LG VX5400 Service Manual Download Page 151

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10 nF,16V,K,X7R,HD,1005,R/TP

MCH153CN103KK

C519

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C520

CAP,CERAMIC,CHIP

ECCH0007802

4.7 uF,10V ,M ,X5R ,TC ,1608 ,R/TP

CV105X5R475M10AT

C521

CAP,CHIP,MAKER

ECZH0001215

1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP

C1005X5R1A105KT

C522

CAP,TANTAL,CHIP

ECTH0002202

4.7 uF,10V ,M ,STD ,1608 ,R/TP

SYF-1A475M-RJ

C523

CAP,CHIP,MAKER

ECZH0000830

33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H330JT

C524

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C525

CAP,CHIP,MAKER

ECZH0000830

33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H330JT

C526

CAP,CERAMIC,CHIP

ECCH0004904

1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP

GRM155R60J105KE19D

C527

CAP,CERAMIC,CHIP

ECCH0004904

1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP

GRM155R60J105KE19D

C528

CAP,CHIP,MAKER

ECZH0000830

33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H330JT

C529

CAP,CHIP,MAKER

ECZH0000830

33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H330JT

C530

CAP,CERAMIC,CHIP

ECCH0004904

1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP

GRM155R60J105KE19D

C531

CAP,CERAMIC,CHIP

ECCH0006201

4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP

C1608X5R0J475KT

C532

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C533

CAP,CHIP,MAKER

ECZH0001215

1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP

C1005X5R1A105KT

C534

CAP,CHIP,MAKER

ECZH0000801

220 pF,16V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1C221JT

C535

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C537

CAP,CHIP,MAKER

ECZH0001511

2.2 uF,10V ,Z ,Y5V ,HD ,1608 ,R/TP

C1608Y5V1A225ZT

C538

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C539

CAP,CERAMIC,CHIP

ECCH0005603

2.2 uF,10V ,K ,X5R ,TC ,1608 ,R/TP

GRM39X5R225K10

C540

CAP,TANTAL,CHIP

ECTH0002202

4.7 uF,10V ,M ,STD ,1608 ,R/TP

SYF-1A475M-RJ

C600

CAP,CERAMIC,CHIP

ECCH0002001

100000 pF,6.3V ,K ,B ,HD ,1005 ,R/TP

C1005JB0J104KT

C603

CAP,TANTAL,CHIP

ECTH0005201

33 uF,6.3V ,M ,L_ESR ,2012 ,R/TP , ,
,[empty] ,[empty]
,[empty] , ,2.2X1.1X1.1MM ,[empty] ,[empty]
,[empty]

TCTP0J336M8R

C604

CAP,CHIP,MAKER

ECZH0000830

33 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H330JT

C607

CAP,CHIP,MAKER

ECZH0001215

1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP

C1005X5R1A105KT

C609

CAP,TANTAL,CHIP

ECTH0004804

33 uF,10V ,M ,L_ESR ,3216 ,R/TP

TCTAL1A336M8R

C610

CAP,CERAMIC,CHIP

ECCH0000122

47 pF,50V,J,NP0,TC,1005,R/TP

MCH155A470JK

C611

CAP,CHIP,MAKER

ECZH0003501

1 uF,6.3V ,K ,X5R ,HD ,1608 ,R/TP

GRM39X5R105K6.3PT

C612

CAP,CHIP,MAKER

ECZH0000826

27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H270JT

C613

CAP,CHIP,MAKER

ECZH0000826

27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H270JT

C614

CAP,CERAMIC,CHIP

ECCH0002001

100000 pF,6.3V ,K ,B ,HD ,1005 ,R/TP

C1005JB0J104KT

C615

CAP,CHIP,MAKER

ECZH0001215

1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP

C1005X5R1A105KT

C617

CAP,CHIP,MAKER

ECZH0000813

100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H101JT

C618

CAP,CHIP,MAKER

ECZH0000813

100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H101JT

C619

CAP,TANTAL,CHIP

ECTH0001901

10 uF,6.3V ,M ,L_ESR ,1608 ,R/TP

F980J106MMA

C621

CAP,CHIP,MAKER

ECZH0001121

470 pF,50V ,K ,X7R ,HD ,1005 ,R/TP

C1005X7R1H471KT

C622

CAP,CERAMIC,CHIP

ECCH0002001

100000 pF,6.3V ,K ,B ,HD ,1005 ,R/TP

C1005JB0J104KT

C623

CAP,CHIP,MAKER

ECZH0000813

100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP

C1005C0G1H101JT

C624

CAP,CHIP,MAKER

ECZH0001121

470 pF,50V ,K ,X7R ,HD ,1005 ,R/TP

C1005X7R1H471KT

C625

CAP,CHIP,MAKER

ECZH0001121

470 pF,50V ,K ,X7R ,HD ,1005 ,R/TP

C1005X7R1H471KT

C626

CAP,CHIP,MAKER

ECZH0001121

470 pF,50V ,K ,X7R ,HD ,1005 ,R/TP

C1005X7R1H471KT

CON600

CONN,JACK/PLUG,
EARPHONE

ENJE0006401

, PIN, ,; ,4P ,[empty] ,STRAIGHT ,P/TR ,
,[empty] ,

KJA-PH-0-0147

CON602 CONNECTOR,I/O

ENRY0006401

18 PIN,0.4 mm,ANGLE , ,H=2.5,
Reverse Type

HSEJ-18S04-25R

D600

DIODE,SWITCHING

EDSY0009901

ESC ,80 V,300 A,R/TP ,1.6*0.8*0.6(t)

KDS160E

D601

DIODE,SWITCHING

EDSY0017701

SOD-123 ,40 V,1 A,R/TP , ,; , , , , , , ,[empty]
,[empty] ,2P ,1

SDB1040

D602

DIODE,TVS

EDTY0007401

SMD ,12 V,350 W,R/TP ,

SD12T1G

Z3X-BOX.COM

Internal Use Only

- 151-

Summary of Contents for VX5400

Page 1: ...Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes VX5400 Internal Use Only SERVICE MANUAL TRI BAND QUAD MODE PCS GPS CELLULAR AMPS CDMA MOBILE PHONE Z 3 X B O X C O M ...

Page 2: ...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 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 2 Only for training and serving purposes Z 3 X B O X C...

Page 3: ...requency 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 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 3 Z 3 X B O X C O M ...

Page 4: ...nd Disassembly diagram 132 2 Block and Circuit diagram 135 3 Part List 147 4 Component Layout 160 5 BGA Pin Map 169 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 4 Only for training and serving purposes Z 3 X B O X C O M ...

Page 5: ...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 Copyright 2007 LG Electronics Inc All right reserved LGE Internal ...

Page 6: ... 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 ...

Page 7: ...s 6dB OCT within 0 3 3kHz 1 2 9 AMPS Expander z Expansion Rate 1 2 z Attack Time within 3mS z Recovery Time within 13 5mS z Reference 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 ...

Page 8: ... 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 specif...

Page 9: ... 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 ...

Page 10: ...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 0...

Page 11: ... 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 ...

Page 12: ... AC Adapter See Appendix 1 7 Cigarret Lighter Adapter See Appendix 1 8 Portable Hands Free Kit Not Supported LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 12 Only for training and serving purposes Z 3 X B O X C O M ...

Page 13: ...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 bracke...

Page 14: ...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 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 14 Only for training and ...

Page 15: ...0 Î Press Send Î Press 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 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 15 Z 3 X B O X C O M ...

Page 17: ...OME SID and Press OK button 6 Insert the NAM 1 NAME for Edit and Press OK button Edit Î SAVE Î OK 7 If you want to enter the more item Press More key Otherwise Press Exit Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 17 Z 3 X B O X C O M ...

Page 18: ...E 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 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 18 Only for training and serving purposes Z 3 X B O X C O M ...

Page 19: ... 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 Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 19 Z 3 X B O X C O M ...

Page 20: ...out 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 LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 20 Only for training and serving purposes Z 3 X B O X C O M ...

Page 21: ...ct Yes or No and then press OK button 22 Use UP or DOWN key to select Yes or No and then Press OK button 23 Insert the NAM 1 AMPS PHONE NUMBER and press OK button Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 21 Z 3 X B O X C O M ...

Page 22: ...hannel and Press OK button 26 Use UP or DOWN key to select Yes or No and then press OK button 27 Insert the NAM 1 Access Overload Class and Press OK button LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved 22 Only for training and serving purposes Z 3 X B O X C O M ...

Page 23: ... Press OK button 29 Check Phone Model and Press OK button 30 Insert Slot Cycle Index and Press OK button 31 Press OK and then the phone will restart Copyright 2007 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and serving purposes 23 Z 3 X B O X C O M ...

Page 24: ...into digital signal by the analog to digital converter ADC A D Converter and the digital circuit part of the MSM Mobile Station Modem 6100 processes the data from ADC The digital processing part is a demodulator In the case of transmission RFT6100 receives OQPSK modulated anlaog signal from the MSM6100 The RFT6100 connects directly with MSM6100 using an analog baseband interface In RFT6100 the bas...

Page 25: ... frequency sensitivity and selectivity of mobile phone increase The specification of VX5400 Quintplexer described below z PCS band Tx Rx Tx to Rx min Pass Band 1850 1910 MHz 1930 1990 MHz Insertion Loss 3 9 dB max 4 2 dB max Return Loss 9 0 dB min 9 0dB min Attenuation 43 dB min 1930 1990MHz 52dB min 1850 1910MHz 54 dB 1850 1910MHz 45 dB 1930 1990MHz z Cellular band Tx Rx Tx to Rx min Pass Band 82...

Page 26: ...e three downconverting Mixers Cellular PCS and GPS and an LO Buffer Amplifier to buffer the RF VCO to the RF Transmit Upconverter The GPS LNA mixers offer the most advanced and integrated CDMA Rx solution designed to meet cascaded Noise Figure NF and Third order Intercept Point IIP3 requirements of IS 98C and J STD 018 specifications for Sensitivity Two Tone Intermodulation and Single tone Desense...

Page 27: ... After passing through the upconverters RF signal is inputted into the Power AMP z RFT6100 Cellular and PCS CDMA RF Specifications Condition Min Typ Max Units Rated Output Power Average CDMA Cellular Average CDMA PCS 8 10 dBm dBm Min Output Power Average CDMA Cellular Average CDMA PCS 80 78 dBm dBm Rx band noise power CDMA Cellular CDMA PCS 133 132 dBm Hz ACPR Cellular Fc 885kHz PCS Fc 1 25MHz 56 ...

Page 28: ...ls applied at the mixer ports are at the frequency different than the VCO frequency This assures that the VCO frequency is different than the RF frequency an important consideration for Zero IF processing The VCO frequency used are 1715 56 1768 89 MHz for PCS and 1738 08 1787 94 MHz for cellular 2 Digital Voice Processing Part 2 1 Overview The digital voice processing part processes the user s com...

Page 29: ...g part 2 3 Circuit Description 2 3 1 Keypad LCD and Receptacle Part Once the keypad is pressed the key signals are sent out to MSM6100 for processing In addition when the key is pressed the keypad LCD lights up through the use of 20 LEDs The terminal status and operation are displayed on the screen for the user with the characters and icons on the LCD Moreover it exchanges audio signals and data w...

Page 30: ...s scrambled by the long code PN sequence of the user in order to ensure the confidentiality of calls Moreover binary quadrature codes are used based on walsh functions in order to discern each channel Data created thus are 4 phase modulated by one pair of Pilot PN code and they are used to create I and Q data When received I and Q data are demodulated into symbols by the demodulator and then de in...

Page 31: ...ISC architecture both 32 bit ARM and 16 bit THUMB instruction sets a 32 bit address bus and a 32 bit internal data bus It has a high performance and low power consumption z MCP Flash ROM is used to store the terminal s program Using the down loading program the program can be changed even after the terminal is fully assembled SDRAM is used to store the internal flag information call processing dat...

Page 32: ...P HHP Test Channel 384 Test Band US Cellular SID 2004 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting Start 3 Check Control signal Redownload S W Cal NO 4 Check RF Signal path 5 Check Rx I Q data Mobile Switch Quintplexer RFL6000 RFR6000 32 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 33: ...it PMIC Test Point Test Point R328 R330 R516 R520 Circuit Diagram Circuit Diagram TP2 2 9V_RX TP1 PS_HOLD 33 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 34: ...2 9V_Rx OK Start PMIC circuit is Ok See next Page to check control signal Replace PMIC NO Charging Board NO Pin 10 High 34 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 35: ...O circuit Test Point Test Point C124 C115 Circuit Diagram Circuit Diagram TP1 VCC TP2 OUT 35 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 36: ...r to Logic troubleshoot YES NO NO Check X100 pin4 Is it 2 8V Refer to figure 4 1 1 b Replace X100 and then check C124 R104 YES Is it similar VCTCXO circuit is Ok See next page to check control signal YES Waveform Waveform 2 739V 19 23MHz Figure 4 1 1 a Figure 4 1 1 b 36 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O...

Page 37: ...nal Test Point Test Point SBST 24 SBCK 25 SBDT 26 RFR6000 U111 Circuit Diagram Circuit Diagram 37 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 38: ... Redownload S W NO Check pin24 25 26 at U111 Check if there is any major difference referring To Figure 4 1 1 c d Control signal is Ok See next page to check RF signal path YES Replace Main B D Waveform Waveform SBDT SBCK SBCK SBST Figure 4 1 1 c Figure 4 1 1 d 38 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 39: ...t Point Circuit Diagram Circuit Diagram PCS Tx DCN Tx PCS Rx DCN Rx TP1 TP2 TP3 Mobile Switch Quintplexer RFL6000 RFR6000 C101 L101 L104 39 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 40: ...O Check pin1 at U100 Check if there is any major difference referring To Figure 4 1 1 e Is any signal detected at that point YES Check L100 C101 NO Check pin2 at U101 Check if there is any major difference referring To Figure 4 1 1 f Is any signal detected at that point YES Replace U101 NO YES 40 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Intern...

Page 42: ...int Test Point Circuit Diagram Circuit Diagram TP1 TP2 TP3 TP4 RFL6000 U107 L119 L109 R103 L112 42 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 43: ... any major difference referring To Figure 4 1 1 c d NO LNA is O K Check the Rx I Q Signal Rx TEST SETUP HHP Test Channel 384 Test Band US Cellular SID 2004 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting Pin 9 and 15 are High YES Replace U107 Check PMIC and MSMP NO 43 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Onl...

Page 44: ...ta Test Point Test Point RFR6000 U111 RFR6000 U111 R124 R123 Circuit Diagram Circuit Diagram 44 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 45: ... and then recalibrate the Main B D NO Check if there is any major difference referring Replace Main B D YES All DCN Rx check is completed If the phone still do not work change Main B D Check pin 30 31 33 34 at U111 To Figure 4 1 1 g h 45 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 47: ...EST SETUP Joyphone Test Channel 675 Test Band US PCS SID 4182 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting Start 3 Check Control signal Redownload S W Cal NO 4 Check RF Signal path 5 Check Rx I Q data 47 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 48: ...it PMIC Test Point Test Point R328 R330 R516 R520 Circuit Diagram Circuit Diagram TP2 2 9V_RX TP1 PS_HOLD 48 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 49: ...2 9V_Rx OK Start PMIC circuit is Ok See next Page to check control signal Replace PMIC NO Charging Board NO Pin 10 High 49 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 50: ...O circuit Test Point Test Point C124 C115 Circuit Diagram Circuit Diagram TP1 VCC TP2 OUT 50 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 51: ...r to Logic troubleshoot YES NO NO Check X100 pin4 Is it 2 8V Refer to figure 4 1 2 b Replace X100 and then check C124 R104 YES Is it similar VCTCXO circuit is Ok See next page to check control signal YES Waveform Waveform 2 739V 19 23MHz Figure 4 1 2 a Figure 4 1 2 b 51 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O...

Page 52: ...Test Point SBST 24 SBCK 25 SBDT 26 RFR6000 U111 Circuit Diagram Circuit Diagram Circuit Diagram Circuit Diagram 52 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 53: ... Redownload S W NO Check pin24 25 26 at U111 Check if there is any major difference referring To Figure 4 1 2 c d Control signal is Ok See next page to check RF signal path YES Replace Main B D Waveform Waveform SBDT SBCK SBCK SBST Figure 4 1 2 c Figure 4 1 2 d 53 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 54: ...oint Mobile Switch Quintplexer RFL6000 RFR6000 C101 L101 L104 C106 PCS Tx DCN Tx PCS Rx DCN Rx Circuit Diagram Circuit Diagram TP1 TP2 TP3 54 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 55: ... Check pin1 at U100 Check if there is any major difference referring To Figure 4 1 2 e e Is any signal detected at that point YES Check L100 C101 NO Check pin3 at U101 Check if there is any major difference referring To Figure 4 1 2 f Is any signal detected at that point YES Replace U101 NO YES 55 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Inter...

Page 57: ...st Point Figure 4 6 RFL6000 U107 L115 L110 R103 L112 Circuit Diagram Circuit Diagram TP1 TP2 TP3 TP4 57 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 58: ... any major difference referring To Figure 4 1 2 c d NO LNA is O K Check the Rx I Q Signal Rx TEST SETUP HHP Test Channel 384 Test Band US Cellular SID 2004 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting Pin 9 and 15 are High YES Replace U107 Check PMIC and MSMP NO 58 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Onl...

Page 59: ...ta Test Point Test Point RFR6000 U111 RFR6000 U111 R124 R123 Circuit Diagram Circuit Diagram 59 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 60: ... and then recalibrate the Main B D NO Check if there is any major difference referring Replace Main B D YES All DCN Rx check is completed If the phone still do not work change Main B D Check pin 30 31 33 34 at U111 To Figure 4 1 2 g H 60 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 62: ... enter FCC Test Press 2 to enter CDMA FCC mode Set channel to 384 and AGC to 360 Measure frequency domain waveform with Spectrum analyser Measure time domain waveform with Oscilloscope Start 6 Check PAM Circuit Redownload S W Cal NO 8 Check Quintplexer and Mobile Switch 3 Check SBI Control Signal 5 Check SAW Filter 4 Check RFT 6100 62 Copyright 2007 LG Electronics Inc All right reserved Only for t...

Page 63: ...ly circuit PMIC Test Point Test Point Circuit Diagram Circuit Diagram TP1 TP2 TP2 R333 R541 R530 63 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 64: ...rcuit is OK See next Page to check VCTCXO circuit The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot NO NO YES 64 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 65: ...CTCXO circuit Test Point Test Point C124 C115 Circuit Diagram Circuit Diagram TP1 TP2 65 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 66: ...r to Logic troubleshoot YES NO NO Check X100 pin4 Is it 2 8V Refer to figure 4 2 1 b Replace X100 and then check C124 R104 YES Is it similar VCTCXO circuit is Ok See next page to check control signal YES Waveform Waveform 2 739V 19 23MHz Figure 4 2 1 a Figure 4 2 1 b 66 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O...

Page 67: ...Control Signal Test Point Test Point RFT_SBST SBDT SBCK Circuit Diagram Circuit Diagram 67 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 68: ... Signal is O K See next page No Check U204 NO YES Showed up Signal level is similar With Fig on Next page SBDT SBCK SBCK SBST Waveform Waveform Figure 4 2 1 c Figure 4 2 1 d 68 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 69: ... Point Test Point TX_I_P TX_I_M TX_Q_P TX_Q_M C171 C154 Circuit Diagram Circuit Diagram TP1 TP2 TP3 TP4 69 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 70: ...S NO YES Check pin 10 at U112 Almost 1volt level is show up Check pin 23 at U112 Output signal level is show up Refer to 4 2 1 f for DCN 4 2 1 g for Amps Replace U112 I Q Level is show up Refer to 4 2 1 e 70 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 71: ...Waveform Waveform Figure 4 2 1 e Figure 4 2 1 f Figure 4 2 1 g 71 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 72: ...g Flow Waveform Waveform Figure 4 2 1 h Check pin1 4 at F102 Referring to Figure 4 2 1 h Is it similar Start Replace F 102 RF Tx SAW is OK YES NO RF_OUT TP2 TP1 TP2 RF_IN TP1 72 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 73: ... Test Point Test Point RF_OUT RF_IN VBATT PA_R1 Circuit Diagram Circuit Diagram TP1 TP2 TP3 TP4 73 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 74: ...ext page YES Replace U109 YES Check pin 1 8at U109 Vcc whether it is higher than 3 4V Check Vcc line NO YES Check pin3 at U109 PA_R1 signal whether it is lower than 2 2V Check PA_R1 line NO YES Waveform Waveform Figure 4 2 1 i 74 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 75: ... Test Point Test Point Circuit Diagram Circuit Diagram PCS Tx DCN Tx PCS Rx DCN Rx TP1 TP2 TP3 TP1 TP2 TP3 75 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 76: ... K YES Check pin 1 at U101 Signal is detected Replace U101 NO YES NO YES Signal is detected Check pin 2 at U100 Signal is detected Replace U100 Waveform Waveform Figure 4 2 1 j 76 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 77: ...st Press 2 to enter CDMA FCC mode Set channel to 384 and AGC to 360 Measure frequency domain waveform with Spectrum analyser Measure time domain waveform with Oscilloscope Start 6 Check PAM Circuit Redownload S W Cal NO 8 Check Quintplexer and Mobile Switch 3 Check SBI Control Signal 5 Check SAW Filter 4 Check RFT 6100 77 Copyright 2007 LG Electronics Inc All right reserved Only for training and s...

Page 78: ...ly circuit PMIC Test Point Test Point R333 R541 R530 Circuit Diagram Circuit Diagram TP1 TP2 TP2 78 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 79: ...rcuit is OK See next Page to check VCTCXO circuit The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot NO NO YES 79 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 80: ...CTCXO circuit Test Point Test Point C124 C115 Circuit Diagram Circuit Diagram TP1 TP2 80 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 81: ...r to Logic troubleshoot YES NO NO Check X100 pin4 Is it 2 8V Refer to figure 4 2 2 b Replace X100 and then check C124 R104 YES Is it similar VCTCXO circuit is Ok See next page to check control signal YES Waveform Waveform 2 739V 19 23MHz Figure 4 2 2 a Figure 4 2 2 b 81 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O...

Page 82: ...Control Signal Test Point Test Point RFT_SBST SBDT SBCK Circuit Diagram Circuit Diagram 82 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 83: ... Signal is O K See next page No Check U204 NO YES Showed up Signal level is similar With Fig on Next page Waveform Waveform SBDT SBCK SBCK SBST Figure 4 2 2 c Figure 4 2 2 d 83 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 84: ...st Point Test Point TX_I_P TX_I_M TX_Q_P TX_Q_M C170 C154 Circuit Diagram Circuit Diagram TP1 TP2 TP3 84 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 85: ...ext page NO Replace U112 NO YES NO YES I Q Level is show up Check pin 10 at U112 Almost 1volt level is show up Check pin 23 at U112 Output signal level is show up Replace U112 85 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 86: ...Waveform Waveform Figure 4 2 1 e Figure 4 2 1 f 86 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 87: ...veform Waveform Figure 4 2 2 g RF_IN RF_OUT RF_IN TP1 RF_OUT TP2 TP1 TP2 Check pin1 4 at F103 Referring to Figure 4 2 2 g Is it similar Start Replace F 103 RF Tx SAW is OK YES NO 87 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 88: ... Test Point Test Point PA_R1 RF_IN VBATT RF_OUT Circuit Diagram Circuit Diagram TP1 TP2 TP3 TP4 88 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 89: ...ext page YES Replace U108 YES Check pin 1 8at U108 Vcc whether it is higher than 3 4V Check Vcc line NO YES Check pin3 at U108 PA_R1 signal whether it is lower than 2 2V Check PA_R1 line NO YES Waveform Waveform Figure 4 2 2 h 89 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 90: ... Test Point Test Point Circuit Diagram Circuit Diagram PCS Tx DCN Tx PCS Rx DCN Rx TP1 TP2 TP3 TP1 TP2 TP3 90 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 91: ...xer is O K YES Check pin 1 at U101 Signal is detected Replace U101 NO YES NO YES Signal is detected Check pin 2 at U100 Signal is detected Replace U100 Waveform Waveform 91 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 92: ...V_MSMP 2 6V_MSMA 2 8V_TCXO Circuit Diagram Circuit Diagram Test point Test point 1 86V_MSMC 1 86_MSMC 2 6V_MSMP 2 9V_RX 2 6V_MSMA 2 8V_TCXO R529 R520 R518 R538 L500 92 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 93: ...of U500 High Does it work properly Charge of Change Battery and try again Check the contact of power key Replace U500 Re download software andtry again The Phone will power on Does it work properly Re download software andtry again Re download software andtry again YES NO NO NO NO NO NO YES YES YES YES YES 93 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purpos...

Page 94: ...Diagram Circuit Diagram Test point Test point Pin4 CON 601 U603 Battery Vcc U603 CON601 D602 D602 94 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 95: ...ON602 The charging adaptor TA is out of order Replace U500 Charging will operate properly Check the soldering Replace U603 Re solder U603 The battery may have the problem Change the battery and try again YES NO YES NO NO NO NO NO YES YES YES YES Change the charging adaptor 95 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O...

Page 96: ...it Diagram Circuit Diagram Test point Test point CON700 U402 RCV RCV C427 U402 C427 C708 C707 CON700 96 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 97: ...e soldering at C427 Resolder C427 Check wheter the internal lines of FPCB are OPEN or not between the pin 62 63 of 64 pin connector and The receiver pad RCV RCV NO YES YES Replace Receiver Check the soldering of receiver Resolder receiver NO NO YES YES Replace the U402 NO Check the signal at RCV RCV_ 97 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE...

Page 98: ...am SPK 4 3 4 AUDIO Speaker Trouble Test point Test point SPK U403 C423 C424 R438 C423 R438 C424 98 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 99: ... PIN BYPASS of U403 Check the soldering of PIN Vcc of C424 Resoldering U403 Replace MSM Check the soldering of PIN STANDBY of U403 Check the soldering of R438 Replace MSM Resoldering R438 Check the signal level of PIN Vout 1 2 of U403 Replace U403 Check the state of contact Of speaker Speaker will work properly Resoldering contact of speaker pad on LCD module 99 Copyright 2007 LG Electronics Inc A...

Page 100: ...cuit Diagram Test point Test point MIC Bias MIC PAD MIC PAD MIC FILTER NETWORK M400 R418 R416 R415 R416 R418 100 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 101: ...heck the soldering at R415 Resolder R514 Replace MSM Check the signal level at Each side of MIC Resolder M400 Check the soldering of C415 C416 Resolder C415 C416 Check the soldering of MIC filter part Resolder MIC filter part MIC will work properly 101 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 102: ...7 EAR_L 4 3 6 AUDIO Earphone Trouble Test point Test point Q600 CON600 C603 R627 R628 Q600 R627 R628 102 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 103: ...oice from the earphone Change Earphone Set the audio part of the test equipment to continuous wave mode Earphone receiving Path problem Can you hear the sound from the earphone Earphone sending path problem 1 4 2 3 Yes No Yes No Yes Yes Yes Yes Earphone receiving path problem 2 Level of C603 is about 1 2V Check soldering of Pin 3 of CON600 Change main board Download S W Re soldering of Pin 3 of CO...

Page 104: ...phone detect problem Earphone sending path problem 3 Level pin4 of CON600 is about 2 6V Level of C313 is About a few tens or hundreds VAC Re solder R627 R628 Re solder C313 Does it work well Re download software Does it work well 4 Change main board No No Yes Yes Yes Yes No No No No Yes Yes Yes 104 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Inte...

Page 105: ...ircuit Diagram Circuit Diagram 4 3 7 VIBRATOR TROUBLE Q601 R601 R602 R603 Q601 R601 R603 Q602 105 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 106: ...vibrator Replace Q601 Q602 Re contact vibrator Re solder R601 R602 R603 YES YES YES NO NO NO Change the main board YES Start Is the voltage of LCD s vibrator contact point about 3 5V Rplace the FPCB YES YES Rplace the vibrator The vibrator will work properly 106 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 107: ...point LED412 LED408 LED409 LED405 LED412 LED400 LED418 LED414 LED404 LED401 LED402 LED403 LED407 LED406 LED413 LED410 LED419 LED4115 LED411 LED417 107 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 108: ...ORK PROPERLY Charge of Change Battery and try again Check the soldering of each R or replace LEDs not working Check the condition of Q400 R424 If problem Change Q400 R424 No No No Yes Yes Yes 108 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 109: ...CD_RESET1 MLCD_CS WE2 OE2 SLCD_CS Check point The assembly status of the LCD Module The Soldering of connector The Soldering of EMI Filters FPCB F705 F700 F701 F700 F701 F704 F705 109 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 110: ...F704 F705 R700 R701 R702 R703 R704 Check CON700 soldering Re soldering CON700 Soldering F700 F701 F704 F705 R700 R701 R702 R703 R704 Is good No Yes Yes Checking Flow Does LCD work properly Change the LCD Module LCD Display will work Does LCD work properly Yes No Yes Yes No Yes No 110 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z...

Page 111: ...ram Test point Test point 4 3 10 CAMEARA TROUBLE F703 F702 F706 C539 C538 X100 F703 F702 F706 111 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 112: ... connecting status of Camera Module and FPCB Yes Resoldering the U501 No No Yes Check the connecting status of CON700 And FPCB Re connecting the CON700 and FPCB No Re connecting the camera and FPCB Camera work good Change the FPCB Yes Yes No Yes Camera work good Change the Camera module Yes No 112 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Inter...

Page 113: ...SB_D USBD 5V_USB 2 6V_MSMA USB_DATA 4 3 11 USB TROUBLE X200 C525 USB_SUSPEND USB_OE C532 C523 R534 R535 Q500 113 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 114: ...t Test point C525 C528 C532 R535 R534 Q500 C523 USB wave form USB wave form 114 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 115: ...dering X200 R300 Re soldering X200 R300 Replace X200 R300 NO YES Check the soldering U500 Re soldering U500 YES NO Replace U500 Re soldering U500 Check the soldering U500 NO YES X200 is working Oscillator frequency 48 MHz Logic level at USB_SUSPEND Low The USB interface will work properly 115 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal U...

Page 116: ...ted Standard The design of your phone complies with this updated Standard Of course if you want to limit RF exposure even further than the updated ANSI Standard you may choose to control the duration of your calls and operation your phone in the most power efficient manner Efficient Phone Operation For your phone to operate at the lowest power level consistent with satisfactory call quality please...

Page 117: ... not use it in the air To prevent possible interference with aircraft systems US Federal Aviation Administration FAA regulations require you to have permission from a crew member to use your phone while the plane is on the ground Using your phone while the plane is in the air Children Do not allow children to play with your phone It is not a toy Children could hurt themselves or others by poking t...

Page 118: ...py of this standard contact the National Fire Protection Association One Battery march Park Quincy MA 02269 Attn Publication Sales Division Rule of Thumb Using common sense at all times when handling installing or using the phone Any questions should be directed to you nearest Service Center or authorized service technician or electrician 118 Copyright 2007 LG Electronics Inc All right reserved On...

Page 119: ...l for an access probe An Access Channel slot consists of an integer number of frames The transmission of an access probe is performed within the boundaries of an Access Channel slot Access Probe One Access Channel transmission consisting of a preamble and a message The transmission is an integer number of frames in length and transmits one Access Channel message See also Access Probe Sequence and ...

Page 120: ... station used for communicating with mobile stations Depending upon the context the term base station may refer to a cell a sector within a cell an MSC or other part of the Cellular system See also MSC Base Station Authentication Response AUTHBS An 18 bit pattern generated by the authentication algorithm AUTHBS is used to confirm the validity of base station orders to update the Shared Secret Data...

Page 121: ...polynomial division Data Burst Randomizer The function that determines which power control groups within a frame are transmitted on the Reverse Traffic Channel when the data rate is lower than 9600 bps The data burst randomizer determines for each mobile station the pseudo random position of the transmitted power control groups in the frame while guaranteeing that every modulation symbol is transm...

Page 122: ...tation to allow for the addition of new system features and operational capabilities Fade Timer A timer kept by the mobile station as a measure of Forward Traffic Channel continuity If the Fade timer expires the mobile station drops the call Flash An indication sent on an analog voice channel or CDMA Traffic Channel indicating that the user Directed the mobile station to invoke special processing ...

Page 123: ...d between disjoint Active Sets the CDMA frequency assignment changes the frame offset changes or the mobile station is directed from a CDMA Traffic Channel to an analog voice channel See also Soft Handoff Hash Function A function used by the mobile station to select one out of N available resource The hash function distributes the available resources uniformly among a random sample of mobile stati...

Page 124: ...e part of the message contained between the length field MSG_LENGTH and the CRC field Message Capsule A sequence of bits comprising a single message and padding The padding always follows the message and may be of zero length Message CRC The CRC associated with a message See also Cyclic Redundancy Check Message Field A basic named element in a message A message field may consist of zero or more bi...

Page 125: ...ded as long as it is fully contained within a system See also System Network Identification NID A number that uniquely identifies a network within a Cellular system See also System Identification NID See Network Identification Non Autonomous Registration A registration method in which the base station initiates registration See also Autonomous Registration Non Slotted Mode An operation mode of the...

Page 126: ...in the slotted mode are assigned specific slots in which day monitor messages from the base station Parameter Change Registration A registration method in which the mobile station registers when certain of its stored parameters change Parity Check Bits Bits added to a sequence of information bits to provide error detection correction or both Persistence A probability measure used by the mobile sta...

Page 127: ...ins the ESN of the mobile station See also Private Long Code Mask and Long Code Punctured Code An error correcting code generated from another error correcting code by deleting i e puncturing code symbols from the code output Quick Repeats Additional transmissions of identical copies of a message within a short interval to increase the probability that the message is received correctly Receive Obj...

Page 128: ...tion and the base station on the Traffic Channel See also Primary Traffic and Signaling Traffic Seizure Precursor The initial digital sequence transmitted by a mobile station to a base station on a reverse analog control channel Seizure Option A service capability of the system Service options may be applications such as voice data or facsimile Shard Secret Data SSD A 128 bit pattern stored in the...

Page 129: ...s Indicates whether a mobile station must terminate the call when it is on an analog voice channel Supervisory Audio Tone SAT One of three tones in the 6 kHz region that is transmitted on the forward analog voice channel by a base station and transponder on the reverse analog voice channel by as mobile station Supplementary Digital Color Code SDCC1 SDCC2 Additional bits assigned to increase the nu...

Page 130: ...ase station in support of the Unique Challenge Response procedure Universal Coordinated Time UTC An internationally agreed upon time scale maintained by the Bureau International de l Heure BIH used as the time reference by nearly all commonly available time and frequency distribution systems i e WWW WWVH LORAN C Transit Omega and GPS UTC Universal Temps Coordine See Universal Coordinated Time Voic...

Page 131: ...nd Disassembly diagram 2 Block and Circuit diagram 3 Part List 4 Component Layout 5 BGA Pin Map 131 Copyright 2007 LG Electronics Inc All right reserved Only for training and serving purposes LGE Internal Use Only Z 3 X B O X C O M ...

Page 132: ...1 Assembly and Disassembly Diagram 132 Internal Use Only Z 3 X B O X C O M ...

Page 133: ...Z 3 X B O X C O M Internal Use Only ...

Page 134: ...Z 3 X B O X C O M Internal Use Only ...

Page 135: ...2 Block and Circuit Diagram 135 Internal Use Only Z 3 X B O X C O M ...

Page 136: ... 136 Internal Use Only Z 3 X B O X C O M ...

Page 137: ...VX5400 Circuit Diagram 1 VX5400 Main PCB Rev 1 0 2 VX5400 sub_fpcb Rev 1 0 3 VX5400 mod_fpcb Rev 1 0 4 VX5400 cam_key Rev 1 0 5 VX5400 vol_key Rev 1 0 Internal Use Only 137 Z 3 X B O X C O M ...

Page 138: ...Z 3 X B O X C O M CDMA ant DCN Tx DCN Rx PCS Tx PCS Rx GPS Internal Use Only 138 ...

Page 139: ...Z 3 X B O X C O M Internal Use Only 139 ...

Page 140: ...Z 3 X B O X C O M Internal Use Only 140 ...

Page 141: ...Z 3 X B O X C O M Internal Use Only 141 ...

Page 142: ...Z 3 X B O X C O M Internal Use Only 142 ...

Page 143: ...Z 3 X B O X C O M Internal Use Only 143 ...

Page 144: ... 144 Z 3 X B O X C O M ...

Page 145: ... 145 Z 3 X B O X C O M ...

Page 146: ... 146 Z 3 X B O X C O M ...

Page 147: ...3 Part List 147 Internal Use Only Z 3 X B O X C O M ...

Page 148: ...005C0G1H010CT C124 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP MCH155CN102KK C125 CAP CHIP MAKER ECZH0026301 4 7 uF 6 3V Z Y5V HD 1608 R TP C1608Y5V0J475ZT C127 CAP CERAMIC CHIP ECCH0002001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C129 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP C1005C0G1H101JT C130 CAP CERAMIC CHIP ECCH0002002 47000 pF 10V K B HD 1005 R TP C1005JB1...

Page 149: ...TP C1005JB0J104KT C181 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP MCH155A470JK C182 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP C1005C0G1H101JT C183 CAP CERAMIC CHIP ECCH0002001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C184 CAP TANTAL CHIP ECTH0004801 10 uF 6 3V M STD 1608 R TP TCM0J106M8R C185 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP MCH155A470JK...

Page 150: ...F 6 3V K B HD 1005 R TP C1005JB0J104KT C411 CAP CERAMIC CHIP ECCH0002001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C412 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP CV105X5R475M10AT C413 CAP CHIP MAKER ECZH0003501 1 uF 6 3V K X5R HD 1608 R TP GRM39X5R105K6 3PT C414 CAP CHIP MAKER ECZH0003503 1 uF 25V K X5R HD 1608 R TP GRM39X5R105K25PT C415 CAP CERAMIC CHIP ECCH0000179 22 nF 16V...

Page 151: ...2001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C603 CAP TANTAL CHIP ECTH0005201 33 uF 6 3V M L_ESR 2012 R TP empty empty empty 2 2X1 1X1 1MM empty empty empty TCTP0J336M8R C604 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP C1005C0G1H330JT C607 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP C1005X5R1A105KT C609 CAP TANTAL CHIP ECTH0004804 33 uF 10V M L_ESR 3216 R TP TCTAL1A33...

Page 152: ...4721 2 2 nH S 1005 R TP 1005GC2T2N2S00 L114 INDUCTOR CHIP ELCH0004717 82 nH J 1005 R TP 1005GC2T82NJ00 L115 INDUCTOR CHIP ELCH0004715 27 nH J 1005 R TP 1005GC2T27NJ00 L116 FILTER BEAD CHIP SFBH0000903 600 ohm 1005 HB 1M1005 601JT L117 INDUCTOR CHIP ELCH0004705 8 2 nH J 1005 R TP 1005GC2T8N2J00 L118 INDUCTOR CHIP ELCH0004704 4 7 nH S 1005 R TP 1005GC2T4N7S00 L119 INDUCTOR CHIP ELCH0004706 10 nH J 1...

Page 153: ...MZSJ101 R123 RES CHIP MAKER ERHZ0003202 5 76 Kohm 1 16W F 1005 R TP MCR01MZSF5761 R124 RES CHIP MAKER ERHZ0003202 5 76 Kohm 1 16W F 1005 R TP MCR01MZSF5761 R125 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP MCR01MZSJ102 R126 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP MCR01MZSJ103 R127 RES CHIP MAKER ERHZ0000401 0 ohm 1 16W J 1005 R TP MCR01MZSJ000 R129 RES CHIP MAKER ERHZ0000203 10...

Page 154: ... 16W J 1005 R TP MCR01MZSJ100 R605 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 ICVN0505X150FR R606 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 ICVN0505X150FR R607 RES CHIP MAKER ERHZ0000444 22 Kohm 1 16W J 1005 R TP MCR01MZSJ223 R609 RES CHIP MAKER ERHZ0000444 22 Kohm 1 16W J 1005 R TP MCR01MZSJ223 R610 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP MCR01MZSJ472 R611 RES CHIP MAKER ERHZ0000405 ...

Page 155: ...E0MF1P 6SH0E U401 MODULE ETC SMZY0011901 Bluetooth RF Module 3 8x3 85x1 15 EWSCCBQXX U402 IC EUSY0300101 WQFN 10 PIN R TP Small package Dual SPDT analog Switch PB Free NLAS5223BMNR2G U403 IC EUSY0281501 Spk AMP AB Class mono 1 2W 9 PIN R TP TS4990IST U500 IC EUSY0284701 Thin QFN 40 PIN R TP PMIC MAX1829ETL T U501 IC EUSY0263603 QFN 28 PIN R TP 4x4 6port 150mA Flash 300mA RN5T662 U602 IC EUSY031920...

Page 156: ... K B HD 1005 R TP C1005JB0J104KT C715 CAP CERAMIC CHIP ECCH0002001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C718 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP C1005C0G1H270JT C719 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP C1005C0G1H270JT C722 CAP CERAMIC CHIP ECCH0002001 100000 pF 6 3V K B HD 1005 R TP C1005JB0J104KT C723 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 T...

Page 157: ...HIP MAKER ERHZ0000474 390 ohm 1 16W J 1005 R TP MCR01MZSJ391 R444 RES CHIP ERHY0003501 220 ohm 1 16W J 1005 R TP MCR01MZSJ221 R446 RES CHIP MAKER ERHZ0000474 390 ohm 1 16W J 1005 R TP MCR01MZSJ391 R447 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP MCR01MZSJ471 R448 RES CHIP MAKER ERHZ0000464 330 ohm 1 16W J 1005 R TP MCR01MZSJ331 R449 RES CHIP MAKER ERHZ0000464 330 ohm 1 16W J 1005 R TP MCR...

Page 158: ...HIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP MCR01MZSJ121 R704 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP MCR01MZSJ121 R706 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP MCR01MZSJ101 SPFY00 PCB MAIN SPFY0148001 FR 4 0 8 mm BUILD UP 8 MAIN SPFY0148001 U600 IC EUSY0268102 TSOT23 3 3 PIN R TP Low Profile 1 0T CMOS Hall Switch Pb Free TK60015CS80L WSYY00 SOFTWARE WSYY0553401 VX540V01 09 ...

Page 159: ...5C0G1H330JT CON100 CONNECTOR BOARD TO BOARD ENBY0019501 20 PIN 4 mm ETC H 1 5 Socket AXK720147G CON101 CONNECTOR BOARD TO BOARD ENBY0035901 40 PIN 0 4 mm ETC H 1 0 Plug GB042 40P H10 E3000 X100 OSCILLATOR EXSY0021303 24 MHz 50 PPM 15 pF SMD 3 2 2 5 1 0 2 3V 3 2V CSC6R240000BEVRS00 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0042801 CON102 CONNECTOR BOARD TO BOARD ENBY0042101 64 PIN mm STRAIGHT 0 40MM STR...

Page 160: ...4 Components Layout 160 Z 3 X B O X C O M ...

Page 161: ... VC 2R8Z91 1751R U500 PMIC MAX1829ETL T No pwr on No charge X100 X tal DSA3215CE 19 2M X200 RESONATOR CON600 EAR JACK No sound U107 RFL 6000 F100 SAW FILTER SFSB0001201 Can t receive signal Can t make a call Q605 S W KRX102U U603 TR NTHS5441T1G CON602 CONNECTOR HSEJ 18S04 25R No charge F101 GPS SAW B9000 Can t receive GPS signal Q100 INVERTER TC7SH04FU U403 AUDIO AMP TS499OIST No sound U501 LCD B ...

Page 162: ...M400 MICROPHONE No voice sound CON700 64PIN B TO B CONNECTOR Can t display LCD Can t operate Camera U600 HALL IC TK60015CS8 Cant detect Folder open 162 Z 3 X B O X C O M ...

Page 163: ... 163 Z 3 X B O X C O M ...

Page 164: ... 164 Z 3 X B O X C O M ...

Page 165: ... 165 Z 3 X B O X C O M ...

Page 166: ... 166 Z 3 X B O X C O M ...

Page 167: ... 167 Z 3 X B O X C O M ...

Page 168: ... 168 Z 3 X B O X C O M ...

Page 169: ...5 BGA Pin MAP 169 Z 3 X B O X C O M ...

Page 170: ...1 U300 MSM6100 90NM EUSY0152202 USED NOT USED 170 Z 3 X B O X C O M ...

Page 171: ...2 U300 HYC0SEE0MF1P 6SH0E EUSY0322101 USED NOT USED NC 171 Z 3 X B O X C O M ...

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