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LG KP151Q Service Manual
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LG KP151Q Service Manual

LG KP151Q Service Manual

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Internal Use Only
Service Manual
KP151Q
Date: September, 2008 / Issue 1.0

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Summary of Contents for LG KP151Q

  • Page 1 Internal Use Only Service Manual KP151Q Date: September, 2008 / Issue 1.0...
  • Page 2 LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make changes to equipment design as advances in engineering and manufacturing methods warrant. This manual provides the information necessary to install, program, operate and maintain the KP151Q. Copyright © 2008 LG Electronics. Inc. All right reserved.
  • Page 3 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 4 - Only for training and service purposes...

  • Page 4: Table Of Contents

    <Mechanic component>....111 4.4 TX Transmitter Part........49 <Main component> ......114 4.5 Power On Trouble........54 11.3 Accessory ......... 127 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 5 - Only for training and service purposes...

  • Page 5: Only For Training And Service Purposes

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

  • Page 6: Introduction

    A local telephone company may make changes in its communications facilities or procedure. If these changes could reasonably be expected to affect the use of the KP151Q or compatibility with the network, the telephone company is required to give advanced written notice to the user, allowing the user to take appropriate steps to maintain telephone service.

  • Page 7: Only For Training And Service Purposes

    1. Introduction E. Notice of Radiated Emissions The KP151Q complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user.

  • Page 8: Abbreviations

    Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...

  • Page 9: General Performance

    Application Standard SMS : Yes 2.3 Main Parts: GSM Solution KP151Q Digital Baseband TI Locosto(D6591B) RF Chip SKY77318 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...

  • Page 10: Hw Feature

    Function Key : 10 5 Key Navigation, 5 Key Navigation, F1, F2, C, SND, END/PWR Antenna Internal Antenna Quad-band 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

    Built in Vibrator MIDI (for Buzzer SW Decoded 16Poly Function) Voice Recording 30 sec. Travel Adapter Options Ear-Microphone Data Cable LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...

  • Page 12: S/W Features

    Name only Group Possible Rename Fixed Dial Number Service Dial Number Own Number Voice Memo Call Reminder Network Selection 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

    Built in Data & Fax support Wall Paper WAP Browser Download SIM Lock Operator Dependen SIM Toolkit Class 1, 2, 3 EONS 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

    2. General Performance Item Feature Comment CPHS Conference Call DTMF DTMF Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...

  • Page 15: Hw Circuit Description

    3. H/W Circuit Description 3. HW Circuit Description 3.1 Digital Main Processor (Locosto) Figure. 3-1 Locosto FUNCTIONAL BLOCK DIAGRAM 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

    The Locosto is powered by the ARM7(104MHz) MCU and C54® 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 - 17 -...

  • Page 17: Only For Training And Service Purposes

    - Burst mode, page-mode external memory: NAND and NOR flash and SRAM (frame buffer) ■ Hardware security - Flash content - International mobile equipment identity (IMEI) protection - SIM lock 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

    - Up to 32 polyphonies stereo midi player - Up to 32 polyphonies mono midi ringer - JPEG encode and decode 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

    - Primary (Qcif) and secondary LCD - NAND flash-based media storage (for example, on-board SmartMedia) - USB carkit 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

    ( -101 〜 -103) ± 2 (dBm) ( -104 〜 -105) ± 2 (dBm) Less -106 ± 2 (dBm) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...

  • Page 21: Power Amplifier Module (Sky77318)

    GSM850/900, DCS1800, and PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...

  • Page 22: 26 Mhz Clock (Dcxo)

    Then the required 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. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...

  • Page 23: Rtc(32.768Khz Crystal)

    32KHz clock to the VDD_LD1 power supply domain, and is not functionally associated with the RTC. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...

  • Page 24: Lcd Interface(8-Bit Parallel Interface)

    MLED1/2 This signal be feed back from white LEDs. V_EXTH, V_IO This signal provides power to LCD modules. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...

  • Page 25: Sim Card Interface

    This signal makes SIM card to HW default status. SIM_CLK This signal is transferred to SIM card. SIM_IO This signal is bi-directional data line LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...

  • Page 26: Keypad Interface

    DOWN R233 KBR(4) R234 KBC(0) R235 KBC(1) R236 KBC(2) R237 KBC(3) R238 KBC(4) Figure 3-7 KEY MATRIX Interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...

  • Page 27: Battery Charging Block Interface

    The ISL9221 has four basic modes for the battery charge cycle: preconditioning/trickle charge; constant current/fast charge; constant voltage; and end of charge. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...

  • Page 28: Rf Interface

    An integrated, selfaligning, low-pass filter ensures the receivers to function under blocking and reference interference conditions and avoids aliasing by baseband sampling. An automatic DC-offset compensation is implemented and can beswitched depending on the gain setting. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 -...

  • Page 29: 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. - 30 - Only for training and service purposes...

  • Page 30: Audio Interface

    L201 100nH L200 C222 MICIP MIC200 100nH R227 C223 C225 C224 MICIN SPM0204LE5-QB Figure 3-10-1 Main Mic interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...

  • Page 31: Only For Training And Service Purposes

    SPKPD_2 VBAT SPKND_1 SPKND_2 SPKVDD_1 SPKVDD_2 SPKGND_2 SPKGND_1 C121 C122 0.1u 4.7u Figure 3-10-2 Downlink Interface of ABB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...

  • Page 32: Only For Training And Service Purposes

    C215 0.1u 2.2u 100K L100 100nH R112 EARN EAR_P L101 100nH R113 EARP EAR_N Figure 3-10-3 Speaker/Receiver Interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...

  • Page 33: Key Led Interface

    This handset has 10 LEDs that illuminates blue color. Control signal is controlled by Locosto with PWM and handset has 3 methods, ON, OFF and dimming. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...

  • Page 34: Vibrator Interface

    REGEN Figure 3-12 Vibrator interface This handset has vibrator operation. Control signal is controlled by Locosto with PWM. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 - Only for training and service purposes...

  • Page 35: Memory Interface

    A_DQ14 DATA_ADD(14) R212 F_ACC A_DQ15 DATA_ADD(15) 100K ADD(16) ADD(17) ADD(18) ADD(19) ADD(20) ADD(21) ADD(22) Figure 3-13 Memory interface LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...

  • Page 36: Power Block Interface

    USB Block VRPLL 1.4V/1.3V/1.05V PLL Block VRIO 1.8V I/O Interface VRWLED White LED Drive Table LDO Output Table Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 - Only for training and service purposes...

  • Page 37: Only For Training And Service Purposes

    3. HW Circuit Description ABB Power Supply Scheme LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...

  • Page 38: Fm Radio Interface

    The Si4702(Si4703) integrates the complete tuner function from antenna input to stereo audio output for FM broadcast radio reception. Functional block diagram Functional block diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
  • Page 39 LOUT Left audio output. Analog supply voltage. May be connected directly to battery. 17,18,19 GPIO3,2,1 General purpose input/output. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...

  • Page 40: Camera Interface

    3. HW Circuit Description 3.16 Camera INTERFACE Parallel Camera Interface in generic configuration is same below. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...

  • Page 41: Trouble Shooting

    - Connect mobile switch cable between Communication test set and DUT when you need to make a phone call. - Follow trouble shooting procedure LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...

  • Page 42: Rf Part Component

    DBB(Included RF Block) U400 PAM (Power Amp. Module) X101 DCXO (26MHz) FL400 FEM (Front Ended Module) SW400 Mobile Switch 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

    NC17 NC18 NC19 SPARE3 SPARE2 XTAL < DCXO Placement> < DCXO Circuit> Pin 1 Waveform Frequen <DCXO Waveform> 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

    850/900 RX 1800/1900 TX 1800/1900 RX ANT_SW1 ANT_SW2 < FEM LOGIC TABLE> < LOW BAND> < HIGH BAND> Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...

  • Page 45: Rx Receiver Part

    EGSM CH37 DCS CH698 FL400 U400 Check point. DCXO(X101) Check point mobile SW & (SW400 ,FL400) Re-Download S/W & 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

    C112 4.7p NC13 1.5M NC14 NC15 NC16 NC17 NC18 NC19 SPARE3 SPARE2 XTAL < DCXO Circuit> <DCXO Waveform> 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 & FEM is OK. See next p age < Mobile S/W & FEM Placement> GSM850 Signal Spectrum < SW400 Signal> LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...

  • Page 48: Tx Transmitter Part

    Output Sig nal Check p oint PAM(U400) Control Signa l Check Mobile S/W & (FL400,SW400) Re-Dow nload 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

    C112 4.7p NC13 1.5M NC14 NC15 NC16 NC17 NC18 NC19 SPARE3 SPARE2 XTAL < DCXO Circuit> <DCXO Waveform> 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

    PA_EN RSVD_GND ENABLE R405 PA_BAND P_GND L410 C422 C423 C419 2.7nH C421 0.5p 0.5p < PAM INPUT Circuit> 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

    P_GND L410 C422 C423 C419 2.7nH C421 0.5p 0.5p < PAM Control Circuit> < PAM Control Wave > LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...

  • Page 52: Only For Training And Service Purposes

    850/900 RX 1800/1900 TX 1800/1900 RX ANT_SW1 ANT_SW2 < FEM LOGIC TABLE> < LOW BAND> < HIGH BAND> Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...

  • Page 53: Power On Trouble

    V_MEM VRWLED SDB0530 C143 2.2u C154 C155 C156 C157 C158 C159 C160 C161 C162 C163 0.1u 470n 2.2u LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...

  • Page 54: Only For Training And Service Purposes

    V_SIM= 1.8 or 3V, V_USB=3.3V, V_RTC=1.8V V_IO=1.8V, V_ABB =2.8V, V_MEM=1.8V , V_PLL= 1. 3V Replace the main board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...

  • Page 55: Charging Trouble

    _CHG IVDC CHG_EN Charging while IMIN CHG_EN is low IUSB R305 C304 C305 C306 R307 0.1uF 0.1uF 0.1uF LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
  • Page 56 The ba ttery may have Battery is charg ed? probl ems. Change the battery. Charging is properly operating Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...

  • Page 57: Rtc Trouble

    CHECKING FLOW START Is the frequency about 3 2Khz Replace X100 and try again. RTC will work prop erly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...

  • Page 58: Lcd Trouble

    0.1u 0.1u IND_LED_B C312 C313 IND_LED_R 0.1u 0.1u VA300 VA302 VA303 C315 C316 C314 varistor VA301 1000p 0.1u Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...
  • Page 59 LCD Interface from U102 Does LCD w ork Replace LCD module prop erly ? LCD wo rking well ! LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...

  • Page 60: Speaker & Receiver Trouble

    TP 3 L100 100nH R112 EARN EAR_P L101 100nH R113 EARP EAR_N TP 4 Figure 3-10-3 Speaker/Receiver Interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
  • Page 61 Re-Asse mble Check t he Sold er or Re-place Of Speak er Speaker Try again or Change the Board LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
  • Page 62 Check t he Sold er Re-place Receiv er Of Receiv er Try again or Ch ang e the Bo ard Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...

  • Page 63: Headphone Trouble

    VA306 VA307 VA308 VA309 C330 C331 C332 L302 VA305 2200p 4.7K 4.7u C326 100nH C333 (2012) (10V,Z,Y5V) (50V,J,NP0) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
  • Page 64 Does w aveform at component CN302 pi n4,5 fluctuate? (CN302,C321 etc.) Change anoth er Ear-Mi c set and Try again Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...

  • Page 65: Microphone Trouble

    VA205 0.1u C217 L201 100nH L200 C222 MICIP MIC200 100nH R227 C223 TP 2 C225 C224 MICIN SPM0204LE5-QB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
  • Page 66 Re-solder or replace the mi crophone at MICP. Is it about 1. 2~1.5V? Microphone w ill work properly. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...

  • Page 67: Sim Card Trouble

    TP 2 SIM_RST SIM_IO SIM_CLK TP 3 GND5 GND2 GND3 C145 GND4 C146 C147 D101 D102 D103 0.1u LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
  • Page 68 Does i t work Does i t work Proper ly? Proper ly? SIM Card will be detecte d. Change SIM Card Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...

  • Page 69: Key Backlight Trouble

    100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm 100ohm R229 Q200 KEY_BACKLIGHT 2SC5585 R231 100K TP 1 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
  • Page 70 LD200~LD209 Workin g? Backlight w ill work pro perly . Replace or re-sold ering co mp on ent Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...

  • Page 71: Vibrator Trouble

    VA300 VA302 VA303 IREF C315 C316 R106 120K C314 REFGND varistor VA301 1000p 0.1u R107 VBACKUP VCHG PCHGAC LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
  • Page 72 CN301 ? Check t he connection Replace FPCB Of FPCB ? Replace vibrator Vibrator Wor king well ! Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...

  • Page 73: Fm Radio Trouble

    C335 C334 C337 C336 V_ABB C338 0.1u U306 TC7SH04FS C341 0.1u C342 0.1u CLK32K TP 1 C343 R331 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
  • Page 74 The CL K Buf fer is Go to the speaker/ Replace t he U304 problem. EAR_MIC Trouble Replace t heU306 shooting Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...

  • Page 75: Camera Trouble

    1V8_CAM VBAT TP 2 U305 BH18PB1WHFV FB308 VOUT BGND 1V8_CAM_EN STBY C339 R330 C340 2.2u TP 4 0.1u LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
  • Page 76 Camera Prev iew Check? Change th e Camera. DBB have some problem . Change th e DBB. Camera Working well Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...

  • Page 77: Download

    5. DOWNLOAD 5.1 Download Setup UART (If you have battery, no TA is needed) Figure 5-1 describes Download setup LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...

  • Page 78: Download Procedure

    1. Copy "GSMULTI" Folder. Paste in " C:\" 2. Execute "GSMULTI.reg file" Registered at PC 3. "MultiGSM.exe" execution file Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
  • Page 79 5.2. 2 Click the “Setting” button. Then, choose Configuration which is going to download. 4. Munu "Setting" "Configuration" KP151Q KP151Q AT-00-V09f-724-06-JUN-23-2008+0.raw LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
  • Page 80 5. Configuration : select values like below C;\GSMULTI\MODEL\KP151Q\KP151Q.dll Phone software select( *.cab file) Download speed Start Comport END Comport Frame count select internal Boot Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
  • Page 81 5. DOWNLOAD 5.2.4 Computer Program file → → MultiGSM.EXE Click 6. Press the " START" button KP151Q KP151Q AT-00-V09f-724-06-JUN-23-2008+0.raw LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
  • Page 82 5.2.5 After “Start Button”, Which Stand-by condition 7. Stand-by condition "TI(EX) : Wait ASI" is displayed connect the Phone KP151Q KP151Q AT-00-V09f-724-06-JUN-23-2008+0.raw Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
  • Page 83 5. DOWNLOAD 5.2.6. SW downloading condition Downloading : Start KP151Q AT-00-V09f-724-06-JUN-23-2008+0.raw KP151Q LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
  • Page 84 5. DOWNLOAD 5.2.7 SW downloading END condition Downloading : END KP151Q KP151Q AT-00-V09f-724-06-JUN-23-2008+0.raw Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...

  • Page 85: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...

  • Page 86: Circuit Diagram

    RPWON VBAT VBAT TP108 RPWON URXD USB_DM TP109 UART_DSR UTXD USB_DP UART_DSR OJ100 OJ101 OJ102 OJ103 UART_RTS UART_CTS - 87 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 87 KB215 KB216 KB217 KB218 CLEAR DOWN R233 KBR(4) R234 KBC(0) R235 KBC(1) R236 KBC(2) R237 KBC(3) R238 KBC(4) - 88 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 88 0.1u BGND 1V8_CAM_EN STBY C339 U306 R330 C340 2.2u TC7SH04FS 0.1u C341 0.1u C342 0.1u CLK32K C343 R331 - 89 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 89 GND7 GSM1800_1900_TX GSM_RXP GND8 GSM850_900_TX C436 GSM_RXN MODE ANT_SW1 ANT_SW2 850/900 TX 1800/1900 TX 850/900 RX 1800/1900 RX - 90 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 90 MOTOR_P CAM_D(0) I2C_SDA CAM_D(1) PRSB6.8C PRSB6.8C OUT105 CAM_D(2) CAM_HS CAM_D(3) CAM_VS CAM_D(4) CAM_D(7) CAM_D(5) CAM_D(6) AXK720147G (0.4pitch, 1.5t) - 91 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 91 - 92 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 92: Bga Ic Pin Check

    8. BGA IC Pin Check 8. BGA IC Pin Check DBB (U102 : D6591BUZPH) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
  • Page 93 8. BGA IC Pin Check ABB (U101 : T3031FZPH) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
  • Page 94 8. BGA IC Pin Check Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
  • Page 95 8. BGA IC Pin Check Memory (U201 : S71VS064KB0) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...

  • Page 96: Pcb Layout

    9. PCB LAYOUT KP151Q-MAIN-1.0-TOP - 97 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 97 No Service No Display U400 PAM GSM TX Power No Service FL400 FEM GSM Rx Sensitivity No Service KP151Q-MAIN-1.0-BOTTOM - 98 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 98 9. PCB LAYOUT CN102 : Camera Connector No Camera CN100 : FPCB Connector No DIsplay, No Camera KP151Q-FPCB-1.0-TOP - 99 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 99 9. PCB LAYOUT CN101 LCD Connector No Display KP151Q-FPCB-1.0-BTM - 100 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 100: Calibration

    GSM 5 Level 32.5 dBm Mobile Base Station Station Tx Cal = In this case, to make MS transmit 32.5dBm Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...

  • Page 101: Calibration Program-Hot_Kimchi

    10.3.2 Required Equipments - Test PC with PCMCIA slot - GPIB card - E5515C(Agilent 8960 series) - Power supply LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...

  • Page 102: Calibration Setting

    10.4 Calibration Setting 4.200V 0.0000A 10.5 Calibration Steps 10.5.1 Turn on the Phone 10.5.2 Execute “HK_34.exe” Double click Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
  • Page 103 10. Calibration 10.5.3 Click “SETTING” Menu 10.5.4 Setup “Ezlooks” menu such as the following figure LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
  • Page 104 1. By-Pass: not control by GPIB 2. Normal : control by GPIB PWR : Power Supply CELL :Call-Test Equipment Setup UART Port Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...
  • Page 105 10. Calibration 10.5.7 Select “MODEL” 10.5.8 Click “START” for RF calibration 10.5.9 RF Calibration finishes LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
  • Page 106 2. Calibration program automatically changes either “normal mode” or “ptest mode”. 3. RF Calibration steps as follow: → AFC → AGC → APC 4. Phone Operation Mode Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
  • Page 107 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...

  • Page 108: Exploded View & Replacement Part List

    11. EXPLODED VIEW & REPLACEMENT PART LIST 11.1 EXPLODED VIEW 23 27 21 18 19 12 15 - 109 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 109 ASS’Y EXPLODED VIEW - 110 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 110: Replacement Parts

    COMPLEX, (empty), , , , , Color Without MPBJ00 PAD,MOTOR MPBJ0054301 COMPLEX, (empty), , , , , Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
  • Page 111 CUTTING, NS, , , , , Color Without MTAZ TAPE MTAZ0216601 CUTTING, NS, , , , , Color LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...
  • Page 112 INSULATOR MIDZ0189301 CUTTING, NS, , , , , Color Without MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...

  • Page 113: Main Component

    3 V,1 mAh,COIN ,3V, SMT type Backup Batt, BAT100 BATTERY,CELL,LITHIUM SBCL0002001 Coin(4.8mm, 1.4t) , Pb-Free ,; ,3 ,1mAh ,COIN LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
  • Page 114 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C132 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
  • Page 115 ECCH0000198 2.2 uF,6.3V ,M ,X5R ,TC ,1005 ,R/TP C202 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 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C317 CAP,CERAMIC,CHIP ECCH0000129 120 pF,50V,J,NP0,TC,1005,R/TP C318 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 - 117 - Only for training and service purposes...
  • Page 117 ECZH0000822 1.5 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP C404 CAP,CHIP,MAKER ECZH0000822 1.5 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
  • Page 118 1 nH,S ,1005 ,R/TP , L402 INDUCTOR,CHIP ELCH0001412 1.8 nH,S ,1005 ,R/TP ,PBFREE L403 INDUCTOR,CHIP ELCH0004714 18 nH,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 1 nH,S ,1005 ,R/TP , L402 INDUCTOR,CHIP ELCH0001412 1.8 nH,S ,1005 ,R/TP ,PBFREE L403 INDUCTOR,CHIP ELCH0004714 18 nH,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 15 Kohm,1/16W ,J ,1005 ,R/TP PCB ASSY,MAIN,PAD R119 SAFO0000501 0OHM_1005_DNI OPEN 10 Kohm,1/16W ,J ,1005 ,R/TP R121 RES,CHIP,MAKER ERHZ0000405 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 - Only for training and service purposes...
  • Page 121 10 Kohm,1/16W ,J ,1005 ,R/TP R230 RES,CHIP,MAKER ERHZ0000505 680 ohm,1/16W ,J ,1005 ,R/TP R231 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
  • Page 122 47 ohm,1/16W ,J ,1005 ,R/TP R326 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R327 RES,CHIP ERHY0003301 100 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 123 - Only for training and service purposes...
  • Page 123 35.5 dBm,56 %, A, dBc, dB,6x6x1.15 ,SMD ,Tri Band VA200 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 VA201 VARISTOR SEVY0001001 14 V, ,SMD ,50pF, 1005 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
  • Page 124 White ,1608 ,R/TP ,White LED LD204 DIODE,LED,CHIP EDLH0005901 White ,1608 ,R/TP ,White LED LD205 DIODE,LED,CHIP EDLH0005901 White ,1608 ,R/TP ,White LED Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 125 - Only for training and service purposes...
  • Page 125 FR-4 ,0.8 mm,BUILD-UP 6 , ,; , , , , , , , , , U301 EUSY0362601 SSON004 ,4 ,R/TP ,Hall IC ,; ,IC,CMOS LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...

  • Page 126: Accessory

    100-240V ,5060 Hz,5.6 V,.4 A,UL ,AC-DC Adaptor ,; ADAPTOR,AC-DC SSAD0028302 ,85Vac~264Vac ,5.6V +/-0.8V ,400mA ,5060 , ,WALL 2P ,I/O CONNECTOR , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
  • Page 127 Note...
  • Page 128 Note...

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