LG Spirit H422 Service manual

Internal Use Only

Service Manual

LG-H422

Date: Ap r, 2015 / Issue 1.0

Date: MM ,YYYY / ISSUE X.X

Table Of Contents

2

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

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

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

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

2.1 Band Specification....................................................... 4

2.2 HW Features…………….................................................. 5

2.3 RSSI Display……………………………………….................... 7

2.4 Current consumption...................................................7

2.5 Battery bar........................................................................8

2.6 SW Specification............................................................ 9

3. TROUBLE SHOOTING..........................................11

3.1 WCDMA Rx Part…………………………….....................11

3.2 WCDMA Tx Part……………….…………………………...…18

3.3 GSM Rx Part.…………..……………………………………… 28

3.4 GSM Tx Part……………………………………………..…… 36

3.5 BT/WIFI Block……………………………………………….… 42

3.6 GPS Block………………………...………………….…….…... 43

3.7 FM RADIO….……………...…………………………………… 45

3.8 Power......……………...……………………………………….. 47

3.9 Charging……………...……………………………………… 48

3.10 USB…………………...…………………………………………. 50

3.11 Audio………...………...…………………………………….... 51

3.12 Sensor……………...…………………………………………... 56

3.13 Touch…………...………………………………………………. 58

3.14 Vibrator………....………………………………………….. 59

3.15 Camera…………...…………………………………….……… 60

3.16 LCD………………..…………...……………………………….. 62

4. BLOCK DIAGRAM…............................................ 64

5. CIRCUIT DIAGRAM............................................. 75

6. BGA PIN MAP...................................................... 95

7. PCB LAYOUT….

8. HIDDE

9. DOWNLOAD…................................................... 104

N MENU.................................................. 101

.................................................. 96

10. CALIBRATION.......................................................... 105

11. DISASSEMBLE GUIDE............................................. 106

12. EXPLODED VIEW..................................................... 108

13. REPLACEMENT PART LIST..................................... 109

LGE Internal Use Only

reserved. Only training and service purposes

2.1 Band Specification

4

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

2. PERFORMANCE

WCDMA(FDD1)

WCDMA(FDD5)

WCDMA(FDD8)

EGSM

GSM850

DCS1800

PCS1900

1920 – 1980 2110 – 2170

824 – 849 869 – 894

880 – 915 925 – 960

824 – 849 869 – 894

1710 – 1785 1805 – 1880

1850 – 1910 1930 – 1990

LGE Internal Use Only

reserved. Only training and service purposes

2. PERFORMANCE

5

2.2 HW Features

Item Feature Comment

Form Factor DOP type

1) Capacity

Battery

Size Standard : 133.25mm x 66.12mm x 9.95mm mm

Weight 120.4g With Battery

Volume 62cc Without Battery

PCB 10 STG Layers , 0.8t

Charging time 4.2hrs

RX sensitivity

Standard : Li-Ion, 2100mAh

2) Packing Type : Changeable

WCDMA(FDD1) : -106.7 dBm WCDMA(FDD5) : -104.7 dBm WCDMA(FDD8) : -103.7 dBm EGSM : -105 dBm GSM850 : -105 dBm DCS 1800 : -105 dBm PCS 1900 : -105 dBm

@ Power Off / 21 00mAh

TX output power

GPRS compatibility GPRS Class 12

EDGE compatibility EDGE Class 12 Downlink(Rx) Only

SIM card type

LGE Internal Use Only

WCDMA/ GSM/ GPRS

WCDMA : 23dBm/3.84 EGSM : 33 dBm GSM850 : 33 dBm DCS 1800 : 30.7 dBm PCS 1900 : 30 dBm

Plug-In SIM 3V /1.8V

MHz,+2/-2dBm

reserved. Only training and service purposes

Class3(WCDMA) Class4 (EGSM) Class4 (GSM850) Class1 (DCS) Class1 (PCS)

2. PERFORMANCE

6

Display Main LCD (4.7”, (1280H) X (720V))

Built-in Camera 8M AF / 1.0M VT Status Indicator No

Keypad

ANT Main : Internal Fixed Type System connector 5 Pin micro USB Ear Phone Jack 3.5Phi, 4 Pole, Stereo PC synchronization Yes

Memory

Speech coding FR, EFR, HR, AMR Data & Fax Built in Data & Fax support Vibrator Built in Vibrator Bluetooth V4.1 MIDI(for Buzzer Function) 128 Poly

Function Key : 4 Back Key : 3

NAND Flash : 8GByte SDRAM : 1GByte LPDDR3

Function Key: Ho me, Back, menu, S IM-switch

Back Key : Vo lume up, down, power key

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

Video Player

Camcorder Voice Recording Speaker Phone mode

Support

Trav e l Adapter Yes In-box item

CDROM No S

tereo Headset Yes

Data Cable Yes In-box item

T-Flash(External Memory) Yes

LGE Internal Use Only

Playback : 30fps 1080p (H.264/263, MPEG 4/2, WMV9, VC1, VP8, DivX, XVID)

Recording : 30fps 1080p (H.264/263, MPE G4/8) 30fps 720p (Wi-Fi display)

MPEG4/8 Yes

Yes

reserved. Only training and service purposes

2.3 RSSI Display

7

Antenna BAR

2. PERFORMANCE

Specification

Unit

WCDMA GSM

54

43

32

21

10

2.4 Current Consumption

Stand by current

(Sleep & Idle Avg.)

-89 ±2dBm -91 ±2dBm

-94 ±2dBm -96 ±2dBm

-100 ±2dBm -99 ±2dBm

-104 ±2dBm -103 ±2dBm

-110 ±2dBm -105 ±2dBm

Specification

GSM WCDMA

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

dBm

Talk current

LGE Internal Use Only

Under 280 mA @GSM Level 5

Under 550mA

@ Max Power Avg.

Under 230 mA

@ Tx -10dBm Avg.

reserved. Only training and service purposes

2. PERFORMANCE

8

2.5 Battery bar

Battery Bar Specification Battery Bar Specification

Bar 20(Full) 98%이상 Bar 9 -> Bar 8 43% -> 42% Bar 20 -> Bar 19 98% -> 97% Bar 8 -> Bar 7 38% -> 37% Bar 19 -> Bar 18 93% -> 92% Bar 7 -> Bar 6 33% -> 32% Bar 18 -> Bar 17 88% -> 87% Bar 6 -> Bar 5 28% -> 27% Bar 17 -> Bar 16 83% -> 82% Bar 5 -> Bar 4 23% -> 22% Bar 16 -> Bar 15 78% -> 77% Bar 4 -> Bar 3 16% -> 15% Bar 15 -> Bar 14 73% -> 72% Bar 3 -> Bar 2 13% -> 12% Bar 14 -> Bar 13 68% -> 67% Bar 2 -> Bar 1 8% -> 7% Bar 13 -> Bar 12 63% -> 62% Bar 1 -> Bar 0 3% -> 2% Bar 12 -> Bar 11 58% -> 57% Power off 1% Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 0%

Bar 10 -> Bar 9 48% -> 47%

이하

LGE Internal Use Only

reserved. Only training and service purposes

2. PERFORMANCE

9

2.6 SW Specification

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 Ye s depending on build language

Quick Access Mode

PC Sync Yes

Speed Dial Yes Voice mail center -> 1 key

Profile Yes

CLIP / CLIR Yes

Phone Book

Last Dial Number Yes

Last Received Number Yes

Last Missed Number Yes

Search by Number/Name Yes

Group Yes

Fixed Dial Number Yes

Own Number Yes

Voice Memo Yes Support voice recorder

Network

SMS Over GPRS Yes

Selection Automatic

Mute Ye

Call Divert Yes

Call Barring Yes

Call Duration Yes

SMS (EMS)

Phone / Messaging / Browser/ Applica

tions

Name / Number / Email / Groups / Po

stal addresses / Organizations / IM / Note / Nickname / Website / Event /

s

There is no limitation on the number

of items.

It depends on available memory amo

unt.

Phone / Contact / Messaging /

Applications

not same with feature phone se

tting

There is no limitation on the nu

mber of items.

It depends on available memory

amount.

There is no limitation on the nu

mber of items.

It depends on available memory

amount.

My Profile (add/edit/delete are

supported)

EMS does not support.

LGE Internal Use Only

reserved. Only training and service purposes

2. PERFORMANCE

10

 Send / Receive : Yes

 S

MMS MPEG4

Send / Receive / Save

Long Message MAX 2000 characters The standard of Open vender Cell Broadcast Yes

Download Over the Web

Calendar Yes

Memo Yes

World Clock Yes

Stop Watch Yes

Wall Paper Ye s

Download Melody /

Wallpaper

SIM Toolkit Yes

MMS Yes Google MMS Client EONS Yes CPHS Ye s V4.2

Camera Yes

Bluetooth Yes Ver. 4.1

FM radio Ye s

GPRS Yes

EDGE

Ye s Cla

Hold / Retrieve Yes

Conference Call Ye s Max. 6

DTMF Yes

AMR Yes

IM Yes Google Hangout

Email Yes

Yes

There is no limitation on the nu

It depends on available memory

Yes Over web browser

Class 1

ave : depends on content

type

port video content t

Sup

ype list

1. video/mp4

2. video/h263

3. video/3gpp2 video/3g

mber of items.

amount.

8M AF /

Digital Zoom : x4

ss 12(Rx only)

pp

2

LGE Internal Use Only

reserved. Only training and service purposes

3.1 WCDMA Rx Part

11

WCDMA B1/B5/B8 Rx

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.1 WCDMA Rx Part

12

Checking DC Power supply circuit

3. TROUBLE SHOOTING

Main

Top

Checking Flow

Image

TP2

TP4

TP3

Circuit Diagram

TP5

TP1

LGE Internal Use Only

reserved. Only training and service purposes

3.1 WCDMA Rx Part

13

Checking MT6166 XO circuit

3. TROUBLE SHOOTING

Image Checking Flow

Waveform

LGE Internal Use Only

Circuit Diagram

reserved. Only training and service purposes

3.1 WCDMA Rx Part

14

Checking RF signal path (FEM)

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.1 WCDMA Rx Part

15

Checking RF signal path (FEM)

3. TROUBLE SHOOTING

TP1

Circuit Diagram

TP2(B5)

TP2(B8)

TP2(B1)

Image

Waveform

TP3

TP4

LGE Internal Use Only

TP5

TP6

reserved. Only training and service purposes

3.1 WCDMA Rx Part

16

Checking RF signal path (DPX)

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.1 WCDMA Rx Part

17

Checking RF signal path (DPX)

3. TROUBLE SHOOTING

TP1(B8)

TP1(B5)

Circuit Diagram

TP1(B1)

Image

Waveform

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

18

WCDMA B1/B5/B8 Tx

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

19

Checking DC Power supply circuit

3. TROUBLE SHOOTING

Main

Top

Checking Flow

Image

TP2

TP4

TP3

Circuit Diagram

TP5

TP1

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

20

Checking MT6166 XO circuit

Checking Flow Image

3. TROUBLE SHOOTING

Waveform

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

21

Checking MT6166 XO circuit

Image Circuit Diagram

3. TROUBLE SHOOTING

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

22

Checking B1/B5/B8 TX PA

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

23

Checking B1/B5/B8 TX PA

3. TROUBLE SHOOTING

TP2(B8)_RFout

TP2(B5)_RFout

TP2(B1)_RFout

Circuit Diagram

TP3(VBAT)

Image

Waveform

TP1(B5/B8)_RFIN

TP1(B1)_RFIN

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

24

Checking RF signal path (DPX)

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

25

Checking RF signal path (DPX)

3. TROUBLE SHOOTING

TP1(B8)

TP1(B5)

Circuit Diagram

TP1(B1)

Image

Waveform

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

26

Checking RF signal path (FEM)

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.2 WCDMA Tx Part

27

Checking RF signal path (FEM)

3. TROUBLE SHOOTING

TP1

Circuit Diagram

TP2(B5)

TP2(B8)

TP2(B1)

Image

Waveform

TP3

TP4

LGE Internal Use Only

TP5

TP6

reserved. Only training and service purposes

3.3 GSM Rx Part

28

GSM850/900/DCS/PCS Rx

Checking Flow Image

3. TROUBLE SHOOTING

Main

Top

LGE Internal Use Only

reserved. Only training and service purposes

3.3 GSM Rx Part

29

Checking DC Power supply circuit

3. TROUBLE SHOOTING

Main

Top

Checking Flow

Image

TP2

TP4

TP3

Circuit Diagram

TP5

TP1

LGE Internal Use Only

reserved. Only training and service purposes

3.3 GSM Rx Part

30

Checking MT6166 XO circuit

Checking Flow Image

3. TROUBLE SHOOTING

Waveform

LGE Internal Use Only

reserved. Only training and service purposes

3.3 GSM Rx Part

31

Checking MT6166 XO circuit

Image Circuit Diagram

3. TROUBLE SHOOTING

LGE Internal Use Only

reserved. Only training and service purposes