LG VX5400 User manual
TABLE OF CONTENTS
CHAPTER 1………………………………………………………………………………….5
1. SPECIFICATION............................................................................................................................... 5
1.1 General Specification.................................................................................................................................. 5
1.2 Receive Specification .................................................................................................................................. 6
1.3 Transmit Specification................................................................................................................................ 8
1.4 MS (Mobile Station) Transmitter Frequency......................................................................................... 10
1.5 MS (Mobile Station) Receiver Frequency............................................................................................... 11
1.6 AC Adapter : See Appendix.................................................................................................................. 12
1.7 Cigarret Lighter Adapter : See Appendix.............................................................................................. 12
1.8 Portable Hands-Free Kit : Not Supported.............................................................................................. 12
2. INSTALLATION .............................................................................................................................. 13
2.1 Installing a Battery Pack.......................................................................................................................... 13
2.2 For Adapter Use........................................................................................................................................ 13
2.3 For Mobile Mount..................................................................................................................................... 13
CHAPTER 2. NAM INPUT METHOD …………………………………………………...15
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CHAPTER 3. Circuit Description …….…………………………………………………...23
1. RF TRANSMIT/RECEIVE PART.....................................................................................................23
1.1 Overview.................................................................................................................................................... 23
1.2 Description of Receive Part Circuit......................................................................................................... 24
1.3 Description of Transmit Part Circuit...................................................................................................... 27
1.4 Description of Frequency Synthesizer Circuit ....................................................................................... 28
2. DIGITAL/VOICE PROCESSING PART.......................................................................................... 28
2.1 Overview.................................................................................................................................................... 28
2.2 Configuration............................................................................................................................................ 28
2.3 Circuit Description.................................................................................................................................... 29
CHAPTER 4. Trouble shooting… …….…………………………………………………...32
4.1 Rx part Trouble .......................................................................................................................................... 32
4.2 Tx part Trouble........................................................................................................................................... 62
4.3 Logic part Trouble...................................................................................................................................... 92
CHAPTER 5. Safety ……….…….…….……………………………………………..…...116
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CHAPTER 6. Glossary…………...…….…………………………………………...……..119
Appendix……………...…………...…….…………………………………………...……..131
1. Assembly and Disassembly diagram.......................................................................................... 132
2. Block and Circuit diagram............................................................................................................ 135
3. Part List .......................................................................................................................................... 147
4. Component Layout........................................................................................................................ 160
5. BGA Pin Map.................................................................................................................................. 169
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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
3) AMPS : 45MHz
1.1.2 Number of Channels (Channel Bandwidth)
1) CELLULAR : 20 Channels
2) PCS : 48 Channels
3) AMPS : 832 Channels
1.1.3 Operating Voltage : DC 3.2~4.1V
1.1.4 Battery Power Consumption : DC 3.7V
SLEEP IDLE MAX POWER
CELLULAR 1.2 mA 110 ~ 120mA 600 mA (24 dBm)
PCS 1.2 mA 120 ~ 130 mA 700 mA (24 dBm)
AMPS Average 43 mA 800 mA (27 dBm)
1.1.5 Operating Temperature : -30°C ~ +60°C
1.1.6 Frequency Stability
1) CDMA : ±0.5PPM
2) PCS : ±0.1PPM
3) AMPS : ±2.5PPM
1.1.7 Antenna : Intenna, 50 Ω
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1.1.8 Size and Weight
1) Size : 98.7 * 47.8 * 17.4 mm
2) Weight : 103 g (Approximately with standard battery)
1.1.9 Channel Spacing
1) CELLULAR : 1.25MHz
2) PCS : 1.25 MHz
3) AMPS : 30KHz
1.1.10 Battery Type, Capacity and Operating Time.
Unit = Hours : Minutes
Standard (1,000mAh)
CELLULAR About 140 Hours (SCI=1)
PCS About 140 Hours (SCI=1)
Standby Time
AMPS 19 Hours
CELLULAR 210 Minutes (+10dBm output)
PCS 210 Minutes (+10dBm output)
Talk time
AMPS 120 Minutes (Power Level 4)
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
4) AMPS : 869.04 MHz ~ 893.97 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
4) AMPS : 1738.08MHz ~ 1787.94MHz
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)
4) AMPS : -116 dBm (12dB SINAD)
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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)
3) AMPS : 16dB at Fch ±30kHz, 60 dB at Fch ±60kHz
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
1.2.8 AMPS De-Emphasis : -6dB/OCT within 0.3~3kHz
1.2.9 AMPS Expander
zExpansion Rate : 1:2
zAttack Time : within 3mS
zRecovery Time : within 13.5mS
zReference Input : Output level to a 1000Hz tone from a carrier within +2.9kHz peak frequency
deviation.
1.2.10 AMPS Sensitivity : 12dB SINAD/-116dBm
1.2.11 AMPS Intermodulation Spurious Response Attenuation : Above 65dB
1.2.12 AMPS RSSI Range : Above 60dB
1.2.13 AMPS Protection Against Spurious Response Interference : Above 60dB
1.2.14 AMPS In Band Conducted Spurious Emissions
zTransmit Band : below –60dBm
zReceive Band : below –80dBm
1.2.15 AMPS Out of Band Conducted Spurious Emissions : Below -47dBm
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1.2.16 AMPS Radiated Spurious Emissions
Frequency Range Maximum allowable EIRP
25 ~ 70 kHz
70 ~ 130 kHz
130 ~ 174 kHz
174 ~ 260 kHz
260 ~ 470 kHz
470 ~ 1.0 GHz
-45 dBm
-41 dBm
- 41 ~ - 32 dBm
-32 dBm
- 32 ~ - 26 dBm
-21 dBm
1.3 Transmit Specification
1.3.1 Frequency Range
1) CELLULAR : 824MHz ~ 849MHz
2) PCS : 1850 MHz ~ 1910 MHz
3) AMPS : 824.04MHz ~ 848.97MHz
1.3.2 Output Power
1) CELLULAR : 0.282 W
2) PCS: 0.252 W
4) AMPS : 0.4W
1.3.3 CDMA TX Frequency Deviation :
1) CELLULAR: +300Hz or less
2) PCS: ±150Hz
3) AMPS: +300Hz or less
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
1.3.6 AMPS Carrier ON/OFF Conditions
“ ON” condition : within +3dB of specification output (in 2msec)
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1.3.7 AMPS Compressor
1) Compression Rate : 2:1
2) Attack Time : 3msec
3) Recovery Time : 13.5msec
4) Reference Input : Input level for producing a nominal +2.9kHz peak requency deviation of transmitted
carrier.
1.3.7 AMPS Preamphasis : 6dB/OCT within 0.3 ~ 3 kHz
1.3.8 AMPS Maximum Frequency Deviation
1) F3 of G3 : ±12kHz (±10% )
2) Supervisory Audio Tone : ±2kHz (±10% )
3) Signaling Tone : ±8kHz (±10%)
4) Wideband Data : ±8kHz (±10 %)
1.3.9 AMPS Post Deviation Limiter Filter
1) 3.0kHz ~ 5.9kHz : above 40log(F/3000) dB
2) 5.9kHz ~ 6.1kHz : above 35dB
3) 6.1kHz ~ 15kHz : above 40log(F/3000) dB
4) Over 15kHz : above 28dB
1.3.10 AMPS Spectrum Noise Suppression
1) For all Modulation
fo+20kHz ~ fo+45kHz : above 26dB
2) For Modulation by Voice and SAT
fo+45kHz : above 63+10log(Py) dB
3) For Modulation by WBD (without SAT) and ST (with SAT)
fo+45kHz ~ fo+60kHz : above 45dB
fo+60kHz ~ fo+90kHz : above 65dB
fo+90kHz ~ 2fo : above 63+10log(Py) dB,
where fo=carrier frequency, Py=mean output power in watts.
1.3.11 AMPS Harmonic and Conducted Spurious Emissions : above 43+10log(Py) dB
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1.4 MS (Mobile Station) Transmitter Frequency
1.4.1 CELLULAR mode
Ch # Center Freq. (MHz) Ch # Center Freq. (MHz)
1011
29
70
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
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
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1.5 MS (Mobile Station) Receiver Frequency
1.5.1 CELLULAR & AMPS mode
Ch. # Center Freq. (MHz) Ch. # Center Freq. (MHz)
1011
29
70
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
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
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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 Cradle Installation
Choose an appropriate flat surface where the unit will not interface with driver’s movement or passenger’s
comfort. The driver/user should be able to access the phone with ease. Using the four self-tapping screws
provided, mount the supplied braket on the selected area. Then with the four machine screws provided, mount
the counterpart on the reverse side of the reverse side of the cradle. Secure the two brackets firmly together by
using the two bracket joint screws provide. The distance between the cradle and the interface box must not
exceed the length of the main cable.
2.3.3 Interface Box
Choose an appropriate flat surface ( somewhere under the dash on the passenger side is preferred ) and mount
the IB bracket with the four self-tapping screws provided. Clip the IB into the IB bracket.
2.3.4. 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).
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2.3.5 Cable Connections
2.3.5.1 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.
2.3.5.2 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 Programming Method
Press ‘##program5400’ ÎPress “Send” ÎPress “000000”
1.Press ‘1’ on keypad or ‘OK’ for entering Service Prg.
2.Check ESN, and Press “OK” button. (Read only)
3.Insert the NAM 1 PHONE NUMBER and press “OK” button.
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4.Check MIN Number, and Press “OK” button.
(MIN Number is automatically written with MDN )
5.Insert the NAM 1 HOME SID, and Press “OK” button.
6.Insert the NAM 1 NAME for ‘Edit’, and Press “OK” button.
Edit ÎSAVE ÎOK
7.If you want to enter the more item,
Press ‘More’ key. Otherwise Press ‘Exit’
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8.Insert the Security Code,
And Press “OK” button.
9.Insert the NAM 1 MOBILE COUNTRY CODE[NAM1 MCC].
And press “OK” button.
10. Insert the NAM 1 NMSID and Press “OK” button.
11. Insert the True IMSI MCC and Press “OK” button.
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12. Insert the True IMSI NMSID and Press “OK” button.
13. Check PRL Enabled, and Press “OK” button.
14. Check Home SID/NID, and Press “OK” button.
(If you want to change Index, Press Right or Left button.)
If you want to change SID, Locate Black Mark in the SID with UP
or Down button, and Press “OK” button, and Insert SID Number.
For NID Change, do the same way as SID change.)
15. Insert the NAM 1 CDMA Primary CH A, and press ‘OK’ button.
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16. Insert the NAM 1 CDMA Second CH A, and press ‘OK’ button.
17. Insert the NAM 1 CDMA Primary CH B, and press ‘OK’ button.
18. Insert the NAM 1 CDMA Second CH B, and press ‘OK’ button.
19. Check Lockout SID/NID, and Press “OK” button.
(If you want to change Index, Press Right or Left button.)
If you want to change SID, Locate Black Mark in the SID with UP
or Down button, and Press “OK” button, and Insert SID Number.
For NID Change, do the same way as SID change.)
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