Lg G3 stylus dual lg-d690 User manual

Internal Use Only

Service Manual

LG-D690

Date: Aug, 2014 / Issue 0.9

Only for training and service purposes

LGE Internal Use Only

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 : Solution

............................................................................5

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

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

2.6 HW SPEC ................................................................................................... 10

3. TROUBLE SHOOTING .......................................................... 20

3.1RF Component ........................................................................................ 20

3.2 SIGNAL PATH........................................................................................... 21

3.3 Checking XO Block................................................................................ 22

3.4 Checking FEMID (GSM, W B1/B2/B5/B8) Block ......................... 26

3.5 Checking WCDMA Block .................................................................... 28

3.6 Checking WCDMA Block .................................................................... 53

3.7 GPS/WIFI/BT RF component............................................................. 57

3.8 GPS/WIFI/BT SIGNAL PATH ................................................................ 58

3.9 GPS/WIFI/BTTroubleshooting.......................................................... 60

3.10 Audio ....................................................................................................... 64

3.11 Main Camera Trouble Shooting.................................................... 72

3.12 Main LCD Trouble Shooting ........................................................... 74

3.13 Touch troubleshooting..................................................................... 86

3.14 Accel&Compass sensor troubleshooting.................................. 78

3.15 Proximity Sensor troubleshooting............................................... 80

3.16 Power ON Troubleshooting............................................................ 82

3.17 Charging Troubleshooting.............................................................. 86

3.18 USB Trouble shooting ....................................................................... 88

4. DOWNLOAD......................................................................... 91

5. BLOCK DIAGRAM...............................................................108

6. CIRCUIT DIAGRAM ............................................................116

7. BGA PIN MAP ....................................................................132

8. PCB LAYOUT.......................................................................136

9. CALIBRATION.....................................................................140

10. DISASSEMBLE GUIDE......................................................159

11. EXPLODED VIEW & REPLACEMENT PART LIST .............164

Only for training and service purposes

LGE Internal Use Only

1. INTRODUCTION

1. Introduction

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

of this model.

1. 1 Purpose

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.

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.

1. 2 Regulatory Information

A. Security

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 Limitation

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.

1. INTRODUCTION

Only for training and service purposes

LGE Internal Use Only

1. INTRODUCTION

1. Introduction

E. Notice of Radiated Emission

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.

ATTENTION

H. Electrostatic Sensitive Devices

Boards, which contain Electrostatic Sensitive Device (ESD), are indicated by the

sign. information is ESD handling: Following

• 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.

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

unsuppressed engines or electric motors may cause problems.

G. Interference and Attenuation

F. Pictures

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

different.

1. 2 Regulatory Information

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2. PERFORMANCE

LG-D690n Product SPEC

1. Product Name

LG-D690N : WCDMA850/900/1900/2100+EGSM/GSM850/DCS/PCS

(HSDPA 21.1Mbps (Cat.14) / HSUPA 5.76Mbps (Cat.6) / GPRS Class 12 / EDGE Class 12

Downlink(Rx) Only)

2. Supporting Standard

Item Feature Comment

Supporting Standard WCDMA(FDD1,2,5,8)/

EGSM/GSM850/DCS1800/PCS1900

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

WCDMA(FDD1) RX : 2110 – 2170 MHz

WCDMA(FDD2) TX : 1852.4– 1907.6 MHz

WCDMA(FDD2) RX : 1932.4 – 1987.6 MHz

WCDMA(FDD5) TX : 824 – 849 MHz

WCDMA(FDD5) RX : 869 – 894 MHz

WCDMA(FDD8) TX : 880 – 915 MHz

WCDMA(FDD8) RX : 925 – 960 MHz

EGSM TX : 880 – 915 MHz

EGSM RX : 925 – 960 MHz

GSM850 TX : 824 – 849 MHz

GSM850 RX : 869 – 894 MHz

DCS1800 TX : 1710 – 1785 MHz

DCS1800 RX : 1805 – 1880 MHz

PCS1900 TX : 1850 – 1910 MHz

PCS1900 RX : 1930 – 1990 MHz

Application Standard

WAP 2.0

3. Main Parts : Solution

Item

Part Name

Comment

AP Chip

MT6582 (MTK)

PMIC Chip

MT6323 (MTK)

RF Chip

MT6166 (MTK)

LG-D690n Product SPEC

1. Product Name

LG-D690N : WCDMA850/900/1900/2100+EGSM/GSM850/DCS/PCS

(HSDPA 21.1Mbps (Cat.14) / HSUPA 5.76Mbps (Cat.6) / GPRS Class 12 / EDGE Class 12

Downlink(Rx) Only)

2. Supporting Standard

Item

Feature

Comment

Supporting Standard WCDMA(FDD1,2,5,8)/

EGSM/GSM850/DCS1800/PCS1900

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

WCDMA(FDD1) RX : 2110 – 2170 MHz

WCDMA(FDD2) TX : 1852.4– 1907.6 MHz

WCDMA(FDD2) RX : 1932.4 – 1987.6 MHz

WCDMA(FDD5) TX : 824 – 849 MHz

WCDMA(FDD5) RX : 869 – 894 MHz

WCDMA(FDD8) TX : 880 – 915 MHz

WCDMA(FDD8) RX : 925 – 960 MHz

EGSM TX : 880 – 915 MHz

EGSM RX : 925 – 960 MHz

GSM850 TX : 824 – 849 MHz

GSM850 RX : 869 – 894 MHz

DCS1800 TX : 1710 – 1785 MHz

DCS1800 RX : 1805 – 1880 MHz

PCS1900 TX : 1850 – 1910 MHz

PCS1900 RX : 1930 – 1990 MHz

Application Standard

WAP 2.0

3. Main Parts : Solution

Item Part Name Comment

AP Chip MT6582 (MTK)

PMIC Chip MT6323 (MTK)

RF Chip MT6166 (MTK)

2.1 Product Name

LG-D690 : WCDMA850/900/1900/2100+EGSM/GSM850/DCS/PCS

(HSDPA 21.1Mbps (Cat.14) / HSUPA 5.76Mbps (Cat.6) / GPRS Class 12 / EDGE Class 12 Downlink(Rx) Only)

2.2 Supporting Standard

2.3 Main Parts : Solution

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2.4 HW Features

LG-D690n Product SPEC

4. HW Features

Item

Feature

Comment

Form Factor DOP type

Battery 1) Capacity

Standard : Li-Ion, 2940mAh

2) Packing Type : Changeable

Size Standard : 149.3x75.9x10.2

Weight 163g With Battery

Volume 87163.8 mm^3 Without Battery

PCB 10 STG Layers , 0.8t

Charging time 4.3hrs @ Power Off /

2940mAh

RX sensitivity WCDMA(FDD1) : -106.7 dBm

WCDMA(FDD8) : -103.7 dBm

EGSM : -105 dBm

GSM850 : -105 dBm

DCS 1800 : -105 dBm

PCS 1900 : -105 dBm

TX output

power WCDMA/

GSM/

GPRS

WCDMA : 22.5dBm/3.84MHz,+1/-3dBm

EGSM : 33 dBm

GSM850 : 32.7 dBm

DCS 1800 : 30 dBm

PCS 1900 : 30 dBm

Class3(WCDMA)

Class4 (EGSM)

Class4 (GSM850)

Class1 (PCS)

Class1 (DCS)

GPRS compatibility GPRS Class 12

EDGE compatibility EDGE Class 12 Downlink(Rx) Only

SIM card type Plug-In SIM

3V /1.8V

Display Main LCD(qHD)

TFT Main LCD(5. 5”,960 x 540)

Built-in Camera 13M AF / 1.3M VT

Status Indicator Yes(Red LED)

Keypad Function Key : 4

Back Key : 3

Function Key: Home,

Back, menu, SIM-

switch

Back Key : Volume

up, down, power key

ANT Main : Internal Fixed Type

System connector 5 Pin micro USB

Ear Phone Jack 3.5Phi, 4 Pole, Stereo

PC synchronization Yes

Memory NAND Flash : 8GByte

SDRAM : 1GByte LPDDR3

Speech coding FR, EFR, HR, AMR

Data & Fax Built in Data & Fax support

Vibrator Built in Vibrator

BlueTooth V4.0

MIDI(for Buzzer Function) 128 Poly

3000

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

LG-D690n Product SPEC

Music Player MP3,AAC,(e)AAC+,WMA,RA,WAV

Video Player

Playback : 30fps 1080p (H.264/263, MPEG4/2, WMV9,

VC1, VP8, DivX, XVID)

Recording : 30fps 1080p (H.264/263, MPEG4/8)

30fps 720p (Wi-Fi display)

Camcorder MPEG4/8

Voice Recording Yes

Speaker Phone mode

Support

Yes

Travel Adapter Yes In-box item

CDROM No

Stereo Headset Yes In-box item

Data Cable Yes In-box item

T-Flash(External Memory)

Yes

Specification

GSM WCDMA

Stand by current

(Sleep & Idle

Avg.)

Under 6mA @ P.P 5 Under 6mA @ DRX 7

Talk current Under 280 mA

@GSM Level 5

Under 600mA

@ Max Power Avg.

Under 230 mA

@ Tx -10dBm Avg.

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

2.5 SW Features

LG-D690n Product SPEC

5. SW Features

Item Feature Comment

RSSI 0 ~ 5 Levels

Battery Charging 0 ~ 20 Levels

Key Volume

0 ~ 7 Level

Audio Volume 0 ~ 15 Level

Time / Date Display Yes

Multi-Language Yes depending on build language

Quick Access Mode Phone / Messaging / Browser/

Applications

Phone / Contact / Messaging /

Applications

PC Sync Yes

Speed Dial Yes Voice mail center -> 1 key

Profile Yes not same with feature phone

setting

CLIP / CLIR Yes

Phone Book Name / Number / Email / Groups /

Postal addresses / Organizations / IM

/ Note / Nickname / Website / Event /

There is no limitation on the

number of items.

It depends on available memory

amount.

Last Dial Number Yes

Last Received Number Yes

Last Missed Number Yes

Search by

Number/Name Yes

Group Yes There is no limitation on the

number of items.

It depends on available memory

amount.

Fixed Dial Number Yes

Service Dial Number No

Own Number Yes My Profile (add/edit/delete are

supported)

Voice Memo Yes Support voice recorder

Call Reminder No

Network Selection

Automatic

Mute Yes

Call Divert Yes

Call Barring Yes

Call Charge (AoC) No

Call Duration

Yes

SMS (EMS) There is no limitation on the number

of items.

It depends on available memory

amount.

EMS does not support.

SMS Over GPRS No

EMS Melody / Picture

Send / Receive / Save No

MMS MPEG4

Send / Receive / Save

Yes Send / Receive : Yes

Save : depends on

content type

Support video content

type list

1. video/mp4

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

LG-D690n Product SPEC

2. video/h263

3. video/3gpp2

video/3gpp

Long Message MAX 2000 characters The standard of Open vender

Cell Broadcast Yes

Download

Over the Web

Game No

Calendar Yes

Memo Yes There is no limitation on the

number of items.

It depends on available memory

amount.

World Clock Yes

Unit Convert No

Stop Watch Yes

Wall Paper Yes

WAP Browser No Support only web browser

based on webkit. WAP stack

and wml are not supported.

Download Melody /

Wallpaper

Yes Over web browser

SIM Lock No

SIM Toolkit Yes

MMS Yes LG MMS Client

EONS Yes

CPHS Yes V4.2

ENS No

Camera Yes 13M AF /

Digital Zoom : x4

JAVA No

Voice Dial No

IrDa No IrRC

Bluetooth

Yes

Ver. 4.0

FM radio Yes

GPRS Yes Class 12

EDGE Yes Class 12(Rx only)

Hold / Retrieve Yes

Conference Call Yes Max. 6

DTMF Yes

Memo pad No

TTY No

AMR Yes

SyncML No

Yes

Google Hangout

Email Yes

2. PERFORMANCE

Only for training and service purposes

LGE Internal Use Only

LG-D690n Product SPEC

6. HW SPEC

1) GSM transceiver specification

Item

Specification

Phase Error Rms : 5°

Peak : 20 °

Frequency Error GSM : 0.1 ppm

DCS/PCS : 0.1 ppm

EMC(Radiated Spurious Emission

Disturbance) GSM/DCS : < -28dBm

Transmitter Output power and

Burst Timing

GSM : 5dBm – 33dBm ± 2dB

DCS/PCS : 0dBm – 30dBm ± 2dB

Burst Timing <3.69us

Spectrum due to modulation out to

less than 1800kHz offset

200kHz : -36dBm

600kHz : -51dBm/-56dBm

Spectrum due to modulation out to

larger than 1800kHz offset to the

edge of the transmit band

GSM :

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

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

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

DCS :

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

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

Spectrum due to switching

transient

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

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

Reference Sensitivity – TCH/FS Class II(RBER) : -105dBm(2.439%)

Usable receiver input level range

0.012(-15 - -40dBm)

Intermodulation rejection – Speech

channels

± 800kHz, ± 1600kHz

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

AM Suppression

-GSM : -31dBm

- DCS : -29dBm -98dBm/-96dBm (2.439%)

Timing Advance ± 0.5T

2) WCDMA transmitter specification

Item

Specification

Transmit Frequency Band1 : 1920 MHz ~ 1980 MHz

Band2 : 1852.4Mhz ~ 1907.6 MHz

Band5 : 824MHz ~ 849MHz

Band8 : 880MHz ~ 915MHz

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

Frequency Error

within ±0.1 PPM

Open Loop Power Control

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)

> 33 dB @ ±5 MHz,

> 43 dB @ ±10 MHz

2.6 HW SPEC

1) GSM transceiver specication

2) WCDMA transmitter specication

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