LG KF700Q Service Manual Download Page 81

Page: 81 / 206

LGE Internal Use Only

Only for training and service purposes

4. TROUBLE SHOOTING

- 82 -

4.7.3 Loud speaker path (voice speaker phone/VT)

Loud speaker path as below:

MSM6280 SPK_R, SPK_L

→

C508,C509

→

R507,R508

→

U504(SPEAKER AMP)

→

U501(Speaker/Receiver Selection Switch)

→

CN301(Main PCB to LCD FPCB connector)

→

CN102(LCD FPCB to Main PCB Connector)

→

TP100, TP101(SPK PAD)

→

Speaker

C508,C509 ?

CN301 33,34

U504/ U501

CN102 33,34

Z3X-BOX.COM

Summary of Contents for KF700Q

Page 1: ...Service Manual Model KF700Q Service Manual KF700Q Date June 2008 Issue 1 0 Internal Use Only Z 3 X B O X C O M ...

Page 2: ...uble 78 4 8 Camera trouble 91 4 9 Main LCD trouble 97 4 10 Bluetooth trouble 100 4 11 Touch Screen trouble 102 4 12 RF Component 104 4 13 SIGNAL PATH 105 4 14 Checking VCTCXO Block 107 4 15 Checking Front End Module Block 109 4 16 Checking UMTS Block 111 4 17 Checking GSM Block 124 5 DOWNLOAD 130 5 1 Introduction 130 5 2 Downloading Procedure 130 5 3 Troubleshooting Download Errors 144 5 4 Caution...

Page 4: ...cted to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect ...

Page 5: ... with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When r...

Page 6: ...lude AMR SIM Toolkit Class 1 2 3 A E Frequency Range GSM850 TX 824 849 MHz GSM850 RX 869 894 MHz EGSM900 TX 880 915 MHz EGSM900 RX 925 960 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz WCDMA850 TX 824 849 MHz WCDMA850 RX 869 894 MHz WCDMA2100 TX 1920 1980 MHz WCDMA2100 RX 2110 2170 MHz Application Standard WAP 2 0 JAVA 2 0 Item Part Name Co...

Page 7: ...sensitivity GSM850 105dBm EGSM900 105 dBm DCS1800 105 dBm PCS1900 105 dBm WCDMA850 106 7dBm WCDMA2100 106 7 dBm GSM850 33dBm Class4 GSM850 EGSM900 33 dBm Class4 EGSM900 DCS1800 30 dBm Class1 DCS PCS1900 30 dBm Class1 PCS GSM850 33dBm E2 GSM850 EGSM900 27 dBm E2 EGSM900 DCS1800 26 dBm E2 DCS PCS1900 26 dBm E2 PCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 Display TFT Main LCD...

Page 8: ... and service purposes 2 PERFORMANCE 9 Item Feature Comment Speech coding FR EFR HR AMR Vibrator Built in Vibrator Blue Tooth V1 2 A2DP Voice Recording Yes Speaker Phone mode Yes Support Travel Adapter Yes CDROM Yes Stereo Headset Yes Data Cable Yes T Flash Yes External Memory Z 3 X B O X C O M ...

Page 9: ...90 MHz 2 Phase Error Rms 5 Peak 20 3 Frequency Error GSM 0 1 ppm DCS PCS 0 1 ppm 4 EMC Radiated Spurious GSM DCS 28dBm Emission Disturbance 5 Transmitter Output power and GSM 5dBm 33dBm 3dB Burst Timing DCS PCS 0dBm 30dBm 3dB 6 Burst Timing 3 69us 7 Spectrum due to modulation out 200kHz 36dBm to less than 1800kHz offset 600kHz 51dBm 56dBm 8 Spectrum due to modulation out GSM to larger than 1800kHz...

Page 10: ...m due to switching 400kHz 19dBm 22dBm 5 0 23dBm transient 600kHz 21dBm 24dBm 5 0 26dBm 10 Reference Sensitivity TCH FS Class II RBER 105dBm 2 439 11 Usable receiver input level range 0 012 15 40dBm 12 Intermodulation rejection 800kHz 1600kHz 98dBm 96dBm 2 439 Speech channels 13 AM Suppression 98dBm 96dBm 2 439 GSM 31dBm DCS 29dBm 14 Timing Advance 0 5T Z 3 X B O X C O M ...

Page 11: ...upied Bandwidth 5 MHz at 3 84 Mcps 99 of power 7 Adjacent Channel Leakage 33 dB 5 MHz Power Ratio ACLR 43 dB 10 MHz 8 Spurious Emissions 36 dBm 1 kHz RW 9 kHz f 150 kHz f fc 12 5 MHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 41 dBm 300 kHz RW 1893 5 MHz f 1919 6 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm 100 kHz RW 935 MHz f 960 GHz 71...

Page 12: ...Hz 5 MHz 5 Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz 6 Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm 7 Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset 20 MHz 8 Spurious Emissions 57 dBm 100 ...

Page 13: ...Occupied Bandwidth 5 MHz at 3 84 Mcps 99 of power 7 Adjacent Channel Leakage 33 dB 5 MHz Power Ratio ACLR 43 dB 10 MHz 8 Spurious Emissions 36 dBm 1 kHz RW 9 kHz f 150 kHz f fc 12 5 MHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 41 dBm 300 kHz RW 1893 5 MHz f 1919 6 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm 100 kHz RW 935 MHz f 960 GHz...

Page 14: ... MHz 5 MHz 5 Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz 6 Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm 7 Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset 20 MHz 8 Spurious Emissions 57 dBm 10...

Page 15: ...ted signal to RF A generic high level functional block diagram of KF700QQ is shown in Fig 3 1 One antenna collects base station forward link signals and radiates handset reverse link signals The antenna connects with receive and transmit paths through a FEM Front End Module The UMTS receive paths each include an LNA an RF band pass filter and a downconverter that translate the signal directly from...

Page 16: ...gy 1 The on chip quadrature upconverter translates the GMSK modulated signal or 8 PSK modulated signal to a constant envelope phase signal at RF 2 The amplitude modulated AM component is applied to the ramping control pin of Polar power amplifier from a DAC within the MSM KF700Q power supply voltages are managed and regulated by the PM6658 Power Management IC This versatile device integrates all w...

Page 17: ... RTR6280 are connected directly to the transceiver front end circuits filters and antenna switch module GSM850 EGSM900 DCS1800 and PCS1900 receiver inputs use differential configurations to improve common mode rejection and second order non linearity performance The balance between the complementary signals is critical and must be maintained from the RF filter outputs all the way into the IC pins ...

Page 18: ...ation and common mode rejection performance The RTR6280 input stages include MSM controlled gain adjustments that maximize receiver dynamic range The amplifier outputs drive the RF ports of the quadrature RF to baseband downconverters The downconverted baseband outputs are multiplexed and routed to lowpass filters one I and one Q having passband and stopband characteristics suitable for GMSK or 8 ...

Page 19: ...racteristics based on passband symmetry about the band center frequency The suggested circuit is shown in Fig 3 3 The RTR6280 IC is able to support GSM850 EGSM900 and DCS1800 PCS1900 mode transmitting This design guideline shows a Quad band GSM application Both high band and low band outputs are followed by resistive pads to ensure that the load Presented to the outputs remains close to 50ohm The ...

Page 20: ... begins with differential baseband signals I and Q from the MSM device These analog input signals are amplified filtered and applied to the quadrature upconverter mixers The upconverter output is amplified by multiple variable gain stages that provide transmit AGC control The AGC output is filtered and applied to the driver amplifier this output stage includes an integrated matching inductor that ...

Page 21: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 22 Fig 3 4 RTR6280 IC functional block diagram Z 3 X B O X C O M ...

Page 22: ...tional fractional N synthesizers including VCOs and loop filters are integrated within the RTR6280 IC The first synthesizer PLL1 creates the transceiver LOs that support the UMTS 2100 transmitter and all four GSM band receivers and transmitters including GSM900 DCS1800 and PCS1900 The second synthesizer PLL2 provides the LO for the UMTS 2100 receiver An external TCXO input signal is required to pr...

Page 23: ... IN 2 OUT OUT 1 TER TER L124 L124 1 5nH 1 5nH DNI DNI C197 C197 1p 1p C195 C195 3 9nH 3 9nH L127 L127 1nH 1nH L131 L131 C1001 C1001 DNI DNI C188 C188 5 6p 5 6p 2200p 2200p C1002 C1002 C177 C177 56p 56p C199 C199 2 7nH 2 7nH L120 L120 DNI DNI C180 C180 1 2p 1 2p DNI DNI C181 C181 FL104 FL104 B7683 B7683 ANT ANT GND1 GND1 GND2 GND2 GND3 GND3 GND4 GND4 GND5 GND5 RX1 RX1 RX2 RX2 TX TX 6 22 22 VCC1_PCS...

Page 24: ...p external charger supplies and USB supplies as input power sources Supports lithium ion main batteries Trickle constant current constant voltage and pulsed charging of the main battery Supports coin cell backup battery including charging Battery voltage detectors with programmable thresholds VDD collapse protection Charger current regulation and real time monitoring for over current protection Ch...

Page 25: ...e cost Analog multiplexer selects from 8 internal and up to 18 external inputs Multiplexer output s offset and gain are adjusted increasing the effective ADC resolution Adjusted multiplexer output is buffered and routed to an ESM device ADC Dual oscillators 32 768 kHz off chip crystal and on chip RC assures ESM device sleep clock Crystal oscillator detector and automated switch over upon lost osci...

Page 26: ... power off sequences Supports and orchestrates soft resets USB OTG transceiver for full speed 12 Mb s and low speed 1 5 Mb s interfacing of the ESM device to computers as a USB peripheral or connecting the ESM device to other peripherals RUIM level translators enable ESM device interfacing with external modules Twelve multi purpose pins that can be configured as digital or analog I Os bidirectiona...

Page 27: ... 28 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 6 PM6650 Block Diagram Z 3 X B O X C O M ...

Page 28: ...e common power supply pins to distribute current The GaAs die the silicon die and the passive components are mounted on a multi layer laminate substrate and the entire assembly is encapsulated with plastic overmold Fig 3 7 GSM PAM Schematic C152 C152 4 7u 4 7u 39p 39p C164 C164 C157 C157 1 5nH 1 5nH 6 8nH 6 8nH L113 L113 1000p 1000p C154 C154 C156 C156 15p 15p 15p 15p C159 C159 2 2K 2 2K R113 R113...

Page 29: ... band isolation value is about 46 7 dB Tx band isolation the transmit channel power also leaks into the receiver In this case the leakage is outside the receiver passband but at a relatively high level It combines with Rx band jammers to create cross modulation products that fall in band to desensitize the receiver The required Tx band isolation depends on the PA channel power and Tx band losses b...

Page 30: ...own to include other wireless transmitters that may deliver significant power levels to the receiver input Parameter Frequency Our Prellminary spec Unit D N T2140F3A Min Typ Max Passband 2110 2170 MHz Insertion Ioss 2110 2170MHz 1 5 2 0 dB Ripple in passband 2110 2170MHz 0 5 1 2 dB Amplitude imbalance 2110 2170MHz 1 5 1 11 1 5 dB 0 73 Phase imbalance 2110 2170MHz 10 0 1 92 10 0 deg 1 02 Attenuatio...

Page 31: ... are bluetooth RF module and Antenna Fig 3 8 shows the bluetooth system architecture in the KF700Q Fig 3 8 Bluetooth system architecture 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 LBRQ 2B43A SYNC_DET TX _EN SBST RX_BB TX _BB SBCK SBDT CLK _REF XTAL _IN VDD_MSM VDD_BAT VDD_I NT V CC_OUT GND BCM2004 16 BPF ANT GND Part LDO Part Supply Part Clo ck Part BlueQ Interface Part MSM6280 Bluetooth Baseband 7 BT_TX...

Page 32: ... the worldwide FM broadcast band 76 to 108 MHz An automatic gain control AGC circuit controls the gain of the LNA to optimize sensitivity and rejection of strong interferers Fig 3 9 FM Radio system architecture in the KF700Q C455 100p NC2 20 21 PGND RCLK 9 RFGND 3 ROUT 13 7 SCLK 8 SDIO VA 16 VD 11 10 VIO _RST 5 _SEN 6 U404 FMIP 2 GND1 4 12 GND2 15 GND3 19 GPIO1 GPIO2 18 17 GPIO3 LOUT 14 1 NC1 SI47...

Page 33: ...t 270 MHz for 7 2 Mbps HSDPA ARM Jazelle Java hardware acceleration for faster Java based games and other applets QDSP4000 high performance DSP cores Integrated Bluetooth 1 2 baseband processor for wireless connectivity to peripherals Qcamera with 15 fps QVGA viewfinder resolution and support for 4 MP camera sensors Direct interface to digital camera module with video front end VFE image processin...

Page 34: ...W NLAS5223BMNR2G SPK_RCV_SEL From MSM VPWR SPK_RCV To Speaker EAR_SENSE_N EAR_MIC_P From MSM From MMI Con MIC1P N From Main MIC of Key FPCB LCD ISP_SENS_I2C_SCL I2C_SDA SCL ISP_SENS_MCLK CLKP N DATAP N From MSM Analog S W FSUSB30UMX USB_D USB RINT _RADC From MMI CON VREG_CAM_2 8V VREG_CAM_1 8V VREG_CAM_1 8V VREG_CAM_2 8V VREG_3M_AF_2 8V EAR_SENSE_N VPWR From PMIC LIN MOTOR DRIVER LIN_PWM_MAG LIN_I...

Page 35: ...FDD standard including the following features All modes and data rates for W CDMA frequency division duplex FDD with the following restrictions The downlink supports the following specifications Up to four physical channels including the broadcast channel BCH if present Up to three dedicated physical channels DPCHs Spreading factor SF range support from 4 to 256 The following transmit diversity mo...

Page 36: ...hannel as defined in 3GPP specifications Supports all incremental redundancy versions for HARQ as defined in 3GPP specifications Can switch between HS PDSCH and DPCH channel resources as directed by the network Can be configured to support any of the two power classes 3 or 4 as defined in 3GPP R5 specifications 25 101 Supports network activation of compressed mode by SF 2 or HLS on the DPCH for co...

Page 37: ...rent and non transparent modes for CS data and fax No sub rates are supported 3 7 5 GPRS features Packet switched data GPRS DTM Simple Class A operation Multi slot class 12 data services CS schemes CS1 CS2 CS3 and CS4 GEA1 GEA2 and GEA3 ciphering Maximum of four Rx timeslots per frame 3 7 6 EDGE features EDGE E2 power class for 8 PSK DTM simple Class A multi slot class 12 Downlink coding schemes C...

Page 38: ...sor subsystem 16 kB instruction and 16 kB data cache Instruction set compatible with ARM7TDMI ARM version 5TEJ instructions Higher performance 5 stage pipeline Harvard cached architecture Higher internal CPU clock rate with on chip cache Java hardware acceleration Enhanced memory support Please note that NOR PSRAM will not be supported on MSM6280 75 MHz and 90 MHz bus clock for SDRAM 32 bit SDRAM ...

Page 39: ...hardware accelerators and compression engines Improve Java BREW and game performance Integrated Java and 2D 3D graphics accelerator with Sprite engine Enable various accessories via USB host connectivity Integrated USB host controller functionality Enable compelling visual and audio applications Qcamera High quality digital camera processing supporting CCD or CMOS image sensors up to 4 megapixel w...

Page 40: ...Codecs supported AMR NB AAC Recording performance 15 fps QVGA 384 kbps gpsOne Integrated gpsOne processing Standalone gpsOne mode in which the handset acts as a GPS receiver CMX MIDI and still image animation text LED vibrate support 72 simultaneous polyphonic tones 44 kHz sampling rate 512 kB wave table Support of universal file formats Standard MIDI Format SMF SP MIDI SMAF Audio playback MA 2 MA...

Page 41: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 42 Table 3 4 Summary of MSM6280 device features Z 3 X B O X C O M ...

Page 42: ...ion the QDSP4000 has modules to support the following audio functions DTMF tone generation DTMF tone detection Tx Rx volume controls Tx Rx automatic gain control AGC Rx Automatic Volume Control AVC EarSeal Echo Canceller ESEC Acoustic Echo Canceller AEC Noise Suppression NS and programmable 13 tap Type I FIR Tx Rx compensation filters The MSM6280 device s integrated ARM9TDMI processor downloads th...

Page 43: ...are releases 3 7 17 UART The MSM6280 device employs three UARTs UART1 has dedicated pins while UART2 and UART3 share multiplexed pins UART1 for data UART2 can be used for SIM interface UART3 for data 3 7 18 USB The MSM6280 device integrates a universal serial bus USB controller that supports both unidirectional and bidirectional transceiver interfaces The USB controller acts as a USB peripheral co...

Page 44: ... acceptable operational limits and coordinates battery and coin cell recharging while maintaining the handset electronics supply voltages Eight programmable output voltages are generated using low dropout voltage regulators all derived from a common trimmed voltage reference A dedicated controller manages the TCXO warm up and signal buffering and key parameters undervoltage lockout and crystal osc...

Page 45: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 46 Fig 3 11 PM6658 Functional Block Diagram Z 3 X B O X C O M ...

Page 46: ...uitry to ascertain whether a valid external supply is applied or not For additional accuracy or to capture variations over time this voltage is routed internally to the housekeeping ADC via the analog multiplexer PM6658 circuits monitor voltages at VCHARGER and ICHARGE pins to determine which supply should be used and when to switch between the two supplies These pins are connected to the Source o...

Page 47: ... provided by the PM6658 IC The trickle charger is on chip programmable current source that supplies current from VDD to pin VBAT Trickle charging can be used for lithium ion and nickel based batteries with its performance specified below 3 2V The charging current is set to 80mA 3 TECHNICAL BRIEF 48 Parameter Min Typ Max Unit Trickle Current 60 80 100 mA Fig 3 13 PM6658 Trickle Charging Block Diagr...

Page 48: ... commonly detected 10 of the full charging current Charging Method CC CV Constant Current Constant Voltage Maximum Charging Voltage 4 2V Maximum Charging Current 600mA Nominal Battery Capacity 1000mAh Charger Voltage 5 1V Charging time Max 3h Except time trickle charging Full charge indication current icon stop current 100mA Low battery POP UP Idle 3 37V Dedicated GSM WCDMA 3 37V Low battery alarm...

Page 49: ...st PSRAM Synchronous DRAM memories supported Byte addressable memory supporting 8 bit 16 bit and 32 bit accesses Pseudo SRAM PSRAM memory support EBI2 Features Support for asynchronous FLASH and SRAM 16bit 8bit Interface support for byte addressable 16bit devices UB_N LB_N signals 2Mbytes of memory per chip select Support for 8 bit 16bit wide NAND flash Support for parallel LCD interfaces port map...

Page 50: ...E Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 51 Fig 3 14 Simplified Block Diagram of Memory Interface Z 3 X B O X C O M ...

Page 51: ...MDDIC_STBP B22 AC25 I_IP_CH0 W25 I_IP_CH1 I_OUT B13 I_OUT_N A13 AE13 LCD_EN_GPIO37 D5 GRFC9_GPIO12 GRFX6_GPIO9 T19 AB25 I_IM_CH0 V25 I_IM_CH1 GP_PDM1_PA_RAN_GE0 H17 D17 GP_PDM2_PA_RAN_GE1 B8 GRFC0_GPIO3 A8 GRFC1_AUX_SBDT_GPIO4 D9 GRFC2_GPIO5 GRFC3_GPIO6 F10 GRFC4_AUX_SBCK_GPIO7 H10 D11 GRFC5_AUX_SBST_GPIO8 GRFC7_GPIO10 T23 B4 GRFC8_GPIO11 A6 GPIO28 H9 GPIO43 F8 GPIO66 F12 DAC_REF N21 AUX_PCM_DIN_G...

Page 52: ...m SIM Interface SIM interface scheme is shown in Fig 3 16 And there control signals are followed SIM_CLK SIM Clock SIM_Reset SIM Reset SIM_Data SIM Data T Rx UART Interface UART signals are connected to MSM GPIO through IO connector with 115200 bps speed LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 53 Fig 3 16 S...

Page 53: ...ansceiver USB_VBUS USB_Power From Host PC USB_D USB Data to Host USB_D USB Data to Host Route with Thick Line VPWR Rev C TP402 TP401 TP403 C401 2 2u R403 1K 5V_PWR SDB1040 D401 USB_VBUS 56K R407 36K R404 VREG_S2 L8 L6 VREG_S3 F1 VSW_5V VSW_MSMC K5 VSW_S2 K7 K6 VSW_S3 G1 VREG_5V K4 VREG_MSMC F2 USB_OVP_G USB_VBUS H1 VBAT E1 VCHG C1 VCOIN J10 D1 ISNS_M D2 ISNS_P U402 E2 BAT_FET_N CHG_CTL_N C2 0 1u C...

Page 54: ...ters such as battery voltage temperature and RF power levels The MSM6280 device has six analog input pins which are multiplexed to the input of the internal HKADC Fig 3 18 MSM6280HKADC Block diagram Table 3 8 HKADC channel table Channel Signal Note HKADC0 AMUX_OUT RF PAM Temperature Check HKADC1 VBATT_SENSE Battery voltage level HKADC2 EAR_MIC_P Ear jack Detection HKADC3 RNT_ADC Headset remote key...

Page 55: ...CAMERA Double LOCK KEY 4 6 7 0 OK 9 HOT4 HOT3 3 5 1 2 3 4 5 CLR CN501 PRSB6 8C D502 C502 0 1u CN502 1 2 3 D503 PRSB6 8C D509 PRSB6 8C PRSB6 8C D508 510 HOT501 EVL14S02200 D507 D506 EVL14S02200 HOT502 PRSB6 8C D510 D501 PRSB6 8C 507 506 501 PRSB6 8C D513 VREG_MSMP_2 7V 7 100K 2 4 6 8 1 3 5 RA501 SND 504 PRSB6 8C D515 509 D514 PRSB6 8C 503 502 D512 PRSB6 8C D511 PRSB6 8C END 505 508 PRSB6 8C D504 D5...

Page 56: ...al sync signal reset signal and 8bits data from camera module The camera module is controlled by I2C port from MSM6280 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 57 LC Filter for power noise from GSM RF C114 0 1u FB100 BLM15AG100PN1 VREG_CAM_2 8V FB101 PRSB6 8C D101 VREG_CAM_1 8V 2 2u C121 18 19 2 20 3 4 5 6 7...

Page 57: ...ATA O Serial Data 7 RESET I System Reset 8 NC NO Connected 9 SCL I 12C for Clock 10 SDA I O 12C for Data 11 VCM P Actuator 2 8V 12 DGND GND Digital Ground 13 VIO P IO Power 1 8V 14 AGND GND Analog Ground 15 VANA P Analog Power 2 8V 16 AGND GND Analog Ground 17 VDIG P Core Power 1 8V 18 DGND GND Digital Ground 19 EXTCLK I System Clock 20 DGND GND Digital Ground I Input O Output I O In Out P Power G...

Page 58: ... 0 O Data 6 CAM_DATA 1 O Data 7 CAM_DATA 2 O Data 8 CAM_DATA 3 O Data 9 CAM_DATA 4 O Data 10 CAM_DATA 5 O Data 11 CAM_DATA 6 O Data 12 CAM_DATA 7 O Data 13 CAM_VSYNC O Vertical Synch 14 CAM_HSYNC O Horizontal Sync 15 GND GND GND 16 12C_SCD I 12C Clock 17 12C_SCL I 12C Clock 18 CAM_RESET_N I Camera reset signal 19 VREG_MSMP_2 8V I Camera I O Power 20 VREG_CAM_2 8V I Camera I O Power Table 3 11 Inte...

Page 59: ...divided into Red Green and Blue sub pixels and dots which are arranged in vertical stripes Features Display mode Main LCD Normally Black Normally Black Transmissive VA mode 262K colors LCD Driver IC HX8352 HIMAX Driving Method a Si TFT Active Matrix 16 18 Bit CPU I F Parallel LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 21 ...

Page 60: ...2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 INOUT_B3 7 INOUT_B4 6 FL302 ICVE10184E150R500FR G1 5 G2 10 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 ICVE10184E150R500FR FL303 G1 5 ICVE10184E150R500FR FL301 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9...

Page 61: ...eiver or speaker The receive path can be directed to either one of two earphone amplifiers or the auxiliary output The outputs earphone1 EAR1OP EAR1ON and auxiliary out LINE_OP LINE_ON are differential outputs Earphone2 HPH_L HPH_R is a single ended output stage designed to drive a headset speaker The microphone interface consists of two differential microphone inputs one differential auxiliary in...

Page 62: ...lor Correction Hue Gain Control Auto Exposure Control Engine Color Temperature Detection CTD Auto White Balance Control with CTD Controllable Edge Enhancement False Color Suppression Various Image Effects Image Size Windowing Linear Image Scaling JPEG encoding Mirror Image Image Histogram Out Flickerless Compensation Anti zipper Noise Filter Add Solarize function to image Effect 3 11 3 System inte...

Page 63: ...t Hyper Clock Mode 3 11 5 Power Management 1 8V 3 0V Wide range I O VDDIO1 2 2 65V 3 0V Supply Voltage Internal core 1 2V 3 11 6 Operation Frequency Range Up to 80MHz for internal Up to 160MHz for output 3 11 7 Package 6mm x 6mm 64 ball BGA 1 02mm 3 11 8 System Configuration MV9319 is comprised of sensor interface serial interface and image signal processor ISP Fig 3 24 shows system interface diag...

Page 64: ... D3 VDDCO_E D4 VDDIO_2_8V E5 C5 E4 RXD E7 SCLK_S_SDO9 H8 SCL_M_SS_M A2 A3 SCL_S B2 SDA_M_MISO_M SDA_S B3 F2 SDO0 SDO1 H3 G3 SDO2 SDO3 F3 H4 SDO4 SDO5 G4 SDO6 F4 F5 SDO7 SEL1 G8 H7 D2 H5 GPIO24_SCLK_M GPIO25_SS_M F6 G6 GPIO26_MISO_M G5 GPIO27_MOSI_M GPIO28_SCL_M C1 C2 GPIO29_SDA_M HSYNCO E2 MCLK E8 C3 NRESET NSRESET G1 PCLKO E1 RCLK A6 B6 RCLKB A5 RDATA RDATAB B5 RGVDD_1_8V D6 AVDD D5 AVDDP B4 DGND...

Page 65: ...01 USB_VBUS 56K R407 36K R404 VREG_S2 L8 L6 VREG_S3 F1 VSW_5V VSW_MSMC K5 VSW_S2 K7 K6 VSW_S3 G1 VREG_5V K4 VREG_MSMC F2 USB_OVP_G USB_VBUS H1 VBAT E1 VCHG C1 VCOIN J10 D1 ISNS_M D2 ISNS_P U402 E2 BAT_FET_N CHG_CTL_N C2 0 1u C402 47K R401 Q401 D1 D2 D3 D4 G S SI1072X USB_DET VBATT VBACK_UP VREG_MSMC VREG_S2 VREG_S3 VSW_MSMC VSW_S2 VSW_S3 BATT_FET_N ICHARGEOUT H2 USB_ID USB_OE_N F4 USB_SE0 H4 USB_D...

Page 66: ...always turn the clock off when bus is idle Flow control option to prevent overflow and underflow MCLK output up to 25 MHz 3 11 12 Power Domain 67 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes MMC_CLK_SDCC_CLK_GPIO31 M16 MMC_CMD_GPIO30 H14 L14 MMC_DATA_SDCC_DAT0_GPIO32 MICROSD_CLK MICROSD_DATA 0 MICROSD_CMD SDCC_D...

Page 67: ...for training and service purposes TOUCH SCREEN DRIVER IC EVLC14S02050 VA103 C103 0 1u A3 X C3 X B3 Y D3 Y C102 1u B2 A0 A1 C2 A1 AUX GND D2 PENIRQ B1 D1 SCL C1 SDA VDD_REF A2 C104 TSC2007IYZGR U100 0 1u VREG_LDO_TOUCH_2 8V VA105 EVLC14S02050 EVLC14S02050 VA106 VA104 EVLC14S02050 X Y X Y TOUCH_PENIRQ_N TOUCH_I2C_SCL TOUCH_I2C_SDA G6 UART2_CTS_N_GPIO90 UART2_DP_TX_DATA_GPIO88 E4 UART2_RFR_N_GPIO91 F...

Page 68: ...oses 4 1 Power on trouble Power on sequence of KF700Q is PWR key press PM_ON_SW_N go to low R402 PM6658 2M KPDPWR_N pin 24 PM6658 2M Power Up VREG_MSMC_1 25V C231 VREG_MSME_1 8V R206 VREG_MSMP_2 7V R207 VREG_MSMA_2 6V C230 VREG_TCXO_2 85V C162 power up PON_RESET_N assert to MSM Phone booting PS_HOLD D402 assert High to PMIC PM6658 2M Z 3 X B O X C O M ...

Page 69: ... Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 70 RESET_IN_N R202 TCXO 19 2MHz SLEEP CRYSTAL 32 768KHz VREG_MSMA_2 6V C417 VREG_MSME_1 8V C416 PM_ON_SW_N R402 VREG_TCXO_2 85V C409 VREG_MSMC_1 25V C440 Z 3 X B O X C O M ...

Page 70: ...reserved Only for training and service purposes 4 TROUBLE SHOOTING 71 4 2 USB trouble USB Initial sequence of KF700Q is USB connected to KF700Q USB_VBUS VA404 go to 5V USB_D C446 go to 3 3V USB_DATA is triggered ßú USB work VA404 USB_VBUS C446 USB_D Z 3 X B O X C O M ...

Page 71: ...ining and service purposes 4 3 SIM detect trouble USB Initial sequence of KF700Q is VREG_USIM_2 85V C416 of PM6658 go to 2 85V USIM clock reset and data triggered USIM IF work Schematic and place are refer to SIM technical brief 4 TROUBLE SHOOTING 72 C101 C100 R101 C410 Z 3 X B O X C O M ...

Page 72: ...y for training and service purposes 4 TROUBLE SHOOTING 73 4 4 Key sense trouble KEYPAD Key Sense sequence of KF700Q is Default condition ROW 0 3 is 2 7V Press the key Corresponding ROW x and COL x go to 0V Scan pulse Col Row MSM sense what key pressed DOME SHEET Z 3 X B O X C O M ...

Page 73: ...6 7 0 9 HOT4 HOT3 3 5 CLR C502 0 1u D509 PRSB6 8C PRSB6 8C D508 510 HOT501 EVL14S02200 D507 D506 EVL14S02200 HOT502 PRSB6 8C D510 D501 PRSB6 8C 507 506 501 PRSB6 8C D513 VREG_MSMP_2 7V 7 100K 2 4 6 8 1 3 5 RA501 SND 504 509 503 502 D512 PRSB6 8C D511 PRSB6 8C END 505 508 KEY_COL 2 KEY_COL 1 KEY_ROW 1 KEY_ROW 2 KEY_ROW 3 KEY_COL 0 KEY_COL 3 PM_ON_SW_N KEY_ROW 0 RA500 VA511 VA513 VA512 VA514 VA510 Z...

Page 74: ...service purposes 4 TROUBLE SHOOTING 75 CAMERA Double LOCK KEY 1 2 3 4 5 CN501 PRSB6 8C D502 D503 PRSB6 8C PRSB6 8C D504 D505 PRSB6 8C KEY_ROW 3 KEY_ROW 1 KEY_ROW 2 KEY_COL 4 OK CN502 1 2 3 PRSB6 8C D515 D514 PRSB6 8C KEY_ROW 0 KEY_COL 4 Fig 4 2 Schematic of key sense part SUB FPCB Z 3 X B O X C O M ...

Page 75: ... LED On Key Pad LED controlled by PM6658 76 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 3 Schematic of keypad backlight part LD501 LEWWS47PAZ EVL14S02200 D516 LEWWS47PAZ LD502 VPWR KYPD_LED_EN Z 3 X B O X C O M ...

Page 76: ...cro SD insertion MICROSD_DETECT R100 goes to low VREG_MMC_3 0V is over 2 85V go working 77 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes R R106 R100 Z 3 X B O X C O M ...

Page 77: ...Receiver Selection Switch CN301 Main PCB to LCD FPCB connector CN102 LCD FPCB to Main PCB Connector TP100 TP101 Receiver PAD Receiver LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 78 C C N301 C N102 Z 3 X B O X C O M ...

Page 78: ...ernal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 79 Speaker Receiver Speaker Receiver pads CN10 2 CN30 1 MSM628 0 Z 3 X B O X C O M ...

Page 79: ... Inc All right reserved Only for training and service purposes 4 7 2 Voice path for headset Voice path for Head_Set as below MSM6280 HPH_R HPH_L C403 C405 R414 R415 FL402 EMI Filter FB402 FB403 4 5 pin of CN401 headset Jack C403 C405 FB402 FB403 FL402 CN401 Z 3 X B O X C O M ...

Page 80: ...N401 CN401 2 R414 R415 C403 C405 DNI R405 8 OUT1 OUT2 5 PGND 9 FL402 NUF2114MN IN1 1 4 IN2 NC1 2 NC2 3 6 NC3 NC4 7 FB403 1800 5 19 2 21 3 4 CN401 1 FB401 FL401 NUF2116MN 1 IN1 4 IN2 NC1 2 NC2 3 6 NC3 NC4 7 8 OUT1 OUT2 5 9 PGND R415 51 FB402 1800 L401 270nH 2200 R411 100K R418 10u C403 0 R412 51 R414 10u C405 VREG_MSMP_2 7V HSET_BIAS MICBIAS HPH_R HPH_L FM_ANT EAR_MIC_P Z 3 X B O X C O M ...

Page 81: ...2 4 7 3 Loud speaker path voice speaker phone VT Loud speaker path as below MSM6280 SPK_R SPK_L C508 C509 R507 R508 U504 SPEAKER AMP U501 Speaker Receiver Selection Switch CN301 Main PCB to LCD FPCB connector CN102 LCD FPCB to Main PCB Connector TP100 TP101 SPK PAD Speaker C508 C509 CN301 33 34 U504 U501 CN102 33 34 Z 3 X B O X C O M ...

Page 82: ...CD FPCB VREG_CAM_2 8V VREG_LDO_TOUCH_2 8V D301 PRSB6 8C VREG_MSMP_2 7V G2 G3 G4 54 55 56 57 58 59 6 60 61 62 63 64 7 8 9 G1 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 CN301 1 PRSB6 8C D302 R306 51 R301 2 2K EVLC18S02015 VA305 VREG_CAM_1 8V R302 2 2K 20p TOUCH_PENIRQ_N C311 CAM_DATA 2 MLED2 MOTOR MOTOR ...

Page 83: ... Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 84 Speaker Receiver pads CN10 2 CN30 1 C50 9 C50 8 U50 4 U50 5 64 1 33 32 32 33 34 Z 3 X B O X C O M ...

Page 84: ...Main Microphone path as below MIC C515 C516 MSM internal CODEC LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 85 C513 C515 C516 Z 3 X B O X C O M ...

Page 85: ...C1P Place near MSM C217 1u 1u C216 47p C214 0 1u C213 0 1u C212 AF22 MIC2P MICBIAS T15 LINE_OP AC17 AC20 LINE_R_IN LINE_R_IP AC19 MIC1N AF20 MIC1P AE20 AF21 MIC2N LINE_L_IN AC21 LINE_L_IP AC22 AC18 LINE_ON HPH_L W17 AA17 HPH_R HPH_VREF AA19 EAR1ON AE18 EAR1OP AF18 CCOMP AA20 AF19 AUXIN AE19 AUXIP AUXOUT AA18 47p C211 1u C207 1u C205 C206 10u C204 10p C203 47p 47p R205 C202 12ohm R204 12ohm C201 0 ...

Page 86: ...TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes C515 C516 C513 Fig 4 6 Schematic of Microphone for main mic Z 3 X B O X C O M ...

Page 87: ... training and service purposes 4 TROUBLE SHOOTING 88 4 7 5 Microphone for headset MIC for Head_Set path as below Insert Headset EAR_SENSE_N pin8 go 0V MSM6280 sense Head_Set insertion EAR_MIC signal MSM6280 EAR_SENSE_N R420 is 0V MICBIAS is 1 8V YES FB401 L201 FL401 Z 3 X B O X C O M ...

Page 88: ...R411 100K R418 10u C403 0 R412 51 R414 10u C405 VREG_MSMP_2 7V HSET_BIAS MICBIAS HPH_R HPH_L FM_ANT EAR_MIC_P Place near MSM C217 1u 1u C216 47p C214 0 1u C213 0 1u C212 AF22 MIC2P MICBIAS T15 LINE_OP AC17 AC20 LINE_R_IN LINE_R_IP AC19 MIC1N AF20 MIC1P AE20 AF21 MIC2N LINE_L_IN AC21 LINE_L_IP AC22 AC18 LINE_ON HPH_L W17 AA17 HPH_R HPH_VREF AA19 EAR1ON AE18 EAR1OP AF18 CCOMP AA20 AF19 AUXIN AE19 AU...

Page 90: ...ng and service purposes 4 TROUBLE SHOOTING 91 4 8 Camera trouble Camera control signals are generated by ISP Image signal process Chip and directly connected with ISP KF700Q has two cameras The one is a 3 Mega Camera the other is VGA camera L LDO U507 PIMC U402 U101 SUB PCB Z 3 X B O X C O M ...

Page 91: ...CLK CN103 19PIN 3M CAM CONNECTOR T 0 9 SOCKET LC Filter for power noise from GSM RF C114 0 1u FB100 BLM15AG100PN1 VREG_CAM_2 8V FB101 PRSB6 8C D101 VREG_CAM_1 8V 2 2u C121 18 19 2 20 3 4 5 6 7 8 9 G1 G2 G3 G4 CN103 AXK7L20227G 1 10 11 12 13 14 15 16 17 FB104 C126 220p VREG_3M_AF_2 8V 47nH L101 0 1u C113 FB103 XSHUTDOWN ISP_SENS_I2C_SDA ISP_SENS_MCLK CLKN CLKP DATAN DATAP ISP_SENS_I2C_SCL ISP_SNES_...

Page 92: ...1 PCLKO E1 RCLK A6 B6 RCLKB A5 RDATA RDATAB B5 RGVDD_1_8V D6 AVDD D5 AVDDP B4 DGND1 C4 DGND2 D7 DGND3 DGND4 D8 DGND5 E3 DGND6 E6 GPIO10_SCLK_M A1 B1 GPIO11_MOSI_M GPIO20_PWM0 H1 G2 GPIO21_PWM1 H2 GPIO22_PWM2 GPIO23_PWM3 U101 MV9319 R112 10 C124 DNI TP102 C134 PRSB6 8C D100 1u C130 1u 4 3K R119 R117 10 15p C118 10K R113 1u C131 1u C133 10 R116 1u C127 1u C129 VREG_ISP_2 8V TP101 R115 10 R118 100ohm...

Page 94: ...ics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 95 SUB PCB TOP R111 CAM_MCLK R115 CAM_PCLK MAIN PCB_BOTTOM VA305 VGA_CAM_RESET_N VA305 VGA_CAM_RESET_N LCD FPCB FB1 VREG_CAM_2 8V FB2 VREG_CAM_2 8V Z 3 X B O X C O M ...

Page 95: ... 3 30 31 32 33 34 35 36 37 38 39 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 CN301 1 PRSB6 8C D302 R306 51 R301 2 2K EVLC18S02015 VA305 VREG_CAM_1 8V R302 2 2K 20p TOUCH_PENIRQ_N C311 CAM_DATA 2 MLED2 MOTOR MOTOR MLED1 MLED6 MLED5 MLED4 VGA_CAM_PWDN LCD_IF_MODE LCD_DATA 4 LCD_DATA 5 LCD_DATA 6 LCD_DATA 7 LCD_DATA 8 LCD_DATA 9 LCD_DATA 10 LCD_DATA 11 LCD_DATA 12 LCD_DATA 13 LCD_VSYNC_OUT EBI2_WE...

Page 96: ...erved Only for training and service purposes 4 TROUBLE SHOOTING 97 4 9 Main LCD trouble Main LCD control signals are generated by MSM6280 Those signal s path are MSM6280 64 pin connector CN301 in Main PCB 40 pin connector in LCD Module slider FPCB YE S Z 3 X B O X C O M ...

Page 97: ...OUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes R418 VREG_MSMP_2 7V FL301 FL304 LCD_DATA 0 15 VA304 LCD_RESET_N Z 3 X B O X C O M ...

Page 98: ...LCD_MAKER_ID TOUCH_I2C_SCL LCD_DATA 14 LCD_DATA 15 EVLC18S02015 VA302 PRSB6 8C VA304 VA301 EVLC18S02015 VA303 EVLC18S02015 EBI2_WE_N LCD_RESET_N LCD_CS_N EBI2_ADDR 11 EBI2_WE_N LCD_RESET_N LCD_CS_N EBI2_ADDR 11 INOUT_B4 ICVE10184E150R500FR FL304 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 ...

Page 99: ...PGND4 PGND4 20 20 RX_BB_TX_BB RX_BB_TX_BB 13 13 SBCK SBCK 11 11 12 12 SBDT SBDT SBST SBST 4 5 SYNC_DET_TX_EN SYNC_DET_TX_EN 3 VCC_OUT VCC_OUT 14 14 VDD_BAT VDD_BAT VDD_INT VDD_INT 2 VDD_MSM VDD_MSM 10 10 M101 M101 LBRQ 2B43A LBRQ 2B43A ANT ANT 16 16 9 CLK_REF CLK_REF 1 GND1 GND1 VREG_MSMP_2 7V VREG_MSMP_2 7V C193 C193 100p 100p C175 C175 DNI DNI NA NA L119 L119 1u 1u C182 C182 C192 C192 smd_1608h_...

Page 100: ... Set discover after push menu button of the tester and select the link analyzer 4 After set test mode confirm the connection state 5 Measure the power of full channel after hopping mode is selected to ON 6 You can select wanted test cases after getting an optimized power LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C ...

Page 101: ...en trouble Touch Initial sequence of KF700Q is VREG_LDO_TOUCH_2 8V C102 goes to 2 8V TOUCH_PENIRQ_N C104 TOUCH_I2C_SCL R302 TOUCH_I2C_SDA R301 go to high Touch operation of KF700Q is A finger is touching on the screen TOUCH_PENIRQ_N is low I2C is connected A finger is took off from the Screen TOUCH_PENIRQ_N is high I2C is not connected Z 3 X B O X C O M ...

Page 102: ... 60 61 62 63 64 7 8 9 G1 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 10 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 CN301 1 PRSB6 8C D302 R306 51 R301 2 2K EVLC18S02015 VA305 VREG_CAM_1 8V R302 2 2K 20p TOUCH_PENIRQ_N C311 CAM_DATA 2 MLED2 MOTOR MOTOR MLED1 MLED6 MLED5 MLED4 VGA_CAM_PWDN LCD_IF_MODE LCD_DATA 4 LCD_DATA 5 LCD_DATA 6 LCD_DATA 7 LCD_DA...

Page 103: ...ription Reference Description U102 GSM PAM X101 VCTCXO 19 2MHz FL101 Front End Module FL104 WCDMA850 Duplexer U105 Coupler U103 Coupler FL102 GSM band Switch FL107 WCDMA2100 Tx SAW FL106 WCDMA2100 Duplexer Q403 Switching Tr U101 RTR6280 Transceiver U104 WCDMA PAM SW101 RF Switch Conncetor U405 DCDC Convertor FL103 WCDMA2100 Rx SAW FL105 WCDMA850 Tx SAW Z 3 X B O X C O M ...

Page 104: ...5 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 13 SIGNAL PATH 4 13 1 UMTS PATH WCDMA2100 WCDMA850 Z 3 X B O X C O M ...

Page 106: ...NC2 NC2 NC3 NC3 7 8 NC4 NC4 3 OUTPUT OUTPUT 4 VCC VCC VCONT VCONT 1 DSA321SCE 19 2M DSA321SCE 19 2M C167 C167 VREG_TCXO_2 85V VREG_TCXO_2 85V 1000p 1000p TRK_LO_ADJ TRK_LO_ADJ TCXO_PM TCXO_PM TCXO_RTR TCXO_RTR 107 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 13 Schematic of the TCXO Block Fig 4 14 Test Po...

Page 107: ... 108 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 15 TCXO output waveform 19 2MHz Z 3 X B O X C O M ...

Page 108: ...11 11 GSM850_EGSM_TX GSM850_EGSM_TX GSM850_RX1 GSM850_RX1 12 12 GSM850_RX2 GSM850_RX2 13 13 PCN_PCS_TX PCN_PCS_TX 9 16 16 PCN_RX1 PCN_RX1 17 17 PCN_RX2 PCN_RX2 18 18 PCS_RX1 PCS_RX1 PCS_RX2 PCS_RX2 19 19 7 VDD VDD WCDMA_1900 WCDMA_1900 22 22 20 20 FL101 FL101 ANT ANT 2 3 CTRL1 CTRL1 4 CTRL2 CTRL2 CTRL3 CTRL3 5 CTRL4 CTRL4 6 14 14 EGSM_RX1 EGSM_RX1 EGSM_RX2 EGSM_RX2 D5015 D5015 33p 33p C129 C129 AN...

Page 109: ...ing and service purposes ANT_SEL0 ANT_SEL1 ANT_SEL2 ANT_SEL3 GSM850 EGSM900 TX HIGH HIGH LOW LOW DCS1800 PCS1900 TX HIGH LOW LOW LOW WCDMA850 LOW HIGH LOW HIGH WCDMA2100 LOW LOW HIGH HIGH GSM850 RX LOW HIGH HIGH LOW EGSM900 RX LOW LOW HIGH LOW DCS1800 RX LOW HIGH LOW LOW PCS1900 RX LOW LOW LOW LOW Table 4 1 Logic Table of the FEM Z 3 X B O X C O M ...

Page 110: ... O1 82 82 R117 R117 GND5 GND5 GND6 GND6 RX RX TX TX FL106 FL106 B7646 B7646 ANT ANT GND1 GND1 GND2 GND2 GND3 GND3 GND4 GND4 18nH 18nH L126 L126 12p 12p C185 C185 1000p 1000p C198 C198 FL103 FL103 SAFEB2G14FA0F00 SAFEB2G14FA0F00 G1 G1 2 G2 G2 5 IN IN 1 O1 O1 3 O2 O2 4 0 75p 0 75p L132 L132 1nH 1nH C173 C173 U103 U103 COU COU 3 IN IN 2 OUT OUT 1 TER TER 4 LDC15836M20Q 360 LDC15836M20Q 360 C187 C187 ...

Page 111: ... 112 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 19 Test Point of the WCDMA2100 Tx Block Z 3 X B O X C O M ...

Page 112: ... 113 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes For testing Max power of WCDMA 2100 is needed Z 3 X B O X C O M ...

Page 113: ...DJ UMTS RTR6280 Tx Amp Gain Control 3 VREG_RF_2 85V UMTS PAM enable about 2 85V 4 VREG_WCDMA_PA UMTS PAM Main Voltage 3V VPWR 4 2V 5 PA_ON 1 Turns the PA on and off 114 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 114: ...7 R117 GND5 GND5 GND6 GND6 RX RX TX TX FL106 FL106 B7646 B7646 ANT ANT GND1 GND1 GND2 GND2 GND3 GND3 GND4 GND4 18nH 18nH L126 L126 12p 12p C185 C185 1000p 1000p C198 C198 FL103 FL103 SAFEB2G14FA0F00 SAFEB2G14FA0F00 G1 G1 2 G2 G2 5 IN IN 1 O1 O1 3 O2 O2 4 0 75p 0 75p L132 L132 1nH 1nH C173 C173 U103 U103 COU COU 3 IN IN 2 OUT OUT 1 TER TER 4 LDC15836M20Q 360 LDC15836M20Q 360 C187 C187 DNI DNI C196 ...

Page 115: ... 116 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 21 Test Point of the WCDMA850 Tx Block Z 3 X B O X C O M ...

Page 116: ... 117 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes For testing Max power of WCDMA850 is needed Z 3 X B O X C O M ...

Page 117: ...nd service purposes 4 16 4 Checking UMTS PAM Control Block PAM control signal 1 PWR_DET UMTS Tx Power Detected value Check R116 2 TX_AGC_ADJ UMTS RTR6280 Tx Amp Gain Control 3 VREG_RF_2 85V UMTS PAM enable about 2 85V 4 VREG_WCDMA_PA UMTS PAM Main Voltage 3V VPWR 4 2V 5 PA_ON 1 Turns the PA on and off Z 3 X B O X C O M ...

Page 118: ...0 21 21 WCDMA_850 WCDMA_850 C105 C105 56p 56p 15 15 GND1 GND1 1 GND2 GND2 8 GND3 GND3 10 10 GND4 GND4 23 23 24 24 GND5 GND5 11 11 GSM850_EGSM_TX GSM850_EGSM_TX GSM850_RX1 GSM850_RX1 12 12 GSM850_RX2 GSM850_RX2 13 13 PCN_PCS_TX PCN_PCS_TX 9 16 16 PCN_RX1 PCN_RX1 17 17 PCN_RX2 PCN_RX2 18 18 PCS_RX1 PCS_RX1 PCS_RX2 PCS_RX2 19 19 7 VDD VDD WCDMA_1900 WCDMA_1900 22 22 20 20 FL101 FL101 ANT ANT 2 3 CTRL...

Page 119: ...H L131 L131 C1001 C1001 DNI DNI C188 C188 5 6p 5 6p 2200p 2200p C1002 C1002 C177 56p C199 C199 2 7nH L120 DNI DNI C180 1 2p DNI C181 FL104 B7683 ANT GND1 GND2 GND3 GND4 GND5 RX1 RX2 TX 6 22 22 VCC1_PCS VCC1_PCS 9 VCC2_CELL1 VCC2_CELL1 VCC2_CELL2 VCC2_CELL2 10 10 VCC2_CELL3 VCC2_CELL3 11 11 VCC2_PCS1 VCC2_PCS1 21 21 VCC2_PCS2 VCC2_PCS2 20 20 19 19 VCC2_PCS3 VCC2_PCS3 VCC_BIAS VCC_BIAS 23 23 VMODE_C...

Page 121: ...21 WCDMA_850 WCDMA_850 C105 C105 56p 56p 15 15 GND1 GND1 1 GND2 GND2 8 GND3 GND3 10 10 GND4 GND4 23 23 24 24 GND5 GND5 11 11 GSM850_EGSM_TX GSM850_EGSM_TX GSM850_RX1 GSM850_RX1 12 12 GSM850_RX2 GSM850_RX2 13 13 PCN_PCS_TX PCN_PCS_TX 9 16 16 PCN_RX1 PCN_RX1 17 17 PCN_RX2 PCN_RX2 18 18 PCS_RX1 PCS_RX1 PCS_RX2 PCS_RX2 19 19 7 VDD VDD WCDMA_1900 WCDMA_1900 22 22 20 20 FL101 FL101 ANT ANT 2 3 CTRL1 CTR...

Page 122: ...DNI C181 C181 FL104 FL104 B7683 B7683 ANT ANT GND1 GND1 GND2 GND2 GND3 GND3 GND4 GND4 GND5 GND5 RX1 RX1 RX2 RX2 TX TX DNI DNI C171 C171 4 7nH 4 7nH L115 L115 82 82 R117 R117 U103 U103 COU COU 3 IN IN 2 OUT OUT 1 TER TER 4 LDC15836M20Q 360 LDC15836M20Q 360 NA NA L122 L122 R116 R116 82 82 82 82 R118 R118 L121 L121 1 5p 1 5p RX_WCDMA_850_P RX_WCDMA_850_P WCDMA_850 WCDMA_850 PDET_IN PDET_IN PWR_DET PW...

Page 123: ...HOOTING 4 17 Checking GSM Block 4 17 1 Checking Front End Module Refer to chapter 4 15 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 124: ...GSM_TX GSM850_EGSM_TX GSM850_RX1 GSM850_RX1 12 12 GSM850_RX2 GSM850_RX2 13 13 PCN_PCS_TX PCN_PCS_TX 9 16 16 PCN_RX1 PCN_RX1 17 17 PCN_RX2 PCN_RX2 18 18 PCS_RX1 PCS_RX1 PCS_RX2 PCS_RX2 19 19 7 VDD VDD WCDMA_1900 WCDMA_1900 22 22 20 20 FL101 FL101 ANT ANT 2 3 CTRL1 CTRL1 4 CTRL2 CTRL2 CTRL3 CTRL3 5 CTRL4 CTRL4 6 14 14 EGSM_RX1 EGSM_RX1 EGSM_RX2 EGSM_RX2 D5015 D5015 C160 C160 39p 39p 3 VBATT VBATT 4 ...

Page 126: ...2AA 533 LMSM32AA 533 FL102 FL102 C160 C160 39p 39p 3 VBATT VBATT 4 VRAMP VRAMP 5 BAND_SELECT BAND_SELECT 2 DCS_PCS_IN DCS_PCS_IN 1 11 11 DCS_PCS_OUT DCS_PCS_OUT GND1 GND1 7 GND2 GND2 12 12 8 GSM_IN GSM_IN 9 GSM_OUT GSM_OUT 6 NC1 NC1 NC2 NC2 10 10 TX_EN TX_EN TQM7M5012 TQM7M5012 U102 U102 C153 C153 15p 15p VPWR VPWR GSM_PA_EN GSM_PA_EN GSM_PA_BAND GSM_PA_BAND GSM_SAW_SW_MODE GSM_SAW_SW_MODE TX_DCS_...

Page 127: ... GND5 11 11 GSM850_EGSM_TX GSM850_EGSM_TX GSM850_RX1 GSM850_RX1 12 12 GSM850_RX2 GSM850_RX2 13 13 PCN_PCS_TX PCN_PCS_TX 9 16 16 PCN_RX1 PCN_RX1 17 17 PCN_RX2 PCN_RX2 18 18 PCS_RX1 PCS_RX1 PCS_RX2 PCS_RX2 19 19 7 VDD VDD WCDMA_1900 WCDMA_1900 22 22 20 20 FL101 FL101 ANT ANT 2 3 CTRL1 CTRL1 4 CTRL2 CTRL2 CTRL3 CTRL3 5 CTRL4 CTRL4 6 14 14 EGSM_RX1 EGSM_RX1 EGSM_RX2 EGSM_RX2 D5015 D5015 2 2p 2 2p C107...

Page 129: ...itionally LGMDP allows multi downloading up to 9 handsets at the same time 5 2 Downloading Procedure Connect the phone to your desktop PC using the USB cable and run the LGMDP application Before getting started set up LGMDP preferences from the Preferences of the file menu the way you want Click on the File menu and select Preferences Play a success sound It will be played a wav file when the down...

Page 130: ...ce purposes 5 2 1 Connecting to PC Click on the Select Port and then Select Port window will be pop up Check if state shows Enable for the port to be connected for downloading images Then click on the Connect button The port number COM16 shall be different from that of the port number in the snapshot Z 3 X B O X C O M ...

Page 131: ...or training and service purposes 5 DOWNLOAD 132 The status Ready is displayed when the application is ready for downloading While the images are transmitted from PC to the handset a progressive bar Red box indicating the degree of transmission of data is displayed Z 3 X B O X C O M ...

Page 132: ...efault image path select Browse button The edit box shows the file path where images are located Please note that all images should be located in a selected folder 2 Click on the Browse button to select image files to be downloaded on the handset 3 NV Backup Restore NV Backup Restore always have to be done and it is default selected option Backup the NV data and restore the backed up NV data autom...

Page 133: ...ts media and module are erased Only calibration data is kept when NV backup restore is checked The user contents and file system physically are wiped out Keep All Contents Maintain user data including WAP AD DRM E mail Play lists and images when downloading a new S W images User data stated above are maintained if this option is selected 5 Additional Options Display Information is defaultly not se...

Page 134: ... purposes 5 DOWNLOAD 135 5 2 2 Choosing image files Select the image folder where all the image files are located by clicking on the Browse The folder name shall be different from that of the folder name in the snapshot The folder name indicates the path where the image files are located Z 3 X B O X C O M ...

Page 135: ...s accordingly Also you can select images by manually For instance select the path of AMSS Modem Image file by clicking on the Browse button The selected AMSS image will be downloaded to the handset from the path directory in the PC Make sure that you have chosen correct file In case of wrong AMSS Modem file is selected the phone may not work The file name shall be different from that of the file n...

Page 136: ...g and service purposes If NV restore is failed then the NV Data nv2 is erased permanently In this case choose the desired NV file to be downloaded on the handset To enable this simply check the box or select the NV file from the LGMDP installation directory by clicking on the Browse button Z 3 X B O X C O M ...

Page 137: ...e purposes Click on the START button to start downloading A summary of the selected images and option information window will be displayed Click on the No button if this is not the setting you are downloading for Otherwise click on the Yes button to continue downloading selected image file with options Z 3 X B O X C O M ...

Page 138: ...ck to original download mode click on the Original button DZ is one image S W binary consisinting of variety S W images such as partition mbn pbl mbn module bin The new download function has been provided to allow the testing of the intergrity of the DZ image by checking a hash code of every included file DZ does not allowing extracting or creating zip archive with other public opened archive tool...

Page 139: ... message box informs that a new file for NV backup will be created in the displayed file name in the LGMDP installation directory Backing up NV data and backed up NV data will be stored in the LGMDP installation directory Erasing the existing directories and files before the Module image is downloaded Downloading the AMSS modem image Z 3 X B O X C O M ...

Page 140: ...ting the handset and re establishing the connection Restoring NV data which backed up in the Backing up process User can also restore NV data using NV Default image selection Rebooting the handset and re establishing the connection Erasing the existing directories and files before downloading the selected Media image Z 3 X B O X C O M ...

Page 141: ...lectronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 142 Downloading Media image in progress Downloading Module image in progress Rebooting handset Downloading process has completed successfully Z 3 X B O X C O M ...

Page 142: ...nd service purposes 5 DOWNLOAD 143 5 2 4 Tools Device Manager allows to monitor current hardware that is installed on your PC Device Manager is designed to monitor USB connectivity and check where the COM has been installed Select Device Manager from the Tools of the file menu Z 3 X B O X C O M ...

Page 143: ... download all the images up to AMSS In the emergency mode you can not download media or module image The phone supports a special mode called emergency mode In this mode minimum units for downloading is running so that users can download the images again in case of emergency situation AMSS modem Media and Module images can not be running in this mode The below dialog shows parameters of Select Por...

Page 144: ...er clicking on the Browse button Make sure that you have chosen the right image file After choosing valid images then click on the Start button to start downloading selected images The selected image will be downloaded to the handset from the path directory in the PC After downloading images successfully it will boot to normal mode Z 3 X B O X C O M ...

Page 145: ... Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 3 2 NV Restore Error Snapshot showing the NV Restore error Next slide shows the remedial procedure to adopt Z 3 X B O X C O M ...

Page 146: ...ectronics Inc All right reserved Only for training and service purposes Connect the handset and Press the Connect button in the Select Port window Enable state in the window indicates that the Phone has been detected and is ready to download Z 3 X B O X C O M ...

Page 147: ...Browse Select the LGMDP installation directory and a list of NV Backup files nv2 will be shown These nv files were saved every time NV Backup option was selected and the name of the nv file is determined based on the time when NV Backup was done Choose the desired NV file to be downloaded on the handset and click on Start Z 3 X B O X C O M ...

Page 148: ...t recommendable 2 If you see the message cal mode after completing download you must do NV restore and image media and module download 3 The NV data saved at LGMDP folder as following format 4 Recommended that the Module and Media Image have to be downloaded at the same time 5 Erase EFS option will erase everything media module nv items and user data in the EFS area Z 3 X B O X C O M ...

Page 149: ...E Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 6 1 GSM UMTS RF Block Fig 6 1 UMTS 850 UMTS 2100 GSM850 EGSM 900 DCS 1800 PCS 1900 RF Functional Block Diagram Z 3 X B O X C O M ...

Page 150: ...ibration etc X101 DSA321SCE 19 2M VCTCXO 19 2MHz Common U101 RTR6280 RF Transceiver IC TRX Bluetooth M101 LBRQ 2B43A BT RF Transceiver BT TRX FL104 B7683 Duplexer TRX FL106 B7646 Duplexer TRX FL103 SAFEB2G14FA0F00 RX SAW Filter RX FL105 EFCH836MTDB1 TX SAW Filter TX FL107 SAFEB1G95KA0F00 TX SAW Filter TX UMTS U104 RF5184 TX PAM TX U101 TQM7M5012 TX Dual PAM TX GSM FL102 LMSM32AA 533 Tx SAW Filter ...

Page 151: ...2 6 BLOCK DIAGRAM LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 6 2 Interface Diagram Fig 6 2 KF700Q Interface Diagram Z 3 X B O X C O M ...

Page 152: ...GSM 850 TX RF Signal GSM 900 TX GSM 900 TX RF Signal DCS TX DCS TX RF Signal PCS TX PCS TX RF Signal U850 TX UMTS850 TX RF Signal U2100 TX UMTS2100 TX RF Signal GSM850 RX GSM 850 RX RF Signal GSM 900 RX GSM 900 RX RF Signal DCS RX DCS RX RF Signal PCS RX PCS RX RF Signal U850 RX UMTS850 RX RF Signal U2100 RX UMTS2100 RX RF Signal TX_I Q I Q for Tx of RF RX_I Q I Q for Rx of RF Z 3 X B O X C O M ...

Page 153: ...S850 Power Amp Enable PA_ON1 UMTS2100 Power Amp Enable GSM PA_CTL signal GSM_PA_BAND DCS or PCS GSM Mode Selection GSM_PA_EN Power Amp Gain Control Enable GSM_PA_RAMP Power Amp Gain Control RF Tranceiv er_CTL sign al TX_ON RF Enable Signal SSBDT_RTR Bidirec tional SSBI Data FEM_CTL signal ANT_SEL 0 1 23 Ant Switch Module Mod e Selection UMTS850 UMTS210 GSM850TX RX GSM900Tx Rx DCS Tx Rx PCS Tx Rx Z...

Page 154: ...DNI DNI C171 C171 7 XTAL_IN XTAL_IN 2 7nH 2 7nH GND2 GND2 6 8 GND3 GND3 GND4 GND4 15 15 17 17 PGND1 PGND1 PGND2 PGND2 18 18 19 19 PGND3 PGND3 PGND4 PGND4 20 20 RX_BB_TX_BB RX_BB_TX_BB 13 13 SBCK SBCK 11 11 12 12 SBDT SBDT SBST SBST 4 5 SYNC_DET_TX_EN SYNC_DET_TX_EN 3 VCC_OUT VCC_OUT 14 14 VDD_BAT VDD_BAT VDD_INT VDD_INT 2 VDD_MSM VDD_MSM 10 10 M101 M101 LBRQ 2B43A LBRQ 2B43A ANT ANT 16 16 9 CLK_RE...

Page 155: ... B13 I_OUT_N A13 R21 KEYSENSE0_N_GPIO62 KEYSENSE1_N_GPIO63 P19 KEYSENSE2_N_GPIO46 D14 KEYSENSE3_N_GPIO47 R23 U21 KEYSENSE4_N_GPIO48 LB1_N_SDRAM1_DQM0 L2 LB2_N_A2_0 AE10 LCD_CS_N_GPIO38 AF14 AE13 LCD_EN_GPIO37 LINE_L_IN AC21 LINE_L_IP AC22 AC18 LINE_ON D5 GRFC9_GPIO12 GRFX6_GPIO9 T19 GSM_PA_DAC_REF AD26 HKAIN0 V21 AA23 HKAIN1 W21 HKAIN2 HKAIN3 V19 Y21 HKAIN4 HKAIN5 AB23 HPH_L W17 AA17 HPH_R HPH_VRE...

Page 156: ...U7 T9 DQ8 DQ9 T10 DQM0 U8 T8 DQM1 DQM2 V7 DQM3 U9 IO1 M11 L9 IO10 L11 IO11 K9 IO12 P3 DQ16 R3 DQ17 P4 DQ18 DQ19 R4 T5 DQ2 DQ20 P5 R5 DQ21 P6 DQ22 DQ23 R6 DQ24 P9 DQ25 P10 R10 DQ26 P11 DQ27 R11 DQ28 DQ29 P12 DQ3 V5 A8 D10 A9 C10 ALE M3 BA0 C4 BA1 D4 CKE D8 CLE M4 CLK C8 U4 DQ0 T4 DQ1 V10 DQ10 DQ11 T11 U11 DQ12 DQ13 V11 T12 DQ14 DQ15 U12 TYA000B800COGG A0 C3 A1 D3 A10 E4 A11 D9 C9 A12 A2 E3 A3 E2 A4...

Page 157: ...D8 GND9 G7 K1 HSET_BIAS D1 ISNS_M D2 ISNS_P KPD_PWR_N L4 A7 MPP1 H6 MPP10 D5 MPP11 H5 MPP12 MPP2 B7 PM6658 U402 AMUX_OUT K3 E2 BAT_FET_N CHG_CTL_N C2 DNC D11 GND1 E5 E6 GND2 C429 0 1u VREG_MOT_3 0V PSD05 LF D405 VREG_MMC_3 0V 2 6 HSD2 10 SEL VCC 9 _OE 8 INSTPAR U403 FSUSB30UMX 3 D 5 D 4 GND HSD1 1 HSD1 7 HSD2 2 2u VPWR 0 1u C402 C410 GND IN 1 7 OUT 5 SRC 8 VCC C434 10u U401 NUS3065MUTAG CNTRL 3 4 ...

Page 158: ...0p 4 7u C505 C523 HOT502 PRSB6 8C D510 100K R511 R503 100K TP503 C518 47p 220n C511 R508 10K C1 GND B2 C2 IN C3 IN A3 VDD VO B3 VO A1 B1 _SHUTDOWN VPWR VREG_MSMP_2 7V TPA6205A1ZQVR U505 BYPASS 47n C509 D501 PRSB6 8C C526 FB501 470n 507 506 10u C513 501 100K R502 PRSB6 8C C514 D513 VREG_MSMP_2 7V DNI 7 10K R507 100K 2 4 6 8 1 3 5 C506 10u RA501 SND 100K R504 R505 VREG_LDO_TOUCH_2 8V TP501 62K INB 3...

Page 159: ...SP_2 8V VREG_CAM_1 8V 100K R106 TP101 R115 10 R118 100ohm VA109 ICVS0514X350FR 10K R114 33p C109 2 2u C121 5 6p C120 18 19 2 20 3 4 5 6 7 8 9 G1 G2 G3 G4 CN103 AXK7L20227G 1 10 11 12 13 14 15 16 17 FB104 VA114 EVLC18S02015 VREG_MMC_3 0V C126 VREG_MSMP_2 7V 220p 1u C132 TP105 R120 4 3K RST VCC 1 VPP 5 VREG_3M_AF_2 8V TP103 J100 3 CLK GND 4 6 I_O 2 0 1u C128 EVLC18S02015 VA113 R103 DNI 100K R102 C1 ...

Page 160: ...50 VA106 VA104 EVLC14S02050 MLED6 MLED5 MLED4 VREG_CAM_1 8V VREG_LDO_TOUCH_2 8V VREG_MSMP_2 7V LCD_DATA 13 LCD_VSYNC_OUT VGA_CAM_PWDN EBI2_WE_N CAM_DATA 6 CAM_DATA 7 CAM_MCLK CAM_DATA 5 CAM_DATA 3 CAM_PCLK CAM_DATA 0 CAM_DATA 1 CAM_DATA 2 MLED2 MOTOR MOTOR MLED1 LCD_DATA 0 LCD_DATA 1 LCD_CS_N EBI2_ADDR 11 LCD_DATA 2 LCD_DATA 3 LCD_IF_MODE LCD_DATA 4 LCD_DATA 5 LCD_DATA 6 LCD_DATA 7 LCD_DATA 8 LCD_...

Page 162: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA PIN MAP 163 8 BGA PIN MAP MCP TOP View USE NOT IN USE Z 3 X B O X C O M ...

Page 164: ... 165 8 BGA PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes MV9319 Bottom view USE NOT IN USE Z 3 X B O X C O M ...

Page 165: ... 166 8 BGA PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes RTR6280 Top View USE NOT IN USE Z 3 X B O X C O M ...

Page 166: ... 167 8 BGA PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes PM6658 3P PMIC USE NOT IN USE Z 3 X B O X C O M ...

Page 168: ... 169 9 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes U506 SLIDE DETECT check slide up down detect Fail Z 3 X B O X C O M ...

Page 169: ... operation No call Low Tx power FL101 FEM No call No service FL106 Duplexer No W2100 call No W2100 service U101 RF IC GSM WCDMA RX TX operation U301 Memory IC Check s w download M101 Blue tooth Module BT101 Blue tooth ANT X101 VCTCXO check the frequency 19 2MHz U404 FM Radio IC FM radio operation U505 Speaker Amp IC speaker operation No speak sound U201 Baseband and RF IC Check the battery voltage...

Page 170: ...ronics Inc All right reserved Only for training and service purposes S100 Micro SD Socket U101 ISP IC Camera operation Can t take a picture CN102 Main PCB to sub PCB connector Can t take a picture No SIM No micro SD detection Can t take a picture Z 3 X B O X C O M ...

Page 171: ...e Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LD100 CARMERA FLASH LED CN101 SUB PCB TO DIAL KEY FPCB Dial key operation J100 USIM SOCKET CN103 3M CARMERA CONNECTOR Z 3 X B O X C O M ...

Page 174: ...t 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 1 Usage of Hot Kimchi 10 1 1 RF calibration Procedure 1 Click SETTING in menu and logic operation in sub menu 2 Select the model name KF700Q which you want in list box 3 Click Start button to calibrate a phone Z 3 X B O X C O M ...

Page 175: ...nd power supply in DLL Operating Mode You can set UART Port and logic mode mode1 Calibration alone You can set Result File s name type You can run the multi mode S B1 S B2 You can use S B1 for only one port You can set the path of HOTKIMCHI program LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 176: ... area It displays logs of command and measurements of Calibration or Test The result files are saved in the directory C Jhangee debug Cal C Jhangee debug Auto or C Jhangee debug CalAuto LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 178: ...47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 14 13 12 15 16 19 18 17 51 50 49 48 47 46 45 44 43 42 41 37 36 35 34 33 40 39 38 52 53 54 54 56 11 EXPLODED VIEW REPLACEMENT PART LIST 11 1 EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 179: ... 180 A B C D E F G H I J K K J I H G F E D C B A ASS Y EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 180: ... MCCG0011803 COMPLEX empty Black 67 4 MCJN00 COVER REAR MCJN0085902 MOLD PC LUPOY SC 2302 Black 68 5 MICE00 INSERT NUT MICE0005901 CUTTING Bs Without Color 59 4 MGAD00 GASKET SHIELD FORM MGAD0170701 COMPLEX empty Without Color 56 4 MLCE00 LENS FLASH MLCE0009501 MOLD PC LUPOY SC 1004A Without Color 65 4 MPBT00 PAD CAMERA MPBT0057901 COMPLEX empty 0 3 Black 63 4 MPBU00 PAD CONNECTOR MPBU0027901 COMP...

Page 181: ...PA 66 LUMID HI 1102B Without Color 5 MDAP00 DECO SLIDE UPPER MDAP0001401 CASTING Al Alloy Black 2 5 MFBC00 FILTER SPEAKER MFBC0036401 COMPLEX empty Without Color 8 5 MPBJ00 PAD MOTOR MPBJ0050301 COMPLEX empty Without Color 6 5 MPBT00 PAD CAMERA MPBT0052301 COMPLEX empty Without Color 11 5 MPBU00 PAD CONNECTOR MPBU0016701 COMPLEX empty Without Color 19 5 MPBU01 PAD CONNECTOR MPBU0021501 CUTTING NS ...

Page 182: ...GMEY0012901 1 4 mm 2 5 mm MSWR3 B Silver 4 GMEY01 SCREW MACHINE BIND GMEY0015601 3 5 mm 1 5 mm MSWR3 FZW N HEX MSWR SILVER empty empty 41 4 GMZZ SCREW MACHINE GMZZ0026401 1 4 mm 1 7 mm MSWR3 FZW A RWH 1 4 1 7 NYLON WHITE empty empty White 4 MGAD00 GASKET SHIELD FORM MGAD0169701 COMPLEX empty Without Color 32 4 MGAD01 GASKET SHIELD FORM MGAD0171901 COMPLEX empty Without Color 30 4 MKAG00 KEYPAD MAI...

Page 183: ...PE MTAZ0213601 COMPLEX empty Without Color 48 5 ADCA00 DOME ASSY METAL ADCA0081601 Without Color 44 5 MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color 5 AFBA00 FRAME ASSY SHIELD AFBA0009901 Without Color 6 MFEA00 FRAME SHIELD MFEA0021601 MOLD PC LUPOY SC 1004A Without Color 53 6 MGAD00 GASKET SHIELD FORM MGAD0168801 COMPLEX empty Without Color 6 MTAZ00 TAPE MTAZ0212301 COMPLEX empty Withou...

Page 184: ...0003103 0 1 uF 10V K X7R HD 1005 R TP 7 CN100 CONNECTOR BOARD TO BOARD ENBY0045701 40 PIN 4 mm STRAIGHT 0 40MM STRAIGHT FEMALE SMD empty 7 CN103 CONNECTOR ETC ENZY0020701 4 PIN mm BOTTOM 7 U100 IC EUSY0337101 CSP 12 PIN R TP Touchscreen Controller IC IC A D Converter 7 VA103 VARISTOR SEVY0001001 14 V SMD 50pF 1005 7 VA104 VARISTOR SEVY0001001 14 V SMD 50pF 1005 7 VA105 VARISTOR SEVY0001001 14 V SM...

Page 185: ...Color 47 6 MLAB00 LABEL A S MLAB0001102 C2000 USASV DIA 4 0 White 46 6 MTAZ00 TAPE MTAZ0213601 COMPLEX empty Without Color 48 5 ADCA00 DOME ASSY METAL ADCA0081601 Without Color 44 5 SACY00 PCB ASSY FLEXIBLE SACY0078201 Black 6 SACE00 PCB ASSY FLEXIBLE SMT SACE0072701 Black 7 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0061601 Black 8 CAMERA SWITCH TACT ESCY0004201 12 V 0 02 A HORIZONTAL 0 2 G 7 SPKY PCB ...

Page 186: ...6 C115 CAP CHIP MAKER ECZH0000822 1 5 pF 50V C NP0 TC 1005 R TP 6 C116 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C117 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C118 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C119 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C120 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C121 CAP CERAM...

Page 187: ...000 pF 6 3V M X5R HD 2012 R TP 0 85t empty empty empty empty empty empty 6 C147 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C148 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C149 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C150 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C151 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C152 CAP T...

Page 188: ...05 R TP 6 C183 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C184 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C185 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C186 CAP CERAMIC CHIP ECCH0000147 2 2 nF 50V K X7R HD 1005 R TP 6 C188 CAP CERAMIC CHIP ECCH0000185 5 6 pF 50V C NP0 TC 1005 R TP 6 C189 CAP TANTAL CHIP ECTH0002202 4 7 uF 10V M STD 1608 R TP 6 C190 CA...

Page 189: ... 1005 R TP 6 C220 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C221 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C222 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C223 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C224 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C225 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C...

Page 190: ... TC 1005 R TP 6 C401 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C402 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C403 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C empty empty empty empty 6 C404 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C405 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C e...

Page 191: ... ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C432 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C434 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C empty empty empty empty 6 C435 CAP TANTAL CHIP ECTH0002002 33 uF 10V M L_ESR 2012 R TP empty empty 55TO 125C 2 2X1 1X1 1MM empty empty empty 6 C436 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C43...

Page 192: ...H0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C504 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C505 CAP CERAMIC CHIP ECCH0000147 2 2 nF 50V K X7R HD 1005 R TP 6 C506 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C empty empty empty empty 6 C507 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C508 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R ...

Page 193: ...4 DIODE TVS EDTY0008601 SOD 323 6 V 400 W R TP PB FREE 6 D405 DIODE TVS EDTY0008601 SOD 323 6 V 400 W R TP PB FREE 6 FB101 FILTER BEAD CHIP SFBH0008105 1800 ohm 1005 Chip bead 1800ohm empty R TP 6 FB401 FILTER BEAD CHIP SFBH0008105 1800 ohm 1005 Chip bead 1800ohm empty R TP 6 FB402 FILTER BEAD CHIP SFBH0008105 1800 ohm 1005 Chip bead 1800ohm empty R TP 6 FB403 FILTER BEAD CHIP SFBH0008105 1800 ohm...

Page 194: ...TOR CHIP ELCH0001402 18 nH J 1005 R TP Pb Free 6 L108 INDUCTOR CHIP ELCH0004710 15 nH J 1005 R TP 6 L109 INDUCTOR CHIP ELCH0004712 3 9 nH S 1005 R TP 6 L111 INDUCTOR CHIP ELCH0004709 3 3 nH S 1005 R TP 6 L113 INDUCTOR CHIP ELCH0004713 6 8 nH J 1005 R TP 6 L114 INDUCTOR CHIP ELCH0012508 2 nH S 1005 R TP Film chip tolerance0 1nH 6 L115 INDUCTOR CHIP ELCH0005013 4 7 nH S 1005 R TP 6 L116 INDUCTOR CHI...

Page 195: ...BJT ARRAY EQBA0000602 TESV 200 mW R TP EPITAXIAL PLANAR NPN PNP TRANSISTOR 6 Q102 TR BJT ARRAY EQBA0000602 TESV 200 mW R TP EPITAXIAL PLANAR NPN PNP TRANSISTOR 6 Q401 TR FET P CHANNEL EQFP0009401 SC75 6 19 W 20 V 12 A R TP P Channel FET P CHANNEL MOSFET 20 8 12 0 041 19 SC75 R TP 6P 6 Q402 TR FET P CHANNEL EQFP0009401 SC75 6 19 W 20 V 12 A R TP P Channel FET P CHANNEL MOSFET 20 8 12 0 041 19 SC75 ...

Page 196: ...ER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R207 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R208 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R209 RES CHIP MAKER ERHZ0000222 150 Kohm 1 16W F 1005 R TP 6 R210 RES CHIP MAKER ERHZ0000441 22 ohm 1 16W J 1005 R TP 6 R211 RES CHIP MAKER ERHZ0000441 22 ohm 1 16W J 1005 R TP 6 R213 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R214 RES CHIP M...

Page 197: ... 0OHM_1005_DNI 6 R414 RES CHIP ERHY0000105 51 ohm 1 16W F 1005 R TP 6 R415 RES CHIP ERHY0000105 51 ohm 1 16W F 1005 R TP 6 R416 RES CHIP MAKER ERHZ0004201 121000 ohm 1 16W F 1005 R TP 6 R417 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R418 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R419 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R420 RES CHIP MAKER ERHZ0000404 1 ...

Page 198: ... ENWY0003301 SMD 0 4 dB 6 U101 IC EUSY0344002 QFN 68 PIN R TP Quad GSM Tri WCDMA RF Transceiver IC Tx Rx 6 U102 PAM SMPY0017001 dBm A dBc dB AXI empty P TP 6 U103 COUPLER RF DIRECTIONAL SCDY0003901 19 8 dB 0 28 dB 33 dB 1 0 0 5 0 4 SMD Pb free_Coupler_DCN Tx empty 836 5MHz 25MHz SMD R TP 6 U104 PAM SMPY0013401 28 dBm 45 410 mA 41 dBc 28 5 dB 4 4 1 SMD HSDPA Dual PAM 6 U105 COUPLER RF DIRECTIONAL S...

Page 199: ...3801 18 V SMD 6 VA306 VARISTOR SEVY0003801 18 V SMD 6 VA307 VARISTOR SEVY0003801 18 V SMD 6 VA308 VARISTOR SEVY0003801 18 V SMD 6 VA309 VARISTOR SEVY0003801 18 V SMD 6 VA310 VARISTOR SEVY0003801 18 V SMD 6 VA311 VARISTOR SEVY0003801 18 V SMD 6 VA312 VARISTOR SEVY0003801 18 V SMD 6 VA401 VARISTOR SEVY0004001 18 V SMD 3pF 1005 6 VA402 VARISTOR SEVY0004001 18 V SMD 3pF 1005 6 VA403 VARISTOR SEVY00010...

Page 200: ... 2 7 82 V 150 mW R TP PB FREE 6 D515 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D516 VARISTOR SEVY0000701 14 V SMD 120pF 1005 6 LD501 DIODE LED CHIP EDLH0013403 WHITE ETC R TP 3 8 1 2 0 6T empty 2 9 3 2V 20mA 1200 1400mcd 126mW empty empty 2P 6 LD502 DIODE LED CHIP EDLH0013403 WHITE ETC R TP 3 8 1 2 0 6T empty 2 9 3 2V 20mA 1200 1400mcd 126mW empty empty 2P 6 PCB PCB MAIN SPFY0178001...

Page 201: ...AIGHT AU 0 9 STACKING HEIGHT 6 D101 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D130 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D131 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D132 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D133 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 FB100 FILTER BEAD CHIP SFBH0007102 10 ohm 1005 Ferrite Bead...

Page 202: ...MIC CHIP ECCH0000185 5 6 pF 50V C NP0 TC 1005 R TP 6 C127 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C128 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C129 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C130 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C131 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C132 CAP CERAMIC CHIP E...

Page 203: ...KER ERHZ0000402 10 ohm 1 16W J 1005 R TP 6 R118 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 6 R119 RES CHIP ERHY0000253 4 3K ohm 1 16W J 1005 R TP 6 R120 RES CHIP ERHY0000253 4 3K ohm 1 16W J 1005 R TP 6 R121 PCB ASSY MAIN PAD OPEN SAFO0000501 0OHM_1005_DNI 6 S100 CONN SOCKET ENSY0015801 8 PIN ETC 1 1 mm H 1 9 Detect Pin 6 U101 IC EUSY0321201 BGA 64 PIN R TP 6 6 ISP 6 VA108 VARISTOR SEVY0004201...

Page 204: ...mber Spec Color Remark 3 SBPL00 BATTERY PACK LI ION SBPL0091706 3 7 V 1000 mAh 1 CELL PRISMATIC 553446 Mexico PRISMATIC BLACK Black BATTERY PACK LI ION SBPL0093806 3 7 V 1000 mAh 1 CELL PRISMATIC 553446 Mexico PRISMATIC BLACK Black 3 SGDY00 DATA CABLE SGDY0010908 empty empty empty 18pin 6 2mm NYX Box Package BLACK N 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0005569 3 SSAD0 ADAPTOR AC DC SSAD0024604 100 ...

Page 205: ...Note Z 3 X B O X C O M ...

Page 206: ...Note Z 3 X B O X C O M ...

Search results

Summary of Contents for KF700Q

Reviews:

LG KF700Q, Service Manual, Page: 81 / 206

Search results

Summary of Contents for KF700Q

Reviews: