LG LG511C Service Manual Download Page 102

Page: 102 / 171

LG Electronics Inc.

LN510

101

/168

Checking Flow

Replace QSC

Yes

Re-solder C4010, C4011

Re-solder U4002

START

Voltage atC4013

Is about 3.4~4.2V

Replace
C4013

Check the audio signal at

C4010, C4011

Check the Soldering of

C4010,C4011

Check the audio signal at,

L4003,L4004

Check the Soldering

of U4002

Replace
U4002

Check the state

Of contact of speaker

Speaker will work

properly

Yes

SETTING : “Melody on” at sounds of test menu.

Yes

LG511C

Summary of Contents for LG511C

Page 1: ...Internal Use Only Service Manual LG511C Date September 2011 Issue 1 0 ...

Page 2: ...ination Part Amplifier Catalogue included 6 Functions of Major Semi Conductors 7 Frequency Stability CELLULAR 0 5PPM PCS 0 1PPM 1 Wave Type CELLULAR G7W PCS G7W 2 Frequency Scope NAND 2Gbit DDR 1Gbit Storing of terminal operation program MCP H8BCS0SI0BAR 46M Terminal operation control and digital signal processing Converts RF signal to baseband signal Converts baseband signal to RF signal QSC6075T...

Page 3: ...LG Electronics Inc LN5 2 168 CDMA Mobile Subscriber Unit LN510 SERVICE MANUAL SERVICE MANUAL Triple BAND Triple Mode PCS Cellular GPS CDMA MOBILE PHONE LG511C LG511C ...

Page 4: ...26 2 Digital Voice Processing Part 37 Chapter 4 Trouble Shooting 4 1 RX PART TROUBLE 41 4 1 1 DCN Rx 41 4 1 2 PCS Rx 50 4 2 TX PART TROUBLE 59 4 2 1 DCN Tx 59 4 2 2 PCS Tx 73 4 3 LOGIC PART TROUBLE 87 4 3 1 Power 87 4 3 2 LCD 93 4 3 3 Camera 96 4 3 4 Touch 98 4 3 5 Audio 100 4 3 6 Vibrator 111 4 3 7 QWERTY Key Trouble 113 4 3 8 Bluetooth 115 Chapter 5 Safety 118 Chapter 6 Glossary 121 Appendix 133...

Page 5: ...users in the same specific area resulting that it increases the capacity 10 times more compared with that in the analog mode currently used Soft Softer Handoff Hard Handoff and Dynamic RF power Control technologies are combined into this phone to reduce the call being interrupted in a middle of talking over the phone Cellular and PCS CDMA network consists of MSO Mobile Switching Office BSC Base St...

Page 6: ...nology under the interference limited environment It can process more number of subscribers compared to other systems TDMA system has the processing capacity three times greater than the existing FDMA system whereas CDMA system about 12 15 times of that of the existing system CDMA system can be explained as follows TDMA or CDMA can be used to enable each person to talk alternately or provide a sep...

Page 7: ...smit power control on all the mobile stations the system capacity can be maximized If the signal power of mobile station is received too strong the performance of that mobile station is improved However because of this the interference on other mobile stations using the same channel is increased and accordingly the call quality of other subscribers is reduced unless the maximum accommodation capac...

Page 8: ...r CDMA signals and as a result improve system performance capacity increased by about two times 2 4 Protecting Call Confidentiality Voice privacy is provided in the CDMA system by means of the private long code mask used for PN spreading Voice privacy can be applied on the traffic channels only All calls are initiated using the public long code mask for PN spreading The mobile station user may req...

Page 9: ...ee times 2 7 Soft Capacity The subscriber capacity of the CDMA system is flexible depending on the relation between the number of users and service classes For example the system operator can increase the number of channels available for use during the busy hour despite the drop in call quality This type of function requires 40 of normal call channels in the standby mode during the handoff in an e...

Page 10: ...e ratio The carrier wave of pilot channel from the cell site most adjacently located is demodulated in order to obtain the sequence of encoded data symbols During the operation with one cell site the searcher searches out multi paths in accordance with terrain and building reflections On three data receivers the most powerful 3 paths are allocated for the parallel tracing and receiving Fading resi...

Page 11: ...ELLULAR MAX POWER IDLE SLEEP 4 1 5 Operating Temperature 20 C 50 C 4 1 6 Frequency Stability 1 CDMA 0 5PPM 2 PCS 0 1PPM 4 1 7 Antenna Internal Antenna 50 4 1 8 Size and Weight 1 Size 107 7 x 55 x 16 1 mm 2 Weight 130g 4 1 9 Channel Spacing 1 CELLULAR 1 25MHz 2 PCS 1 25 MHz 4 1 10 Battery Type Capacity and Operating Time Unit Hours Minutes 150 Min typical duplexer 10dBm output DCN Slot Cycle 2 150 ...

Page 12: ...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 4 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 4 2 6 Spurious Wave Suppression Maximum of 80dB 4 2 7 CDMA Input Signal Range Dynamic area of more than 104 25 dB 79dB at t...

Page 13: ...ode 837 120 838 350 839 580 840 810 842 040 843 270 844 500 845 910 847 140 848 370 404 445 486 527 568 609 650 697 738 779 824 640 825 870 827 100 828 330 829 560 830 790 832 020 833 250 834 480 835 890 1011 29 70 111 152 193 234 275 316 363 Center Freq MHz Ch Center Freq MHz Ch 4 4 2 PCS mode 1898 75 975 1878 75 575 1858 75 175 1897 50 950 1877 50 550 1857 50 150 1896 25 925 1876 25 525 1856 25 ...

Page 14: ...270 889 500 890 910 892 140 893 370 404 445 486 527 568 609 650 697 738 779 869 640 870 870 872 100 873 330 874 560 875 790 877 020 878 250 879 480 880 890 1011 29 70 111 152 193 234 275 316 363 Center Freq MHz Ch Center Freq MHz Ch 4 5 2 PCS mode 1981 25 1025 1961 25 625 1941 25 225 1980 00 1000 1960 00 600 1940 00 200 1978 75 975 1958 75 575 1938 75 175 1977 50 950 1957 50 550 1937 50 150 1976 2...

Page 15: ...1986 25 1125 1966 25 725 1946 25 325 1985 00 1100 1965 00 700 1945 00 300 1983 75 1075 1963 75 675 1943 75 275 1982 50 1050 1962 50 650 1942 50 250 4 5 3 GPS mode 1575 42 MHz 4 5 4 Bluetooth mode 2400 MHz 2483 5 MHz 4 6 AC Adaptor See Appendix 4 7 Cigar Lighter Charger See Appendix 4 8 Hand Free Kit LG511C ...

Page 16: ...adle 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 bracket on the selected area Then with the four machine screws provided mount the counterpart on the reverse side of the reverse side of the cr...

Page 17: ... 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 5 3 5 2 Antenna Cable Connection Connect the antenna coupler cable connector from the cradle to the external antenna connector Antenna is not included LG511C ...

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Page 23: ...G GuhtXG U uhtX jkth w U joh X_UGuhtXGwysGl uhtX wys l U Y_Z G G G GuhtXGwysGl U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U uhtX jkth z Ujoh X UGjkthGo GzpkVupk X G G G GuhtXGo GzpkVupkG U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U uhtX jkth w Ujoi Z_ LG Electronics Inc 22 168 LG511C ...

Page 24: ...G G GuhtXG U uhtX jkth z Ujoh YXUGs GzpkVupk s zpkVupk U G G Gs GzpkVupkG U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U s zpkVupk p a W zpk a W YYUGuhtXGo Gz UGy U upkGaG Z G G G GuhtXGo Gz Gy U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U uhtX o z y U u LG Electronics Inc 23 168 LG511C ...

Page 25: ...i ˉG G G GuhtXG U uhtX m zpk y Y UGuhtXGm upkGy uhtX m upk y U u G G GuhtXGm GupkGy U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U uhtX m upk y Y UGuhtXGhjjGv j G G G GuhtXGh Gv Gj U w G ˈvrˉG G G GuhtXG U w G ˈi ˉG G G GuhtXG U uhtX h v j W LG Electronics Inc 24 168 LG511C ...

Page 26: ...YG G U w G ˈi ˉG G GuhtYG G U G GuhtYG G GuhtXG U uhtYGz Y UGw Gt w t u U uhtYGz G G G Gw Gt Gu U w G ˈvrˉG G G G U w G ˈi ˉG G G G U w Gt Y_UGz Gj Gp X G G Gz Gj Gp U w G ˈvrˉG G Gz Gj Gp U w G ˈi ˉG G G G U z Gj Gp Y LG Electronics Inc 25 168 LG511C ...

Page 27: ...ion mixer in QSC6075T in order to create Base band frequency Then this signal is changed into digital signal by the analog to digital converter ADC A D Converter and the digital circuit part of the QSC Qualcomm Single Chip 6075T processes the data from ADC The digital processing part is a demodulator In the case of transmission RF transmitter in QSC6075T receives QPSK modulated analog signal from ...

Page 28: ...LG Electronics Inc LN510 27 168 Figure 1 1 Block Diagram of LG511C LG511C ...

Page 29: ... cellular band duplexer into a single miniature package with a single antenna port The main function of quadplexer is to prohibit the other band signals from flowing into the one band circuit and vice versa RF designer can use common dual band antenna regardless of frequency band 800 and 1900 MHz The specification of quadplexer is described below LG511C ...

Page 30: ...LG Electronics Inc LN510 29 168 LG511C ...

Page 31: ...ing Conditins 2 o C o C 40 to 100 40 to 85 Parameter Unit Value Operating temperature Tc 3 TxPower 29dBm Operating temperature Tc 3 TxPower 30dBm Absolute Maximum Rating 1 Storage temperature Maximum RF Input Power to TxPorts o C dBm 65 to 125 33 Parameter Unit Value ...

Page 32: ...stics of Low Noise Amplifier LNA are low noise figure high gain high intercept point and high reverse isolation The frequency selectivity characteristic of mobile phone is mostly determined by LNA The specification of LG LG511C LNAs are described below 1 2 2 1 Cellular CDMA LNA performance specifications LG511C ...

Page 33: ... 3 GPS LNA U1302 The characteristics of Low Noise Amplifier LNA are low noise figure high gain high intercept point and high reverse isolation The frequency selectivity characteristic of mobile phone is mostly determined by LNA The specification of LG GPS LNA is described below LG511C ...

Page 34: ...usually called image filter 1 2 6 RF Receiver U2001 The circuit functions of the RF Receive in QSC6075T include Rx Automatic Gain Controller AGC with 90 dB dynamic range quadrature RF mixers down conversion mixer from RF to base band low pass filters and Analog to Digital Converters ADC for converting to digital base band The RFR includes clock generators that drive the digital processor and a VCO...

Page 35: ...rol through an 85 dB VGA As added benefit the single sideband upconversion eliminates the need for a band pass filter normally required between the upconverter and driver amplifier I I Q and Q signals proceed from the QSC6075 are analog signal In CDMA mode These signals are modulated by Quadrature Phase Shift King QPSK I and Q are 90 deg out of phase and I and I are 180 deg Tx IF signal can be obt...

Page 36: ...Microwave Integrated Circuit for which RF input terminal and internal interface circuit are integrated onto one IC after going through the AlGaAs GaAs HBT heterojunction bipolar transistor process The module of power amplifier is made up of an output end interface circuit including this MMIC The maximum power that can be inputted through the input terminal is 10dBm and conversion gain is about 28d...

Page 37: ...iation of mobile phone can be compensated by TCXO The reference frequency of a mobile phone is 30 85 C The receives frequency tuning signals called TRK_LO_ADJ from QSC6075 as 0 5V 2 5V DC via R and C filter in order to generate the reference frequency of 19 2MHz and input it into the frequency synthesizer of UHF band Frequency stability depending on temperature is 1 5 ppm LG511C ...

Page 38: ...nal sources 2 2 2 Voice Processing Part The voice processing part is made up of an audio codec used to convert MIC signals into digital voice signals and digital voice signals into analog voice signals amplifying part for amplifying the voice signals and sending them to the ear piece amplifying part that amplifies ringer signals coming out from QSC6075T and amplifying part that amplifies signals c...

Page 39: ...ore It supports both CDMA and GPS operating in both the cellular and PCS spectrums The subsystems within the QSC6075T include a CDMA processor a multi standard Vocoder an integrated CODEC with earpiece and microphone amplifiers general purpose ADC for subsytem monitoring an ARM926 EJS microprocessor and both Universal Serial Bus USB and an RS 232 serial interfaces supporting forward and reverse li...

Page 40: ...he PWR_ON_SW signal and then the LDO regulators embedded in PM circuit are operated and 1 3V_MSMC 2 6V_MSMP 1 8V_MSME1 and 2 1V_MSMA are generated The Rx part 2 1V_RFRX and Tx part voltage 2 1V_RFTX are regulated by QSC6075T 2 3 6 Logic Part The logic part consists of internal CPU of QSC RAM MCP The QSC6075T receives TCXO 19 2MHz from U1501 and controls the phone in both CDMA and GPS modes The maj...

Page 41: ...mbled SDRAM is used to store the internal flag information call processing data and timer data KEYPAD For key recognition key matrix is setup using Qwerty Chip BU1851GUW 2 LEDs and backlight circuitry are included in the keypad for easy operation in the dark LCD MODULE LCD module contains a controller which will display the information onto the LCD by 16 bit data from the QSC6075T ...

Page 42: ...DCN Rx Test Point Test Point Check flow Check flow 1 Check DC Power Supply circuit 2 Check VCTCXO Rx TEST SETUP HHP Test Channel 283 Test Band US Cellular SID 59 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting Start 3 Check RF Signal path Redownload S W Cal Mobile S W Quadplexer VCTCXO QSC6075 ...

Page 43: ...8 C2048 4 7u 1608 C2046 4 7u 1608 C2047 4 7u 1608 R2019 0 R2017 0 R2015 0 R2014 0 R2013 0 R2016 0 R2012 0 R2018 0 C2029 1u 2 1V_RFRX1 R2010 0 C2039 2 2u 1 8V_NCP 0 2 3 C 4 u 0 1 8 0 6 1 u 9 4 0 2 2 2 C K21 VDD_RFTX_8 K22 VDD_RFTX_9 AB17 VDD_SPKR R21 VREG_RFRX1 U22 REF_BYP V23 REF_GND V22 REF_ISET AB18 VREG_5V Y21 VREG_MMC W13 VREG_MPLL V16 VREG_MSMA AB14 VREG_MSME1 W17 VREG_MSMP P18 VREG_NCP AC21 ...

Page 44: ...RFRX1 is OK 2 1V_RFRX2 is OK Check R2016 YES NO 2 6V_MSMP2 is OK The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot DC Power supply Circuit is OK See next Page to check VCTXO circuit 1 2 3 ...

Page 45: ...lectronics Inc LN510 168 4 1 1 2 Checking VCTCXO circuit Test Point Test Point Circuit Diagram Circuit Diagram TP2 R1501 TP1 C1505 TP2 TP1 Q Q S X Q 75 B 2B 9B7 2 7 2 5 N 5 5 8 9 1 287 9 5 4 QWHUQDO 8VH 2QO ...

Page 46: ...Is it similar See next page to check control signal YES Check U1501 pin3 is it 19 2 MHz Refer to Figure 4 1 1 a The Problem may be Logic part Refer to Logic troubleshoot VCTCXO circuit is OK Check U1501 pin4 is it 2 85V Refer to Figure 4 1 1 b Replace U1501 and then check C1505 R1501 See next page to check control signal VCTCXO circuit is OK 1 2 4 ...

Page 47: ...LG Electronics Inc LN510 4 168 4 1 1 3 Checking RF signal path Mobile S W Quadplexer Test Point Test Point TP1 Mobile Switch TP2 LG511C ...

Page 48: ...05 C1104 DNI 1005 C1205 DNI 1005 C1204 DNI 1005 L1206 DNI 1005 LDC151G8620Q 359 U1103 1 OUT 2 IN 3 COU 4 TER R1201 0 AWS PA Dual PA Rx_Primary PART 1201 Port1 Port2 H PATH L D D V L T C H H Port1 Port3 OFF ON L H L H ON OFF 1 t u O 2 t u O S W A A M D C Quadplexer C1409 100p C1420 47p C1417 33p C1412 82p C1403 100p C1421 47p C1418 33p C1411 33p C1402 39p C1401 33p C1413 82p C1414 1 5p C1406 0 5p L...

Page 49: ...d at that point All DNC Rx check is completed If the phone still do Not work change Main B D Is any signal detected at that point Start Check L1001 L002 Yes Yes No No Check pin1 at U1003 Check if there is any major difference referring to Fig 4 1 1 d Is any signal detected at that point Replace Quadplexer U1003 No Is any signal detected at that point Check L1209 L1205 C1208 No Yes Yes 1 2 ...

Page 50: ...LG Electronics Inc LN510 49 168 Waveform Waveform 4 1 1 c 4 1 1 d U1001 pin2 U1003 pin1 ...

Page 51: ...flow Check flow Mobile S W Quadplexer VCTCXO QSC6075 1 Check DC Power Supply circuit 2 Check VCTCXO Start 3 Check RF Signal path Redownload S W Cal Rx TEST SETUP HHP Test Channel 25 Test Band US PCS SID 4145 Sector Power 30 dBm Spectrum Analyzer Setting Oscilloscope Setting ...

Page 52: ...1608 C2048 4 7u 1608 C2046 4 7u 1608 C2047 4 7u 1608 R2019 0 R2017 0 R2015 0 R2014 0 R2013 0 R2016 0 R2012 0 R2018 0 C2029 1u 2 1V_RFRX1 R2010 0 C2039 2 2u 1 8V_NCP 3 4 0 2 C 10u 6 1 8 0 0 2 4 u 9 C 2 2 K21 VDD_RFTX_8 K22 VDD_RFTX_9 AB17 VDD_SPKR R21 VREG_RFRX1 U22 REF_BYP V23 REF_GND V22 REF_ISET AB18 VREG_5V Y21 VREG_MMC W13 VREG_MPLL V16 VREG_MSMA AB14 VREG_MSME1 W17 VREG_MSMP P18 VREG_NCP AC21...

Page 53: ...RFRX1 is OK 2 1V_RFRX2 is OK Check R2016 YES NO 2 6V_MSMP2 is OK The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot DC Power supply Circuit is OK See next Page to check VCTXO circuit 1 2 3 ...

Page 54: ... circuit Test Point Test Point Circuit Diagram Circuit Diagram TP2 R1501 TP1 C1505 TP2 TP1 C1505 1n C1502 33n C1503 47p C1501 0 1u C1504 10n TRK_LO_ADJ 2 85V_TCXO TCXO R1502 2k R1501 51 ERF3003E U1501 1 VC 2 GND 3 OUT 4 VCC R1503 100 4 Internal Use Only ...

Page 55: ...s it similar See next page to check control signal YES Check U1501 pin3 is it 19 2 MHz Refer to Figure 4 1 2 a The Problem may be Logic part Refer to Logic troubleshoot VCTCXO circuit is OK Check U1501 pin4 is it 2 85V Refer to Figure 4 1 2 b Replace U1501 and then check C1505 R1501 See next page to check control signal VCTCXO circuit is OK 1 2 4 ...

Page 56: ...LG Electronics Inc LN510 55 168 4 1 2 3 Checking RF signal path Mobile S W Quadplexer Test Point Test Point TP1 Mobile Switch TP2 ...

Page 57: ... DNI 1005 C1205 DNI 1005 C1204 DNI 1005 L1206 DNI 1005 LDC151G8620Q 359 U1103 1 OUT 2 IN 3 COU 4 TER R1201 0 AWS PA Dual PA Rx_Primary PART 1201 Port1 Port2 H PATH L D D V L T C H H Port1 Port3 OFF ON L H L H ON OFF 1 t u O 2 t u O S W A A M D C Quadplexer C1409 100p C1420 47p C1417 33p C1412 82p C1403 100p C1421 47p C1418 33p C1411 33p C1402 39p C1401 33p C1413 82p C1414 1 5p C1406 0 5p L1403 15n...

Page 58: ... point All PCS Rx check is completed If the phone still do Not work change Main B D Is any signal detected at that point Start Check L1001 L1002 Yes Yes No No Check pin2 at U1003 Check if there is any major difference referring to Fig 4 1 2 d Is any signal detected at that point Replace Quadplexer U1003 No Is any signal detected at that point Check L1202 C1202 C1203 C1211 C1209 L1204 No Yes Yes 1 ...

Page 59: ...LG Electronics Inc LN510 58 168 Fig 4 1 2 c Fig 4 1 2 d U1001 pin2 U1003 pin2 Waveform Waveform ...

Page 60: ...CXO Start 6 Check Quadplexer Redownload S W Cal 7 Check Mobile Switch 3 Check QSC6075 5 Check DCN PAM 4 Check RF SAW Start program Joyphone Click the H W Control Go to MODE FTM in Rx Command tap Go to PHONE_MODE_CDMA_800 Set channel to 384ch Click Set Tx On in Tx Command tap Select CDMA Click MAX POWER ON Measure frequency domain waveform with Spectrum analyzer Measure time domain waveform with os...

Page 61: ...48 4 7u 1608 C2046 4 7u 1608 C2047 4 7u 1608 R2019 0 R2017 0 R2015 0 R2014 0 R2013 0 R2016 0 R2012 0 R2018 0 C2029 1u 2 1V_RFRX1 R2010 0 C2039 2 2u 1 8V_NCP 4 0 C 3 2 u 0 1 8 0 6 1 u 9 4 0 2 2 2 C K21 VDD_RFTX_8 K22 VDD_RFTX_9 AB17 VDD_SPKR R21 VREG_RFRX1 U22 REF_BYP V23 REF_GND V22 REF_ISET AB18 VREG_5V Y21 VREG_MMC W13 VREG_MPLL V16 VREG_MSMA AB14 VREG_MSME1 W17 VREG_MSMP P18 VREG_NCP AC21 VREG_...

Page 62: ...heck R2016 Check R2014 YES Start DC Power supply Circuit is OK See next Page to check VCTXO circuit NO NO YES The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot 2 6V_MSMP2 is OK 2 1V_RFTX is OK 1 2 ...

Page 63: ... circuit Test Point Test Point Circuit Diagram Circuit Diagram TP2 R1501 TP1 C1505 TP2 TP1 C1505 1n C1502 33n C1503 47p C1501 0 1u C1504 10n TRK_LO_ADJ 2 85V_TCXO TCXO R1502 2k R1501 51 ERF3003E U1501 1 VC 2 GND 3 OUT 4 VCC R1503 100 4 Internal Use Only ...

Page 64: ...s it similar See next page to check control signal YES Check U1501 pin3 is it 19 2 MHz Refer to Figure 4 2 1 a The Problem may be Logic part Refer to Logic troubleshoot VCTCXO circuit is OK Check U1501 pin4 is it 2 85V Refer to Figure 4 2 1 b Replace U1501 and then check C1505 R1501 See next page to check control signal VCTCXO circuit is OK 1 2 4 ...

Page 65: ..._OUT_C_LB B23 MIX_INP_C_LB C23 MIX_INM_C_LB D23 MIX_INP_C_HB E23 MIX_INM_C_HB H23 PWR_DET_IN A20 RBIAS_RX J16 RBIAS_TX A19 RX_IN_C_HB A18 RX_IN_C_LB A15 RX_IN_GPS M23 TX_OUT_HB_A N23 TX_OUT_HB_B L23 TX_OUT_LB_A K23 TX_OUT_LB_B Place close to QSC C1131 100p C1130 100p L1108 DNI L1110 DNI TX_OUT_LB_A TX_OUT_HB_A SAWEP836MFH2F00 F1102 IN1 1 GND1 2 GND2 3 IN2 4 GND3 5 OUT2 6 GND4 7 GND5 8 OUT1 9 GND6 ...

Page 66: ... Checking Flow Checking Flow Check pin L23 at U2001 C1131 Check if there is any major difference referring to Figure 4 2 1 3 Is it similar Start QSC 6075 is OK See next page NO Replace U2001 YES Waveform Waveform Figure 4 2 1 3 1 4 ...

Page 67: ... 4 2 1 4 RF_IN fed up with CW signal Check pin9 at F1102 referring to Figure 4 2 1 4 Is it similar Start Replace F1102 RF Tx SAW is OK YES NO TP1 F1102 TP1 C1128 47p C1127 100p L1107 DNI 1005 L1106 DNI 1005 PA_ON1 2 6V_MSMP2 SAWEP836MFH2F00 F1102 IN1 1 GND1 2 GND2 3 IN2 4 GND3 5 OUT2 6 GND4 7 GND5 8 OUT1 9 GND6 10 L1603 2 7n DCN PCS Tx RF SAW 1 4 Internal Use Only ...

Page 68: ...9 2 2u 1608 VPWR PA_ON0 PA_R1 PWR_DET_IN ACPM 7353 U1106 RFIN_CELL 1 VMOD 2 VBP 3 VCC1 4 VEN_CELL 5 VEN_PCS 6 RFIN_PCS 7 RFOUT_PCS 8 GND1 9 GND2 10 VCC2 11 GND3 12 GND4 13 RFOUT_CELL 14 G_SLUG 15 R1103 56 R1104 110 R1102 110 R1105 100k C1115 33p C1119 1n C1116 2 2u 1608 C1103 3 9p L1102 3 9n R1107 100k U1105 AWT6309R_DNI 1 VBATT 2 7 8 VCC FSA415 6 B1 5 GND 4 B0 L1101 1 2n C1102 1 2p C1106 DNI 1005...

Page 69: ...cuit is OK See next page NO Replace U1106 YES whether it is higher than 3 4V Check Vcc line NO YES whether it is lower than 0 5V Check PA_R1 line NO YES whether it is higher than 2 2V Check PA_ON0 line NO YES Check pin1 14 at U1106 Check pin4 11 at U1106 VCC Check pin3 at U1106 PA_R1 Check pin5 at U1106 PA_ON0 1 2 3 4 5 4 RF_IN fed up with CW signal in low gain mode of PAM RF_IN RF_OUT ...

Page 70: ...LG Electronics Inc LN510 69 168 4 2 1 6 Check Quadplexer Test Point Test Point Mobile Switch U1106 U1003 DCN Tx Out ...

Page 71: ... RFOUT_CELL 14 G_SLUG 15 LDC15874M19Q 360 U1102 1 OUT 2 IN 3 COU 4 TER LDC151G8620Q 359 U1101 1 OUT 2 IN 3 COU 4 TER R1103 56 R1104 110 R1102 110 R1105 100k C1115 33p C1119 1n C1116 2 2u 1608 ACFM 7107 U1003 1 CELL_RX 2 PCS_RX 3 CELL_TX 4 PCS_TX 5 ANT 6 G_SLUG C1103 3 9p L1102 3 9n L1603 2 7n R1107 100k ACMD 7609_DNI DP1001 1 RX 2 G1 3 TX 4 G2 5 G3 6 ANT 7 G4 8 G5 9 G6 U1105 AWT6309R_DNI 1 VBATT 2...

Page 72: ...onics Inc LN510 168 Checking Flow Checking Flow Waveform Waveform Check pin3 5 at U1003 Referring to Figure 4 2 1 6 Is it similar Start Replace U1003 YES NO Quintplexer is OK Figure 4 2 1 6 1 4 DCN Port ANT Port ...

Page 73: ... Flow Checking Flow Waveform Waveform Figure 4 2 1 7 Check pin1 2 at U1001 Referring to Figure 4 2 1 7 Is it similar Start Replace U1001 Mobile S W is OK YES NO TP1 TP2 U1001 TP2 TP2 C1002 100p C1003 100p L1002 100n NMS 180 U1001 1 A 2 C 3 4 L1001 2 2n C1005 0 5p C1006 15n C1015 15n 1 2 4 RF IN RF OUT Internal Use Only ...

Page 74: ...lexer Redownload S W Cal 7 Check Mobile Switch 3 Check QSC6075 5 Check PCS PAM 4 Check RF SAW Start program Joyphone Click the H W Control Go to MODE FTM in Rx Command tap Go to PHONE_MODE_CDMA_800 Set channel to 384ch Click Set Tx On in Tx Command tap Select CDMA Click MAX POWER ON Measure frequency domain waveform with Spectrum analyzer Measure time domain waveform with oscilloscope 4 2 2 PCS Tx...

Page 75: ...C2048 4 7u 1608 C2046 4 7u 1608 C2047 4 7u 1608 R2019 0 R2017 0 R2015 0 R2014 0 R2013 0 R2016 0 R2012 0 R2018 0 C2029 1u 2 1V_RFRX1 R2010 0 C2039 2 2u 1 8V_NCP 4 C 3 20 10u 1608 04 2 2 C u 2 9 K21 VDD_RFTX_8 K22 VDD_RFTX_9 AB17 VDD_SPKR R21 VREG_RFRX1 U22 REF_BYP V23 REF_GND V22 REF_ISET AB18 VREG_5V Y21 VREG_MMC W13 VREG_MPLL V16 VREG_MSMA AB14 VREG_MSME1 W17 VREG_MSMP P18 VREG_NCP AC21 VREG_RF T...

Page 76: ...heck R2016 Check R2014 YES Start DC Power supply Circuit is OK See next Page to check VCTXO circuit NO NO YES The Problem may be Logic part Refer to Logic troubleshoot The Problem may be Logic part Refer to Logic troubleshoot 2 6V_MSMP2 is OK 2 1V_RFTX is OK 1 2 ...

Page 77: ...O circuit Test Point Test Point Circuit Diagram Circuit Diagram TP2 R1501 TP1 C1505 TP2 TP1 C1505 1n C1502 33n C1503 47p C1501 0 1u C1504 10n TRK_LO_ADJ 2 85V_TCXO TCXO R1502 2k R1501 51 ERF3003E U1501 1 VC 2 GND 3 OUT 4 VCC R1503 100 4 Internal Use Only ...

Page 78: ...Is it similar See next page to check control signal YES Check U1501 pin3 is it 19 2 MHz Refer to Figure 4 2 1 a The Problem may be Logic part Refer to Logic troubleshoot VCTCXO circuit is OK Check U1501 pin4 is it 2 85V Refer to Figure 4 2 1 b Replace U1501 and then check C1505 R1501 See next page to check control signal VCTCXO circuit is OK 1 2 4 ...

Page 79: ...A_OUT_C_LB B23 MIX_INP_C_LB C23 MIX_INM_C_LB D23 MIX_INP_C_HB E23 MIX_INM_C_HB H23 PWR_DET_IN A20 RBIAS_RX J16 RBIAS_TX A19 RX_IN_C_HB A18 RX_IN_C_LB A15 RX_IN_GPS M23 TX_OUT_HB_A N23 TX_OUT_HB_B L23 TX_OUT_LB_A K23 TX_OUT_LB_B Place close to QSC C1131 100p C1130 100p L1108 DNI L1110 DNI TX_OUT_LB_A TX_OUT_HB_A SAWEP836MFH2F00 F1102 IN1 1 GND1 2 GND2 3 IN2 4 GND3 5 OUT2 6 GND4 7 GND5 8 OUT1 9 GND6...

Page 80: ... Checking Flow Checking Flow Check pin M23 at U2001 C1130 Check if there is any major difference referring to Figure 4 2 1 3 Is it similar Start QSC 6075 is OK See next page NO Replace U2001 YES Waveform Waveform Figure 4 2 1 3 1 4 ...

Page 81: ...4 2 1 4 Check pin6 at F1102 referring to Figure 4 2 1 4 Is it similar Start Replace F1102 RF Tx SAW is OK YES NO TP1 F1102 TP1 C1128 47p C1127 100p L1107 DNI 1005 L1106 DNI 1005 PA_ON1 2 6V_MSMP2 SAWEP836MFH2F00 F1102 IN1 1 GND1 2 GND2 3 IN2 4 GND3 5 OUT2 6 GND4 7 GND5 8 OUT1 9 GND6 10 L1603 2 7n DCN PCS Tx RF SAW 1 4 RF_IN fed up with CW signal Hmsdqm k Trd Nmkx ...

Page 82: ...C1109 2 2u 1608 VPWR PA_ON0 PA_R1 PWR_DET_IN ACPM 7353 U1106 RFIN_CELL 1 VMOD 2 VBP 3 VCC1 4 VEN_CELL 5 VEN_PCS 6 RFIN_PCS 7 RFOUT_PCS 8 GND1 9 GND2 10 VCC2 11 GND3 12 GND4 13 RFOUT_CELL 14 G_SLUG 15 R1103 56 R1104 110 R1102 110 R1105 100k C1115 33p C1119 1n C1116 2 2u 1608 C1103 3 9p L1102 3 9n R1107 100k U1105 AWT6309R_DNI FSA4157L6X_DNI 6 B1 5 GND 4 B0 L1101 1 2n C1102 1 2p C1106 DNI 1005 C1105...

Page 83: ...e next page NO Replace U1106 YES whether it is higher than 3 4V Check Vcc line NO YES whether it is lower than 0 5V Check PA_R1 line NO YES whether it is higher than 2 2V Check PA_ON0 line NO YES Check pin7 8 at U1106 Check pin4 11 at U1106 VCC Check pin3 at U1106 PA_R1 Check pin6 at U1106 PA_ON1 RF_OUT RF_IN fed up with CW signal in low gain mode of PAM Figure 4 2 2 5 1 2 3 4 5 4 ...

Page 84: ...LG Electronics Inc LN510 83 168 4 2 2 6 Check Quadplexer Test Point Test Point Mobile Switch U1106 U1003 PCS Tx Out ...

Page 85: ... RFOUT_CELL 14 G_SLUG 15 LDC15874M19Q 360 U1102 1 OUT 2 IN 3 COU 4 TER LDC151G8620Q 359 U1101 1 OUT 2 IN 3 COU 4 TER R1103 56 R1104 110 R1102 110 R1105 100k C1115 33p C1119 1n C1116 2 2u 1608 ACFM 7107 U1003 1 CELL_RX 2 PCS_RX 3 CELL_TX 4 PCS_TX 5 ANT 6 G_SLUG C1103 3 9p L1102 3 9n L1603 2 7n R1107 100k ACMD 7609_DNI DP1001 1 RX 2 G1 3 TX 4 G2 5 G3 6 ANT 7 G4 8 G5 9 G6 U1105 AWT6309R_DNI 1 VBATT 2...

Page 86: ...nics Inc LN510 8 168 Checking Flow Checking Flow Waveform Waveform Check pin4 5 at U1003 Referring to Figure 4 2 2 6 Is it similar Start Replace U1003 YES NO Quintplexer is OK PCS Port ANT Port Figure 4 2 2 6 1 4 ...

Page 87: ... Flow Checking Flow Waveform Waveform Check pin1 2 at U1001 Referring to Figure 4 2 2 7 Is it similar Start Replace U1001 Mobile S W is OK YES NO TP1 TP2 U1001 TP2 TP2 Figure 4 2 2 7 RF IN RF OUT C1002 100p C1003 100p L1002 100n NMS 180 U1001 1 A 2 C 3 4 L1001 2 2n C1005 0 5p C1006 15n C1015 15n 1 2 4 Hmsdqm k Trd Nmkx ...

Page 88: ... 6V_MSMP 2 1V_MSMA 2 85V_ TCXO Logic level at PS_HOLD R2033 of U2001 High Does it work properly Charge of Change Battery and try again Check the contact of power key Replace U2001 Re download software and try again The Phone will power on Does it work properly Replace the main board Re download software and try again YES NO NO NO NO NO NO YES YES YES YES YES 1 2 3 4 3 Logic Part Trouble 4 3 1 Powe...

Page 89: ...MSMA 2 6V_BT C2052 2 2u C2050 2 2u C2055 1u C2054 1u C2051 2 2u C2042 0 1u C2053 1u C2045 2 2u C2044 2 2u R2022 121k 1 C2056 4 7u 1608 C2048 4 7u 1608 C2046 4 7u 1608 C2047 4 7u 1608 R2019 0 R2017 0 R2015 0 R2014 0 R2013 0 R2016 0 R2012 0 R2018 0 C2029 1u C2017 1u 2 1V_RFRX1 R2010 0 C2039 2 2u 1 8V_NCP C2043 10u 1608 2 204 C u 2 9 VPWR C2022 1u K22 VDD_RFTX_9 AB17 VDD_SPKR R21 VREG_RFRX1 U22 REF_B...

Page 90: ...LG Electronics Inc LN510 89 168 Test point Test point 1 2 TP1 R101 PWR_ON_SW TP1 TP2 R2020 1 3_MSMC TP3 R2016 1 8_MSME1 TP4 R2015 2 6_MSMP TP5 R2017 2 1_MSMA TP6 R2011 2 85_TCXO TP7 R2027 PS_HOLD 3 ...

Page 91: ...harging will operate properly Check the soldering of CON3002 Re solder CON3002 The battery may have the problem Change the battery and try again YES NO YES NO NO NO NO YES YES YES 1 3 4 3 1 2 Charging Trouble Voltage of VPWR of F3001 4V NO 4 Voltage of pin 8 7 at U3001 5V The OVP is out of order Replace U3001 YES NO 2 Check the soldering of Q3001 Or Replace it CHG_CNT_N 0V and BAT_FET_N 0V 5 YES N...

Page 92: ...9 GND4 10 GND5 11 GND6 C3001 1u 1608 C3004 DNI C3005 DNI R3030 ICVS0518270FR R3029 ICVS0518270FR MICRO USB CONNECTOR Place Closed OVP R3015 80 6k 1 2 6V_MSMP2 VBAT BAT_DET BATT_THM_ADC R3016 470k 1 PSD12 LF D3004 1 2 R3014 100k 1 8V_MSME1 R3019 EVLC5S02100 C3022 470n C3020 56p C3028 1u C3034 47p HSBC 4PT25 17 CON3002 1 2 3 4 5 DUMMY1 6 DUMMY2 7 3 UMMY D BAT_FET_N CHG_CNT_N ISNS_P ISNS_M VCHAR R300...

Page 93: ...Test point Test point 1 3 TP1 PIN8 OF U3002 V_CHAR C3001 TP3 PIN4 OF CON3002 VBAT D3004 U3001 Q3000 TP5 TP3001 CHG_CNT_N TP3002 BAT_FET_N 5 TP4 PIN3 OF F3000 VBAT 4 TP2 PIN1 OF U3002 V_CHAR C3002 2 F3000 CON3002 4 Hmsdqm k Trd Nmkx ...

Page 94: ...5018 100n C5017 100n C5015 33p RED_OUT GREEN_OUT C5016 1u C5035 10n C5036 10n C5003 33p 1 8V_MSME1 MLED6 EBI2_D 13 EBI2_D 3 ROW2 COL7 EBI2_D 7 EBI2_D 11 EBI2_D 9 ROW3 MLED2 EBI2_D 5 LCD_RS MLED4 ROW1 EBI2_D 1 EBI2_WE EBI2_D 15 LCD_RESET LCD_VSYNC MLED5 EBI2_D 0 LCD_MAKER_ID LCD_CS EBI2_D 2 LCD_CABC EBI2_D 10 VPWR EBI2_D 6 MLED1 SK_BK_EN EBI2_OE VLED EBI2_D 14 EBI2_D 8 2 8V_LCD MLED3 EBI2_D 12 EBI2...

Page 95: ...LG Electronics Inc LN510 94 168 Test Point Test Point F5004 F5001 F5003 F5009 F5008 TEST POINT R2013 2 8V_LCD UN510 ...

Page 96: ...LG Electronics Inc LN510 95 168 1 ...

Page 97: ...3031 DNI R3032 DNI C3036 33p CAM_I2C_SDA CAM_HSYNC CAM_PWDN R4001 10 CAM_DATA 5 CAM_RESET CAM_VSYNC CAM_PCLK C4004 4 7p CAM_DATA 0 CAM_DATA 2 CAM_DATA 4 CAM_DATA 1 2 6V_CAM_IOVDD CAM_MCLK CAM_DATA 3 C4001 4 7p 2 8V_CAM_AVDD CAM H88 CON4001 D3 1 D4 2 D5 3 D6 4 D7 5 AGND1 6 MCLK 7 DGND1 8 RESETB 9 SDA 10 SCK 11 STANDBY 12 DVDD 13 VDDIO 14 DGND2 15 AVDD 16 AGND2 17 HSYNC 18 VSYNC 19 PCLK 20 DGND3 21 ...

Page 98: ...LG Electronics Inc LN510 97 168 1 2 3 4 5 LG511C ...

Page 99: ...rouble TP1 TP2 TP3 TH_I2C_SDA C4017 100n R4018 2 2k TSC2007IYZGR U4004 A1 AUX A2 VDD_REF A3 X B1 PENIRQ B2 A0 B3 Y C1 SDA C2 A1 C3 X D2 GND D3 Y D1 SCL Y _BOTTOM 2 6V_TOUCH TP4001 TH_I2C_SCL X _RIGHT X _LEFT R4019 2 2k C4016 2 2u 1608 Y _TOP X _LEFT X _RIGHT Y _BOTTOM CON104 AXK7L10227G 1 2 3 4 5 6 7 8 9 10 11 G1 12 G2 13 G3 14 G4 LG511C Hmsdqm k Trd Nmkx ...

Page 100: ...her it is 2 8V Check the Signal at R2018 R2019 Is there any pulse when you press touch key Touch key will work properly Check the signal CON104 X X Y Y is there any pulse When you press touch Touch key will work properly YES YES NO 2 Replace TOUCH PANNEL NO Check the contact state of the FPCB connector Replace the BOARD Checking Flow Checking Flow 1 2 3 LG511C ...

Page 101: ... I2C_SDA LM49151 U4002 E1 INM D1 INM C2 INR C1 INL C3 BYPASS A1 I2CVDD B2 SDA B3 SCL A2 GND C4 CPVSS D3 C1N D4 C1P E4 CPGND A4 LSOUT A3 LSOUT E2 HPR E3 HPL D2 SET B1 VDD B4 LSVDD C4020 2 2u 1608 C4022 0 1u R4020 100k R4021 ICVS0505500FR R4022 ICVS0505500FR R4039 10k R4040 10k R4035 24 R4036 24 C4010 220n C4011 220n C4013 100n C4046 33p C4019 2 2u L4003 82n 1608 L4004 82n 1608 SPK SPK 1 TP1 2 TP2 T...

Page 102: ... about 3 4 4 2V NO Replace C4013 Check the audio signal at C4010 C4011 Check the Soldering of C4010 C4011 Check the audio signal at L4003 L4004 Check the Soldering of U4002 Replace U4002 Check the state Of contact of speaker Speaker will work properly Yes SETTING Melody on at sounds of test menu Yes Yes Yes Yes NO NO NO NO NO 1 2 3 LG511C ...

Page 103: ...D4 ROW1 EBI2_WE EBI2_D 15 LCD_CS EBI2_OE GB042 60S H10 E3000 CON5006 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 C5010 100p C5011 100p C5039 10n SLIDE_CLOSE C5041 10n EVRC14S03Q030050R 1 IN1 2 IN2 3 IN3 4 IN4 5 GND 6 OUT4 7 OUT3 8 OUT2 9 OUT1 10 EVRC14S03Q030050R F5003 1 I...

Page 104: ...ecking Flow Checking Flow Replace QSC Yes Re solder C5010 C5011 START Check the audio signal at C5010 C5011 Check the Soldering of C5010 C5011 Check the state Of contact of receiver Receiver will work properly Yes Yes Yes NO NO 1 LG511C ...

Page 105: ... 3 5 3 MIC Trouble Circuit Diagram Circuit Diagram Test points Test points MIC MIC_BIAS C4027 33p R4034 ICVS0518270FR SPM0410LR5H QB M4001 OUT 1 2 3 4 POWER 5 6 R4029 EVLC5S02100 MIC 2 TP2 1 TP1 2 TP2 1 TP1 LG511C Hmsdqm k Trd Nmkx ...

Page 106: ...w SETTING After initialize 5515C Test Cellular Replace QSC Yes Re solder R4034 START Check the voltage level at R4034 is 1 2V 1 8V NO Replace the microphone M4001 Check the Soldering of R4034 MIC will work properly Yes Yes Yes NO NO MIC OUTPUT C4027 1 2 LG511C ...

Page 107: ... LOW HIGH 4P KEY LOW HIGH NOT PLUG LOW LOW EARPHONE_KEY 1 8V_MSME1 C4037 1u NCS2200SQ2T2G U4008 1 OUT 2 VEE 3 IN 4 IN 5 VCC EAR_MIC R4033 680k 1 D4001 ICVL0505101V150FR R4031 59k 1 HEADSET KEY EAR_L R4024 ICVS0505500FR C4012 1u R4023 ICVS0505500FR SPK VPWR HPH_R C4015 2 2u I2C_SCL EAR_R SPK HPH_L 2 6V_MSMP2 I2C_SDA LM49151 U4002 E1 INM D1 INM C2 INR C1 INL C3 BYPASS A1 I2CVDD B2 SDA B3 SCL A2 GND ...

Page 108: ...LG Electronics Inc LN510 107 168 Test points Test points 1 TP1 4 TP4 2 TP2 3 TP3 5 TP5 LG511C ...

Page 109: ...oice from the headset Insert the headset to the handset 1 Set the audio part of the test equipment to echo mode Can you hear your voice from the headset Change the headset and try again Set the audio part of the test equipment to continuous wave mode Can you hear your voice from the headset The headset will work properly Yes NO NO NO Yes Yes Yes Yes LG511C ...

Page 110: ...11 is about 1 8V Check the soldering of Pin 3 4 of CON4003 Yes Yes Yes NO Change main board Re soldering of Pin 3 4 of CON4003 NO Re solder R4028 R4038 NO Download S W Check the Soldering of R4028 R4038 Level of pin5 of CON4003 is Low state Check the soldering of U4008 U4010 Yes Yes Yes NO Level of EAR_SENSE Yes NO NO Yes 1 2 3 4 ...

Page 111: ...ctronics Inc LN510 110 168 Headset Sending path problem Re solder R4028 R4038 Change main board Does it work Yes Yes NO Download S W NO Level of Pin 1 of CON4003 is 1 65 2 1V Yes Does it work well Yes NO 5 4 ...

Page 112: ... G_SLUG 9 LIN_PWM_FREQ 3 3V_LIN_MOT C4025 1u MT_PWR_EN VPWR TP4002 C4031 10n DMJBRN1036BH U4011 1 2 MOTOR MOTOR MOTOR C4042 DNI 1005 C4043 DNI 1005 TP4003 TP4004 R4037 10k R4030 DNI RP101K332D U4009 1 VOUT 2 GND 3 CE 4 VDD 5 G_SLUG C4035 2 2u 1608 L4001 100n 1608 L4002 100n 1608 R4041 0 C4044 33p C4045 33p R4027 DNI LINEAR MOTOR CIRCUIT LIN MOTOR LDO 3 3V 300mA 1 TP1 1 TP1 4 Hmsdqm k Trd Nmkx ...

Page 113: ...cking Flow Checking Flow SETTING ON at the motor test of test mode Replace U4009 Yes Re solder C4044 START Check the voltage level at C4044 is 3 3V NO Replace U4007 Check the Soldering of C4044 Motor will work properly Yes Yes Yes NO NO 1 ...

Page 114: ...A SW5029 1 2 SW5031 1 2 ICVE10054E250R101FR F5006 1 IN1 2 IN2 3 IN3 4 IN4 5 GND 6 OUT4 7 OUT3 8 OUT2 9 OUT1 10 SIDE_COM VOL_UP SW5006 1 2 SW5044 1 2 SW5035 1 2 SW5013 1 2 QKEY_I2C_SCL SW5012 1 2 SW5019 1 2 SW5009 1 2 SW5015 1 2 SW5008 1 2 SW5046 1 2 SW5032 1 2 SW5028 1 2 SW5048 1 2 SW5011 1 2 SW5038 1 2 SW5049 1 2 COL7 ROW1 ROW2 SW5004 1 2 ROW3 SW5047 1 2 BU1851GUW U5001 TESTM0 A1 XRST A2 XO A3 XI...

Page 115: ...w Checking Flow Change qwerty domesheet START Check a dust inside of qwerty domesheet Yes Motor will work properly Yes No No yes Change qwerty keypad No Yes No Resolder C1 pin of U5001 Yes Visual inspection of U5001 Any short items Replace U5001 1 ...

Page 116: ...1 Replace X1601 Replace U1601 BT will work properly Resolder ANT1601 NO Check the RF signal at C1605 YES 1 2 4 4 3 8 Bluetooth START Check the RF signal at C1602 Check the signal at TP1604 TP1605 TP1606 TP1607 TP1608 TP1609 TP1610 TP1611 Replace U2001 Replace F1601 5 6 Check the BT_RESET at TP1603 Replace U2001 3 NO YES NO YES NO YES NO YES NO YES NO YES ...

Page 117: ...1 A1 VREG A2 VREGHV A3 VBAT A4 LPO_IN A5 VDDC1 A6 VDDO2 A7 VSS6 A8 SPIM_CLK B1 VDDIF B2 REG_EN B3 GPIO_1 B4 RST_N B5 GPIO_0 B6 COEX_IN B7 GPIO_7 B8 VDDC2 C1 VDDTF C2 VSS1 C4 TM0 C6 VSS5 C7 SPIM_CS_N C8 UART_TXD D1 RFP D2 VSS2 D3 VSS4 D7 UART_RTS_N D8 UART_RXD E1 VDDLNA E3 TCXO_OR_IN_GPIO6 E4 COEX_OUT0 E5 COEX_OUT1 E6 TCXO_OR_OUT_GPIO_5 E7 SDA E8 UART_CTS_N F1 VDDRF F2 VSS3 F3 TM2 F4 PCM_CLK F5 PCM...

Page 118: ...LG Electronics Inc LN510 117 168 Test point Test point TP 2 TP 2 TP 3 TP 4 TP 5 TP 6 TP 7 X 1601 U 1601 F 1601 TP 1 ...

Page 119: ... Commission FCC proposed the adoption of this updated 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 leve...

Page 120: ...e OFF before boarding any aircraft Use it on the ground only with crew permission Do 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 ...

Page 121: ...e or butane must compl7y with the National Fire Protection Standard NFPA 58 For a copy 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 t...

Page 122: ...message received from the base station Access Channel Slot The assigned time interval 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...

Page 123: ...in the Domestic Public Cellular Radio Telecommunications Service other than a mobile 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 ...

Page 124: ...etecting codes which generate parity check bits by finding the remainder of a 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...

Page 125: ...An optional expansion of the signaling message between the base station and mobile station 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 Channe...

Page 126: ...tion of the Traffic Channel Hard handoffs Occur when the mobile station is transferred 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 functio...

Page 127: ...MSG_LENGTH a message body the part conveying the information and a CRC Message Body The 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 F...

Page 128: ... set up to handle a special requirement A network can be as small or as large as needed 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 reg...

Page 129: ... Paging Channel Slot An 80ms interval on the Paging Channel Mobile station operating 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 ...

Page 130: ...c Long Code Mask The long code mask used to form the private long code The mask contains 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 in...

Page 131: ...dary Traffic An additional traffic stream that can be carried between the mobile station 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 s...

Page 132: ...oam Status Indicates whether a mobile station is in its home system Termination Status 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 Sup...

Page 133: ... globally RAND Unique Random Variable RANDU A 24 bit random number generated by the base 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 T...

Page 134: ...LG Electronics Inc LN510 133 168 Appendix Appendix ...

Page 135: ...esets JTAG ETM Security Q FUSE 8ZWKM WZ 1V MZNIKM _Q P W PMZ N VK QWV WVMK Q Q a IU MZI QZ 1V MZNIKM LPF LPF 1V MZVIT VK QWV 8W_ MZ 5 IVIOMU MV HandSet Speaker Gain ctl circuits 1V MZVIT VK QWV CODEC support AAC AAC AMR CMX EVRC MIDI MP3 QCELP SW support AAC AAC CMX MIDI MP3 User Interface Output Volgate Regulation MVMZIT 0W MSMMXQVO VCTCXO 19 2MHz I MZa Detectors Controllers Chargers 1VX 8W_MZ 5 ...

Page 136: ...LG Electronics Inc LN510 135 168 Appendix 2 Circuit diagram Appendix 2 Circuit diagram ...

Page 137: ...S5 C7 SPIM_CS_N C8 UART_TXD D1 RFP D2 VSS2 D3 VSS4 D7 UART_RTS_N D8 UART_RXD E1 VDDLNA E3 TCXO_OR_IN_GPIO6 E4 COEX_OUT0 E5 COEX_OUT1 E6 TCXO_OR_OUT_GPIO_5 E7 SDA E8 UART_CTS_N F1 VDDRF F2 VSS3 F3 TM2 F4 PCM_CLK F5 PCM_SYNC F6 PCM_IN F7 SCL F8 VDDC3 G1 VDDPX G2 XIN G3 XOUT G4 RES G5 VDDO1 G6 PCM_OUT G7 VSS7 G8 VDDO3 C1609 10n C1608 2 2u 1608 C1612 10p C1613 10n C1614 10n C1615 10p R1602 15k XM0860S...

Page 138: ...DM_2 ETM_PSTAT_A_2 WLAN_MUX_EN GPIO_25 E7 PA_R0 GP_PDM_1 FAILED_BOOT GPIO_26 E10 AUX_PCM_SYNC SDAC_L_R BT_PCM_SYNC GPIO_27 B11 AUX_PCM_DIN SDAC_MCLK BT_PCM_DIN GPIO_28 F9 AUX_PCM_DOUT SDAC_DOUT BT_PCM_DOUT GPIO_29 C10 AUX_PCM_CLK SDAC_CLK BT_PCM_CLK GPIO_30 AB5 RINGER CAM_FLASH ETM_TCLK GPIO_31 AB7 CAM_PCLK GPIO_32 AA6 CAM_HSYNC ETM_PSTAT_B_2 GPIO_33 W6 CAM_VSYNC ETM_TSYNC_B GPIO_34 AC6 CAM_DIS GP...

Page 139: ...O E6 LDO1O F1 T4 F2 SGND F3 SBIAS F4 VBAT1 F5 VBAT2 F6 T3 2 6V_MSMP2 C3031 100n LCD_CABC C3030 100n C3032 100n C3018 100p 2 6V_TOUCH C3033 2 2u 1608 C3026 2 2u 1608 C3027 2 2u 1608 C3029 2 2u 1608 TP3007 C3012 33u 251M1002336MR3S 1 2 R3019 EVLC5S02100 2PC4617R Q3003 1 2 3 C3004 DNI C3005 DNI H8BCS0SI0BAR 46M U3001 D4 A0 E4 A1 F4 A2 G4 A3 G8 A4 F8 A5 E8 A6 D8 A7 D9 A8 G7 A9 G5 A10 F7 A11 E7 A12 L4 ...

Page 140: ...6 VSS 7 V1 8 G_SLUG 9 LIN_PWM_FREQ EAR_L R4024 ICVS0505500FR C4012 1u R4023 ICVS0505500FR SPK VPWR HPH_R C4015 2 2u I2C_SCL EAR_R SPK HPH_L 2 6V_MSMP2 I2C_SDA LM49151 U4002 E1 INM D1 INM C2 INR C1 INL C3 BYPASS A1 I2CVDD B2 SDA B3 SCL A2 GND C4 CPVSS D3 C1N D4 C1P E4 CPGND A4 LSOUT A3 LSOUT E2 HPR E3 HPL D2 SET B1 VDD B4 LSVDD C4020 2 2u 1608 C4022 0 1u R4020 100k R4021 ICVS0505500FR R4022 ICVS050...

Page 141: ...1 XRST A2 XO A3 XI A4 ROW0 A5 TESTM3 A6 CLKSEL B2 VDD1 B3 VDD2 B4 ROW2 B5 ROW1 B6 KINT C1 VDD3 C2 VSS1 C3 PORENB C4 ROW4 C5 ROW3 C6 KSDA D1 VDD4 D2 VSS2 D3 VSS3 D4 ROW6 D5 ROW5 D6 KSCL E1 COL6 E2 COL4 E3 COL2 E4 COL0 E5 ROW7 E6 TESTM1 F1 COL7 F2 COL5 F3 COL3 F4 COL1 F5 TESTM2 F6 TP5001 C5003 33p 1 8V_MSME1 MLED6 EBI2_D 13 EBI2_D 3 ROW2 COL7 EBI2_D 7 EBI2_D 11 EBI2_D 9 ROW3 MLED2 EBI2_D 5 LCD_RS ML...

Page 142: ... R103 DNI 1005 SUB_BK_EN ROW2 SW102 1 2 ROW3 CABC LCD_VSYNC EBI2_RD ROW3 VPWR LCD_RS LCD_RESET LCD_MAKER_ID EBI2_WE EBI2_RD LCD_CS MLED5 MLED6 CABC C100 10p C101 10p C102 10p C103 10p 2PC4617R Q100 1 2 3 C104 1u C106 1u C107 1u C105 1u R104 10k R105 DNI 1 8V_MSME1 C108 10p C109 10p C110 10p C111 10p C112 10p CON100 GB042 50S H10 E3000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ...

Page 143: ... 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 LCD_RESET SUB_BK_EN CABC EBI2_D 13 EBI2_D 0 EBI2_D 3 LCD_RS MLED3 MLED6 EBI2_D 14 EBI2_D 9 1 8V_LCD_IOVCC LCD_VSYNC VPWR MLED5 EBI2_D 15 EBI2_D 5 EBI2_D 4 ROW3 LCD_CS EBI2_D 10 2 8V_LCD EBI2_D 2 ROW2 EBI2_RD EBI2_D 8 COL7 MLED1 ROW1 EBI2_WE...

Page 144: ...LG Electronics Inc LN510 143 168 Appendix 3 BGA Pin Map Appendix 3 BGA Pin Map ...

Page 145: ...LG Electronics Inc LN510 144 168 Not Used 3 1 U1601 BCM2070_BT 3 1 U1601 BCM2070_BT ...

Page 146: ...LG Electronics Inc LN510 145 168 3 2 U2001 QSC6075T 3 2 U2001 QSC6075T ...

Page 147: ...LG Electronics Inc LN510 146 168 3 3 U3001 H8BCS0SI0BAR 46M_MEMORY 3 3 U3001 H8BCS0SI0BAR 46M_MEMORY ...

Page 148: ...LG Electronics Inc LN510 147 168 All Pin Used 3 4 U4004 TSC2007IYZGR_TOUCH IC 3 4 U4004 TSC2007IYZGR_TOUCH IC ...

Page 149: ...LG Electronics Inc LN510 148 168 3 5 U4002 LM49151_AUDIO AMP 3 5 U4002 LM49151_AUDIO AMP ...

Page 150: ...LG Electronics Inc LN510 149 168 Not Used 3 6 U5001 BU1851GUW _ Qwerty IC 3 6 U5001 BU1851GUW _ Qwerty IC ...

Page 151: ...LG Electronics Inc LN510 150 168 Appendix 4 Component Layout Appendix 4 Component Layout ...

Page 152: ...LG Electronics Inc LN510 151 168 4 1 Main PCB Component Layout 4 1 Main PCB Component Layout ...

Page 153: ...M2506 0 ohm X TAL 32 768kHz FC 135_12_ 5PF_20PRM BT BCM2070 Micro USB GU073 5P SD E1500 ERF3003E 19 2MHz QWERTY IC BU1851GUW Audio AMP LM49151 Can t Operate Speaker Can t Power On Can t Operate Keypad Can t operate BT Can t operate Mic Can t operate Charging USB Can t operate Motor Can t operate Touch Can t Operate GPS Can t Power On Can t Operate Camera No Service Can t Adjust RX Power Can t Make...

Page 154: ...LG Electronics Inc LN510 1 168 4 2 KEY PCB Component Layout 4 2 KEY PCB Component Layout 4 Hmsdqm k Trd Nmkx ...

Page 155: ...LG Electronics Inc LN510 1 168 4 2 KEY PCB Component Layout 4 2 KEY PCB Component Layout 4 Hmsdqm k Trd Nmkx ...

Page 156: ...LG Electronics Inc LN510 15 168 4 3 F PCB Component Layout 4 3 F PCB Component Layout 4 LED101 R100 R101 R102 R103 CON101 CON102 CON103 C101 Hmsdqm k Trd Nmkx ...

Page 157: ...LG Electronics Inc LN510 15 168 4 3 F PCB Component Layout 4 3 F PCB Component Layout 4 CON104 Hmsdqm k Trd Nmkx ...

Page 158: ...ide Cover Lower Slide Pad Touch Filter Receiver Tape Upper_2 Tape Upper_1 Tape Touch_FPCB Filter Indicotor_Upper Pad Receiver Pad Receiver Pad LCD Deco Receiver Deco Slide_Upper Cover Upper Slide Window LCD Touch Tape Protection Slide Description MPBZ0271401 MPBZ0271201 MPBU0094001 MPBU0093901 MPBU0085601 MCJY0003801 MPBZ0249201 MFBZ0005801 MTAZ0259001 MTAZ0258801 MTAZ0258701 MFBZ0005701 MPBZ02494...

Page 159: ...46201 SAFY0288510 AKAC0004901 ACGK0148101 ACGU0002401 SACY0084508 SAJY0036903 SVLM0036201 AKAD0001701 ACGT0002201 Part Number Cover Assy Rear PCB ASSY MAIN Keypad Assy Main Cover Assy Front Cover Assy Lower Slide PCB ASSY FLEXIBLE PCB ASSY SUB LCD Module Keypad Assy Sub Cover Assy Upper Slide Description BATTERY PACK LI POLYMER LGE Internal Use Only Assy Exploded View ...

Page 160: ...DZ01 MIDZ02 MCCH00 MPBZ02 ACGU00 MTAZ00 GK01 SPKY02 SVCY00 MBFZ00 SUSY00 GMEY00 ACGA00 SBPP00 SBPP00 ACGM01 GMEY01 SJMY00 SJMY00 SPKY01 ACKA00 SUMY00 SAFY00 SPKY00 AKAC00 ADCA00 SAJY00 MIDZ00 MPBZ00 GMZZ00 AKAD00 MPBZ01 MIDZ03 SURY00 Serviceable part o N n o i t a c o L o N n o i t a c o L Description Description ...

Page 161: ...LG Electronics Inc LN510 1 Appendix 6 Part List Appendix 6 Part List LG511C ...

Page 162: ...TO 125C 1005 R TP C1404 Capacitor Ceramic Chip ECCH0000143 1 EA 1nF 10 50V X7R 55TO 125C 1005 R TP C1405 Capacitor Ceramic Chip ECCH0000143 1 EA 1nF 10 50V X7R 55TO 125C 1005 R TP C1505 Capacitor Ceramic Chip ECCH0000143 1 EA 1nF 10 50V X7R 55TO 125C 1005 R TP C2013 Capacitor Ceramic Chip ECCH0000143 1 EA 1nF 10 50V X7R 55TO 125C 1005 R TP C2020 Capacitor Ceramic Chip ECCH0000143 1 EA 1nF 10 50V X...

Page 163: ... 10 6 3V Y5P 30TO 85C 1005 R TP p p C2063 Capacitor Ceramic Chip ECCH0002001 1 EA 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP C2064 Capacitor Ceramic Chip ECCH0002001 1 EA 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP C2065 Capacitor Ceramic Chip ECCH0002001 1 EA 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP C3007 Capacitor Ceramic Chip ECCH0002001 1 EA 0 1uF 10 6 3V Y5P 30TO 85C 1005 R TP C3008 Capacitor Ceramic Chip ECC...

Page 164: ...O 125C 1005 R TP C1313 Capacitor Ceramic Chip ECZH0000813 1 EA 100pF 5 50V NP0 55TO 125C 1005 R TP C1314 Capacitor Ceramic Chip ECZH0000813 1 EA 100pF 5 50V NP0 55TO 125C 1005 R TP C1403 Capacitor Ceramic Chip ECZH0000813 1 EA 100pF 5 50V NP0 55TO 125C 1005 R TP C1409 Capacitor Ceramic Chip ECZH0000813 1 EA 100pF 5 50V NP0 55TO 125C 1005 R TP C1419 Capacitor Ceramic Chip ECZH0000813 1 EA 100pF 5 5...

Page 165: ... 10V X5R 55TO 85C 1005 R TP C3023 Capacitor Ceramic Chip ECZH0001215 1 EA 1uF 10 10V X5R 55TO 85C 1005 R TP C3024 Capacitor Ceramic Chip ECZH0001215 1 EA 1uF 10 10V X5R 55TO 85C 1005 R TP C3028 Capacitor Ceramic Chip ECZH0001215 1 EA 1uF 10 10V X5R 55TO 85C 1005 R TP C4007 Capacitor Ceramic Chip ECZH0001215 1 EA 1uF 10 10V X5R 55TO 85C 1005 R TP C4008 Capacitor Ceramic Chip ECZH0001215 1 EA 1uF 10...

Page 166: ...9 Inductor Multilayer Chip ELCH0001408 1 EA 6 8NH 5 0V 400mA 0 23OHM 4 7GHZ L1303 Inductor Multilayer Chip ELCH0001408 1 EA 6 8NH 5 0V 400mA 0 23OHM 4 7GHZ C1006 Inductor Multilayer Chip ELCH0001409 1 EA 10NH 5 0V 400mA 0 3OHM 3 6GHZ L1101 Inductor Multilayer Chip ELCH0001411 1 EA 1 2NH 0 3NH 0V 500mA 0 1OHM 16GHZ L1408 Inductor Multilayer Chip ELCH0001412 1 EA 1 8NH 0 3NH 0V 500mA 0 14OHM 12GHZ L...

Page 167: ...HM 1 1 16W 1005 R TP R1609 Resistor Chip ERHZ0000291 1 EA 49 9OHM 1 1 16W 1005 R TP R2002 Resistor Chip ERHZ0000293 1 EA 510OHM 1 1 16W 1005 R TP R2005 Resistor Chip ERHZ0000294 1 EA 5 1KOHM 1 1 16W 1005 R TP R2007 Resistor Chip ERHZ0000294 1 EA 5 1KOHM 1 1 16W 1005 R TP R3005 Resistor Chip ERHZ0000295 1 EA 51KOHM 1 1 16W 1005 R TP R3006 Resistor Chip ERHZ0000295 1 EA 51KOHM 1 1 16W 1005 R TP R200...

Page 168: ...sistor Chip ERHZ0000495 1 EA 56OHM 5 1 16W 1005 R TP R2025 Resistor Chip ERHZ0000504 1 EA 68OHM 5 1 16W 1005 R TP R4033 Resistor Chip ERHZ0000537 1 EA 680KOHM 1 1 16W 1005 R TP R3013 Resistor Chip ERHZ0003901 1 EA 0 1OHM 1 1 4W 2012 R TP R2022 Resistor Chip ERHZ0004201 1 EA 121KOHM 1 1 16W 1005 R TP U1602 IC Inverter EUSY0073401 1 EA SSOP5 P 0 65A 5 PIN R TP INVERTER U2003 IC Analog Switch EUSY017...

Page 169: ...ilter EMI Power SFEY0012401 1 EA ESD EMI 0HZ 25pF 0H F5006 Filter EMI Power SFEY0012401 1 EA ESD EMI 0HZ 25pF 0H F5007 Filter EMI Power SFEY0012401 1 EA ESD EMI 0HZ 25pF 0H F5001 Filter EMI Power SFEY0013101 1 EA ESD EMI 0HZ 15pF 0H F5003 Filter EMI Power SFEY0013101 1 EA ESD EMI 0HZ 15pF 0H F5004 Filter EMI Power SFEY0013101 1 EA ESD EMI 0HZ 15pF 0H F5008 Filter EMI Power SFEY0013101 1 EA ESD EMI...

Page 170: ...LG Electronics Inc LN510 170 6 2 KEY PCB Part List 6 2 KEY PCB Part List Ref No Unit Specification Description PartNo QT Y 4 ...

Page 171: ... 1 EAC H 60 PIN 0 4 mm ETC H 1 0 Plug CON102 CONNECTOR BOARD TO BOARD ENBY0040401 1 EAC H 50 PIN 0 4 mm ETC H 1 0 Plug CON104 CONNECTOR BOARD TO BOARD ENBY0018601 1 EAC H 10 PIN 4 mm STRAIGHT H 0 9 SOCKET LED101 DIODE LED 7 SEG EDLS0001101 1 EAC H RED YELLOW GREEN 2 DIGIT R TP R100 VARISTOR SEVY0003601 1 EAC H 5 6 V SMD 100pF 1005 4 Ref No Unit Specification Description Part No QTY ...

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