LG KE990 - Viewty Cell Phone 100 MB Service Manual Download Page 86

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4. TROUBLE SHOOTING

Checking Switch Block power source

LGE Internal Use Only

Check Soldering

ANT_SEL0, 1 High Level

2.5V < Voltgae < 3.0V

Check VDD

TP3 VREG_RF_SMPS

Check the Logic

in each mode

YES

Summary of Contents for KE990 - Viewty Cell Phone 100 MB

Page 1: ...Date April 2008 Issue 1 0 Service Manual Model KE990 KE990c Service Manual KE990 KE990c Internal Use Only ...

Page 2: ...4 5 Checking GSM Block 88 4 6 Power on trouble 94 4 7 SIM detect trouble 99 4 8 Key sense trouble KEYPAD 100 4 9 Keypad backlight trouble 102 4 10 Micro SD trouble 104 4 11 Audio trouble 105 4 12 Camera trouble 118 4 13 Main LCD trouble 121 4 14 Bluetooth trouble 124 4 15 Touch Screen trouble 126 5 DOWNLOAD 127 5 1 Introduction 127 5 2 Downloading Procedure 127 5 3 Troubleshooting Download Errors ...

Page 4: ...or connected 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 dis...

Page 5: ...interfere 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 boar...

Page 6: ...ing Standard GSM900 DCS1800 PCS1900 with seamless handover Phase 2 include AMR SIM Toolkit Class 1 2 3 A E Frequency Range GSM900 TX 880 915 MHz GSM900 RX 925 960 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz Application Standard WAP 2 0 JAVA 2 0 Item Part Name Comment Digital Baseband Neptune D761811BZVL TI Analog Baseband Triton TWL3029 T...

Page 7: ...g Period 9 Charging time 3 hrs Power Off 800mAh Talk time Min 3 0 hrs Power Level 7 GSM850 800mAh RX sensitivity GSM900 105 dBm DCS 1800 105 dBm PCS 1900 105 dBm GSM900 33 dBm Class4 GSM900 DCS 1800 30 dBm Class1 PCS PCS 1900 30 dBm Class1 DCS GSM900 27 dBm E2 GSM900 DCS 1800 26 dBm E2 PCS PCS 1900 26 dBm E2 DCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 SIM card type Plug I...

Page 8: ...stem connector 18 Pin Ear Phone Jack 18pin 4 Pole Stereo PC synchronization Yes Memory NAND Flash 1Gbit SDRAM 512Mbit Speech coding FR EFR HR AMR Data Fax Built in Data Fax support Vibrator Built in Vibrator Blue Tooth V1 2 A2DP MIDI for Buzzer Function SW Decoded 40Poly Music Player MP3 WMA AAC HE AAC EAAC With Graphic EQ Video Player MPEG4 H 263 WMV9 Camcorder MPEG4 H 263 Voice Recording Yes Spe...

Page 9: ...930 n 511 x 0 2 MHz n 512 810 2 Phase Error RMS 5 degrees Peak 20 degrees 3 Frequency Error 0 1ppm 4 Power Level GSM EGSM Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 12 19 dBm 3dB DCS PCS Level Power Toler Level Power To...

Page 10: ...to modulation Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 DCS PCS Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 6 Output RF Spectrum GSM EGSM due to switching transient Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21 1 800 24 ...

Page 11: ...sions Conduction Emission Status GSM EGSM 8 Bit Error Ratio BER Class II 2 439 102dBm DCS PCS BER Class II 2 439 102dBm 9 Rx Level Report accuracy 10 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 11 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 7 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3 400 2 10 4...

Page 12: ...4 0mA Max power Using Test mode on DSP Sleep function 6mA 21 Talk Time GSM850 Level7 Battery 800mA 210 Min GSM850 Level12 Battery 800mA 350 Min PCS1900 Level5 Battery 800mA 310 Min PCS1900 Level10 Battery 800mA 390 Min 22 Standby Time Under conditions at least 200 hours Brand new and full 800mAh battery Full charge no receive send and keep GSM in idle mode Broadcast set off Signal strength display...

Page 13: ...0 03 V Call 3 6 0 03 V Standby 28 Forced shut down Voltage 3 35 0 03 V 29 Battery Type 1 Li Ion Battery Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity Min 930mAh 30 Travel Charger Switching mode charger Input 100 240 V 50 60Hz Out put 5 1V 700mA LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 2 PERFORMANCE 14 ...

Page 14: ...onnects with receive and transmit paths through a FEM Front End Module 3 TECHNICAL BRIEF Quadrature Upconverter Quadrature Downconverter Quadrature Downconverter Quadrature Downconverter LPF DC Correction LO generation Distribution LPF DC Correction LPF DC Correction Dugital IO s controls LPF Quadrature Upconverter LPF BPF BPF BPF BPF PLL 1 VCO LPF F ref F ref RTR6275 _TCXO VDDM PLL 2 VCO F ref LP...

Page 15: ...amplifier from a DAC within the ESM KE990 KE990c power supply voltages are managed and regulated by the PM6635 Power Management IC This versatile device integrates all wireless handset power management general housekeeping and user interface support functions into a single mixed signal IC It monitors and controls the external power source and coordinates battery recharging while maintaining the ha...

Page 16: ... is not required The EGSM900 DCS1800 and PCS1900 receiver inputs of RTR6235 are connected directly to the transceiver front end circuits filters and antenna switch module 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 maintai...

Page 17: ...er inter modulation and common mode rejection performance The RTR6235 input stages include ESMcontrolled 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 f...

Page 18: ...ut the band center frequency the suggested starting value is shown in Figure3 2 3 The RTR6235 IC is able to support GSM 850 900 and GSM 1800 1900 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 low band GSM Tx path also includes a ...

Page 19: ...m baseband to RF Two fully functional fractional N synthesizers including VCOs and loop filters are integrated within the RTR6235 IC The synthesizer PLL1 creates the transceiver LOs that support four GSM band receivers and transmitters including GSM850 EGSM900 DCS1800 and PCS1900 An external TCXO input signal is required to provide the synthesizer frequency reference to which the PLL is phase and ...

Page 20: ...r functions is enabled by the ESM TCXO_EN line The PM6635 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 ESM6270 IC require a reference voltage for proper operation and sufficient accuracy Connecting the PM6635 IC REF_OUT directly to the ESM6270 IC GSM_PA_PWR_CTL_REF provides this r...

Page 21: ...two external pass transistors and one external battery MOSFET MOSFET is optional Voltage current and power control loops Automated recovery from sudden momentary power loss Output voltage regulation One boost step up switched mode power supply SMPS for driving white LEDs and hosting USBOTG Three buck step down switched mode power supplies that efficiently generate ESMC ESME and PA or second ESMC s...

Page 22: ... to 3 1V in 100 mV increments Speaker driver with programmable gain turn on time and muting differential operation drives external 8 Ω speakers with volume controlled 500 mW IC level interfaces ESM device compatible 3 line SBI for efficient initialization status and control Supports the ESM device s interrupt processing with an internal interrupt manager Many functions monitored and reported throu...

Page 24: ...g implemented with a high Q passives technology for optimal performance The CMOS controller implements a fully integrated power control within the module for GSM operations and serves as the AM AM path in EDGE operations This eliminates the need for any external couplers power detectors current sensing etc to assure the output power level The module has Tx enable and band select inputs Module cons...

Page 25: ... bluetooth RF module and Antenna Figure3 4 5 shows the bluetooth system architecture in the KE990 KE990c 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 LB RQ 2B43A SYN C_DET TX _EN SBST RX_BB TX _BB SBCK SBDT CLK _REF XTAL_I N VD D_M SM VD D_BAT VDD_I NT V CC_OUT GND BCM2004 16 BPF AN T GND Part LDO Part Supply Part Clo ck Part BlueQI nterfacePart ESM6270 Bluetooth Baseband 7 BT_TX _RX_N SBST BT_DA TA SBCK S...

Page 26: ...s with fully integrated IF selectivity and demodulation This equipment tunes the European US and Japanese FM bands Figure3 4 6 shows the FM Radio system architecture in the KE990 Figure 3 4 6 FM Radio TEA5766 UK Philips VAFR VAFL RFIN1 RFIN2 FM_ANT CLOCK DATA FREQIN INTX BUSEN ESM6270 I2C_SCL_GPIO27 I2C_SDA_GPIO26 GRFC4_AUX_SBCK_GPIO7 GRFC3_GPIO6 From MMI Audio Codec WM8983 32 768KHz From PMIC HP_...

Page 27: ... performance DSP cores Integrated gpsOne position location technology functionality Integrated Bluetooth 1 2 baseband processor for wireless connectivity to peripherals Qcamera with 30 fps QVGA viewfinder resolution and support for 4 MP camera sensors Direct interface to digital camera module with video front end VFE image processing True 3D graphics for advanced wireless gaming SecureMSM v2 0 inc...

Page 28: ... 0 3 SDRAM_CLK SDRAM_CS_N SDRAM_RAS_N SDRAM_CAS_N SDRAM_WE_N SDRAM_ CLK_ EN VREG_ MSMP_2 7V SPK_R L MIC1P 1N CODEC_I2C_ SCL CODEC_I2C_SDA FM_ AUDIO_R L MIC2P From PMIC HP_ EAR_L HP_EAR_R MIDI_EAR_L MIDI_ EAR_R To MMI MIDI_3 3V From LDO HP_ AMP_ EN From ESM MMP_ADI_ ADCDAT MMP_A_ MCLK MMP_ADI_ DACDAT MMP_A_ LRCLK MMP_A _ BCLK SPK_OUT SPK_OUT To MODULE SPEAKER RCV To RECEIVER From FM RADIO MSM_USB_D...

Page 29: ... LBRQ 2B43A LGIT FM Radio TEA5766UK Philips 3 35X3 3X0 64 FM_AUDIO _R L To WM 8983 VAFR VAFL RFIN1 RFIN2 FM_ANT From MMI I2C_SCL DATA CLOCK DATA MSM6280 SLEEP _CLK FREQIN SLEEP _XTAL _IN I2C_SCL DATA I2C_SCL _GPIO 27 I2C_SDA_GPIO26 FM Radio VGA CAMERA FM_INTX INTX To MSM 6280 FM_INTX GRFC 4_AUX_SBCK _GPIO 7 FM_BUSEN BUSEN From MSM 6280 FM_BUSEN GRFC 3_GPIO 6 FM Radio I F VCTCXO TG 5010LH Epson 3 3...

Page 30: ...bus interface SBI the ARM926EJ S configures and controls the functionality of the RTR6235 RFR6275 and PM6635 devices 3 6 2 GSM features The following GSM modes and data rates are supported by the ESM6270 device hardware Support modes conform to release 99 specifications of the sub feature Voice features FR EFR AMR HR A5 1 A5 2 and A5 3 ciphering Circuit switched data features 9 6k 14 4k Fax Transp...

Page 31: ...one path VR Voice mail voice memo Acoustic echo cancellation Audio AGC Audio Codecs AMR NB AAC AAC Plus Enhanced AAC Plus Windows Audio v9 Real Audio 8 G2 Internal vocoder supporting AMR FR EFR and HR 3 6 6 ESM6270 microprocessor subsystem Industry standard ARM926EJ S embedded microprocessor subsystem 16 kB instruction and 16 kB data cache Instruction set compatible with ARM7TDMI ARM version 5TEJ ...

Page 32: ...nal keypad interface 3 6 8 Supported multimedia features Provide additional general purpose MIPS by using Two QDSP4000s Dedicated 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 vis...

Page 33: ...64 Audio 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 playbac...

Page 34: ...SBI is designed specifically to be a quick low pin count control protocol for QUALCOMM s RTR6235 RFR6275 and PM6635 ASICs Using the SSBI the RTR6235 RFR6275 and PM6635 devices can be configured for different operating modes and for minimum power consumption extending battery life in Standby mode The SSBI also controls DC baseband offset errors Table 3 6 Summary of ESM6270 device features ...

Page 35: ...ol AVC EarSeal Echo Canceller ESEC Acoustic Echo Canceller AEC Noise Suppression NS and programmable 13 tap Type I FIR Tx Rx compensation filters The ESM6270 device s integrated ARM9TDMI processor downloads the firmware into the QDSP4000 and configures QDSP4000 to support the desired functionality 3 6 12 ARM Microprocessor subsystem The ESM6270 device uses an embedded ARM926EJ S microprocessor Thi...

Page 36: ...l RAM ROM general purpose chip selects parallel LCD interface and a UART interface The function of these pins is documented in the various software releases 3 6 15 UART The ESM6270 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 6 16 USB The ESM6270 device integrates a universal ser...

Page 37: ...propriate handset electronics It monitors and controls the power sources detecting which sources are applied verifying that they are within 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 vol...

Page 39: ...certain 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 PM6635 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 a...

Page 40: ...nabled through SBI control and powered from VDD is provided by the PM6635 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 PM6635 ...

Page 41: ...Charging Constant voltage 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 1000mAh Charger Voltage 5 1V Charging time Max 3h Except time trickle c...

Page 42: ... burst NOR burst 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 inter...

Page 43: ... training and service purposes 3 TECHNICAL BRIEF 44 Figure Simplified Block Diagram of Memory Interface ESM6270 SDRAM 1Gbit 512M x 2 NAND 2Gb 256MB DATA 31 0 ADDRESS 14 0 WE CS CAS RAS CLK_EN CLK DQM 3 0 NAND_CS NAND_RE NAND_WE NAND_CLE NAND_WP NAND_ALE NAND_READY DATA 15 0 EBI1 EBI2 ...

Page 44: ... I_IM_CH0 AB25 I_IM_CH1 V25 I_IP_CH0 AC25 W25 I_IP_CH1 B13 I_OUT A13 I_OUT_N LCD_EN_GPIO37 GRFC4_AUX_SBCK_GPIO7 GRFC5_AUX_SBST_GPIO8 D11 T23 GRFC7_GPIO10 GRFC8_GPIO11 B4 GRFC9_GPIO12 D5 T19 GRFX6_GPIO9 GPIO66 F8 H17 GP_PDM1_PA_RAN_GE0 GP_PDM2_PA_RAN_GE1 D17 GRFC0_GPIO3 B8 GRFC1_AUX_SBDT_GPIO4 A8 GRFC2_GPIO5 D9 F10 GRFC3_GPIO6 H10 GPIO28 A6 GPIO43 H9 DAC_REF F12 CAMCLK_PO_GP_MN_GPIO13 K19 AUX_PCM_C...

Page 45: ...he others TRK_LO_ADJ TCXO 19 2M Control PA_ON WCDMA 2100 TX Power Amp Enable ANT_SEL 0 2 Ant Switch Module Mode Selection WCDMA GSM Tx Rx DCS PCS Tx Rx GSM_PA_BAND GSM DCS PCS Band Selection of Power Amp GSM_PA_RAMP Power Amp Gain Control of APC_IC GSM_PA_EN Power Amp Gain Control Enable of APC_IC 3 TECHNICAL BRIEF 46 ...

Page 46: ... signals are connected to ESM 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 47 GPIO_Map Name Note GPIO_96 UART_RXD Data_Rx GPIO_95 UART_TXD Data_Tx Table UART Interface ESM6270 PM6635 SIM SIM CLK SIM Reset SIM Data SIM Data SIM Reset SIM CLK VREG_UIM 2 85V Figure SI...

Page 47: ...f operation namely low speed 1 5 Mbps and full speed 12 Mbps both of which are supported by the ESM6270 3 TECHNICAL BRIEF 48 N26 USB_DAT_VP USB_OE_TP_N N25 N23 USB_SE0_VM M16 H14 MMC_CMD_GPIO30 MMC_DATA_SDCC_DAT0_GPIO32 L14 D6 GPIO40 GPIO42 D7 PM_INT_N PS_HOLD USB_SE0 USB_DAT USB_OE_N MSM_MICROSD_CMD MSM_MICROSD_DATA 0 USB_D_M 20 GP1_DRV_N MPP7 21 12 USB_OE_N 13 VSW_5V 14 USB_CTL_N 15 USB_VBUS 16 ...

Page 48: ...d to the input of the internal HKADC LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 49 Figure ESM6270HKADC Block diagram Table HKADC channel table Channel Signal Note HKADC0 AMUX_OUT RF PAM Temperature Check HKADC1 VBATT_SENSE Battery voltage level HKADC2 REF_ADC ADC Reference voltage HKADC3 TTY_ADC_DET Ear jack D...

Page 49: ...y buttons Shows the Key Matrix Keypad circuit END Key is connected to PMIC PM6635 3 TECHNICAL BRIEF 50 Table Key Matrix Mapping Table COL 0 COL 1 ROW 0 Lock Capture ROW 1 AF ROW 2 SEND CLR CLR SEND 701 700 51K R701 EVLC14S02050 VA701 EVLC14S02050 VA702 VA703 EVLC14S02050 KEY_ROW 2 VREG_MSMP_2 7V KEY_COL 0 KEY_COL 1 Figure Main Keypad Circuit ...

Page 50: ...Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 51 ON_SW KEY END END VA700 EVL14K02200 PM_ON_SW_N Figure END Keypad Circuit LOCK KEY FOCUS CAMERA SW900 900 KEY_ROW 1 KEY_ROW 0 KEY_COL 0 KEY_COL 1 Figure Side Keypad Circuit ...

Page 51: ...1 10p 10 R602 VA600 ICVL0518100Y500FR C602 1u C600 10u C601 0 1u C612 10p 10 R601 23 24 C610 10p 6 7 8 9 16 25 26 27 28 29 30 17 18 19 20 21 22 CN600 1 10 11 12 13 14 15 2 3 4 5 33 R607 CAM_VDD_SD_1 8V 10 R604 10p C613 0 1u C609 10 R608 C605 0 1u ICVL0518100Y500FR VA601 0 1u VA602 EVLC18S02015 C614 R603 10 CAM_VDD_CORE_1 2V MMP_CAM_PCLK 5M_CAM_DATA 0 5M_CAM_DATA 1 5M_CAM_DATA 2 5M_CAM_DATA 3 5M_CA...

Page 52: ...Active HiZ I2 C Serial Bus Data I O 7 VDD_SA 2 8V Voltage Supply Sensor Analog 8 VSYNC O Low HiZ HiZ Vertical Synchronization Signal 9 VDD_IO 2 8or1 8V Voltage Supply I O 10 HSYNC O Low HiZ HiZ Horizontal Synchronization Signal 11 TRIG O Low Low Low Interrupt Line Signal 12 XRST I System Reset 13 GND Ground 14 STRB O Low Low Low LED Xenon Strobe Contol 15 D 7 O Low HiZ HiZ Digital Video Data MSB 1...

Page 53: ...ed into Red Green and Blue sub pixels and dots which are arranged in vertical stripes Features Display mode Main LCD Normally Black Transmissive VA mode 265K colors LCD Driver IC LS030B3UX01 Magnachip Driving Method A Si TFT Active Matrix 16 bit CPU interface Parallel 3 TECHNICAL BRIEF 54 EBI2_OE_N EBI2_WE_N EBI2_ADDR 11 EBI2_DATA 0 15 MMP_CS_N LCD_RESET_N LCD_MAKER_ID LCD_IF_MODE MMP_LCD_CS_N MMP...

Page 54: ...LCD_DATA 9 LCD_DATA 10 LCD_DATA 11 LCD_DATA 12 LCD_DATA 13 WLED_1 WLED_3 MMP_LCD_ADS MMP_LCD_CS_N LCD_RESET_N MMP_LCD_RD_N FL303 ICVE10184E150R500FR G1 5 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 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_B4 ICVE10184E150R500FR FL302 INOUT_A3 3 4 INOUT_A4 9 INO...

Page 55: ...ame format and delivered to RF Chipset The downlink path amplifies the signal from DBB chip ESM6270 and outputs it to receiver 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 driv...

Page 56: ... C235 AF20 MIC1N AE20 MIC1P MIC2N AF21 MIC2P AF22 T15 MICBIAS AC21 LINE_L_IN LINE_L_IP AC22 LINE_ON AC18 AC17 LINE_OP LINE_R_IN AC20 AC19 LINE_R_IP W17 HPH_L HPH_R AA17 AA19 HPH_VREF EAR1ON AF18 EAR1OP AE18 AA20 CCOMP AF19 AUXIP AE19 AA18 AUXOUT AUXIN C236 0 1u 10p C200 L200 100nH HP_R HP_L RCV RCV MICBIAS SPK_L SPK_R MIC1P MIC1N MIC2P Figure Audio part schematics ...

Page 57: ...vice purposes MIC 10u C563 NA C569 33p C575 47p C564 2 G1 3 G2 1 O 4 P SPM0204HE5 PB 3 MIC500 22n C568 22n C567 10p C576 MICBIAS MIC1P MIC1N Headset Hook Switch R905 10K VREG_MSMP_2 7V R907 5 1K C905 0 1u 100K R906 1M R904 U902 NCS2200SQ2T2G 2 GND 1 OUT VCC 5 3 VIN VIN 4 HOOK_SENSE_N EAR_MIC_P Figure Audio part schematics ...

Page 58: ... VMID AVDD2 26 8 BCLK 15 CSB_GPIO1 DACDAT 10 DBVDD 14 DCVDD 13 12 DGND L2_GPIO2 3 LIN 2 1 LIP LOUT1 30 25 LOUT2 7 LRC 11 MCLK MICBIAS 32 18 MODE WM8983 U502 ADCDAT 9 28 AGND1 24 AGND2 AUXL 19 AUXR 20 31 AVDD1 4 7u C520 C519 0 1u 4 7n C533 R511 18K R533 0 NA C544 MIC_PWR MMP_A_MCLK CODEC_I2C_SCL CODEC_I2C_SDA HP_R HP_L MIC2P HP_EAR_R MID_MICP SPK_L SPK_R FM_AUDIO_L FM_AUDIO_R MMP_A_BCLK MMP_ADO_DAC...

Page 59: ... Mode MIDI Speaker Phone Loud Mode Headset Voice Call Headset Speaker Phone Loud Mode Speaker phone Receiver Voice Call Description Receiver Mode Voice Call Device MODE Table Audio Mode 42 dB microphone SPOB 413S42 RC3310BC CAM MIC 7 32 ohm receiver EMR0906SP Receiver 5 8 ohm Speaker EMS1634APB1 Speaker 4 42 dB microphone SPM0204HE5 PB Main MIC 6 Ear MIC HC MQD LG059 Ear MIC 8 Analog Switch for MI...

Page 60: ...ormat with MP3 audio Player for general DivX content up to 30 fps CIF resolution MP3 or WMA audio 3GPP MMS compliant video clip recorder supporting CIF QCIF H 263 MPEG4 recording with AMR voice or AAC audio Player for 3GPP MMS streaming video clips up to 30 fps CIF H 263 MPEG4 and H 264 with AMR voice or AAC Enhanced AACPlus audio 3GPP compliant videophone with H 263 or MPEG4 video at QCIF 15 fps ...

Page 61: ... Bilinear and Trilinear texturing Multi texturing Flat and Gourard shading 24 bit ARGB support Compressed textures 2 bits texel Mipmaping Full scene anti aliasing x4 x16 16 bit Z buffer 4 bit stencil buffer Fog Alpha blending Dot3 bump mapping Fill rate 120M pixels sec Polygon rate 0 8M triangles sec 3 10 5 Image Sensor 10 12 14 16 bit RGB Bayer Grid CMOS up to 5MP CCD up to 5MP Pixel clock Up to ...

Page 62: ... in 16 steps 3 10 6 LCD Port Output resolution up to VGA Supports dual panels two LCDs Bypass from Host port to LCD CPU bus Up to 18 bit color depth 262K colors CPU bus 8 9 16 18 bit compliant to all known vendors RGB bus 3 6 18 bit up to 30Mhz clock 3 10 7 TV out Port Composite analog interface NTSC M PAL B D G H I 3 10 8 Video and Graphics Postprocessing Handles Video YUV and Graphic RGB Video d...

Page 63: ... 8 11 025 16 22 05 24 32 44 1 or 48 kHz 3 10 10 Serial Data Ports I2C Multiple device support 100 and 400 kHz UART with flow control up to 3Mb sec SPI port with Bit clock up to 40 MHz Motorola National microwire TI synchronous serial interface 3 10 11 Mass Storage High speed SD MMC I F NAND flash storage SPI flash CE ATA HDD SDIO peripherals 3 10 12 USB USB 2 0 High speed full speed USB On The Go ...

Page 64: ...s control Embedded crystal oscillator 12Mhz Optional GPS TCXO Four configurable clock out pins to drive external components e g Audio codec Sensor PWM 3 10 15 Boot Host boot Standalone boot 3 10 16 Debug JTAG for code debug UART for fast system ramp up 3 10 17 Power Very low power consumption smaller than150mW for all intense multimedia applications Low power sleep mode 100 µW Host can control dis...

Page 65: ...p the host CCD CMOS Image Sensor for capturing video and still LCD panel s for displaying video Audio CODEC A2D D2A for capturing voice and playing voice music Media Flash SmartMedia NANDFlash MMC or SD to store media data two active I F e g one NAND and one SD Connector to TV LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3...

Page 66: ...0 R311 R313 NA L12 L13 NCSN M13 NALE NCLE HRDN B7 B9 HWRN A12 B11 HD12 HD13 A11 C9 HD14 HD15 B10 C12 HD2 HD3 C13 HD4 C14 B14 HD5 C11 HD6 HD7 B13 HD8 A14 A13 HD9 A7 HGINTN HA11 A10 A9 HA12 HA13 C8 HA14 C7 B8 HCS0N A8 HCS1N D12 HD0 C10 HD1 HD10 B12 HD11 VREG_MSMP_2 7V MMP_CS_N MMP_INT_N NAND_ALE EBI2_ADDR 11 EBI2_ADDR 13 EBI2_ADDR 14 EBI2_DATA 0 15 EBI2_DATA 15 EBI2_DATA 14 EBI2_DATA 13 EBI2_DATA 12...

Page 67: ...wo LCD panels even when the ZR3453X is in sleep mode This is the default mode 3 11 3 Camera interface ZR3453X connects with the CCD or CMOS Image Sensor CIS via its image sensor port ZR3453X supports several system configurations CCD bayer 10 12 14 16 bit ZR34532 only CMOS bayer 10 12 14 16 bit YCbCr 8 bit YCbCr 8 bit with pixel valid YCbCr 16 bit LGE Internal Use Only Copyright 2008 LG Electronic...

Page 68: ...ll right reserved Only for training and service purposes Block Diagram TP300 TP301 VIDI N12 VIDJ N7 L8 VIDK VIDL P13 VIDM L9 N13 VIDN M11 VIDO VIDP M9 LD15 LD16 D3 D1 LD17 LD2 B6 B4 LD3 A4 LD4 LD5 C3 LD6 A3 A2 LD7 LD8 A1 B2 LD9 LHS E4 D5 LRDN LVS E3 LWRN C4 LA0 D4 E2 LACT E1 LCK LCS0N A6 D2 LCS1N B5 LD0 LD1 A5 B1 LD10 LD11 B3 C1 LD12 C2 LD13 LD14 C5 C6 MMP_LCD_CS_N MMP_LCD_ADS MMP_LCD_RD_N MMP_LCD...

Page 69: ...e host controls the codec configuration via I2C bus directly The host codec analog audio output is connected to the external audio codec and muxed with the codec audio path from the ZR3453X on the way is to the speaker The microphone is connected to the external audio codec and the baseband internal codec ZR3453X appears in Figure 3 11 as a master on the bit clock and frame sync This is only one o...

Page 70: ...eed Host mode only data transmission rates Control 4 endpoints EP0 two way Control 2 input 2 output Bulk INT or ISO Suspend resume reset and SOF signaling 3 11 8 MMC interface LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 1 3 4K 0 R335 HSD2 10 SEL VCC 9 _OE 8 U304 FSUSB30UMX 3 D 5 D 4 GND HSD1 1 HSD1 7 HSD2 2 6 C336 0 01u R345 100...

Page 71: ...Multiple cards support if dual voltage or high speed interface are not used Up to 43 MHz bit clock SD 1 or 4 bit bus support High Speed SD up to 43 MHz bit clock 3 11 9 Power Domain LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 33 R312 VVS P12 VMCLK VPCLK P10 K12 VHREF M12 SCLK SCMD H2 F1 SDAT0 F2 SDAT1 E5 SDAT2 SDAT3 F3 SWP G3 G1...

Page 72: ...CTOR X Y X Y TOUCH_I2C_SDA TSC2007 TOUCH_I2C_SCL TOUCH_PENIRQ_N ESM6270 MSM6280 TOUCH CONNECTOR X Y X Y TOUCH_I2C_SDA TSC2007 TOUCH_I2C_SCL TOUCH_PENIRQ_N ESM6270 M21 M19 UART3_DP_TX_DATA_GPIO84 UART2_CTS_N_GPIO90 G6 E4 UART2_DP_TX_DATA_GPIO88 F4 UART2_RFR_N_GPIO91 UART3_CTS_N_GPIO86 L23 UART3_DP_RX_DATA_GPIO85 F14 F7 GPIO39 D6 GPIO64 TP200 TOUCH_PENIRQ_N TOUCH_I2C_SDA CAM_MODE2_N TOUCH_I2C_SCL US...

Page 73: ... Stereo Headset Loud Speaker phone 64 Poly Sound Audio MP3 AAC AAC AAC WMA WAV MPEG4 encoder decoder and play save H 263 decoder Video Recording VGA 30 fps JPEG en decoder Support Bluetooth USB FM Radio touch screen touch feedback 103 5 x 54 4 x 14 8 mm 1000mAh soft pack LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 74: ...f KE990 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LCD MAIN Bottom Si de MAIN Top Side 5M camera Touc h FPCB Bottom Intenna Strobe Flash Sub Top Side 5M Camera FPCB Sub Botto m Side Touc h FPCB Top ...

Page 75: ... U700 U505 Reference Description Reference Description U103 FM Radio IC 700 Send Key U504 Headphone AMP IC 701 Clear Key U506 CAM HP MIC SEL IC END End Key U503 Audio AMP LDO SideKey Side Key FPCB U507 USB REMOCON SEL IC U303 DC DC CONVERTOR U304 Switch IC for USB2 0 U300 LDO U505 U301 LCD Backlight Charge Pump IC U702 U700 Touch Screen Driver IC U601 U400 U602 U401 Over Voltage Protection IC 5M C...

Page 76: ...600 Mode Switch U502 WM8983 Audio DAC ADC AMP IC U606 Linear Motor Driver IC CN603 Main Sub B to B Connector U603 U501 PM6635 PMIC U605 X500 32 768KHz Crystal Oscillator CN600 5M CAM FPCB Connector U500 Charging IC CN601 Strobe Flash Connector OUT PAD Battery Connector PAD CN300 LCD Connector U402 Memory IC U701 DC DC Converter IC X100 19 2MHz Crystal Oscillator for TCXO U200 ESM6270 Modem IC U101...

Page 77: ...ption BT PAD Bluetooth Antenna PAD SPEAKER Module Speaker MIC900 CAM MIC S800 T Flash Connector U900 U903 U901 U904 U800 Hall IC for Camera Cover Detection CN801 Main Sub B to B Connector M800 Bluetooth Driver IC BAT900 Backup Battery U902 Headset Hook Switch IC 5MP Camera Power IC Hall IC for Wheel Switch Detection S800 SPEAKER U902 U900 BT PAD MIC900 CN801 BAT900 M800 U903 U901 U800 U904 ...

Page 78: ... 2008 LG Electronics Inc All right reserved Only for training and service purposes Reference Description Reference Description Vibrator Vibrator PAD Main B to B Connector Receiver Receiver PAD CN101 FPCB to Main PCB CN102 Touch Window Connector CN101 Receiver Vibrator CN102 ...

Page 79: ...Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 14 1 5 5M Camera FPCB CN602 CN601 Reference Description Reference Description CN601 5M Camera Module CN602 Main PCB Connector Connector FPCB to Main PCB ...

Page 80: ... 2008 LG Electronics Inc All right reserved Only for training and service purposes FL100 SW100 U100 FL101 X100 U101 Reference Description Reference Description U100 GSM Transceiver RTR X100 VCTCXO 19 2MHz FL100 Front End Module U101 GSM EDGE PAM SW100 RF Antenna Connector FL101 GSM900 TX SAW ...

Page 81: ...ain Component 4 2 1 GSM PATH LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes COMMON TX RX P ATH DCS PCS TXP ATH GSM TX P ATH GSM RX P ATH PCS RX P ATH DCS RX P ATH ...

Page 82: ...ncy 19 2MHz from X100 VCXO is used UMTS TX part GSM part and BB part TCXO 0 01u C141 1000p C145 X100 2 GND OUT 3 VCC 4 VCONT 1 19 2MHz U102 TC7SH04FS C144 1000p 0 1u C139 1000p C140 100K R120 C147 1000p C148 8200p 100ohm R115 TRK_LO_ADJ VREG_TCXO_2 85V TCXO_BT VREG_BT_2 85V TCXO_PM RTR6275_TCXO Schematic of the TCXO Block TP1 TP2 TP3 TP4 Test Point of the TCXO Blcok TP1 TP2 TP4 TP3 ...

Page 83: ... th Oscil scil loscope loscope 19 2 19 2MHz Hz Si Signal nal VCXO VCXO is OK s OK Check Check ot other part her part Che Check k PM PMIC Che Check MSM k MSM Check Check soldering soldering an and c d components ents Ye Yes Ye Yes Ye Yes No No No No No No Check TP1 VCC of VCXO VCC 2 8V Check TP2 TRK_LO_AD J 3V Volta e 0V Check TP3 TP4 With Oscil loscope 19 2MHz Si nal VCXO is OK Check other part Ch...

Page 84: ...M1800_RX1 GSM1800_RX2 6 7 GSM1900_RX1 GSM1900_RX2 8 17 GSM850_900_TX 1 GSM850_RX1 GSM850_RX2 2 3 GSM900_RX1 GSM900_RX2 4 NC1 23 NC2 24 VC1 19 20 VC2 VDD 21 ANT 11 9 GND1 10 GND2 GND3 12 13 GND4 14 GND5 16 GND6 GND7 18 GND8 22 GSM1800_1900_TX FL100 LMSP43QA 538 C113 1000p ANT_SEL1 ANT_SEL0 VREG_RF_SMPS Schematic of the Front End Module Block TP2 TP1 TP3 Test Point of Front End Module Block TP1 TP3 ...

Page 85: ...UBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TP3 TP3 Vc3 TP2 TP2 Vc2 TP1 TP1 Vc1 TP2 TP2 Vc2 TP3 TP3 Vc3 TP1 TP1 Vc1 TP2 TP2 Vc2 TP3 TP3 Vc3 TP1 TP1 Vc1 TP2 TP2 Vc2 TP3 TP3 Vc3 TP1 TP1 Vc1 Logic Table of the FEM DCS1800 PCS1900 Tx DCS1800 PCS1900 Rx GSM900 Tx GSM900 Rx ...

Page 86: ...power source LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Check Sol dering ANT_SEL0 1 High Level 2 5V Voltgae 3 0V Check VDD TP3 VREG_RF_SMPS Check the Logic in each m ode YES NO ...

Page 87: ...Front End Module Refer to chapter 3 4 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes START 1 Check Front End M oduleBlock 2 Check RF Tx Level 3 Check RF Rx Level 4 Redownload SW Cali bration 2 3 1 ...

Page 88: ...0_RX1 GSM1900_RX2 8 17 GSM850_900_TX 1 GSM850_RX1 GSM850_RX2 2 3 GSM900_RX1 GSM900_RX2 4 NC1 23 NC2 24 VC1 19 20 VC2 VDD 21 ANT 11 9 GND1 10 GND2 GND3 12 13 GND4 14 GND5 16 GND6 GND7 18 GND8 22 GSM1800_1900_TX FL100 LMSP43QA 538 C113 1000p 14 GND6 GND7 16 17 GND8 7 GSM_IN 9 GSM_OUT 3 TX_EN VBATT 4 12 VCC VRAMP 6 TQM7M5003 U101 2 BS DCS_PCS_IN 1 DCS_PCS_OUT 15 5 GND1 GND2 8 10 GND3 11 GND4 13 GND5 ...

Page 89: ... dBm If DCS PCS over 28dBm Check TP2 TP3 If TP2 over 29dBm If TP3 over 25dBm Check PAM Block OK Refer to chapter3 5 3 Check Soldering of PAM U10 1 If problem still exist replacethe PAM Change the Boa rd Problem resolved Yes Yes Yes Yes No No No No GSM DCS PCS Tx isOK Check other part Check Front End Module Refer to chapter3 4 Check the RTR 623 5 GSM DCS PCS Tx isOK ...

Page 90: ... 68p C143 100 R113 100 R112 14 GND6 GND7 16 17 GND8 7 GSM_IN 9 GSM_OUT 3 TX_EN VBATT 4 12 VCC VRAMP 6 TQM7M5003 U101 2 BS DCS_PCS_IN 1 DCS_PCS_OUT 15 5 GND1 GND2 8 10 GND3 11 GND4 13 GND5 R117 2 2K 68 R111 VPWR GSM_PA_RAMP GSM_PA_EN DCS_PCS_TX GSM_TX GSM_PA_BAND Schematic of PAM Block TP1 TP2 TP3 Test Point of PAM Block Test Point Net name Description TP1 GSM_PA_RAMP Power Amp Gain Control Typical...

Page 91: ...7nH C719 22nH L111 NA 18nH L104 L109 NA 6 8nH L106 NA C718 15 5 GSM1800_RX1 GSM1800_RX2 6 7 GSM1900_RX1 GSM1900_RX2 8 17 GSM850_900_TX 1 GSM850_RX1 GSM850_RX2 2 3 GSM900_RX1 GSM900_RX2 4 NC1 23 NC2 24 VC1 19 20 VC2 VDD 21 ANT 11 9 GND1 10 GND2 GND3 12 13 GND4 14 GND5 16 GND6 GND7 18 GND8 22 GSM1800_1900_TX FL100 LMSP43QA 538 12nH L107 L105 6 8nH Schematic of GSM 900 DCS 1800 PCS 1900 Rx Block TP1 ...

Page 92: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes START TP1 TP2 TP3 Signalsexist Rxstill hasproblem Re download Calibration Yes Yes No No Check Front End Module Soldering of TPs GSM 900 DCS 1800 PCS 1900Rx isOK ...

Page 93: ... up PON_RESET_N assert to MSM Phone booting PS_HOLD D500 assert High to PMIC PM6635 2M 4 TROUBLE SHOOTING 94 Start Battery voltg higher than 3 2V Press PW R key Keypad LED on VA700 high to low when key press VREG_MSMC_1 2V VREG_MSMP_2 7V VREG_MSME_1 8V VREG_TCXO_2 85V VR Power up EG_MSMA_2 6V Is clock ok X100 19 2M X500 32 768Khz Chang e the Main board Change or charging the Batt ery Follow the LE...

Page 94: ... LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 95 VREG_MSMC_1 2V C560 VREG_MSME_1 8V R520 TCXO 19 2MHz VREG_MSMP_2 7V R513 VREG_MSMA_2 6V R508 VREG_TCXO_2 75V C510 SLEEP CRYSTAL 32 768KHz ...

Page 96: ... to KE990 USB_VBUS C540 go to 5V USB_D VA202 go to 3 3V 48M Crystal on USB_DATA is triggered USB work Start USB_VBUS is about to 5V USB_D is about to 3 3V 48MHz is r un Chang e the Main bo ard Check C540 R514 U500 USB cable Check VA50 0 U507 U304 Check X200 NO YES YES YES NO NO Cable is insert YES Cable inser t NO X200 48MHz C540 USB_VBUS U507 USB_D R514 USB_VBUS U500 USB_VBUS VA500 USB_D U304 USB...

Page 97: ...EG_5V R335 UMS go to 5V VREG_USB_3 3V R301 go to 3 3V USB_DATA is triggered USB work 4 TROUBLE SHOOTING 98 Start VREG_5V is about to 5V VREG_USB_3 3V is about to 3 3V MICRO SD function OK Change the Main board Check R335 D501 Check R301 C529 USB CABLE Follow the micro sd trouble NO YES YES YES NO NO Cable is insert YES Cable insert NO C529 VREG_USB_3 3V D501 VREG_5V TOP SIDE R335 VREG_5V R301 VREG...

Page 98: ...chnical brief LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 99 Start Work well VREG_SIM_3 0V is 3 0V SIM_P_CLK is run Change the Main board End Check J40 0 D400 C552 Yes No YES NO Re inser t the SIM card Change SIM card Work well End Yes No SIM_P_RST_N C552 VREG_SIM_3 0V J400 SIM_P_CLK SIM_P_DATA ...

Page 99: ...ght 2008 LG Electronics Inc All right reserved Only for training and service purposes Check t he R701 R705 R706 with no key press Chang e the Main bo ard Yes NO Chang e the DOME SHEET Check the R701 R705 R706 with key press ROW 0 2 is 2 7V Check R701 R705 R706 NO Yes ROW 0 2 COL 0 1 is 0V Work w ell End START Check VA700 VA707 R707 R710 NO YES NO Chang e SIDE KEY Work w ell NO Work w ell YES YES N...

Page 100: ...VA703 EVLC14S02050 KEY_ROW 2 VREG_MSMP_2 7V KEY_COL 0 KEY_COL 1 ON_SW KEY END END VA700 EVL14K02200 PM_ON_SW_N SIDE KEY VREG_MSMP_2 7V R705 51K R706 51K 470 R707 470 R710 R709 470 EVLC14S02050 VA704 EVLC14S02050 VA707 EVLC14S02050 VA706 EVLC14S02050 VA705 1 2 3 4 5 CN700 KEY_ROW 0 KEY_ROW 1 KEY_COL 1 KEY_COL 0 R708 470 Schematic of key sense part LOCK SHOT VA702 COL0 SEND VA703 COL1 VA701 ROW2 CLR...

Page 101: ...Key pressing PM6635 KYPD_LED_EN go to Low LED On Key Pad LED controlled by PM6635 Start Check de vice short LD700 705 and R711 716 Main NO Yes Key press Signal KY PD_LED_EN is Lo w VPWR is OK Chang e the main bo ard NO Yes Yes Check de vice open LD700 705 and R711 716 Main NO Some LED is not work Work w ell Yes Chang e the main bo ard NO End LD700 705 Main LD703 VPWR VA708 KYPD_LED_EN R711 716 Mai...

Page 102: ... SHOOTING 103 Rev 1 1 WHITE RED GREEN 200 R714 LD700 SSC TWH104 HL 47 R713 LEGG S14G LD702 SSC TWH104 HL LD704 SSC FR104 II1 LD701 SSC FR104 II1 LD703 R711 47 LEGG S14G LD705 R716 47 47 R715 200 VPWR R712 VA708 EVL14K02200 KYPD_LED_EN Schematic of keypad backlight part LD703 VPWR LD700 705 and R711 716 Main VA708 KYPD_LED_N ...

Page 103: ...cro SD is worked as below Micro SD insertion MICROSD_DETECT R804 goes to low go working 4 TROUBLE SHOOTING 104 MICROSD_DETECT R804 is low Insert the Micr o SD Card Start End Check VREG_MMC_3 0V is o ver 2 85V Work w ell YES NO SOCKET R804 DETECT YES Change the SUB b oard Work w ell YES NO NO Change the MAIN board YES NO C807 VREG_MMC_3 0V ...

Page 104: ...dio trouble 4 11 1 Receiver path Voice Receiver path as below ESM6270 Ear1ON Ear1OP CN701 Touch FPCB connector Receiver Start Conne ct th e phone to n etwork Equipm ent and setup c all Setup 1KHz tone out Can you hea r the ton e YES END Check c onnector pin or change the Touch FPCB YES Change the Receiv er Hear the tone to the receiv er NO END ...

Page 105: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 106 Touch F PCB conn ector Receiv er Receiv er pads ESM6270 ...

Page 106: ...N500 headset Jack Start The sine wave appear at C548 C549 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out And inse rt head_Set The sine wave appear at C578 C562 YES Check t he U502 or change the Main b d NO Can you hear the tone NO YES YES END Headset insertion detection in the Main LCD Display OK Check 8 pin of CN500 or change the Main b d NO YES...

Page 107: ...rved Only for training and service purposes 4 TROUBLE SHOOTING 108 CN500 R524 R525 FB504 2 21 3 4 5 6 7 8 9 CN500 1 10 11 12 13 14 19 R528 100 TV_OUT EAR_MIC_P RMT_INT USB_D RMT_ADC USB_D RMT_PWR_ON_N VBATT FM_ANT MIDI_EAR_L MIDI_EAR_R EAR_SENSE_N Schematic of voice path ...

Page 108: ...21 OUT4 33 PGND R2_GPIO3 6 RIN 5 4 RIP ROUT1 29 ROUT2 23 16 SCLK SDIN 17 27 VMID AVDD2 26 8 BCLK 15 CSB_GPIO1 DACDAT 10 DBVDD 14 DCVDD 13 12 DGND L2_GPIO2 3 LIN 2 1 LIP LOUT1 30 25 LOUT2 7 LRC 11 MCLK MICBIAS 32 18 MODE WM8983 U502 ADCDAT 9 28 AGND1 24 AGND2 AUXL 19 AUXR 20 31 AVDD1 4 7u C520 C519 0 1u 4 7n C533 R511 18K R533 0 NA C544 MIC_PWR MMP_A_MCLK CODEC_I2C_SCL CODEC_I2C_SDA HP_R HP_L MIC2P...

Page 109: ...5 1u C566 0 22u C562 R524 68 5 PVSS P_G 17 SGND 6 13 SVDD1 9 SVDD2 11 SVSS 16 _SHDN U504 MAX9722BETE C1N 4 2 C1P INL 15 INL_ 14 7 INR INR_ 8 OUTL 12 OUTR 10 3 PGND PVDD 1 C577 1u 15K R529 1u C570 C574 PRSB6 8C PRSB6 8C C573 R525 68 600 FB503 FB502 600 C578 0 22u R522 15K MIDI_EAR_L MIDI_EAR_R MIDI_3 3V HP_AMP_EN HP_EAR_L HP_EAR_R Schematic of voice path FB502 U504 R529 C578 R524 R522 C562 ...

Page 110: ...U502 audio codec FB500 FB501 CN603 B ØtoB connector OUT800 OUT801 SPK PAD Speaker Start The sine wave appear at C532 C541 Chang e the Main bo ard NO Conne ct th e phone to network Equipm ent and setup call Setup 1KHz tone out Set phon e with sp eaker phone mode The sine wave appear at FB500 FB501 YES Check t he U502 or Chang e the Main bo ard NO Check t he CN603 NO YES YES Can you hea r the ton e ...

Page 111: ...ROSD_DATA 0 MICROSD_CMD CAM_VDD_AF_2 7V CAM_MIC WHEEL_SW_L WHEEL_SW_R CAM_VDD_SD_1 8V V_BACK_UP TCXO_BT BT_TX_RX_N BT_SBST BT_SBCK BT_SBDT BT_CLK BT_DATA MICROSD_DATA 3 MICROSD_DATA 2 MICROSD_DATA 1 C530 12n 18K R517 FB501 FB500 4 7n C542 NA C531 1u C534 C524 0 1u 1K R516 R510 1K 1u C541 1u C536 1u C539 12n C547 10u C525 C543 NA 1u C535 C532 1u OUT3 22 21 OUT4 R2_GPIO3 6 RIN 5 4 RIP ROUT1 29 ROUT2...

Page 112: ...E Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 113 ESM Pads of Speaker C722 CN603 U502 audio codec C532 C541 FB500 FB501 ...

Page 113: ...00 22n C568 22n C567 10p C576 MICBIAS MIC1P MIC1N MSM pin W18 CODEC VSS 10 Place near 0 1u C235 AF20 MIC1N AE20 MIC1P MIC2N AF21 MIC2P AF22 AC21 LINE_L_IN LINE_L_IP AC22 LINE_R_IN AC20 AC19 LINE_R_IP AA20 CCOMP AF19 AUXIP AE19 AUXIN C236 0 1u 10p C200 0 1u C238 C237 NA NA C204 C203 NA MIC1P MIC1N Can you s coping some sound signal at C567 C568 Change the MIC or Change the Main Bíd NO YES YES make ...

Page 115: ...he Main B d NO NO YES FB504 2 21 3 4 5 6 7 8 9 CN500 1 10 11 12 13 14 19 R528 100K TV_OUT EAR_MIC_P RMT_INT USB_D RMT_ADC USB_D RMT_PWR_ON_N VBATT FM_ANT MIDI_EAR_L MIDI_EAR_R EAR_SENSE_N FB501 FB500 NA C531 1u C534 C524 0 1u 1u C539 10u C525 C543 NA OUT3 22 21 OUT4 R2_GPIO3 6 RIN 5 4 RIP ROUT1 29 ROUT2 23 16 27 VMID 8 BCLK 15 CSB_GPIO1 DACDAT 10 L2_GPIO2 3 LIN 2 1 LIP LOUT1 30 25 LOUT2 7 LRC 11 M...

Page 116: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 117 8 pin of ear connector to check EAR_SENSE_N C535 ESM ...

Page 117: ...2V CAM_VDD_AF_2 7V CAM_VDD_SA_2 7V CAM_VDD_IO_2 7V CAM_VDD_SD_1 8V No Camera is OK Check the ca mera conn and reconnect the camera Change the LDO U601 U602 U701 U900 U901 Camera is OK Check MMP_CAM_PCLK Chang e the camera Yes NO NO Yes CN600 Chang e the Main bo ard End Yes End NO 5M START ZORAN outp ut sign al check MMP_CAM_RESET_N MMP_CAM_PWR_EN Yes NO Check master clock 5M_CAM_MCLK CN600 Yes Cha...

Page 118: ...nics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 119 MMP_CAM_RESET_N MMP_CAM_PWR_EN CAM_VDD_CORE_1 2V CAM_VDD_SA_2 7V CAM_VDD_IO_2 7V CAM_VDD_SD_1 8V CAM_VDD_AF_2 7V FL600 FL601 MMP_CAM_PCLK 5M_CAM_MCLK U604 U607 ...

Page 119: ... R603 10 CAM_VDD_CORE_1 2V MMP_CAM_PCLK 5M_CAM_DATA 0 5M_CAM_DATA 1 5M_CAM_DATA 2 5M_CAM_DATA 3 5M_CAM_DATA 4 5M_CAM_DATA 5 5M_CAM_DATA 6 5M_CAM_DATA 7 MMP_CAM_RESET_N MMP_CAM_INT MMP_CAM_HSYNC MMP_CAM_VSYNC MMP_I2C_SDA MMP_I2C_SCL MMP_CAM_MCLK STROBE_TRIGGER Schematic of 5M camera part ICVE10184E070R100FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 INOUT_B1 9 INOUT_B2 8 7 INOUT_B3 INOU...

Page 120: ...e ESM6270 Z ORAN Multimedia Chip 40 pin connector CN300 in Main PCB 40 pin connector in LCD Module The LCD works START Press EN D key to turn the p ower on Is the circuit po wered Follo w the Power ON trouble shoo ting LCD di spl ay OK Check L CD_VDD_2 8V LCD_RESET_N LCD_DATA 0 15 in Main BD No Yes Yes No Disconn ect and reconn ect 40 pin B to B conn ector Chang e the Main BD No End Yes Displ ay O...

Page 121: ... 122 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Main BD SUB BD LCD_NRESET LCD_VDD_2 8V LCD_DATA 0 15 ...

Page 122: ..._RD_N FL303 ICVE10184E150R500FR G1 5 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 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_B4 ICVE10184E150R500FR FL302 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL300 ICVE10184E150R500FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 2 3 INOUT_A3 INOUT_...

Page 123: ...14 2 2u 100p C811 TP802 0 R807 1u C803 NA C800 TP800 10K R808 VREG_MSMP_2 7V 0 R800 1000p C801 TP801 C812 0 1u PGND2 18 19 PGND3 PGND4 20 RX_BB_TX_BB 13 SBCK 11 12 SBDT SBST 4 5 SYNC_DET_TX_EN 3 VCC_OUT 14 VDD_BAT VDD_INT 2 VDD_MSM 10 7 XTAL_IN M800 LBRQ 2B43A ANT 16 9 CLK_REF 1 GND1 GND2 6 8 GND3 GND4 15 17 PGND1 BT_GND C813 100p NA L800 BT_CLK BT_SBCK BT_SBDT BT_SBST BT_TX_RX_N TCXO_BT BT_DATA 0...

Page 124: ...es after getting an optimized power LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes M800 BT_ANT BT Antenna TP800 TP801 TP802 BT_GND R800 Set th e blu etooth ON VREG_BT_2 85V and VREG_MSMP_2 7V is asserted Check PMIC U501 Pin 64 XTAL_IN is asserted Check Osc illator X100 And Check B uffer U102 CLK_REF is asserted Check s oldering of ...

Page 125: ...04 go to high Touch operation of KE990 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 Start Work well Conne ctor Is insert Replace the Main board End Insert Connector again Yes No YES NO Touchpad Calibration Replace the Folder Work well End Yes No R702 TOUCH_PENIRQ_N R704 TOUCH_I2C_SDA U7...

Page 126: ...talled Additionally 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 whe...

Page 127: ...poses 5 DOWNLOAD 128 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 ...

Page 128: ...s 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 KE990 KE990c KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 ...

Page 129: ...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 automatically 1 2 3 6 4 5 7 KE990 KE990 KE990 KE990 KE990 KE990...

Page 130: ...er 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 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 default...

Page 131: ... 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 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 ...

Page 132: ...y 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 name in the snapshot KE990 KE990 KE990 KE990 KE990 K...

Page 133: ...eck the box or select the NV file from the LGMDP installation directory by clicking on the Browse button 134 5 DOWNLOAD LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 ...

Page 134: ...ormation 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 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 135: ...ash code 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 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 K...

Page 136: ...icking 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 Original button LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 137: ... KE990 KE990c KE990 KE990c This 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 ...

Page 138: ...90c KE990 KE990c Rebooting 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 ...

Page 139: ...Inc All right reserved Only for training and service purposes 5 DOWNLOAD 140 KE990 KE990c KE990 KE990c KE990 KE990c Downloading Media image in progress Downloading Module image in progress Rebooting handset Downloading process has completed successfully ...

Page 140: ...raining and service purposes 5 DOWNLOAD 141 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 ...

Page 141: ...ergency 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 Port when phone is booted in Emergency mode Clic...

Page 142: ...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 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 ...

Page 143: ...nal 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 KE990 KE990c ...

Page 144: ...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 KE990 KE990c KE990 ...

Page 145: ... 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 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 KE990 ...

Page 146: ... 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 D LGMDP 004400 01 429926 _COM14_ LGMDP folder name IMEI num...

Page 147: ...tion LPF DC Correction 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 Ctls Power Detector GSM1900 Rx BPF GSM1800 Rx BPF GSM850 Rx BPF SW H BPF L BPF G900 Tx BPF pad pad GSM EDGE PA PM6650 Input P ower Ma nagemen t Vo ltag e Reg ulators G enera l Housekeepin g User Interfaces IC Interfaces Pho...

Page 148: ...me Part Name Function Comment FL100 LMSP43QA 538 Front End Module ASM Rx Saw SW100 KMS518 Test Connector Calibration etc X100 TG 5010LH_19_2M VCTCXO 19 2MHz Common U100 RTR6235 RF Transceiver IC TRX M800 LBRQ 2B43A BT RF Tran sceiver BT TRX Bluetooth U101 TQM7M5003 TX Dual PAM TX GSM FL101 EFCH897MTDB1 Tx SAW Filter Tx Table 2 1 RF Block Component ...

Page 149: ...oses ESM6270 TX_IP IM TX_QP QM GSM PAM TQM7M5003 Triquint GSM_PA_BAN D DCS_PCS_TX GSM_PA_EN GSM_TX RF Tranceiver RTR6235 QCT 3 FEM LMSP43QA 538 MURATA DCS_PCS_TX GSM DCS PCS RX ANT_SEL 2 0 GSM_TX GSM _PA_RAMP RX_IP IM RX_QP QM I_IP_CH0 I_IM_CH0 Q_IP_CH0 Q_IM_CH0 I_OUT I_OUT_N Q_OUT Q_OUT_N SSBDT_RTR TX_ON RF_ON Figure 2 2 KE990 KE990c Interface Diagram ...

Page 150: ... GSM 850 RX GSM 850 RX RF Signal DCS RX DCS RX RF Signal PCS RX PCS RX RF Signal TX_I Q I Q for Tx of RF RX_I Q I Q for Rx of RF Control sign al Description Comment GSM PA_CTL signal GSM_PA_BAND DCS or PCS GSM Mode Selection GSM_PA_EN Power Amp Gain Control Enable GSM_PA_RAMP wer Amp Gain Control RF Tranceiv er_CTL sign al TX_ON RF Enable Signal SSBDT_RTR Bidirec tional SSBI Data FEM_CTL signal AN...

Page 152: ...00_RX1 GSM1800_RX2 6 7 GSM1900_RX1 GSM1900_RX2 8 17 GSM850_900_TX 1 GSM850_RX1 GSM850_RX2 2 3 GSM900_RX1 GSM900_RX2 4 NC1 23 NC2 24 VC1 19 20 VC2 VDD 21 ANT 11 9 GND1 10 GND2 GND3 12 13 GND4 14 GND5 16 GND6 GND7 18 GND8 22 GSM1800_1900_TX C158 1u FL100 LMSP43QA 538 1000p C134 TP103 100 0 1u R113 C129 C113 180p C107 1000p C110 12nH 180p L107 47nH L120 100 100ohm R115 R112 14 GND6 GND7 16 17 GND8 7 ...

Page 153: ... R23 KEYSENSE3_N_GPIO47 KEYSENSE4_N_GPIO48 U21 L2 LB1_N_SDRAM1_DQM0 AE10 LB2_N_A2_0 AF14 LCD_CS_N_GPIO38 LCD_EN_GPIO37 GRFC4_AUX_SBCK_GPIO7 GRFC5_AUX_SBST_GPIO8 D11 T23 GRFC7_GPIO10 GRFC8_GPIO11 B4 GRFC9_GPIO12 D5 T19 GRFX6_GPIO9 AD26 GSM_PA_DAC_REF V21 HKAIN0 AA23 HKAIN1 HKAIN2 W21 V19 HKAIN3 HKAIN4 Y21 AB23 HKAIN5 W17 HPH_L HPH_R AA17 AA19 HPH_VREF I2C_SCL_GPIO27 F14 GPIO66 F8 U6 GPIO_67 GPIO_68...

Page 154: ...ND_USBC L5 AGND_USBT K5 AGND_VDAC F12 N4 AMCLK E10 AVDD_PLL AVDD_USBC L4 K4 AVDD_USBT AVDD_VDACI H11 AVDD_VDACP G11 F11 AVSS_PLL GND1 F6 H7 GND10 H8 GND11 H9 ZR3453 U302 M2 ABCLK L3 10p C315 22p C331 51 R315 0 1u C316 1u C328 CAM_VDD_IO_2 7V R320 100K 0 1u 22p C325 C314 C320 VREG_MMC_3 0V VPWR NA R336 100K 1u C337 MMP_VDD_1 9V 22p C322 NA R333 C323 22p R300 0 3 3K R340 CAM_VDD_IO_2 7V 0 1u C310 C3...

Page 155: ...U7 T9 DQ8 DQ9 T10 DQM0 U8 T8 DQM1 V10 DQ10 DQ11 T11 U11 DQ12 DQ13 V11 T12 DQ14 DQ15 U12 P3 DQ16 R3 DQ17 P4 DQ18 DQ19 R4 T5 DQ2 DQ20 P5 R5 DQ21 P6 DQ22 DQ23 R6 DQ24 P9 A2 E3 A3 E2 A4 D12 A5 C12 A6 D11 A7 C11 A8 D10 A9 C10 ALE M3 BA0 C4 BA1 D4 CKE D8 CLE M4 CLK C8 U4 DQ0 T4 DQ1 U402 TYA000BC00HOGG A0 C3 A1 D3 A10 E4 A11 D9 C9 A12 100K R401 R404 0 VREG_MSMP_2 7V 0 1u C408 0 1u C405 33p C400 C407 0 1u...

Page 156: ... VREG_USB_3 3V 4 7u C558 R515 51K 1u C512 NA C569 C510 1u D500 RB521S 30 C546 22p C537 4 7u smd_2520h1_6_r 4 7uH L500 33p C575 C524 0 1u 4 7u C560 47p C505 C564 0 1u 1K R516 C501 0 1u VA500 ULCE0505C015FR 0 1u C556 47K R514 2 20 21 22 3 4 5 6 7 8 9 CN500 1 10 11 12 13 14 15 16 17 18 19 R510 1K 5V_PWR 1u C541 VA507 PRSB6 8C 1u C536 4 7uH L502 C586 47p 22p C545 C553 4 7u 2 2u C518 R528 100K C574 EVL...

Page 157: ...SD_1 8V 10 R604 10p C613 0 1u C609 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 10 R608 ICVE10184E070R100FR FL601 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 4 INOUT_A4 U605 3 GND IN_A 2 IN_B 1 OUT_Y 4 5 VCC R623 680K VREG_MMC_3 0V TC7SZ86FU 51K R613 VBATT C605 0 1u OJ602 OUT611 VA604 EVLC14S02050 VREG_MSMP_2 7V OJ600 VPWR R619 100K R621 470K C616 ICVL0518100Y500FR VA601 1u 2 3 4 5 6 7 8 9 10 11 12...

Page 158: ...8 29 30 17 18 19 20 21 22 23 24 1 10 11 12 13 14 15 2 3 4 5 6 7 8 9 16 CN701 EVLC14S02050 VA704 R711 47 EVLC14S02050 C706 2 2u VA702 EVLC14S02050 VA707 EVLC14S02050 VA706 R704 2 7K VPWR MMP_VDD_CORE_1 0V 2 2u C708 LEGG S14G LD705 R716 47 D3 EVLC14S02050 VA710 A0 B2 C2 A1 AUX A1 D2 GND B1 PENIRQ SCL D1 SDA C1 A2 VDD_REF X A3 X C3 Y B3 Y EVLC14S02050 U700 TSC2007IYZGR END VA705 47 R715 200 VPWR R712...

Page 159: ...3212EELLT T U R810 33p C812 0 1u PGND2 18 19 PGND3 PGND4 20 RX_BB_TX_BB 13 SBCK 11 12 SBDT SBST 4 5 SYNC_DET_TX_EN 3 VCC_OUT 14 VDD_BAT VDD_INT 2 VDD_MSM 10 7 XTAL_IN M800 LBRQ 2B43A ANT 16 9 CLK_REF 1 GND1 GND2 6 8 GND3 GND4 15 17 PGND1 33pC805 C808 33p 33pC806 C349 10p C348 0 1u VREG_MMC_3 0V C810 33p BT_GND 100K R805 CMD_DI COMMON DAT0_DO DAT1_RSV DAT2_RSV DETECT DUMMY1 DUMMY2 VDD VSS C813 S800...

Page 160: ...T C904 1u 1u CAM_VDD_SD_1 8V C903 C901 1u R905 10K VPWR VREG_MSMP_2 7V R907 5 1K C905 0 1u 100K R906 1M R904 U902 NCS2200SQ2T2G 2 GND 1 OUT VCC 5 3 VIN VIN 4 1u R1114D181D 6 CE GND1 2 GND2 5 NC 4 1 VDD VOUT 3 C902 CAM_VDD_AF_2 7V U900 INSTPAR PLW0501H LF ZD900 MIC900 SPOB 413S42 RC3310BC 1 2 VPWR 1u BAT900 C900 V_BACK_UP CAM_MIC MMP_CAM_PWR_EN MMP_CAM_PWR_EN HOOK_SENSE_N EAR_MIC_P 7 CIRCUIT DIAGRA...

Page 161: ...K KEY FOCUS 5 6 7 8 9 10 7 8 9 10 11 12 A B C D CAMERA H 2 3 4 5 SW900 CN 1 900 KEY_ROW 1 KEY_ROW 0 KEY_COL 0 KEY_COL 1 KEY_ROW 0 KEY_ROW 1 KEY_COL 0 KEY_COL 1 7 CIRCUIT DIAGRAM LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 168: ...Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Charge Pump LCD backlight charge pump FM radio IC FM radio operation Headphone AMP Headset operation OVP IC Over voltage protection ...

Page 169: ...power supply Xtal Check the frequency 27MHz RF SW RF IC GSM WCDMA TX RX operation Multi media IC Camcorder Camera operation Baseband and RF IC Check the battery voltage and Outputs of LDOs Rx operation Charging IC Check the TA and bettery Memory IC Check S W download GSM PAM GSM TX amplifier operation FEM RX TX switching selection Xtal Check the frequency 19 2MHz PM IC Power management ...

Page 172: ...served 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 Choose 1 in LOGIC MODE means calibration alone 2 Select the model name KE990 KE998 KE990c or KE990D which you want in list box 3 Click Start button to calibrate a phone Model Name Calibration Only KE990 KE990c ...

Page 173: ...DLL Operating Mode You can set UART Port and logic mode mode 1 Calibration alone You can set Result File s name type If you choose TIME the saved files name is saved in a real time 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 ...

Page 174: ... in center 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 KE990D ...

Page 176: ...5 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 5 4 3 2 1 45 36 35 84 38 37 42 82 80 83 79 78 68 67 66 65 64 69 62 60 15 14 61 58 57 56 7 3 53 51 49 48 47 54 52 50 46 59 70 71 63 72 73 81 77 76 75 74 30 29 25 13 16 10 12 55 11 EXPLODED VIEW REPLACEMENT PART LIST 11 1 EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for...

Page 177: ... 178 A B C D E G H I J K L M M L K J I H G F E D C B A F ASS Y EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 178: ... 78 4 MFBC00 FILTER SPEAKER MFBC0033001 COMPLEX empty Without Color 64 4 MFBD00 FILTER MIKE MFBD0025301 COMPLEX empty Without Color 77 4 MFBD01 FILTER MIKE MFBD0025401 COMPLEX empty Black 65 4 MLAB00 LABEL A S MLAB0001102 C2000 USASV DIA 4 0 White 73 4 MPBH00 PAD MIKE MPBH0032201 COMPLEX empty Without Color 74 4 MPBH01 PAD MIKE MPBH0032301 COMPLEX empty Without Color 60 4 MPBH02 PAD MIKE MPBH00324...

Page 179: ...NT MICA0019901 M1 4 D2 2 L1 5 Gold 37 5 MDAG00 DECO FRONT MDAG0028401 MOLD PC LUPOY SC 1004A Black 20 5 MIDZ00 INSULATOR MIDZ0158501 COMPLEX empty 0 07T Without Color 84 5 MIDZ01 INSULATOR MIDZ0160801 COMPLEX empty Without Color 31 5 MIDZ02 INSULATOR MIDZ0160901 COMPLEX empty Without Color 42 5 MKBZ00 KNOB MKBZ0002101 MOLD PC LUPOY SC 1004A Black 28 5 MLEA00 LOCKER BATTERY MLEA0039301 MOLD PC LUPO...

Page 180: ...RECEIVER MFBB0023201 COMPLEX empty Without Color 5 5 MPBM00 PAD RECEIVER MPBM0019201 COMPLEX empty Without Color 10 5 MTAF TAPE MOTOR MTAF0006001 COMPLEX empty Without Color 9 5 MTAK00 TAPE CAMERA MTAK0002501 COMPLEX empty Without Color 11 4 MKAG00 KEYPAD MAIN MKAG0000901 MOLD PC LUPOY SC 1004A Black 38 4 MLAZ00 LABEL MLAZ0038303 PRINTING empty White 4 MPBG00 PAD LCD MPBG0065101 COMPLEX empty Blac...

Page 181: ... MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color 5 AFBA00 FRAME ASSY SHIELD AFBA0007701 Without Color K 6 MFEA00 FRAME SHIELD MFEA0015601 MOLD ABS MP 211 Without Color 53 6 MPBJ00 PAD MOTOR MPBJ0045901 COMPLEX empty Without Color 48 6 MPBU01 PAD CONNECTOR MPBU0007801 COMPLEX empty Without Color 51 6 MPBZ00 PAD MPBZ0199601 COMPLEX empty Without Color 52 6 MPBZ01 PAD MPBZ0190001 COMPLEX emp...

Page 182: ...SACC0036103 7 ENBY00 CONNECTOR BOARD TO BOARD ENBY0018601 10 PIN 4 mm STRAIGHT H 0 9 SOCKET 6 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0047103 7 ENBY01 CONNECTOR BOARD TO BOARD ENBY0040601 30 PIN 0 4 mm ETC H 1 0 0 40MM STRAIGHT MALE SMD R TP 6 SPCY00 PCB FLEXIBLE SPCY0125401 FR 4 0 4 mm MULTI 4 KE990 TOUCH 4 SJMY00 VIBRATOR MOTOR SJMY0008502 3 V 1 0 A 10 3 6T 2 0Vrms 175HZ linear motor 1 5G 3V 1 5G 3...

Page 183: ... 180 pF 50V J NP0 TC 1005 R TP 6 C111 CAP CERAMIC CHIP ECCH0000149 3 3 nF 50V K X7R HD 1005 R TP 6 C113 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C114 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C116 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C118 CAP CERAMIC CHIP ECCH0000393 22000000 pF 6 3V M X5R HD 2012 R TP empty empty empty empty empty empty 1 25...

Page 184: ... C144 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C145 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C146 CAP CERAMIC CHIP ECCH0000175 2 7 pF 50V B NP0 TC 1005 R TP 6 C147 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C148 CAP CHIP MAKER ECZH0001105 8200 pF 16V K X7R HD 1005 R TP 6 C195 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C197 CAP CER...

Page 185: ...2 pF 50V J NP0 TC 1005 R TP 6 C326 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C339 CAP CERAMIC CHIP ECCH0000109 8 pF 50V D NP0 TC 1005 R TP 6 C340 CAP CERAMIC CHIP ECCH0000109 8 pF 50V D NP0 TC 1005 R TP 6 C403 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C404 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C405 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R ...

Page 186: ...P ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C524 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C525 CAP TANTAL CHIP ECTH0004807 10 uF 10V M STD 1608 R TP empty empty 55TO 125C empty empty empty empty 6 C526 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C527 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C528 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC ...

Page 187: ...V M X5R TC 1608 R TP 6 C559 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C560 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C561 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C586 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C587 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C589 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1...

Page 188: ... 5 P4S Header 6 CN603 CONNECTOR BOARD TO BOARD ENBY0029501 40 PIN 0 4 mm ETC H 3 0 Socket 6 CN701 CONNECTOR BOARD TO BOARD ENBY0040701 30 PIN mm ETC 0 40MM STRAIGHT FEMALE SMD R TP 1 0 6 D400 DIODE TVS EDTY0008607 SC70 6L 6 V 200 W R TP PB FREE 6 D501 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 D502 DIODE TVS EDTY0007401 SMD 12 V 350 W R TP 6 D600 DIODE TVS EDT...

Page 189: ...OR CHIP ELCH0005009 100 nH J 1005 R TP 6 L500 INDUCTOR SMD POWER ELCP0008001 4 7 uH M 2 5 2 0 1 0 R TP 6 L501 INDUCTOR SMD POWER ELCP0008004 4 7 uH M 1 R TP 0 3NH NON SHIELD 2 5X2X1MM 11MM R TP 6 L502 INDUCTOR SMD POWER ELCP0008001 4 7 uH M 2 5 2 0 1 0 R TP 6 L503 INDUCTOR SMD POWER ELCP0008001 4 7 uH M 2 5 2 0 1 0 R TP 6 L700 INDUCTOR SMD POWER ELCP0008001 4 7 uH M 2 5 2 0 1 0 R TP 6 L701 INDUCTO...

Page 190: ... RES CHIP MAKER ERHZ0000463 33 ohm 1 16W J 1005 R TP 6 R314 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R315 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R316 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R317 RES CHIP MAKER ERHZ0000490 51 ohm 1 16W J 1005 R TP 6 R319 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R320 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J ...

Page 191: ...IP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R611 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R612 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R613 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R614 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R615 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R619 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J...

Page 192: ...SY0140901 SSOP5 P 0 65 5 PIN R TP XOR GATE Pb Free 6 U606 IC EUSY0335701 QFN 8 PIN R TP 1 2W Mono Differencial Audio AMP 6 U701 IC EUSY0251501 DFN33 12 12 PIN R TP DUALDCDC_DMBpower 400mA 600mA 1Mhz 6 VA300 VARISTOR SEVY0004101 5 6 V SMD 360pF 1005 6 VA301 DIODE TVS EDTY0009401 VMN2 5 V 10 W R TP 1 0 0 6 0 4 7 82V 100mW empty empty 2P 1 6 VA500 VARISTOR SEVY0007301 5 V 0 5pF SMD 6 VA501 VARISTOR S...

Page 193: ...2 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C213 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C215 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C216 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C217 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C220 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C221 CAP CERAMIC ...

Page 194: ...TC 1005 R TP 6 C331 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C332 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C333 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C334 CAP CERAMIC CHIP ECCH0000137 330 pF 50V K X7R HD 1005 R TP 6 C335 CAP CERAMIC CHIP ECCH0000137 330 pF 50V K X7R HD 1005 R TP 6 C336 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 ...

Page 195: ...X5R TC 1005 R TP 6 C578 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C579 CAP TANTAL CHIP ECTH0003701 10 uF 6 3V M L_ESR 1608 R TP 6 C580 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C581 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C583 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 6 C584 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R...

Page 196: ...47 nH J 1005 R TP 6 L127 INDUCTOR CHIP ELCH0009114 100 nH J 1005 R TP coil 6 L300 INDUCTOR CHIP ELCH0010401 2 2 uH M 1005 R TP 6 L504 INDUCTOR CHIP ELCH0010401 2 2 uH M 1005 R TP 6 LD700 DIODE LED CHIP EDLH0011901 WHITE 1608 R TP PB FREE ZENER 6 LD701 DIODE LED CHIP EDLH0007901 RED 1608 R TP Indicator 0 4T Red LED 6 LD702 DIODE LED CHIP EDLH0014501 GREEN 1608 R TP empty 2 85 3 25 empty empty 2P 6 ...

Page 197: ...1 16W J 1005 R TP 6 R701 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R703 RES CHIP ERHY0003601 2700 ohm 1 16W J 1005 R TP 6 R704 RES CHIP ERHY0003601 2700 ohm 1 16W J 1005 R TP 6 R705 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R706 RES CHIP MAKER ERHZ0000493 51 Kohm 1 16W J 1005 R TP 6 R707 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP 6 R708 RES CHIP MAKER ERHZ000048...

Page 198: ...b Free 6 U507 IC EUSY0338301 uMLP 10 PIN R TP High Speed USB Siwitch 2 0 3 7pF 6 5ohm 1 4X1 8 6 U601 IC EUSY0338701 SON1612 6 6 PIN R TP 2 7V 150mA LDO Pb Free 6 U602 IC EUSY0338701 SON1612 6 6 PIN R TP 2 7V 150mA LDO Pb Free 6 U700 IC EUSY0337101 CSP 12 PIN R TP Touchscreen Controller IC IC A D Converter 6 U702 IC EUSY0333701 TLLGA 8 PIN R TP OVP 6 VA503 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 ...

Page 199: ...TC 1005 R TP 6 C905 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C906 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 6 C907 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 6 C908 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C909 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 MIC900 MICROPHONE SUMY0010507 UNIT 42 dB 4 1 35 SMD 6 R318 RES ...

Page 200: ... MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C807 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C808 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C809 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C810 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C811 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C812 CAP CHIP MAKER ECZH0003103 ...

Page 201: ...ER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R810 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 R811 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 5 SPJY PCB SUB SPJY0051001 FR 4 0 5 mm BUILD UP 4 KU995 SUB 3 SMZY00 MODULE ETC SMZY0017701 1GB MICROSD SSE MLC 1 DIE Module Assembly MODULE ETC SMZY0017801 1GB MICROSD MLC 1 DIE Module Assembly MODULE ETC SMZY0018301 1GB MICROSD HYN...

Page 202: ...N SBPL0091106 3 7 V 1000 mAh 1 CELL PRISMATIC 553446 Latin America Label PRISMATIC BLACK Black BATTERY PACK LI ION SBPL0093706 3 7 V 1000 mAh 1 CELL PRISMATIC 553446 Latin America Label 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 SGEY0005546 10mW 16ohm 111dB 20HZ 20HZ empty BLACK 18P MMI CONNECTOR Plug ...

Page 203: ...Note ...

Page 204: ...Note ...

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