LG LG- PX240 Manuel utilisateur

CDMA PORTABLE CELLULAR PHONE

LG- PX240

SERVICE MANUAL

Dual-band CDMA /GPS

[PCS/Cellular CDMA/GPS]

CDMA Mobile Phone

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CONTENTS

General Introduction

CHAPTER 1. System Introduction

CHAPTER 2. NAM Input Method

CHAPTER 3. Circuit Description

CHAPTER 4. Trouble Shooting

CHAPTER 5. Safety

CHAPTER 6. Glossary

Appendix

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CHAPTER 1. System Introduction

1. Specification

1.1 General Specification

1.1.1 Transmit/Receive Frequency Interval

1) CELLULAR : 70MHz

2) PCS : 140 MHz

1.1.2 Number of Channels (Channel Bandwidth)

1) CELLULAR : 20 Channels

2) PCS : 48 Channels

1.1.3 Operating Voltage : DC 3.3~4.2V

1.1.4 Battery Power Consumption : DC 3.7V

SLEEP IDLE MAX POWER

CELLULAR 1.5 mA 110 ~ 120mA 700 mA (24 dBm)

PCS 1.5 mA 120 ~ 130 mA 700 mA (24 dBm)

1.1.5 Operating Temperature : -30°C ~ +60°C

1.1.6 Frequency Stability

1) CDMA : ±0.5PPM

2) PCS : ±0.1PPM

1.1.7 Antenna : Internal Antenna

1.1.8 Size and Weight

1) Size : 89(H) * 49(W) * 21.5(D) mm

2) Weight : 80 g (Approximately with standard battery)

1.1.9 Channel Spacing

1) CELLULAR : 1.25MHz

2) PCS : 1.25 MHz

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1.1.10 Battery Type, Capacity and Operating Time.

Unit = Hours : Minutes

Standard (800mAh)

CELLULAR 140 Hrs (Slotted mode 2, sector

pwr :-75dBm)

Standby Time

PCS 140 Hrs (Slotted mode 2, sector

pwr :-75dBm)

CELLULAR 150 minute (Rx Power -92dBm, Half rate)

Talk time PCS 150 minute (Rx Power -92dBm, Half rate)

1.2 Receive Specification

1.2.1 Frequency Range

1) CELLULAR : 869 MHz ~ 894 MHz

2) PCS : 1930 MHz ~ 1990 MHz

3) GPS : 1575.42 MHz

1.2.2 Local Oscillating Frequency Range :

1) CELLULAR : 1738.08 MHz ~ 1787.94 MHz

2) PCS : 1715.56 MHz ∼1768.89 MHz

3) GPS : 3150.84 MHz

1.2.3 Sensitivity

1) CELLULAR : -104 dBm (C/N 12dB or more)

2) PCS : -104 dBm (C/N 12dB or more)

3) GPS : -148.5 dBm (w/o SA), -152 dBm (w/SA)

1.2.4 Selectivity

1) CELLULAR : 3dB C/N Degration (With Fch±1.25 KHz : -30dBm)

2) PCS : 3dB C/N Degration (With Fch±1.25 KHz : -30dBm)

1.2.5 Interference Rejection

1) Single Tone : -30dBm at 900 kHz (CELLULAR), -30dBm at 1.25MHz(PCS)

2) Two Tone : -43dBm at 900 kHz & 1700kHz(CELLULAR), -43dBm at 1.25 MHz & 2.05 MHz

1.2.6 Spurious Wave Suppression : Maximum of -80dB

1.2.7 CDMA Input Signal Range

zDynamic area of more than -104~ -25 dB: 79dB at the 1.23MHz band.

zTransmit Band : below –60dBm

zReceive Band : below –80dBm

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1.3 Transmit Specification

1.3.1 Frequency Range

1) CELLULAR : 824MHz ~ 849MHz

2) PCS : 1850 MHz ~ 1910 MHz

1.3.2 Output Power

1) CELLULAR : 0.251 W

2) PCS: 0.251 W

1.3.3 CDMA TX Frequency Deviation :

1) CELLULAR: +300Hz or less

2) PCS: ±150Hz

1.3.4 CDMA TX Conducted Spurious Emissions

1) CELLULAR : 900kHz : - 42 dBc/30kHz below

1.98MHz : - 54 dBc/30kHz below

2) PCS : -42 dBc / 30KHz below

1.3.5 CDMA Minimum TX Power Control

1) CELLULAR : - 50dBm below

2) PCS: -50dBm below

1.4 MS (Mobile Station) Transmitter Frequency

1.4.1 CELLULAR mode

Ch # Center Freq. (MHz) Ch # Center Freq. (MHz)

1011

111

152

193

234

275

316

363

824.640

825.870

827.100

828.330

829.560

830.790

832.020

833.250

834.480

835.890

404

445

486

527

568

609

650

697

738

779

837.120

838.350

839.580

840.810

842.040

843.270

844.500

845.910

847.140

848.370

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1.4.2 PCS mode

Ch # Center Freq (MHz) Ch # Center Freq (MHz) Ch # Center Freq (MHz)

25 1851.25 425 1871.25 825 1891.25

50 1852.50 450 1872.50 850 1892.50

75 1853.75 475 1873.75 875 1893.75

100 1855.00 500 1875.00 900 1895.00

125 1856.25 525 1876.25 925 1896.25

150 1857.50 550 1877.50 950 1897.50

175 1858.75 575 1878.75 975 1898.75

200 1860.00 600 1880.00 1000 1900.00

225 1861.25 625 1881.25 1025 1901.25

250 1862.50 650 1882.50 1050 1902.50

275 1863.75 675 1883.75 1075 1903.75

300 1865.00 700 1885.00 1100 1905.00

325 1866.25 725 1886.25 1125 1906.25

350 1867.50 750 1887.50 1150 1907.50

375 1868.75 775 1888.75 1175 1908.75

1.5 MS (Mobile Station) Receiver Frequency

1.5.1 CELLULAR mode

Ch. # Center Freq. (MHz) Ch. # Center Freq. (MHz)

1011

111

152

193

234

275

316

363

869.640

870.870

872.100

873.330

874.560

875.790

877.020

878.250

879.480

880.890

404

445

486

527

568

609

650

697

738

779

882.120

883.350

884.580

885.810

887.040

888.270

889.500

890.910

892.140

893.370

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1.5.2 PCS mode

Ch # Center Freq (MHz) Ch # Center Freq (MHz) Ch # Center Freq (MHz)

25 1931.25 425 1951.25 825 1971.25

50 1932.50 450 1952.50 850 1972.50

75 1933.75 475 1953.75 875 1973.75

100 1935.00 500 1955.00 900 1975.00

125 1936.25 525 1956.25 925 1976.25

150 1937.50 550 1957.50 950 1977.50

175 1938.75 575 1958.75 975 1978.75

200 1940.00 600 1960.00 1000 1980.00

225 1941.25 625 1961.25 1025 1981.25

250 1942.50 650 1962.50 1050 1982.50

275 1943.75 675 1963.75 1075 1983.75

300 1945.00 700 1965.00 1100 1985.00

325 1946.25 725 1966.25 1125 1986.25

350 1947.50 750 1967.50 1150 1987.50

375 1948.75 775 1968.75 1175 1988.75

1.5.3 GPS mode

- Center Freq. : 1575.42MHz

1.6 AC Adapter : See Appendix

1.7 Cigarret Lighter Adapter : See Appendix

1.8 Portable Hands-Free Kit : See Appendix

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2. Installation

2.1 Installing a Battery Pack

1) The Battery pack is keyed so it can only fit one way. Align the groove in the battery pack with the rail on the

back of the phone until the battery pack rests flush with the back of the phone.

2) Slide the battery pack forward until you hear a “click”, which locks the battery in place.

2.2 For Adapter Use

1) Plug the adapter into a wall outlet. The adapter can be operated from a 110V source. When AC power is

connected to the adapter.

2) Insert the adapter jack into the phone with the installed battery pack.

Red light indicates battery is being charged.. Green light indicates battry is fully charged.

2.3 For Mobile Mount

2.3.1 Installation Position

In order to reduce echo sound when using the Hands-Free Kit, make sure that the speaker and microphone are

not facing each other and keep microphone a generous distance from the speaker.

2.3.2 Microphone Installation

Install the microphone either by clipping I onto the sunvisor (driver’s side) or by attaching it to door post

(driver’s side), using a velcno adhesive tape (not included).

2.3.3 Cable Connections

2.3.3.1 Power and Ignition Cables

Connect the red wire to the car battery positive terminal and the black wire to the car ground. Connect the

green wire to the car ignition sensor terminal. ( In order to operate HFK please make sure to connect green wire

to ignition sensor terminal.) Connect the kit’s power cable connector to the interface box power receptacle.

2.3.3.2 Antenna Cable Connection

Connect the antenna coupler cable connector from the cradle to the external antenna connector. ( Antenna is

not included.)

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CHAPTER 2. NAM Input Method

(Inputting of telephone numbers included)

1. NAM Program Method and Telephone Number Inputting Method

1) NAM Programming Method

Enter ‘MENU’-Press “#” Press “0” Press “000000”

ÎÎÎ

Press “2” Press “953047”

ÎÎÎ

1.Check ESN, and Press “OK” button. (Read only)

2.Press ‘2’ on keypad for entering PHONE NUMBER.

Edit OK

ÎÎ

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3.Press ‘3’ on keypad for entering MDN.

Edit OK

ÎÎ

4.Press ‘4’ on keypad for entering Home SID.

Edit OK

ÎÎ

5.Press ‘5’ on keypad for entering NAM Name.

Edit

&OK

6.Press ‘6’ on keypad for entering Service Program Code.

Edit

&OK

Edit

&OK

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