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LG KP107a Service Manual

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Internal Use Only
Service Manual
KP107a
Date: April, 2008 / Issue 1.0

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Summary of Contents for LG KP107a

  • Page 1 Internal Use Only Service Manual KP107a Date: April, 2008 / Issue 1.0...

  • Page 2: Table Of Contents

    4.8 Key backlight Trouble ......63 13.3 Accessory ..........122 4.9 LCD Trouble...........65 4.10 Microphone Trouble ......68 4.11 Receiver Trouble........70 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: Performance

    Mono or Stereo(Optional) Yes(Plug in Type) : 1.8V & 3.0V MIDI 16 poly I/O Connect 18 Pins (included Earphone Jack) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...

  • Page 7: S/W Features

    Camera Camera Module Audio Voice Codec FR, HR, EFR, AMR-NB FM Radio Integrated handsfree speaker Speaker phone mode LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...

  • Page 8: Only For Training And Service Purposes

    Calling Line identification Full Call divert Speed Dialing Last Number Redial Multi-party Call (Conference Call) Explicit Call Transfer Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...

  • Page 9: Only For Training And Service Purposes

    Fixed Dial Number Barred Dial Number Service Dial Number Email Entry Picture ID Video Caller ID My Name card 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

    Message Protocol Normal, Fax, National Paging, Email, X400, ERMES, Voice Message Overflow Indicator Message Center Number Help Menu 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

    Sudoku support Menu Quick Access Mode (Profile) External Interface Electrical Man Machine Interface O Development and Test Facility 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

    Cigar Lighter Adapter Portable Handsfree Bluetooth headset Bluetooth stereo earset controller Car kit Leather Pouch Stylus Pen Luxury Package Compass Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...

  • Page 13: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 Digital Main Processor(PMB7880) Figure. 3-1 PMB7880 FUNCTIONAL BLOCK DIAGRAM LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...

  • Page 14: Only For Training And Service Purposes

    The E-GOLDvoice is powered by the C166®S MCU and TEAKLite® DSP cores. The operating temperature range from -40°C to 85°C. It is manufactured using the 0.13 µm CMOS process. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...

  • Page 15: Only For Training And Service Purposes

    • Fully integrated RF VCO. ] Crystal Oscillator • Fully digital controlled crystal oscillator core with a highly linear tuning characteristic. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...

  • Page 16: Only For Training And Service Purposes

    • System start up circuitry • Charger circuitry for NiCd, NiMh and LiIon cells • Integrated regulators for direct connection to battery. 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

    For baseband operation, the E-GOLDvoice supports: • Making or receiving a voice call • Sending or receiving an SMS. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...

  • Page 18: Only For Training And Service Purposes

    The E-GOLDvoice includes a multi-core debug. The C166 and TEAKlite cores can be debugged in parallel with: • A single JTAG port (that is, on a single host) • Mutual breakpoint control. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes...

  • Page 19: Only For Training And Service Purposes

    • Prevention of illegal Flash programming • Flash programming makes use of the E-GOLDvoice ID for personalization checks with IMEI and SIM-lock protection 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

    This processing includes frequency and timing compensation of the baseband and voiceband signals. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 -...

  • Page 21: Power Amplifier Modul(Sky77517)

    RF switches. The two Heterojunction Bipolar Transistor (HBT) PA blocks are fabricated onto a single Gallium Arsenide (GaAS) die. 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

    VLOGIC pad. This feature provides additional flexibility for the designer in the selection of FEM interface control logic. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 -...

  • Page 23: 26 Mhz Clock(Dcxo)

    AFC compensation is sent to the LUXO (Lineari-Zation Unit of Crystal Oscillator), which in turns control the DCXO core and generates The 26MHz system clock. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...

  • Page 24: Rtc(32.768Khz Crystal)

    The module RTC Shell solely performs level translation of the 32KHz clock to the VDD_LD1 power supply domain, and is not functionally associated with the RTC. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 -...

  • Page 25: Lcd Interface(3-Wire Spi Interface)

    C103 C101 C104 MLED W_LED_DRV EN_SET MLED1 MLED2 C106 R104 100K C108 C109 Figure 3-5-2. Charge pump interface 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

    Data Output (mA/Ch) Data Output (mA/Ch) 20.0 17.0 14.0 12.0 10.0 0.05 Figure 3-5-3. Charge pump Output Current Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...

  • Page 27: Sim Card Interface

    This signal makes SIM card to HW default status. SIM_CLK This signal is transferred to SIM card. SIM_DATA This signal is interface datum. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...

  • Page 28: Keypad Interface

    • To set the keypad to a 5x5 scan matrix (5 input and 5 output pins) The scan mode should be determined at the very beginning of the system start because changes are not allowed later. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 -...

  • Page 29: Battery Charging Block Interface

    AC adapter power good and Charge status indications to the system. MP26021 is available in a 10-pin 3mm x 3mm QFN package. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...

  • Page 30: Rf Interface

    An automatic DC-offset compensation is implemented and can be switched depending on the gain setting. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 -...

  • Page 31: Only For Training And Service Purposes

    (multi modulus divider) at a sample rate of 26MHz. Thus a tightly controlled frequency modulation of the VCO is achieved. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...

  • Page 32: Audio Interface

    The audio front-end itself can be considered to be organized in three sub-blocks: • Interface to processor cores (TEAKlite and - indirectly - C166S) • Digital filters • Analog part. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...

  • Page 33: Only For Training And Service Purposes

    Main Microphone Negative signal(Differential signal) MICP2 Headset Microphone Positive signal(Differential signal) MICN2 Headset Microphone Negative signal(Differential signal) VMIC Main/Headset Microphone supply power LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...

  • Page 34: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure 3-10-2 Main Speaker(Receiver) interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 - Only for training and service purposes...

  • Page 35: Only For Training And Service Purposes

    C317 4.7u (1608) GU041-18P-E1000 VBAT CN302 FB305 1800 BATT_TEMP C324 C318 C319 C320 C321 Figure 3-10-5 Headset interface LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...

  • Page 36: Key Led Interface

    This handset has 6 LEDs that illuminates blue color. Control signal is controlled by EGold-voice with PWM and handset has 3 methods, ON, OFF and Dimming. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 -...

  • Page 37: Vibrator Interface

    100K Figure 3-12 Vibrator interface This handset has vibrator operation. Control signal is controlled by EGold-voice with PWM. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...

  • Page 38: Memory Interface

    Up to 3 external CS signals can be generated to save external glue logic. Access to very slow memories is supported via a special ‘Ready’ function. The system MCU clock is set to run with 26Mhz. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...

  • Page 39: Power Block Interface

    After system start up several methods are implemented for active and idle power saving. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...

  • Page 40: Only For Training And Service Purposes

    • Internal reset of the baseband, including silent reset. • Tri-state function of the baseband module. • Standby mode controlled by VCXO_EN provided by SCCU module. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 -...

  • Page 41: Headphone Amplifier

    The LM4809 features an externally controlled, active-low, micropower consumption shutdown mode, as well as an internal thermal shutdown protection mechanism. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...

  • Page 42: Trouble Shooting

    REFERENCE PART Description U401 PAM (Power Amp. Module+ASM) X101 DCXO (26MHz) SW401 Mobile Switch FL401 RX SAW Filter Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 - Only for training and service purposes...

  • Page 43: Only For Training And Service Purposes

    L401 Antenna Matching component 3.3nH C407 SW401 RF500 Mobile SW L402 2.2nH PAM Matching component L403 C412 39nH LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...

  • Page 44: Only For Training And Service Purposes

    Resolder component component Check Change SW401 Mobile SW Check PAM Matching Resolder component component Download Calibration Change PCB Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...

  • Page 45: Only For Training And Service Purposes

    SW401 Check point. DCXO(X101) FL401 Check point mobile SW & U401 Filter(SW410, FL401) U103 Re-Download S/W & X101 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...

  • Page 46: Only For Training And Service Purposes

    PLL Circuit. FL401 U401 U103 X101 CIRCUIT Waveform Waveform X101 NX3225SA HOT2 3 GND2 1 HOT1 GND1 26MHz Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...

  • Page 47: Only For Training And Service Purposes

    Mobile SW & ASM is OK. U103 See next page X101 * TP 3, 4 and 5, 6 outputs of FL401 are balanced LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...

  • Page 48: Tx Trouble

    Control Signal (TP1,2,3) U401 Check ASM & Mobile U103 S/W & SAW (SW400 ,FL401) X101 Re-Download S/W & RF Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...

  • Page 49: Only For Training And Service Purposes

    Normal ? BS (TP3) H(2.7V) PAM Control Signal is OK. See next page to check Mobile SW Circuit. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...

  • Page 50: Only For Training And Service Purposes

    GSM850 RX PCS1900 RX VLOGIC (TP1) H(2.7V) H(2.7V) H(2.7V) H(2.7V) TXON_PA (TP2) H(2.7V) H(2.7V) BS (TP3) H(2.7V) H(2.7V) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...

  • Page 51: Only For Training And Service Purposes

    PCS1900 RX VLOGIC (TP3) H(2.7V) H(2.7V) TXON_PA (TP4) Signal is Replace FL401 OK ? BS(TP5) H(2.7V) Change the PCB. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...

  • Page 52: Power On Trouble

    2.2u (1608) C107 2V0_VRTC 2V5_VANA R105 C117 C116 C118 VBAT C119 R106 220n (1%) C120 4.7u (1608) REXT Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...

  • Page 53: Only For Training And Service Purposes

    PART THE PHONE WILL V_BUF 2.8V POWER ON. V_MEM 2.8V V_IO 2.8V V_SIM 2.85V VRF0 1.5V V_ANA 2.5V LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...

  • Page 54: Sim Card Trouble

    CIRCUIT DIAGRAM SIM_CONNECTOR 2V85_VSIM 2V85_VSIM 2V85_VSIM R129 4.7K R130 J101 SIM_RST SIM_DATA SIM_CLK GND2 GND1 C134 C135 C133 0.1u Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...

  • Page 55: Only For Training And Service Purposes

    Other component C134/C135 TP1 = 2.85V Check TP1 Change board Re-download SW Check Operation Change board LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...

  • Page 56: Vibrator Trouble

    VIBRATOR VBAT C136 C137 D101 (50V,J,NP0) 0.1u KDS221E_RTK CN103 R134 (1608) R135 1K Q101 VIBRATOR 2SC5585 R136 100K - 57 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 57: Only For Training And Service Purposes

    TP1=2.8V Check Voltage Level of Change PCB TP2=0.7V TP1/TP2 TP3=0V Check Voltage Level of Change Q101 Replace Vibrator LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...

  • Page 58: Keypad Trouble

    SW313 SW314 SW315 SW316 RIGHT SEND KEY_OUT3 SW317 SW318 SW319 SW320 DOWN KEY_OUT4 KEY_IN0 KEY_IN1 KEY_IN2 KEY_IN3 KEY_IN4 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...

  • Page 59: Only For Training And Service Purposes

    4. TROUBLE SHOOTING Checking Flow START Check Metal Doom Change Metal Doom Change PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...

  • Page 60: Rtc Trouble

    C131 C132 32.768KHz T_OUT8 T_OUT4 FM_32K (FOR FM RADIO) T_OUT3 T_OUT2 VLOGIC T_OUT0 TXON_PA C119 R106 220n (1%) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...

  • Page 61: Only For Training And Service Purposes

    Check soldering Replace C131,C132 status of C131,C132 Check Voltage Level of Replace C116, C117 TP1=2V RTC will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...

  • Page 62: Key Backlight Trouble

    CIRCUIT DIAGRAM KEY BACKLIGHT VBAT R308 R309 R310 R311 R312 R313 C323 C322 Q301 R314 KEY_BACKLIGHT KTC4075E R315 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...

  • Page 63: Only For Training And Service Purposes

    Of TP2 R315 and Q301 0V ~ 0.7V step waveform Check LED Replace component LD301~LD306 component R308~R313 Change PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...

  • Page 64: Lcd Trouble

    SSC0_MTSR MLED MLED1 MLED2 C121 C122 C123 C124 C125 C126 R113 LCD_ID VA101 EVLC5S0250 VA102 EVL5M02200 IMSA-9671S-13Y902 (ENQY0013801) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...

  • Page 65: Only For Training And Service Purposes

    Or change PCB Including soldering status Refer to next page Check soldering Replace CN101 status of CN101 Change PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...

  • Page 66: Only For Training And Service Purposes

    SSC0_MTSR(TP4) ] SSC0_MTSR pattern is out randomly when clock fluctuates, clock frequency is 13MHz and LCD_RESET(TP5) is High(2.8V). Also LCD_CS is LOW(0V). Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...

  • Page 67: Microphone Trouble

    2.2K C216 R225 MIC_P MIC201 100ohm 33nF C219 C220 R227 OB4-15L42-C33L MIC_N 100ohm 33nF C226 C227 R230 2.2K LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...

  • Page 68: Only For Training And Service Purposes

    Component status around MIC Re-solder or Check status of MIC replace Microphone Replace U103 or Replace PCB Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...

  • Page 69: Receiver Trouble

    R221 CIRCUIT DIAGRAM R221 REC_N L201 22nH R_S_N C217 L202 22nH R_S_P C222 C224 C221 C223 R229 REC_P LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...

  • Page 70: Only For Training And Service Purposes

    TP1 & TP2 1.2V Re-Assemble or Re-place Check the Contact Receiver Of Receiver Replace U103 or Replace PCB Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...

  • Page 71: Speaker Trouble

    SPK_AMP_EN _SHUTDOWN L202 22nH BYPASS R_S_P R226 C222 C224 C221 C223 100K R229 R228 120K REC_P C225 220n LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
  • Page 72 TP5, TP6 L201,L202 Re-Assemble Check the Contact or Re-place Of Speaker Speaker Try again or Change the Board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...

  • Page 73: Headphone Trouble

    FB308 12,13 : CHG 100K (25V, X5R, 1608) FB309 C313 C314 C315 C316 C317 4.7u (1608) GU041-18P-E1000 VBAT LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
  • Page 74 Replace U103 or Change another Ear-Mic set and Try again Change another Ear-Mic set and Try again Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...

  • Page 75: Charging Trouble

    (1608) C129 C130 R125 R126 R127 R128 3.9K 100K 100K 2.2u 0.1u (1%) (1%) (25V,K,Y5V) (85mA) (400mA) (2012) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
  • Page 76 High or Low? The battery may have Battery is charged? problems. Change the battery. Charging is properly operating Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...

  • Page 77: Download

    5. DOWNLOAD 5. DOWNLOAD 5.1 Download Setup Configure system like figure 5-1. Figure 5-1. Download Setup LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...

  • Page 78: Download Process

    Setting(S) → Configuration : configuration download condition DLL, SW files and etc. About(H) → MultiGSM : Provide version information First, select Setting Menu. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
  • Page 79 : Select download speed You must 460800. System supports maximum 460800bps. : Select port select start and end port be operated LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
  • Page 80 5. DOWNLOAD 5.2.3. Download step[3] C:\GSMULTI\Models\INFINEON\KP107a _07xxxx.dll : Select files downloaded KP107a have 4 files, *.eep, *.fls, *.dffs and *.cust. But You must not select *.eep file. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
  • Page 81 Turn on power of multi download and connector phones. If download is started, then push start button else program will download repeatedly. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
  • Page 82 5.2.5. Download step[5] KP107a : This region appears donwload status. If download is finished, PASS or FAIL.message is showed. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...

  • Page 83: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...

  • Page 84: Circuit Diagram

    100K F_CS RFU0 _CE1F _FLASH_CS RFU1 _CE1S _RAM_CS RFU2 CE2S RFU3 RY__BY _RY_BY ADD22 RFU4 WP_ACC R139 _RSTF Copyright © 2008 LG Electronics. Inc. All right reserved. - 85 - LGE Internal Use Only Only for training and service purposes...
  • Page 85 C224 C221 C223 OB4-15L42-C33L MIC_N 100K 100ohm 33nF R229 R228 120K REC_P C225 R230 C226 C227 2.2K 220n LGE Internal Use Only - 86 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 86 C320 C321 KEY BACKLIGHT VBAT R308 R309 R310 R311 R312 R313 C322 C323 Q301 R314 KEY_BACKLIGHT KTC4075E R315 Copyright © 2008 LG Electronics. Inc. All right reserved. - 87 - LGE Internal Use Only Only for training and service purposes...
  • Page 87 PART_NO SFSB0001401 5.1nH BAND_DETECT IN CASE OF GSM850/PCS1900 C416 DCS_RXP CHANGE THIS DUAL SAW FILTER TO PART_NO SFSB0001301 2.7K LGE Internal Use Only - 88 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 88: Bga Ic Pin Check

    BGA pin Check of Main Chip (Bottom View) 15 14 13 12 11 10 9 U103 Main chip (PMB7880) (EUSY0317401) Not Use Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
  • Page 89 8. BGA IC PIN Check BGA pin Check of Memory (Top View) U104 Memory (S71GL032N40BFW0P) Not Use (EUSY0328002) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...

  • Page 90: Pcb Layout

    9. PCB LAYOUT KP107a-MAIN-SPFY0170601-1.0-TOP Copyright © 2008 LG Electronics. Inc. All right reserved. - 91 - LGE Internal Use Only Only for training and service purposes...
  • Page 91 NO SIM NO Charging CN103 Vibrator PAD CN302 Battery connector NO Vibrator NO Power on NO Charging KP107a-MAIN-SPFY0170601-1.0-BOTTOM LGE Internal Use Only - 92 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 92: Engineering Mode

    Use Up and Down key to select a menu and press ‘select’ key to progress the test. Pressing ‘back’ key will switch back to the original test menu. 10.4 Engineering Mode Menu Tree Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 -...
  • Page 93 1. Audio Test 2. Close 6. FM Radio 7. CS user tendency * FM Radio function is not supported LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
  • Page 94 10.4.1.4 Vibrator This menu can control vibrator on and off operation. 10.4.1.5 Audio This menu can control MIDI operation Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
  • Page 95 This menu displays the Model software version. Eng Mode 1. Serving Cell 2. Neighbour Cells 3. Reset Information LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...

  • Page 96: Eng Mode

    Cipher : Cipher mode of Serving Cell CBQ : Cell Bar Quality flag of Serving Cell CBA : Cell Bar Access flag of Serving Cell Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 -...
  • Page 97 BSIC : Base Tranceiver Station Identity Code of Neighbour Cell 10.4.3.3 Reset Information This menu displays the information of reset point in source code, call stack. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...

  • Page 98: Call Timer

    10.4.5 Factory Reset This menu is to format data block in the flash memory and this procedure set up the default value in data block. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 -...
  • Page 99 4. Vibrator 5. LCD 6. Key Pad 7. Mic Speaker 8. FM radio * function is not supported LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
  • Page 100 If the key is working properly, name of the key is displayed on the screen. Band 1. Auto Selection 2. GSM850 3. PCS Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...

  • Page 101: Calibration

    11. CALIBRATION 11.1 Test Equipment Setup 4.000V 0.0000A 11.2 Calibration Steps 11.2.1 Tune on the phone 11.2.2 Execute “HK_28.exe” LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
  • Page 102 11. CALIBRATION 11.2.3 Click “SETTING” Memu KP107a 11.2.4 Setup “Ezlooks” menu such as the following fugure KP107a Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
  • Page 103 1. By-Pass: not control by GPIB 2. Normal : control by GPIB Setup UART Port PWR : Power Supply CELL :Call-Test Equipment LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
  • Page 104 11. CALIBRATION 11.2.7 Select “MODEL” 11.2.8 Click “START” for RF calibration KP107a 11.2.9 RF Calibration finish Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...
  • Page 105 11. CALIBRATION 11.2.10 Calibration data will be saved to the following folder KP107a KP107a LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...

  • Page 106: Stand Alone Test

    12.1.3 Confirm EEPROM & Delta file prefix name 12.1.4 Click “V24AT#ON” and then “Update Info” for communicating Phone and Test Program Not Connected Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
  • Page 107 12.1.6 Select “Non signaling” in the Quick Bar menu. Then Standalone Test setup is finished. Change "ptest mode" LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...

  • Page 108: Tx Test

    12.2.3 Select “TX” in the RF mode menu and “PCL” in the PA Level menu 12.2.4 Finally, Click “Write All” bar and try the efficiency test of Phone Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...

  • Page 109: Rx Test

    12.3.2 Select “RX” in the RF mode menu 12.3.3 Finally, Click “Write All” bar and try the efficiency test of Phone LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...

  • Page 110: Exploded View & Replacement Part List

    13. EXPLODED VIEW & REPLACEMENT PART LIST 13.1 EXPLODED VIEW Copyright © 2008 LG Electronics. Inc. All right reserved. - 111 - LGE Internal Use Only Only for training and service purposes...
  • Page 111 13.2 ASS’Y EXPLODED VIEW LGE Internal Use Only - 112 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 112: Replacement Parts

    SINTERING, (empty), , , , , Color Without MLAK00 LABEL,MODEL MLAK0010804 PRINTING, (empty), , , , , Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
  • Page 113 PRESS, Ni, , , , , Color Without MFEA00 FRAME,SHIELD MFEA0018101 PRESS, Ni, , , , , Color LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...

  • Page 114: Main Component

    ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C119 CAP,CHIP,MAKER ECZH0001216 220 nF,10V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
  • Page 115 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C209 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. - 116 - Only for training and service purposes...
  • Page 116 4.7 uF,10V ,M ,X5R ,TC ,1608 ,R/TP C316 CAP,CERAMIC,CHIP ECCH0000113 18 pF,50V,J,NP0,TC,1005,R/TP C317 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C318 CAP,CERAMIC,CHIP ECCH0000110 10 pF,50V,D,NP0,TC,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
  • Page 117 1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP FB307 FILTER,BEAD,CHIP SFBH0008105 1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
  • Page 118 100 Kohm,1/16W ,J ,1005 ,R/TP R123 RES,CHIP,MAKER ERHZ0000501 620 ohm,1/16W ,J ,1005 ,R/TP R125 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...
  • Page 119 10 Kohm,1/16W ,J ,1005 ,R/TP R223 RES,CHIP,MAKER ERHZ0000443 2200 ohm,1/16W ,J ,1005 ,R/TP R224 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
  • Page 120 Free ,; , , , , , , , , , VA201 VARISTOR SEVY0003901 5.5 V, ,SMD ,480pF, 1005 VA202 VARISTOR SEVY0003901 5.5 V, ,SMD ,480pF, 1005 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 - 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 SSAD0028203 ,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. - 122 - Only for training and service purposes...
  • Page 122 Note...
  • Page 123 Note...

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