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LG GD330 Service Manual

LG GD330 Service Manual

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Internal Use Only
Service Manual
GD330
Date: April, 2009 / Issue 1.0

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Summary of Contents for LG GD330

  • Page 1 Internal Use Only Service Manual GD330 Date: April, 2009 / Issue 1.0...
  • Page 2 LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make changes to equipment design as advances in engineering and manufacturing methods warrant. This manual provides the information necessary to install, program, operate and maintain the GD330. Copyright © 2009 LG Electronics. Inc. All right reserved.
  • Page 3 1. INTRODUCTION LGE Internal Use Only - 4 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 4: Table Of Contents

    4.14 Ear-Mic Headset MIC Trouble Shooting .....83 4.15 Ear-Mic Headset HSOR/HSOL Trouble Shooting ..84 4.16 FM-Radio Trouble Shooting ........85 Copyright © 2009 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only Only for training and service purposes...

  • Page 5: Only For Training And Service Purposes

    LGE Internal Use Only - 6 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Introduction

    D. Maintenance Limitations Maintenance limitations on the GD330 must be performed only by the LGE or its authorized agent. The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty.

  • Page 7: Only For Training And Service Purposes

    1. INTRODUCTION E. Notice of Radiated Emissions The GD330 complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user.

  • Page 8: Abbreviations

    Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol Copyright © 2009 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...

  • Page 9: General Performance

    2. GENERAL PERFORMANCE 2. GENERAL PERFORMANCE 2.1 Product Name GD330 : GPRS Class 10 / EDGE Class 10 2.2 Supporting Standard Item Feature Comment Supporting GD330 : Standard GSM850/GSM900/DCS1800/PCS1900 Phase 2+(include AMR) SIM Toolkit : Class 1, 2, 3 Frequency Range GSM850 TX : 824 –...

  • Page 10: H/W Features

    (240 x 320 pixel) Backlight : White LED 2M CMOS Camera, Built-in Camera One button access Fixed Focus Status Indicator None Copyright © 2009 LG Electronics. Inc. All right reserved. - 11 - LGE Internal Use Only Only for training and service purposes...

  • Page 11: Only For Training And Service Purposes

    Voice Recording Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Data Cable T-Flash socket T-Flash (External Memory) LGE Internal Use Only - 12 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 12: S/W Features

    Call Retrieve Network Selection Automatic Mute Call Divert Call Barring Call Duration Incomming : 300KB Outgoing : 300KB Copyright © 2009 LG Electronics. Inc. All right reserved. - 13 - LGE Internal Use Only Only for training and service purposes...

  • Page 13: Only For Training And Service Purposes

    A2DP, AVRCP Class 10 GPRS EDGE Class 10 Conference Call DTMF Memo pad Sync ML Voice Dial Email LGE Internal Use Only - 14 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 14: Technical Brief

    In addition, the baseband section integrates A/D and D/A converters which provide automatic on-chip correction of DC offsets. <Fig.3-1> Receiver Part Block Diagram Copyright © 2009 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only...

  • Page 15: Only For Training And Service Purposes

    EDGE. B6PLD integrates all loop filters to configure both PM loop and AM loop. See block diagram below. <Fig. 3-2> Simplified Block diagram for TX part LGE Internal Use Only - 16 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 16: Only For Training And Service Purposes

    B6PLE. FEMC1 and FEMC2 are interface between B6PLE and FEM. The combination of output is decoded from word 1. FEMC1 and FEMC2 are assigned for Low and High band respectively. Copyright © 2009 LG Electronics. Inc. All right reserved. - 17 -...

  • Page 17: Only For Training And Service Purposes

    -. Integrated directional coupler 3.2.5.2 Circuit Diagram and peripheral components <Fig. 3-5> PAM Placement <Fig. 3-6> PAM block diagramt LGE Internal Use Only - 18 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 18: Only For Training And Service Purposes

    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 © 2009 LG Electronics. Inc. All right reserved. - 19 -...

  • Page 19: 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 - 20 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 20: Only For Training And Service Purposes

    _ A master-slave USB module provides an external interface supporting high data transfer rates between the OMAPV1030 and external application Copyright © 2009 LG Electronics. Inc. All right reserved. - 21 - LGE Internal Use Only Only for training and service purposes...

  • Page 21: Only For Training And Service Purposes

    UART3_TXD UART3_TXD Transmit Data UART3_RTS UART3_RTS Request To Send UART3_CTS UART3_CTS Clear To Send <Table.2> UART Interface Spec LGE Internal Use Only - 22 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 22: Only For Training And Service Purposes

    3. TECHNICAL BRIEF 3.3.5 GPIO Map GD330 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level, is shown in below table 3. gpio_1 g g pio_1 Light sensor Gain 1 SYSBOOT[0] gpio_2 gpio_2 Vibrator_EN gpio_4 g g pio_4...

  • Page 23: Analog Baseband

    - A SIM-Card detection - A thermal shutdown - An I2C interface - A JTAG and boundary scan <Fig.11> TWL3029 Architecture LGE Internal Use Only - 24 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 24: Only For Training And Service Purposes

    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 © 2009 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...

  • Page 25: Only For Training And Service Purposes

    3. TECHNICAL BRIEF <Fig.12> Power Supply Scheme LGE Internal Use Only - 26 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 26: Only For Training And Service Purposes

    10K P/D for For USB download <Table.5> ADC Channel Spec 3.4.5 Switch ON/OFF GD330 Power State : Defined 4cases as follow Power-ON : mobile is powered by main battery or backup battery. Power-OFF : mobile isn’t any battery. Switch-ON : mobile is powered and waken up from switch-off state.

  • Page 27: Only For Training And Service Purposes

    3. TECHNICAL BRIEF 3.4.7 Keypad Map description <Fig.13> Keypad schematic LGE Internal Use Only - 28 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 28: Only For Training And Service Purposes

    Test UART Port DSR VBUS_OVP USB Power In UART_TXD Test UART Port Transmitter UART_RXD Test UART Port Receiver Ground Copyright © 2009 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...

  • Page 29: Bluetooth Interface

    3. TECHNICAL BRIEF 3.5. Bluetooth Interface 3.5.1 Bluetooth Circuit on the Sub-Board <Fig.14> BT schematic LGE Internal Use Only - 30 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 30: Only For Training And Service Purposes

    High Z with PD, except when transmitting voice samples GPIO0 EXT_CLK_REQ_OUT GPIO1 EXT_CLK_REQ_IN HCI UART INTERFACE HCI_RX HCI UART data receive HCI_TX HCI UART data transmit Copyright © 2009 LG Electronics. Inc. All right reserved. - 31 - LGE Internal Use Only Only for training and service purposes...

  • Page 31: Only For Training And Service Purposes

    Automatic clock detection mechanism o Patch trap mechanism that enables feature changes in ROM (ROM updates, improvements) LGE Internal Use Only - 32 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 32: Only For Training And Service Purposes

    Balance Balance circuit circuit Filter Filter circuit circuit Filter Filter BRF6300 BRF6300 BRF6300 BRF6300 <Fig.15> BT Block Diagram Copyright © 2009 LG Electronics. Inc. All right reserved. - 33 - LGE Internal Use Only Only for training and service purposes...

  • Page 33: Trouble Shooting

    -Connect mobile switch cable between Communication test set and DUT when you need to make a phone call. -Follow trouble shooting procedure LGE Internal Use Only - 34 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 34: Rf Part Technical Brief

    PAM (Power Amp. Module) Mobile Switch 1 SW400 SW401 Mobile Switch 2 FL400 FEM(Front End Module) X400 DCXO (26MHz) Copyright © 2009 LG Electronics. Inc. All right reserved. - 35 - LGE Internal Use Only Only for training and service purposes...

  • Page 35: Rf Part Trouble Shooting

    Fig4-3. RX components placement 3. Check FEM & mobile SW Circuit 4. Check Transceiver Circuit Re-download SW & CAL LGE Internal Use Only - 36 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 36: Only For Training And Service Purposes

    U100 Fig4-6. Regulator Enable voltage Check TP2,TP3 are 2.8V Replace U400 Regulator is OK. Fig4-7. Regulator output Voltage Copyright © 2009 LG Electronics. Inc. All right reserved. - 37 - LGE Internal Use Only Only for training and service purposes...

  • Page 37: Only For Training And Service Purposes

    CHECKING FLOW DCXO Fig4-10. DCXO Waveform and frequency Replace X400 Check TP1 of X400 is 26MHz DCXO is OK. LGE Internal Use Only - 38 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 38: Only For Training And Service Purposes

    Check SW400 between TP1 and TP2 Is short Check Control Signal Check U401 TP3, TP4 are working FEM & Mobile SW ok Copyright © 2009 LG Electronics. Inc. All right reserved. - 39 - LGE Internal Use Only Only for training and service purposes...

  • Page 39: Only For Training And Service Purposes

    4.2.1.3 Mobile Switch & FEM Circuit Table4-1. FEM logic table Fig4-13. Low band control signal Fig4-14. High band control signal LGE Internal Use Only - 40 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 40: Only For Training And Service Purposes

    Check TP1 & TP2 are 2.8V Check U400 Check Control Signal Replace U401 From TP3, TP4 Tranceiver is ok Copyright © 2009 LG Electronics. Inc. All right reserved. - 41 - LGE Internal Use Only Only for training and service purposes...

  • Page 41: Only For Training And Service Purposes

    4. TROUBLE SHOOTING 4.2.1.4 Transceiver Circuit 2.8V 2.8V Fig4-17. RF control clock & data Fig4-18. RF control clock & data LGE Internal Use Only - 42 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 42: Only For Training And Service Purposes

    3. Check Tranceiver Circuit 4. Check PAM Circuit 5. Check FEM & Mobile SW Re-download SW & CAL Copyright © 2009 LG Electronics. Inc. All right reserved. - 43 - LGE Internal Use Only Only for training and service purposes...

  • Page 43: Only For Training And Service Purposes

    TP3, TP4 and TP5 Fig4-21-2. PAM schematic normal abnormal Check Pin Replace PAM TP6,TP7 of normal PAM is OK. LGE Internal Use Only - 44 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 44: Only For Training And Service Purposes

    Fig4-25. High band control signals EGSM ch 60 PCS ch 662 Fig4-26. Low band output signal Fig4-27. High band output signal Copyright © 2009 LG Electronics. Inc. All right reserved. - 45 - LGE Internal Use Only Only for training and service purposes...

  • Page 45: Only For Training And Service Purposes

    Is short (Plug RF cable) Check Control Signal Check U401 TP3, TP4 is ok Mobile S/W, FEM is ok LGE Internal Use Only - 46 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 46: Only For Training And Service Purposes

    4.2.2.1 Mobile Switch & FEM Circuit C425 C424 Fig4-30. Low band control signal Fig4-31. High band control signal Table3-1. FEM logic table Copyright © 2009 LG Electronics. Inc. All right reserved. - 47 - LGE Internal Use Only Only for training and service purposes...

  • Page 47: Bluetooth Trouble Shooting

    Check BT_CLK_REQ Check U403 Check BT_RF_OUT Check FL403 Check DBB(U103) Re-Download S/W Replace BT Module & Analog switch LGE Internal Use Only - 48 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 48: Only For Training And Service Purposes

    4.3.2. Bluetooth Trouble shooting 4.3.2.1 Antenna ANT400 Antenna Check Check antenna Replace antenna Is ok or re-solder Antenna is ok Copyright © 2009 LG Electronics. Inc. All right reserved. - 49 - LGE Internal Use Only Only for training and service purposes...

  • Page 49: Only For Training And Service Purposes

    4.3.2.3 Checking BT_CLK X400 To check the BT_CLK, should check the C413 which is located nearby DCXO (X400) -17- LGE Internal Use Only - 50 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 50 4. TROUBLE SHOOTING Checking TP2 26MHz ? Check U401 BT_CLK is ok 4.3.2.4 Checking BT RF OUT U403 Copyright © 2009 LG Electronics. Inc. All right reserved. - 51 - LGE Internal Use Only Only for training and service purposes...

  • Page 51: Baseband Part Troubleshooting

    – Check Battery Voltage – END_KEY Dome Switch condition& Side FPCB condition – Check the output voltages of all LDOs. LGE Internal Use Only - 52 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 52: Only For Training And Service Purposes

    4. TROUBLE SHOOTING * DBB Power-On Trouble Troubleshooting Copyright © 2009 LG Electronics. Inc. All right reserved. - 53 - LGE Internal Use Only Only for training and service purposes...

  • Page 53: Only For Training And Service Purposes

    VEXTH C126 VMMC 2.85 C127 VSIM 2.85 C128 VUSB C129 VRTC C130 C131 VABB C132 VMEM C133 VPLL LGE Internal Use Only - 54 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 54: Only For Training And Service Purposes

    4. TROUBLE SHOOTING <Fig. 25> Triton Power Supplies Copyright © 2009 LG Electronics. Inc. All right reserved. - 55 - LGE Internal Use Only Only for training and service purposes...

  • Page 55: Only For Training And Service Purposes

    Replace Main FPCB Main FPCB is OK? U101(Main) check ? Replace the U101 (Main DBB) Booting is operating properly LGE Internal Use Only - 56 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 56: Only For Training And Service Purposes

    -10℃ ~ 50℃ : Charging • 50℃ ~ : Not charging operation Battery ICON 3.7V±0.05V 3.5V±0.05V 3.4V±0.05V BLINK Cut OFF 3.25V±0.05V BLINK Copyright © 2009 LG Electronics. Inc. All right reserved. - 57 - LGE Internal Use Only Only for training and service purposes...

  • Page 57: Only For Training And Service Purposes

    Check the charger connector • Check the charging current path • Check the battery Battery ISL9221 Charger power CHG_EN USB power LGE Internal Use Only - 58 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 58: Only For Training And Service Purposes

    Replace the IC The Battery may have Problem. Battery is OK? Change Battery Charging is operating properly Voltage U200 Recharging Copyright © 2009 LG Electronics. Inc. All right reserved. - 59 - LGE Internal Use Only Only for training and service purposes...

  • Page 59: Lcd Display Trouble Shooting

    - The FPCB which connects the LCD Module • Trouble Shooting Setup - Connect PIF Jig, and Power on LGE Internal Use Only - 60 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 60: Only For Training And Service Purposes

    4. TROUBLE SHOOTING 4.5.1 Check Point #1 – Navi PCB Connector 1 Slide FPCB Connector <CN600> Copyright © 2009 LG Electronics. Inc. All right reserved. - 61 - LGE Internal Use Only Only for training and service purposes...

  • Page 61: Only For Training And Service Purposes

    4. TROUBLE SHOOTING 4.5.2 Check Point #2 – Navi PCB Connector 2 Navi LCD Connector LGE Internal Use Only - 62 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 62: Only For Training And Service Purposes

    4. TROUBLE SHOOTING 4.5.3 Check Point #3 – FPCB Connector Main LCD Connector Navi LCD Connector Copyright © 2009 LG Electronics. Inc. All right reserved. - 63 - LGE Internal Use Only Only for training and service purposes...

  • Page 63: Only For Training And Service Purposes

    - 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 LGE Internal Use Only - 64 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 64: Only For Training And Service Purposes

    After changing the board, The LCD is broken. LCD Display is OK? Change the LCD. Change the board Copyright © 2009 LG Electronics. Inc. All right reserved. - 65 - LGE Internal Use Only Only for training and service purposes...

  • Page 65: Camera Trouble Shooting

    • Trouble Shooting Setup - Enter the engineering mode. - Go to menu ‘1.Device Test → 8.Camera ’ LGE Internal Use Only - 66 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 66: Only For Training And Service Purposes

    < CN303 > VCAM_1.8V VCAM_2.8V CAM_D(0) CAM_D(1) CAM_D(2) CAM_PCLK CAM_D(3) CAM_MCLK CAM_HS CAM_VS CAM_D(4) CAM_D(5) CAM_D(6) CAM_D(7) VCAM_1.5V Copyright © 2009 LG Electronics. Inc. All right reserved. - 67 - LGE Internal Use Only Only for training and service purposes...

  • Page 67: Only For Training And Service Purposes

    - You must check camera signals at a Connector Side of a Main PCB because you could check final signal states through connector. LGE Internal Use Only - 68 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 68: Only For Training And Service Purposes

    Replace the FPCB After changing the board, The Camera is broken. Camera is OK? Change the Camera. Change the board Copyright © 2009 LG Electronics. Inc. All right reserved. - 69 - LGE Internal Use Only Only for training and service purposes...

  • Page 69: 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 - 70 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 70: Only For Training And Service Purposes

    Trouble Shooting Procedure - Check the power supply - Check the soldering of SIM socket - Check the SIM Copyright © 2009 LG Electronics. Inc. All right reserved. - 71 - LGE Internal Use Only Only for training and service purposes...

  • Page 71: Only For Training And Service Purposes

    The SIM Card is OK (plat)? SIM card is broken. Change the SIM Card. The DBB(U101) is broken. Change the board. LGE Internal Use Only - 72 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 72: Slide Up/Down Trouble Shooting

    Slide Signal Status L : Down (Magnetized) => Slide Down H : Up (Not magnetized) => Slide Up Copyright © 2009 LG Electronics. Inc. All right reserved. - 73 - LGE Internal Use Only Only for training and service purposes...

  • Page 73: Only For Training And Service Purposes

    1.8V? Trouble is low on Replace the U601. Magnetizing into U601? The U601 is broken No problem LGE Internal Use Only - 74 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 74: Speaker/Receiver Trouble Shooting (Common Path)

    1 (Next page) (L200,L201,C240,C241) of IC200, The signal is a Digital Check the Speaker contact PAD of the F-PCB Copyright © 2009 LG Electronics. Inc. All right reserved. - 75 - LGE Internal Use Only Only for training and service purposes...

  • Page 75: Only For Training And Service Purposes

    (TP1, TP2) of IC200 The signal is a Analog IC200 is broken. Replace the IC200. IC200 <Fig.> OUTPUT of IC200 LGE Internal Use Only - 76 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 76: Only For Training And Service Purposes

    The signal is a Analog Check the Speaker contact PAD of the F-PCB IC200 <Fig.> TP1 or TP2 Copyright © 2009 LG Electronics. Inc. All right reserved. - 77 - LGE Internal Use Only Only for training and service purposes...

  • Page 77: Speaker/Receiver Trouble Shooting (Acoustic Path)

    Check the output (TP3, TP4) of IC200 The signal is a Analog IC200 IC200 is broken. Replace the IC200. LGE Internal Use Only - 78 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 78: Mic Trouble Shooting

    4. TROUBLE SHOOTING 4.11. MIC Trouble Shooting MIC Operation scheme is shown below. Copyright © 2009 LG Electronics. Inc. All right reserved. - 79 - LGE Internal Use Only Only for training and service purposes...

  • Page 79: Only For Training And Service Purposes

    TP2,TP3 Is it a few tens mVAC? Check the soldering of Replace U100 TP2,TP3,TP4,TP5 change the Main Board LGE Internal Use Only - 80 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 80: Ear-Mic Jack Detection Trouble Shooting

    Check the soldering status Re-solder of CN300 Of CN300. Is it O.K? The main_PCB has a Problem, Change the main_PCB. CN300 Copyright © 2009 LG Electronics. Inc. All right reserved. - 81 - LGE Internal Use Only Only for training and service purposes...

  • Page 81: Ear-Mic Hook Detection Trouble Shooting

    Is the status of of U302 HIGH -> LOW? U103(DBB) is broken. Change the board. R324 R336 U302 LGE Internal Use Only - 82 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 82: Ear-Mic Headset Mic Trouble Shooting

    Resolder Pin #2 of CN300 of CN301 R324 U100(ABB) is broken. Change the board. CN301 C300 FB303 C303 Copyright © 2009 LG Electronics. Inc. All right reserved. - 83 - LGE Internal Use Only Only for training and service purposes...

  • Page 83: Ear-Mic Headset Hsor/Hsol Trouble Shooting

    The main_PCB has a Problem, Change the main_PCB. CN301 IC200 R225 C235 C305 R226 C236 FB304 FB305 C304 LGE Internal Use Only - 84 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 84: Fm-Radio Trouble Shooting

    The CLK Buffer is Go to the speaker/ EAR_MIC Replace the U303 problem. Trouble shooting Replace the U304 U303 U304 Copyright © 2009 LG Electronics. Inc. All right reserved. - 85 - LGE Internal Use Only Only for training and service purposes...

  • Page 85: Transfl Ash Trouble Shooting

    Change the Transflash card Check the flexible PCB Change the flexible PCB Main board has a problem. Change the main-board LGE Internal Use Only - 86 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 86 MM_2V8 Signal(Power ON) <VRMMC Signal when T-Flash is inserted> TF_DAT0 Signal (Music Play) <TF_DAT0 Signal while T-Flash is read> Copyright © 2009 LG Electronics. Inc. All right reserved. - 87 - LGE Internal Use Only Only for training and service purposes...

  • Page 87: Main Key Backlight Led Trouble Shooting

    - The LEDs are forward biased and turned on Check Point - VBAT level ( 3.35 ~4.2V) - LEDs - Main key, Main, Main FPCB connection LGE Internal Use Only - 88 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 88 Check the condition of doom Main key is sheet. If problem, Replace the Working? doom sheet Backlight will work properly Copyright © 2009 LG Electronics. Inc. All right reserved. - 89 - LGE Internal Use Only Only for training and service purposes...

  • Page 89: Slide Lcd Backlight Led Trouble Shooting

    - The LEDs are forward biased and turned on Check Point - VBAT level ( 3.35 ~4.2V) – Main FPCB - LEDs - Charge pump LGE Internal Use Only - 90 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 90 Trouble shooting LCD_BL_CTRL of U101(Main) Check the condition is Working? If problem, Replace U101(Main) Backlight will work properly Copyright © 2009 LG Electronics. Inc. All right reserved. - 91 - LGE Internal Use Only Only for training and service purposes...

  • Page 91: Vibrator Trouble Shooting

    Check the wiring of Fix the wires or replace the Vibrator vibrator Vibrator has a problem. Change Vibrator LGE Internal Use Only - 92 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 92: Touch Trouble Shooting

    4.21. Touch Trouble Shooting Check Point - Touch Voltage ( 2.8v LDO) - I2C control - Touch IC - Initial Sequence Copyright © 2009 LG Electronics. Inc. All right reserved. - 93 - LGE Internal Use Only Only for training and service purposes...
  • Page 93 Check the Main FPCB Change the Main FPCB Check the soldering Resolder CN301 of CN301 U101(DBB) is broken. Change the board. LGE Internal Use Only - 94 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 94: Downloading

    - Target Handset (GD330) - USB Data kit 5. 1.2.1.2. IBM compatible PC supporting USB with Windows 98 or newer Copyright © 2009 LG Electronics. Inc. All right reserved. - 95 - LGE Internal Use Only Only for training and service purposes...
  • Page 95 USB Driver Installation to Download Device Detection Run “LGE_GSM_Device_Driver_OMAPV1030_1.0” for Installation Neptune usb driver. USB Port Mapping Configuration to Download LGE Internal Use Only - 96 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 96 No. 1 to No. 3 for each the usb port. USB Port Mapping Configuration to Download Copyright © 2009 LG Electronics. Inc. All right reserved. - 97 - LGE Internal Use Only Only for training and service purposes...
  • Page 97 If you have the disable port, click “SKIP” button. After mapping is completed, click “Save & Exit” button. LGE Internal Use Only - 98 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 98 Download If the model is supported usb download, USB button will be appeared. If the model is supported both interface, you can choice one. Copyright © 2009 LG Electronics. Inc. All right reserved. - 99 - LGE Internal Use Only...
  • Page 99 5.1.2.2.2. 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. LGE Internal Use Only - 100 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 100: Block Diagram

    Voice NIO/8 Audio JTAG UART2 DATA 1.8V 2.8V RPWON USB DP/DM HS_MIC HSO_L/R FM_L HSO/ FM_R VCHG VBUS Copyright © 2009 LG Electronics. Inc. All right reserved. - 101 - LGE Internal Use Only Only for training and service purposes...
  • Page 101 LGE Internal Use Only - 102 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 102: Circuit Diagram

    7. CIRCUIT DIAGRAM Copyright © 2009 LG Electronics. Inc. All right reserved. - 103 - LGE Internal Use Only Only for training and service purposes...
  • Page 103 7. CIRCUIT DIAGRAM & " " & LGE Internal Use Only - 104 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 104 7. CIRCUIT DIAGRAM Copyright © 2009 LG Electronics. Inc. All right reserved. - 105 - LGE Internal Use Only Only for training and service purposes...
  • Page 105 7. CIRCUIT DIAGRAM LGE Internal Use Only - 106 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 106 7. CIRCUIT DIAGRAM & & Copyright © 2009 LG Electronics. Inc. All right reserved. - 107 - LGE Internal Use Only Only for training and service purposes...
  • Page 107 7. CIRCUIT DIAGRAM LGE Internal Use Only - 108 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 108 7. CIRCUIT DIAGRAM Copyright © 2009 LG Electronics. Inc. All right reserved. - 109 - LGE Internal Use Only Only for training and service purposes...
  • Page 109 LGE Internal Use Only - 110 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 110: Bga Pin Map

    8. BGA Pin Map 8. BGA Pin Map Memory IC Don’t use U201 K5D1G12ACK-A075 (EUSY0338204) Copyright © 2009 LG Electronics. Inc. All right reserved. - 111 - LGE Internal Use Only Only for training and service purposes...
  • Page 111 8. BGA Pin Map Memory IC Don’t use U201 K5D1G12ACK-A075 (EUSY0338204) LGE Internal Use Only - 112 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 112 ABB (Analog Baseband) 1 2 3 4 5 6 7 8 9 10 11 12 Don’t use U100 EUSY0266502 T3029FZQWR Copyright © 2009 LG Electronics. Inc. All right reserved. - 113 - LGE Internal Use Only Only for training and service purposes...
  • Page 113 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 U101 EUSY0266401 PD761811BZVL Don’t use LGE Internal Use Only - 114 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 114 Don’t use EUSY0311701 U403 BRF6300 Transceiver A B C D E F G H J U401 EUSY0316802 R2A60177BG Copyright © 2009 LG Electronics. Inc. All right reserved. - 115 - LGE Internal Use Only Only for training and service purposes...
  • Page 115 LGE Internal Use Only - 116 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 116: Pcb Layout

    U401 Do not operate SIM, T-FLASH RF PAM Do not operate RF X400 26M CLOCK NO POWER ON Copyright © 2009 LG Electronics. Inc. All right reserved. - 117 - LGE Internal Use Only Only for training and service purposes...
  • Page 117 CHARGING IC Do not operate charging X100 32.768Khz CLOCK BAT100 NO POWER ON BACKUP BATTERY Do not operate time LGE Internal Use Only - 118 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 118 9. PCB LAYOUT Copyright © 2009 LG Electronics. Inc. All right reserved. - 119 - LGE Internal Use Only Only for training and service purposes...
  • Page 119 Do not operate LCD B to B Connector Do not operate LCD U601 Hall IC Do not operate Hall IC LGE Internal Use Only - 120 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 120 9. PCB LAYOUT Copyright © 2009 LG Electronics. Inc. All right reserved. - 121 - LGE Internal Use Only Only for training and service purposes...
  • Page 121 9. PCB LAYOUT LGE Internal Use Only - 122 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 122 9. PCB LAYOUT CN502 Speaker PAD U500 Light Sensor Copyright © 2009 LG Electronics. Inc. All right reserved. - 123 - LGE Internal Use Only Only for training and service purposes...
  • Page 123 9. PCB LAYOUT VB500 Vibrator PAD LGE Internal Use Only - 124 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 124: Calibration

    10.1.2. Calibration Steps 10.1.2.1. Turn on the Phone. 10.1.2.2. Find the hotkimchi folder from computer 10.1.2.3 Execute “HK_36.exe” Copyright © 2009 LG Electronics. Inc. All right reserved. - 125 - LGE Internal Use Only Only for training and service purposes...
  • Page 125 10. Calibration 10.1.2.4. Click “SETTING” from Menu bar 10.1.2.5. Setup “Ezlooks” menu such as the following figure LGE Internal Use Only - 126 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 126 CELL :Call-Test Equipment LOGIC MODE Circuits & parts position 1. CAL ONLY 2. AUTO ONLY 3. CAL + AUTO Copyright © 2009 LG Electronics. Inc. All right reserved. - 127 - LGE Internal Use Only Only for training and service purposes...
  • Page 127 10. Calibration 10.1.2.8 Select “MODEL GD330”. 10.1.2.9 Click “START” for RF calibration 10.1.2.10 RF Calibration finishes. GD330 LGE Internal Use Only - 128 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 128 10.1.3.2 Required Equipments - Test PC with PCMCIA slot - GPIB card - E5515C(Agilent 8960 series) - Power supply Copyright © 2009 LG Electronics. Inc. All right reserved. - 129 - LGE Internal Use Only Only for training and service purposes...

  • Page 129: Test Mode

    6.3.5 Set BR 460K 1.12 Video Test 6.3.6 Set BR 115K 6.4 BT Testing 6.4.1 Audio Test 6.4.2 RF Test LGE Internal Use Only - 130 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 130 9.5 Light Sensor setting 9.5.1 LIGHT_SENSOR 00 9.5.2 LIGHT_SENSOR 01 9.5.3 LIGHT_SENSOR 10 9.5.4 LIGHT_SENSOR 11 9.5.5 LIGHT_Detect Copyright © 2009 LG Electronics. Inc. All right reserved. - 131 - LGE Internal Use Only Only for training and service purposes...
  • Page 131 LGE Internal Use Only - 132 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 132: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW Copyright © 2009 LG Electronics. Inc. All right reserved. - 133 - LGE Internal Use Only Only for training and service purposes...
  • Page 133 ASS’Y EXPLODED VIEW LGE Internal Use Only - 134 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 134: Replacement Parts

    ACGK00 COVER ASSY,FRONT ACGK0130401 COLOR MDAG00 DECO,FRONT MDAG0042701 MOLD, PC LUPOY SC-1004A, , , , , DARK BLUE Copyright © 2009 LG Electronics. Inc. All right reserved. - 135 - LGE Internal Use Only Only for training and service purposes...
  • Page 135 COMPLEX, (empty), , , , , COLOR WITHOUT MIDZ02 INSULATOR MIDZ0198501 COMPLEX, (empty), , , , , COLOR LGE Internal Use Only - 136 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 136 CAN,SHIELD MCBA0036101 CUTTING, STS, , , , , COLOR WITHOUT MLAZ00 LABEL MLAZ0038301 PID Label 4 Array COLOR Copyright © 2009 LG Electronics. Inc. All right reserved. - 137 - LGE Internal Use Only Only for training and service purposes...

  • Page 137: Main Component

    10 ohm,1/16W ,J ,1005 ,R/TP R601 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP SPCY00 PCB,FLEXIBLE SPCY0164101 POLYI , mm,DOUBLE ,GD330 F_KEY ,; , , , , , , , , , SACY01 PCB ASSY,FLEXIBLE SACY0085102 SACB00 SACB0051002 ASSY,FLEXIBLE,INSERT WITHOUT MTAC00...
  • Page 138 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C615 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 139 - LGE Internal Use Only Only for training and service purposes...
  • Page 139 18 V, ,SMD , VA603 VARISTOR SEVY0003801 18 V, ,SMD , VA604 VARISTOR SEVY0003801 18 V, ,SMD , LGE Internal Use Only - 140 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 140 10 uF,10V ,M ,L_ESR ,1608 ,R/TP ,; , ,[empty] ,[empty] , C108 CAP,TANTAL,CHIP ECTH0005601 ,[empty] , ,[empty] ,[empty] ,[empty] ,[empty] Copyright © 2009 LG Electronics. Inc. All right reserved. - 141 - LGE Internal Use Only Only for training and service purposes...
  • Page 141 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C140 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP LGE Internal Use Only - 142 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 142 10 uF,10V ,M ,L_ESR ,1608 ,R/TP ,; , ,[empty] ,[empty] , C219 CAP,TANTAL,CHIP ECTH0005601 ,[empty] , ,[empty] ,[empty] ,[empty] ,[empty] Copyright © 2009 LG Electronics. Inc. All right reserved. - 143 - LGE Internal Use Only Only for training and service purposes...
  • Page 143 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C330 CAP,CERAMIC,CHIP ECCH0000198 2.2 uF,6.3V ,M ,X5R ,TC ,1005 ,R/TP LGE Internal Use Only - 144 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 144 100 nH,J ,1005 ,R/TP , L302 INDUCTOR,CHIP ELCH0005009 100 nH,J ,1005 ,R/TP , L303 INDUCTOR,CHIP ELCH0003810 220 nH,G ,1608 ,R/TP , Copyright © 2009 LG Electronics. Inc. All right reserved. - 145 - LGE Internal Use Only Only for training and service purposes...
  • Page 145 10 Kohm,1/16W ,J ,1005 ,R/TP R212 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R213 RES,CHIP,MAKER ERHZ0000307 6200 ohm,1/16W ,F ,1005 ,R/TP LGE Internal Use Only - 146 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 146 150 ohm,1/16W ,F ,1005 ,R/TP R328 RES,CHIP,MAKER ERHZ0000219 150 ohm,1/16W ,F ,1005 ,R/TP R329 RES,CHIP,MAKER ERHZ0000219 150 ohm,1/16W ,F ,1005 ,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 147 - LGE Internal Use Only Only for training and service purposes...
  • Page 147 18 V, ,SMD , VA309 VARISTOR SEVY0003801 18 V, ,SMD , VA310 VARISTOR SEVY0003801 18 V, ,SMD , LGE Internal Use Only - 148 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 148 68 nF,16V ,K ,X7R ,HD ,1005 ,R/TP C236 CAP,CHIP,MAKER ECZH0003124 68 nF,16V ,K ,X7R ,HD ,1005 ,R/TP C237 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2009 LG Electronics. Inc. All right reserved. - 149 - LGE Internal Use Only Only for training and service purposes...
  • Page 149 ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C414 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C415 CAP,CHIP,MAKER ECZH0000813 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP LGE Internal Use Only - 150 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 150 FILTER,BEAD,CHIP SFBH0008105 1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP FB308 FILTER,BEAD,CHIP SFBH0007102 10 ohm,1005 ,Ferrite Bead Copyright © 2009 LG Electronics. Inc. All right reserved. - 151 - LGE Internal Use Only Only for training and service purposes...
  • Page 151 10 Kohm,1/16W ,J ,1005 ,R/TP R203 RES,CHIP,MAKER ERHZ0000434 1 ohm,1/16W ,J ,1005 ,R/TP R204 RES,CHIP,MAKER ERHZ0000434 1 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only - 152 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 152 FR-4 ,0.8 mm,STAGGERED-10 , ,; , , , , , , , , , SW400 CONN,RF SWITCH ENWY0001801 STRAIGHT ,SMD ,2 dB,3000PCS/REEL Copyright © 2009 LG Electronics. Inc. All right reserved. - 153 - LGE Internal Use Only Only for training and service purposes...
  • Page 153 VA319 VARISTOR SEVY0004101 5.6 V, ,SMD ,360pF, 1005 X400 X-TAL EXXY0019501 26 MHz,10 PPM,8 pF,50 ohm,SMD ,3.2*2.5*0.6 , LGE Internal Use Only - 154 - Copyright © 2009 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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