LG HB620 Service Manual Download Page 93 | Manualshive

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LGE Internal Use Only

Copyright © 2008 LG Electronics. Inc. All right reserved.

Only for training and service purposes

4. TROUBLE SHOOTING

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Summary of Contents for HB620

Page 1: ...Service Manual Model HB620 T KB620 Service Manual HB620 T KB620 Date June 2008 Issue 1 0 Internal Use Only Z 3 X B O X C O M ...

Page 2: ...icro SD trouble 83 4 7 Audio trouble 84 4 8 Camera trouble 95 4 9 Main LCD trouble 99 4 10 Bluetooth trouble 102 4 11 RF Component 104 4 12 SIGNAL PATH 105 4 13 Checking VCTCXO Block 107 4 14 Checking Front End Module Block 109 4 15 Checking UMTS Block 112 4 16 Checking GSM Block 119 4 17 DVB H T trouble 126 5 DOWNLOAD 129 5 1 Introduction 129 5 2 Downloading Procedure 129 5 3 Troubleshooting Down...

Page 3: ... 4 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 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: ...er pack Talk Time Over 180 min WCDMA Tx 12 dBm Voice with 1000mAh Over 180 min GSM Tx Max Voice Standby Time Over 250 Hrs WCDMA DRX 1 28 with 1000mAh Over 320 Hrs GSM Paging period 5 Antenna Internal type LCD Main 320 x 240 pixel TFT sub 34 x 96 pixel TFT LCD Backlight White LED Back Light 2way main sub common Camera 2 0 Mega CMOS VGA CMOS Vibrator Yes LED Indicator No MIC Yes Receiver Yes Earphon...

Page 7: ... 2 2 Usable environment 2 2 1 Environment 2 2 2 Environment Accessory CLA 12 24V DC 2 PERFORMANCE 8 Item Specification Voltage 4 0 V Typ 3 38 V Min Shut Down 3 28 V Operation Temp 20 60 C Storage Temp 20 70 C Humidity 85 Max Reference Spec Min Typ Max Unit TA Power Available power 100 220 240 Vac Z 3 X B O X C O M ...

Page 8: ...m B M 12 75GHz 33dBm Idle Mode 100k 880MHz 60dBm 100k 880MHz 60dBm 880M 915MHz 62dBm 880M 915MHz 62dBm 915M 1GHz 60dBm 915M 1GHz 60dBm 1G A MHz 50dBm 1G A MHz 50dBm A M B MHz 56dBm A M B MHz 56dBm B M 12 5GHz 50dBm B M 12 5GHz 50dBm 2 Radiated MS allocated 30M 1GHz 36dBm 30M 1GHz 36dBm Spurious Channel 1G A MHz 30dBm Emission 1G 4GHz 30dBm A M B MHz 36dBm B M 4GHz 30dBm Idle Mode 30M 880MHz 57dBm ...

Page 9: ...rference Condition HT100 100Hz HT100 250Hz TU50 100Hz TU50 150Hz TU3 150Hz TU1 5 200Hz 6 Output RF Due to 0 100kHz 0 5dB 0 100kHz 0 5dB Spectrum modulation 200kHz 30dB 200kHz 30dB 250kHz 33dB 250kHz 33dB 400kHz 60dB 400kHz 60dB 600 1800kHz 66dB 600 1800kHz 60dB 1800 3000kHz 69dB 1800 6000kHz 65dB 3000 6000kHz 71dB 6000kHz 73dB 6000kHz 77dB Due to 400kHz 19dB 400kHz 22dB Switching 600kHz 21dB 600kH...

Page 10: ...900 DCS PCS 8 Transmitter Output Power Level Power Toler Level Power Toler 5 33 3 0 30 3 6 31 3 1 28 3 7 29 3 2 26 3 8 27 3 3 24 3 9 25 3 4 22 3 10 23 3 5 20 3 11 21 3 6 18 3 12 19 3 7 16 3 13 17 3 8 14 3 14 15 3 9 12 4 15 13 3 10 10 4 16 11 5 11 8 4 17 9 5 12 6 4 18 7 5 13 4 4 19 5 5 14 2 5 15 0 5 9 Burst timing Mask IN Mask IN Z 3 X B O X C O M ...

Page 11: ... 5 Out band Blocking 50dBm 3 84MHz 6 Out of synchronization handling of output power Qin Qout PCCH quality levels Toff DPCCH Ior 22 28dB Ton DPCCH Ior 24 18dB 7 Transmit OFF Power 56dBm 3 84MHz 8 Transmit ON OFF Time Mask 25us PRACH CPCH uplinlk compressed mode 9 Change of TFC 25us Power varies according to the data rate DTX DPCH off minimize interference between UE 10 Power setting in uplink comp...

Page 12: ... 50KHz 30MHz 10K BW 36dBm f 30MHz 1000MHz 100K BW 30dBm f 1 12 5GHz 1M BW 41dBm f 1893 5 1919 6MHz 300K 67dBm f 925 935MHz 100K BW 79dBm f 935 960MHz 100K BW 71dBm f 1805 1880MHz 100K BW 15 Transmit Intermodulation 31dBc 5MHz Interferer 40dBc 41dBc 10MHz Interferer 40dBc 16 Error Vector Magnitude EVM 17 5 20dBm 12 2K 1DPDCH 1DPCCH 17 Transmit OFF Power 15dB SF 4 768Kbps Multi code 15dB SF 4 768Kbp...

Page 13: ...FS C Ic 7dB Storage 30 85 Class II RBER TU high FH 3 Adjacent 200kHz C Ia1 12dB C Ia1 12dB Channel Rejection 400kHz C Ia2 44dB C Ia2 44dB 4 Intermodulation Rejection Wanted Signal 98dBm Wanted Signal 96dBm 1st interferer 44dBm 1st interferer 44dBm 2nd interferer 45dBm 2nd interferer 44dBm 5 Blocking Response TCH FS Wanted Signal 101dBm Wanted Signal 101dBm Wanted Signal 101dBm Unwanted Depend on U...

Page 14: ...E 20dBm output power Class3 44dBm 3 84MHz 15MHz UE 20dBm output power Class3 5 Out band Blocking 44dBm 3 84MHz f 2050 2095 and 2185 2230MHz UE 20dBm output power Class3 30dBm 3 84MHz f 2025 2050 and 2230 2255MHz UE 20dBm output power Class3 15dBm 3 84MHz f 1 2025 and 2255 12500MHz UE 20dBm output power Class3 6 Spurious Response 44dBm CW UE 20dBm output power Class3 7 Intermodulation Characteristi...

Page 15: ... mA Under 320 mA Under 430mA DRX 1 28 Tx 12dBm Tx 0dBm Under 6 5 mA Bluetooth Connected DRX 1 28 GSM Under 3 5 mA Under 310 mA Paging 5period Tx Max Under 6 5 mA Bluetooth Connected Paging 5period No Level Change CDMA GSM 2 BAR 7 5 91 2 dBm 92 2 dBm 3 BAR 5 4 104 2 dBm 97 2 dBm 4 BAR 4 2 108 2 dBm 100 2 dBm 5 BAR 2 1 110 2 dBm 103 2 dBm 6 BAR 1 0 112 2 dBm 105 2 dBm Indication Standby Bar 3 Over 3...

Page 16: ...Max 64 dBm0p 6 Idle Noise Receiving INR Nor Under 58 dBPA Max Under 58 dBPA 7 Sending Loudness Rating SLR 7 3dB 8 Receiving Loudness Rating RLR Nor 6 3 dB Max 13 3 dB 9 Side Tone Masking Rating STMR Min 25 dB 10 Echo Loss EL Min 40 dB 11 Idle Noise Sending INS Max 55 dBm0p 12 Idle Noise Receiving INR Nor Under 45 dBPA Max Under 40 dBPA 13 TDMA Noise Max Under 62 dBm GSM Power Level 5 DCS PCS Power...

Page 17: ...2 8 Charging Charging Method CC CV Constant Current and Constant Voltage Maximum Charging Voltage 4 2 V Maximum Charging Current 600 mA Normal Battery Capacity 1000 mAh Charging Time Max 3 hours except for trickle charging time Full charging indication current charging icon stop current 193mA Cut off voltage 3 20 V Z 3 X B O X C O M ...

Page 18: ... GMSK modulated or 8 PSK modulated signal to RF A generic high level functional block diagram of HB620T 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 tran...

Page 19: ...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 HB620T power supply voltages are managed and regulated by the PM6650 Power Management IC This versatile device integrates all w...

Page 20: ...and PCS1900 operation is time division duplexed so only the receiver or transmitter is active at any time and a frequency duplexer is not required The GSM900 DCS1800 and PCS1900 receiver inputs of RTR6275 are connected directly to the transceiver front end circuits filters and antenna switch module GSM900 DCS1800 and PCS1900 receiver inputs use differential configurations to improve common mode re...

Page 21: ... second order inter modulation and common mode rejection performance The RTR6275 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 characteristic...

Page 22: ... characteristics based on passband symmetry about the band center frequency The suggested circuit is shown in Fig 3 3 The RTR6275 IC is able to support EGSM900 and DCS1800 PCS1900 mode transmitting This design guideline shows a tri 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 low ...

Page 23: ... 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 24: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 25 Fig 3 4 RTR6275 IC functional block diagram Z 3 X B O X C O M ...

Page 25: ...tional fractional N synthesizers including VCOs and loop filters are integrated within the RTR6275 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 26: ...s warm up interval as well as other TCXO controller functions is enabled by the MSM TCXO_EN line The PM6650 IC VREG_TCXO regulated output voltage is used to power the VCTCXO and is enabled before most other regulated outputs Any GSM mode power control circuits within the MSM6280 IC require a reference voltage for proper operation and sufficient accuracy Connecting the PM6650 IC REF_OUT directly to...

Page 27: ...tachment and removal detection Supports unregulated closed loop 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 regu...

Page 28: ...ernal parts count size 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 MSM device ADC Dual oscillators 32 768 kHz off chip crystal and on chip RC assures MSM device sleep clock Crystal oscillator detector and automated switc...

Page 29: ...ring power on 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 MSM device to computers as a USB peripheral or connecting the MSM device to other peripherals RUIM level translators enable MSM device interfacing with external modules Twelve multi purpose pins that can be configured as digital or analog I Os...

Page 30: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 31 Fig 3 6 PM6650 Block Diagram Z 3 X B O X C O M ...

Page 31: ...aAs die one supports the GSM850 900 bands the other supports the DCS1800 and PCS1900 bands Both PA blocks share 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 2 2K R107 68 R108 C141 NA C137 NA R114 120 56p C1...

Page 32: ...Rx 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...

Page 33: ...wn 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 Attenuation...

Page 34: ...chitecture in the HB620T 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 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...

Page 35: ...nal from the GSM interference which is near the DVB H T signal band First DVB H T signal passes through the antenna and the GSM rejection filter And the tuner in DVB H T IC receives signal from the filter and passes the signal over to the demodulator which demodulates the receiving signal and passes it to the DSP DSP receives the signal from the demodulator and decodes the signal so that it can pl...

Page 36: ...s Filter and has pass band from 470MHz to 862MHz This filter is used protect DVB H T signal from GSM interference which is near by DVB H T band So the performance of the filter is decided by attenuation for GSM band Integrated Tuner in DVB H T IC SUB U104 Tuner is integrated in the IC The functions of each of the individual blocks in the diagram will be described in the following subsections Fig 3...

Page 37: ...e signal from the radio frequency between 88MHz and 1800MHz to the baseband and performs channel selection This is accomplished through the selection of the LO frequency Baseband The baseband is a combination BBVGA and a high reject filter The filter bandwidth is programmable from 2 to 4 MHz The gain is programmable in 0 13dB steps LO The PLL generates the LO I and Q signals needed for the down co...

Page 38: ...c range control through digital A digital filter with high rejection capability is added to cope with adjacent channels Combined with the interpolation function it allows the circuit to demodulate 8 7 or 5 MHz channels without changing the analog front end Host Interface offering SRAM like Interface The roles of DIB9080H in the DVB H T front end are below Tuner DiB9080H controls RF frequency RF Ga...

Page 39: ... 40 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 13 DiB9080H Functional Block Diagram Z 3 X B O X C O M ...

Page 40: ...hown in below figure Each control signals are explained in table LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 14 DVB H T Interface Table 3 4 DVB H T Interface Name Note OE Output Enable CS Chip Select WE Write Enable DATA 0 7 DATA signal ADDR 1 2 Address signal RDY Ready signal IRQ Interrupt signal Z 3 X B O X C O M ...

Page 41: ...dulation QPSK Code rate 1 2 Guard interval 1 8 DVB H TIM 89 6 dBm for MFER 5 BW 7 61 MHz Modulation 16QAM Code rate 1 2 Guard interval 1 4 DVB T 87 5 dBm 470 750MHz for MFER 5 84 5 dBm 750 862MHz for MFER 5 BW 7 61 MHz Modulation 16QAM Code rate 2 3 Guard interval 1 8 Maximum Input Level 10 dBm for MFER 5 Frequency offset 350 KHz offset recovery Table 3 5 DVB H T RF performance Stand by BT Off con...

Page 42: ...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 43: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 44 Fig 3 15 Simplified Block Diagram of Baseband Z 3 X B O X C O M ...

Page 44: ...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 modes ...

Page 45: ...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 46: ...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 47: ...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 ESM6270 75 MHz and 90 MHz bus clock for SDRAM 32 bit SDRAM ...

Page 48: ... 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 ...

Page 49: ...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 50: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 51 Table 3 6 Summary of MSM6280 device features Z 3 X B O X C O M ...

Page 51: ...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 the fi...

Page 52: ... general purpose chip selects parallel LCD interface and a UART interface The function of these pins is documented in the various software 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 U...

Page 53: ...n 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 os...

Page 54: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 55 Fig 3 16 PM6650 Functional Block Diagram Z 3 X B O X C O M ...

Page 55: ...re variations over time this voltage is routed internally to the housekeeping ADC via the analog multiplexer PM6650 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 or emitter and Drain or collector contacts of the pass transistor respectively LGE Internal Use Only Copy...

Page 56: ...d through SBI control and powered from VDD is provided by the PM6650 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 Parameter Min Typ Max Unit Trickle Current 60 80 100 mA Z 3 X B O X C O M ...

Page 57: ...age charging begins when the battery voltage reaches a target voltage 4 2V The end of constant voltage charging is 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 900mAh Charger Voltage 5 1V Charging time Max 3h Except time trickle charging Full charge ind...

Page 58: ...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 mapped of memory mapped 18 or 16 bit 2Gb NAND 16bit Large Block flash memory 1Gb SDRAM 32bit 1 CS Chip Select are us...

Page 59: ...E Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 60 Fig 3 17 Simplified Block Diagram of Memory Interface Z 3 X B O X C O M ...

Page 60: ...T A12 Q_OUT_N MDDIC_DATP MDDIC_STBN B23 MDDIC_STBP B22 AE13 LCD_EN_GPIO37 MDDIC_DATN A23 A22 AB25 I_IM_CH0 V25 I_IM_CH1 AC25 I_IP_CH0 I_IP_CH1 W25 I_OUT B13 I_OUT_N A13 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 D5 GRFC9_GPIO12 GRFX6_GPIO9 T19 ...

Page 61: ...PA_RAMP Power Amp Gain Control of APC_IC GSM_PA_EN Power Amp Gain Control Enable of APC_IC 3 10 2 MSM Sub System SIM Interface SIM interface scheme is shown in Fig 3 19 And there control signals are followed USIM_CLK USIM Clock USIM_Reset USIM Reset USIM_Data USIM Data T Rx UART Interface UART signals are connected to MSM GPIO through IO connector with 115200 bps speed 3 TECHNICAL BRIEF 62 Fig 3 1...

Page 62: ...right 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 63 Table 3 9 USB Signal Interface Name Note USB_DAT Data to from MSM USB_SE0 Data to from MSM USB_OE_N Out Put Enable of Transceiver USB_VBUS USB_Power From Host PC USB_D USB Data to Host USB_D USB Data to Host N23 USB_DAT_VP N26 N25 USB_OE_TP_N USB_SE0_VM MMC_DATA_SDCC_DAT0_GPIO32 M16 MMC_CLK...

Page 63: ...ers 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 21 MSM6280HKADC Block diagram Table 3 10 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 64: ... MENU KEY MATRIX VT CALL JAVA HOT505 HOT504 HOT503 504 VREG_MSMP_2 7V 51K R504 HOT510 503 506 505 509 508 502 51K R503 R505 51K R507 51K HOT502 sharp HOT501 star HOT509 501 507 R506 51K HOT507 HOT506 HOT508 510 KEY_ROW 1 KEY_COL 1 KEY_COL 2 KEY_ROW 0 KEY_COL 0 KEY_COL 3 KEY_COL 4 KEY_ROW 3 KEY_ROW 4 KEY_ROW 2 SIDE_VOLUME_UP_KEY SIDE_VOLUME_DOWN_KEY SIDE KEY SIDE_VOLUME_CAMERA 1 2 3 4 CN503 100ohm ...

Page 65: ...erved Only for training and service purposes 3 TECHNICAL BRIEF 66 VREG_CAM_DVDD_2 8V VREG_CAM_DVDD_1 5V VREG_CAM_AVDD_2 9V 6 7 8 9 13 14 15 16 17 18 19 2 20 21 22 23 24 3 4 5 CN104 G1 G2 G3 G4 1 10 11 12 EVLC14S02050 VA110 1u C952 1u C111 M_CAM_RESET_N CAM_SYSCLK CAM_DATA 4 F CAM_DATA 5 F CAM_DATA 6 F CAM_DATA 7 F MC_IO_OFF CAM_HSYNC CAM_VSYNC I2C_SDA I2C_SCL CAM_DATA 0 F CAM_DATA 1 F CAM_DATA 2 F...

Page 66: ... 8 D1 O Digital Video data 1 9 D0 O Digital Video data 0 10 PCLK O Clock for output data 11 RESETB I RESET Active Low 12 STDBYB I Stand BY Active Low 13 DGND G GND 14 DVDD CORE I 1 5V Core Digital Power 15 IOVDD I 1 8V or 2 8V I O Digital Power 16 AVDD I 2 8V Analog Power 17 DGND G Digital GND 18 MCLK I Master input clock 19 HSYNC O Horizontal Sync Signal 20 VSSYNC O Vertical Sync Signal 21 DGND G...

Page 67: ...mationa No Name Type Description 1 ENABLE I Active High 2 MCLK I Master Clock 3 GND I Ground 4 PCLK O Video Output Clock D 0 7 5 D0 O Imaga Data 0 6 D1 O Imaga Data 1 7 D2 O Imaga Data 2 8 D3 O Imaga Data 3 9 D4 O Imaga Data 4 10 D5 O Imaga Data 5 11 D6 O Imaga Data 6 12 D7 O Imaga Data 7 13 VSYNC I Vertical Synchronization 14 HSYNC I Horizontal Synchronization 15 GND I Ground 16 SDA I O Data for ...

Page 68: ...pixel is divided into Red Green and Blue subpixels and dots which are arranged in vertical stripes Features Display mode Main Normally Black Transmissive LCD VA mode 262K colors Sub Normally White Trasmissive LCD VA mode 65K colors LCD Driver IC Main R61513 RENESAS Sub NT39107 Novatek Driving Method a Si TFT Active Matrix 16 18 Bit CPU I F Parallel LGE Internal Use Only Copyright 2008 LG Electroni...

Page 69: ...igned to drive a headset speaker The microphone interface consists of two differential microphone inputs one differential auxiliary input and a two stage audio amplifier LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TCC_2 7V_EHI_LCD 4 40 5 6 7 8 9 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...

Page 70: ... BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Image Signal Processor Chip Fig 3 25 Audio Interface Detailed Diagram MSM6280 Z 3 X B O X C O M ...

Page 71: ...bps as a host In peripheral mode PM6650 3P supports charging from VBUS MSM6280 with PM6650 3P also supports analog car kit mode CEA 936 A LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes USB_VBUS USB_VBUS 17 USB_DAT 18 USB_D_P USB_SE0 19 20 USB_D_M 21 GP1_DRV_N MPP7 USB_ID 11 12 VREG_5V 13 USB_OE_N 14 VSW_5V 15 USB_CTL_N 16 R409 47K ...

Page 72: ... supports 4 bits of data and a command signal Supports 4 bit SD 1 bit SD and 1 bit MMC interface SW configurable edge latching falling or rising SW configurable data and command values change rising or falling edge Clock gating for power saving and a power saving option to always turn the clock off when bus is idle Flow control option to prevent overflow and underflow MCLK output up to 25 MHz Z 3 ...

Page 73: ... 74 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 11 3 Power Domain Z 3 X B O X C O M ...

Page 74: ...2V VREG_MSMP_2 7V VREG_MSME_1 8 VREG_TCXO_2 85V VREG_MSMA_2 6V power up Is clock ok X101 19 2M X401 32 768KHz Change the Main board Change or charging the Battery Follow the LED trouble shoot Check open Pattern of power button Check Dome Sheet Change the Main board Check the TXCO and SLEEP CRYSTAL NO YES YES YES YES YES NO NO NO NO Start Battery voltg higher than 3 2V Press PWR key Keypad LED on V...

Page 75: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 76 Z 3 X B O X C O M ...

Page 76: ...BUS VA704 go to 5V USB_D VA708 go to 3 3V USB_DATA is triggered USB work Start USB_VBUS is about to 5V USB_D is about to 3 3V Change the Main board Check VA704 and USB cable Check VA708 NO YES YES NO Cable is insert YES Cable insert NO Start USB_VBUS is about to 5V USB_D is about to 3 3V Change the Main board Check VA704 and USB cable Check VA708 NO YES YES NO Cable is insert YES Cable insert NO Z...

Page 77: ...ggered USIM IF work Schematic and place are refer to SIM technical brief 4 TROUBLE SHOOTING 78 Start Work well VREG_USIM_2 85V USIM_P_CLK is run Change the Main board End Check C427 C438 Yes No YES NO Re insert the SIM card Change SIM card Work well End Yes No Start Work well VREG_USIM_2 85V USIM_P_CLK is run Change the Main board End Check C427 C438 Yes No YES NO Re insert the SIM card Change SIM...

Page 78: ...12 VA710 VA714 R904R908 NO YES NO Change SIDE KEY Work well NO Work well YES YES NO Change the Main board MENU KEY MATRIX VT CALL JAVA HOT505 HOT504 HOT503 504 VREG_MSMP_2 7V 51K R504 HOT510 503 506 505 509 508 502 51K R503 R505 51K R507 51K HOT502 sharp HOT501 star HOT509 501 507 R506 51K HOT507 HOT506 HOT508 510 KEY_ROW 1 KEY_COL 1 KEY_COL 2 KEY_ROW 0 KEY_COL 0 KEY_COL 3 KEY_COL 4 KEY_ROW 3 KEY_...

Page 79: ...Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 80 Fig 4 1 Schematic of key sense part TOP Fig 4 2 Schematic of key sense part Bottom Z 3 X B O X C O M ...

Page 80: ... KYPD_LED_EN is Low VPWR is OK Check the VA501 Change the main board NO O Yes Yes NO Some LED is not work Work well Yes Change the Key FPCB NO End Start Check device short LD501 LD516 NO Yes Key press Signal KYPD_LED_EN is Low VPWR is OK Check the VA501 Change the main board NO O Yes Yes NO Some LED is not work Work well Yes Change the Key FPCB NO End 47 R516 R515 47 VPWR 47 R514 R511 47 LD503 SSC...

Page 81: ... 82 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 Z 3 X B O X C O M ...

Page 82: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes C428 Insert the Micro SD Card Start End Check VREG_MMC_3 0V is over 2 85V Work well NO YES YES NO Change the MAIN board Insert the Micro SD Card Start End Check VREG_MMC_3 0V is over 2 85V Work well NO YES YES NO Change the MAIN board Z 3 X B O X C O M ...

Page 83: ... 84 Start Connect the phone to network Equipment and setup call Setup 1KHz tone out Can you hear the tone YES END CheckCN502 Main CN101 LCD FPCB Connector or Change the LCD FPCB YES Change the Receiver Hear the tone to the receiver NO END Work Well NO NO Change the main Board Start Connect the phone to network Equipment and setup call Setup 1KHz tone out Can you hear the tone YES END CheckCN502 Ma...

Page 84: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 85 Z 3 X B O X C O M ...

Page 85: ...Setup 1KHz tone out And insert head_Set NO Can you hear the tone YES YES END Headset insertion detection in the Main LCD Display OK Check 8 pin of CN701 or change the Main bíd NO YES Check the CN701 or change the Main bíd Start The sine wave appear at C841 C842 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out And insert head_Set NO Can you hear the...

Page 86: ...ht reserved Only for training and service purposes FB503 3 4 5 6 7 8 9 1 10 11 19 2 21 CN701 VBATT 5V_PWR MICBIAS C842 C841 33u 33u FL701 68 R703 R704 68 R702 2 2K FB504 EAR_SENSE_N TV_OUT EAR_R EAR_L EAR_MIC_P RMT_ADC USB_D RMT_INT USB_D Fig 4 4 Schematic of voice path Z 3 X B O X C O M ...

Page 87: ...nector OUT1 OUT2 SPK PAD Speaker Start The sine wave appear at FB302 FB303 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out Set phone with speaker phone mode YES change the LCD FPCB NO YES YES END The sine wave appear at pads of speaker Change the speaker Start The sine wave appear at FB302 FB303 Change the Main board NO Connect the phone to networ...

Page 88: ...T B4 E2 MODE OUT3 A4 CSB_ADDR F2 1u 1u C317 C324 12n C321 R305 1K 4 7n C320 CODEC_I2C_SCL CODEC_I2C_SDA EAR_R EAR_L SPK_L SPK_R HEADSET_L OPT_L HEADSET_R OPT_R C334 0 01u FB303 FB302 VPWR 20 R313 20 R314 7 S2 6 9 VCC U304 FSA2268TUMX 8 1A 1B0 10 1B1 1 2A 5 2 2B0 3 2B1 4 GND S1 51K R315 SPK_R SPK_L SPK_RCV SPK_RCV RCV_EN RECEIVER RECEIVER VPWR TCC_2 7V_EHI_LCD 62 63 64 65 66 67 68 69 7 70 8 9 G1 G2...

Page 89: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 90 Z 3 X B O X C O M ...

Page 90: ...e purposes 4 TROUBLE SHOOTING 91 Can you scoping some sound signal at C330 C331 NO YES YES Start MIC_BIAS R702 is 1 8V Change the Main Bíd NO Make a call Work well END YES Change the Main Bíd Change the MIC Can you scoping some sound signal at C330 C331 NO YES YES Start MIC_BIAS R702 is 1 8V Change the Main Bíd NO Make a call Work well END YES Change the Main Bíd Change the MIC Z 3 X B O X C O M ...

Page 91: ... 47p G1 2 3 G2 4 G3 G4 6 1 OUT PWR 5 C330 SPM0204LE5 QB MIC301 0 1u C331 0 1u MICBIAS MIC1P MIC1N 10 C202 0 1u 0 1u C203 MIC1N AF20 MIC1P AE20 AF21 MIC2N AF22 MIC2P MICBIAS T15 LINE_L_IN AC21 AC22 LINE_L_IP AC20 LINE_R_IN LINE_R_IP AC19 HPH_VREF AA19 EAR1OP AF18 CCOMP AA20 AF19 AUXIN AE19 AUXIP AUXOUT AA18 C204 0 1u C201 10p RECEIVER MICBIAS MIC1P MIC1N EAR_MIC_P Z 3 X B O X C O M ...

Page 92: ...MSM6280 Start EAR_SENSE_N is 0V FB504 Make a call Change the Main bíd YES NO NO Try change the headset Can you scoping some sound signal at FB503 YES make some sound or voice to MIC Work well END Change the Ear MIC YES Change the Main bíd NO YES Start EAR_SENSE_N is 0V FB504 Make a call Change the Main bíd YES NO NO Try change the headset Can you scoping some sound signal at FB503 YES make some so...

Page 93: ... AF21 MIC2N AF22 MIC2P MICBIAS T15 LINE_L_IN AC21 AC22 LINE_L_IP AC18 LINE_ON LINE_OP AC17 AC20 LINE_R_IN LINE_R_IP AC19 AA23 W21 HKAIN2 HKAIN3 V19 Y21 HKAIN4 HKAIN5 AB23 HPH_L W17 AA17 HPH_R HPH_VREF AA19 HKAIN0 V21 HKAIN1 EAR1ON AE18 EAR1OP AF18 CCOMP AA20 AF19 AUXIN AE19 AUXIP AUXOUT AA18 VREG_MSMP_2 7V C201 10p R203 150K TP201 R202 680K EAR_MIC_P AMUX_OUT VBAT_TEMP VBAT_SENSE RMT_ADC RECEIVER ...

Page 94: ...mera LCD FPCB NO End Yes 2M START Yes Yes Check the LCD FPCB VREG_CAM_AVDD_2 9V C107 VREG_CAM_AVDD_2 8V C955 VREG_CAM_AVDD_1 5V C956 Change the Main Board NO Change the LCD FPCB NO Camera is OK Yes End NO YES Change the CAMERA Camera is OK NO Yes Check the main Board I2C_SCL R213 I2C_SDA R214 CAM_SYSCLK R502 CAM_PCLK 61 CN502 M_CAM_RESET_n 10 CN502 CAM_VSYNC FB501 CAM_HSYNC FB502 CAM_DATA 0 7 FB50...

Page 95: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 96 Fig 4 5 2M CAM CONNECTOR Z 3 X B O X C O M ...

Page 96: ...FPCB VREG_CAM_AVDD_2 9V C107 VCAM_1 8V C106 Change the Main Board NO Change the LCD FPC CB NO Camera is OK Yes End NO YES Change the CAMERA Camera is OK NO Yes Check the main Board I2C_SCL R213 I2C_SDA R214 CAM_SYSCLK R502 CAM_PCLK 61 CN502 M_CAM_RESET_n 9 CN502 CAM_VSYNC FB501 CAM_HSYNC FB502 CAM_DATA 0 7 FL506 FL507 Check the LCD FPCB I2C_SCL 17 CN105 I2C_SDA 16 CN105 CAM_SYSCLK 2 CN105 CAM_PCLK...

Page 97: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 98 Fig 4 6 Schematic of VGA camera part Z 3 X B O X C O M ...

Page 98: ...eck the main board TCC_2 7V_EHI_LCD R830 FILTER_LCD_SESET_N 6 FL501 FILTER_MM_LCD_DATA 0 15 FL502 FL505 END LCD display OK Is the circuit power on Follow the power on trouble shooting YES END Start Disconnect and reconnect 70 pin B to B connector Change the main board Press END key to turn the power on Change the LCD FPCB Camera is OK Press END key to turn the power on YES YES NO NO YES Check the ...

Page 99: ... 100 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 100: ..._B4 FL502 EVRC14S03Q030100R EVRC14S03Q030100R FL503 5 G1 6 INOUT_B4 EVRC14S03Q030100R FL501 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 INOUT_B2 8 INOUT_B3 7 7 6 INOUT_B4 EVRC14S03Q030100R FL505 5 G1 10 G2 INOUT_A1 1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 LCD_RESET_N FILTER_LCD_RESET_N FILTER_MM_LCD_DATA 8 FILTER_MM_LCD_DATA 9 FILTER_MM_LCD_DATA 10 FI...

Page 101: ...TEK 13 17 PGND1 PGND2 18 PGND3 19 20 PGND4 2 RF_IN_OUT 16 RX_BB_TX_BB 8 SBCK SBDT 7 SBST 6 12 SYNC_DET_TX_EN TCXO_IN 14 9 VBB_OUT VCC_OUT 10 4 VDD_A 15 VDD_MSM M701 LBDA23QJS0 11 CLK_REF GND1 1 GND2 3 5 GND3 GND4 L701 100nH 2 2u C713 1 5p C903 C717 1u ANT701 FEED NC1 NC2 VREG_BT_2 85V 1000p C716 C715 1000p NA L702 2 2u C718 C712 1u C714 0 75p BT_CLK BT_SBCK BT_SBDT BT_SBST BT_TX_RX_N TCXO_BT BT_DA...

Page 102: ...d 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 Bluetooth works well YES Change the main board NO SBST SBCK SBDT is asserted YES Check Pin 4 11 12 Check soldering of BT M701 SYNC_DET_TX_EN is asserted YES NO NO CLK_REF is asserted YES Check soldering of BT M...

Page 103: ...nly for training and service purposes Reference Description Reference Description U100 GSM UMTS Transceiver RTR X101 VCTCXO 19 2MHz FL104 UMTS Duplexer FL105 UMTS TX SAW FL103 UMTS RX SAW U105 UMTS PAM FL101 Front End Module U104 Coupler SW101 RF Antenna Connector FL102 GSM900 TX SAW U102 GSM EDGE PAM Z 3 X B O X C O M ...

Page 104: ... 105 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 12 SIGNAL PATH 4 12 1 UMTS PATH Z 3 X B O X C O M ...

Page 105: ... 106 4 TROUBLE SHOOTING 4 12 2 GSM PATH 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 106: ...nics Inc All right reserved Only for training and service purposes TCXO VREG_TCXO_2 85V VREG_BT_2 85V 1000p C149 100K R116 TC7SH04FS U103 1000p C148 X101 2 GND OUT 3 VCC 4 VCONT 1 19 2MHz 0 01u C145 100p C153 C152 1000p 0 1u C143 1000p C144 TRK_LO_ADJ TCXO_BT TCXO_PM TCXO_OUT Fig 4 9 Schematic of the TCXO Block Fig 4 10 Test Point of the TCXO Block TP1 TP1 TP2 TP4 TP3 Z 3 X B O X C O M ...

Page 107: ... for training and service purposes Check TP1 VCC of VCXO VCC 2 8V Check TP2 TRK_LO_ADJ 3V Voltage 0V Check TP3 TP4 With Oscilloscope 19 2MHz Signal VCXO is OK Check other part Check PMIC Check MSM Check soldering and components Yes Yes Yes No No No Fig 4 11 TCXO output waveform 19 2MHz Z 3 X B O X C O M ...

Page 108: ...C104 0 1u L102 1 5p GND9 7 NC 22 PCS_RX1 PCS_RX2 21 PGND1 25 PGND2 26 8 UMTS_TX_RX 5 VC1 4 VC2 VC3 3 VDD 6 ANT 10 DCS_PCS_TX 13 DCS_RX1 20 DCS_RX2 19 EGSM_RX1 24 23 EGSM_RX2 16 EGSM_TX 1 GND1 2 GND2 GND3 9 GND4 11 12 GND5 GND6 14 15 GND7 GND8 17 18 LSHS M090UH FL101 33p C113 2 7nH L103 15nH C102 56nH L104 ANT_SEL0 ANT_SEL1 ANT_SEL2 Fig 4 12 Schematic of the Front End Module Block Fig 4 13 Test Poi...

Page 109: ...g and service purposes ANTENNA SW LOGIC for LSHS M090UH HITACHI MATAL ANT_SEL0 ANT_SEL1 ANT_SEL2 EGSM TX HIGH LOW LOW DCS PCS TX HIGH HIGH LOW UMTS2100 HIGH LOW LOW EGSM PCS RX LOW LOW LOW DCS RX LOW LOW HIGH Table 4 1 Logic Table of the FEM UMTS Tx Rx DCS1800 PCS1900 Tx GSM900 Tx GSM Rx PCS1900 Rx Z 3 X B O X C O M ...

Page 110: ...er source LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Check Soldering ANT_SEL0 1 2 High Level 2 5V Voltgae 3 0V Check VDD TP4 VREG_RF_SMPS Check the Logic in each mode YES NO Z 3 X B O X C O M ...

Page 111: ...GND9 7 NC 22 PCS_RX1 PCS_RX2 21 PGND1 25 PGND2 26 8 UMTS_TX_RX 5 VC1 4 VC2 VC3 3 VDD 6 ANT 10 DCS_PCS_TX 13 DCS_RX1 20 DCS_RX2 19 EGSM_RX1 24 23 EGSM_RX2 16 EGSM_TX 1 GND1 2 GND2 GND3 9 GND4 11 12 GND5 GND6 14 15 GND7 GND8 17 18 2 8 RFOUT VCC1 1 10 VCC2 VEN 5 4 VMODE0 3 VMODE1 LSHS M090UH FL101 U105 ACPM 7381 6 GND1 GND2 7 GND3 9 PGND 11 RFIN 100p C158 FL104 ACMD 7602 3 ANT 4 PGND 1 RX 2 TX R121 1...

Page 112: ... 113 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 15 Test Point of the WCDMA Tx Block Z 3 X B O X C O M ...

Page 113: ...other parts Check TP3 over 22dBm YES Check FEM FL101 NO Check TP 2 over 23dBm YES Check Duplexer FL104 Check coupler U104 Check TP1 over 25dBm YES NO NO Check PAM block U105 Check TP 4 over 5dBm Run a FTM program Set RF mode to IMT Set uplink freq to 9750 Click Tx on and WCDMA set PA range R1 on Set Tx AGC to 410 YES Check a Current over 500mA NO Check Tx SAW Filter FL105 YES NO Z 3 X B O X C O M ...

Page 114: ...heck R119 2 TX_AGC_ADJ UMTS RTR6275 Tx Amp Gain Control 3 VPWR UMTS PAM Main Voltage 3V VPWR 4 2V 4 PA_ON Turns the PA on and off 5 PA_R1 Control signals that step the active PA mode and bias 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 115: ... C167 1p R120 51 R122 120 33p C142 KMS 518 SW101 A C G1 G2 L121 3 9nH C104 0 1u 1nH L124 GND9 7 NC 22 PCS_RX1 PCS_RX2 21 PGND1 25 PGND2 26 8 UMTS_TX_RX 5 VC1 4 VC2 VC3 3 VDD 6 ANT 10 DCS_PCS_TX 13 DCS_RX1 20 DCS_RX2 19 EGSM_RX1 24 23 EGSM_RX2 16 EGSM_TX 1 GND1 2 GND2 GND3 9 GND4 11 12 GND5 GND6 14 15 GND7 GND8 17 18 LSHS M090UH FL101 10 C FL104 ACMD 7602 3 ANT 4 PGND 1 RX 2 TX R121 120 1nH C162 1p...

Page 116: ...NG LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 1nH L119 WLNA_IN 26 29 WLNA_OUT GND1 22 23 GND2 VDD_RX RX_WCDMA_2100 WLNA_OUT Vbias TP4 Z 3 X B O X C O M ...

Page 117: ...urposes Check the RTR 6275 U101 Check TP4 Signal exist Rx is OK Check other Parts YES YES NO Check TP2 Signal exist Check TP3 Signal exist YES Check FEM FL101 Check the Duplexer FL104 NO NO Check TP1 Signal exist Set the Phone Rx is ON YES Check the RF S W Check bias Block soldering Check Vbias over 2V YES NO NO Z 3 X B O X C O M ...

Page 118: ... 119 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 16 Checking GSM Block Z 3 X B O X C O M ...

Page 119: ...008 LG Electronics Inc All right reserved Only for training and service purposes 4 16 1 Checking Front End Module Refer to chapter 4 14 START 1 Check Front End Module Block 2 Check RF Tx Level 3 Check RF Rx Level 4 Re download SW Calibration Z 3 X B O X C O M ...

Page 120: ...CS_RX1 PCS_RX2 21 PGND1 25 PGND2 26 8 UMTS_TX_RX 5 VC1 4 VC2 VC3 3 VDD 6 ANT 10 DCS_PCS_TX 13 DCS_RX1 20 DCS_RX2 19 EGSM_RX1 24 23 EGSM_RX2 16 EGSM_TX 1 GND1 2 GND2 GND3 9 GND4 11 12 GND5 GND6 14 15 GND7 GND8 17 18 LSHS M090UH FL101 56p C138 5 6nH L105 22 PGND7 23 24 PGND8 25 PGND9 4 RSVD1 8 RSVD2 12 RSVD3 TX_EN 1 6 VAPC VBATT 5 PGND1 PGND10 26 PGND11 27 PGND12 28 29 PGND13 30 PGND14 PGND15 31 32 ...

Page 121: ...DCS PCS over28dBm Check TP 2 TP3 If TP2 over 29dBm If TP3 over 25dBm Check PAM Block OK Refer to chapter3 6 3 Check Soldering of PAM U101 If problem still exist replace the PAM Change the Board Problem resolved Yes Yes Yes Yes No No No No GSM DCS PCS Tx is OK Check other part Check Front End Module Refer to chapter 3 4 Check the RTR 6275 GSM DCS PCS Tx is OK Z 3 X B O X C O M ...

Page 122: ...T 5 PGND1 PGND10 26 PGND11 27 PGND12 28 29 PGND13 30 PGND14 PGND15 31 32 PGND16 33 PGND17 PGND18 34 PGND19 35 18 PGND2 36 PGND20 PGND3 19 PGND4 20 21 PGND5 PGND6 SKY77329 U102 BS 3 DCS_PCS_IN 2 16 DCS_PCS_OUT GND1 10 GND2 11 13 GND3 GND4 14 15 GND5 7 GSM_IN 9 GSM_OUT 17 R110 91 R109 91 GSM_TX GSM_PA_EN GSM_PA_BAND GSM_PA_RAMP DCS_PCS_TX Fig 4 18 Schematic of PAM Block Fig 4 19 Test Point of PAM Bl...

Page 123: ... 6 8nH L115 NA 12nH L111 GND9 7 NC 22 PCS_RX1 PCS_RX2 21 PGND1 25 PGND2 26 8 UMTS_TX_RX 5 VC1 4 VC2 VC3 3 VDD 6 ANT 10 DCS_PCS_TX 13 DCS_RX1 20 DCS_RX2 19 EGSM_RX1 24 23 EGSM_RX2 16 EGSM_TX 1 GND1 2 GND2 GND3 9 GND4 11 12 GND5 GND6 14 15 GND7 GND8 17 18 LSHS M090UH FL101 5 6nH L105 27nH L107 27nH L114 5 6nH L108 Fig 4 20 Schematic of EGSM 900 DCS 1800 PCS 1900 Rx Block Fig 4 21 Test Point of Rx Bl...

Page 124: ...8 LG Electronics Inc All right reserved Only for training and service purposes START TP1 TP2 TP3 Signals exist Rx still has problem Re download Calibration Yes Yes No No Check Front End Module Soldering of TPs GSM 900 DCS 1800 PCS 1900Rx is OK Z 3 X B O X C O M ...

Page 125: ...ht 2008 LG Electronics Inc All right reserved Only for training and service purposes Replace U104 TP3 30MHz YES Replace X101 NO 1 6V TP1 2 0V 0 8V TP2 1 2V Go into the Broadcasting Mode YES Check the LDO replace not working LDO Check DVB H T Antenna or replace Antenna Check the Antenna contact point YES NO NO Z 3 X B O X C O M ...

Page 126: ...e 1 1608 1 0V_DIB_MAC 1u C102 36K R109 2 2u C105 4 7u C103 C108 4 7u 100p C104 4 7uH L102 C101 1u R1131D181D U105 GND 5 NC1 2 4 NC2 1 VDD 3 VOUT 6 _CE_OR_CE 33nH L101 1 8V_DVB_PLL VPWR R115 56K EN LX 4 OUT 2 6 PGND1 PGND2 7 PGND3 8 3 VIN VPWR AAT1143IJS 0 6 T1 U102 AGND 5 1 R188 0 1 8V_DVB_RF 1 0V_DIB_CORE DIB_PWR_EN DIB_PWR_EN Fig 4 22 DVB H T Power Schematic Fig 4 23 DVB H T Power Components Pla...

Page 127: ...ST_BUS11 D13 HOST_BUS12 HOST_BUS13 D11 HOST_BUS14 C13 HOST_BUS2 K13 K11 HOST_BUS3 J13 HOST_BUS4 J11 HOST_BUS5 H13 HOST_BUS6 HOST_BUS8 G13 G11 HOST_BUS9 HOST_VUS7 H11 L13 HOST_BUS0 HOST_BUS1 CRYSTAL_N E1 D1 CRYSTAL_P DGND1 C3 C4 DGND2 DGND3 C5 C6 DGND4 FA 238_30MHz X101 30MHz 1 2 3 4 DIB_DATA 5 DIB_DATA 6 DIB_DATA 7 DIB_IRQ DIB_RDY DIB_WE_N DIB_ADDR 1 DIB_ADDR 2 DIB_DATA 0 DIB_DATA 1 DIB_DATA 2 DIB...

Page 128: ...ditionally LGMDP allows multi downloading up to 8 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 dow...

Page 129: ... 130 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 COM7 shall be different from that of the port number in the snapshot HB620T HB620T Z 3 X B O X C O M ...

Page 130: ...ayed 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 HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T Z 3 X B O X C O M ...

Page 131: ... If you want to reset all the user data back to the way they were before you started downloading new images check the option Erase_EFS The calibration data user contents 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...

Page 132: ...older 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 HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T Z 3 X B O X C O M ...

Page 133: ...ct 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 name in the snapshot HB620T HB620T HB620T HB620T HB620T HB620T HB620T H...

Page 134: ... 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 HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T Z 3 X B O X C O M ...

Page 135: ...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 136: ...de of every included file DZ does not allowing extracting or creating zip archive with other public opened archive tool such as WinZip or Alzip To download DZ image simply click on the DZ button Select dz image path where dz image file is located by clicking on the Browse button Click on the Start Button to start downloading DZ image If you want to go back to original download mode click on the Or...

Page 137: ...l be created in the displayed file name in the LGMDP installation directory HB620T Backing up NV data and backed up NV data will be stored in the LGMDP installation directory HB620T Erasing the existing directories and files before the Module image is downloaded HB620T Downloading the AMSS modem image 138 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training ...

Page 138: ...e handset and re establishing the connection HB620T 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 HB620T Erasing the existing directories and files before downloading the selected Media image Z 3 X B O X C O M ...

Page 139: ...Inc All right reserved Only for training and service purposes 5 DOWNLOAD 140 HB620T Downloading Media image in progress HB620T Downloading Module image in progress Rebooting handset HB620T Downloading process has completed successfully Z 3 X B O X C O M ...

Page 140: ...nd service purposes 5 DOWNLOAD 141 5 2 5 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 141: ... try to download all the images again including AMSS modem Media and Module image The phone supports a special mode called emergency mode In this mode minimum units for downloading are 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 Port when phone is bo...

Page 142: ... 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 HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T Z 3...

Page 143: ...e Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 3 5 NV Restore Error Snapshot showing the NV Restore error Next slide shows the remedial procedure to adopt HB620T Z 3 X B O X C O M ...

Page 144: ...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 HB620T HB620T HB620T Z 3 X B O X C O M ...

Page 145: ...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 HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T HB620T...

Page 146: ...is not 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 147: ...ction LPF DC Correction Dugital IO s controls LPF Qua drature Upconverter LPF BPF BPF BPF BPF PL L 1 VCO LPF F ref F ref RTR6275_TCXO VDDM P LL 2 VCO F ref LPF U2 100 Rx B PF Ctls Power Detector GSM1900 Rx BPF GSM1800 Rx BPF GSM900 Rx BPF SW H BPF L BPF Coupler U2100 Tx BPF G900 Tx BPF pad pad GSM EDGE PA U2100 PM6650 Input P ower Ma nagemen t Vo ltag e Reg ulators G enera l Housekeepin g User Int...

Page 148: ...101 KMS518 Test Connector Calibration etc X101 TG 5010LH 19 2M 75A VCTCXO 19 2MHz Common U101 RTR6275 RF Transceiver IC TRX Bluetooth M701 LBDA23QJS0 BT RF Transceiver BT TRX FL104 ACMD 7602 Duplexer TRX FL103 EFCH2140TDE1 RX SAW Filter RX FL105 EFCH1950TDF1 TX SAW Filter TX U105 ACPM 7381 TX PAM TX UMTS U104 LDC151G9520Q 359 Coupler TX U102 SKY77329 TX Dual PAM TX GSM FL102 EFCH897MTDB1 Tx SAW Fi...

Page 149: ...ice purposes Fig 6 2 HB620T Interface Diagram Main RF signal Description Comment GSM 900 TX GSM 900 TX RF Signal DCS TX DCS TX RF Signal PCS TX PCS TX RF Signal W TX UMTS2100 TX RF Signal GSM 900 RX GSM 900 RX RF Signal DCS RX DCS RX RF Signal PCS RX PCS RX RF Signal W 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 150: ...igh Low Power Control PA_ON 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 signal TX_ON RF Enable Signal SSBDT_RTR Bidirec tional SSBI Data TX_AGC_ADJ Transmit Gain Control FEM_CTL signal ANT_SEL 0 1 2 Ant Switch Module Mod e Selection UMTS GSM900Tx Rx DCS Tx Rx PCS Tx Rx UMT...

Page 151: ... 152 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 152: ...3 9 PGND 11 RFIN 100p C158 C115 22u L112 47nH FL104 ACMD 7602 3 ANT 4 PGND 1 RX 2 TX VPWR C139 15p R121 120 C117 0 1u 56p C138 C169 100p C128 100p C124 C164 22p 0 1u C122 DNI L120 47nH 5 6nH L105 1nH C162 0 1u 22 PGND7 23 24 PGND8 25 PGND9 4 RSVD1 8 RSVD2 12 RSVD3 TX_EN 1 6 VAPC VBATT 5 C118 PGND1 PGND10 26 PGND11 27 PGND12 28 29 PGND13 30 PGND14 PGND15 31 32 PGND16 33 PGND17 PGND18 34 PGND19 35 1...

Page 153: ... MIC2P MICBIAS T15 M16 MMC_CLK_SDCC_CLK_GPIO31 MMC_CMD_GPIO30 H14 L14 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 AC22 LINE_L_IP AC18 LINE_ON LINE_OP AC17 AC20 LINE_R_IN LINE_R_IP AC19 MDDIC_DATN A23 A22 AA23 W21 HKAIN2 HKAIN3 V19 Y21 HKAIN4...

Page 154: ...10 T13 NC100 U1 NC101 NC102 U3 U14 NC103 V1 NC104 NC105 V2 NC106 DQ6 U7 DQ7 DQ8 T9 T10 DQ9 U8 DQM0 DQM1 T8 V7 DQM2 U9 DQM3 M11 IO1 IO10 L9 IO11 L11 IO12 K9 H13 IO13 IO14 H11 IO15 H9 IO16 G11 M13 T5 P5 DQ20 DQ21 R5 DQ22 P6 R6 DQ23 P9 DQ24 P10 DQ25 DQ26 R10 DQ27 P11 DQ28 R11 P12 DQ29 V5 DQ3 DQ30 R12 R13 DQ31 DQ4 U5 DQ5 T6 V6 BA1 D8 CKE M4 CLE C8 CLK DQ0 U4 DQ1 T4 DQ10 V10 T11 DQ11 DQ12 U11 V11 DQ13 ...

Page 155: ...M_CLK MPP10 VREG_MMC 39 4 CHG_CTL_N 40 RUIM_M_RST MPP5 41 VDD_RUIM 42 VREG_RUIM 43 RUIM_RST MPP6 44 XTAL_IN 30 RUIM_M_IO MPP11 VSW_MSMC 31 32 VREG_MSMC 33 VDD_MSMC 34 RUIM_M_CLK MPP9 35 VDD_MSME 36 VREG_MSME 37 VSW_MSME 23 KPD_DRV_N KPDPWR_N 24 25 VIB_DRV_N 26 RUIM_IO MPP12 27 VSW_PA 28 VREG_PA 29 VDD_PA 3 ISNS_P USB_VBUS 17 USB_DAT 18 USB_D_P USB_SE0 19 2 VCHG 20 USB_D_M 21 GP1_DRV_N MPP7 22 LCD_...

Page 156: ...00R FL505 5 G1 10 G2 INOUT_A1 1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 HOT509 CN504 1 2 3 R839 47 R838 47 VA713 EVLC14S02050 VA714 EVLC14S02050 VA712 EVLC14S02050 501 R513 47 507 47 R502 capacitor VA512 R506 51p 51K HOT507 R907 100ohm HOT506 HOT508 510 KEY_ROW 1 KEY_COL 1 KEY_COL 2 KEY_ROW 0 KEY_COL 0 KEY_COL 3 KEY_COL 4 KEY_ROW 3 KEY_ROW 3 KEY_ROW 4 KEY_COL 5 KEY_ROW 4 KE...

Page 157: ...SB6 8CST2R VA702 U702 NL17SZ16XV5T2 A GND NC VCC Y ANT701 FEED NC1 NC2 VREG_BT_2 85V EVLC14S02050 VA715 1000p C716 C715 VBATT 5V_PWR 1000p VA704 D701 SD12T1G VA703 EVLC14S02050 VREG_MSMP_2 7V EVLC14S02050 47p C708 47p C707 33p D 3 D 5 GND 4 1 HSD1 7 HSD1 2 HSD2 HSD2 6 SEL 10 9 VCC 8 _OE C709 FSUSB30UMX U701 C710 15p NA L702 MICBIAS 2 2u C718 C712 USB_VBUS 1u R706 0 C842 VA707 EVLC14S02050 C841 33u...

Page 158: ...M8 GPIO_B6 GPIO_B7 L8 N8 GPIO_B8 GPIO_B9 K9 GPIO_C30 F5 GPIO_C31 G2 GPIO_F25 H1 GPIO_F26 G5 G4 GPIO_F27 B5 GPIO_A0 GPIO_A1 A5 GPIO_A10 M12 GPIO_A11 L13 L12 GPIO_A12_CDATA GPIO_A4 L6 L5 GPIO_A5 GPIO_A6 N12 GPIO_A7 M13 N13 GPIO_A8 M11 GPIO_A9 GPIO_B0 M6 N6 GPIO_B1 L9 GPIO_B10 GPIO_B11 L10 GPIO_B12 K10 DM J13 DP K13 A4 GND1 GND10 K8 A11 GND2 B10 GND3 GND4 B11 C10 GND5 C11 GND6 D11 GND7 F9 GND8 GND9 H...

Page 159: ...D13 HOST_BUS12 HOST_BUS13 D11 HOST_BUS14 C13 HOST_BUS2 K13 K11 HOST_BUS3 J13 HOST_BUS4 J11 HOST_BUS5 H13 HOST_BUS6 HOST_BUS8 G13 G11 HOST_BUS9 HOST_VUS7 H11 INT_SELECT0 L9 L8 INT_SELECT1 LF_N L4 GNDRF12 L5 L6 GNDRF13 E3 GNDRF2 F3 GNDRF3 GNDRF4 F6 G3 GNDRF5 G6 GNDRF6 H3 GNDRF7 GNDRF8 H6 GNDRF9 J3 GPIO1 B12 F13 GPIO2 GPIO3 N12 M13 GPIO4 L13 HOST_BUS0 HOST_BUS1 U104 DIB9080H BIASRES B2 CLK_CFG A6 CRY...

Page 160: ...2 VA3 VA2 EVLC14S02050 EVLC14S02050 VA4 VA1 EVLC14S02050 EVLC14S02050 KEY_ROW 3 KEY_COL 1 KEY_COL 2 KEY_COL 3 KEY_COL 1 KEY_COL 2 KEY_ROW 3 KEY_COL 3 KB102 7 CIRCUIT DIAGRAM 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 161: ...REG_CAM_DVDD_2 8V MOTOR_PWR C103 LCD_IF_MODE_0 FILTER_MM_SUB_LCD_CS_N FILTER_MM_LCD_DATA 14 FILTER_MM_LCD_DATA 12 FILTER_MM_LCD_DATA 10 FILTER_MM_LCD_DATA 8 FILTER_MM_LCD_DATA 6 FILTER_MM_LCD_DATA 4 FILTER_MM_LCD_DATA 2 FILTER_MM_LCD_DATA 0 FILTER_MM_LCD_WE_N MM_MAIN_LCD_CS_N LCD_MAKER_ID I2C_SCL CAM_DATA 6 F CAM_DATA 7 F WLED_PWR MAIN_LED4 MAIN_LED1 FILTER_LCD_RESET_N MM_LCD_RD_N FILTER_MM_LCD_AD...

Page 162: ...ernal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA IC PIN CHECK 163 8 BGA IC PIN CHECK MSM6280 PIN MAP Bottom View USE NOT IN USE Z 3 X B O X C O M ...

Page 163: ... 164 8 BGA IC PIN CHECK Memory PIN MAP TOP View LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes USE NOT IN USE Z 3 X B O X C O M ...

Page 164: ... 165 8 BGA IC PIN CHECK LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TCC7920S PIN MAP Bottom View USE NOT IN USE Z 3 X B O X C O M ...

Page 165: ... 166 8 BGA IC PIN CHECK LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes DIB9080H PIN MAP Bottom View USE NOT IN USE Z 3 X B O X C O M ...

Page 166: ... 167 9 PCB LAYOUT 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 167: ... Rx Sensiitivity or Tx power U401 PM6650 3P No power on CN502 LCD FPCB connector No display camera Speaker Vibrator DVB U807 TCC7920S DVB H T DSP LCD bypass U302 TYA000BC00COGG Can t Boot the phone CN501 LBDA23QJS0 No B T connection U102 Sky77328 No Tx power FL101 LSHS M090UH Rx Sensiitivity or Tx power FL104 ACMD 7602 Rx Sensiitivity or Tx power U105 ACPM7381 No Tx power X801 DSX321G 12MHz Z 3 X ...

Page 168: ... 169 9 PCB LAYOUT 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 169: ...rnal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes U104 DiB9080H DVB H T Demodulator FL101 SAEEB897MCA0B00 DVB HH T Filter GSM Rejection X101 FA 238_30MHz Z 3 X B O X C O M ...

Page 170: ... 171 9 PCB LAYOUT 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 171: ... 172 9 PCB LAYOUT 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 172: ...LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN105 VGA CAM Connector No VGA camera CN104 2M cam connector No 2M camera Z 3 X B O X C O M ...

Page 173: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN103 LCD connector No display CN101 LCD FPCB connector No display camera Speaker Vibrator DVB Z 3 X B O X C O M ...

Page 174: ...ight 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 Click SETTING in menu and logic operation in sub menu Select the model name HB620T which you want in list box Click Start button to calibrate a phone Z 3 X B O X C O M ...

Page 175: ...L Operating Mode You can set UART Port and logic mode mode1 Calibration alone You can set the type of file which contains the test result Use FILE 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...

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 177: ... 178 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: ...9 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 38 37 34 33 30 26 22 21 63 62 61 60 58 59 55 54 53 52 51 50 49 48 57 56 15 14 13 11 10 9 8 64 45 44 43 42 41 40 39 46 47 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 Z 3 X B O X C O M ...

Page 179: ... 180 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: ...1 COMPLEX empty Without Color 22 5 MTAK00 TAPE CAMERA MTAK0009401 COMPLEX empty Without Color 24 4 ACGJ00 COVER ASSY FOLDER UPPER ACGJ0069601 Without Color 5 MCJJ00 COVER FOLDER UPPER MCJJ0052201 MOLD PC LUPOY SC 1004A Black 3 5 MDAE00 DECO FOLDER UPPER MDAE0042301 PRESS Al 0 5 Black 2 5 MGAD00 GASKET SHIELD FORM MGAD0167701 COMPLEX empty Without Color 5 MICZ00 INSERT MICZ0019901 Without Color 11 ...

Page 181: ...OW MTAD0084101 COMPLEX empty Without Color 28 5 MWAC00 WINDOW LCD MWAC0095601 CUTTING PMMA MR 200 Without Color 29 4 GMEY00 SCREW MACHINE BIND GMEY0011201 1 4 mm 3 mm MSWR3 BK N NYLOK Without Color 4 MCCH01 CAP SCREW MCCH0124601 CUTTING PMMA MR 200 Without Color 38 4 MCCH02 CAP SCREW MCCH0124701 CUTTING PMMA MR 200 Without Color 37 4 MCCH03 CAP SCREW MCCH0124801 MOLD PC LUPOY SC 1004ML Red 36 5 MT...

Page 182: ...r Spec Color Remark 4 MTAB00 TAPE PROTECTION MTAB0250901 COMPLEX empty Without Color 3 MCCH00 CAP SCREW MCCH0125001 COMPLEX empty Black 61 3 MCCH01 CAP SCREW MCCH0125101 COMPLEX empty Black 62 3 MLAK00 LABEL MODEL MLAK0018616 KG110 MADE IN KOREA Without Color 5 MCBA00 CAN SHIELD MCBA0029601 COMPLEX empty Without Color 53 5 MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color Z 3 X B O X C O M ...

Page 183: ...3V K X5R TC 1005 R TP 7 C103 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C104 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C empty empty empty empty 7 C105 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 7 C106 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C107 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C306 CAP ...

Page 184: ...VY0001001 14 V SMD 50pF 1005 7 VA109 VARISTOR SEVY0001001 14 V SMD 50pF 1005 7 VA110 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 SPCY00 PCB FLEXIBLE SPCY0122101 POLYI mm MULTI 4 4 SAEY00 PCB ASSY KEYPAD SAEY0061401 17 5 SAEB00 PCB ASSY KEYPAD INSERT SAEB0025501 6 ADCA00 DOME ASSY METAL ADCA0078501 HOT KEY Without Color 5 SAEE00 PCB ASSY KEYPAD SMT SAEE0028601 6 SAEC00 PCB ASSY KEYPAD SMT BOTTOM SAEC...

Page 185: ...HIP ELCH0004707 1 5 nH S 1005 R TP 6 C103 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C104 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C105 CAP CERAMIC CHIP ECCH0000127 82 pF 50V J NP0 TC 1005 R TP 6 C106 INDUCTOR CHIP ELCH0001403 1 nH S 1005 R TP PBFREE 6 C107 CAP CERAMIC CHIP ECCH0000107 6 pF 50V D NP0 TC 1005 R TP 6 C108 CAP CHIP MAKER ECZH0000806 5 pF 50V C NP0 TC ...

Page 186: ...155 10 nF 16V K X7R HD 1005 R TP 6 C136 CAP CHIP MAKER ECZH0000841 56 pF 50V J NP0 TC 1005 R TP 6 C138 CAP CHIP MAKER ECZH0000841 56 pF 50V J NP0 TC 1005 R TP 6 C139 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C140 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 C142 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C143 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X...

Page 187: ...K X7R HD 1005 R TP 6 C208 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C209 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C210 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C211 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C212 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C213 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 10...

Page 188: ...0000199 12 nF 16V K X7R HD 1005 R TP 6 C313 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C314 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C315 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C316 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C317 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C318 CAP CERAMIC CHIP ECCH0000151 4 7 nF...

Page 189: ... 4 7 uF 6 3V K X5R TC 1608 R TP 6 C424 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C425 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C426 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C427 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C428 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C429 CAP CERAMIC CHIP ECCH0000393 22000...

Page 190: ...ER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C808 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C809 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C811 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C812 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C813 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C814 CAP CHIP MAKER ECZH0003103 0...

Page 191: ...DIODE TVS EDTY0008601 SOD 323 6 V 400 W R TP PB FREE 6 D402 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 D403 DIODE TVS EDTY0008607 SC70 6L 6 V 200 W R TP PB FREE 6 D701 DIODE TVS EDTY0007401 SMD 12 V 350 W R TP 6 FB501 FILTER BEAD CHIP SFBH0000909 60 ohm 1005 6 FB502 FILTER BEAD CHIP SFBH0000909 60 ohm 1005 6 FB503 FILTER BEAD CHIP SFBH0007103 75 ohm 1005 CHIP ...

Page 192: ...nH J 1005 R TP 6 L116 INDUCTOR CHIP ELCH0005005 27 nH J 1005 R TP 6 L117 INDUCTOR CHIP ELCH0005005 27 nH J 1005 R TP 6 L118 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R TP COIL TYPE 6 L119 INDUCTOR CHIP ELCH0005020 1 nH S 1005 R TP 6 L120 INDUCTOR CHIP ELCH0003813 47 nH J 1005 R TP COIL TYPE 6 L121 INDUCTOR CHIP ELCH0001040 3 9 nH S 1005 R TP PBFREE 6 L122 CAP CHIP MAKER ECZH0000802 1 pF 50V C NP0 TC ...

Page 193: ...0490 51 ohm 1 16W J 1005 R TP 6 R121 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R122 RES CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 6 R201 RES CHIP MAKER ERHZ0000407 1000 Kohm 1 16W J 1005 R TP 6 R202 RES CHIP MAKER ERHZ0000288 470 Kohm 1 16W F 1005 R TP 6 R203 RES CHIP MAKER ERHZ0000222 150 Kohm 1 16W F 1005 R TP 6 R205 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R206...

Page 194: ... R412 RES CHIP MAKER ERHZ0004301 0 1 ohm 1 4W F ETC R TP 6 R413 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 6 R416 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R501 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 6 R502 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R503 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R702 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W ...

Page 195: ...SMD R TP 16 6 U103 IC EUSY0278501 SON5 P 0 50 5 PIN R TP INVERTER GATE Pb Free 6 U104 COUPLER RF DIRECTIONAL SCDY0004101 20 2 dB 0 22 dB 34 dB 10 5 4 SMD Pb free_WCDMA empty 1950MHz 60MHz SMD R TP 6 U105 PAM SMPY0015501 28 dBm 40 90 mA 40 dBc 26 5 dB 4x4x1 1 SMD MSM6280 Tr Switch Func included R TP R TP 10 6 U201 IC EUSY0295601 CSP 409 PIN R TP WCDMA GSM GPRS EDGE HSDPA Base Band 6 U302 IC EUSY033...

Page 196: ...19 2 MHz 1 5 PPM 10 pF SMD 3 3 2 5 1 0 2PPM 2 8V SMD P TP 6 X201 RESONATOR EXRY0002401 48 MHz 5 14 pF SMD 2 0 1 2 0 65 Outgoing Tolerance 0 2 0 05 at 40 C 85C Built In Cap 6 X401 X TAL EXXY0024301 32 768 KHz 20 PPM 12 5 pF 70 Kohm SMD 3 2 1 5 0 9 40 C 85 C C0 1 05pF C1 fF 32 768 20PPM 12 5 SMD R TP 6 X801 X TAL EXXY0017801 12 MHz 50 PPM 8 pF 80 ohm SMD 3 2 2 5 0 75 20ppm at 25 C 30ppm at 30 C 85 C...

Page 197: ...315 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R411 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 6 R504 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R505 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R506 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R507 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R511 RES CHIP MAKER ERHZ0000483 47 ohm 1...

Page 198: ...CERAMIC CHIP ECCH0000123 51 pF 50V J NP0 TC 1005 R TP 6 VA510 CAP CERAMIC CHIP ECCH0000123 51 pF 50V J NP0 TC 1005 R TP 6 VA511 CAP CERAMIC CHIP ECCH0000123 51 pF 50V J NP0 TC 1005 R TP 6 VA512 CAP CERAMIC CHIP ECCH0000123 51 pF 50V J NP0 TC 1005 R TP 5 WSYY00 SOFTWARE WSYY0816101 DZ_HB620AT 00 V10a H3G IT MAY 02 2008 0 3 SAJY00 PCB ASSY SUB SAJY0031801 55 4 SAJB00 PCB ASSY SUB INSERT SAJB0015901 ...

Page 199: ...9 CAP CERAMIC CHIP ECCH0000196 0 75 pF 50V C NP0 TC 1005 R TP 6 CN102 CONNECTOR ETC ENZY0018801 PIN mm ETC RCS 1 35 6 FL101 FILTER SAW SFSY0037401 897 5 MHz 1 4 1 1 0 6 SMD 470M 750M 2 3 798M 1 9 862M 6 5 5pin U 50 DVB H BPF 897 5 1 4 1 1 0 6 SMD R TP 6 L103 INDUCTOR CHIP ELCH0012505 22 nH G 1005 R TP Chip coil 6 L106 INDUCTOR CHIP ELCH0001031 15 nH J 1005 R TP PBFREE 6 L108 INDUCTOR CHIP ELCH0012...

Page 200: ...ATCHIN G STMY0024701 4 PIN SMD Pb free_DVB H Balun 686 0 4 BPF SMD R TP 6 U104 MODULE ETC SMZY0017001 RF Demod 1 chip DMB 6 VA101 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA102 VARISTOR SEVY0007301 5 V 0 5pF SMD 6 X101 X TAL EXXY0015502 30 MHz 50 PPM 12 pF 40 ohm SMD 3 2 2 5 0 7 5 SAJD00 PCB ASSY SUB SMT TOP SAJD0026801 6 C101 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C102 CAP C...

Page 201: ...3 7 1000 0 2C PRISMATIC 46x34x55 BLACK Innerpack Europe Reverse insert OK Black 3 SGDY00 DATA CABLE SGDY0010904 empty empty empty 18 BLACK 6 2mm Plug Datacable empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003719 RMS 20mW 0 56V RMS 16 ohm 2 4 ohm 1KHZ 116dB 3dB 1KHZ 3mW 116dB 1KHZ 96dB 100HZ empty BLACK 18P MMI CONNECTOR Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0024501 100 240V 5060 Hz 5 1 V 7 A CE...

Page 202: ...Note Z 3 X B O X C O M ...

Page 203: ...Note Z 3 X B O X C O M ...

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