LG X220ds SERVICE MANUAL

MOBILE PHONE

SERVICE MANUAL

CAUTION BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS” IN THIS MANUAL

MODEL : LG-X220ds

Internal Use Only

Date: Apr, 2016 / Issue 1.0

Table Of Contents

2

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

1.1 Purpose

1.2 Regulatory Information

2. PERFORMANCE................................................... 4

2.1 Band Specification

2.2 HW Features

2.3 RSSI Display

2.4 Current consumption

2.5 Battery bar

2.6 SW Specification

3. TROUBLE SHOOTING..........................................12

3.1 Checking XO Block

3.2 Checking Transceiver DC Power Supply Circuit Block

3.3 FEM (Front-End Module) Block

3.4 GSM RF PART

3.5 WCDMA RF Part

3.6 Connectivity PART

3.7 Power

3.8 charger

3.9 Checking Audio Block

3.10 Checking LCD Block

3.11 Checking Touch Block

3.12 Checking sensor Block

3.13 Checking USB Block

3.14 Checking camera Block

6. BGA PIN MAP............................................................ 84

7. PCB LAYOUT…........................................................... 85

8. HIDDEN MENU.......................................................... 91

9. DOWNLOAD…........................................................... 94

10. CALIBRATION...........................................................95

11. DISASSEMBLE GUIDE............................................. 96

12. EXPLODED VIEW………………………………………... 98

13. REPLACEMENT PART LIST..…………………………. 99

4. BLOCK DIAGRAM…........................................... 56

5. CIRCUIT DIAGRAM............................................ 65

LGE Internal Use Only

reserved. Only training and service purposes

1. INTRODUCTION

3

1.1 Purpose

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

1.2 Regulatory Information

A. Security

This material is prohibited to share and release to unauthorized person, in accordance with the regulations, LG Electronics, Civil / criminal

responsibility in accordance with the relevant provisions violate.

B. Precautions for repair

• In c

• When u

• When f

C. Attention

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

Following information is ESD handling:

• Service personal should ground themselves by using a wrist, strap when exchange system board.

• When repair are made to a system board, they should spread the floor with anti-

• Use a suitable, grounded soldering iron.

• Keep sensitive parts in these protective packages until these are used.

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

ase of Disassembly or Assembly to repair product, be careful of a product failure caused by RF signals and Static electricity.

sing Magnetic tool for the Phone's SVC repair, you should check affect the Electric parts according to effect of Magnet.

astening the screw, be careful not to damage the head of screw and even product.

LGE Internal Use Only

static mat which is also grounded.

reserved. Only training and service purposes

2.1 Band Specification

4

Support Band TX Freq (MHz) RX Freq (MHz)

2. PERFORMANCE

WCDMA(FDD1

)

WCDMA(FDD8

)

EGSM 880 – 915 925 – 960

GSM850 824 – 849 869 – 894

DCS1800 1710 – 1785 1805 – 1880

PCS1900 1850 – 1910 1930 – 1990

1920 – 1980 2110 – 2170

880 – 915 925 – 960

LGE Internal Use Only

reserved. Only training and service purposes

2.2 HW Features

5

2. PERFORMANCE

List

1. Phone Type Bar Type

2. Size 141.5 x 71.6 x 8.9 mm

3. Weight 128g ( with Battery )

4. Battery 1,900mAh(Typ) (Li-Ion), 1,820mAh(Min.)

5.Chipset MT6580A/WM

6. Memory 8GB(EMMC) + 1GB(LPDDR3)External Memory(SD Card) : Up to 32GB

7. LCD Size 5 inch

8. Touch Type 5 inch Capacitive type

9. Main Camera (5M) Type CMOS image sensor

Type / Spec.

Display Type Active matrix TFT, Transmissive Type

Color 16.7M colors

Resolution 854(H) x 480(W) 196ppi

LGE Internal Use Only

Resolution

Image Scaling Down

Format Image : JPG, Video : MP4

2560(H) X 1920 (V) pixels.

5M(2560x1920), 4M(2560x1440), 3M(2048x1536), 2M(1600x1200),

1.3M(1280x960), 1M(1280x720)

reserved. Only training and service purposes

2.2 HW Features

6

2. PERFORMANCE

10.Front Camera(2M)

11. Audio

12. Bluetooth Standard Bluetooth 4.1

13. WLAN Standard IEEE 802.11 b/g/n

Type CMOS image sensor

Resolution 2,560(H) x 1,920(V)

Format Image : JPG, Video : 3GP

Receiver/Speaker 2in1 18 X 10 X 3.1T Speaker

Format MP3, AAC, MIDI, EAAC+, OGG, AMR, AAC+, WAV, FLAC

Effective Distance 10M

Distance 0 m ~ 10 m (depend on environment)

Throughput Max 40Mbps (SDIO Driver performance)

Depend on environment 0 ~ 50m (depend on environment)

14. GPS type A-GPS

15. FM type FM Radio, 3.5pi Ear-jack

LGE Internal Use Only

reserved. Only training and service purposes

2.3 RSSI Display

7

Antenna BAR

54 -85 ±3dBm -91 ±3dBm

43 -92 ±3dBm -96 ±3dBm

2. PERFORMANCE

Specification

Unit

WCDMA(RSCP) GSM(RSSI)

32 -98 ±3dBm -98 ±3dBm

21 -102 ±3dBm -102 ±3dBm

10 -106 ±3dBm -104 ±3dBm

2.4 Current consumption

Specification

Item

WCDMA GSM

1. Current(Sleep & Idle AVG) Under 6mA(@DRX7) Under 6mA(@PG 5)

≤340mA(@PCL5,GSM900/GSM8

2. Talking Current

≤260mA @10dBm ≤270mA @12dBm

50) ≤280mA(@PCL0,DCS1800/PCS1

900)

dBm

LGE Internal Use Only

reserved. Only training and service purposes

2.5 Battery bar

8

2. PERFORMANCE

LGE Internal Use Only

reserved. Only training and service purposes

2.6 SW Specification

9

Item Feature Comment RSSI 0 ~ 5 Levels

Battery Charging 0 ~ 100%

Key Volume No No key volume setting

Audio Volume 0 ~ 15 Level

Time / Date Display Yes

Multi-Language Yes depending on build language

Quick Access Mode Phone / Contact / Browser / Messaging

PC Sync No

Speed Dial Yes Voice mail center -> 1 key

Profile No not same with feature phone setting

CLIP / CLIR Yes

Phone Book Name / Phonetic / Nickname / Photo / Phone / E

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 it

mail / Postal addresses / Birthday / Company / N

otes / IM / Relationship

2. PERFORMANCE

There is no limitation on the number of it

ems.

It depends on available memory amount.

ems.

It depends on available memory amount.

Service Dial Number No

LGE Internal Use Only

Fixed Dial Number Yes

Own Number No My Profile (add/edit/delete are supporte

d)

reserved. Only training and service purposes

2.6 SW Specification

There is no limitation on the number of items.

The p the screen to easily turn it on or off.

10

Voice Memo Yes Support voice recorder

Call Reminder

etwork Selection Automatic

N

Mute Yes

Call Divert Yes

Call Barring Yes

Call Charge (AoC) No

Call Duration Yes

SMS (EMS)

SMS Over GPRS Yes EMS Melody / Picture No Send / Receive / Save

MMS MPEG4 Yes ØSend / Receive : Yes

Send / Receive / Save ØSave : depends on content type

2. PERFORMANCE

No

EMS does not support.

It depends on available memory amount.

Support video content type list

Long Message MAX 450 characters SMS

Cell Broadcast Yes

Download Over the Web

Game No

Calendar Yes

Memo No

World Clock Yes

Knock on Yes

LGE Internal Use Only

1.video/mp4

2.video/h263, h264

3.video/3gpp2 video/3gpp

Knock ON feature allows you to double-ta

reserved. Only training and service purposes

2.6 SW Specification

Taking the photos with a gesture, There are tw o methods for using the Gesture shot feature.

11

Unit Convert No

Stop Watch Yes

Wall Paper Yes

WAP Browser No Support only web browser based on webkit. W

Download Melody / Yes Over web browser

Wallpaper

SIM Lock No

SIM Toolkit Yes

MMS Yes Google MMS Client

EONS Yes

CPHS Yes V4.2

ENS No

Camera Yes 5M FF /

JAVA No

Voice Dial Yes US English only

IrDa No IrRC

Bluetooth Yes Ver. 4.1

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 Yes

IM Yes Google Hangout

Email Yes

LGE Internal Use Only

Gesture shot Yes

2. PERFORMANCE

AP stack and wml are not supported.

Digital Zoom : x4

reserved. Only training and service purposes

3.1 Checking XO Block

12

3. TROUBLE SHOOTING

The out put frequency(26.0MHz) of XO(X3101) is used as the reference one of MT6580 internal VCO

Image

Checking Flow

Main

Top

START

X3101

Check TP1

Is it 26.0 MHz?

NO

Replace X3101 and then

check TP1

Is it 26.0 MHz?

NO

The Problem may be Logic part

Refer to Logic trouble shoot

YES

XO Circuit is OK.

TP1 (X3101)

Check next step

Circuit Diagram

XO Circuit is OK.

Check next step

TP1 (X3101)

LGE Internal Use Only

reserved. Only training and service purposes

3.2 Checking Transceiver DC Power Supply Circuit Block

13

The MT6580 operating voltages used three voltage sources 1.8V and 1.8V and 2.8V

Checking Flow

START

Main

Top

3. TROUBLE SHOOTING

Image

U1001

TP2

TP3

Check TP1

+1.8V is OK?

YES

Check TP2

+1.8V is OK?

YES

Check TP3

+2.8V is OK?

Check next step

The Problem may be Logic part

Refer to Logic trouble shoot

NO

The Problem may be Logic part

Refer to Logic trouble shoot

NO

The Problem may be Logic part

Refer to Logic trouble shoot

NO

TP1

Circuit Diagram

TP3(2.8V)(C3121)

TP2(1.8V)(R3115)

TP1(1.8V)(R3123)

LGE Internal Use Only

reserved. Only training and service purposes

3.3 FEM (Front-End Module) Block

14

3.3.1 . FEM Mode Control Logic Table

FEM Mode Control Logic Table

3. TROUBLE SHOOTING

LGE Internal Use Only

reserved. Only training and service purposes

3.3 FEM (Front-End Module) Block

15

3.3.2 . All Band FEM Block (GSM 850/900/1800/1900, WCDMA B2/5)

Checking Flow

START

Check

TP1~4 level with

FEM Mode Control Logic

Table?

YES

Check Next step

The Problem may be Logic part

NO

Refer to Logic trouble shoot

3. TROUBLE SHOOTING

Circuit Diagram

TP1(0V or 2.85V)R3101

TP2(0V or 2.85V)R3104

TP3(0V or 2.85V)R3106

Main

Bot

LGE Internal Use Only

Image

TP4(0V or 2.85V)

U3101

TP4(0V or 2.85V)R3107

TP2(0V or 2.85V)

TP1(0V or 2.85V)

TP3(0V or 2.85V)

reserved. Only training and service purposes

3.4 GSM RF PART

16

GSM RF Part support GSM850/900/1800/1900 with ASM, PAM, Transceiver component

Checking Flow

START

Check XO Block

Refer 3.1

Check Transceiver DC Power supply Block

Refer 3.2

Check FEM Block

Refer 3.3

3. TROUBLE SHOOTING

LGE Internal Use Only

Check T/RX Block

Re-Download & Cal

Change the Board

reserved. Only training and service purposes

3.4 GSM RF PART

17

3.4.1 GSM850/900/1800/1900 Rx

Main

Bot

U3101

Main

Top

U1001

3. TROUBLE SHOOTING

GSM850/GSM900 RX PATH

1.

2.DCS1800/PCS1900 RX PATH

3.DCS1800/PCS1900 TX PATH

4.GSM850/GSM900 TX PATH

5.COMMON T/RX PATH

Main

Bot

LGE Internal Use Only

Image

J3101

reserved. Only training and service purposes

3.4 GSM RF PART

18

3.4.1.1 Checking RF signal path (SW)

Checking Flow

START

3. TROUBLE SHOOTING

Image

Main

Bot

TP1(J3101)

J3101

LGE Internal Use Only

Check

TP1

Signal exist?

YES

Check next step

NO

Check J3101

Soldering

Circuit Diagram

TP1

reserved. Only training and service purposes

3.4 GSM RF PART

19

3.4.1.2 Checking RF Signal RX path(GSM850/GSM900/DCS1800/PCS1900)

3. TROUBLE SHOOTING

Checking Flow

START

Check TP1/2 Signal exist?

YES

Check Transceiver

physical damage

or soldering condition

OK?

Check next step

NO

NOT GOOD

Check Component

above RF signal path

Replace U3101

Circuit Diagram

Main

Top

Image

SAW3101

TP1

TP2

TP1

LGE Internal Use Only

TP2

reserved. Only training and service purposes

3.4 GSM RF PART

20

3.4.2.1 GSM850/900/1800/1900 Tx

Main

Bot

U3101

Main

Top

U1001

3. TROUBLE SHOOTING

GSM850/GSM900 RX PATH

1.

2.DCS1800/PCS1900 RX PATH

3.DCS1800/PCS1900 TX PATH

4.GSM850/GSM900 TX PATH

5.COMMON T/RX PATH

Main

Bot

LGE Internal Use Only

Image

J3101

reserved. Only training and service purposes

3.4 GSM RF PART

21

3.4.2.2 Checking GSM PAM DC Power Circuit

Checking Flow

3. TROUBLE SHOOTING

Image

TP1

START

Check TP1 Supply voltage OK?

YES

Check FEM control logic OK?

Refer to 3.3 FEM Block.

Check TP2

If Vramp ok?

YES

Check Next step

The Problem may be Other

NO

The Problem may be Logic

NO

part

Check Logic part

part

TP2

U3101

Main

Bot

Circuit Diagram

TP2(0.1V~1.6V)R3102

TP1(3.4V~4.3V)R3105

LGE Internal Use Only

reserved. Only training and service purposes

3.4 GSM RF PART

22

3.4.2.3 Checking RF signal path(SW)

Checking Flow

START

Check TP1

If DCS/PCS Over 30dBm?

If 850/900 Over 33dBm?

NO

YES

3. TROUBLE SHOOTING

Image

Main

Bot

TP1(J3101)

J3101

Check J3101 Soldering

Circuit Diagram

Check next step

LGE Internal Use Only

TP1

reserved. Only training and service purposes

3.4 GSM RF PART

23

3.4.2.4 Checking RF signal path

Checking Flow

START

Main

Bot

3. TROUBLE SHOOTING

Image

Main

Bot

TP1

Check TP1

If GSM850/900 Over 32.5dBm?

If DCS/PCS Over 29.5dBm?

NO

Check TP2/3

If power at 0~6dBm?

NO

Check Transceiver physical damage

or soldering condition

OK?

Check next step

YES

NOT GOOD

Check component

above RF signal path

Check U3101 soldering

Replace U1001

TP3

U3101

TP2

J3101

Circuit Diagram

TP2

TP1

TP3

LGE Internal Use Only

reserved. Only training and service purposes

3.5 WCDMA RF Part

24

WCDMA RF Part support WCDMA B1/8 with FEM, PAM, Transceiver component

Checking Flow

START

Check XO Block

Refer 3.1

Check Transceiver DC Power supply Block

Refer 3.2

Check FEM Block

Refer 3.3

3. TROUBLE SHOOTING

LGE Internal Use Only

Check T/RX Block

Re-Download & Cal

Change the Board

reserved. Only training and service purposes

3.5 WCDMA RF PART

25

3.5.1 WCDMA RF Part RX PATH (B1/B8)

1) WCDMA RX Path

Main

Bot

U3206

Image

Main

Top

3. TROUBLE SHOOTING

1.Band 1 RX PATH

2.Band 8 RX PATH

3.COMMON T/RX PATH

U1001

Main

Bot

U3101

LGE Internal Use Only

U3202

J3101

reserved. Only training and service purposes

3.5 WCDMA RF PART

26

3. TROUBLE SHOOTING

3.5.1.1 Checking RF signal path(Band 1)

Checking Flow

START

Check TP1

Signal exist?

Check TP2

Signal exist?

YES

Check TP3

Signal exist?

Transceiver physical damage

Check

YES

or soldering

condition

OK?

Check next step

NOT GOOD

Check J3101 Soldering

NO

Check U3101 Soldering

NO

Check U3202 Soldering

NO

Replace U1001

Circuit Diagram

Main

Top

TP2

U3206

U3202

Image

TP3

U1001

TP1

J3101

Main

Bot

TP1

LGE Internal Use Only

TP3

TP2

reserved. Only training and service purposes

3.5 WCDMA RF PART

27

3.5.1.2 Checking RF signal path(Band 8)

Checking Flow

3. TROUBLE SHOOTING

Image

TP1

START

Check TP1

Signal exist?

YES

Check TP2

Signal exist?

YES

Check TP3

Signal exist?

YES

Transceiver physical damage

Check

or soldering

condition

OK?

Check next step

NO

NOT GOOD

Check J3101 Soldering

Check U3101 Soldering

Check U3206 Soldering

Replace U1001

U3206

U3202

Circuit Diagram

TP2

TP3

Main

Top

U1001

J3101

Main

Bot

TP1

LGE Internal Use Only

TP3

TP2

reserved. Only training and service purposes

3.5 WCDMA RF PART

28

3.5.2 WCDMA RF Part TX PATH (B1/B8)

2) WCDMA TX Path

Main

Bot

Main

Top

Image

U3206

U1001

3. TROUBLE SHOOTING

1.Band 1 TX PATH

2.Band 8 TX PATH

3.COMMON T/RX PAT H

LGE Internal Use Only

U3101

U3201

U3202

Main

Bot

J3101

reserved. Only training and service purposes

3.5 WCDMA RF PART

29

3.5.2.1 Checking WCDMA PAM DC Power & Control Circuit

Checking Flow

START

3. TROUBLE SHOOTING

Image

TP1

Main

Top

Check TP1 Supply voltage OK?

YES

Check TP2 Supply voltage OK?

YES

Check TP3~5

If PAM control logic OK?

YES

Check Next step

The Problem may be Other

NO

Check Logic part

The Problem may be Other

Check Logic part

The Problem may be Other

Check Logic part

part

TP2(3.4V~4.3V)

TP1(3.4V~4.3V)

TP5

U3201

TP3

Circuit Diagram

TP4

TP2

TP3

TP4

TP5

LGE Internal Use Only

reserved. Only training and service purposes

3.5 WCDMA RF PART

30

3.5.2.1 Checking WCDMA PAM DC Power & Control Circuit

U3201 PAM CONTROL LOGIC

3. TROUBLE SHOOTING

LGE Internal Use Only

reserved. Only training and service purposes

LG X220ds SERVICE MANUAL

Specifications and Main Features

Frequently Asked Questions

User Manual