LG GB107 Manual de usuario

GB107

Service Manual

LG Electronics

Table Of Contents

1. INTRODUCTION………………..3

1.1 Purpose………………………………..3

1.2 Regulatory Information……………….3

2. PERFORMANCE………………...5

2.1 H/W Features………………………….5

2.2 S/W Features…………………………..6

3. TECHNICAL BRIEF……………11

3.1 Digital Main Processor(PMB7780)…..11

3.2 Power Amplifier Module(SKY)……...18

3.3 26 MHz Clock (DCXO)……………...21

3.4 RTC (32.768KHz Crystal)………...….22

3.5 LCD Interface……………………..….23

3.6 SIM Card Interface…………………...25

3.7 KEYPAD Interface……………………26

3.8 Battery Charging Block Interface……..27

3.9 RF Interface……………………….......28

3.10 Audio Interface………………………30

3.11 Key LED Interface…………………..34

3.12 Vibrator Interface……………………35

3.13 Memory Interface…………………...36

3.14 Power Block Interface………………37

3.15 FM Radio Interface……………….…39

4. TROUBLE SHOOTING…………41

4.1 RF Trouble……………………………41

4.2 TX Trouble……………………………47

4.3 Power On Trouble………………….…51

4.4 SIM Card Trouble…………………….54

4.5 Vibrator Trouble………………………56

4.6 Keypad Trouble…………………….…58

4.7 RTC Trouble…………………………..60

4.8 Key Backlight Trouble………………..62

4.9 LCM Backlight Trouble………………65

4.10 LCD Trouble…………………………..67

4.11 Microphone Trouble…………………...69

4.12 Receiver Trouble……………………….71

4.13 Speaker Trouble………………………..73

4.14 Headphone Trouble…………………….75

4.15 Charging Trouble……………………….79

4.16 FM Radio Trouble……………………...81

5. DOWNLOAD……………………….86

5.1 Download setup…………………………86

5.2 Download process ……………………..87

6. BLOCK DIAGRAM………………..91

7. CIRCUIT DIAGRMA………………92

8. BGA IN PIN Check………………....98

9. PCB LAYOUT………………………100

10.ENGINEERING MODE…………..102

11.CALIBRATION……………………105

11.1 Test equipment setup…………..……….105

11.2 Calibration steps ……………………....105

12. Stand alone test……………………107

12.1 Test Program Setting…………………...107

12.2 TX Test ………………………………..111

12.3 RX Test………………………………...112

13.EXPLODED VIEW&

REPLACEMENT PARTLIST…….….113

13.1 Exploded View…………………………...113

13.2 Replacement Part………………………...115

1. INTRODUCTION

Purpose

This manual provides information necessary to repair, 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.

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 dose not warrant that this

product is immune from the above case but will prevent unauthorized use of common-carrier

telecommunications 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 this phone or compatibility with the

network, 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 this model 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 authorized alternations or repair may affect the regulatory status of the system and

may void any remaining warranty.

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

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

unsuppressed engines or electric motors may cause problems.

H. Electrostatic Sensitive Devices

ATTENTION

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

Following information is ESD handing:

. 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 packages as

described.

2. PERFORMANCE

H/W Features

Item Specifications etc

Solution EGOLD voice PMB7880 (ULC2) Infineon

pe Bar type

Antenna Type Internal (dual-Band)

Main Display 1.5＂ 128x128 CSTN/65k

Battery 950mAh Li-ion inner pack 950mAh: 55x34x50mm

Audio player MIDI ring tone, 16poly MIDI ring tone

Loud Speaker Yes

Memory Size 32Mb+4Mb No user memory

LMT (Lost Mobile Tracker) Yes

Weight 70g

Vibrator Shall support in built vibration alert

SIM Card Shall support SIM card both 1.8V and 3V.

KEY Back Light Yes

KEY Back Light color Blue

850 MHz/class 4 (2W)

850/1900

(GB101a, GB107a)

900 MHz/class 4 (2W)

900/1800

(GB101,GB107,GB101b,GB107b)

1800 MHz/class 1 (1W)

900/1800

(GB101,GB107,GB101b,GB107b)

Frequency

1900 MHz/class 1 (1W)

850/1900

(GB101a, GB107a)

Standby Time Shall support minimum test minutes as [min]

based on battery capacity of [mAh]

↑ 440 hrs & ↓ 2.1mA @ 950mAh (P.P.:

Talk Time Shall support minimum test hours as [hrs] based on

battery capacity of [mAh]

↑ 6 hrs30min@950mAh (PCL: 10)

(Talk time = 95% Capacity / Talk

current)

RTC The real time clock shall be able to sustain for at least

[#hrs] after removing the battery.

LGE confirm to put 22uf capacitor for

RTC backup time

S/W Features

Feature Detail Item Description

OS OSE Operating System Y

Speech Code FR,EFR,HR,AMR-NB Y

AMR code GSM Full Rate

3GPP Adaptive Multi Rate (AMR-NB)

FM Radio Only GB105,GB105a,GB105b,Gb107,GB107a,GB107b -

MP3 Ring Tone MP3 decode N

Integrated hands free

speaker

Speaker phone mode Y

Key Tone Volume 6 Level (Include Mute) Y

Ring Tone Volume 6 Level (Include Mute) Y

Ring Tone 10 Midi Y

Call Alert type Ring, Vibrate, Ring & Vibrate, Ring after vibrate, Silent Y

Earpiece Volume 6 Level (Include Mute) Y

Audio

Mute Y

GSM dual band MS

900-1800

N Frequency Bands

PCS dual band MS

850-1900

Configuration is during software compile time. Y

Circuit N Date Service

Packet N

Infrared (IrDA) N

Bluetooth N

USB N

USB Mass storage N

Connectivity

RS232(UART) Only for Phone tool & download Y

Voice Recording N

Voice Command N

Voice Function

Answering machine N

RSSI 6 level (0~5Level) Y

Battery level 4 level (0~3Level) Y

RTC Date & Time Display Y

PLMN/Service Indicator Y

Quick Access Mode In

Idle

Profile/ SMS + Voice Mail Y

Dimming Clock N

Display

Dual Clock N

Home shortcut Display Shortcut icon in Idle Y

Last Dial Number Max : 20 records Y

Last Received Number Max : 20 records Y

Last Missed Number Max : 20 records Y

Scratch Pad Memory N

Call History

Call Duration Last Call time, Total Call Time Y

Last Call Charge Units N Call Cost

Total Charge Units N

Call Waiting Y

Call Swap Y

Call Retrieve Y

Auto Answer Y

Auto Redial Y

Calling Line Y

Full Call Divert Y

Speed Dialing Y

Last Number Redial Y

Multi Party Call Y

Call Management

ECT Explicit Call Transfer (4 + Send) Y

Automatic Network

Selection

Manual Network Y

Preferred Network Y

Network

Network Service Status Y

DTMF Signaling Y DTMF

DTMF Enable & Disable Y

Read Cell Broadcast Y

On/Off setting Receive On/Off Y

Alert setting Y

Language setting Y

Cell Broadcast

Topics Setting Y

Entry Phone 300 + SIM Y

Field Name, Mobile, Home, Office Y

Copy ME <-> SIM Y

Move ME <-> SIM Y

FDN Y

Contacts(Phone

Book)

SDN Y

Email Entry N

Picture ID N

Video Caller ID N

vCard N

Business Card Y

Delete Delete, Delete All(SIM or Phone), Multi Delete Y

CFU Call Forwarding Unconditional Y

CFB Call Forwarding on Mobile Subscriber Busy Y

CFNRy Call Forwarding on No Reply Y

CFNRc Call Forwarding on Mobile Subscriber Not Reachable Y

BAOC Barring of All Outgoing Calls Y

BOIC Barring of Outgoing International Calls Y

BOICexHC Barring of Outgoing International Calls except those directed

to the Home PLMN Country

BAIC Barring of All Incoming Calls Y

BICRoam Barring of Incoming Calls when Roaming Outside the/Home

PLMN Country

Supplementary Services

Conference Call Up to 5 calls + 1 Waiting Call Y

Plug in Type 3V & 1.8 V Y

SIM Lock Service Provider / Network Lock / Hard Lock Y

SIM

SIM Toolkit Class 3 Y

Read Message Y

Write and Edit Message Y

Send and Receive

Message

Reply to Message Y

Forward Message Y

Extract Number from

Message

Message Status Y

Message Unread Y

Settable Message

Center Number,

Reply Path and Validity

Visible and Audible

Message Receive

Short Message

Voice Mail Y

Settable Voice Mail

Center Number

Message Protocol Normal, Fax, National Paging, X400,

ERMES, Voice

Message Overflow

Indicator

Message Center Number Y

Nokia Smart Message Not supported.

[Can be supported based on operator request]

Development & Test

Facility

Field Test Facility Y

Display Software Version Y

IMEI Y

Restore Factory Setting Y

Miscellaneous

Function

Battery Charging Mode Y

Language Selectable Auto Language Y Text Input

Predictive word input T9 Y

Calendar MAX: 20 records (18 chars) Y

To Do N

Scheduler

Memo MAX: 10 records (80 chars) Y

Setting Local Time Y

Display Two

Cities Time

Dual Clock N

Daylight saving

World Time

NITZ Y

Unit converter Length, Weight, Volume, Surface,

Velocity, Temperature, User-defined

Stop Watch Y

Calculator + - * / Y

Phone Book Sync Only For service Center Y PC Sync

Message Sync N

Game Will use Ruby＇s Game, 1 game Y

Emergency Call Y

Handset Lock Y

Security Code When Delete All Y

SIM Lock Y

Security

Keypad Lock Y

12/24 Hour Y

Calendar Y

Time Zone Y

Daylight saving Y

Alarm Manager Y

Dimming Clock N

Power-off Alarm Y

Real Time Clock

On Alarm Event Y

Mobile Tracking

software

For India, Asia Y Others

M-DOG For China Y

Micro SD Adapter N Accessory

Stereo Ear-mic without

hook switch

Ear-mic type Stereo without hook key.

Only FM play supports Stereo.

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