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LG TU750 Service Manual

LG TU750 Service Manual

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Internal Use Only
Service Manual
TU750
Date: January, 2009 / Issue 1.0

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Summary of Contents for LG TU750

  • Page 1 Internal Use Only Service Manual TU750 Date: January, 2009 / Issue 1.0...

  • Page 2: Table Of Contents

    4.16 Checking Common Power Source Block ....132 4.17 Checking VCXO Block ..........137 4.18 Checking Front End Module Block ......141 Copyright © 2008 LG Electronics. Inc. All right reserved. - 3 - LGE Internal Use Only Only for training and service purposes...

  • Page 3: Only For Training And Service Purposes

    LGE Internal Use Only - 4 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 4: Introduction

    Copyright © 2008 LG Electronics. Inc. All right reserved. - 5 - LGE Internal Use Only...

  • Page 5: Only For Training And Service Purposes

    • When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only - 6 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Performance

    Push Type ( + , - ) Voice Key Push Type External Memory T - Flash Socket I/O Connect 5 Pin Copyright © 2008 LG Electronics. Inc. All right reserved. - 7 - LGE Internal Use Only Only for training and service purposes...

  • Page 7: Usable Environment

    1G ~ 1.71GHz -50dBm 1.71G ~ 1.785GHz -56dBm 1.71G ~ 1.785GHz -56dBm 1.785G ~ 12.75GHz -50dBm 1.785G ~ 12.75GHz -50dBm LGE Internal Use Only - 8 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 8: Only For Training And Service Purposes

    400kHz -22dB Due to 600kHz -21dB 600kHz -24dB Switching 1200kHz -21dB 1200kHz -24dB transient 1800kHz -24dB 1800kHz -27dB Copyright © 2008 LG Electronics. Inc. All right reserved. - 9 - LGE Internal Use Only Only for training and service purposes...

  • Page 9: Only For Training And Service Purposes

    ±4 ±3 ±4 ±5 ±4 ±5 ±4 ±5 ±4 ±5 ±5 ±5 Burst timing Mask IN Mask IN LGE Internal Use Only - 10 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 10: Only For Training And Service Purposes

    ±3dB(after 14slots transmission gap) Occupied Bandwidth(OBW) 5MHz(99%) -35-15*(?f-2.5)dBc@?f=2.5~3.5MHz, 30k -35-1*(?f-3.5)dBc@?f=3.5~7.5MHz, 1M Spectrum emission Mask -39-10*(?f-7.5)dBc@?f=7.5~8.5MHz, 1M -49 dBc@?f=8.5~12.5MHz, 1M Copyright © 2008 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

    Wanted Signal: -101dBm Wanted Signal: -101dBm (TCH/FS Class II, RBER) Unwanted Signal: Depend on freq. Unwanted Signal: Depend on freq. LGE Internal Use Only - 12 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 12: Only For Training And Service Purposes

    -46dBm CW@10MHz & Intermodulation Characteristic -46dBm/3.84MHz@20MHz UE@+20dBm output power(class3) -57dBm@f=9KHz~1GHz, 100k BW -47dBm@f=1~12.75GHz, 1M Spurious Emissions -60dBm@f=1920~1980MHz, 3.84MHz -60dBm@f=2110~2170MHz, 3.84MHz Copyright © 2008 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

    30MHz~1GHz -36dBm -57dBm Out of Band Spurious Emissions Above 1GHz~12.75GHz -30dBm -47dBm 1.8~1.9GHz -47dBm -47dBm 5.15~5.3GHz -47dBm -47dBm LGE Internal Use Only - 14 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 14: Only For Training And Service Purposes

    Intermodluation Performance static sinwave signal at f1=-39dBm a BT modulated signal f2=-39dBm(payload PRBS15) Maximum Input Level BER ≤ 0.1%@-20dBm Copyright © 2008 LG Electronics. Inc. All right reserved. - 15 - LGE Internal Use Only Only for training and service purposes...

  • Page 15: Current Consumption

    3.75 ±0.05V BAR 1 → Icon Blinking 3.65 ±0.05V Low voltage, warning message 3.55 ±0.05V Power OFF 3.20 ±0.05V LGE Internal Use Only - 16 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 16: Sound Pressure Level

    -62dBm under Acoustic(Max Vol.) SEND MS/HEADSET SLR: 8±3dB REV. MS/HEADSET RLR: -13±1dB/-15dB Headset SEND (SLR/RLR: mid-Value Setting) REV. Copyright © 2008 LG Electronics. Inc. All right reserved. - 17 - LGE Internal Use Only Only for training and service purposes...

  • Page 17: Charging

    (GSM: It should be kept 3.7V in all power level WCDMA: It will not be kept 3.7V in some power level) LGE Internal Use Only - 18 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 18: Technical Brief

    - External Memory Interface that supports NAND, NOR, PSRAM, SDRAM, - JTAG - RTC - ETM (in Prototype Package) Copyright © 2008 LG Electronics. Inc. All right reserved. - 19 - LGE Internal Use Only Only for training and service purposes...

  • Page 19: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure 3-1-1 TU750 Block Diagram LGE Internal Use Only - 20 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 20: External Memory Interface

    1Page=(2K + 64)Bytes 10.32MByte/s NAND flash KAL00900BM-DJ55 Samsung Erase speed 1.5ms 1Block=(128K+4K)Bytes 88MByte/s Table 3- 1- 1. External Memory Interface Spec. of TU750 Figure 3- 1- 2. External Memory Configuration of TU750 Data Communication - IrDA ® (SIR) - UARTs (ACB, EDB (RS232))

  • Page 21: Hardware Architecture

    3. TECHNICAL BRIEF 3.1.3 Hardware Architecture A. Block Diagram Figure 3-1-3. Access system of Ericsson DB3200 LGE Internal Use Only - 22 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 22: Only For Training And Service Purposes

    MM HW Basic HW PSRAM/NOR/NAND AA Interface HW Data Com HW Figure 3-1-4. Application system of Ericsson DB3200 Copyright © 2008 LG Electronics. Inc. All right reserved. - 23 - LGE Internal Use Only Only for training and service purposes...

  • Page 23: Only For Training And Service Purposes

    Camera module. The visual data could be graphics, still images, or video. The XGAM subsystem is handled and provided by Ericsson. LGE Internal Use Only - 24 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 24: Only For Training And Service Purposes

    WPOW_DET_EN ADC_I_NEG WRX_I_N ADC_I_POS WRX_I_P ADC_Q_NEG WRX_Q_N ADC_Q_POS WRX_Q_P TX_POW WPOW_DET Figure 3-1-6. Schematic of WCDMA RF Interface Copyright © 2008 LG Electronics. Inc. All right reserved. - 25 - LGE Internal Use Only Only for training and service purposes...

  • Page 25: Sim Interface

    ACC Transmit Data UART1 APP_GPIO_0 APP_UART_RX APP Receive Data APP_GPIO_1 APP_UART_TX APP Transmit Data Table 3-1-3. UART Interface LGE Internal Use Only - 26 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 26: Only For Training And Service Purposes

    High N.C. N.C. Input High Input High N.C. N.C. Input High Table 3-1-4. DB3200 ACC GPIO Map Table Copyright © 2008 LG Electronics. Inc. All right reserved. - 27 - LGE Internal Use Only Only for training and service purposes...

  • Page 27: Only For Training And Service Purposes

    APP_GP_GPS_PON Output APP_GP_3AXIS_SDA Output APP_GP_TOUCH_SCREEN_INT Input APP_GP_TOUCH_RESET Output High Not used Table 3-1-5. DB3200 APP GPIO Map Table LGE Internal Use Only - 28 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 28: Only For Training And Service Purposes

    MMP_CAM_RESET_N Output Output MMP_CAM_PWDN Output MMP_FLASH_EN Output MMP_FLASH_SET Output MMP_FLASH_INH Output Table 3-1-5. MMIC APP GPIO Map Table Copyright © 2008 LG Electronics. Inc. All right reserved. - 29 - LGE Internal Use Only Only for training and service purposes...

  • Page 29: Only For Training And Service Purposes

    USB_CS_PD USB chip select VBUS Power supply for DB3200 USB block Table 3-1-6. USB Signal Interface of DB3200 LGE Internal Use Only - 30 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 30: Only For Training And Service Purposes

    USB_XTAL1 REF1V8 XTAL2 C607 C608 4.7u 0.1u USB Transceiver for High Speed Table 3-1-9. Schematic of USB Transceiver Copyright © 2008 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

    This SLIDE_DET signal is delivered to DB3200 ACC_GP_FLIPSENSE. SLIDE DETECT VDDE_1V8 ACC_GP15_FLIPSENSE BU52031NVX U101 C109 C112 0.1u 0.1u REV.B Figure 3-1-10. Slider On/Off Detector LGE Internal Use Only - 32 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 32: Bluetooth Interface

    3. TECHNICAL BRIEF 3.1.11 Bluetooth Interface TU750 supports Bluetooth operation using STLC2500D Bluetooth module. A. General Description The Bluetooth interface utilizes the SPI interface for control signals going to and from the Bluetooth module. The SPI is also used for data transmissions.

  • Page 33: Only For Training And Service Purposes

    3. TECHNICAL BRIEF 3.1.11 Bluetooth Interface TU750 supports Bluetooth operation using STLC2500D Bluetooth module. A. General Description The transmitter uses the serial transmit data from the Bluetooth Controller. The transmitter modulator converts this data into GFSK, π/4-DQPSK or 8-DPSK modulated I and Q digital signals for respectively 1, 2, and 3 Mbps transmission speed.

  • Page 34: Only For Training And Service Purposes

    ■ On-chip RAM, on-chip ROM ■ Supports 1.65 V to 2.85 V I/O systems ■ Auto calibration (VCO, Filters) Copyright © 2008 LG Electronics. Inc. All right reserved. - 35 - LGE Internal Use Only Only for training and service purposes...

  • Page 35: Only For Training And Service Purposes

    - HCI interface between DB3200 and STLC2500D - Audio signal interface between DB3200/AB3100 and STLC2500D - 2.4GHz, 50 ohm matching LGE Internal Use Only - 36 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 36: Microsd Interface Card

    3. TECHNICAL BRIEF 3.1.12 MicroSD Interface card TU750 supports the MicroSD card interface as external memory card. MicroSD card has 4-data line, so uses 4-data line. TU750 All control and data line is connected to DB3200. Cause of the difference between DB3200 and MicroSD card, a level shifter should be added.

  • Page 37: Power On Sequence

    Power for DB3200 Press END key PWRRST_n PWRRST RESPOW_N IRQ0_N ONSWA_n IRQ0_n ONSWA Figure 3-1-13. Power On Sequence LGE Internal Use Only - 38 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 38: Only For Training And Service Purposes

    KEYOUT1 VA900 ICVS0514X350FR D900 KEYOUT2 ONSWA_n RB521S-30 ON_SW KEY KEYIN4 KEYIN5 VDDE_1V8 R900 R901 Figure 3-1-14. KEY CIRCUIT Copyright © 2008 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

    TOUCH_SCREEN_INT TOUCH_SCREEN_SCL I2C interface I2C interface TOUCH_SCREEN_SDA VA907 ICVN0505X150FR Rev.1.0 Figure 3-1-15. Touch button and Touch screen connector LGE Internal Use Only - 40 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 40: Only For Training And Service Purposes

    EL controller EL driver EL lighing channel AC generator output (connected with EL sheet) Figure 3-1-16. Multi EL lighting Copyright © 2008 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

    3. TECHNICAL BRIEF 3.1.16 A-GPS TU750 supports A-GPS operation using Infineon PMB2525 A-GPS module. The PMB 2525 Hammerhead II GPS IC is Infineon Technologies and Global Locate’s next generation IC solution for GPS (Global Positioning System). The Hammerhead II GPS single chip device enables the realization of a cost efficient GPS solution by integrating the complete radio frequency front-end as well as the signal processing functionality in a single die.

  • Page 42: Only For Training And Service Purposes

    Rev.B VGPS_1V8 VDDE_1V8 Rev.G VGPS_2V8 C736 C737 C738 220n 220n 0.1u RESOUT1_n Rev.B Figure 3-1-17. Schematic of PMB2525 Copyright © 2008 LG Electronics. Inc. All right reserved. - 43 - LGE Internal Use Only Only for training and service purposes...

  • Page 43: Gam Hardware Subsystem

    GAMCON : GAM controller. GRAPHCON : graphics controller. PDI/SSI : programmable display interface for parallel/serial displays. CDI : camera data interface. LGE Internal Use Only - 44 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 44: Block Description

    8-bit data to the display. The programmable PDI block is configured at the software build stage, to support either parallel interface such as PPI or serial interface such as SSI or I2C. Copyright © 2008 LG Electronics. Inc. All right reserved. - 45 - LGE Internal Use Only...

  • Page 45: Only For Training And Service Purposes

    In this case, it must have pull-down to ground. The camera module reset signal is an output to the camera module. LGE Internal Use Only - 46 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 46: Only For Training And Service Purposes

    INOUT_A2 5M_CAM_DATA[2] MMP_CAM_DATA[1] INOUT_B3 INOUT_A3 5M_CAM_DATA[1] MMP_CAM_DATA[0] 5M_CAM_DATA[0] INOUT_B4 INOUT_A4 Figure 3-2-3. 5M Camera Connector(34Pin – Main Board) Copyright © 2008 LG Electronics. Inc. All right reserved. - 47 - LGE Internal Use Only Only for training and service purposes...

  • Page 47: Only For Training And Service Purposes

    CI_D2 CI_HSYNC CI_D3 CI_VSYNC CI_D4 CI_D7 CI_D5 CI_D6 ENBY0019501 C1006 0.1u Figure 3-2-4. VGA LCD FPCB Connector ※ LGE Internal Use Only - 48 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 48: Only For Training And Service Purposes

    VGA_VDD_1.8V CI_D2 CI_HSYNC CI_D3 CI_VSYNC CI_D4 CI_D7 10 CI_D5 CI_D6 Table 3-2-2. Interface between VGA Camera Module ※ Copyright © 2008 LG Electronics. Inc. All right reserved. - 49 - LGE Internal Use Only Only for training and service purposes...

  • Page 49: Camera Regulator

    LEDGND FLASHCNT Figure 3-2-6. VGA Camera LDO in SUB PMIC ※ It doesn’t use the VGA at TU750. There is the only optional circuit for VGA LGE Internal Use Only - 50 - Copyright © 2008 LG Electronics. Inc. All right reserved.

  • Page 50: Main Lcd

    LCD_DATA[2]_OUT LCD_DATA[1]_OUT LCD_DATA[0]_OUT R904 APP_GP12_LCD_ID LCD_RESET_N_OUT WLED5 WLED4 WLED3 WLED2 WLED1 WLED_PWR Rev.1.0 Figure 3-2-7. LCD module Connector Copyright © 2008 LG Electronics. Inc. All right reserved. - 51 - LGE Internal Use Only Only for training and service purposes...

  • Page 51: Only For Training And Service Purposes

    3. TECHNICAL BRIEF 3.2.6 LCD Module Block diagram Figure 3-2-8. LCD Module Block diagram LGE Internal Use Only - 52 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 52: Lcd Backlight Illumination

    R101 KEY_LED1 100ohm SSC-SWTS1007 LD102 R102 KEY_LED2 100ohm SSC-SWTS1007 Figure 3-2-10. Keypad Backlight LED Interface and Backlight Circuit Copyright © 2008 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

    I2C(SMB_SDA,SMB_SCL) interface. VDDH_SMB_2V75 VDDE_1V8 U801 BMA150 VDDIO APP_GP_3AXIS_SDA APP_GP_3AXIS_INT APP_GP_3AXIS_SCL C804 Rev.H 0.1u C803 Figure 3-2-11. Three-axis-acceleromete Circuit LGE Internal Use Only - 54 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 54: Audio Part

    (PGA). The decoder has a receive volume control. The audio inputs and outputs can be switched to normal or auxiliary ports. Copyright © 2008 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

    BOOST_ISN AMP_I2C_SCL VBOOST R321 BEARP RXIN+ R322 DACO_0 BEARN RXIN- DACO_1 DCDC_REF DACO_2 BIAS_CTRL C356 DACO_3 Audio Amp. LGE Internal Use Only - 56 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 56: Audio Mode

    AUXO1/AUXO2 MIC2P/MIC2N MIDI Only Loud Speaker SPKRP/SPKRN Loud Speaker Mode SPKRP/SPKRN Headset Mode AUXO1/AUXO2 Table 3-3-1. Audio Mode Copyright © 2008 LG Electronics. Inc. All right reserved. - 57 - LGE Internal Use Only Only for training and service purposes...

  • Page 57: Voice Call

    • Loud Speaker Mode : SPK Amp SPKRP/N AUDIO AMP(MAX9877) Speaker(8Ω) • Headset Mode : Auxiliary audio amplifier AUXO1/2 AUDIO AMP(MAX9877) Head Phone LGE Internal Use Only - 58 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 58: Only For Training And Service Purposes

    ABB chip(AB3100) Input [MIC2N/2P] When the headset is inserted, USW_ID_ADC(Circuit Diagram net Name) detect the state and then, drive headset mode. Copyright © 2008 LG Electronics. Inc. All right reserved. - 59 - LGE Internal Use Only Only for training and service purposes...

  • Page 59: Only For Training And Service Purposes

    MP3 function supports PCM 44/48KHz sampling rate.The PCM44/48 RX-path is intended to be used as a audio amp and one speaker. LGE Internal Use Only - 60 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 60: Audio Main Component

    3. TECHNICAL BRIEF 3.3.7 Audio Main Component There are 4 components in TU750 schematic Diagram. Part Number marked on TU750 Schematic Diagram. ITEM PART NUMBER MAKER 기린(Keyrin) 1812-8T-01PP Speaker/Receiver SPU0410HR5H KNOWLES ACOUSTICS MAX9877 MAXIM Audio AMP Table 3-3-2. Audio Component List Copyright ©...

  • Page 61: Gpadc(General Purpose Adc) And Autoadc2

    The ADC block can be configured to adjust the measurement cycle in accordance with the status of TXON signal, charger or SLEEP mode. LGE Internal Use Only - 62 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 62: Charger Control

    VBAT Current sensing input positive CHSENSEN Analog VBAT Current sensing input negative Table 3-5-1. Charger Control channel spec Copyright © 2008 LG Electronics. Inc. All right reserved. - 63 - LGE Internal Use Only Only for training and service purposes...

  • Page 63: Fuel Gauge

    Fuel gauge current sensing input positive FGSENSEN Analog VBAT Fuel gauge current sensing input negative Table 3-5-2. Fuel Gauge channel spec LGE Internal Use Only - 64 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 64: Battery Temperature Measurement

    Fig 3-5-5. Battery Temperature Measurement Name Type Unused Description BDATA Digital Input/Output Unconnected current output Table 3-5-3 BDATA channel spec Copyright © 2008 LG Electronics. Inc. All right reserved. - 65 - LGE Internal Use Only Only for training and service purposes...

  • Page 65: Charging Part

    Battery block indication as shown in (Fig.2-5-7) 4.2000~3.864 4.2000~3.864 4.2000~3.864 4.2000~3.864 100~63(%) 62~39(%) 6~0(%) 38~6(%) Fig. 3-5-7 Battery Block Indication LGE Internal Use Only - 66 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 66: Only For Training And Service Purposes

    CCCV algorithm. (Fig.2-5-8) shows the charging voltage(a) and charging current change(b). (a) Charging voltage (b) Charging current Fig. 3-5-8. CCCV charging method Copyright © 2008 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

    • From 0 °C to 45 °C : Normal charging temperature • Over 45 °C : Extended temperature LGE Internal Use Only - 68 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 68: Voltage Regulation

    It provides power for the 32 kHz oscillator and the real-time clock (RTC). Table. 3-6-1. LDO and Buck Copyright © 2008 LG Electronics. Inc. All right reserved. - 69 - LGE Internal Use Only...

  • Page 69: Rf Technical Description

    RF blocks can be divided into three main parts, which are a WCDMA part, a GSM, and a RF front-end. Different from other general solutions, the RF front-end of TU750 consists of an antenna switch and an EDGE power amplifier module (PAM).

  • Page 70: Only For Training And Service Purposes

    . Power class : Power class 3 (+24dBm) in Band II & V . Zero-IF Receiver.No IF filter needed . Direct IQ modulation transmitter Figure 3-7-2. WCDMA RF structure Copyright © 2008 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

    VccWPA MCLKSec 2.75 V VRAD CLKREQ 26MHz X-tal Bias RF Pow det WPOW_DET_EN Figure 3-7-3. WCDMA Transceiver Architecture LGE Internal Use Only - 72 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 72: Only For Training And Service Purposes

    IF I and Q signals are further amplified with provision of 31 x 1 dB steps and DC offset compensation. The zero IF output buffer provides close rail-to-rail outputs signal. Copyright © 2008 LG Electronics. Inc. All right reserved. - 73 - LGE Internal Use Only...

  • Page 73: Only For Training And Service Purposes

    WTX_BAND_5_TO_PA OUT_BAND_5 Rev. 1.1 C118 TP102 C117 GND2 VEN_BAND_5 WTX_BAND_5_EN 8.2nH SKY77175 LDC15836M20Q-360 Figure 3-7-6. WCDMA PAM schematic LGE Internal Use Only - 74 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 74: Only For Training And Service Purposes

    Dual Transfer Mode (DTM) class 9 (3+2=5) Zero-IF receiver . Polar modulation transmitter Figure 3-7-7. GSM Transceiver Architecture Copyright © 2008 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

    3. TECHNICAL BRIEF A. Transmitter Part B. Receiver Part C. Synthesizer LGE Internal Use Only - 76 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 76: Only For Training And Service Purposes

    Front End to the correct duplexer. The output from the duplexer is connected to the LNA input in the WCDMA receiver. Figure 3-7-8. Front-End Module Copyright © 2008 LG Electronics. Inc. All right reserved. - 77 - LGE Internal Use Only...

  • Page 77: Only For Training And Service Purposes

    L103 REV.1.1 ANTSW0 ANTSW3 C124 C125 C126 C127 GSM PAM WITH ASM Figure 3-7-10. Front End part schematic LGE Internal Use Only - 78 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 78: Only For Training And Service Purposes

    RF system is estimated by a voltage measurement performed by the analog baseband controller. The control flow for the RF system is shown in Figure 3-7-11. Figure 3-7-11. RF Control Flow Copyright © 2008 LG Electronics. Inc. All right reserved. - 79 - LGE Internal Use Only...

  • Page 79: Trouble Shooting

    VDD_H (C309) 2.75V VDD_K(C312) 2.75V VDD_F VDD_LP(C313) 2.2V VBUCK(L301) 1.2V VDD_E VCORE Change main board < MAIN PCB > LGE Internal Use Only - 80 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 80: Usb Trouble

    USB Transceiver for High Speed TP04_BB R601 TP02_BB C606 TP03_BB C601 C602 TP04_BB R601 < Main Board – Bottom side > Copyright © 2008 LG Electronics. Inc. All right reserved. - 81 - LGE Internal Use Only Only for training and service purposes...

  • Page 81: Sim Detect Trouble

    Finish < SOCKET PCB - SIM Connector > Change SIM card Finish SIM work well? Change main board LGE Internal Use Only - 82 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 82: Microsd Card Trouble

    DAT1 MICROSD_DAT1_2V85 MICROSD_DAT3_2V85 DAT3 DAT0 MICROSD_DAT0_2V85 MICROSD_CMD_2V85 VDDG_2V85 MICROSD_CLK_2V85 GND1 GND3 GND2 GND4 < SocketPCB side microSD Socket> Copyright © 2008 LG Electronics. Inc. All right reserved. - 83 - LGE Internal Use Only Only for training and service purposes...

  • Page 83: Keypad , Touch Button And Touch Screen Trouble

    (1) If one of the side key is short with other signal or pressed, some key is not work. LGE Internal Use Only - 84 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 84: Main Board

    MIC1P VDDE_1V8 MIC1N KEY_LED1 CCO1 ④ KEY_LED2 KEYOUT4 TP08_BB VBAT KEYIN0 CN603 KEYOUT1 KEYIN1 KEYOUT2 KEYIN2 KEYOUT3 KEYIN3 Copyright © 2008 LG Electronics. Inc. All right reserved. - 85 - LGE Internal Use Only Only for training and service purposes...

  • Page 85: Only For Training And Service Purposes

    4. TROUBLE SHOOTING 4.5.2 Touch button and Touch screen Trouble ① ② U501 U503 ③ ④ ⑤ LGE Internal Use Only - 86 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 86: Only For Training And Service Purposes

    ① CN108 CN108 TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA TOUCH_SCREEN_INT TOUCH_3.1V TOUCH_BUTTON_SDA Multikey TP09_BB ① CN902 CN902 TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA TOUCH_SCREEN_INT TOUCH_3.1V TOUCH_BUTTON_SDA Copyright © 2008 LG Electronics. Inc. All right reserved. - 87 - LGE Internal Use Only Only for training and service purposes...

  • Page 87: Only For Training And Service Purposes

    ④ TOUCH_CONNECTOR R906 TOUCH_3.1V TP12_BB CN901 R907 TOUCH_SCREEN_INT TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA VA907 ICVN0505X150FR Rev.1.0 ⑤ ⑤ Change Multikey PCB LGE Internal Use Only - 88 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 88: Multi El Lighting Trouble

    4. TROUBLE SHOOTING 4-6 Multi EL lighting Trouble ① U504 ② ③ ④ ⑤ ⑥ Copyright © 2008 LG Electronics. Inc. All right reserved. - 89 - LGE Internal Use Only Only for training and service purposes...

  • Page 89: Only For Training And Service Purposes

    CN108 TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA TOUCH_SCREEN_INT TOUCH_3.1V TOUCH_BUTTON_SDA Multikey TP13_BB ① CN902 CN902 TOUCH_SCREEN_SCL TOUCH_SCREEN_SDA TOUCH_SCREEN_INT TOUCH_3.1V TOUCH BUTTON SDA LGE Internal Use Only - 90 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 90: Only For Training And Service Purposes

    10uH output U504 PGND APP_GP_ELDCDC_EN C514 4.7u C515 ANGD T_GND 2.2u MIC2290YML The output must be 6.1V DC. Copyright © 2008 LG Electronics. Inc. All right reserved. - 91 - LGE Internal Use Only Only for training and service purposes...

  • Page 91: Only For Training And Service Purposes

    D1 D2 D3 D4 D5 Q900 SIA450DJ C903 470pF S1 S2 R912 C905 C906 150p 0.1u 100K TOUCH_3.1V ⑥ Replace U900 LGE Internal Use Only - 92 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 92: Camera Trouble

    Change U401 or Change U402 C426 = 2.8V? Change 5M Camera 5M Camera Works Change the Main Board Copyright © 2008 LG Electronics. Inc. All right reserved. - 93 - LGE Internal Use Only Only for training and service purposes...

  • Page 93: Only For Training And Service Purposes

    4. TROUBLE SHOOTING CN401 34pin 5M Camera Connector in Main Board LGE Internal Use Only - 94 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 94: Only For Training And Service Purposes

    C426 U402 5M Regulator in Main Board (Top) TP19_BB VBAT CAM_AVDD_2V8 TP19_BB U402 R1114D281D-TR-F VOUT GND1 MMP_CAM_PWREN GND2 Copyright © 2008 LG Electronics. Inc. All right reserved. - 95 - LGE Internal Use Only Only for training and service purposes...

  • Page 95: Only For Training And Service Purposes

    4. TROUBLE SHOOTING ( It doesn’t use the VGA at TU750. There is the only VGA Connector) 4.7.2 VGA Camera VGA Camera control signals are generated by DB3200. START Press END Key to turn on the power Follow the Power On Trouble...

  • Page 96: Only For Training And Service Purposes

    4. TROUBLE SHOOTING CN605 CN104 Main Board 80 pin BtoB Connector LCD FPCB 20 pin VGA Connector Copyright © 2008 LG Electronics. Inc. All right reserved. - 97 - LGE Internal Use Only Only for training and service purposes...

  • Page 97: Only For Training And Service Purposes

    C509 LEDGND FLASHCNT TP20_BB DB3200 U502 TP21_BB TP20_BB (2.8V) (1.8V) C508 C509 Memory Charge Pump in Main Board LGE Internal Use Only - 98 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 98: Main Lcd Trouble

    Change LCD FPCB or Multikey PCB Change LCD Module The LCD Works LCD Display OK? Change the Main Board Copyright © 2008 LG Electronics. Inc. All right reserved. - 99 - LGE Internal Use Only Only for training and service purposes...
  • Page 99 LCD FPCB 44 pin BtoB Connector Main Board 80 pin BtoB Connector CN902 CN900 Multikey PCB 44pin & 37pin LCD Connector LGE Internal Use Only - 100 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 100: Keypad Backlight Trouble

    Keypad Backlight Works? Change Main Board Crack Mainkey PCB to main board Change Mainkey PCB Keypad Backlight Works Copyright © 2008 LG Electronics. Inc. All right reserved. - 101 - LGE Internal Use Only Only for training and service purposes...

  • Page 101: Only For Training And Service Purposes

    TP24_BB TP24_BB TP24_BB R102 R101 R102 R101 TP24_BB TP23_BB R102 R101 TP24_BB TP23_BB TP22_BB TP24_BB TP23_BB TP22_BB TP22_BB LGE Internal Use Only - 102 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 102: Folder On/Off Trouble

    Pin 1 of U101 = 1.8V board Crack Mainkey PCB Change Mainkey PCB Slide OK? Change Main board Finish Copyright © 2008 LG Electronics. Inc. All right reserved. - 103 - LGE Internal Use Only Only for training and service purposes...

  • Page 103: Only For Training And Service Purposes

    ACC_GP15_FLIPSENSE BU52031NVX TP25_BB U101 C109 C112 0.1u REV.B 0.1u U101 TP25_BB (1.8V) Be sure that magnet is here LGE Internal Use Only - 104 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 104: Audio Trouble Shooting

    5. Speaker/Receiver Note : It is recommended that engineer should check the soldering of R, L, C along the corresponding path before every step. Copyright © 2008 LG Electronics. Inc. All right reserved. - 105 - LGE Internal Use Only...

  • Page 105: Only For Training And Service Purposes

    LCD FPCB sus? Can you hear sine wave Change the Receiver out of the receiver ? LGE Internal Use Only - 106 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 106: Only For Training And Service Purposes

    4. TROUBLE SHOOTING B Side R321, R322 U302 A Side Pin 65, 66 CN605 LCD FPCB Copyright © 2008 LG Electronics. Inc. All right reserved. - 107 - LGE Internal Use Only Only for training and service purposes...

  • Page 107: Only For Training And Service Purposes

    WLED3 TOUCH_SCREEN_SCL WLED2 TOUCH_SCREEN_SDA WLED1 TOUCH_SCREEN_INT WLED_PWR (TOUCH_BUTTON_INT) REV.F TOUCH_BUTTON_SCL TOUCH_BUTTON_SDA TOUCH_RST C616 C617 CN101 SPK_RCV+ Speaker_PAD SPK_RCV- LGE Internal Use Only - 108 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 108: Only For Training And Service Purposes

    4. TROUBLE SHOOTING Measured 1khz Sine Wave Signal Measured 1khz Sine Wave Signal Copyright © 2008 LG Electronics. Inc. All right reserved. - 109 - LGE Internal Use Only Only for training and service purposes...

  • Page 109: Only For Training And Service Purposes

    Note : It is recommanded that engineer should check the soldering of R, L, C along the corresponding path before every step. LGE Internal Use Only - 110 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 110: Only For Training And Service Purposes

    LCD FPCB sus ? Can you hear sine wave Change the Speaker out of the receiver ? Copyright © 2008 LG Electronics. Inc. All right reserved. - 111 - LGE Internal Use Only Only for training and service purposes...

  • Page 111: Only For Training And Service Purposes

    4. TROUBLE SHOOTING B Side C348,C351 U302 A Side Pin 65, 66 CN605 LCD FPCB LGE Internal Use Only - 112 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 112: Only For Training And Service Purposes

    WLED3 TOUCH_SCREEN_SCL WLED2 TOUCH_SCREEN_SDA WLED1 TOUCH_SCREEN_INT WLED_PWR (TOUCH_BUTTON_INT) REV.F TOUCH_BUTTON_SCL TOUCH_BUTTON_SDA TOUCH_RST C616 C617 CN101 SPK_RCV+ Speaker_PAD SPK_RCV- Copyright © 2008 LG Electronics. Inc. All right reserved. - 113 - LGE Internal Use Only Only for training and service purposes...

  • Page 113: Only For Training And Service Purposes

    4. TROUBLE SHOOTING Measured 1khz Sine Wave Signal LGE Internal Use Only - 114 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 114: Only For Training And Service Purposes

    MIC on mainkey FPCB – R103, R104 on mainkey FPCB – C357, C358 on main Board – AB3100 Copyright © 2008 LG Electronics. Inc. All right reserved. - 115 - LGE Internal Use Only Only for training and service purposes...

  • Page 115: Only For Training And Service Purposes

    B’d Change the MIC Change the main Board Does it work properly ? CN101 SPK_RCV+ Speaker_PAD SPK_RCV- LGE Internal Use Only - 116 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 116: Only For Training And Service Purposes

    MIC1N Move to MAIN PCB : REV.C MIC1P SPU0410HR5H-PB Seperate DGND : 0.15mm Line CN101 SPK_RCV+ Speaker_PAD SPK_RCV- Copyright © 2008 LG Electronics. Inc. All right reserved. - 117 - LGE Internal Use Only Only for training and service purposes...

  • Page 117: Only For Training And Service Purposes

    C326 C327 MIC3P C357.C358 MIC3N MIC4P MIC4N C328 C329 C330 0.1u C331 0.1u C332 CN101 SPK_RCV+ Speaker_PAD SPK_RCV- LGE Internal Use Only - 118 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 118: Only For Training And Service Purposes

    Headset Can you hear sine wave Change the main B’d out of the receiver ? Copyright © 2008 LG Electronics. Inc. All right reserved. - 119 - LGE Internal Use Only Only for training and service purposes...

  • Page 119: Only For Training And Service Purposes

    4. TROUBLE SHOOTING R626 CN601 C345, C346 FB302, FB303 Bottom R636 U603 LGE Internal Use Only - 120 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 120: Only For Training And Service Purposes

    DRAIN_THERMAL 9 PSD12-LF INSTPAR D601 USW_DM USW_DP C606 USW_ID OVP Circuit EVLC18S02003 VA601 REV.F GU070-5P-SD-E1500 REV.F (Rev.1.1 update) Copyright © 2008 LG Electronics. Inc. All right reserved. - 121 - LGE Internal Use Only Only for training and service purposes...

  • Page 121: Only For Training And Service Purposes

    U603 ? If fail again, Change the main B’d Try again from the start Does it work properly ?? LGE Internal Use Only - 122 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 122: Only For Training And Service Purposes

    4. TROUBLE SHOOTING R626 Bottom R636 U603 Copyright © 2008 LG Electronics. Inc. All right reserved. - 123 - LGE Internal Use Only Only for training and service purposes...

  • Page 123: Only For Training And Service Purposes

    MIC2P USW_ID BLM15HD182SN1 VDD_MIC_2V6 VBAT R636 R1114D261D-TR-F U603 VOUT GND1 VDDE_1V8 C621 GND2 R626 USW_ID USW_ID_ADC C620 Rev.1.0 LGE Internal Use Only - 124 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 124: Charger Trouble Shooting

    - Check the charger connecter - Check the Charging current Path : Red Line( - Check the battery Copyright © 2008 LG Electronics. Inc. All right reserved. - 125 - LGE Internal Use Only Only for training and service purposes...

  • Page 125: Only For Training And Service Purposes

    C352 IREF 0.1u C353 R320 100K FGS+ 2012 R324 Route as a differential pair 1/4W 0.025 BATT_GND FGS- LGE Internal Use Only - 126 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 126: Checking Pmic Block

    Check BT Chip (U301) voltage level at C719 TP33: 2.75V? Check TP4 : 1.8V with Oscilloscope Check the BT antenna(TP5) Copyright © 2008 LG Electronics. Inc. All right reserved. - 127 - LGE Internal Use Only Only for training and service purposes...

  • Page 127: Only For Training And Service Purposes

    TEST2 AF_PRG VSS_BT_ANA VDD_DSM VDD_N TP04 VDD_CL VDD_RF C729 C730 C731 C732 220n 220n 220n 220n VSS_BT_ANA VSS_BT_RF LGE Internal Use Only - 128 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 128: Only For Training And Service Purposes

    BT IC Output (C716) Range Change BT Chip (U706) -2 ~ 2dBm ? with Spectrum Analyzer Check Next Stage Copyright © 2008 LG Electronics. Inc. All right reserved. - 129 - LGE Internal Use Only Only for training and service purposes...

  • Page 129: Rf Component

    IS101 WCDMA850 Isolator U101,104 WCDMA Directional Coupler IS102 WCDMA1900 Isolator U103 WCDMA Dual PA U106 RF3300 External LDO LGE Internal Use Only - 130 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 130: Procedure To Check

    Agillent 8960 : Test mode(GSM) Ch.198, P.L. 7 level setting Ch.198, -60dBm setting 5. Check GSM Block Redownload SW, Cal Copyright © 2008 LG Electronics. Inc. All right reserved. - 131 - LGE Internal Use Only Only for training and service purposes...

  • Page 131: Checking Common Power Source Block

    GSM PAM Block (Top) Step 4 Checking VCC Step 1 Power Source Block (Bottom) Figure 4-2. Common Source Block LGE Internal Use Only - 132 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 132: Only For Training And Service Purposes

    Change Board Open? From CN301 to C335 Solder again Check Component (CN301) In Power Source Block Copyright © 2008 LG Electronics. Inc. All right reserved. - 133 - LGE Internal Use Only Only for training and service purposes...

  • Page 133: Only For Training And Service Purposes

    From C335 to C101 Solder again Check Component (CN301) In Power Source Block LGE Internal Use Only - 134 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 134: Only For Training And Service Purposes

    From C335 to C129, C130 Solder again Check Component (CN301) In Power Source Block Copyright © 2008 LG Electronics. Inc. All right reserved. - 135 - LGE Internal Use Only Only for training and service purposes...

  • Page 135: Only For Training And Service Purposes

    Check Point 1.8V OK? Check the AB3100 LDOE_OUT (C303) Common Input Power is OK See The Next Part LGE Internal Use Only - 136 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 136: Checking Vcxo Block

    Figure 4-7. VCXO block Notebook to send TP command Oscilloscope Phone Figure 4-8. Connection for Checking VCXO Block Copyright © 2008 LG Electronics. Inc. All right reserved. - 137 - LGE Internal Use Only Only for training and service purposes...

  • Page 137: Only For Training And Service Purposes

    R143 WTXLP WTXIN WTXQP TP01 X101 TP01 X101 Figure 4-9-2. Schematic (Crystal Part) Figure 4-9-3. 26MHz at X100 LGE Internal Use Only - 138 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 138: Only For Training And Service Purposes

    SYSCLK0 SYSCLK0 SYSCLK1 SYSCLK1 USB_XTAL1 SYSCLK2 Figure 4-10-2. Schematic (26MHz at BB Part) Figure 4-10-3. 26MHz at R114 Copyright © 2008 LG Electronics. Inc. All right reserved. - 139 - LGE Internal Use Only Only for training and service purposes...

  • Page 139: Only For Training And Service Purposes

    Refer to Figure 4-10 Changing XTAL or U110 26MHz at MCLK VCXO part is O.K. Check next stage LGE Internal Use Only - 140 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 140: Checking Front End Module Block

    ANTSW1 TP01 TP01 ANTSW0 ANTSW3 C124 C125 C126 C127 Figure 4-11-2. Schematic (Antenna Switch Module + GSM/EDGE PA) Copyright © 2008 LG Electronics. Inc. All right reserved. - 141 - LGE Internal Use Only Only for training and service purposes...

  • Page 141: Checking Front End Module Block Input Logic

    Units -0.3 0.55 Input Logic Level High Vbatt Table 4-2. SKY77521 Logic Control Levels (TXEN, BS1, BS2, MODE) LGE Internal Use Only - 142 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 142 DCS/PCS Tx ANTSW0/3 ANTSW1 ANTSW2 GSM850 Rx EGSM Rx ANTSW0 ANTSW1 ANTSW2 PCS Rx DCS Rx ANTSW0 ANTSW1 ANTSW2 Copyright © 2008 LG Electronics. Inc. All right reserved. - 143 - LGE Internal Use Only Only for training and service purposes...
  • Page 143 Resolder it Check ANTSW0(C125) To check Switch input power source Check each mode Change the Board By TP command LGE Internal Use Only - 144 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 144: Checking Wcdma Block

    PAM Block SW101 RF switch 6. Check RF RX Level (Bottom) Re-download SW, Cal Figure 4-12. WCDMA Block Copyright © 2008 LG Electronics. Inc. All right reserved. - 145 - LGE Internal Use Only Only for training and service purposes...

  • Page 145: Checking Control Signal

    PIN12 (CLK) PIN11 (DATA) PIN10 (STROBE) U110 GSM/WCDMA Transceiver (RF3300) Figure 4-13-1. Test points (Control Signal) Bottom View LGE Internal Use Only - 146 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 146 Figure 4-13-2. Schematic (Control Signal) Notebook to send TP command Oscilloscope Phone Figure 4-14. Connection for Checking Control Signal Copyright © 2008 LG Electronics. Inc. All right reserved. - 147 - LGE Internal Use Only Only for training and service purposes...
  • Page 147 If signal is not OK even after downloading, Change the U110 Control Signal is O.K. Check next stage LGE Internal Use Only - 148 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 148: Checking Rf Tx Level

    Figure 4-16. Test point (RF TX Level) Notebook to send TP command Spectrum Analyzer Phone Fig. 4-17 Connection for Checking RF TX Level Copyright © 2008 LG Electronics. Inc. All right reserved. - 149 - LGE Internal Use Only Only for training and service purposes...
  • Page 149 R149 R150 WTX_BAND_2_TO_PA 5.6nH C157 6.8p R151 5.6nH TP01 TP03 R149 R150 FL106 SAFEA1G88KB7F00 Saw Input Saw Output LGE Internal Use Only - 150 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 150 R147(band5) PAM Input You have to check PAM block. with probe. The U110 will be not operated. Change the board Copyright © 2008 LG Electronics. Inc. All right reserved. - 151 - LGE Internal Use Only Only for training and service purposes...

  • Page 151: Checking Pam Block

    Duplexer DC/DC Output converter (C116) TP05F Duplexer Output (R101) Figure 4-18. Test points of WCDMA TX PAM block LGE Internal Use Only - 152 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 152 Check C132 Change 3.2~3.4V ? To Check PAM VCC the DC/DC converter from DC/DC converter (VCC_WPA) Change The PAM Copyright © 2008 LG Electronics. Inc. All right reserved. - 153 - LGE Internal Use Only Only for training and service purposes...

  • Page 153: Checking Gsm Block

    RF TX Path SW101 RF switch 6. Check RF RX Path (Bottom) Figure 4-19. GSM Block Re-download SW, Cal LGE Internal Use Only - 154 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 154 Refer to 4.18 Checking Ant. SW Module IF you already check this point while checking Ant. SW module (4.18), You can skip this test. Copyright © 2008 LG Electronics. Inc. All right reserved. - 155 - LGE Internal Use Only...
  • Page 155 Transceiver (RF3300) Figure 4-20. Test points of RF control signals TP01 TP01 RF_CTRL_STR_1 RF3300 RF_CTRL_DATA DATA RF_CTRL_CLK RF3300 LGE Internal Use Only - 156 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 156 Refer to Figure 4-15 Similar? Short? Re-download SW Change the board Control signal is OK. See next page to check Copyright © 2008 LG Electronics. Inc. All right reserved. - 157 - LGE Internal Use Only Only for training and service purposes...
  • Page 157 GSM/EDGE (+Ant. SW) U102 pin 4 ③ Vapc (Top) (Bottom) Figure 4-22. Test Points of GSM850/EGSM/DCS/PCS Tx Path LGE Internal Use Only - 158 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 158 ① SW101 C124 C125 C126 RF test connector GSM PAM WITH ASM ① TP01 SW101 RF test connector Copyright © 2008 LG Electronics. Inc. All right reserved. - 159 - LGE Internal Use Only Only for training and service purposes...
  • Page 159 Refer to Figure 4-18. GSM850>32dBm EGSM>32dBm DCS>29dBm PCS>29dBm GSM850/EGSM/DCS/PCS Tx path OK. See Chapter 4.21.6 to check Rx path LGE Internal Use Only - 160 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 160 Check GSM RF GSM850/EGSM/DCS Redownload SW Output power at ②. /PCS>5dBm See Next page to check Tx path Copyright © 2008 LG Electronics. Inc. All right reserved. - 161 - LGE Internal Use Only Only for training and service purposes...
  • Page 161 LB_RF_IN HB_RF_IN TP04 TP04 _TXEN C122 GSM850/EGSM/DCS GSM850/EGSM/DCS /PCS PAM Output /PCS PAM Output ④ ④ (C122) (C122) LGE Internal Use Only - 162 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 162 GSM850/EGSM/DCS/PCS DCS: 29.5.0dBm (U102) PAM output power at ④. GSM Tx path OK. See Next page to check Copyright © 2008 LG Electronics. Inc. All right reserved. - 163 - LGE Internal Use Only Only for training and service purposes...
  • Page 163 Agilent 8960 Setting CW Mode GSM850 : -50dBm@Ch198(883.2MHz) EGSM : -50dBm@Ch65(948MHz) DCS : -50dBm@Ch700(1842.8MHz) PCS : -50dBm@Ch700(1967.8MHz) v Oscilloscope Setting LGE Internal Use Only - 164 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 164 GSM850 Rx OUT_881_5 IN_881_5 GRX_850 L110 L111 SAWEN881MBA0F25 GSM850 Rx (R133) RF3300 8.2nH ND_2 L112 L113 (R133) ND_5 Copyright © 2008 LG Electronics. Inc. All right reserved. - 165 - LGE Internal Use Only Only for training and service purposes...
  • Page 165 Check GSM850/EGSM/DCS/PCS GSM850/EGSM:-51.5dBm Change Ant. SW module Rx signal level at ②. DCS/PCS:-51.7dBm (U102) GSM Rx path OK. LGE Internal Use Only - 166 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 166: Checking A-Gps Block

    3. Re-download SW (Bottom) Figure 4-48. GPS BLOCK 4. Change the LNA 5. Change the Module Change the sub board Copyright © 2008 LG Electronics. Inc. All right reserved. - 167 - LGE Internal Use Only Only for training and service purposes...
  • Page 167 VGPS_2V8(C728) Figure 4-49. GPS power line CH1. VGPS_1V8 CH3. VGPS_2V8 CH4. VGPS_CORE(1.5V) 200u Figure 4-50. GPS power signal LGE Internal Use Only - 168 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 168 26 MHz CLK(MCLK) Figure 4-51. CLK line CH2. GPS_PON CH3. CNTIN (MCLK) CH4. CLK (TCXO) 250us Figure 4-52. CLK signal Copyright © 2008 LG Electronics. Inc. All right reserved. - 169 - LGE Internal Use Only Only for training and service purposes...

  • Page 169: Download

    Select Model DLL. • Download Configuration Setup DLL configuration. • DLL Information Show DLL configuration information what is selected. LGE Internal Use Only - 170 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 170 Unchcked, use fixed USB port. You should assign port number with USB Address. • Image Files Select Image binary files. • GDFS File Select GDFS files. Copyright © 2008 LG Electronics. Inc. All right reserved. - 171 - LGE Internal Use Only Only for training and service purposes...

  • Page 171: Download

    • Close all preference dialog and select Start Button on main page. • Connect phone and wait until download finished. * Usage fixed USB port LGE Internal Use Only - 172 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 172 • Check USB Address which is loaded. • Do 2 again. • After assign all ports, press save dialog. Copyright © 2008 LG Electronics. Inc. All right reserved. - 173 - LGE Internal Use Only Only for training and service purposes...

  • Page 173: Block Diagram

    32kHz Bluetooth RESOUT2n SYSCLKREQ1 Radio Bluetooth SYSCLK1 Baseband RTCCLK VBAT 2.75V 1.8V PCMDLD Figure 6-1. RF Block Diagram LGE Internal Use Only - 174 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 174 Filter FL104 SAWEN881MBA0F25 Filter U202 DB3200 Modem Bluetooth U706(sub) STLC2500 Bluetooth A-GPS U703(sub) PMB2525 A-GPS RF Block Component Copyright © 2008 LG Electronics. Inc. All right reserved. - 175 - LGE Internal Use Only Only for training and service purposes...

  • Page 175: Whole Block Diagram

    6. BLOCK DIAGRAM 6.2 Whole Block Diagram LGE Internal Use Only - 176 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 176: Circuit Diagram

    R147 WTX_BAND_5_TO_PA R148 C156 BLUETOOTH BUFFER SAFEB836MAL0F00 SC100 R149 R150 WTX_BAND_2_TO_PA 5.6nH C157 6.8p R151 5.6nH FL106 SAFEA1G88KB7F00 Copyright © 2008 LG Electronics. Inc. All right reserved. - 177 - LGE Internal Use Only Only for training and service purposes...
  • Page 177 APP_I2C_SDA R221 APP_GP_SUBPM_SCL APP_I2C_SCL 0ohm_0603_case1 APP_GP_3AXIS_SDA APP_GP_3AXIS_SCL 0ohm_0603_case1 R224 APP_GP_USW_SDA AMP_I2C_SDA APP_GP_USW_SCL AMP_I2C_SCL R225 0ohm_0603_case1 REV.F APP_GP_PAD_SDA APP_GP_PAD_SCL LGE Internal Use Only - 178 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 178 R322 BEARN RXIN- C356 FGS+ Audio Amp. 2012 R324 Route as a differential pair 1/4W 0.025 BATT_GND FGS- Copyright © 2008 LG Electronics. Inc. All right reserved. - 179 - LGE Internal Use Only Only for training and service purposes...
  • Page 179 MMP_VDD_1V9 100K L401 4.7uH AGND L402 4.7uH C437 PGND T_GND _FPWM C441 C438 C439 C436 2.2u 0.1u REV.F LGE Internal Use Only - 180 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 180 U505 TPA6205A1ZQVR C519 C517 0.01u U506 R1114D261D-TR-F VOUT GND1 APP_GP_LCD_PWREN GND2 ZD501 C521 RSB6.8CST2R REV.F LCD 2.6V POWER Copyright © 2008 LG Electronics. Inc. All right reserved. - 181 - LGE Internal Use Only Only for training and service purposes...
  • Page 181 RESOUT2_n TOUCH_SCREEN_SCL WLED2 APP_GP_GPS_PON BT_CLK TOUCH_SCREEN_SDA WLED1 TOUCH_SCREEN_INT WLED_PWR 60pin Socket (TOUCH_BUTTON_INT) REV.F TOUCH_BUTTON_SCL TOUCH_BUTTON_SDA TOUCH_RST C616 C617 LGE Internal Use Only - 182 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 182 220n 220n 220n Rev.B VSS_BT_ANA VSS_BT_RF VGPS_1V8 VDDE_1V8 Rev.G VGPS_2V8 C736 C737 C738 220n 220n 0.1u RESOUT1_n Rev.B Copyright © 2008 LG Electronics. Inc. All right reserved. - 183 - LGE Internal Use Only Only for training and service purposes...
  • Page 183 LD802 APP_GP_GPS_PON BT_CLK to be separated when routing VA811 2.2u EVLC14S02050 C811 VA810 EVLC14S02050 60pin Header SIM CONNECTOR LGE Internal Use Only - 184 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 184 KEY_LED2 MIC1P SPU0410HR5H-PB 100ohm SSC-SWTS1007 ACC_GP15_FLIPSENSE BU52031NVX U101 C109 C112 0.1u 0.1u REV.B Seperate DGND : 0.15mm Line Copyright © 2008 LG Electronics. Inc. All right reserved. - 185 - LGE Internal Use Only Only for training and service purposes...
  • Page 185 HV_OUT_6 HVOUT5 HV_OUT_5 HVOUT4 HV_OUT_4 HVOUT3 HV_OUT_3 HVOUT2 HV_OUT_2 HVOUT1 TOUCH_BUTTON_SCL TOUCH_BUTTON_SDA ISSP TOUCH_SCREEN_SCL VBIAS TOUCH_SCREEN_SDA C907 0.1u LGE Internal Use Only - 186 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 186 APP_GP12_LCD_ID WLED5 VDDE_1V8 WLED4 WLED3 TOUCH_SCREEN_SCL WLED2 TOUCH_SCREEN_SDA WLED1 TOUCH_SCREEN_INT WLED_PWR TOUCH_BUTTON_SCL TOUCH_BUTTON_SDA TOUCH_RST TP100 TP101 TP102 TP103 Copyright © 2008 LG Electronics. Inc. All right reserved. - 187 - LGE Internal Use Only Only for training and service purposes...

  • Page 187: Side Key

    7. CIRCUIT DIAGRAM SIDE KEY SIDE_KEY VOICE_UP VOICE_DOWN LGIC(42)-A-5505-10:01 LGE Internal Use Only - 188 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 188: Bga Pin Map

    8. BGA Pin Map 8. BGA Pin Map 1) DBB IC : DB3200 (top view) Copyright © 2008 LG Electronics. Inc. All right reserved. - 189 - LGE Internal Use Only Only for training and service purposes...
  • Page 189 8. BGA Pin Map 2) ABB IC : AB3100 (top view) LGE Internal Use Only - 190 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 190 8. BGA Pin Map 3) Memory IC : KAL00900BM-DJ55 (top view) Don’t Use Copyright © 2008 LG Electronics. Inc. All right reserved. - 191 - LGE Internal Use Only Only for training and service purposes...
  • Page 191 8. BGA Pin Map 4) ZORAN IC : ZR3453X (top view) Don’t Use LGE Internal Use Only - 192 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 192 8. BGA Pin Map 5) Bluetooth IC : STLC2500D (top view) Copyright © 2008 LG Electronics. Inc. All right reserved. - 193 - LGE Internal Use Only Only for training and service purposes...
  • Page 193 8. BGA Pin Map 6) GPS IC : PMB 2525 LGE Internal Use Only - 194 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 194: Pcb Layout

    No Zoran operation Power TU750 GSM PA + ASM U102 No Tx amplifi er and antenna switch operation Copyright © 2008 LG Electronics. Inc. All right reserved. - 195 - LGE Internal Use Only Only for training and service purposes...
  • Page 195 TU750 operation PMIC & Audio IC U301 Speaker Amp No output of LDO, audio U302 No Speaker operation LGE Internal Use Only - 196 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 196 9. PCB LAYOUT Backup Battery BAT301 No RTC clock operation TU750 Copyright © 2008 LG Electronics. Inc. All right reserved. - 197 - LGE Internal Use Only Only for training and service purposes...
  • Page 197 No Sim card operation No Flash LED operation Micro SD socket Connector J801 No T-Flash card operation TU750 LGE Internal Use Only - 198 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 198 No hot key operation CAM sidekey SW101 No Camera operation Hall IC U101 No Slide detection MIC101 No Mic operation TU750 Copyright © 2008 LG Electronics. Inc. All right reserved. - 199 - LGE Internal Use Only Only for training and service purposes...
  • Page 199 9. PCB LAYOUT Antenna Connector Connector SW101 No Antenna connection TU750 LGE Internal Use Only - 200 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 200 9. PCB LAYOUT TU750 Copyright © 2008 LG Electronics. Inc. All right reserved. - 201 - LGE Internal Use Only Only for training and service purposes...
  • Page 201 No EL operation Touch Connector No Connector CN901 Touch operation EL driver IC U900 No EL operation TU750 LGE Internal Use Only - 202 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 202 No ALC operation <FPCB Connector> LCD assembly status Connector combination <FPCB connector> LCD assembly status Connector combination TU750 Copyright © 2008 LG Electronics. Inc. All right reserved. - 203 - LGE Internal Use Only Only for training and service purposes...
  • Page 203 9. PCB LAYOUT Motor pad Connector CN107 No Motor operation TU750 LGE Internal Use Only - 204 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 204: Calibration

    - HotKimchi EXE files - OS : Window98, Window2000, WindowXP 10.2.3 Configuration Diagram of Calibration Environment TU750 Figure 10-1. Calibration Configuration Copyright © 2008 LG Electronics. Inc. All right reserved. - 205 - LGE Internal Use Only Only for training and service purposes...

  • Page 205: Calibration Environment

    Target Power 23.0 23.0 23.0 Channel 4132 4183 4233 WCDMA850 Frequency 826.4Mhz 836.6Mhz 846.6Mhz Target Power 22.5 22.5 22.5 LGE Internal Use Only - 206 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 206: Program Operation

    WCDMA 850 - Instrument (Agilent8960, Tektronix PS2521G) control - UART communication with mobile phone TU750 Figure 10-2. HotKimchi Window Copyright © 2008 LG Electronics. Inc. All right reserved. - 207 - LGE Internal Use Only Only for training and service purposes...
  • Page 207 - Setup “Ezlooks” menu such as the following figure. TU750 - Setup “Line System” menu such as the following figure. TU750 Adjust the number of times LGE Internal Use Only - 208 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 208 Setup UART port 10.5.3 Calibration Start and End - Select “MODEL” - Click “Start” for RF Calibration TU750 Copyright © 2008 LG Electronics. Inc. All right reserved. - 209 - LGE Internal Use Only Only for training and service purposes...

  • Page 209: Stand-Alone Test

    11. STAND-ALONE TEST 11.1 General Description 1) General Description This document describes the installation and software usage for the stand-alone test of LG’s GSM/GPRS/EDGE/WCDMA Mobile Phone. The test menu and it’s result is displayed in PC terminal by Mobile phone.

  • Page 210: Usb Communication Setting

    - Press the key button of the mobile phone : “8”, “0” and “power key” simultaneously - Check if LG logo disappear after LG logo display for a while - Check if the EMP USB Modem driver is connected on the modem port of your PC - Check the port of “Ericsson Mobile Platform EMPG USB WMC Modem”...

  • Page 211: Program Operation

    - Calibration and Test (Non Signal) tree window - Quick Command mode window Figure 11-3. X-CALMON program window LGE Internal Use Only - 212 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 212 Figure 11-5. That will be shown all calibration items. If you want to calibrate a mobile phone for all calibration items, you should select “RF Calibration” and push “F4” button in your keyboard. Copyright © 2008 LG Electronics. Inc. All right reserved. - 213 - LGE Internal Use Only...
  • Page 213 - MAX TARGET : Control and view TX max target output power for the GSM and WCDMA band Figure 11-5. Tap view of calibration window LGE Internal Use Only - 214 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 214: Stand-Alone Test

    - Push “F4” button in you keyboard (Test procedure is executed) Figure 11-6. POT SET Configuration (PC SETTING tab view of calibration window) Copyright © 2008 LG Electronics. Inc. All right reserved. - 215 - LGE Internal Use Only Only for training and service purposes...
  • Page 215 And then you can see the log on the “STATUS” tab view as Figure 11-7. Figure 11-7. Test log window (STAUS tab view of calibration window) LGE Internal Use Only - 216 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 216 Copyright © 2008 LG Electronics. Inc. All right reserved. - 217 - LGE Internal Use Only Only for training and service purposes...

  • Page 217: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW 31 32 27 28 LGE Internal Use Only - 218 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 218 Copyright © 2008 LG Electronics. Inc. All right reserved. - 219 - LGE Internal Use Only Only for training and service purposes...
  • Page 219 ASS’Y EXPLODED VIEW E‘ B‘ A‘ D‘ C‘ LGE Internal Use Only - 220 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 220 Copyright © 2008 LG Electronics. Inc. All right reserved. - 221 - LGE Internal Use Only Only for training and service purposes...
  • Page 221 LGE Internal Use Only - 222 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 222: Replacement Parts

    MOLD, PC LUPOY SC-1004A, , , , , Black MBJL01 BUTTON,SIDE MBJL0061501 MOLD, PC LUPOY SC-1004A, , , , , Black Copyright © 2008 LG Electronics. Inc. All right reserved. - 223 - LGE Internal Use Only Only for training and service purposes...
  • Page 223 ACGS0021001 ASSY,SLIDE(UPPER) Color ABGG00 BUTTON ASSY,SUB ABGG0006201 Silver COVER ACGS00 ACGS0016502 Black ASSY,SLIDE(UPPER) ADBY00 DECO ASSY ADBY0011802 Black LGE Internal Use Only - 224 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 224 COMPLEX, (empty), , , , , Black Y, 35 WITHOUT MGAD00 GASKET,SHIELD FORM MGAD0185801 COMPLEX, (empty), , , , , COLOR Copyright © 2008 LG Electronics. Inc. All right reserved. - 225 - LGE Internal Use Only Only for training and service purposes...
  • Page 225 WHITE Without ACKA00 CAN ASSY,SHIELD ACKA0011401 Color WITHOUT MCBA00 CAN,SHIELD MCBA0033301 PRESS, STS, 0.2mm, , , , COLOR LGE Internal Use Only - 226 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 226 LABEL MLAZ0038301 PID Label 4 Array COLOR Without SC100 FRAME,SHIELD MFEA0021801 PRESS, STS, 0.2mm, , , , Color Copyright © 2008 LG Electronics. Inc. All right reserved. - 227 - LGE Internal Use Only Only for training and service purposes...

  • Page 227: Main Component

    ECCH0000196 0.75 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP C115 CAP,CERAMIC,CHIP ECCH0000701 1.2 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP LGE Internal Use Only - 228 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 228 ,[empty] ,[empty] ,2P ,1 ZD103 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 ZD104 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 Copyright © 2008 LG Electronics. Inc. All right reserved. - 229 - LGE Internal Use Only Only for training and service purposes...
  • Page 229 ,R/TP ,6P R900 RES,CHIP ERHY0009505 10 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP R901 RES,CHIP ERHY0009505 10 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP LGE Internal Use Only - 230 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 230 PCB ASSY,FLEXIBLE SACY0077801 Black SACB00 SACB0047801 ASSY,FLEXIBLE,INSERT SACE00 PCB ASSY,FLEXIBLE,SMT SACE0072401 Black PCB ASSY,FLEXIBLE,SMT SACC00 SACC0048801 Black BOTTOM Copyright © 2008 LG Electronics. Inc. All right reserved. - 231 - LGE Internal Use Only Only for training and service purposes...
  • Page 231 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C777 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP LGE Internal Use Only - 232 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 232 3.3 nH,S ,1005 ,R/TP ,PBFREE R702 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R703 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 233 - LGE Internal Use Only Only for training and service purposes...
  • Page 233 18 V, ,SMD ,3pF, 1005 VA806 VARISTOR SEVY0004001 18 V, ,SMD ,3pF, 1005 VA807 VARISTOR SEVY0003801 18 V, ,SMD , LGE Internal Use Only - 234 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 234 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C206 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 235 - LGE Internal Use Only Only for training and service purposes...
  • Page 235 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C238 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP LGE Internal Use Only - 236 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 236 ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C327 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C328 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 237 - LGE Internal Use Only Only for training and service purposes...
  • Page 237 CAP,TANTAL,CHIP ECTH0003701 10 uF,6.3V ,M ,L_ESR ,1608 ,R/TP C404 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP LGE Internal Use Only - 238 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 238 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C518 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C601 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 239 - LGE Internal Use Only Only for training and service purposes...
  • Page 239 60 ohm,1005 , FB601 FILTER,BEAD,CHIP SFBH0008102 1800 ohm,1005 ,Bead FL601 FILTER,EMI/POWER SFEY0006501 SMD ,3 TERMINAL EMI FILTER L301 INDUCTOR,SMD,POWER ELCP0005903 LGE Internal Use Only - 240 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 240 R221 SAFP0000401 SHORT PCB ASSY,MAIN,PAD R224 SAFP0000401 SHORT PCB ASSY,MAIN,PAD R225 SAFP0000401 SHORT PCB ASSY,MAIN,PAD R226 SAFP0000501 SHORT Copyright © 2008 LG Electronics. Inc. All right reserved. - 241 - LGE Internal Use Only Only for training and service purposes...
  • Page 241 10 ohm,1/16W ,J ,1005 ,R/TP R409 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP PCB ASSY,MAIN,PAD R417 SAFP0000401 SHORT LGE Internal Use Only - 242 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 242 3300 ohm,1/16W ,J ,1005 ,R/TP R633 RES,CHIP,MAKER ERHZ0000465 3300 ohm,1/16W ,J ,1005 ,R/TP R634 RES,CHIP ERHY0009506 100 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 243 - LGE Internal Use Only Only for training and service purposes...
  • Page 243 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 ZD601 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 ZD602 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 LGE Internal Use Only - 244 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 244 ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C133 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C134 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 245 - LGE Internal Use Only Only for training and service purposes...
  • Page 245 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C435 CAP,CERAMIC,CHIP ECCH0009514 10 pF,25V ,D ,X7R ,HD ,0603 ,R/TP LGE Internal Use Only - 246 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 246 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (10 Ohm,7.5pF) FL403 FILTER,EMI/POWER SFEY0011701 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (10 Ohm,7.5pF) Copyright © 2008 LG Electronics. Inc. All right reserved. - 247 - LGE Internal Use Only Only for training and service purposes...
  • Page 247 SAFP0000401 SHORT R116 RES,CHIP ERHY0003501 220 ohm,1/16W ,J ,1005 ,R/TP R118 RES,CHIP,MAKER ERHZ0000474 390 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only - 248 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 248 68 Kohm,1/16W ,J ,1005 ,R/TP R425 RES,CHIP ERHY0000283 130K ohm,1/16W,J,1005,R/TP R426 RES,CHIP ERHY0009527 47 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. - 249 - LGE Internal Use Only Only for training and service purposes...
  • Page 249 26 MHz,10 PPM,14 pF,25 ohm,SMD ,32*25*0.6 ,EMP X101 X-TAL EXXY0026101 Reference X-Tal, CF360, Pb-Free ,; ,26MHz ,10PPM ,14 , , ,SMD ,R/TP LGE Internal Use Only - 250 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 250 VMN2 ,5 V,10 W,R/TP ,1.0*0.6*0.4 ,; , ,7.82V , , ,100mW ZD501 DIODE,TVS EDTY0009401 ,[empty] ,[empty] ,2P ,1 Copyright © 2008 LG Electronics. Inc. All right reserved. - 251 - LGE Internal Use Only Only for training and service purposes...

  • Page 251: Accessory

    100-240V ,5060 Hz,5.1 V,0.7 A,UL ,Micro USB B type, ADAPTOR,AC-DC SSAD0027606 ID(180Kohm, F) ,; , ,5.1 ,0.7 , , ,WALL 2P ,USB , LGE Internal Use Only - 252 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 252 Note Copyright © 2008 LG Electronics. Inc. All right reserved. - 253 - LGE Internal Use Only Only for training and service purposes...
  • Page 253 Note LGE Internal Use Only - 254 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

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