4: 1710 MHz ~ 1755 MHz

BD5: 824 MHz ~ 849 MHz

Normal Conditions : within ±9 dB,

Extreme Conditions : within ±12 dB

Minimum Transmit Power < -50 dBm /3.84 MHz

Occupied Bandwidth < 5 MHz at 3.84 Mcps (99% of power)

Adjacent Channel Leakage

Power Ratio (ACLR)

< -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

Spurious Emissions

< -60 dBm / 3.84 MHz RW @ 1930 MHz ≤ f ≤ 1900 MHz

|f-fc| > 12.5 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 @ 935 MHz < f ≤ 960 GHz

< -71 dBm / 100 kHz RW @ 1805 MHz ≤ f ≤ 1880 MHz

> 33 dB @ ±5 MHz,

> 43 dB @ ±10 MHz

Transmit Intermodulation

Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm

Peak Code Domain Error

LGE Internal Use Only

< -41 dBm / 300 kHz RW @ 1884.5 MHz < f < 1919.6 MHz

< -31 dBc @ 5 MHz & < -41 dBc @ 10 MHz

when Interference CW Signal Level = -40 dBc

< -15 dB at Pout ≥ -20 dBm

- 12 -

Only for training and service purposes

3) WCDMA receiver specification

3) WCDMA receiver specication

Item Specification

2. PERFORMANCE

BD1: 2110 MHz ~2170 MHz

Receive Frequency

Reference Sensitivity Level

Maximum Input Level BER < 0.001 when Îor = -25 dBm / 3.84 MHz

Adjacent Channel Selectivity

(ACS)

Blocking Characteristic

Spurious Response

BD2: 1930 MHz~1990 MHz

BD4: 2110 MHz~2155 MHz

BD5: 869 MHz ~ 894 MHz

Band1 : BER < 0.001 when Îor = -106.7 dBm / 3.84 MHz

Band2 : BER < 0.001 when Îor = -104.7 dBm / 3.84 MHz

Band4 : BER < 0.001 when Îor = -106.7 dBm / 3.84 MHz

Band5 : BER < 0.001 when Îor = -104.7 dBm / 3.84 MHz

ACS > 33 dB where BER < 0.001 when

Îor = -92.7 dBm / 3.84 MHz

& Ioac = –52 dBm / 3.84 MHz @ ±5 MHz

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

BER < 0.001 when Îor = -103.7 dBm / 3.84 MHz

& Iblocking = -44 dBm

Intermodulation

Spurious Emissions

Inner Loop Power Control

In Uplink

LGE Internal Use Only

BER < 0.001 when Îor= -103.7 dBm / 3.84 MHz

& Iouw1 = -46 dBm @ Fuw1(offset) = ±10 MHz

& Iouw2 = -46 dBm / 3.84 MHz @ Fuw2(offset) = ±20 MHz

< -57 dBm / 100 kHz BW @ 9 kHz ≤ f < 1 GHz

< -47 dBm / 1 MHz BW @ 1 GHz ≤ f ≤ 12.75 GHz

Adjust output(TPC command)

cmd 1dB 2dB 3dB

+1 +0.5/1.5 +1/3 +1.5/4

0 -0.5/+0.5 -0.5/+0.5 -0.5/+0.5

-1 -0.5/-1.5 -1/-3 -1.5/-4

group(10equal command group)

+1 +8/+12 +16/+24

- 13 -

Only for training and service purposes

4) HSDPA transmitter specification

Power step

△

4) HSDPA transmitter specication

Item Specification

2. PERFORMANCE

BD1: 1920 MHz ~ 1980 MHz

Transmit Frequency

Maximum Output Power

HS-DPCCH

Sub-test

in table

C.10.1.4

5

BD2: 1850 MHz ~ 1910 MHz

BD4: 1710 MHz ~ 1755 MHz

BD5: 824 MHz ~ 849 MHz

Sub-Test

1=2/15, 25.7~20.3dBm / 3.84 MHz

2=12/15 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

Power

step

Power step slot

boundary

size, P [dB]

Transmitter power step

tolerance [dB]

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

Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

Frequency offset

Minimum requirement

Spectrum Emission Mask

from carrier

2.5 ~ 3.5 MHz -35-15×(△f-2.5)dBc 30 kHz

f

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

Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

Adjacent Channel Leakage

> 33 dB @ ±5 MHz

Power Ratio (ACLR)

> 43 dB @ ±10 MHz

Error Vector Magnitude < 17.5 %, when Pout ≥ -20 dBm

LGE Internal Use Only

- 14 -

Measurement

Bandwidth

Only for training and service purposes

5) HSDPA receiver specification

5) HSDPA receiver specication

Item Specification

2. PERFORMANCE

Receive Frequency

Maximum Input Level

(BLER or R), 16QAM Only

6) WLAN 802.11a transceiver specication

6) WLAN 802.11a transceiver specification

Item Specification

Transmit Frequency 5150 MHz ~ 5825 MHz ( CH36~CH165 )

Tx Power Level

Frequency Tolerance within ±20 PPM

Chip clock Frequency

Tolerance

Band1 : 2110 MHz ~ 2170 MHz

Band2 : 1930 MHz ~ 1990 MHz

Band4 : 2110 MHz ~ 2155 MHz

Band5 : 869 MHz ~ 894 MHz

Sub-Test : 1=1/15, 2=12/15, 3=13/15, 4=15/8, 5=15/7, 6=15/0

BLER < 10% or R >= 700kbps

≤ 23dBm(5150 ~ 5350 MHz), ≤ 30dBm(5470 ~ 5725 MHz)

≤ 36dBm(5725 ~ 5825 MHz)

within ±20 PPM

Spectrum Mask

Transmitter constellation

error

(rms EVM)

Spurious Emissions

≤ -20 @ ±11MHz offset (9Mhz ~ 11MHz)

≤ -28 @ ±20MHz offset (11MHz ~ 20Mhz)

≤ -40 @ ±30MHz offset (20MHz ~ 30Mhz)

≤ -5dB@6Mbps, ≤ -8dB@9Mbps, ≤ -10dB@12Mbps,

≤ -13dB@18Mbps, ≤ -16dB@24Mbps, ≤ -19dB@36Mbps,

≤ -22dB@48Mbps, ≤ -25dB@54Mbps

< -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

LGE Internal Use Only

- 15 -

Only for training and service purposes

< -30 dBm @ 5.35 GHz to 5.47 GHz

< -30 dBm @ 5.725 GHz to 26.5 GHz

PER ≤ 10%

2. PERFORMANCE

Rx Min input Sensitivity

-82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps

-77dBm@18Mbps, -74dBm@24Mbps, -70dBm@36Mbps

-66dBm@48Mbps, -65dBm@54Mbps

Rx Max input Sensitivity ≥ -30dBm(6,9,12,18,24,36,48,54Mbps) @ PER ≤ 10%

PER ≤ 10%,

ACR ≥ 16dB@6Mbps, ACR ≥ 15dB@9Mbps,

ACR ≥ 13dB@12Mbps, ACR ≥ 11dB@18Mbps,

Rx Adjacent Channel

Rejection

ACR ≥ 8dB@24Mbps, ACR ≥ 4dB@36Mbps

ACR ≥ 0dB@48Mbps, ACR ≥ -1dB@54Mbps

※ACR shall be measured by setting the desired signal's strength 3 dB

above the rate-dependent

sensitivity specified in min input sensitivity

LGE Internal Use Only

- 16 -

Only for training and service purposes

7) WLAN 802.11b transceiver specification

7) WLAN 802.11b transceiver specication

Item Specification

Transmit Frequency 2400 MHz ~ 2483.5 MHz ( CH1~CH11 )

2. PERFORMANCE

Tx Power Level ≤ 20dBm under (Europe), ≤ 30dBm under (USA)

Frequency Tolerance within ±25 PPM

Chip clock Frequency

Tolerance

≤ -30 @ fc-22MHz< f <fc-11MHz and fc+11MHz< f <fc+22MHz

Spectrum Mask

Power ramp on/off time ≤ 2us

Carrier Suppression ≤ -15dB

Modulation Accuracy

(Peak EVM)

Spurious Emissions

Rx Min input Sensitivity ≤ -76dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8%

within ±25 PPM

≤ -50 @ f < fc-22MHz and f > fc+22MHz

≤ 35%

< -36 dBm @ 30MHz ~ 1GHz

< -30 dBm above @ 1GHz ~ 12.75GHz

< -47 dBm @ 1.8GHz ~ 1.9GHz

< -47 dBm @ 5.15GHz ~ 5.3GHz

Rx Max input Sensitivity ≥ -10dBm(1Mbps,2Mbps,5.5Mbps,11Mbps) @ FER ≤ 8%

Rx Adjacent Channel

Rejection

interference input signal -70dBm@fc±25MHz(11Mbps)

≥ 35dB @FER ≤ 8%,

LGE Internal Use Only

- 17 -

Only for training and service purposes

8) WLAN 802.11g transceiver specification

8) WLAN 802.11g transceiver specication

Item Specification

Transmit Frequency 2400 MHz ~ 2483.5 MHz ( CH1~CH11 )

2. PERFORMANCE

Tx Power Level ≤ 20dBm under (Europe), ≤ 30dBm under (USA)

Frequency Tolerance within ±25 PPM

Chip clock Frequency

Tolerance

Spectrum Mask

Transmitter constellation

error

(rms EVM)

Spurious Emissions

within ±25 PPM

≤ -20 @ ±11MHz offset (9Mhz ~ 11MHz)

≤ -28 @ ±20MHz offset (11MHz ~ 20Mhz)

≤ -40 @ ±30MHz offset (20MHz ~ 30Mhz)

≤ -5dB

< -36 dBm @ 30MHz ~ 1GHz

< -30 dBm above @ 1GHz ~ 12.75GHz

< -47 dBm @ 1.8GHz ~ 1.9GHz

< -47 dBm @ 5.15GHz ~ 5.3GHz

PER ≤ 10%

-82dBm@6Mbps, -81dBm@9Mbps, -79dBm@12Mbps

Rx Min input Sensitivity

-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%

PER ≤ 10%,

ACR ≥ 16dB@6Mbps, ACR ≥ 15dB@9Mbps,

ACR ≥ 13dB@12Mbps, ACR ≥ 11dB@18Mbps,

Rx Adjacent Channel

Rejection

※ACR shall be measured by setting the desired signal's strength 3 dB

LGE Internal Use Only

ACR ≥ 8dB@24Mbps, ACR ≥ 4dB@36Mbps

ACR ≥ 0dB@48Mbps, ACR ≥ -1dB@54Mbps

above the rate-dependent

sensitivity specified in min input sensitivity

- 18 -

Only for training and service purposes

9) WLAN 802.11n transceiver specification

9) WLAN 802.11n transceiver specication

Item Specification

2. PERFORMANCE

Transmit Frequency

Tx Power Level

Frequency Tolerance

Chip clock Frequency

Tolerance

Spectrum Mask

Transmitter constellation

error

(rms EVM)

2400 MHz ~ 2483.5 MHz ( CH1~CH11 )

5150 MHz ~ 5825 MHz ( CH36~CH165 )

≤ 20dBm(2400 ~ 2483.5 MHz), ≤ 23dBm(5150 ~ 5350 MHz),

≤ 30dBm(5470 ~ 5725 MHz), ≤ 36dBm(5725 ~ 5825 MHz)

within ±25 PPM(2400 ~ 2483.5 MHz)

within ±20 PPM(5150 ~ 5825 MHz)

within ±25 PPM(2400 ~ 2483.5 MHz)

within ±20 PPM(5150 ~ 5825 MHz)

≤ -20 @ ±11MHz offset (9Mhz ~ 11MHz)

≤ -28 @ ±20MHz offset (11MHz ~ 20Mhz)

≤ -45 @ ±30MHz offset (20MHz ~ 30Mhz)

≤ -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 @ 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

LGE Internal Use Only

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Only for training and service purposes

Rx Min input Sensitivity

Rx Max input Sensitivity

2. PERFORMANCE

< -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

PER ≤ 10%

-82dBm@6.5Mbps, -79dBm@13Mbps, -77dBm@19.5Mbps

-74dBm@26Mbps, -70dBm@39Mbps, -66dBm@52Mbps

-65dBm@58.5Mbps, -64dBm@65Mbps

≥ -20dBm @ PER ≤ 10%(2400 ~ 2483.5 MHz)

≥ -30dBm @ PER ≤ 10%(5150 ~ 5825 MHz)

PER ≤ 10%,

ACR ≥ 16dB@6.5Mbps, ACR ≥ 13dB@13Mbps,

ACR ≥ 11dB@19.5Mbps, ACR ≥ 8dB@26Mbps,

Rx Adjacent Channel

Rejection

ACR ≥ 4dB@39Mbps, ACR ≥ 0dB@52Mbps

ACR ≥ -1dB@58.5Mbps, ACR ≥ -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

10) GPS receiver specication

10) 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

LGE Internal Use Only

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Only for training and service purposes

2.7 P769 Figures

2. PERFORMANCE

LGE Internal Use Only

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Only for training and service purposes

3.CIC AND SERVICE CENTER

3.1

CIC_FAQ

No FAQ Q&A

1 Q I can’t remember the PhoneLock password.

Do the following when you forget the Pattern, Pin and Password.

1. In case you have a Google account

1) Forgot Pattern>Enter Google Acct.>Reset

2. In case you don’t have a Google acct.

-Power O>Press Power Key+Volume Down Key+Home Key

(Factory Hardware Reset)

3.CIC AND SERVICE CENTER

A

Request for development

In case you’ve designated a Backup Pin, enter the Backup Pin. Refer to the user manual for details.

1. How to disable Pattern Lock, Password and PIN.

2. Request to check out if it is specied in the user manual.

3. Description on HW Factory Reset Key combination and how to do it.

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

2 Q How do I put in and take out les from the SD card?

1)Connect PC and phone via USB

A

2) Select MTP on the [USB Connection Mode] Pop-up

3) Copy/Save/Delete les using the Window Explorer on your PC

3.CIC AND SERVICE CENTER

Request for development

1.PC<-> SD CARD

2.PHONE<-> SD CARD

3 Q I use it abroad, but 3G connection doesn’t work.

It enters the Roaming status abroad. For 3G connection under the roaming status, change the option value as follows. Option Key>System Settings>More>Mobile Networks>Data Roaming Option

A

Request for development

LGE Internal Use Only

ex) 1. Europe<->Europe

2. Europe<->Continents(North America, Asia etc)

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Only for training and service purposes

No FAQ Q&A

4 Q The GPS location isn’t right, what should I do?

1. Check the Location Service Setting Value before running the Location Application

Menu>Setting>Location Services : Google’s Location Service Enable=>Searches locations of nearby stations and shows

the proximity to the user(location error 500m-2000m)

: GPS Satellites Enable>Searches nearby GPSs and locates them(location error: less than 50m)

2. When you stay indoors, GPS signals cannot be seen although GPS Satellites are enabled. So you may not get the precise location but proximate distance.

3.CIC AND SERVICE CENTER

(When you use 3G/4G Wi-Fi under the Location Setting/with the location-based Google search enabled/you should stay near the window or in open spaces where the sky is visible/ to nd locations via the GPS satellite. )

3. On Map Application/Navigation Application, users can get precise locations when

A

3G/4G Data are enabled to download the map data.

5 Q The downloaded application isn’t compatible?

A

LGE Internal Use Only

Some apps are incompatible depending on Android OS versions.

- Enquire of developers.

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Only for training and service purposes

No FAQ Q&A

6 Q How do I make an e-mail account?

1) Run the Email App

2) Exchange-Select MS Exchange or IMAP/POP3-Others

3) Enter email address and PW(enter user ID when it diers from the address)

A

3.CIC AND SERVICE CENTER

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

7 Q E-mail registration doesn’t work.

1) You need to check out if the server info is correct.

- Yahoo/Hotmail server addresses may dier from country to country. When the server info has been changed and diers from that in the DB that manages emails on its own, you may not be able to register the account.

Press Manual button after entering the email addr/pw and you can enter the server addr.

(The server addr is provided on the web pages of email service providers.)

2) Some accts like Hotmail may be locked for acct theft prevention.

3.CIC AND SERVICE CENTER

- In this case, access the mail acct on the web and it’ll be unlocked along with a

notice.

3) You need to check out if the mail acct has POP/IMAP enabled.

- Access the web mail page for the acct, and you can Enable/Disable IMAP/POP

A

features under the Setting Menu.

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

3.CIC AND SERVICE CENTER

8 Q

Unused application shows up as a using program even though it is all killed. What should I do?

Some apps may keep running although you’ve killed them, depending on the phone status (network connection, internal process etc).

In this case, you can force it to stop as below. Go to Menu>System Setting>App>Choose Apps to stop>Force Stop

A

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

9 Q Wi connection doesn’t work well.

1) See if WiFi is on(if it’s o, turn it on)

2) See if there’s any available wiFi network

3) Check the available WiFi’s signal strength (You can’t connect to Weak-signal WiFi or secured Wi-Fi )

3.CIC AND SERVICE CENTER

A

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

10 Q How do you install the PC Sync Program?

1. Access the homepage and download it.

1) Go to www.lgworld.com and choose the country

2) Click [Manual & Software Download] button

3) Search your smartphone model name

4) Click PC Sync under the Downloads item, and then click [WINDOW PCSync Download] button to down the PC SW

3.CIC AND SERVICE CENTER

A

2. AutoRun for download

1) Connect the phone with PC, and select the PC SW in the popup window for USB connection mode.

2) Shortly, click the [Download] button when AutoRun popup appears on the PC screen.

’

LGE Internal Use Only

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Only for training and service purposes

No FAQ Q&A

11 Q How do you install the Phone driver?

1. Access the homepage to download it

1) Go to www.lgworld.com and select the country.

2) Click the [Manual & Software Download] button.

2. AutoRun for download

A

1) Connect the phone with PC, and select PC Software in the popup window for USB Connection Mode.

2) On Windows 7, select the LGAutoRun.exe. On Windows XP, automatic installation works.

3.CIC AND SERVICE CENTER

12 Q How to connect internet/data network

To connect to the data network, check the following under the option. Option Key -> System settings -> More -> Mobile networks -> Check ‘Data Enabled’

option

A

LGE Internal Use Only

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Only for training and service purposes

LG P769 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual