LG LG-H845 Manual de usuario

LGE Internal Use OnlyLGE Internal Use Only

MODEL : LG-H845

Internal Use Only

MOBILE PHONE

SERVICE MANUAL

CAUTION

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

Date: May, 2016 / Issue

1.0

(VIETMOBILE.VN)

reserved. Only training and service purposes

LGE Internal Use Only

Table Of Contents

1. INTRODUCTION................................................. 1

1.1 Purpose

1.2 Regulatory

Information

2. PERFORMANCE................................................... 3

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..........................................11

3.1 XO Block

3.2 Transceiver DC Power Supply Circuit

3.3 DC-DCBlock

3.4 ASM Block

3.5 GSM Part

3.6 WCDMA Part

3.7 LTE Part

3.8 BT/WiFi Part

3.9 FM Radio

3.10 GPS

3.11 NFC

3.12 Power

3.13 Display

3.14 Motor

3.15 Hall IC

3.16 Sensor

3.17 Camera

3.18 Audio

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

5. CIRCUIT DIAGRAM............................................ 72

6. BGA PIN MAP............................................................ 100

7. PCB LAYOUT…........................................................... 101

8. HIDDEN MENU.......................................................... 109

9. DOWNLOAD…........................................................... 113

10. CALIBRATION...........................................................114

11.DISASSEMBLE GUIDE............................................. 115

12. EXPLODED VIEW………………………………………... 117

13. REPLACEMENT PART LIST..…………………………. 118

reserved. Only training and service purposes

LGE Internal Use Only

1. INTRODUCTION

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

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

•When fastening the screw, be careful not to damage the head of screw and even product.

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-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 board or parts like EEPROM to the Factory, use the protective package as described.

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.1 Band Specification

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

EGSM 880 –915 925 –960

GSM850 824 –849 869 –894

DCS1800 1710 –1785 1805 –1880

PCS1900 1850 –1910 1930 –1990

WCDMA(FDD1) 1920 –1980 2110 –2170

WCDMA(FDD2) 1850 –1910 1930 –1990

WCDMA(FDD4) 1710 –1755 2110 –2155

WCDMA(FDD5) 824 –849 869 –894

WCDMA(FDD8) 880 –915 925 –960

LTE(BAND1) 1920 –1980 2110 –2170

LTE(BAND2) 1850 –1910 1930 –1990

LTE(BAND3) 1710 –1785 1805 –1880

LTE(BAND4) 1710 –1755 2110 –2155

LTE(BAND5) 824 –849 869 –894

LTE(BAND7) 880 –915 925 –960

LTE(BAND8) 880 –915 925 –960

LTE(BAND12) 699 –716 729 –746

LTE(BAND17) 704 –716 734 –746

LTE(BAND20) 832 –862 791 –821

LTE(BAND28) 703 –748 758 –803

LTE(BAND38) 2570 –2620 2570 –2620

LTE(BAND40) 2300 –2400 2300 –2400

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.2 HW Features

List Type / Spec.

1. Phone Type DOP Type

2. Size 149.4x73.9x7.7 (unit : mm)

3. Weight 157g ( with Battery )

4. Battery 2800mAh (Typ)

5.Chipset MSM8976 : Qualcomm (4 : 1.8GHz / 4 : 1.4GHz)

6. Memory 3GB(SDRAM LPDDR3) + 32GB eMMC v5.1

7. LCD Size 5.3 inch

Display Type Active matrix TFT, Transmissive Type

Color 16.7M colors

Resolution QHD (2560 X1440)

8. Touch Type 5.3 inch Capacitive type

9.Main Camera (16M) Type CMOS image sensor

Resolution 5312(H) X 2988(V) pixels.

Image Scaling Down 16:9 -5312 X2988 (16M)

4:3 –3984 X2988 (12M)

1:1 –2976 X2976 (9M)

Format Image : JPG, Video : MP4, 3gpp(MMS)

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.2 HW Features

10. Audio Receiver 12 X 06 X 2.65T Receiver

Speaker 20 X 9 X 3.5T (1W FSD) Speaker

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

11. Bluetooth Standard Bluetooth 4.2

Effective Distance 10M

Distance 0 m ~ 10 m (depend on environment)

12. WLAN Standard IEEE 802.11 b/g/n/a/ac

Throughput Max 433Mbps

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

13. GPS type A-GPS

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

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.3 RSSI Display

2.4 Current consumption

RSSI Bar Specification Unit

LTE WCDMA GSM

BAR 5->4 -84 dBm ±4dB -88 dBm ±4dB -90 dBm ±3dB

Antenna B

BAR 4->3 -94 dBm ±4dB -93 dBm ±4dB -95 dBm ±3dB

BAR 3->2 -104 dBm ±4dB -99 dBm ±4dB -98 dBm ±3dB

BAR 2->1 -114 dBm ±4dB -103 dBm ±4dB -102 dBm ±3dB

BAR 1->0 -127 dBm ±4dB -109 dBm ±4dB -104 dBm ±3dB

BAR 1-> No service No service No service No service

항 목 Specification

VOLTE WCDMA GSM

1. Sleep Mode Under 35mA Under 35mA Under 35mA

2. Sleep mode (AVG Sleep & Idle) Under 35mA

@ 2.56s Under 35mA

@ DRX 7 Under 35mA

@ P.P 5

3. Sleep mode (connecting Earjack)Under 40.5mA @ 2.56s Under 40.5mA @ DRX 7 Under 40.5mA @ P.P 5

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

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%이하

Bar 11 -> Bar 10 53% -> 52% Low battery pop-up 15% , 5%, 1%

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

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.6 SW Specification

Item Feature Comment

RSSI 0 ~ 5 Levels

Battery Charging 0 ~ 20 Levels Android 6.0.1(M OS)

Key Volume 0 ~ 7 Level Yes

Audio Volume 0 ~ 15 Level Yes

Time / Date Display Yes

Multi-Language Yes English, Espanol, Franch, Korea, Chinese etc.

Quick Access Mode Phone/Contact/Message/Camera/Browser

PC Sync Yes LG Bridge

Speed Dial Yes We provide speed dial.

Profile Yes not same with feature phone setting

CLIP / CLIR Yes

Phone Book

Name / Number / Email / Chat Id / Website / Postal addresses / Organizations /

Groups / Birthday Notes / Ringtone There is no limitation on the number of items.

It depends on available memory amount.

Last Received Number Yes 2000 items

Last Missed Number Yes 20000 items

Search by Number / Name Name / Number Support

Group Yes There is no limitation on the number of items.

It depends on available memory amount.

Fixed Dial Number No FDN does not support.

Service Dial Number No

Own Number Yes Read only

(add/edit/delete are not supported)

reserved. Only training and service purposes

LGE Internal Use Only

2. PERFORMANCE

2.6 SW Specification

Voice Memo No

Call Reminder No Missed call popup

Network Selection Automatic

Mute Yes

Call Divert Yes

If Call Divert means Call Forwarding, it’s support

Call Barring Yes Supported

Call Charge (AoC) No Call Charge does not support.

Call Duration Yes Support

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 No

Send / Receive / Save No

MMS MPEG4 Yes

Send / Receive / Save Yes

Long Message No

Cell Broadcast No

Download Yes

Game No

Calendar Yes

Memo Yes There is no limitation on the number of items.

It depends on available memory amount.

World Clock Yes

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