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LG KP235 Service Manual

Lg kp235/230 mobile phone service manual
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Download this manual See also: User Manual
Internal Use Only
Service Manual
KP235/230
Date: March, 2008 / Issue 1.0

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Summary of Contents for LG KP235

  • Page 1 Internal Use Only Service Manual KP235/230 Date: March, 2008 / Issue 1.0...

  • Page 2: Table Of Contents

    4.13 Receiver Trouble......... 68 4.14 Microphone Trouble ......70 4.15 RTC Trouble ........72 4.16 Folder on/off Trouble......74 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...

  • Page 3: Only For Training And Service Purposes

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

  • Page 4: Introduction

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

  • 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 Copyright © 2008 LG Electronics. Inc. All right reserved. - 6 - Only for training and service purposes...

  • Page 6: Abbreviations

    International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode OPLL Offset Phase Locked Loop Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...

  • Page 7: Only For Training And Service Purposes

    Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...

  • Page 8: Performance

    Speaker/Receiver One way speaker Travel Adapter MIDI SW MIDI (Mono SPK) Camera VGA CMOS Bluetooth Bluetooth version 2.0+EDR Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...

  • Page 9: Technical Specification

    8 dBm 22 dBm 6 dBm 20 dBm 4 dBm 18 dBm 2 dBm 16 dBm 0 dBm LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...

  • Page 10: Only For Training And Service Purposes

    3,000 ~ <6,000 6,000 GSM900 Offset from Carrier (kHz) Max. [dBm] Output RF Spectrum (due to switching transient) 1,200 1,800 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...

  • Page 11: Only For Training And Service Purposes

    * Mean that Adopt a straight line in between 300 Hz and 1,000 Hz to be Max. level in the range. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...

  • Page 12: Only For Training And Service Purposes

    0.03 V 0(blink) 3.54V 0.05 V Battery Indicator 3.64V 0.05 V 3.75V 0.05 V 3.76V 0.05 V ~ Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...

  • Page 13: Only For Training And Service Purposes

    Battery full charge voltage = 4.2 V Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60 Hz Output: 4.8V ~ 6.4V, 400 mA LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...

  • Page 14: Technical Brief

    VLOGIC pad. This feature provids additional flexibility for the designer in the selection of FEM interface control logic. Figure 3.1 Functional Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 -...

  • Page 15: Only For Training And Service Purposes

    Table 3.1 Pad description Input Control Bits Mode LOGIC TX_En STANDBY GSM_RX CS_RX GSM_TX DCS_TX Table 3.2 Mode Control logic LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...

  • Page 16: Transceiver (Ad6548, U502)

    Interface Reg 3 Reg 2 Reg 1 VCC_ VBAT VLDO3 VLDO2 VLDO1 TXVCO Figure 3.3 AD6548 Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...

  • Page 17: Only For Training And Service Purposes

    2. Internally connected as Synth supply (Counters + SDM + Charge pump) 3. Supply regulated by internal LDO2 and should not be connected to any other supply LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...

  • Page 18: 26 Mhz Clock (Crystal, X500)

    26MHz crystal. Dedicated control software ensures excellent frequency stability under all circumstances. X500 26MHz TSX-3225_26MHZ Figure 3.4 CRYSTAL CIRCUIT DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes...

  • Page 19: B/T Chip (Bluecore 4-Rom Wlcsp, U401)

    3. TECHNICAL BRIEF 3.4 B/T Chip (Bluecore 4-ROM WLCSP, U401) System Architecure Device Features LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...

  • Page 20: Only For Training And Service Purposes

    VSS_ DIG VDD_ CORE VSS_ ANA VDD_ ANA VSS_LO VREG_IN VSS_ RADIO VDD_LO XTAL_ OUT XTAL_IN VDD_ RADIO Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...

  • Page 21: Baseband Processor (Ad6724, U104)

    On-chip support for GSM Data Services up to 14.4Kbits/sec, GPRS, HSCSD and IrDA JTAG Interface for Test and In-Circuit Emulation LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...

  • Page 22: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure 3.5 SYSTEM INTERCONECTION OF AD6721 EXTERNAL INTERFACE Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 - Only for training and service purposes...

  • Page 23: Only For Training And Service Purposes

    Select 16bits or 8bits interface mode for MAIN LCD. IF_MODE For the future Table 3.5.B LCD CONTRON SIGNALS DISCRIPTION LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...

  • Page 24: Only For Training And Service Purposes

    S_DATA (GPO 20) Serial Data to PLL S_CLK (GPO 21) Clock to PLL Table 3.4.C RF CONTROL SIGNALS DESCRIPTION Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...

  • Page 25: Only For Training And Service Purposes

    SIM_DATA SIM_CLK GND4 GND1 GND3 GND2 C317 C318 C319 C320 220n 1000p Figure 3.5.D2 SIM Interface of AD6724 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...

  • Page 26: Only For Training And Service Purposes

    - 2V5_VMIC: supplies the microphone interface circuitry (2.5 V, 2 mA) - 2V75_VVCXO: supplies the voltage controlled crystal oscillator ( 2.75 V, 10 mA) -2V75_VABB: analog basand relulator Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 -...

  • Page 27: Display And Interface

    - LCD_ID: LCD maker(0V for LGIT, 2.8V for Sharp) • For using 262K color, data buses should be 16 bits. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...

  • Page 28: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure 3.6 LCD INTERFACE CIRCUIT Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...

  • Page 29: Camera Interface(Ait701G , U402)

    YUV is real data interface signal. Figure 3.7.1 AIT701G BLOCK DIAGRAM Figure 3.7.2 SENSOR CHIP BLOCK DIAGRAM LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...

  • Page 30: Rx Trouble

    Crystal Circuit (2) Check Mobile SW &FEM (3) Check RX I/Q Signal Re-download SW or Do calibration again Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...

  • Page 31: Only For Training And Service Purposes

    26MHz_BT L500 C506 C507 C508 2.2u C511 1000p R515 C516 C518 R516 0.1u WAVEFORM Graph 4.2.1(b) Graph 4.2.1(a) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...

  • Page 32: Only For Training And Service Purposes

    Check if there is any Similar? Replace U502 Major difference Refer to graph 4.2.3 Redownload software and calibration again Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 - Only for training and service purposes...

  • Page 33: Tx Trouble

    Mobile SW & FEM (3)Check PAM control signal (4)Check TX I/Q Signal Redownload SW or Do calibration again LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...

  • Page 34: Only For Training And Service Purposes

    26MHz_BT L500 C506 C507 C508 2.2u C511 1000p R515 C516 C518 R516 0.1u WAVEFORM Graph 4.3.1(a) Graph 4.3.1(b) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...

  • Page 35: Only For Training And Service Purposes

    Any Major Difference or not Any Major Difference or not Refer to Graph 4.3.3 Go to Next Step LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...

  • Page 36: Only For Training And Service Purposes

    Check if there is Replace U503 Similar? Any Major Difference Refer to Graph4.3.4 Re-download the Software And calibrate Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...

  • Page 37: Power On Trouble

    C112 VMEM C113 2.2u VABB C114 VCORE C115 2.2u VMIC C116 VVCXO C117 VSIM DATA0 DATA00 DATA1 DATA01 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...

  • Page 38: Only For Training And Service Purposes

    Is the phone power on? Does it work properly? The phone will Replace the main board Properly operating. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...

  • Page 39: Charging Trouble

    IMIN ECZH0001215 4 _EN (10V,K,X5R) CHG_EN PGND C228 R225 R223 R224 ISL6294 240K EUSY0292601 (1%) (1%) ECZH0001215 (10V,K,X5R) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...

  • Page 40: Only For Training And Service Purposes

    Is Voltage across R222 U202 about 0V? Battery is charged? Replace the main board Charging is properly operating Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...

  • Page 41: Vibrator Trouble

    Figure 4.6 CIRCUIT VBAT VBAT VIBRATOR R332 R333 Q300 R334 R335 VIBRATOR R336 7.5K MOTOR(+) EMZ2 C316 4.7u LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...

  • Page 42: Only For Training And Service Purposes

    R333, Q300 Check the soldering Resolder or Replace vibrator of vibrator ? Replace vibrator Vibrator Working well ! Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...

  • Page 43: Lcd Trouble

    4. TROUBLE SHOOTING 4.7 LCD Trouble TEST POINT Figure 4.7 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...

  • Page 44: Only For Training And Service Purposes

    (300mA) (300mA) 2V8_AIT_BT 1V8_AIT_CORE 2V8_VEXT VBAT U405 R408 R409 RT9011-MGPQW R406 EUSY0319001 100K VOUT1 VOUT2 C422 C423 C424 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...

  • Page 45: Only For Training And Service Purposes

    Check the soldering of (FL700,FL701,FL702,FL703,FL705,FL707) EMI filter ? Does LCD work Replace LCD module properly ? LCD working well ! LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...

  • Page 46: Camera Trouble

    4. TROUBLE SHOOTING 4.8 Camera Trouble TEST POINT Figure 4.8 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...

  • Page 47: Only For Training And Service Purposes

    PHWAIT_ PDCLK C_MCLK C415 1000p AIT_13M PMCLK PPXL_CLK C_PCLK VDD_IO0 VDD_IO1 GND_IO0 GND_IO1 C416 C417 C418 C419 EUSY0318501 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...

  • Page 48: Only For Training And Service Purposes

    Itís camera moduleís problem Replace the camera module Check the signals of the Replace FL605,FL606,FL607,FL608 FL605,FL606,FL607,FL608 Camera will work properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...

  • Page 49: Speaker Trouble

    AMP_SHDN _SHUTDOWN SPK_RCV_N BYPASS R211 AMP_SHDN 100K C214 220n TPA6205A1ZQVR AMP INACTIVE HIGH AMP ACTIVE R213 C217 1000p LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...

  • Page 50: Only For Training And Service Purposes

    Check the Power voltage Change the U201 U201 = VBAT And work pr o perly ? Speaker Working well !! Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...

  • Page 51: Sim Card Interface Trouble

    2V85_VSIM 2V85_VSIM J300 R337 R338 SIM_RST SIM_DATA SIM_CLK GND4 GND1 GND3 GND2 C317 C318 C319 C320 220n 1000p LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...

  • Page 52: Only For Training And Service Purposes

    Does it work Does it work Properly? Properly? SIM card is properly working SIM card is properly working. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...

  • Page 53: Earphone Trouble

    C207 C209 VBAT 2V8_VEXT CN200 R230 R210 R212 100K 100K FB302 FB303 C216 HEADSET_SPK_OUT_P GENIE_TX C218 GENIE_RX JACK_DETECT LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...

  • Page 54: Only For Training And Service Purposes

    Or Change the U104 the earphone? and try again the earphone? Earphone will work properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...

  • Page 55: Key Backlight Trouble

    4. TROUBLE SHOOTING 4.12 KEY backlight Trouble TEST POINT VA308 Figure 4.12 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...

  • Page 56: Only For Training And Service Purposes

    Are all LEDs Check the soldering Working? each R and LED Replace or resolder Backlight will work properly. component Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...

  • Page 57: Receiver Trouble

    AOUT2P2 C144 C145 AOUT2P1 SPK_RCV_N AOUT2N1 AOUT2N2 AOUT3P AOUT3N SPK_P SPK_N NC28 C146 C147 FB301 HEADSET_SPK_OUT_P C149 C148 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...

  • Page 58: Only For Training And Service Purposes

    Change the U104 R115 and R118 fluctuate? Is receiver connected Resolder/Change the receiver Properly? Receiver will work properly. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...

  • Page 59: Microphone Trouble

    MIC200 VINNORP 100ohm C230 C231 SUMY0003802|mic_ob4_15l42_c33_bottomview C232 R228 OB4-15L42-C33L VINNORN 0.1u 100ohm R229 VA202 VA203 C233 C234 2.2K LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...

  • Page 60: Only For Training And Service Purposes

    Is it a few tens mV AC? Check the soldering of Resolder component R227,R228,C232 Microphone will work properly. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...

  • Page 61: Rtc Trouble

    KEYPADROW1 KEY_ROW2 KEYPADROW2 C119 KEY_ROW3 KEYPADROW3 X100 KEY_ROW4 KEYPADROW4 OSCIN R102 OSCOUT CLKIN C120 32.768KHz 1000p MC-146_12_5PF C121 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...

  • Page 62: Only For Training And Service Purposes

    R102 about 400mV? change the X100 Re-download software and try Is RTC properly working? again RTC will work properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...

  • Page 63: Folder On/Off Trouble

    4.16 Folder on/off Trouble TEST POINT R401 U400 Figure 4.16 CIRCUIT FLIP SWITCH 2V8_VMEM U301 EM-1681-FT FOLDER_DET C314 C312 C313 C315 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...

  • Page 64: Only For Training And Service Purposes

    =2.8V Close folder. Replace U301 Voltage at pin 1 of U301 = 0V Folder on/off will work properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...

  • Page 65: Download

    5. DOWNLOAD 5. DOWNLOAD 5.1 Download A. Download Setup Figure 5.1 describes Download setupp Figure 5.1 Download Setup LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
  • Page 66 5. DOWNLOAD B. Multi Download Procedure 1. Run GSM Multi Download program and select Setting KP235 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...
  • Page 67 2. Select Configuration from the menu and you may see this window 3. Press key to select DLL file and press Open KP235_.dll KP235_S_W.dll LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
  • Page 68 5. Select AlchemyData.mot and press open 6. Repeat step 4-5 to select CodeData.mot KP235_S_W Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
  • Page 69 7. Check if the ADI option is set to Hermes 8. Press OK to end Configuration Select Rate LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
  • Page 70 10. Once downloading is started, press STOP button to keep from re-downloading after downloading is completed. KP235 KP235 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...

  • Page 71: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM Figure 6.1 LG-KP210a Block Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...

  • Page 72: Circuit Diagram

    SPK_N CHG_DET USC5 SEND_KEY USC6 NC28 C146 C147 FB301 HEADSET_SPK_OUT_P Shield CAN C149 C148 (Finger Type) OJ100 OJ101 - 83 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 73 MIC200 VINNORP 100ohm C230 C231 SUMY0003802|mic_ob4_15l42_c33_bottomview C232 R228 OB4-15L42-C33L VINNORN 0.1u 100ohm R229 VA202 VA203 C233 C234 2.2K - 84 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 74 2V85_VSIM 2V85_VSIM J300 R337 R338 SIM_RST SIM_DATA SIM_CLK GND4 GND1 GND3 GND2 C317 C318 C319 C320 220n 1000p - 85 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 75 RT9011-MGPQW R406 EUSY0319001 100K VOUT VOUT1 VOUT2 R410 GND1 BT_LDO_EN GND2 C421 R1114D281D-TR-F C422 C423 C424 R411 C425 - 86 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 76 C536 CHANGE THIS DUAL SAW FILTER GSM 900 TX TO PART_NO SFSB0001401 C537 DCS1800 TX R517 RF_TEMP PT500 - 87 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 77 C_SDA INOUT_B3 INOUT_A3 C_SDA_IN C_VS_OUT INOUT_A4 INOUT_B4 C_VS L_DATA03 INOUT_B4 INOUT_A4 L_DATAOUT03 ICVE10184E150R500FR (50ohm, 15pF) ICVE10184E150R500FR (50ohm, 15pF) - 88 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 78 CN603 CAM_PWR_EN C_MCLK_IN C_RST C_PCLK_OUT C_SCL_IN C_CD00_OUT C_SDA_IN C_CD01_OUT C_CD02_OUT C_HS_OUT C_CD03_OUT C_VS_OUT C_CD04_OUT C_CD07_OUT C_CD05_OUT C_CD06_OUT ENBY0019501 - 89 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 79 7. CIRCUIT DIAGRAM DOWN DOWN -> -> KEY_COL1 -> KEY_COL2 -> KEY_ROW0 CN101 - 90 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 80: Bga Ic Pin Check

    8. BGA IC Pin Check 8. BGA IC Pin Check U104, AD6724(EUSY0354201) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
  • Page 81 8. BGA IC Pin Check U102, PF38F4050L0ZBQ0(EUSY0229501) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
  • Page 82 8. BGA IC Pin Check U402, AIT701G(EUSY0318501) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
  • Page 83 8. BGA IC Pin Check U401, BC41B143A06-IJB-E4(EUSY0293901) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...

  • Page 84: Pcb Layout

    9. PCB LAYOUT Q300 Motor operation No Motor U301 flip switch No folder detection - 95 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 85 No Service J300 SIM Conn SIM Connection U501 PAM GSM TX Power No Service Mic200 MIC No MIC - 96 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 86 9. PCB LAYOUT - 97 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 87 9. PCB LAYOUT - 98 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 88 9. PCB LAYOUT - 99 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 89 - 100 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 90: Engineering Mode

    UART On All Calls Backlight UART Off Reset Backlight Buzzer Buzzer Vibrator Vibrator Key PAD Battery MicSpkTest Audio Camera Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...

  • Page 91: Bb Test [Menu 1]

    This menu is to test the vibration mode. 1) Vibrator on: Vibration mode is on. 2) Vibrator off: Vibration mode is off. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
  • Page 92 2) DAI UPLINK: Speech encoder test 3) DAI DOWNLINK: Speech decoder test 4) DAI OFF: DAI mode off Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...

  • Page 93: Rf Test [Menu 2]

    [Soft2 Key]. If the key is working properly, name of the key is displayed on the screen. Test will be completed in 15 seconds automatically. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...

  • Page 94: Trace Option [Menu 4]

    RF Calibration data, etc. cannot be restored again. 10.7 S/W version This displays software version stored in the phone. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...

  • Page 95: Stand Alone Test

    - See if the value of RSSI is close to -16dBm when setting the value between 0 ~ 26 in Gain Control Index. - Normal phone should indicate the value of RSSI close to -16dBm. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...

  • Page 96: Means Of Test

    After setting them all above, press connect button. e. Press the start button Connect Button Figure 11.3.1 HW test program Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
  • Page 97 11. STAND ALONE TEST Figure 11.3.2 HW test setting Figure 11.3.3 Ramping profile LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...

  • Page 98: Auto Calibration

    PC (for Software Installation) Pentium II class above 300MHz Table 12.2.1 Calibration Equipment List. Figure 12.2.1 Equipment Setup Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...

  • Page 99: Test Jig Operation

    Indicate data transfer state through the UART port LED 4 Indicate data transfer state through the MON port Table 12.3.3 LED Description LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...

  • Page 100: Procedure

    TEST JIG, in general.) 2. Run Hot_Kimchi.exe to start calibration. 3. From the Calibration menu, Select KP235! KP235 MG295 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
  • Page 101 12. AUTO CALIBRATION 4. Press Calibration START KP235 MG295 KP235 MG295 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...

  • Page 102: Agc

    12.7 ADC This procedure is for battery calibration. You can get main Battery Config Table and temperature Config Table will be reset. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
  • Page 103 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...

  • Page 104: Exploded View & Replacement Part List

    13. EXPLODED VIEW & REPLACEMENT PART LIST 13.1 EXPLODED VIEW - 115 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 105 ASS’Y EXPLODED VIEW - 116 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 106: Replacement Parts

    MPBU0010501 COMPLEX, (empty), , , , , Black MPBU01 PAD,CONNECTOR MPBU0010502 COMPLEX, (empty), , , , , Black Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
  • Page 107 MLAK0018622 PRINTING, (empty), , , , , Without Color ADCA00 DOME ASSY,METAL ADCA0071301 KP210 VIVSV, DOME SHEET White LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
  • Page 108 MCBA0024201 COMPLEX, (empty), , , , , Without Color MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...

  • Page 109: Main Component

    2 V,0.5 mAh,CYLINDER ,Reflow type BB, Max T 1.67, phi BAT100 BATTERY,CELL,LITHIUM SBCL0001701 4.8, Pb-Free C100 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
  • Page 110 ECZH0001215 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP C132 CAP,CHIP,MAKER ECZH0001215 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 - Only for training and service purposes...
  • Page 111 220 nF,10V ,K ,X5R ,TC ,1005 ,R/TP C216 CAP,TANTAL,CHIP ECTH0004101 22 uF,6.3V ,M ,STD ,1608 ,R/TP C217 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
  • Page 112 ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C403 CAP,CERAMIC,CHIP ECCH0000701 1.2 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP C404 CAP,CERAMIC,CHIP ECCH0000112 15 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 123 - Only for training and service purposes...
  • Page 113 ECCH0000113 18 pF,50V,J,NP0,TC,1005,R/TP C514 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C515 CAP,CHIP,MAKER ECZH0000816 12 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
  • Page 114 18 PIN,0.4 mm,ANGLE , ,H=2.5, Reverse Type CONNECTOR,BOARD TO CN600 ENBY0036801 60 PIN,0.4 mm,ETC , ,H=1.0, Socket BOARD Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 125 - Only for training and service purposes...
  • Page 115 2200 ohm,1/16W ,J ,1005 ,R/TP R101 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R102 RES,CHIP ERHY0000512 10M ohm,1/16W,J,1608,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...
  • Page 116 2200 ohm,1/16W ,J ,1005 ,R/TP R301 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP R315 RES,CHIP,MAKER ERHZ0000505 680 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
  • Page 117 4700 ohm,1/16W ,J ,1005 ,R/TP R604 RES,CHIP,MAKER ERHZ0000485 4700 ohm,1/16W ,J ,1005 ,R/TP SW500 CONN,RF SWITCH ENWY0004501 ,SMD , dB,H=3.6, Straight type LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
  • Page 118 VA600 VARISTOR SEVY0000701 14 V, ,SMD ,120pF, 1005 .032768 MHz,20 PPM,12.5 pF,65000 ohm,SMD X100 X-TAL EXXY0004602 ,6.9*1.4*1.3 , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
  • Page 119 100 ohm,1/16W ,J ,1005 ,R/TP R303 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP R304 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
  • Page 120 14 V, ,SMD ,120pF, 1005 VA313 VARISTOR SEVY0000701 14 V, ,SMD ,120pF, 1005 VA314 VARISTOR SEVY0000701 14 V, ,SMD ,120pF, 1005 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...

  • Page 121: Accessory

    100-240V ,5060 Hz,5.6 V,.4 A,CE ,AC-DC ADAPTOR ,; ADAPTOR,AC-DC SSAD0028802 ,85Vac~264Vac ,5.6V +/-0.8V ,400mA ,5060 , ,WALL 2P ,I/O CONNECTOR , LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 132 - Only for training and service purposes...
  • Page 122 Note...
  • Page 123 Note...

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