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LG 501C Service Manual
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LG 501C Service Manual

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Internal Use Only
Service Manual
LG-501C
Date: January, 2011 / Issue 1.0

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Summary of Contents for LG 501C

  • Page 1 Internal Use Only Service Manual LG-501C Date: January, 2011 / Issue 1.0...
  • Page 2 Terminal operation control and digital signal processing Converts RF signal to baseband signal Converts baseband signal to RF signal MCP (H8BCS0SI0BAR-46M) NAND (2Gbit) + DDR (1Gbit) Storing of terminal operation program 7. Frequency Stability CELLULAR : 0.5PPM PCS : 0.1PPM LG Electronics Inc.

  • Page 3: Table Of Contents

    4.2. TX PART TROUBLE ..….…….…. .60 4.2.1. DCN TX ………………………..60 4.2.2. PCS TX ………………...…………73 4.3. POWER PART TROUBLE…………86 4.3.1. POWER ………………………..… 86 4.3.2. LCD ………… …… ………… 92 … … 4.3.3. Camera ……… ...……… 95 ………… 4.3.4. Audio …………… ……………98 …… LG Electronics Inc.

  • Page 4: General Introduction

    Short message service TIA/EIA/IS-657 Packet data Performance TIA/EIA/IS-97 Cellular base station TIA/EIA/IS-98 Cellular mobile station ANSI J-STD-018 PCS personal station ANSI J-STD-019 PCS base station TIA/EIA/IS-125 Speech CODEC * TSB –74: Protocol between an IS-95A system and ANSI J-STD-008 LG Electronics Inc.

  • Page 5: Chapter1. System Introduction

    At this time, the spectrums of other signals that have different codes are not recovered into its original state, and appears as the self-interference of the system. LG Electronics Inc.

  • Page 6: Features And Advantages Of Cdma Mobile Phone

    1.25msec (800 times per second). By doing so, the gain tolerance and the different radio propagation loss on the forward/backward link are complemented. LG Electronics Inc.
  • Page 7 That is, each mobile station signal generates interference in relation to the signals of all the other mobile stations. LG Electronics Inc.
  • Page 8 In addition, in the CDMA system, services and service charges are classified further into different classes so that more transmit power can be allocated to high class service users for easier call set-up; they can also be given higher priority of using hand-off function than the general users. LG Electronics Inc.

  • Page 9: Structure And Functions Of Tri-Band Cdma Mobile Phone

    (AGC Amp). Then, they are converted into RF band by the frequency synthesizer synchronizing these signals to proper output frequencies. Transmit signals obtained pass through the duplexer filter and then, are sent out to the cell site via the antenna. LG Electronics Inc.

  • Page 10: Specification

    PCS (Slot Cycle 2) About 170 Hrs (SCI=2) Standby Time DCN (Slot Cycle 2) About 170 Hrs (SCI=2) PCS (Slot Cycle 2) 180 Min .(typical duplexer,10dBm output) Talk Time DCN (Slot Cycle 2) 180 Min .(typical duplexer,10dBm output) LG Electronics Inc.
  • Page 11 Dynamic area of more than -104~ -25 dB: 79dB at the 1.23MHz band. 4.3 Transmit Specification 4.3.1 Frequency Range 1) CELLULAR : 824.820MHz ~ 848.190MHz 2) PCS : 1850 MHz ~ 1910 MHz 4.3.2 Output Power 1) CELLULAR : 0251W 2) PCS: 0.251W LG Electronics Inc.
  • Page 12 4.4.2 PCS mode Ch # Center Freq Ch # Center Freq Ch # Center Freq (MHz) (MHz) (MHz) 1851.25 1871.25 1891.25 1852.50 1872.50 1892.50 1853.75 1873.75 1893.75 1855.00 1875.00 1895.00 1856.25 1876.25 1896.25 1857.50 1877.50 1897.50 1858.75 1878.75 1898.75 LG Electronics Inc.
  • Page 13 MS (Mobile Station) Receiver Frequency 4.5.1 CELLULAR mode Ch. # Center Freq. (MHz) Ch. # Center Freq. (MHz) 1011 869.640 882.120 870.870 883.350 872.100 884.580 873.330 885.810 874.560 887.040 875.790 888.270 877.020 889.500 878.250 890.910 879.480 892.140 880.890 893.370 LG Electronics Inc.
  • Page 14 1957.50 1977.50 1938.75 1958.75 1978.75 1940.00 1960.00 1000 1980.00 1941.25 1961.25 1025 1981.25 1942.50 1962.50 1050 1982.50 1943.75 1963.75 1075 1983.75 1945.00 1965.00 1100 1985.00 1946.25 1966.25 1125 1986.25 1947.50 1967.50 1150 1987.50 1948.75 1968.75 1175 1988.75 LG Electronics Inc.
  • Page 15 LG501C 4.5.4 GPS mode : 1575.42 MHz 4.5.5 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 : See Appendix LG Electronics Inc.

  • Page 16: Installation

    Clip the IB into the IB bracket. 5.3.4. Microphone Installation Install the microphone either by clipping I onto the sunvisor (driver’s side) or by attaching it to door post (driver’s side), using a velcro adhesive tape (not included). 5.3.5 Cable Connections LG Electronics Inc.
  • Page 17 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.) LG Electronics Inc.

  • Page 18: Nam Program Method And Telephone Number Inputting Method

    LG501C CHAPTER 2. NAM Input Method (Inputting of telephone numbers included) 1. Press Menu ➔ #(Settings) ➔ 5(System) ➔ 0 2. Enter Service Code as “##7764726” 3. Select “1.Service Program” and press OK. LG Electronics Inc.
  • Page 19 LG501C 4. Check MEID/ESN and press OK. 5. Check the MDN(Phone number) and press OK. 6. Check the MN and press OK LG Electronics Inc.
  • Page 20 LG501C 7. Check Home SID and press OK 8. Choose OK for next item. 9. NAM1 is completed. Select More if you want to check more items. LG Electronics Inc.
  • Page 21 LG501C LG Electronics Inc.
  • Page 22 LG501C LG Electronics Inc.
  • Page 23 LG501C LG Electronics Inc.
  • Page 24 LG501C LG Electronics Inc.
  • Page 25 LG501C LG Electronics Inc.
  • Page 26 LG501C LG Electronics Inc.

  • Page 27: Chapter 3. Circuit Description

    After that, the RF signal is amplified by the Power Amp in order to have enough power for radiation. Finally, the RF signal is sent out to the cell site via the antenna after going through the coupler and quadplexer. LG Electronics Inc.
  • Page 28 LG501C [Figure 1-1] Block Diagram of LG501C LG Electronics Inc.
  • Page 29 The main function of quadplexer is to prohibit the other band signals from flowing into the one band circuit and vice versa. The ACFM-7107 features a single antenna connection, eliminating the need for antenna switching (800 and 1900 MHz). The specification of LG501C quadplexer is described below: LG Electronics Inc.
  • Page 30 LG501C LG Electronics Inc.
  • Page 31 LG501C LG Electronics Inc.
  • Page 32 The frequency selectivity characteristic of mobile phone is mostly determined by LNA. The specification of LG-501C LNAs are described below: 1.2.2.1 Cellular CDMA LNA performance specifications LG Electronics Inc.
  • Page 33 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-501C GPS LNA is described below LG Electronics Inc.
  • Page 34 The I/Q down converter outputs the CDMA signals at baseband frequency. Low-pass filtering enables the receiver to select the desired baseband signals from the effects of unwanted noise or adjacent-channel interference. I/Q base band components are converted to digital signals by two identical 4-bit ADCs. LG Electronics Inc.
  • Page 35 Tx VCO. The Tx IF signal is amplified by AGC controlled by QSC6055. The second mixer on RFT converts IF signals into RF signals. After passing through the upconverter , RF signal is inputted into the Power Amplifier Module. 1.3.1.1 Cellular CDMA transmit signal path performance specifications LG Electronics Inc.
  • Page 36 MMIC. The maximum power that can be inputted through the input terminal is +10dBm and conversion gain is about 28dB. RF transmit signals that have been amplified through the power amplifier are sent to the quadplexer. LG Electronics Inc.
  • Page 37 -30~+85 C. The receives frequency tuning signals called TRK_LO_ADJ from QSC6055 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. LG Electronics Inc.

  • Page 38: Digital/Voice Processing Part

    2.2.4 Memory Part The memory part is made up of a DDR/NAND memory 2.2.5 Power Supply Part The power supply part is made up of circuits for generating various types of power, used for the digital/voice processing part. LG Electronics Inc.
  • Page 39 When received, I and Q data are demodulated into symbols by the demodulator, and then de-interleaved in reverse to the case of transmission. Then, the errors of data received from viterbi decoder are detected and corrected. They are voice-decoded at the vocoder in order to output digital voice data. LG Electronics Inc.
  • Page 40 The ARM926 EJS microprocessor includes a 3 stage pipelined RISC 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. LG Electronics Inc.
  • Page 41 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 QSC6055. LG Electronics Inc.

  • Page 42: Chapter 4. Trouble Shooting

    - Sect or Power: - 30 dB m Spec trum An alyzer Setting Os c illos c op e Setting 3. Check RF Signal path 1. Check DC Power Supply circuit Redownload S/W, Cal 2. Check VCTCXO LG Electronics Inc.
  • Page 43 VDD_RFTX_7 VDD_RFTX_8 VDD_RFTX_9 AB17 +VPWR VDD_SPKR VREG_RFRX1 +2.1V_RFRX1 R2113B +2.1V_RFRX1 R2114B +2.6V_BT R2115B +1.3V_MPLL R2116B +2.1V_MSMA +1.8V_MSME R2117B +1.8V_MSME +2.6V_MSMP R2118B +2.6V_MSMP R2119B -1.8V_NCP +2.25V_SMPS_RF +2.1V_RFRX2 R2120B +2.1V_RFRX2 R2121B +2.1V_RFTX +2.8V_LCD R2122B +2.8V_LCD +2.8V_TCXO R2123B +2.8V_TCXO +1.3V_MSMC LG Electronics Inc.
  • Page 44 Refer to Logic troubles hoot Check : C2166B The Problem may be Lo gic part +2.1V_RFRX2 is OK? Refer to Logic troubleshoot DC Po wer supply Circuit is OK. See next Page to c hec k VCTCXO circuit LG Electronics Inc.
  • Page 45 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.1.1.2 Checking VCTCXO circuit Test Point TP2 : C2205B TP1 :C2201B Circuit Diagram X2201B DSA321SCA R2201B R2202B TRK_LO_ADJ VCONT C2201B R2203B +2.8V_TCXO TCXO LG Electronics Inc.
  • Page 46 4.1.1 (b)) Replace X2201B and then check C 2201B VCTCXO circuit is Ok . See next page Is it similar? to check control signal . Replace Main B /D Waveform Figure 4.1.1 (a) Figure 4.1.1 (b) LG Electronics Inc.
  • Page 47 LG501C 4.1.1.3 Checking RF signal path (Mobile S/W, Quadplexer) Test Point TP3 : L1801 TP2 : L1102 TP 1 : L101 LG Electronics Inc.
  • Page 48 ANT1803 L101 U1801 KMS-515 2.7n L107 C1804 C1805 CDMA_MS_INOUT 4.7n 100p 100p C103 C104 C105 0.5p U1102 ACFM-7107 L1102 4.7n CDMA_HB_FE_IN PCS_TX CDMA_LHB_FE_INOUT CDMA_LB_FE_IN CELL_TX CDMA_HB_FE_OUT G_SLUG PCS_RX C1103 CDMA_LB_FE_OUT CELL_RX L1801 C1802 CDMA_LB_FE_OUT CDMA_LB_RTR_IN 100p L1804 LG Electronics Inc.
  • Page 49 Check if there is any major difference referring Replace U1102 To Figure 4.1.1 (d).Is any signal detected at that point? All DCN Rx check is completed . If the phone still do not work , change Main B /D . LG Electronics Inc.
  • Page 50 LG501C Waveform U1801 2pin U1102 5pin U1102 1pin LG Electronics Inc.

  • Page 51: Pcx Rx

    - Sect or Power: - 30 dB m Spec trum An alyzer Setting Os c illos c op e Setting 3. Check RF Signal path 1. Check DC Power Supply circuit Redownload S/W, Cal 2. Check VCTCXO LG Electronics Inc.
  • Page 52 VDD_RFTX_7 VDD_RFTX_8 VDD_RFTX_9 AB17 +VPWR VDD_SPKR VREG_RFRX1 +2.1V_RFRX1 R2113B +2.1V_RFRX1 R2114B +2.6V_BT R2115B +1.3V_MPLL R2116B +2.1V_MSMA +1.8V_MSME R2117B +1.8V_MSME +2.6V_MSMP R2118B +2.6V_MSMP R2119B -1.8V_NCP +2.25V_SMPS_RF +2.1V_RFRX2 R2120B +2.1V_RFRX2 R2121B +2.1V_RFTX +2.8V_LCD R2122B +2.8V_LCD +2.8V_TCXO R2123B +2.8V_TCXO +1.3V_MSMC LG Electronics Inc.
  • Page 53 Refer to Logic troubles hoot Check TP3: C 2166B The Problem may be Lo gic part +2.1V_RFRX2 is OK? Refer to Logic troubleshoot DC Po wer supply Circuit is OK. See next Page to c hec k VCTCXO circuit LG Electronics Inc.
  • Page 54 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.1.2.2 Checking VCTCXO circuit Test Point TP2 : C1401 TP2 : C2205B TP1 :C2201B Circuit Diagram X2201B DSA321SCA R2201B R2202B TRK_LO_ADJ VCONT C2201B R2203B +2.8V_TCXO TCXO LG Electronics Inc.
  • Page 55 R efer to Logic troubleshoot figure 4.1.2 (b)) Replace X2201B and then check C2201B VCTCXO circuit is Ok . See next page Is it similar? to check control signal . Replace Main B /D Waveform Figure 4.1.2 (a) Figure 4.1.2 (b) LG Electronics Inc.
  • Page 56 LG501C 4.1.2.3 Checking RF signal path (Mobile S/W, Quintplexer) Test Point TP3 :L1851 TP2 :L1102 TP 1 :L101 LG Electronics Inc.
  • Page 57 ANT1803 L101 U1801 KMS-515 2.7n L107 C1804 C1805 CDMA_MS_INOUT 4.7n 100p 100p C103 C104 C105 0.5p U1102 ACFM-7107 L1102 4.7n CDMA_HB_FE_IN PCS_TX CDMA_LHB_FE_INOUT CDMA_LB_FE_IN CELL_TX CDMA_HB_FE_OUT G_SLUG PCS_RX C1103 CDMA_LB_FE_OUT CELL_RX L1801 C1802 CDMA_LB_FE_OUT CDMA_LB_RTR_IN 100p L1804 LG Electronics Inc.
  • Page 58 Check if there is any major difference referring Replace U1102 To Figure 4.1.2 (d).Is any signal detected at that point? All DCN Rx check is completed . If the phone still do not work , change Main B /D . LG Electronics Inc.
  • Page 59 LG501C Waveform U1801 2pin U1102 5pin 4.1.2(c) U1102 2pin 4.1.2(d) LG Electronics Inc.

  • Page 60: Tx Part Trouble

    - Measure frequency domain waveform with Spectrum analyzer - Measure time domain waveform with Oscilloscope 6. Check Quadplexer 1. Check DC Power Supply circuit 8. Check Mobile Switch 2. Check VCTCXO Redownload S/W, Cal 3. Check QSC6055 LG Electronics Inc.
  • Page 61 VDD_RFTX_7 VDD_RFTX_8 VDD_RFTX_9 AB17 +VPWR VDD_SPKR VREG_RFRX1 +2.1V_RFRX1 R2113B +2.1V_RFRX1 R2114B +2.6V_BT R2115B +1.3V_MPLL R2116B +2.1V_MSMA +1.8V_MSME R2117B +1.8V_MSME +2.6V_MSMP R2118B +2.6V_MSMP R2119B -1.8V_NCP +2.25V_SMPS_RF +2.1V_RFRX2 R2120B +2.1V_RFRX2 R2121B +2.1V_RFTX +2.8V_LCD R2122B +2.8V_LCD +2.8V_TCXO R2123B +2.8V_TCXO +1.3V_MSMC LG Electronics Inc.
  • Page 62 Refer to Logic troubleshoot The Problem may be Lo gic part Check : C2165B +2.1V_RFTX is OK? Refer to Logic troubleshoot DC Po wer supply Circuit is OK. See next Page to c hec k VCTCXO circuit LG Electronics Inc.
  • Page 63 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.2.1.2 Checking VCTCXO circuit Test Point TP2 : C1401 TP2 : C2205B TP1 :C2201B Circuit Diagram X2201B DSA321SCA R2201B R2202B TRK_LO_ADJ VCONT C2201B R2203B +2.8V_TCXO TCXO LG Electronics Inc.
  • Page 64 R efer to Logic troubleshoot figure 4.2.1 (b)) Replace X2201B and then check C2201B VCTCXO circuit is Ok . See next page Is it similar? to check control signal . Replace Main B /D Waveform Figure 4.2.1 (a) Figure 4.2.2 (b) LG Electronics Inc.
  • Page 65 LB_PAM_IN LB_TXSAW_IN FL1501 SFSB0001601 CDMA_LB_TXSAW_OUT O1_CELL I1_CELL CDMA_LB_TXSAW_IN C1820 C109 C1812 CDMA_LB_PAM_IN CDMA_LB_TXSAW_IN CDMA_LB_RTR_OUT CDMA_LB_TXSAW_OUT 100p L1811 L1817 CDMA_HB_TXSAW_OUT O2_PCS I2_PCS CDMA_HB_TXSAW_IN 10 5 HB_TXSAW_IN HB_PAM_IN C1832 CDMA_HB_TXSAW_IN CDMA_HB_RTR_OUT C1829 100p CDMA_HB_PAM_IN CDMA_HB_TXSAW_OUT C112 L1828 Filter 1.5p LG Electronics Inc.
  • Page 66 Checking Flow Start Check pin K23 at U2101B (C109) Check if there is any major difference referring QSC 6055 is OK . See next page To Figure 4.2.1.3. Is it similar ? Replace U2101B Waveform Figure 4.2.1.3 LG Electronics Inc.
  • Page 67 100p VMODE PA_RANGE_0 CDMA_LHB_COUPLER_PAM_OUT RFIN_CELL CDMA_LB_PAM_IN U1144 ACPM-7354-TR1 Checking Flow Waveform Start RF_IN fed up with CW signal Check pin9, at F1501.Referring to RF Tx SAW is OK Figure 4.2.1.4. Is it similar? Replace F1501 Figure 4.2.1.4 LG Electronics Inc.
  • Page 68 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.2.1.5 Check DCN PAM circuit Test Point U1144 +VPWR CDMA_PA_ON1 R1141 C1151 CDMA_HB_PAM_OUT CDMA_HB_PAM_IN RFOUT_PCS RFIN_PCS 100p VEN_PCS VCC2 VEN_CELL CDMA_PA_ON0 VCC1 C1152 CDMA_LB_PAM_OUT RFOUT_CELL 100p PA_RANGE_0 VMODE CDMA_LHB_COUPLER_PAM_OUT RFIN_CELL CDMA_LB_PAM_IN U1144 ACPM-7354-TR1 LG Electronics Inc.
  • Page 69 2.4V. pin 2 at U 1144 (PA _ RANGE) Check Check PA_R1 line whether it is lower than 0.5V. Replace U1144B Waveform RF_IN fed up with CW signal in low gain mode of PAM Figure 4.2.1.5 LG Electronics Inc.
  • Page 70 C1151 CDMA_HB_PAM_OUT CDMA_HB_PAM_IN RFOUT_PCS RFIN_PCS 100p VEN_PCS VCC2 VEN_CELL CDMA_PA_ON0 VCC1 C1152 CDMA_LB_PAM_OUT RFOUT_CELL 100p PA_RANGE_0 VMODE CDMA_LHB_COUPLER_PAM_OUT CDMA_LB_PAM_IN RFIN_CELL U1144 ACPM-7354-TR1 U1102 ACFM-7107 L1102 4.7n PCS_TX CDMA_HB_FE_IN CDMA_LHB_FE_INOUT CELL_TX CDMA_LB_FE_IN G_SLUG PCS_RX CDMA_HB_FE_OUT C1103 CELL_RX CDMA_LB_FE_OUT LG Electronics Inc.
  • Page 71 LG501C Checking Flow Start Check TP1 &2 pin 3,5 at U1102. Referring to Quadplexer is OK Figure 4.2.1.6. Is it similar? Replace U1102 Waveform DCN Port ANT Port Figure 4.2.1.6 LG Electronics Inc.
  • Page 72 100p C103 C104 C105 0.5p Waveform Checking Flow Start Check RF IN pin1 , 2 TP1 & 2 Mobile S /W is at U1801. Referring to Figure 4.2.1.7. Is it similar? Replace U1801 RF OUT Figure 4.2.1.7 LG Electronics Inc.

  • Page 73: Pcs Tx

    - Measure frequency domain waveform with Spectrum analyzer - Measure time domain waveform with Oscilloscope 6. Check Quadplexer 1. Check DC Power Supply circuit 8. Check Mobile Switch 2. Check VCTCXO Redownload S/W, Cal 3. Check QSC6055 LG Electronics Inc.
  • Page 74 VDD_RFTX_7 VDD_RFTX_8 VDD_RFTX_9 AB17 +VPWR VDD_SPKR VREG_RFRX1 +2.1V_RFRX1 R2113B +2.1V_RFRX1 R2114B +2.6V_BT R2115B +1.3V_MPLL R2116B +2.1V_MSMA +1.8V_MSME R2117B +1.8V_MSME +2.6V_MSMP R2118B +2.6V_MSMP R2119B -1.8V_NCP +2.25V_SMPS_RF +2.1V_RFRX2 R2120B +2.1V_RFRX2 R2121B +2.1V_RFTX +2.8V_LCD R2122B +2.8V_LCD +2.8V_TCXO R2123B +2.8V_TCXO +1.3V_MSMC LG Electronics Inc.
  • Page 75 Refer to Logic troubleshoot Check TP2C 2165B The Problem may be Lo gic part +2.1V_RFTX is OK? Refer to Logic troubleshoot DC Po wer supply Circuit is OK. See next Page to c hec k VCTCXO circuit LG Electronics Inc.
  • Page 76 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.2.2.2 Checking VCTCXO circuit Test Point TP2 : C1401 TP2 : C2205B TP1 :C2201B Circuit Diagram X2201B DSA321SCA R2201B R2202B TRK_LO_ADJ VCONT C2201B R2203B +2.8V_TCXO TCXO LG Electronics Inc.
  • Page 77 Is it 2.8V ? ( Refer to R efer to Logic troubleshoot figure 4.2..2.1) Replace X2201B and then check C2201B VCTCXO circuit is Ok . See next page Is it similar? to check control signal . Replace Main B /D Waveform LG Electronics Inc.
  • Page 78 LB_PAM_IN FL1501 LB_TXSAW_IN SFSB0001601 CDMA_LB_TXSAW_OUT I1_CELL O1_CELL CDMA_LB_TXSAW_IN C1820 C109 C1812 CDMA_LB_PAM_IN CDMA_LB_TXSAW_IN CDMA_LB_RTR_OUT CDMA_LB_TXSAW_OUT 100p L1811 L1817 CDMA_HB_TXSAW_OUT I2_PCS O2_PCS CDMA_HB_TXSAW_IN 10 5 HB_TXSAW_IN HB_PAM_IN C1832 CDMA_HB_TXSAW_IN CDMA_HB_RTR_OUT C1829 100p CDMA_HB_PAM_IN CDMA_HB_TXSAW_OUT C112 L1828 Filter 1.5p LG Electronics Inc.
  • Page 79 Checking Flow Start pin K23 at U2101B (C1832) Check Check if there is any major difference referring QSC 6055 is OK . See next page To Figure 4.2.2.3. Is it similar ? Replace U2101B Waveform Figure 4.2.2.3 LG Electronics Inc.
  • Page 80 100p VMODE PA_RANGE_0 CDMA_LHB_COUPLER_PAM_OUT CDMA_LB_PAM_IN RFIN_CELL U1144 ACPM-7354-TR1 Checking Flow Waveform Start RF_IN fed up with CW signal Check pin6, at F1501.Referring to RF Tx SAW is OK Figure 4.2.2.4. Is it similar? Replace F1102 Figure 4.2.2.4 LG Electronics Inc.
  • Page 81 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.2.2.5 Check PCS PAM circuit Test Point U1144 +VPWR CDMA_PA_ON1 R1141 C1151 CDMA_HB_PAM_OUT RFOUT_PCS RFIN_PCS CDMA_HB_PAM_IN 100p VEN_PCS CDMA_PA_ON0 VCC2 VEN_CELL VCC1 C1152 CDMA_LB_PAM_OUT RFOUT_CELL 100p VMODE PA_RANGE_0 CDMA_LHB_COUPLER_PAM_OUT CDMA_LB_PAM_IN RFIN_CELL U1144 ACPM-7354-TR1 LG Electronics Inc.
  • Page 82 2.2V. Check pin2 at U 1144 (PA _ RANGE) Check PA_R1 line whether it is lower than 0.5V. Replace U1144 Waveform RF_IN fed up with CW signal in low gain mode of PAM RF_OUT Figure 4.2.2.5 LG Electronics Inc.
  • Page 83 C1151 CDMA_HB_PAM_OUT CDMA_HB_PAM_IN RFOUT_PCS RFIN_PCS 100p VEN_PCS VCC2 VEN_CELL CDMA_PA_ON0 VCC1 C1152 CDMA_LB_PAM_OUT RFOUT_CELL 100p PA_RANGE_0 VMODE CDMA_LHB_COUPLER_PAM_OUT CDMA_LB_PAM_IN RFIN_CELL U1144 ACPM-7354-TR1 U1102 ACFM-7107 L1102 4.7n PCS_TX CDMA_HB_FE_IN CDMA_LHB_FE_INOUT CELL_TX CDMA_LB_FE_IN G_SLUG PCS_RX CDMA_HB_FE_OUT C1103 CELL_RX CDMA_LB_FE_OUT LG Electronics Inc.
  • Page 84 LG501C Checking Flow Start Check pin4 , 5 TP1&2 at U1102. Referring to Quadplexer is OK Figure 4.2.2.6. Is it similar? Replace U1102 Waveform PCS Port ANT Port Figure 4.2.2.6 LG Electronics Inc.
  • Page 85 CDMA_MS_INOUT 4.7n 100p 100p C103 C104 C105 0.5p Checking Flow Waveform Start Check RF IN TP1&2 pin1, 2 Mobile S /W is at U1801. Referring to Figure 4.2.2.7. Is it similar? Replace U1801 RF OUT Figure 4.2.2.7 LG Electronics Inc.

  • Page 86: Power Part Trouble

    LG501C 4.3 Logic Part Trouble 4.3.1 Power 4.3.1.1 Power-On Trouble Test point KB4701 PWR_ON_SW/ R2116B +2.1V_MSMA R2123B +2.8V_TCXO L2101B R2117B +1.3V_MSMC +1.8V_MSME1 R2118B +2.6V_MSMP LG Electronics Inc.
  • Page 87 R2115B +1.8V_MSME1 +1.3V_MPLL R2116B +2.1V_MSMA +1.8V_MSME R2117B +1.8V_MSME R2118B TCXO +2.6V_MSMP R2118B +2.6V_MSMP +2.6V_MSMP R2119B -1.8V_NCP +2.25V_SMPS_RF +2.1V_RFRX2 R2120B +2.1V_RFRX2 R2121B L2101B +2.1V_RFTX +2.8V_LCD 4.7u R2122B L2102B +2.8V_LCD +2.8V_TCXO R2123B 4.7u +2.8V_TCXO +1.3V_MSMC R2123B +2.8V_TCXO L2102B +1.3V_MSMC LG Electronics Inc.
  • Page 88 Are there anything burned or broken? Change the component Check -on key. Clean the sub PCB and change the sub dome sheet Is there any problem? Check the voltage of U200 +1.3_MSMC, +1.8V_MSME1, +2.6V_MSMP Change the main PCB Re-download SW LG Electronics Inc.
  • Page 89 LG501C 4.3.1.2 Charging Trouble Test point CN4303 D4303 +VCHAR C4311 +VCHAR Q4861 D4401 +VBAT Q4861 7pin CHG_CNT/ Q4861 5pin BATT_FET/ CN4403 LG Electronics Inc.
  • Page 90 HSBC-3P-58-A1 +VBATT BATT_THM_ADC R4401 +2.6V_MSMP 80.6K D4401 +VBAT +VBATT ISNS_P Q4861 SUM202MN R4862 DRAIN_B +5.0V_USB COLLECTOR_B COLLECTOR EMITTER +VCHAR ISNS_M SOURCE BASE CHG_CNT/ FL4861 DRAIN NFM18PC104R1C3 GATE BATT_FET/ +VPWR GND2 GND1 Q4861 7pin CHG_CNT/ Q4861 5pin BAT_FET/ LG Electronics Inc.
  • Page 91 Is the voltage of TP2_U4303’s pin #8&7 Change the U4303 Check Change the battery Is the battery voltage >2.6V? change CN4403 check CN4403, is it OK? Check Change the main board CHG_CNT_N & BAT_FET_N = 0V? Change the main board LG Electronics Inc.
  • Page 92 LG501C C5101 +1.8V_MSME1 C5109 +2.8V_LCD FL5102,FL5103 FL5101 FL5104,FL5105 LCD Control line LCD data line LG Electronics Inc.
  • Page 93 EBI2_D[7] INOUT_A1 INOUT_B1 EBI2_D[6] INOUT_A2 INOUT_B2 EBI2_D[5] INOUT_A3 INOUT_B3 EBI2_D[4] INOUT_A4 INOUT_B4 EBI2_D[3] INOUT_A4 INOUT_B4 FL5105 EBI2_D[2] INOUT_A3 INOUT_B3 INOUT_A2 INOUT_B2 EBI2_D[1] INOUT_A1 INOUT_B1 EBI2_D[0] R5103 LCD_ID ICVE10184E150R101FR +1.8V_MSME FL5104 +2.8V_LCD C5101 C5109 CN5827 +1.8V_MSME1 04-6293-635-005-829+ +2.8V_LCD LG Electronics Inc.
  • Page 94 Change the broken connector & LCD zip connector broken? Are main B to B connector, Re-soldered connector with problem & LCD zip connector soldered well? Change the LCD module Does the LCD module work well? Change the main board LG Electronics Inc.
  • Page 95 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 CAM_I2C_SDA FL5203 INOUT_A3 INOUT_B3 CAM_HSYNC ICVE10184E150R101FR INOUT_A4 INOUT_B4 CAM_VSYNC CAM_DATA[4] INOUT_A1 INOUT_B1 CAM_DATA[5] INOUT_A2 INOUT_B2 CAM_DATA[6] INOUT_A3 INOUT_B3 CAM_DATA[7] INOUT_A4 INOUT_B4 C5201 = +2.8V, C5202 = +2.8V C5204 = +1.5V FL5201, FL5202, FL5203 LG Electronics Inc.
  • Page 96 PCLK 24MHz CAM_PCLK R6002 CAM_PCLK_OPTION CAM_PCLK MAIN_LED4 MAIN_LED3 MAIN_LED2 MAIN_LED1 SLUG_G +2.8V_CAM_AVDD AGND U4501B PGND R4501B RT9367C LDO2 +VREG_OUT1(300mA) R4502B +VREG_OUT2(300mA) LDO1 +1.8V_CAM_IO I2C_SCL CP_EN I2C_SDA +VPWR 150mA : RP 103K U4613 RP103K181D-TR-F +VPWR +1.8V_CAM_DVDD VOUT LDO_EN LG Electronics Inc.
  • Page 97 R6002 24MHz? Change the FL5201~FL5203 Is there any problem at FL5201~FL5203? Are the FL5201~FL5203 soldered well? Re-solder FL5201~FL5203 Re-download SW and check the camera mode again After that, if there is the problem either, change the main board LG Electronics Inc.

  • Page 98: Audio

    4.3.4Audio 4.3.4.1 Speaker Trouble Test points CN6748 L600, L601 Circuit Diagram U2101B U2101B QSC6055-CD Speaker CN6748 16-8T-07PP SPKR_OUT_P SPKR_OUT_N ISNS_P ISNS_M CHG_CNT/ BATT_FET/ VIB_DRV/ USB_D+ USB_D- SPKR_OUT_P CLOSE TO SPK SPKR_OUT_N PS_HOLD RESIN/ L600, CN6748 PWR_ON_SW/ L601 LG Electronics Inc.
  • Page 99 SPK & susplate L600, L601? (CN6748) good? Change the speaker Are the Re-solder soldered well? Change the main board Download the LG501C’s S/W package (binary, script) Is the sound of LG501C’s Change the main board speaker OK? LG Electronics Inc.
  • Page 100 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.3.4.2 Receiver Trouble Circuit Diagram Receiver (1107, 3.2T, T-Coil) CN6704 EMR1107SHA3P CN6704 EAR10P EAR10N CLOSE TO RCV CN6704 D603, D604 LG Electronics Inc.
  • Page 101 LG501C 4.3.4.2 Receiver Trouble Test points D603, D604 CN6704 CN6704 LG Electronics Inc.
  • Page 102 Are the D603, D604 Re-solder D603, D604 D603, D604 soldered well? Change the main board Are the receiver’s wires soldered well? Re-solder the receiver’s wires Check the state of receiver. Re-solder the receiver’s wires Good Change the main board LG Electronics Inc.
  • Page 103 Circuit Diagram HPH_OUT_R HPH_OUT_R_N U2101B HPH_VNEG -1.8V_NCP MIC_BIAS HSET_BIAS LINE_IN_L_P LINE_IN_L_P U2101B QSC6055-CD LINE_IN_R_N LINE_IN_R_N LINE_OUT_L_P LINE_OUT_L_P LINE_OUT_R_N LINE_OUT_R_N MIC1N MIC1P MIC2N C2134B MIC2P C2136B MIC1P EAR_MIC MEMS - TOP MIC6701 SPU0410HR5H-PB MIC_BIAS MIC1P VA6701 CLOSE TO MIC LG Electronics Inc.
  • Page 104 LG501C 4.3.4.3 MIC Trouble Test points C2136B C2134B VA6701 MIC6701 LG Electronics Inc.
  • Page 105 Is the C2136B soldered well? Re-solder C2136B 1.2V~1.8V? Change the main board Are the C2134B broken? Change the component Change the MIC6701 Is there any signal at the VA6701? Is VA6701OK? Change the VA6701 Change the main board MIC+ OUTPUT LG Electronics Inc.
  • Page 106 LG501C 4.3.4.4 Headset Trouble Test points TP1 R6871 CON400 VA6821, VA6822 C6481B, C6482B C2132B LG Electronics Inc.
  • Page 107 EAR_MIC IN_A EARPHONE_KEY OUT_Y CLOSE TO EARJACK VA6821,VA6822 CLOSE TO EARJACK MIC2N MIC2P C2132B QSC6055 MIC1P EAR_MIC +VPWR U6481B TPA6136A2YFF HPVDD C6481B HPH_OUT_L INL- INL+ OUTL HPH_AMP_OUT_L C6482B HPH_OUT_R HPH_AMP_OUT_R INR- OUTR INR+ GAIN C6481B,C6482B HI-Z AUDIO_AMP_EN LG Electronics Inc.
  • Page 108 Headset detect problem START Re-solder Voltage of R6874 is 1.65~2.1V? soldered well Is Voltage of J6816’s pin #3 Change the Con 400 1.65~2.1V? Inset a headset Is the voltage of EAR_SENSE/(TP1 R6871) Download S/W Change the main board LG Electronics Inc.
  • Page 109 Can you see the Audio signal at Change the main PCB C6481B, C6482B? Is there any signal at output point of U6481B? Change the U6481B VA6821,VA6822 Is the J6816’s solder good? Change the J6816 Change the main board LG Electronics Inc.
  • Page 110 Is the headset OK? Change the headset Is the component, J6816 OK? Change the J6816 Can you see the Audio signal at C2132B? Change the main board Change the J6816 Is the J6816’s solder good? Change the main board LG Electronics Inc.

  • Page 111: Backlight

    APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.3.5 Backlight 4.3.5.1 Numeric key backlight Test point LD4727, LD4728 VPWR R401, R402 MKPD_LED_DRV/ MAIN PCB Circuit Diagram LD4727, LD4728 +VPWR VPWR MKPD_LED_DRV/ MKPD_LED_DRV/ C4723 ICVL0505101V150FR R401, R402, C4723,VA400 MKPD_LED_DRV/ LG Electronics Inc.
  • Page 112 Checking Flow START Is the voltage of Change the battery 3.2~4.2V? (+VPWR) Are all LEDs soldered well? Re-solder LED Re-solder R401, R402 Is the voltage of Over 1.0 V? ( MKPD_LED_DRV/ ) C4723, VA400 Change the main board LG Electronics Inc.

  • Page 113: Vibrator

    APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4.3.6 Vibrator Test point VB6158 Circuit Diagram D5151 C6154 VIB_DRV/ VPWR VB6158 DM-YK407-6F2 VIB_DRV/ D6151 KDS160ERTK-H +VPWR LG Electronics Inc.
  • Page 114 LG501C Checking Flow SETTING : Motor on state START Is the pin of motor OKl? Change a motor Is the broken? C6154 Change a C6154 Is the D6151 broken? Change a D6151 Change the main board LG Electronics Inc.

  • Page 115: Bluetooth

    LG501C 4.3.7 Bluetooth Test point L7901 Analog signal C7902 Analog signal (BW : 2.45GHz) C801 Clock(26MHz) FL7901 X7301B U7301B C7309 C7305B +2.6V_MSMP +2.6V_BT LG Electronics Inc.
  • Page 116 +2.6V_BT SPIM_CLK PCM_IN BT_PCM_DOUT SPIM_CS_N PCM_OUT BT_PCM_DIN PCM_CLK BT_PCM_CLK U7301B C7310B BT_LPO LPO_IN PCM_SYNC BT_PCM_SYNC 100p XO_IN_LOAD UART_TXD BT_UART_RXD XO_OUT_LOAD XOUT UART_RXD BT_UART_TXD UART_RTS_N BT_UART_CTS/ GPIO_0 UART_CTS_N BT_UART_RFR/ X7301B GPIO_6 TSX-3225_26MHZ GPIO_1 HUSB_DN GPIO_5 HUSB_DP C801 Clock(26MHz) LG Electronics Inc.
  • Page 117 Check the clock at C801 Replace the X7301B (about 26 MHz) Check the RF signal at C7902 Replace the U7301B (about 2.45 GHz) Check the RF signal at L7901 Replace the FL7901 (about 2.45 GHz) Change the main PCB LG Electronics Inc.

  • Page 118: Chapter 5. Safety

    If so, use only a manufacture approves antenna. Otherwise, take your phone to a qualifies service center for repair. Use only the supplied or approved antenna. Non-approved antennas, modifications, or attachments, could impair call quality, damage the phone, and violate FCC regulations. LG Electronics Inc.
  • Page 119 LG Electronics Inc.
  • Page 120 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. LG Electronics Inc.

  • Page 121: Chapter 6. Glossary

    A-key. A secret, 64-bit pattern stored in the mobile station. It is used to generate update the mobile station’s Shared Secret Data. The A-key is used in the mobile station authentication process. LG Electronics Inc.
  • Page 122 Neighbor Set, and Remaining Set. . See Code Division Multiple Access CDMA Channel. The set of channels transmitted between the base station within a given CDMA frequency assignment. See also Forward CDMA Channel and Reverse CDMA Channel. LG Electronics Inc.
  • Page 123 Digital Color Code (DCC). A digital signal transmitted by a base station on a forward analog control channel that is used to detect capture of a base station by an interfering mobile station. Dim-and-Burst. A frame in which primary traffic is multiplexed with either secondary traffic or signaling traffic. LG Electronics Inc.
  • Page 124 Channels. The Forward CDMA Channel always carries a Pilot Channel and may carry up to one Sync Channel, up to seven Paging Channels, and up to 63 Traffic Channels, as long as the total number of channels, including the Pilot Channel, is no greater than 64. LG Electronics Inc.
  • Page 125 Layer 2. Layer 2 provides for the correct transmission and reception of signaling messages, including partial duplicate detection. See also Layering and Layer 3. Layer 3. Layer 3 provides the control of the Cellular telephone systems. Signaling messages originate and terminate at layer 3. See also Layering and Layer 2. LG Electronics Inc.
  • Page 126 Mobile Station Terminated Call. A call received by a mobile station (not to be confused with a disconnect or call release). Mobile Switching Center (MSC). A configuration of equipment that provides Cellular radiotelephone service. Also called the Mobile Telephone Switching Office (MTSO) LG Electronics Inc.
  • Page 127 OLC. See Overload Class (CDMA) or Overload Control (analog). Optional Field. A field defined within a message structure that is optionally to the message recipient. Order. A type of message that contains control codes for either the mobile station or the base station. LG Electronics Inc.
  • Page 128 CDMA Channel and the Reserve CDMA Channel. Different base station are identified by different pilot PN sequence offsets. Pilot PN Sequence Offset Index. The PN offset in units of 64 PN chips of a pilot, relative to the zero offset pilot PN sequence. LG Electronics Inc.
  • Page 129 Active Set, Candidate Set, and Neighbor Set. See also Active Set, Candidate Set, and Neighbor Set. Request. A layer 3 message generated by either the mobile station or the base station to retrieve information, ask for service, or command an action. LG Electronics Inc.
  • Page 130 Slot Cycle. A periodic interval at which a mobile station operating in the slotted monitors the Paging Channel. Slotted Mode. An operation mode of the mobile station in which the mobile station monitors only selected slots on the Paging Channel when in the Mobile Station Idle State. LG Electronics Inc.
  • Page 131 Timer-Based Registration. A registration method in which the mobile station registers whenever a counter reaches a predetermined value. The counter is incremented an average of once per 80 ms period. Time Reference. A reference established by the mobile station that is synchronous with the earliest arriving multipath component used for demodulation. LG Electronics Inc.
  • Page 132 Walsh Function. One of 2N time orthogonal binary functions (note that the functions are orthogonal after mapping ‘0’ to 1 and ‘1’ to –1). Zone-Based Registration. An autonomous registration method in which the mobile station registers whenever it enters a zone that is not in the mobile station’s zone list. . Microsecond LG Electronics Inc.

  • Page 133: Appendix

    LG501C Appendix LG Electronics Inc.

  • Page 134: Block Diagram

    LG501C Appendix 1. Block Diagram LG Electronics Inc.

  • Page 135: Circuit Diagram

    LG501C Appendix 2. Circuit diagram LG Electronics Inc.
  • Page 136 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 137 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 138 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 139 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 140 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 141 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 142 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 143 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 144 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 145 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 146 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 147 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 148 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.
  • Page 149 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 2-1. MAIN PCB CIRCUIT DIAGRAM Internal Use Only LG Electronics Inc.

  • Page 150: Bga Pin Map

    LG501C Appendix 3. BGA Pin Map LG Electronics Inc.
  • Page 151 LG501C 3-1. U7301B [BCM2070B2KUBXG, EUSY0418701] USED PIN NOT USED PIN LG Electronics Inc.
  • Page 152 LG501C 3-2. U2101B [QSC6055-CD, EUSY0336202] NOT USED PIN LG Electronics Inc.
  • Page 153 LG501C 3-3. U2201B [H8BCS0SI0BAR-46M, EUSY0347506] LG Electronics Inc.
  • Page 154 LG501C 3-4. U6481B [TPA6136A2YFF, EUSY0412501] USED PIN NOT USED PIN LG Electronics Inc.

  • Page 155: Component Layout

    LG501C Appendix 4. Component Layout LG Electronics Inc.
  • Page 156 APCPCWM_4828539:WP_0000001WP_0000001 LG501C 4-1. Main PCB Component Layout VA6307 VA6308 VA6309 C4723 R402 LD4727 LD4728 R401 VA400 KB604 KB601 KB608 KB607 KB600 KB4701 KB606 KB6415 LG Electronics Inc.
  • Page 157 4-1. Main PCB Component Layout C6486B U6481B C6484B C6485B R4862 R4863 FL4861 C4864 C4862 C4865 C4861 C7310B C7306B C7307B C7305B C7308B U7301B R7303B C7303B X7301B C7302B R6212B R6211B R6213B C6210B R6214B R6210B C6211B R6215B C6212B C6213B C6214B C6215B C6216B C6217B LG Electronics Inc.

  • Page 158: Exploded View

    MCCE0063903 CAP MIC MCCZ0051001 FILTER RECEIVER MFBZ0034901 PIFA Antenna,Multiple EAA62484601 TAPE DECO MTAA0235101 MOTOR SJMY0007905 DECO FRONT MDAY0097401 CONNECTOR ENZY0019901 TAPE WINDOW MTAD0139301 CAN ASSY SHIELD ACKA0037701 WINDOW LCD MWAC0158002 INSULATOR (LCD) MIDZ0283401 TAPE PROTECTION (DUMMY) MJN67879401 LG Electronics Inc.

  • Page 159: Part List (Mechanic)

    Rechargeable Battery, Lithium Ion SBPL00 Screw, Machine GMEY00 Cover Assembly, Rear ACGM00 Can Assembly, Shield ACKA00 Midrophone, Condenser SUMY00 PCB Assembly, Main EBR00 Keypad Awwembly, Main AKAC00 Cover Assembly, Front ACGK00 Window, LCD MWAC00 Tape, Protect (CLING) MJN00 LG Electronics Inc.
  • Page 160 Camera Module SVCY00 Can Assembly,Shield ACKA00 Michrophone, Condenser SUMY00 PCB,Sidekey SPKY00 PCB Assembly, Main EBR00 Receiver SURY00 LCD,Module-TFT EAJ00 Dome Assembly,Metal ADCA00 Keypad Assembly,Main AKAC00 Button MBJZ00 Cover Assembly,Front ACGK00 Cap,Receptacle MCCE00 Window,LCD MWAC00 Tape,Protect (CLING) MJN00 LG Electronics Inc.
  • Page 161 ACKA0037701☞ 3 6 Absorber,Electromagnetic Wave MKU30223501 6 Damper MPBZ0366201 5 Dome Assembly,Metal ADCA0122601 5 Receiver SURY0010113 EMR1207SPT2P 5 Camera Module SVCY0026401 HSIS-LM08SSFF 3 Screw,Machine GMEY0014301 GMEY0014301 2 Tape,Protect MJN67879401 2 Label,Approval MLAA0057303 1 Package Assembly APAY0082704☞ 11 LG Electronics Inc.

  • Page 162: Part List (Circuit)

    LG501C Appendix 7. Part List (Circuit) LG Electronics Inc.
  • Page 163 ICVL0505101V150FR 5.6V 0% 60F 1.0*0.5*0.55 NONE SMD R/TP VA6307 Varistor SEVY0003601 ICVL0505101V150FR 5.6V 0% 60F 1.0*0.5*0.55 NONE SMD R/TP VA6308 Varistor SEVY0003601 ICVL0505101V150FR 5.6V 0% 60F 1.0*0.5*0.55 NONE SMD R/TP VA6309 Varistor SEVY0003601 ICVL0505101V150FR 5.6V 0% 60F 1.0*0.5*0.55 NONE SMD R/TP LG Electronics Inc.
  • Page 164 CL05A225MP5NSNC 2.2uF 20% 10V X5R -55TO+85C 1005 C6485B Capacitor,Ceramic,Chip ECCH0007804 CL05A225MP5NSNC 2.2uF 20% 10V X5R -55TO+85C 1005 C2101B Capacitor,Ceramic,Chip ECCH0009101 C0603X5R0J104KT00NN 0.1uF 10% 6.3V X5R -55TO+85C 0603 C2102B Capacitor,Ceramic,Chip ECCH0009101 C0603X5R0J104KT00NN 0.1uF 10% 6.3V X5R -55TO+85C 0603 LG Electronics Inc.
  • Page 165 C1005C0G1H050CT000F 5pF 0.25PF 50V NP0 -55TO+125C 1005 C1812 Capacitor,Ceramic,Chip ECZH0000806 C1005C0G1H050CT000F 5pF 0.25PF 50V NP0 -55TO+125C 1005 C1151 Capacitor,Ceramic,Chip ECZH0000813 C1005C0G1H101JT 100pF 5% 50V NP0 -55TO+125C 1005 C1152 Capacitor,Ceramic,Chip ECZH0000813 C1005C0G1H101JT 100pF 5% 50V NP0 -55TO+125C 1005 LG Electronics Inc.
  • Page 166 C1005X5R1A105KT000F 1uF 10% 10V X5R -55TO+85C 1005 C6481B Capacitor,Ceramic,Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10% 10V X5R -55TO+85C 1005 C6482B Capacitor,Ceramic,Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10% 10V X5R -55TO+85C 1005 C6483B Capacitor,Ceramic,Chip ECZH0001420 C1608X5R1A105KT000E 1uF 10% 10V X5R -55TO+85C 1608 LG Electronics Inc.
  • Page 167 L2101B Inductor,Wire Wound,Chip ELCP0012201 CIG21L4R7MNE 4.7UH 20% - 750mA 0.26OHM - - SHIELD 2X1.25X1MM L2102B Inductor,Wire Wound,Chip ELCP0012201 CIG21L4R7MNE 4.7UH 20% - 750mA 0.26OHM - - SHIELD 2X1.25X1MM CN5201 Connector,BtoB ENBY0039601 GB042-20S-H10-E3000 20P 0.4MM STRAIGHT SOCKET SMD R/TP 1M LG Electronics Inc.
  • Page 168 MCR01MZP5J104 100KOHM 5% 1/16W 1005 R/TP - ROHM. R1905 Resistor,Chip ERHZ0000410 MCR01MZP5J120 12OHM 5% 1/16W 1005 R/TP - ROHM. R2109B Resistor,Chip ERHZ0000456 MCR01MZP5J2R2 2.2OHM 5% 1/16W 1005 R/TP - ROHM. R1808 Resistor,Chip ERHZ0000473 MCR01MZP5J390 39OHM 5% 1/16W 1005 R/TP - ROHM. LG Electronics Inc.
  • Page 169 ICVE10184E150R101FR ESD/EMI 0HZ 15pF 0H SMD FL5105 Filter,EMI/Power SFEY0010501 ICVE10184E150R101FR ESD/EMI 0HZ 15pF 0H SMD FL5201 Filter,EMI/Power SFEY0010501 ICVE10184E150R101FR ESD/EMI 0HZ 15pF 0H SMD FL5202 Filter,EMI/Power SFEY0010501 ICVE10184E150R101FR ESD/EMI 0HZ 15pF 0H SMD FL5203 Filter,EMI/Power SFEY0010501 ICVE10184E150R101FR ESD/EMI 0HZ 15pF 0H SMD LG Electronics Inc.
  • Page 170 B9419 1960 1.4*1.1*0.45 SMD ACPM-7354-TR1 dBm,%,A,dBc,dB,5.0*3.0*1.05,SMD,DCN+USPCS,CPL,2 MODE,1D U1144 IC,Power Amplifier SMPY0023501 CNIN,14CPLOUT,3.2V~4.2V,2 U1251 Module,GPS SMZY0021701 ALM-2412 ALM-2412,GPS LNA Module integrated Filter,3.3x2.1x1.1 U1102 Module,Assembly SMZY0022401 ACFM-7107 Duplexer module Quadplexer, DCN/US-PCS duplexer module MIC6701 Microphone,Condenser SUMY0010609 SPU0410HR5H -PB SPU0410HR5H -PB,UNIT,42 dB,3.76*2.95*1.1 LG Electronics Inc.

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