LG KG300 Manuel utilisateur

Date: November, 2006 / Issue 1.0

Service Manual Model : KG300

Service Manual

KG300

KG300 cover(4)_1109 2006.11.10 3:19 PM ˘`1

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1. Introduction and Specification .................................................5

2. Software Download Procedure...............................................11

3. Assembly and Disassembly ...................................................18

4. Troubleshooting.......................................................................24

5. CIRCUIT DIAGRAMS................................................................63

6. PCB LAYOUT............................................................................77

7. EXPLODED VIEW & REPLACEMENT PART LIST..................79

Contents

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1. INTRODUCTION

- 5 -

1.1 Unit SPECIFICATION

1. INTRODUCTION

7312 MRS

RTP Sep/M , 2006

Solution 6226M

Type Bar type

Antenna Type Internal( tri-Band)

Main Display 2.0" QVGA

GPRS Yes, Class 10

MMS Yes, 1.1

Camera 2M(MT9D011)

Battery 800 mAh (LG)

Audio player Yes

Video recoding with playback

Yes

(QCIF) and preview(QVGA)

FM Receiver Yes

MPEG4/H.263 Yes

H.264 No(no support)

AAC+ No

FM as alarm Yes

Scheduled FM recording Yes

MP4 for incoming call/ power on off

Yes

animation and screen saver

Speaker (HandFree) Yes

Audio player--real resuming Yes, for MP3 only

Embedded Game 3 Default

Video recording Yes

Memory Size 128Mb flash + 64Mb Ram

Internal NAND 64MB

Memory Card MicroSD

General Storage

Multimedia

1. INTRODUCTION

- 6 -

Bluetooth

Yes, CSR BC3 ROM (6 basic profile: HS,

HF, Dail up, SPP(OPP), FTP)

USB Yes, slave 1.1

IrDA No

WAP Yes, 2.0

Java No

PoC No

EMAIL No

Status LED with one color Yes

DRM No, OMA 1.0

Dictionary No

MPEG4 caller ID Yes

Finger handwriting No

Touch Panel No

OTA Yes

AB repeat Yes

Music Equalizer Yes

Image Editing No

In flight mode Yes

Connection

Others

1.2 PERFORMANCE

PRODUCT SPECIFICATION

1. INTRODUCTION

- 7 -

NO NAME SPECIFICATION

EGSM900 Band

TX: 890+n*0.2 MHz

RX: 935+n*0.2 MHz (n= 0~124)

TX: 890+(n-1024)*0.2 MHz

1Frequency Band

RX: 935+(n-1024)*0.2 MHz (n= 975~1023)

DCS1800 Band

TX: 1710+(n-512)*0.2 MHz

RX: 1805+(n-512)*0.2 MHz (n= 512~885)

PCS1900 Band

TX: 1850.2+(n-512)*0.2 MHz

RX: 1930.2+(n-512)*0.2 MHz (n= 512~810)

2Phase Error RMS < 5 degrees

Peak < 20 degrees

EGSM900: < 0.1ppm (90 Hz)

3Frequency Error DCS: < 0.1ppm (180 Hz)

PCS: < 0.1ppm (190 Hz)

1. INTRODUCTION

- 8 -

4Transmit Power EGSM900

Control Level Power Level Tolerance

5(high) 33 dBm 2dB

631 dBm 3dB

729 dBm 3dB

827 dBm 3dB

925 dBm 3dB

10 23 dBm 3dB

11 21 dBm 3dB

12 19 dBm 3dB

13 17 dBm 3dB

14 15 dBm 3dB

15 13 dBm 3dB

16 11 dBm 5dB

17 9 dBm 5dB

18 7 dBm 5dB

19(low) 5 dBm 5dB

DCS1800/PCS1900

Control Level Power Level Tolerance

0(high) 30 dBm 2dB

128 dBm 3dB

226 dBm 3dB

324 dBm 3dB

422 dBm 3dB

520 dBm 3dB

618 dBm 3dB

716 dBm 3dB

814 dBm 3dB

912 dBm 4dB

10 10 dBm 4dB

11 8 dBm 4dB

12 6 dBm 4dB

13 4 dBm 4dB

14 2 dBm 5dB

15 0 dBm 5dB

1. INTRODUCTION

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Item Description Specification

EGSM900

OFFSET from Carrier (KHz) Max. (dBm)

100 +0.5

200 -30

250 -33

400 -60

600~ < 1,200 -60

1,200~ < 1,800 -60

1,800~ < 3,000 -63

3,000~ < 6,000 -65

5Spectrum due to modulation ≥ 6,000 -71

DCS1800/PCS1900

OFFSET from Carrier (KHz) Max. (dBm)

100 +0.5

200 -30

250 -33

400 -60

600~ < 1,200 -60

1,200~ < 1,800 -60

1,800~ < 3,000 -65

3,000~ < 6,000 -65

≥6,000 -73

EGSM900

OFFSET from Carrier (KHz) Max. (dBm)

Spectrum due to switching 400 -19

6transient 600 -21

1,200 -21

1,800 -24

1. INTRODUCTION

- 10 -

Item Description Specification

DCS1800/PCS1900

OFFSET from Carrier (KHz) Max. (dBm)

Spectrum due to switching 400 -22

6transient 600 -24

1,200 -24

1,800 -27

EGSM900

7Bit Error Rate BER (Class II) < 2% @ -105dBm

DCS/PCS

BER (Class II) < 2% @ -103dBm

8SLR(Sending Loudness Ratio) 8 +/- 3 dB

Frequency (Hz) Max.(dB) Min.(dB)

100 -12 -

200 0 -

300 0 -12

9Sending Response 1,000 0 -6

2,000 4 -6

3,000 4 -6

3,400 4 -9

4,000 0 -

10 RLR(Receiver Loudness Ratio) 2 3 dB

Frequency (Hz) Max.(dB) Min.(dB)

100 -12 -

200 0 -

300 2 -7

500 *-5

11 Receiving Response 1,000 0 -5

3,000 2 -5

3,400 2 -10

4,000 2

*Mean that adopt a straight line in between 300Hz &

1000Hz to be Max. Level in the range.

2. Software Download Procedure

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Tools

1. Download Cable

2. PC

3. Battery (3.8 V Li-ion Battery)

How to user Leo download tool

2.1 Install Leo Download tool

➜ Choose I accept the terms in the license agreement

➜ Type user name / organization. [You could type any anything or just follow it up]

2. Software Download Procedure

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