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LG KE520 Service Manual

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Internal Use Only
Service Manual
KE520
Date: December, 2007 / Issue 1.0

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Summary of Contents for LG KE520

  • Page 1 Internal Use Only Service Manual KE520 Date: December, 2007 / Issue 1.0...

  • Page 2: Table Of Contents

    Trouble Shooting....... 100 <Main component> ......180 4.15 Ear-Mic Headset MIC Trouble 12.3 Accessory ......... 196 Shooting..........101 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...
  • Page 3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 4 - Only for training and service purposes...

  • Page 4: Introduction

    D. Maintenance Limitations Maintenance limitations on the KE520 must be performed only at the LGE or its authorized agents. The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that unautho rized alternations or repair may affect the regulatory status of the system and may void any remaining warranty.

  • Page 5: Performance

    2. Performance 2. Performance 2.1 Product Name KE520 : GPRS Class 10 / EDGE Class 10 2.2 Supporting Standard Item Feature Comment Supporting Standard EGSM/DCS1800/PCS1900 with seamless handover Phase 2+(include AMR) SIM Toolkit : Class 1,2,3,E Frequency Range GSM900 TX : 880 - 915 MHz...

  • Page 6: Hw Feature

    262K Color TFT (176 x 220) Backlight : White LED Built-in Camera 2M CMOS Camera One button access Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
  • Page 7 Voice Recording Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Optional Data Cable Optional T-Flash (External Memory) Optional LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
  • Page 8 Service Dial Number Own Number Voice Memo Call Reminder Network Selection Automatic Mute Call Divert Call Barring Call Charge (AoC) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
  • Page 9 2M F/F / Digital Zoom : x4 JAVA CLDC V1.1 / MIDP V2.0 Download Over WAP Voice Dial LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...
  • Page 10 Class 10 EDGE Class 10 Hold / Retrieve Conference Call Max. 6 DTMF Memo pad Sync ML Email Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...

  • Page 11: Technical Specification

    8 dBm 22 dBm 6 dBm 20 dBm 4 dBm 18 dBm 2 dBm 16 dBm 0 dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...
  • Page 12 3,000~ <6,000 6,000 GSM900 Offset from Carrier (kHz) Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
  • Page 13 * Mean that Adopt a straight line in between 300 Hz and 1,000 Hz to be Max. level in the range. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
  • Page 14 1. Ringer set as ringer. 2. Test distance set as 50 cm Charge Voltage Fast Charge : < 550 mA Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
  • Page 15 Battery full charge voltage = 4.2 V Capacity: 800mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60Hz Output: 5.1V, 700mA LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...

  • Page 16: Circuit Description

    In addition, the baseband section integrates A/D and D/A converters which provide automatic on-chip correction of DC offsets. <Fig.1> Receiver Part Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 -...
  • Page 17 DAC which cancels the DC offset at the output. The sequencer ensures that on-chip filters have sufficient time to settle before applying correction in the next digital offset cancellation stage. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
  • Page 18 Three main functions are identified in the transmitter architecture; I/Q vector modulation at IF frequency, amplitude and phase loop at IF/RF frequencies and power amplification. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 -...
  • Page 19 3. Circuit Description 3.2.3 RF Systhesiser 3.2.4 Front End Module Specification 3.2.4.1 Block Diagram and External Matching Condition LMSP43NA-504TEMP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
  • Page 20 -. Built-in LDO circuit -. GPRS Class 12 operation compatible -. Integrated directional coupler 3.2.5.2 Circuit Diagram and peripheral components RPF09036B Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
  • Page 21 3. Circuit Description 3.2.6 Digital Core 3.2.6.1 Digital Interface Block Diagram Fig. 1-1 Digital Interface Block Digram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
  • Page 22 SysClkEn is negated, the SysClk is held low, and if the TEST1 pin is low by the default settings, the logic power supply by typical 1.8 volts to the internal core logic circuits is also switched off. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...

  • Page 23: Digital Baseband

    - A DSP subsystem based on a UMA 2.6 architecture integrating a C55x DSP core The OMAPV1030’s silicon process technology is a c027.0 90-nm digital CMOS. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
  • Page 24 The other OMAPV1030 modules or subsystems are connected to the OMAP3.4 platform through the L3 and L4 interconnects. <Fig.7> OMAPV1030 Top-Level Architecture Overview Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
  • Page 25 - The second one is based on a two-wire bidirectional scheme: one wire for data in/out, and one for control receive/transmit. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
  • Page 26 - The serial radio interface module is used for the two-wire data interface. - A system clock interface receives a squared 26-MHz clock from the RF IC. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
  • Page 27 VRUSIM(Power supply VCC) : 3 V 10% (class B) or 1.8 V 10% (class C) Misc_ext_irq : USIM card presence detection (USIM_CD) purposes. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
  • Page 28 UART3_TX UART3_TXD Transmit Data UART3_RTS UART3_RTS Request To Send UART3_CTS UART3_CTS Clear To Send <Table.2> UART Interface Spec Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
  • Page 29 3. Circuit Description 3.3.6 GPIO Map KE520 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level, is shown in below table 3. GPIO No. Ball Pin Name Mode0 ACTIVE gpio_0 ELCD_NRESET DIF_RESET gpio_1 GPIO_1 SLIDE LOW : SLIDE UP, HIGH : SLIDE DOWN...
  • Page 30 Figure13, Figure14 show the frame and data timing according to synchronization signals in the parallel NOBT configuration. <Table 4> Generic Parallel Camera Interface Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...

  • Page 31: Analog Baseband

    - A JTAG and boundary scan - A USB 2.0 OTG transceiver with a car-kit interface <Fig.11> TWL3029 Architecture LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
  • Page 32 3.4.3 Power Resources The power supply module of Triton generates the different power supplies required by Triton, the processors and the external peripherals. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...
  • Page 33 3. Circuit Description <Fig.12> Power Supply Scheme LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
  • Page 34 Battery Sensing - Now No Use <Table.5> ADC Channel Spec 3.4.5 Switch ON/OFF KE520 Power State : Defined 4cases as follow - Power-ON : mobile is powered by main battery or backup battery. - Power-OFF : mobile isn’t any battery.
  • Page 35 NFCS_3 VSS5 0.1u 0.1u 0.1u R200 SDCLKX VSS6 VSS7 NFOE FRDY R__B LDQS DQSL NFWE UDQS DQSH NFWP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
  • Page 36 Pixel format RGB Vertical Stripe Dot pitch 0.06(H)*0.18(V) Display operating mode Transmissive type User viewing angle O’ clock Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 - Only for training and service purposes...
  • Page 37 3. Circuit Description 3.4.7.3 LCD module pin map description VCC(2.8V) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
  • Page 38 S_UP S_MENU_LEFT KBC(1) VOLUME_DOWN S_DOWN S_MENU_RIGHT KBC(2) CAMERA HOT KEY S_OK SEND KBC(3) AST(*) SHP(#) S_LEFT KBC(4) S_RIGHT Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
  • Page 39 UART3 Data Send Ready VBUS_IN USB POWER( +5.0 V) UART2_TX TEST : UART2 (Transmit Data) UART2_RX TEST : UART2 (Receive Data) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...

  • Page 40: Wlan + Bluetooth Module Interface

    WLAN_UART_TX VDD VOUT X500 TG-5010LH-87N R506 TP515 WLAN_SYSCLK GND1 WLAN_DEBUG_TX SYS_CLK_REQ GND2 C505 TP516 C507 WLAN_DEBUG_RX 26MHz C506 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
  • Page 41 3. Circuit Description 3.5.2 Pin Description LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...
  • Page 42 3. Circuit Description Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 - Only for training and service purposes...
  • Page 43 Signal level is determined to be 1.8V for data 1, and 0V for data 0. SDIO_D0, SDIO_D1, SDIO_D2, SDIO_D3, SDIO_CMD, SDIO_CLK 3.5.4 Bluetooth Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...

  • Page 44: Fm Radio Interface

    I2C_SDA : I2C Data. - FM Radio Reset This should be low for the first time and is controlled by DBB. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
  • Page 45 3. Circuit Description 3.6.2 Pin Description 3.6.3 FM Radio Block Diagram Si4702/03 FM Receiver Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...

  • Page 46: Trouble Shooting

    U402 : Power Amplifier Module(RPF09036B) U403 : 2.8V Regulator U404 : 2.8V Regulator FL400 : Front End Module(LMSP43NA-504TEMP) X400 : DCXO-26MHz Clock Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
  • Page 47 0.01u 2.2u U403 C441 REGEN C_VCCRF TPS79928DRVR U404 PGND C442 C443 0.01u 2.2u U404 <Fig.1> Regulator Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
  • Page 48 C434 VREG RPF09036B 33nF VBAT2 GND5 BAND_SELECT POUT_XCS PIN_XCS L406 2.2nH C436 C437 0.5p <Fig.2> PAM Circuit Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
  • Page 49 L404 G85LNAI 12nH C421 G85LNAIB G85GND C422 GNDLNA_TX1 TXON Matching circuit <Fig.3> FEM & LNA Matching Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
  • Page 50 CTRLEN DIGITALRF_RF_CS DMIXIN CTRLDATA DIGITALRF_RF_DATA DMIXINB CTRLCLK DIGITALRF_RF_CLK C426 SYSCLKEN C424 0.01u C_VCCRF <Fig.4> RF Transceiver Circuit Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...
  • Page 51 Produce RF and BB reference Clock - 26MHz Clock. C407 C406 33nF X400 GNDVCXO_OR VOUTEF2 0.1u C416 VCCVCXO VOUTEF1 VCCLOGIC2 <Fig.5> DCXO Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...

  • Page 52: Rf Part Trouble Shooting

    3. Check FEM Circuit (FL400) 4. Check Transceiver Circuit (U401) 5. Check Mobile Switch (SW400) Re-download SW & CAL Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...
  • Page 53 C439 C440 0.01u 2.2u C441 REGEN C_VCCRF TPS79928DRVR U404 PGND C442 C443 0.01u 2.2u <Fig.1> Regulator Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
  • Page 54 GNDVCXO_OR C407 VOUTEF2 <Fig.2> DCXO Circuit Diagram DCXO C409 DCXO is C407 26MHz? Check U401 <Flow chart> <Wave> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...
  • Page 55 (With spectrum analyzer) FL400 Check Control Signal Check U401 C423,C425,C428,C431 Re-download SW & CAL FEMC1/FEMC2 (C423/C425) TX_BAND(R418) TX_ON(C421) GSM900 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
  • Page 56 CTRLEN DIGITALRF_RF_CS DMIXIN CTRLDATA DIGITALRF_RF_DATA DMIXINB CTRLCLK DIGITALRF_RF_CLK C426 SYSCLKEN C424 0.01u C_VCCRF <Fig.3> Main Transceiver Circuit Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...
  • Page 57 3. Check FEM Circuit (FL400) 4. Check Transceiver Circuit (U401) 5. Check Mobile Switch (SW400) Re-download SW & CAL LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...
  • Page 58 Check C421 Check (With spectrum analyzer) FL400 C420 Check Control Signal Check U401 C423,C425,C428,C431 Re-download SW & CAL Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...

  • Page 59: Bluetooth Trouble Shooting

    Check BT RF OUT (Refer to figure 5) Check DBB(U104) Replace Wi-Fi + BT Re-Download S/W & Analog switch Module LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
  • Page 60 R500, R501 1.8V High Check ABB Check 1.8V High R501 Check SYS_CLK_REQ R500 4.3.1.2 Checking BT VRIO <Fig. 2> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
  • Page 61 Check R507 High WiFi+BT Module Check WLAN_SYSCLK 1.28s VBAT V_TCXO U501 R1114D281D-TR-F VOUT GND1 SYS_CLK_REQ GND2 C505 C507 <Fig. 3> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
  • Page 62 Or Check U501 U501 Check BT RF OUT 26MHz V_TCXO X500 TG-5010LH-87N R506 <Fig. 4> WLAN_SYSCLK 26MHz C506 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...
  • Page 63 DIO_CLK TP504 T_WAKE GND7 TP506 GND6 GND5 GND4 TDOWN BT_NRST IO_CMD BT_TX O_DATA BT_RX TSPI_CS BT_RTS DIO_IRQ BT_CTS LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...

  • Page 64: Baseband Part Troubleshooting

    - Check the output voltages of all LDOs. R624 PWON R625 KBC(2) R626 KBR(3) VA603 VA604 VA605 CN602 EVLC5S02100 EVLC5S02100 EVLC5S02100 <Fig. 1> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
  • Page 65 C136 : VRIO => 1.8V C137 : VRABB => 2.8V C138 : VRMEM => 1.8V C139 : VRPLL => 1.3V / 1.4V LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
  • Page 66 4. TROUBLE SHOOTING <Fig. 2.1> Triton Power Supplies Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...
  • Page 67 Replace Main FPCB Main FPCB is OK? U102( Main) check ? Replace the U102(Main) Booting is operating properly R624 CN602 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
  • Page 68 -20˚C ~ 60˚C : Charging z 60˚C ~ : small charging operation Blink ↑ 3.58V~3.35V 3.82V 3.81V~3.71V 3.62V~3.59V 3.70V~3.63V Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...
  • Page 69 _PPR _CHG _CHG_STAT 9 ICDL 7 USBON 5 _EN PGND CHG_EN C105 C106 C107 R113 1 uF 100K LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
  • Page 70 Is LOW in case charging ? Replace the IC The Battery may have Problem. Battery is OK? Change Battery Charging is operating properly Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...
  • Page 71 4. TROUBLE SHOOTING MAIN PCB BOT. CN300 U101 Pin 12,13 MAIN PCB TOP FB303 FB302 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...

  • Page 72: Lcd Display Trouble

    - The FPCB which connects the LCD Module z Trouble Shooting Setup - Connect PIF Jig, and Power on Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...
  • Page 73 ESD9X5.0ST5G ESD9X5.0ST5G C100 C101 C102 C103 INSTPAR INSTPAR INSTPAR INSTPAR INSTPAR 0.1u 0.1u ZD104 ZD100 ZD103 ZD101 ZD102 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
  • Page 74 E_DATA(2) KBC(0) E_DATA(1) KBC(1) E_DATA(0) KBC(2) KBC(3) DIF_RD KBC(4) DIF_WR DP_PWON DIF_ADS FLASH_EN MAIN_CS DIF_RESET DIF_VSYNC DIF_IF DP_IO_ON Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...
  • Page 75 Slide key PCB Connector<CN4> Connector<CN1, CN2> 4.5.3 Check Point #3 - Main PCB EMI filter FPCB Connector <FL200,FL201,FL202,FL203,FL204> <CN200> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
  • Page 76 - You must check signals LCD Connector Side of a Main FPCB because you could check final signal states through EMI Filter, connector, FPCB and etc. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 -...
  • Page 77 After changing the board, The LCD is broken. LCD Display is OK? Change the LCD. Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...

  • Page 78: Camera Trouble Shooting

    Trouble Shooting Setup - Enter the engineering mode. - Go to menu °Æ3.Baseband -> 4.Camera -> 1.Main LCD Preview ’ Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
  • Page 79 4.6.1 Check Point #1 - Connection of Camera Module Camera module 1.5V 2.8V Point Point 1.8V Point CAM_RS T CAM_D(0~7) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
  • Page 80 4.6.2 Check Point #2 - Connection of Slide PCB Connector < CN101 > < CN100 > Slide PCB Connector Main PCB Slide key PCB Connector<CN4> Connector<CN1, CN2> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
  • Page 81 4. TROUBLE SHOOTING 4.6.3 Check Point #3 - Main PCB Main Connector< CN200> CAM_HS CAM_VS CAM_PCLKCAM_MCLK LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
  • Page 82 - You must check Camera signals at a Connector Side of a Main FPCB because you could check final signal states through connector, FPCB and etc. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 -...
  • Page 83 Replace the FPCB After changing the board, The Camera is broken. Change the Camera. Camera is OK? Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...

  • Page 84: Flash Led Trouble Shooting

    Check Point - Check the connection status - Check the soldering of Components - Check the FLASH_LED signal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
  • Page 85 LED_CA2 LED_CA3 R122 LCD_BL_EN EN_SET U101 C110 C111 C112 C113 R124 AAT2805IXN-4.5-T1 R125 CHARGE PUMP 3LED(60mA) + FLASH(300mA) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
  • Page 86 Replace the FPCB The LED is broken. After changing the board, Change the LED. LED is OK? Change the board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...

  • Page 87: Sim Detect Trouble Shooting

    SIM_PWRCTRL : SIM Card power activation SIM_RST : SIM Card async/sync reset SIM_IO : SIM Card bi-directional data line LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
  • Page 88 Trouble Shooting Procedure - Check the power supply - Check the soldering of SIM socket - Check the SIM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
  • Page 89 The SIM Card is OK? SIM card is broken. Change the SIM Card. The DBB(U103) is broken. Change the board. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...

  • Page 90: Slide Up/Down And Trouble Shooting

    Slide Signal Status L : Down (Magnetized) => Slide Down H : Up (Not magnetized) => Slide Up Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
  • Page 91 Folder signal is low on The U100 is broken Magnetizing into U100? The DBB(U103) is broken. Change the board. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...

  • Page 92: Speaker/Receiver Trouble Shooting (Common Path)

    Check the output(C219) of U201 The signal is a digital Check the Speaker contact PAD of the F-PCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
  • Page 93 The signal is a Analog U201 is broken. Replace the U201. <Fig.2> OUTPUT(C219)of U201 <Fig.1> INPUT(C211) of U201 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
  • Page 94 Check the C211(SPKNA),C213(SPKPA) Change the board. The signal is a Analog Check the Speaker contact PAD of the F-PCB U201 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...

  • Page 95: Speaker/Receiver Trouble Shooting (Acoustic Path)

    Check the RCV_N, RCV_P The signal is a analog Change the board. Check the Speaker contact PAD of the F-PCB LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...

  • Page 96: Mic Trouble Shooting

    - MICIN, MICIP signal from MIC(MIC600) z Check Point - MIC bias - Audio Signal level of the Microphone - Soldering of Components Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
  • Page 97 MIC100. Is it a few tens mVAC? Check the soldering of Replace U102 C113,C114,C600,C601,L601,L602 change the Main Board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...

  • Page 98: Ear-Mic Jack Detection Trouble Shooting

    Re-solder Pin #8 of CN300 Of CN300. Is it O.K? The main_PCB has a Problem, Change the main_PCB. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 - Only for training and service purposes...

  • Page 99: Ear-Mic Hook Detection Trouble Shooting

    Check the soldering status Re-solder Of R302,R303,R304,C305,VA300 R302,R303,R304,C305,VA300 U103(DBB) is broken. Change the board. U301 R303 R302 R304 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...

  • Page 100: Ear-Mic Headset Mic Trouble Shooting

    Check the soldering Pin #2 of CN300 VA300 U102(ABB) is broken. Change the board. C316 C313 R309 C309 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...

  • Page 101: Ear-Mic Headset Hsor/Hsol Trouble Shooting

    The main_PCB has a FB301 Problem, Change the main_PCB. FB300 R307 R306 L101 C117 C121 C116 L100 C122 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
  • Page 102 R124 15K C118 FILTERAPLL C121 C122 C119 C123 C120 4.7n SPKPA1 4.7u SPKPA2 SPKPA SPKNA1 SPKNA SPKNA2 SPKPD1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
  • Page 103 0.1u C318 C317 4.7u C319 4.7u UART2_TX UART2_RX UART_TXD UART_RXD VBAT U306 DG2018DN_T1_E4 REMOTE_INT COM4 IN1_2 IN3_4 COM2 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...

  • Page 104: Fm-Radio Trouble Shooting

    GND1 GND2 _RST VRIO C306 C307 C308 R308 0.1u U303 TC7SH04FS C311 C312 0.1u CLK_32K 0.1u C315 R310 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...

  • Page 105: Transflash Trouble Shooting

    TF_CLK C215 C212 C212 VRMMC 500873-0802 DAT2_RSV TF_DAT2 CD_DAT3_CS TF_DAT3 CMD_DI TF_CMD CLK_SCLK TF_CLK DAT0_DO TF_DAT0 DAT1_RSV TF_DAT1 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
  • Page 106 DAT2,DAT3 Transflash card has a problem. Change the Transflash card S1or CN201 has a problem. Change the main-board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
  • Page 107 4. TROUBLE SHOOTING z VRMMC Signal(Power ON) <VRMMC Signal when T-Flash is inserted> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...

  • Page 108: Main Key Backlight Led Trouble Shooting

    - The LEDs are forward biased and turned on z Check Point - VBAT level ( 3.35 ~4.2V) - LEDs - Q600(Main PCB) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...
  • Page 109 Check the soldering of each Are all LEDs Resistor or Replace LEDs not LD600~609(Main PCB) working. Working? Backlight will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...

  • Page 110: Slide Key Backlight Led Trouble Shooting

    - The LEDs are forward biased and turned on z Check Point - VBAT level ( 3.35 ~4.2V) - LEDs Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
  • Page 111 Check the soldering of each Are all LEDs LED100~105 Resistor or Replace LESs not (Slide key) Working? working Backlight will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...

  • Page 112: Vibrator Trouble Shooting

    L200 100nH OUT200 VIBRATOR L201 100nH OUT201 C214 Close to ABB L200, L201 OUT201, OUT200 Soldering check C214 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
  • Page 113 Voltage is 2.7V? If problem, re-solder inductor. Check the soldering of Vibrator. Re-solder Vibrator. Vibrator has a problem. Change Vibrator LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...

  • Page 114: Wi-Fi Trouble Shooting

    Check BT RF OUT (Refer to figure 5) Check DBB(U104) Replace Wi-Fi + BT Re-Download S/W & SDIO Signal Module Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
  • Page 115 Check R500, R501 1.8V Check ABB Check R502, R503 VBAT R502 VBAT R503 R501 Check SYS_CLK_REQ R500 <Fig. 2> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 116 - Only for training and service purposes...
  • Page 116 Check R507 High WiFi+BT Module Check WLAN_SYSCLK VBAT V_TCXO U501 R1114D281D-TR-F VOUT GND1 SYS_CLK_REQ GND2 C505 C507 <Fig. 3> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
  • Page 117 U501 Or Check U501 Check BT RF OUT 26MHz V_TCXO X500 TG-5010LH-87N R506 WLAN_SYSCLK <Fig. 4> 26MHz C506 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
  • Page 118 TSDIO_CLK TP504 OST_WAKE GND7 TP506 GND6 GND5 GND4 SHUTDOWN BT_NRST TSDIO_CMD BT_TX SDIO_DATA BT_RX _BTSPI_CS BT_RTS TSDIO_IRQ BT_CTS Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...

  • Page 119: Download

    IBM compatible PC supporting USB with Windows 98 or newer If you use data kit, you should have a battery with the voltage above 3.7V LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
  • Page 120 IBM compatible PC supporting RS-232 with Windows 98 or newer If you use battery, you should have a battery with the voltage above 3.7V. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 -...

  • Page 121: Download Procedure

    1. Copy "GSMULTI" Folder. Paste in " C:\" → 2. Execute "GSMULTI.reg file" Registered at PC 3. "MultiGSM.exe" execution file LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
  • Page 122 5.3.2 Click the “Setting” button. Then, choose Configuration which is going to download. → 4. Munu "Setting" "Configuration" Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 123 - Only for training and service purposes...
  • Page 123 5. Configuration : select values like below C;\GSMULTI\MODEL\KE520\KE520.dll Phone software select( *.cab file) Download speed Start Comport END Comport Frame count select internal Boot LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
  • Page 124 5. Download 5.3.4 Computer Program file -> MultiGSM.EXE Click 6. Press the " START" button Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 125 - Only for training and service purposes...
  • Page 125 5.3.5 After “Start Button”, Which Stand-by condition → → 7. Stand-by condition "TI(EX) : Wait ASIC" is displayed connect the Phone LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...
  • Page 126 5. Download 5.3.6 SW downloading condition ∗ Downloading : Start Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
  • Page 127 5. Download 5.3.7 SW downloading END condition ∗ Downloading : END LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...

  • Page 128: Block Diagram

    6. Block Diagram 6. Block Diagram KE520 Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
  • Page 129 6. Block Diagram RF Block Diagram LG Electronics. Inc LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
  • Page 130 6. Block Diagram Combo(WLAN+BT) Module Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...
  • Page 131 RF Transceiver SYSCLKEN CKEN SYSCLKEN SYSCLK VOUTTEF1 BT INTERRUPT WLAN INTERRUPT WAKE_UP SYSCLK SLICER_IN UART3_RX/GPIO_48 GPIO_5 SERIALRF_SYSCLK SLICER_IN LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 132 - Only for training and service purposes...
  • Page 132 GPIO 0 / 90 LOW-IF GPIO 32.768 kHz RCLK TUNE SI4703 SDIO 2.7V ~ 5.5V SCLK XTAL RSSI Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 133 - Only for training and service purposes...
  • Page 133 6. Block Diagram Audio Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 134 - Only for training and service purposes...
  • Page 134 6. Block Diagram Voice Uplink Path Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 135 - Only for training and service purposes...
  • Page 135 6. Block Diagram Voice Downlink Path LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 136 - Only for training and service purposes...
  • Page 136 6. Block Diagram Stereo Audio Path Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 137 - Only for training and service purposes...
  • Page 137 6. Block Diagram LCD Block Diagram TFT LCD Module Charge Pump LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 138 - Only for training and service purposes...
  • Page 138 6. Block Diagram CAMERA Block Diagram 10BIT ADC Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 139 - Only for training and service purposes...
  • Page 139 6. Block Diagram Serial Port Interface LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 140 - Only for training and service purposes...

  • Page 140: Circuit Diagram

    VRIO VRIO VREXTH 1.8 / 200@1.8V 100@2.8V N.A. VREXTL 1.3/1.05 200@1.3V 1.8 / 2.8 100@1.8~2.8V Q100 DTC144EM-T2L KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 141 - LGE Internal Use Only Only for training and service purposes...
  • Page 141 L202 RCV_NN SPK_RCV_P VCC1 RCV_P RCV_PP 33nH SPK_AMPN AMP_EN C220 C221 100p L203 RCV_N RCV_NN 33nH C223 KE520 LGE Internal Use Only - 142 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 142 BOOT SELECT R318 TR_USB_DM VRIO USB_BOOT_SEL R321 Q301 VBUS R322 KTC4075E BATT_TEMPS BATT_TEMP VRIO C320 R324 R325 BOOT_SEL KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 143 - LGE Internal Use Only Only for training and service purposes...
  • Page 143 2.2u C441 REGEN R409 C_VCCRF TEMP_SENSE TPS79928DRVR U404 PT400 R410 22K THERMISTER PGND C442 C443 0.01u 2.2u KE520 LGE Internal Use Only - 144 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 144 R506 TP515 GND1 WLAN_SYSCLK WLAN_DEBUG_TX SYS_CLK_REQ GND2 C505 TP516 C507 WLAN_DEBUG_RX 26MHz C506 OJ500 OJ501 OJ502 OJ503 KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 145 - LGE Internal Use Only Only for training and service purposes...
  • Page 145 GND2 GND3 SIM_PWRCTRL GND1 GND4 R628 SIM_CLK SIM_IO SIM_RST J600 C615 C616 C617 C618 150p 150p 0.1u KE520 LGE Internal Use Only - 146 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 146 CMD_DI TF_CMD VRMMC TF_DAT3 TF_DAT0 CLK_SCLK TF_CLK TF_CMD DAT0_DO TF_DAT0 DAT1_RSV TF_DAT1 TF_CLK VBACKUP 3V/1mAh C102 0.1u KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 147 - LGE Internal Use Only Only for training and service purposes...
  • Page 147 DP_IO_ON SPK_RCV_P LEWW-S35KA KBR(4) KBR(5) KBC(0) KBC(1) 100p VBAT EVLC18S02015 KBC(2) KBC(3) OUT2 KBC(4) SPK_RCV_N EVLC18S02015 EVLC18S02015 KE520 LGE Internal Use Only - 148 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 148 LED_CA3 R122 LCD_BL_EN EN_SET U101 C110 C111 C112 C113 R124 AAT2805IXN-4.5-T1 R125 CHARGE PUMP 3LED(60mA) + FLASH(300mA) KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 149 - LGE Internal Use Only Only for training and service purposes...
  • Page 149 7. CIRCUIT DIAGRAM CAM/PWR SIDEKEY (PWON) (CAM) KBR(3) (CAM) KBC(2) PWON KE520 LGE Internal Use Only - 150 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 150 7. CIRCUIT DIAGRAM VOLUME SIDEKREY (UP) (DOWN) KBR(3) KBC(0) (UP) KBC(1) (DOWN) KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. - 151 - LGE Internal Use Only Only for training and service purposes...
  • Page 151 LGE Internal Use Only - 152 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 152: Bga Ic Pin Check

    8 BGA IC Pin Check 8 BGA IC Pin Check 8.1 ABB : T3029FZQWR Used Not used Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 153 - Only for training and service purposes...
  • Page 153 8 BGA IC Pin Check 8.2 DBB : PD761811BZVL Used Not used LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 154 - Only for training and service purposes...
  • Page 154 8 BGA IC Pin Check 8.3 MEMORY : K5E1G12ACA-D075 (Not in use) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
  • Page 155 8 BGA IC Pin Check 8.4 TRANSCEIVER : R2A60167BG Used Not used LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...

  • Page 156: Pcb Layout

    8. PCB LAYOUT U302 CN200 Can't operate FM Radio Main FPCB connector No LCD display No sounds No Camera Preview Copyright © 2007 LG Electronics. Inc. All right reserved. - 157 - LGE Internal Use Only Only for training and service purposes...
  • Page 157 Can't boot the phone U200 MEMORY Can't boot the phone. U500 WLAN+BT COMBO MODULE Can't operate WLAN or BT connection. LGE Internal Use Only - 158 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 158 8. PCB LAYOUT Copyright © 2007 LG Electronics. Inc. All right reserved. - 159 - LGE Internal Use Only Only for training and service purposes...
  • Page 159 8. PCB LAYOUT LGE Internal Use Only - 160 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 160 8. PCB LAYOUT Copyright © 2007 LG Electronics. Inc. All right reserved. - 161 - LGE Internal Use Only Only for training and service purposes...
  • Page 161 8. PCB LAYOUT LGE Internal Use Only - 162 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 162 8. PCB LAYOUT Copyright © 2007 LG Electronics. Inc. All right reserved. - 163 - LGE Internal Use Only Only for training and service purposes...
  • Page 163 8. PCB LAYOUT LGE Internal Use Only - 164 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 164: Rf Calibration

    GSM 5 Level 33 dBm Mobile Base Station Station Tx Cal = In this case, to make MS transmit 33dBm Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 165 - Only for training and service purposes...

  • Page 165: Calibration Program - Hot_Kimchi

    10.3.2 Required Equipments - Test PC with PCMCIA slot - GPIB card - E5515C(Agilent 8960 series) - Power supply LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 166 - Only for training and service purposes...
  • Page 166 10. RF Calibration 10.3.3 Calibration Equipment Setup KE520 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 167 - Only for training and service purposes...
  • Page 167 10. RF Calibration 10.3.4 Calibration program - HOT_KIMCHI 10.3.4.1 Open the HOT_KIMCHI folder 10.3.4.2 Execute Program (HOT_KIMCHI) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 168 - Only for training and service purposes...
  • Page 168 10.3.4.3 Set the “SETTING” menu 10.3.4.4 Click the “START” LOGIC MODE 1. CAL ONLY 2. AUTO ONLY 3. CAL + AUTO Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 169 - Only for training and service purposes...
  • Page 169 10. RF Calibration 10.3.4.5 Check “[TEST RESULT] : PASS” LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 170 - Only for training and service purposes...

  • Page 170: Engineering Mode

    Main LCD RGB a. Red b. Green c. Blue d. White e. Black f. RGB Value iv) Display test Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 171 - Only for training and service purposes...
  • Page 171 6. IIR UL Setting3 4. CTRL4 GAIN 7. IIR DL Disable 8. IIR UL Disable vii) DVC Gain viii) Audio Info LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 172 - Only for training and service purposes...
  • Page 172 7. Factory default : Factory Reset 8. GSM Band Test 1) GSM ALL BAND 2) E GSM 3) DCS 1800 4) PCS 1900 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 173 - Only for training and service purposes...
  • Page 173 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 174 - Only for training and service purposes...

  • Page 174: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW SJMY0008406 31 33 40 15 SUSY0026101 Copyright © 2007 LG Electronics. Inc. All right reserved. - 175 - LGE Internal Use Only Only for training and service purposes...
  • Page 175 LGE Internal Use Only - 176 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 176: Replacement Parts

    Without Color MTAF00 TAPE,MOTOR MTAF0013501 COMPLEX, (empty), , , , , Without Color COVER ACGR00 ACGR0012201 Without Color ASSY,SLIDE(LOWER) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 177 - Only for training and service purposes...
  • Page 177 SCREW MACHINE,BIND GMEY0012901 1.4 mm,2.5 mm,MSWR3 ,B ,+ , Silver 36,69 GMEY01 SCREW MACHINE,BIND GMEY0017801 Without Color 21,50 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 178 - Only for training and service purposes...
  • Page 178 Without Color ADCA00 DOME ASSY,METAL ADCA0069901 KE520_DOME_ASSY_METAL_MAIN Without Color MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 179 - Only for training and service purposes...

  • Page 179: Main Component

    39 ohm,1/16W ,J ,1005 ,R/TP RES,CHIP,MAKER ERHZ0000473 39 ohm,1/16W ,J ,1005 ,R/TP RES,CHIP,MAKER ERHZ0000473 39 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 180 - Only for training and service purposes...
  • Page 180 FB101 FILTER,BEAD,CHIP SFBH0000903 600 ohm,1005 , SOT-323 ,.29 W,1.8 V,.86 A,R/TP ,P-Chanel MOSFET, Q100 TR,FET,P-CHANNEL EQFP0004501 Pb free Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 181 - Only for training and service purposes...
  • Page 181 10 ohm,1/16W ,J ,1005 ,R/TP R106 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP R107 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 182 - Only for training and service purposes...
  • Page 182 ECZH0001215 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP C106 CAP,CERAMIC,CHIP ECCH0000391 1 uF,50V ,Z ,Y5V ,HD ,2012 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 183 - Only for training and service purposes...
  • Page 183 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C139 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 184 - Only for training and service purposes...
  • Page 184 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C214 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C215 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 185 - Only for training and service purposes...
  • Page 185 ECZH0000841 56 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C426 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C427 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 186 - Only for training and service purposes...
  • Page 186 ECCH0000187 150 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C616 CAP,CERAMIC,CHIP ECCH0000187 150 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 187 - Only for training and service purposes...
  • Page 187 SC-70 ,.1 W,R/TP ,Pb free Q301 TR,BJT,NPN EQBN0007601 SOT-23 ,0.15 W,R/TP ,EMT3 Q600 TR,BJT,NPN EQBN0007601 SOT-23 ,0.15 W,R/TP ,EMT3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 188 - Only for training and service purposes...
  • Page 188 56K ohm,1/16W,J,1005,R/TP R318 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP R319 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 189 - Only for training and service purposes...
  • Page 189 MICROPAK ,6 PIN,R/TP ,SINGLE BIT UNIT- U203 EUSY0240001 DIRECTIONAL TRANSLATOR / PB FREE U304 EUSY0319201 DFN ,10 PIN,R/TP ,OVP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 190 - Only for training and service purposes...
  • Page 190 ECZH0000813 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C302 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 191 - Only for training and service purposes...
  • Page 191 SMD ,1608 ,EMI-ESD Filter, 4ch, 14V, 15pF, 100ohm FL202 FILTER,EMI/POWER SFEY0013201 SMD ,1608 ,EMI-ESD Filter, 4ch, 14V, 15pF, 100ohm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 192 - Only for training and service purposes...
  • Page 192 200 ohm,1/6W ,J ,1005 ,R/TP R308 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP R309 RES,CHIP,MAKER ERHZ0000475 3900 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 193 - Only for training and service purposes...
  • Page 193 ,10 PIN,R/TP ,typ Rdson 0.4ohm, 1.4X1.8 ,; U202 EUSY0340301 ,IC,Analog Switch U300 EUSY0198601 SOT-666 ,6 PIN,R/TP ,Single SPDT Analog Switch LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 194 - Only for training and service purposes...
  • Page 194 18 V, ,SMD , ZD302 VARISTOR SEVY0003801 18 V, ,SMD , ZD303 VARISTOR SEVY0003801 18 V, ,SMD , Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 195 - Only for training and service purposes...

  • Page 195: Accessory

    100-240V ,5060 Hz,5.1 V,.7 A,CE ,AC-DC ADAPTOR ,; ADAPTOR,AC-DC SSAD0024504 ,85Vac~264Vac ,5.1V(+0.15V, -0.2V) ,700mA ,5060 , ,WALL 2P ,I/O CONNECTOR , LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 196 - Only for training and service purposes...
  • Page 196 Note...
  • Page 197 Note...

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