LG KT520 Service Manual Download Page 196

Page: 196 / 232

- 197 -

9. PCB LAYOUT

LGE Internal Use Only

Z3X-BOX.COM

Summary of Contents for KT520

Page 1: ...Date June 2008 Issue 1 0 Service Manual Model KT520 Service Manual KT520 Internal Use Only Z 3 X B O X C O M ...

Page 2: ... 4 10 Audio Trouble Shooting 100 4 11 Charger Trouble Shooting 115 4 12 Checking Bluetooth Block 118 4 14 Procedure to check 121 4 15 Checking Common Power Source Block 122 4 16 Checking VCXO Block 127 4 17 Checking Front End Module Block 132 4 18 Checking Front End Module Block input logic 133 4 19 Checking WCDMA Block 142 4 20 Checking GSM Block 155 5 DOWNLOAD 167 5 1 The Purpose of Downloading ...

Page 4: ...ted 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 s...

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: ... Power 800mAh Li Polymer Talk Time Over 170 Min WCDMA Tx 12 dBm Voice Over 200 Min GSM Tx Max Voice Standby Time Over 260 hrs WCDMA DRX 2 56 Over 260 hrs GSM Paging period 5 Antenna Intenna type Main LCD 2 0 320x240 260K TFT Color LCD Main LCD BL White LED Backlight Vibrator Yes Coin Type Speaker Yes MIC Yes SMD Type Receiver Yes Earphone Jack Yes SIM Socket Yes SIM Block Type 3 0V 1 8V Volume Key...

Page 7: ...purposes 2 2 Usable environment 1 Environment 2 Environment Accessory CLA 12 24V DC 2 PERFORMANCE 8 Item Specification Unit Voltage 3 7 Typ 3 4 Min Shut Down 3 35 V Operation Temp 20 60 C Storage Temp 30 85 C Humidity max 85 Item Spec Min Typ Max Unit Power Available power 100 220 240 Vac Z 3 X B O X C O M ...

Page 8: ...MHz 60dBm 880M 915MHz 62dBm 880M 915MHz 62dBm 915M 1000Mz 60dBm 915M 1000MHz 60dBm 1G 1 71GHz 50dBm 1G 1 71GHz 50dBm 1 71G 1 785GHz 56dBm 1 71G 1 785GHz 56dBm 1 785G 12 75GHz 50dBm 1 785G 12 75GHz 50dBm Radiated MS allocated 30M 1GHz 36dBm 30M 1GHz 36dBm Spurious Channel 1G 1710MHz 30dBm Emission 1G 4GHz 30dBm 1710M 1785MHz 36dBm 1785M 4GHz 30dBm Idle Mode 30M 880MHz 57dBm 30M 880MHz 57dBm 880M 91...

Page 9: ...100 250Hz TU50 100Hz TU50 150Hz TU3 150Hz TU1 5 200Hz 5 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 600kHz 24dB transient 1200kHz 21dB 120...

Page 10: ... 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 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 2 PERFORMANCE 11 Z 3 X B O X C O M ...

Page 11: ...imum Output Power 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 compres...

Page 12: ... 150KHz 1K BW 36dBm f 150KHz 30MHz 10k 36dBm f 30 1000MHz 100k 30dBm f 1 12 75GHz 1M 41dBm 1893 5 1919 6MHz 300k 67dBm 925 935MHz 100k 79dBm 935 960MHz 100k 71dBm 1805 1880MHz 100k 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 transmission Z 3 X B O...

Page 13: ... C Ic 7dB C Ic 7dB 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 1 st interferer 44dBm 1 st interferer 44dBm 2 st interferer 45dBm 2 st interferer 44dBm 5 Blocking Response Wanted Signal 101dBm Wanted Signal 101dBm TCH FS Class II RBER Unwanted Signal Unwanted S...

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 2185 2230MHz band a UE 20dBm output power class3 30dBm 3 84MHz f 2025 2050 2230 2255MHz band a UE 20dBm output power class3 15dBm 3 84MHz f 1 2025 2255 12500MHz band a UE 20dBm output power class3 6 Spurious Response 44dBm CW UE 20dBm output power class3 7 Intermodulation Char...

Page 15: ... within 2 4GHz 2 4835GHz 5 TX Output Spectrum 20dB Bandwidth 1MHz 6 Tx Output Spectrum Adjacent channel Po 20dBm C I 2MHz 40dBm C I 3MHz 7 Modulation Characteristics 140kHz delta f1 avg 175kHz delta f2max 115kHz at least 99 9 of all deltaf2max delta f2avg deata f1avg 0 8 8 Init Carrier Freq Tolerance 75KHz 9 Carrier Frequency Drift 1 slot 25kHz 3 slot 40kHz 5 slot 40kHz Maximum drift rate 20KHz 50...

Page 16: ...o channel 11dB Adjacent 1MHz interference C I 1MHz 0dB Adjacent 2MHz interference C I 2MHz 30dB Adjacent 3MHz interference C I 3MHz 40dB Adjacent 3MHz interference to in band 9dB mirror frequency C I image 1MHz 20dB 4 Blocking Characteristic BER 0 1 wanted signal 67dBm interfering Signal Frequency PowerLevel 30MHz 2000MHz 10dBm 2000MHz 2400MHz 27dBm 2500MHz 3000MHz 27dBm 3000MHz 12 75GHz 10dBm 5 I...

Page 17: ...0 mA 110 Min 410 mA DRX 2 56 Tx 12dBm Tx 12dBm GSM 260 Hours 3 0 mA 200 Min 220 mA paging 5period Tx Max No GSM WCDMA 1 BAR 7 92 2 RSSI 89 2 RSSI 2 BAR 5 97 2 RSSI 103 2 RSSI 3 BAR 4 100 2 RSSI 107 2 RSSI 4 BAR 2 103 2 RSSI 109 2 RSSI 5 BAR 1 105 2 RSSI 111 2 RSSI 6 BAR 0 105 2 RSSI 111 2 RSSI Indication Voltage BAR 3 100 level full 4 17V 0 05V BAR 3 40 2 12 3 67 0 05V BAR 2 12 1 3 3 52 0 05V BAR ...

Page 18: ... refer to TABLE 30 3 6 Receiving Distortion RD refer to TABLE 30 4 7 Idle Noise Sending INS NOM 64dBm0p under MAX 8 Idle Noise Receiving INR NOM 47dBPA under MAX 36dBPA under 9 Sending Loudness Rating SLR NOM 8 3dB MAX 10 Receiving Loudness Rating RLR NOM 1 3dB MAX 12 3dB 11 Side Tone Masking Rating STMR NOM 25dB over MAX 12 Echo Loss EL NOM 40dB over MAX 13 Sending Distortion SD refer to TABLE 30...

Page 19: ...WCDMA It will not be kept 3 9V in some power level Extend await mode At Charging prohibited temperature 0 C under or 45 C over GSM It should be kept 3 7V in all power level WCDMA It will not be kept 3 7V in some power level No Test Item Specification TDMA NOISE GSM SEND GSM Power Level 5 REV DCS Power Level 0 DCS SEND 17 Cell Power 90 105dBm REV Acoustic Max Vol GSM SEND MS HEADSET SLR 8 3dB REV M...

Page 20: ...cache and I D TCM Application peripheral subsystems I2C keypad UART and so on Graphics subsystem XGAM subsystem Audio Processing Execution APEX and video encoder subsystems In addition to the two subsystems above there is also a test block chip control block and a pad multiplexing block residing at the top level DSP The Digital Signal Processor Subsystem DSPSUB includes a DSP megacell which contai...

Page 21: ...nctionality The WCDMA subsystem is handled and provided by Ericsson XGAM subsystem The XGAM subsystem is a graphics acceleration module that provides hardware support in the creation of visual imagery and the transfer of this data to a display The XGAM also provides support for connecting a Camera module The visual data could be graphics still images or video The XGAM subsystem is handled and prov...

Page 22: ...ight 2008 LG Electronics Inc All right reserved Only for training and service purposes DB3150 Digital Baseband Processor Dual core 3 Mega Bluetooth Optical Joystick USB Transceiver KT520 Block Diagram Figure 3 1 1 KT520 Block Diagram Z 3 X B O X C O M ...

Page 23: ...b SDRAM D Device Part Name Maker Item Time Size Speed Programspeed 200µs 1 page 528 Byte 2 64MByte s Erase speed 2ms 1 Block 16KByte 8MByte s NAND flash K5D1G12ACB D075 Samsung Table 3 1 1 External Memory Interface Spec of KT520 Part Name Maker Item Time Size Speed Device Part Name Maker Item Time Size Speed Figure 3 1 2 External Memory Configuration of KT520 Data Communication IrDA SIR UARTs ACB ...

Page 24: ...y Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 25 3 1 3 Hardware Architecture A Block Diagram Figure 3 1 3 Access system of Ericsson DB3150 Z 3 X B O X C O M ...

Page 25: ...GE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 26 Figure 3 1 4 Application system of Ericsson DB3150 Z 3 X B O X C O M ...

Page 26: ...nd controller includes an Application CPU subsystem which includes the submodules described below 32 KiB I cache 16 KiB D cache Page table MMU JTAG ETM9 8 KiB I TCM 8 KiB D TCM C Peripheral Hardware Subsystem The digital baseband controller includes hardware that supports mobile terminal peripherals such as a MMC SD UART I2C USB keypad and infrared Collectively this hardware comprises the Peripher...

Page 27: ...ess in the program and data RAM residing in the DSPSUB E XGAM Subsystem The XGAM subsystem is a graphics acceleration module that provides hardware support in the creation of visual imagery and the transfer of this data to a display The XGAM also provides support for connecting a Camera module The visual data could be graphics still images or video The XGAM subsystem is handled and provided by Eri...

Page 28: ...RF_DATA_C Y3 RF_DATA_STRB Y2 QDATA_AMP_MSB IDATA_FREQ_MSB AMP_LSB_FREQ_LSB DCLK_DATSTR Figure 3 1 5 Schematic of GSM RF Interface AB7 TX_POW AB6 RF_WCDMA_PWRDET_EN RF_DATA_A Y4 AA2 RF_DATA_B RF_DATA_C Y3 RF_DATA_STRB Y2 RF_WCDMA_DCDC_EN AB5 RF_WCDMA_PA_0_EN AB8 V7 RF_WCDMA_PA_1_EN DAC_I_NEG Y8 W8 DAC_I_POS DAC_Q_NEG W7 Y7 DAC_Q_POS ADC_I_NEG Y10 W10 ADC_I_POS ADC_Q_NEG W9 Y9 ADC_Q_POS QDATA_AMP_MS...

Page 29: ...directional data line SIMCLK0 SIM card reference clock SIMRST0 SIM card async sync reset Resource Name Note UART0 ACC_GPIO_2 ACC_GP02_UART0_RX ACC Receive Data ACC_GPIO_3 ACC_GP03_UART0_TX ACC Transmit Data UART1 APP_GPIO_0 APP_GP00_UART_RX APP Receive Data APP_GPIO_1 APP_GP01_UART_TX APP Transmit Data Table 3 1 2 SIM Interface Table 3 1 3 UART Interface VDD DAT CLK CARD RST SIMVCC AB3000 SDAT SIM...

Page 30: ...C_GP04_USB_CLK input ACC_GPIO_5 ACC_GP05_USB_NXT input ACC_GPIO_6 ACC_GP06_USB_DAT4 input Output ACC_GPIO_7 ACC_GP07_USB_DAT5 input Output ACC_GPIO_8 ACC_GP10_USB_DAT6 input Output ACC_GPIO_9 ACC_GP11_USB_DAT7 input Output ACC_GPIO_10 ACC_GP12_KEY_LED_ON Output low ACC_GPIO_11 ACC_GP13_SPK_AMP_EN Output low ACC_GPIO_12 ACC_GP14_BT_SPI_INT Input ACC_GPIO_13 NA Output Low ACC_GPIO_14 ACC_GP16_MC_DET...

Page 31: ...APP_GP02_MC_IO_OFF Output Low Hi Z low APP_GPIO_3 APP_GP03_FLIPSENSE Input APP_GPIO_4 APP_GP04_OJ_MISO Input APP_GPIO_5 APP_GP05_OJ_MOSI Output APP_GPIO_6 APP_GP06_OJ_SCLK Output APP_GPIO_7 APP_GP07_OJ_MOTION_n Input APP_GPIO_8 APP_GP10_BL_CTRL Output low APP_GPIO_9 APP_GP11_OJ_CS_n Output APP_GPIO_10 APP_GP12_PHFSENSE Input APP_GPIO_11 APP_GP13_MC_CLKRET Input APP_GPIO_12 APP_GP14_VC_IO_OFF Outpu...

Page 32: ...he USB block and is read written from the endpoint FIFO using DMA transfers or FIFO register access High speed high throughput endpoints can use DMA while slower endpoints can use FIFO register access The USB block can request up to six DMA channels three for IN endpoints and three for OUT endpoints USB Function Note USB_STP ULPI stop signal USB_DIR ULPI direction signal USB_CLK USB clock USB_NXT ...

Page 33: ...USB block 1 10V C415 0 1u 0 1u C414 4 7u C409 1K R417 VDDE_1V8 R415 51K 0 1u C413 4 7u C416 0 1u C408 4 7u VBUS VCC F3 B5 VCC_IO1 VCC_IO2 B2 F5 XTAL1 XTAL2 F6 C412 C1 D1 DP FAULT E2 GND1 C5 D2 GND2 GND3 E4 D3 ID NC1 F1 F2 NC2 D5 NXT PSW_N D4 E6 REF1V8 E3 REG3V3 C2 RREF STP D6 TEST C4 F4 CFG0 E1 B4 CFG1 CFG2 B3 CHIP_SEL C3 A4 CLOCK DATA0 B1 A1 DATA1 DATA2 A2 A3 DATA3 DATA4 A5 A6 DATA5 DATA6 B6 C6 D...

Page 34: ...t the slide module status up or down If a magnet is close to the hall effect switch U502 the voltage at Pin 4 of U502 goes to 0V Otherwise 1 8V This APP_GP03_FILPSENSE signal is delivered to DB3150 APP_GP03 HALL EFFECT SWITCH VDDC_2V65 TK60012BM5 U502 GND1 2 GND2 5 IO_VDD 6 NC 3 4 OUT VDD 1 C525 0 1u VDDE_1V8 0 1u C526 APP_GP03_FLIPSENSE Figure 3 1 10 Slider On Off Detector Z 3 X B O X C O M ...

Page 35: ... 5 signals clock chip select data in data out and interrupt When the SPI mode is selected these signals are available through the BT_UART and BT_HOST_WAKEUP pins The SPI interface is Master at the Host side and Slave at the BT Controller side It is designed to work with the H4 protocol It does not support HCI synchronous data packet transfer Data are transferred on the SPI interface in byte format...

Page 36: ...h air interface without having the master clock running The low frequency clock is always present in some applications even when the chipset is powered down F STLC2500C Bluetooth specification compliance V2 0 EDR Based on Ericsson Technology Licensing Baseband Core EBC Point to point point to multi point up to 7 slaves and scatternet capability Asynchronous Connection Oriented ACL logical transpor...

Page 37: ... 16 16 8 19 2 26 33 6 or 38 4MHz LP clock input at 3 2 16 384 32 or 32 768 kHz ARM7TDMI CPU 32 bit Core AMBA AHB APB bus configuration Patch RAM capability Memory organization On chip RAM including provision for patches On chip ROM preloaded with FW up to HCI Communication interfaces Fast UART up to 4Mbit s SPI interface PCM I2S interface Up to 10 additional flexibly programmable GPIOs External in...

Page 38: ...CLD E7 G2 VDD_D VDD_DSM B7 A7 VDD_HV_A VDD_HV_D G1 VDD_IO_A G5 F3 VDD_IO_B C7 VDD_N VDD_RF A1 B4 VSS_ANA1 C1 GPIO_10 B2 GPIO_11 B3 GPIO_16 GPIO_8 C3 GPIO_9 B1 F7 HOST_WAKEUP LP_CLK G3 D2 PCM_A PCM_B E1 PCM_CLK D1 PCM_SYNC C2 REF_CLK_IN D6 D3 RESET_N RFN A4 A3 RFP TOUT_IN_QP B5 E5 AF_PRG C5 BT_WAKEUP E6 CLK_REQ_IN_1 G6 CLK_REQ_IN_2 CLK_REQ_OUT2 G7 CLK_REQ_OUT_1 C4 E2 CONFIG_1 CONFIG_2 F1 F2 CONFIG_...

Page 39: ... A1 CMDA B1 C2 CMDB CMD_DIR B5 B2 DAT0A DAT0B D2 DAT0_DIR C5 DAT123_DIR C1 DAT1A A2 D1 DAT1B B4 DAT2A DAT2B C4 A4 DAT3A D4 DAT3B GND1 VDDE_1V8 SN74AVCA406EZXYR FL101 A3 0 1u C101 VDDG_2V75 100K R100 0 1u R102 100K C100 100K R103 R104 100K R101 100K MICROSD_CMD MICROSD_CMD_DIR MICROSD_CMD_2V7 APP_GP13_MC_CLKRET MICROSD_CLK_2V7 MICROSD_DAT0 MICROSD_CLK MICROSD_DAT3 MICROSD_DAT2 MICROSD_DAT1 MICROSD_...

Page 40: ...and then ONSWAn signal is changed to Low AB3000 initiates the internal oscillator and powers on the regulators AB3000 generates power for DB3150 AB3000 releases the power reset signal PWRRSTn and generates an interrupt IRQ0n to DB3150 3 1 12 Power On Sequence User presses END key and then ONSWAn signal is changed to Low AB3000 initiates the internal oscillator and powers on the regulators AB3000 g...

Page 41: ...DNI R642 5 INSTPAR ZD505 ESD9X5 0ST5G 3 CN523 1 2 3 4 5 6 INSTPAR ZD502 ESD9X5 0ST5G KB511 ESD9X5 0ST5G ZD501 INSTPAR 9 ZD503 ESD9X5 0ST5G INSTPAR 6 RB521S 30 D501 1 2 0 8 INSTPAR ESD9X5 0ST5G ZD504 KB_STAR 4 KEYIN3 KEYOUT4 KEYOUT0 KEYIN2 KEYIN0 KEYIN1 ONSWA_n KEYOUT3 KEYOUT1 KEYOUT2 Figure 3 1 14 MAIN PCB KeyPad Circuit Table 3 1 8 Key Matrix Mapping Table KEYIN0 KEYIN1 KEYIN2 KEYIN3 KEYIN4 KEYIN...

Page 42: ...l right reserved Only for training and service purposes 3 TECHNICAL BRIEF 43 OJ KEY PAD RIGHT CALL LEFT SOFT101 HOT SOFT100 UP CANCEL END DOWN KEYIN5 KEYIN4 KEYOUT2 KEYOUT3 KEYOUT4 ONSWA_n KEYOUT1 KEYIN3 Figure 3 1 15 KEY PCB Key Pad Circuit Z 3 X B O X C O M ...

Page 43: ...ace on mobile devices Self adjusting power saving modes for longest battery life Smart Speed self adjusting frame rate for optimum performance Internal oscillator no clock input needed Wide operating voltage range 2 6V 3 6V nominal Six 6 wired serial port 3 5 wired serial port may be used optionally Keyin4 and Keyout2 are used for OK key button 10pin Optical Joystick Connector AXK7L10227G 0 9T soc...

Page 44: ...the creation of visual imagery and the transfer of this data to the display GAM also provides support for the camera module The visual data could be graphics still images or video The GAM subsystem consists of five modules GRAM graphics memory 160 kB GAMCON GAM controller GRAPHCON graphics controller PDI SSI programmable display interface for parallel serial displays CDI camera data interface Figu...

Page 45: ...s and the other two areas used for still images video frames or camera frames The three image areas can be combined into one frame buffer GRAM is required to transfer a VGA 640 by 480 pixels image from the camera data interface CDI over DMA at 100 MBit s within a 50 ms timeframe The GRAM is used as a buffer but the average transfer bandwidth required is approximately 3 Mword s 32 bit word that is ...

Page 46: ...s and various interrupts are used to inform the application CPU regarding the progress of incoming images and potential errors The normal data format on the data bus is YUV 4 2 2 raw binary image data according to the CCIR 656 standard A function within the CDI can be programmed to reorder the YUV parameters as they pass through the CDI In addition the CDI is able to detect the end of an image and...

Page 47: ... LCD_CS_n PDI_D2 PDI_D3 PDI_D4 PDI_D5 PDI_D6 PDI_D7 CI_D1 CI_D2 CI_D3 CI_D4 CI_D5 CI_D6 CI_D7 CI_PCLK CI_VSYNC CI_HSYNC CI_D0 CI_RES_n LCD_RD PDI_D0 PDI_D1 Figure 3 2 2 Camera Interface in DB3150 34pin 3M CAMERA CONNECTOR AXK7L34227G 0 9T socket C508 0 1u 0 01u C509 C505 0 1u 5 6 7 8 9 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 4 G2 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 20 CN501 G1 0 1u C507 DN...

Page 48: ...08 22p 47 R505 C502 D603 RB521S 30 70 8 9 G1 G2 G3 G4 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 7 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 55 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 26 CN503 1 10 11 PDI_D0 ONSWA_n MOTOR_N MOTOR_P CI_D1 CI_D3 CI_D2 CI_D4 CI_D5 CI_D6 CI_D7 PDI_D7 PDI_D6 PDI_D5 PDI_D4 PDI_D3 PDI_D2 PDI_D1 KEYOUT2 KEYOUT1 CI_D0 CI...

Page 49: ...al reset signal and 8bits YUV data from camera module The camera module is controlled by I2C port LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 50 pin no Symbol pin no Symbol 1 GND 18 HSYNC 2 PCLK 19 VSYNC 3 GND 20 GND 4 GND 21 EXTCLK 5 RSTN Ative Low 22 GND 6 GND 23 D0 7 NC 24 D1 8 SDA 25 D2 9 SCL 26 D3 10 NC 27...

Page 50: ...CKIN Input Clock 19 D7 8Bit Data 7 3 GND_A Power Ground 18 Vsync Vertical sync 4 DCLK Video Clock 17 Hsync Horizontal sync 5 D0 8Bit Data 0 16 GND_D Power Ground 6 D1 8Bit Data 1 15 SDA I2 C Data 7 D2 8Bit Data 2 14 SCL I2 C Clock 8 D3 8Bit Data 3 13 Reset Reset 9 D4 8Bit Data 4 12 Vdd_L 1 8V 10 D5 8Bit Data 5 11 Vdd_H 2 8V Table 2 2 2 Interface between VGA Camera Module and FPCB in LCD FPCB Z 3 X...

Page 51: ... ENM2 19 F1 12 11 F2 10 F3 F4 MAX8631XETI U100 VDD_CAM_2V8 APP_GP15_CAM_LDO_CTRL APP_GP10_BL_CTRL LCD_BL5 LCD_BL3 LCD_BL1 LCD_BL2 LCD_BL4 VDD_BACKLIGHT VDD_CAM_1V8 Figure 3 2 6 1 8V and 2 8V Camera Regulator in Charge Pump Parallel with VCORE 3 3 1 2 0 85A 155mohm 30 to Bluetooth 1608 120ohm 100MHz to SD Card and LCD and OJ BLM18PG121SN1J to All I O Supplies and Memory to DB3100 CORE to DB3100 ana...

Page 52: ... LCD module include device in table 3 2 LCD Module is connected to Key PCB with 35 pin Connector in sub PCB The LCD is controlled by 8 bit PDI Parallel Data Interface in DB3150 Table 3 2 4 Interface between LCD module and SUB PCB Table 3 2 3 Device in LCD Module Device Type Main LCD 320 x RGB x 240 262K Color TFT LCD Main LCD Backlight 5 White LEDs Z 3 X B O X C O M ...

Page 53: ...rvice purposes 3 TECHNICAL BRIEF 54 LCD Module LCD FPCB Main Board Vibrator Ear Piece 3M Camera VGA Camera 70pin BtoB Connector 35pin zip Connector SUBPCB 40 pin Connector 262K TFT LCD 320 X 240 pixels Main LCD Driver IC JBT6K85 Figure 3 2 8 LCD Module Block Diagram Figure 3 2 9 LCD Module Main LCD Z 3 X B O X C O M ...

Page 54: ...MP 1 1 C104 1u C100 1u 1u C105 R102 100K ZD101 ESD9X5 0ST5G INSTPAR 100K R103 C101 10u C106 10u R104 6 8K 1u C102 R105 20K VBAT 8 C103 0 01u 9 3 GND IN 2 LDO1 4 5 LDO2 16 M1 M2 15 M3 14 13 M4 OUT 25 28 P1 P2 17 24 PGND 1 PIN REFBP 6 7 SETF SETM BGND 29 22 C1N C1P 23 C2N 27 26 C2P ENF 21 18 ENLDO 20 ENM1 ENM2 19 F1 12 11 F2 10 F3 F4 MAX8631XETI U100 VDD_CAM_2V8 APP_GP15_CAM_LDO_CTRL APP_GP10_BL_CTR...

Page 55: ...nly for training and service purposes 3 TECHNICAL BRIEF 56 SSC SWTS1007 1 A 2 C LD502 R517 150 SSC SWTS1007 LD501 1 A 2 C 150 R518 0 1u C524 VBAT MAIN_LED2 MAIN_LED1 B6 VIBR J10 SLEEPA SLEEPB L12 H10 SCL SDA H12 LED1 A6 LED2 D6 B7 LED3 K4 MCLK MAIN_LED1 MAIN_LED2 MOTOR_EN ACC_SLEEP APP_SLEEP SHARED_I2C_SCL SHARED_I2C_SDA SYSCLK1 Figure 3 2 11 Keypad Backlight LED Interface and Backlight Circuit Z ...

Page 56: ...mit it to DBB Chip DB3150 This transmitted signal is reformed to fit in GSM WCDMA Frame format and delivered to RF Chip The downlink path amplifies the signal from DBB chip DB3150 and outputs it to Receiver or Speaker The audio interface consists of PCM encoding and decoding circuitry microphone amplifiers and earphone drivers The PCM encoder and decoder blocks are two channel 16 bit circuits with...

Page 57: ...n DNI C628 V_BOOST B3 WS1 D3 WS2 C3 E5 VSSBOOST VSSBUCK B1 C1 F4 SDO2 SIMCLK H5 SIMDAT H2 SIMRST_N J2 SIMVCC F1 SPKRN M3 M2 SPKRP A4 SWBOOST MIC4P L5 MIDR PBIAS D1 SCK1 D4 E4 SCK2 SDI1 C2 D2 SDI2 SDO1 L10 LINEIN1 K10 LINEIN2 MIC1N J8 K8 MIC1P MIC2N M9 MIC2P L8 MIC3N H8 M10 MIC3P L9 MIC4N K9 DEC3 J5 J4 DEC4 AUXO1 K6 AUXO2 M6 J6 BEARN BEARP M4 D5 BOOST_FB B5 BOOST_ISENSE C5 BOOST_ISENSE C4 BOOST_SW1...

Page 58: ...ording to external Devices Receiver Loud Speaker Headset Video Telephony Mode Operate on state of the WCDMA CALL Voice ca ll MIDI MP3 Receiver Mode Loud Sp eaker Mode Headset Mod e Video Telephony Mode Only Loud Speaker Loud Speaker Mode Headset Mode Mode AB3000 In Out Port OUT IN MIC1P MIC1N BEARP BEARN SPKRP SPKRN AUXO1 AUXO2 AUXO1 AUXO2 MIC1P MIC1N MIC1P MIC1N MIC2P MIC2N SPKRP SPKRN SPKRP SPKR...

Page 59: ...product for different sensitivity of the earphone and spread in the RX path The final step in the receive path is the auxiliary output The auxiliary audio amplifier is intended to drive low impedance headphones The earphone amplifier and the auxiliary audio outputs can be powered down muted via I2C Both the earphone driver and one of the auxiliary drivers can simultaneously provide an output signa...

Page 60: ...n a voice call or video telephony call The connection to TXMIX from the Audio Mixer must be performed in 8 kHz mono since this is supported by the Voice mode Due to performance reasons it may not be possible to decode every audio format during video telephony Each Voice Uplink Mode paths shown below Receiver Mode C MIC SP0102BE3 Veronica Input MIC1N 1P Loud Speaker Mode C MIC SP0102BE3 Veronica In...

Page 61: ...provides a detailed description of the MIDI and WAV file functions In Figure 2 4 6 External MIDI path is the same as Voice Loudspeaker downlink Mode except source in DB3150 DSP and Audio Mixer MIDI DB3150 PCM Decoder Auxiliary audio amplifier SPKRP N Port AUDIO AMP TPA6205 Speaker 8Ω 3 TECHNICAL BRIEF 62 Figure 3 3 6 External MIDI path Z 3 X B O X C O M ...

Page 62: ... service purposes 3 TECHNICAL BRIEF 63 3 3 6 MP3 Audio Player This section provides a detailed description of the MP3 file functions MP3 function supports PCM 44 48KHz sampling rate The PCM44 48 RX path is intended to be used as a audio amp and one speaker Figure 3 3 7 MP3 Scheme Z 3 X B O X C O M ...

Page 63: ... Only for training and service purposes Figure 3 3 8 Video Telephony Scheme I sound SGEY0003327 Ear Jack SET 4 TI TPA6205A Audio AMP 3 Sisonic SP0102BE3 MIC 2 EM Tech SUSY0027501 Speaker Receiver 1 MAKER PART NUMBER ITEM NO I sound SGEY0003327 Ear Jack SET 4 TI TPA6205A Audio AMP 3 Sisonic SP0102BE3 MIC 2 EM Tech SUSY0027501 Speaker Receiver 1 MAKER PART NUMBER ITEM NO I sound SGEY0003327 Ear Jack...

Page 64: ...rent Fig 3 4 1 shows the schematic of GPADC part The GPADC channel spec is as following Table 3 4 1 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 4 1 Schematic of GPADC and AUTOADC2 Fig 3 4 2 GPADC and AUTOADC2 Block diagram ADC 6 channels Resource Name Description GPA0 RTEMP Radio temperature sense GPA2 VLOOP Loop voltage s...

Page 65: ... Unused Description CHSENSE Analog VBAT Current sensing input positive CHSENSE Analog VBAT Current sensing input negative Close to AB BATT_GND 2012 Close to Pin 3 Battery Conn route as a differential pair return path 2012 1 4W Phone ground 1 1 1 4W route as a differential pair Close to Pin 1 VBAT D1 D2 D3 D4 G1 G2 S1 S2 SIA911DJ Q600 33u C617 0 1 R611 C621 47p 1 2 3 4 CN600 KDS221E_RTK A1_C2 3 A2 ...

Page 66: ... R_FGSENSE is connected in series with the battery The voltage across the resistor equivalent to the current entering leaving the battery is integrated using an ADC block LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 3 5 3 The analog front end of the fuel gauge block Fig 3 5 4 The Schematic of the fuel gauge block Name Type Un...

Page 67: ...node with GPADC This battery data is converted to the battery temperature Fig 3 5 5 shows the schematic of battery temperature measurement part 3 A2 2 D601 300K R606 K12 XTAL1 XTAL2 K11 G10 SIMOFF_N K2 SRST_N SCLK J3 K3 SDAT BDATA H4 J12 32KHZ 4 32 768KHz X600 MC 146_12_5PF 1 2 3 24p C612 C613 24p RTCCLK SRST_n SCLK SDAT Fig 3 5 5 Battery Temperature Measurement Name Type Unused Description BDATA ...

Page 68: ... initial charging of the CHSENSE node and internal trickle charge signal is active This part of the charging block is powered on and active when DCIO is asserted The DCIO signal is asserted when its voltage is above the voltage at VBAT As soon as generator is turned off and all parts of the charging block are functional and active Battery block indication as shown in Fig 3 5 7 BATT_GND route as a ...

Page 69: ...ce for trickle charging is turned off and all parts of the charging block are active The charging method is CCCV Constant Current Constant Voltage This charging method is used for Lithium chemistry battery packs The CCCV method regulates the charge current and the VBAT voltage This charging method prevents the battery voltage to go above the charge set in the CCCV algorithm Fig 3 5 8 shows the cha...

Page 70: ...dicated 3 48V Low battery alarm interval Idle 3 min Dedicated 1 min Cut off voltage WCDMA call 3 1V ELSE 3 2V Charging of Extended Temperature When the battery temperature is outside the normal charging specification the battery voltage VBAT is maintained at 3 7V Under 0 C Extended temperature From 0 C to 45 C Normal charging temperature Over 45 C Extended temperature LGE Internal Use Only Copyrig...

Page 71: ...tors and the BUCK converter In active mode the LDO regulators and the BUCK converter are activated and deactivated through I2C The low power regulator is on all the time and has extremely low power consumption with limited output current It provides power for the 32 kHz oscillator and the real time clock RTC LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for traini...

Page 72: ...ocks can be divided into three main parts which are a WCDMA part a GSM and a RF front end Different from other general solutions the RF front end of KT520 consists of an antenna switch and an EDGE power amplifier module PAM The simplified block diagram is shown in Figure 3 7 1 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3...

Page 73: ...t stage provides at least 5 dBm at maximum power control at the single ended 50Ω output Gain is set through the 3 wire bus An external SAW filter between the WCDMA circuit and the power amplifier is used to improve noise performance Two 10 bit DACs are used to control the DC DC converter and the PA gain After the power amplifier the signal is sent through an isolator and through the duplex filter ...

Page 74: ...s filtered to provide protection from high frequency offset interferer fed into the channel filter The front end zero IF I and Q outputs are applied to the integrated low pass channel filter with a provision for 4 x 8 dB gain steps in front of the filter The filter is a self calibrated 6 pole 2 zero filter with a cut off frequency around 2 15 MHz and a second order group delay compensation 2 poles...

Page 75: ... programmability Their phase is then compared in a digital Phase Frequency Detector PFD to the 26 MHz reference clock signal The phase error information is fed back to the RF VCO through the charge pump circuit that sources into or sinks current from the loop filter capacitor thus changing the VCO frequency such that the loop finally gets phase locked LGE Internal Use Only Copyright 2008 LG Electr...

Page 76: ...nics Inc All right reserved Only for training and service purposes Figure 3 7 5 SKY77174 Functional Block Diagram DNI C210 C212 0 5p 1000p C204 1000p C206 LDC181G9519B 327 C_OUT 3 GND1 2 5 GND2 IN 1 M_OUT 6 4 TERMINATE 22p N201 C211 VCC_PA C207 DNI GND1 GND2 GND3 GND4 IN OUT IS201 CES201G95DCB000 56p C208 SKY77174 U201 ENABLE 2 6 GND1 GND2 7 GND3 9 PGND 11 4 RF_IN RF_OUT 8 5 VBIAS 1 VCC1 10 VCC2 3...

Page 77: ...nd EDGE GSM GPRS transceiver has the following general features Power class GMSK low bands Class 4 33 dBm GMSK high bands Class 1 30 dBm 8PSK low bands Class E2 27 dBm 8PSK high bands Class E2 26 dBm Multi slot class 12 4 4 5 Dual Transfer Mode DTM class 9 3 2 5 Zero IF receiver Polar modulation transmitter LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for trainin...

Page 78: ...re is a sigma delta controlled fractional N frequency synthesizer with an additional frequency insertion point after the loop filter at the input of the VCO In addition The TX buffer is used to drive the PA with the correct power level A divide by 2 or 4 block is used to generate the correct output frequency from the 4 GHz VCO The phase locked loop has two information inputs the divider ratio in t...

Page 79: ...ocked to the XO in a fractional N PLL consisting of a prescaler a phase frequency detector a charge pump a sigma delta modulator and a fully integrated loop filter Automatic trimming of the VCO center frequency and the RC constant makes sure that the variation of the PLL dynamics is sufficiently low The XO also has an external reference mode where a differential 26 MHz clock reference signal can b...

Page 80: ...nection In GSM GRPS EDGE systems transmit and receive operations are divided in time and the switch connects the proper block in accordance with the mode of operation that is transmit or receive one at a time in the GSM DCS and PCS bands In W CDMA systems the transmitter and the receiver operate simultaneously that is full duplex The switch is used only for selecting the W CDMA mode of operation t...

Page 81: ...GSM_RX1 16 17 GSM_RX2 8 MODE VAPC 6 5 VBATT WCDMA 26 OUT101 51 52 GND38 GND39 53 GND4 12 54 GND40 GND41 55 56 GND42 GND43 57 58 GND44 59 GND45 60 GND46 GND47 61 62 GND48 13 GND5 GND6 18 GND7 19 20 36 37 GND23 GND24 38 39 GND25 GND26 40 GND27 41 42 GND28 GND29 43 11 GND3 44 GND30 GND31 45 46 GND32 47 GND33 48 GND34 GND35 49 50 GND36 GND37 DCS_RX2 ENABLE 1 GND1 9 23 GND10 24 GND11 25 GND12 27 GND13 ...

Page 82: ...ront end module The 26 MHz VCXO clock residing in the GSM EDGE transceiver is turned on only when required the digital baseband controller initiates this The EDGE GSM GPRS RF system requires control which is temperature dependent The temperature within the RF system is estimated by a voltage measurement performed by the analog baseband controller The control flow for the RF system is shown in Figu...

Page 83: ...main board change main battery Yes Yes No No The voltage of main battery is higher than 3 2V END key operates well ONSWBn level is low when END key pressed Follow the keypad Trouble shooting guide Check the voltage VRADA_2V8 C601 2 8V VDDD_1V5 C602 1 5V VDDE_1V8 C603 1 8V VDDC_2V65 C606 2 65V VDDF_2V5 C608 2 5V VDDG_2V75 C609 2 75V VDDK_2V75 C610 2 75V VCORE C616 1 5V ONSWBn Z 3 X B O X C O M ...

Page 84: ...ed Only for training and service purposes 4 2 USB Trouble START Measure during the state of USB module running Change main board Yes No Resolder C408 C409 Yes ACC_GP20_USB_CS_PD is 1 8V No Yes Main Board ñ Bottom side C409 U402 VBAT power C408 C409 is same to battery C408 Finish Z 3 X B O X C O M ...

Page 85: ...ol path DB3150 generates SIM interface signals 1 8V level to AB3000 AB3000 converts SIM interface signals to 3V SIM works well Finish START Yes Reconnect SIM card Resolder J1 on main PCB and check the contact between J1 and SIM card Change main board SIM works well Finish Yes No No SIM works well Finish Yes No Change SIM card Main Board Bottom side J1 Z 3 X B O X C O M ...

Page 86: ...rd Trouble MicroSD works well START Yes Re insert MicroSD card Check operation of MicroSD card using other notebook or PDA Change main board MicroSD works well Finish Yes No No MicroSD works well Change the MicroSD No Yes Re insert MicroSD Yes Resolder R116 No Yes APP_GP16_MC_DETECT R116 is 0 V Finish Sub Board Bottom side R116 S100 Z 3 X B O X C O M ...

Page 87: ...le 4 5 1 Keypad Trouble START YES NO 1 Press the Keypad Keypad operates well Change Main Board Check BtoB connector short CN503 Main Bíd Change Keypad NO YES Resolder BtoB connector CN503 Main Bíd Keypad operates well Keypad operates well NO NO Finish YES YES Check side key short NO Resolder side key YES Camera key or volum key Keypad operates well YES NO NO Z 3 X B O X C O M ...

Page 88: ...008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 89 1 Pin 11 14 KEYOUT1 KEYOUT2 KEYOUT3 KEYOUT4 Pin 59 61 KEYIN5 KEYIN4 KEYIN3 1 70 35 36 CN503 Main Board ñ Top side Z 3 X B O X C O M ...

Page 89: ... reserved Only for training and service purposes OJ key works well Finish START Yes Reboot the phone Board to Board CN reconnect Main CN501 Key CN100 Change OJ key module OJ key works well Finish Yes No No OJ key works well Finish Yes No Change Key PCB 10 6 1 5 CN102 Key Board ñ BOTTOM side OJ Key module Z 3 X B O X C O M ...

Page 90: ...a control signals are generated by DB3150 4 6 1 3M Camera START Press END Key to turn on the power Is the circuit powered Reconnect the 3M 34pin B to B connector 3M Cameraís Operation is OK Change 3M Camera Follow the Power On Trouble Shooting YES NO YES NO 3M Camera Works YES NO Change Main board 34 pin 3M Camera Connector in Main Board CN501 Z 3 X B O X C O M ...

Page 91: ...the circuit powered Reconnect the 70pin BtoB connector CN503 and VGA 20 pin Camera Connector FPCB VGA Camera Operation OK VGA Cameraís Operation OK Follow the Power On Trouble Shooting YES NO YES NO Change the Camera LCD FPCB YES VGA Camera Works Change the Main Board NO NO 1 Change U101 YES NO 2 NO Change VGA Camera Pin5 of U101 or C105 key 1 8V Pin4 of U101 or C104 key 2 8V YES Z 3 X B O X C O M...

Page 92: ...t 2008 LG Electronics Inc All right reserved Only for training and service purposes 1 CN503 CN100 Main Board 70 pin BtoB Connector TOP side LCD FPCB 20 pin VGA Connector TOP side U101 2 Charge Pump in Key Board BOTTOM side U101 C105 C104 Z 3 X B O X C O M ...

Page 93: ...to turn on the power Is the circuit powered Disconnect and Reconnect the 70pin B to B Main LCD Display OK Follow the Power On Trouble Shooting Change LCD FPCB or Key PCB YES NO YES YES NO 1 NO Disconnect and Reconnect the LCD FPCB 40pin and 35pin LCD connector Key PCB LCD Display OK The LCD Works Follow the Power On Trouble Shooting Change LCD Module LCD Display OK Change the Main Board NO YES 2 N...

Page 94: ...nly Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN503 Main Board 70 pin B to B Connector 1 Keyb PCB 35 pin LCD Connector BOTTOM side LCD FPCB 40 pin BtoB Connector BOTTOM side 2 Z 3 X B O X C O M ...

Page 95: ...and service purposes 4 TROUBLE SHOOTING 96 4 8 Keypad Backlight Trouble START Press END Key to turn on the power Keypad Backlights Works YES NO Backlights Control Signal is 2 8V at R120 Resolder or Change Q100 YES Change Main Board NO Keypad Backlights Works Finish YES 1 2 NO Z 3 X B O X C O M ...

Page 96: ...PPER KEY LED SSC TWH104 HL LD103 LD102 SSC TWH104 HL SSC TWH104 HL LD101 EMX18 2 5 6 3 1 4 Q100 150 R125 R129 27 R130 100K C107 0 1u R123 150 R126 150 SSC TWH104 HL LD107 SSC TWH104 HL LD105 LD106 SSC TWH104 HL R120 2 2K R131 27 LD100 SSC TWH104 HL 51 R122 R121 51 51 R127 R128 51 VBAT 150 R124 LD104 SSC TWH104 HL ACC_GP12_KEY_LED_ON Z 3 X B O X C O M ...

Page 97: ...ce purposes 4 TROUBLE SHOOTING 98 4 9 Folder ON OFF Trouble START Yes Turn the power on No Change Main board Pin 1 of U502 2 65V Place magnet on U502 Yes Pin 4 of U502 0V No VDDE 1 8V at Pin6 Yes No Change Main board Slide OK No Change keypad Slide OK No Yes Finished Yes Yes 1 2 Start Z 3 X B O X C O M ...

Page 98: ...nics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 99 1 U502 2 HALL EFFECT SWITCH VDDC_2V65 TK60012BM5 U502 GND1 2 GND2 5 IO_VDD 6 NC 3 4 OUT VDD 1 C525 0 1u VDDE_1V8 0 1u C526 APP_GP03_FLIPSENSE Z 3 X B O X C O M ...

Page 99: ... 10 Audio Trouble Shooting 4 10 1 Receiver Signals to the receiver Receiver signals are generated at AB3000 BEARP BEARN Receiver path AB3000 BEARP BEARN C637 C638 on main board LCD FPCB Speaker Receiver Note It is recommended that engineer should check the soldering of R L C along the corresponding path before every step Z 3 X B O X C O M ...

Page 100: ...Does the sine wave appear at R618 R621 Change the main board Does the sine wave appear at Number 2 4 pin in the main Bíd CN503 Change U601 Does the sine wave appear at EAR PAD in LCD FPCB Change the LCD FPCB Is the soldering of the receiver OK Resolder the Receiver Can you hear sine wave out of the receiver Change the Receiver END YES YES YES YES YES NO NO NO NO NO 1 2 3 3 The sine wave not appear...

Page 101: ...HOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 1 Main PCB Bottom 3 2 Pin 2 4 1 70 35 36 CN503 Main PCB Top FPCB Top R618 R621 Z 3 X B O X C O M ...

Page 102: ...BLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Measured 1khz Sine Wave Signal 1 3 2 Measured 1khz Sine Wave Signal Z 3 X B O X C O M ...

Page 103: ...er Speaker signals are generated at Veronica SPKRP SPKRN Speaker path 1 Veronica SPKRP SPKRN 2 C531 C532 on the main board 3 U500 audio amp on the main board 4 U501 Analog switch on the main board 5 LCD FPCB 5 Speaker Receiver Note It is recommanded that engineer should check the soldering of R L C along the corresponding path before every step 4 TROUBLE SHOOTING 104 Z 3 X B O X C O M ...

Page 104: ...up 1KHz tone out Does the sine wave appear at C639 C640 Change the main board Does the sine wave appear at U601 Change the U601 Does the sine wave appear at C643 C644 YES YES YES YES NO NO NO NO Can you hear sine wave out of a speaker Change each Speaker END YES NO Change the main board Does the sine wave appear At R501 R502 1 4 3 2 The sine wave not appear 5 Change the main board Z 3 X B O X C O ...

Page 105: ...GE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 106 1 C639 C640 3 2 U601 4 R501 R502 C643 C644 B SIDE Z 3 X B O X C O M ...

Page 106: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 107 Measured 1khz Sine Wave Signal 5 Z 3 X B O X C O M ...

Page 107: ... 4 10 3 Microphone Voice call Voice Recorder Video Recorder Microphone Signal Flow MIC is enable by MIC Bias CCO MIC1P MIC1N signals to AB3000 Check Points Check Points Microphone bias Audio signal level of the microphone Soldering of components Signal from the mic MIC R616 on main board C624 C625 on main board AB3000 Z 3 X B O X C O M ...

Page 108: ... of MIC AND MIC 2 4Volt Change the MIC Check the signal level at C624 at the putting Audio signal in MIC Does it work properly END Yes Yes Yes No A few hundred of mV of the signal measured Change the main B d Check the MIC bias level at the pad of MIC Resolder C624 C625 and try again If fail again change the main Bíd 3 2 1 No Yes Yes No Z 3 X B O X C O M ...

Page 111: ...rt Headset Does the Headset icon display on the main LCD Can you hear sine wave out of the receiver Change the main Bíd END YES YES YES NO NO NO Does the level of R412 under 0 5Volt NO Does the level of R412 over 2 0Volt YES N0 YES Does the sine wave appear at FB400 FB401 Resolder CN400 Pins or change the Headset 1 2 6 7 Resolder R603 R605 And try again from the start 4 Does the sine wave appear a...

Page 112: ... Does it work properly Try again from the start END YES YES YES NO NO NO Change the main Bíd Does the level of R640 under 0 5Volt NO Does the level of R412 over 2 0Volt YES N0 Change the main B d YES Check the signal level at C406 at the putting Audio signal in MIC Resolder C406 and try again If fail again Change the main Bíd A few hundred of mV Of the signal measured at C406 Resolder R640 And try...

Page 113: ... 6 Headset LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 114 3 1 4 R640 2 5 R412 6 CN400 B SIDE C406 Z 3 X B O X C O M ...

Page 114: ...nto the battery Check Point Connection of TA Charging current path Battery Trouble shooting setup Connect TA and battery to the phone Trouble Shooting Procedure Check the charger connecter Check the Charging current Path Check the battery BATT_GND route as a differential pair 2012 1 4W 1 D1 D2 D3 D4 G1 G2 S1 S2 SIA911DJ Q600 0 1 R611 VBAT_D H1 VBUS J1 CHSENSE DCIO F3 G11 FGSENSE CHREG E2 E1 CHSENS...

Page 115: ...raining and service purposes start Check the pin and battery connect terminals of I O connector Connection OK Change I O connector NO YES Change TA NO YES Is it charging properly END YES NO Change the board 1 2 3 NO Is the TA voltage 5 1V NO after changing Q600 1 2 3 Trouble Shooting Charging Z 3 X B O X C O M ...

Page 116: ...17 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Main Board Bottom side I O connector and FET 1 3 2 Z 3 X B O X C O M ...

Page 117: ...ics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 118 4 12 Checking Bluetooth Block start 1 Check AB3000 Block 2 Check BT Chip Block VDDK_2V75 C610 VDDE_1V8 C603 Main Board Bottom side AB3000 block Z 3 X B O X C O M ...

Page 118: ... All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 119 Sub Board Bottom side Bluetooth Chip and Antenna Chip Antenna BT chip Output VDDK_2V75 C109 VDDE_1V8 C112 Sub Board Top side Pin 38 21 40 20 1 CN100 BT chip Z 3 X B O X C O M ...

Page 119: ...nector SW101 WCDMA Tx SAW Filter FL202 WCDMA Power Detector U203 WCDMA Rx SAW Filter FL201 WCDMA Isolator IS201 WCDMA DC DC Converter U202 WCDMA Duplexer FL203 WCDMA PA U201 GSM Rx SAW Filter FL103 WCDMA Power Coupler N201 PCS Rx SAW Filter FL102 Thermistor R112 DCS Rx SAW Filter FL101 26MHz Crystal X101 GSM DCS PCS EDGE PA Ant SW U101 Description Reference Description Reference U203 U102 U202 U10...

Page 120: ...G 121 4 14 Procedure to check start Oscilloscope setting 1 Check Power Source Block 2 Check VCXO Block Agilent 8960 Test mode WCDMA Ch 9750 Uplink Ch 10700 Downlink 4 Check WCDMA Block Agilent 8960 Test mode GSM Ch 62 P L 7 level setting Ch 62 60dBm setting 5 Check GSM Block Redownload SW Cal 3 Check Ant SW Module Z 3 X B O X C O M ...

Page 121: ...ectronics Inc All right reserved Only for training and service purposes 4 15 Checking Common Power Source Block Step 1 PAM VBAT Block Step 2 GSM PAM Block Step 3 WCDMA PAM Block Main Board Bottom side Common Source Block GSM PA VBAT WCDMA DC DC VBAT Z 3 X B O X C O M ...

Page 122: ...ource input or not Yes No Proceed to the Step 2 3 7V OK No Yes Check the Power Supply Short No Yes Soldering Check Component CN600 In Power Source Block Check Point CN600 in Power Source Block To Check Power source Change Board Check C617 CN600 in Block to check inner line connection From C617 to D601 Main Board bottom side Step 1 VBAT Block Main Board bottom side Power Source Block Check point C6...

Page 123: ...if main power source input or not Check C617 C103 C104 in Block to check inner line connection From C617 to C103 C104 Check Point C617 in Power Source Block To Check Power source 3 7V OK Yes No Proceed to the Step 3 3 7V OK No Yes Check the Power Supply Short No Yes Soldering Check Component CN600 In Power Source Block Change Board Figure 4 6 Step 2 GSM PAM Block Bottom C103 C104 GSM PAM Z 3 X B O...

Page 124: ...lock Check Point C617 in Power Source Block To Check Power source Change Board Main Board bottom side PAM Power Source Check C213 C617 in Block to check inner line connection From C213 to C617 WCDMA PAM DC DC Converter Check point C617 Check point CN600 C213 125 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Z 3 ...

Page 125: ...603 Common Input Power is OK See The Next Part Check Point VRADA_2V8 R602 AB3000 R602 VRADA_2V8 R603 VDIGRAD_1V8 Schematic Power 1u C602 VRADA_2V8 VDDC_2V65 VDDG_2V75 VDDF_2V5 VDDK_2V75 R639 0 C603 2 2u VDDH_CAM_CORE VDDD_1V5 VBAT R602 0 VDIGRAD_1V8 1u C601 F12 VDD_D VDD_E D12 C12 VDD_A EXTLDO B11 VDDE_1V8 0 R603 VDDC_2V65 VDDE_1V8 VRADA_2V8 VDDD_1V5 VDIGRAD_1V8 VBAT AB3000 VRADA_2V8 RF3000 RF3100...

Page 126: ...ce frequency 26MHz from U103 GSM Transceiver RF3000 is used WCDMA TX part and BB part Therefore 3 test points in the following figure should be checked Main board bottom side Phone Oscilloscope Notebook to send TP command Connection for Checking VCXO Block WCDMA Transceiver RF3100 GSM Transceiver RF3000 Digital Base Band DB3100 U103 U204 U301 X101 Crystal Z 3 X B O X C O M ...

Page 127: ...Transceiver part If you already check this crystal part you can skip check 1 Test Point Crystal Part C139 Figure 4 15 26MHz at R211 11 WBCLK XON 13 14 XOP 16 12 GNDA11 15 GNDA12 GNDD 17 MCLK 100K R111 100K R113 C139 120K 26MHz KSX 23 26000KFA QA0R X101 1 2 3 4 MCLK WCLK Schematic Crystal Part C139 MCLK Test Point Crystal Part Figure 4 15 26MHz at R211 Z 3 X B O X C O M ...

Page 128: ...s Check 2 26MHz at WCDMA TX part Figure 4 16 1 Test point 26MHz at TX part C230 Figure 4 17 26MHz at C230 C230 5 6p VGACTL 11 REFIN 15 CLK DATA 12 EN 14 16 NC4 13 WCLK RF_CTRL_CLK RF_CTRL_DATA RF_CTRL_STRB Figure 4 16 2 Schematic 26MHz at TX part Figure 4 16 1 Test point 26MHz at TX part Figure 4 17 26MHz at C230 C230 Z 3 X B O X C O M ...

Page 129: ...BB part C139 Figure 4 20 26MHz at C139 11 WBCLK XON 13 14 XOP 16 12 GNDA11 15 GNDA12 GNDD 17 MCLK 100K R111 100K R113 C139 120K 26MHz KSX 23 26000KFA QA0R X101 1 2 3 4 MCLK LK SYSCLK0 Y16 MCLK W14 100K R304 VDDE_1V8 MCLK SYSCLK0 Figure 4 19 Schematic 26MHz at BB Part Figure 4 18 Test point 26MHz at BB part MCLK Baseband DB3100 MCLK C139 Z 3 X B O X C O M ...

Page 130: ...r training and service purposes Check C139 Refer to Figure 4 15 Yes Check C230 Refer to Figure 4 17 Yes VCXO part has a problem Changing XTAL or U103 Checking 1 3 26MHz at VCXO Checking 2 26MHz at TX part VCXO part is O K Check next stage VCXO part has a problem Changing XTAL or U103 No No Z 3 X B O X C O M ...

Page 131: ...53 GND4 12 54 GND40 GND41 55 56 GND42 GND43 57 58 GND44 59 GND45 60 GND46 GND47 61 62 GND48 13 GND5 GND6 18 GND7 19 20 36 37 GND23 GND24 38 39 GND25 GND26 40 GND27 41 42 GND28 GND29 43 11 GND3 44 GND30 GND31 45 46 GND32 47 GND33 48 GND34 GND35 49 50 GND36 GND37 DCS_RX2 ENABLE 1 GND1 9 23 GND10 24 GND11 25 GND12 27 GND13 28 GND14 GND15 29 30 GND16 31 GND17 GND18 32 GND19 33 GND2 10 34 GND20 35 GND2...

Page 132: ...ics Inc All right reserved Only for training and service purposes 4 18 Checking Front End Module Block input logic 4 18 1 Mode Logic by TP Command EGSM Tx ANTSW0 ANTSW1 ANTSW2 WCDMA DCS PCS Tx EGSM RX DCS Rx PCS Rx ANTSW0 ANTSW1 ANTSW2 ANTSW0 ANTSW1 ANTSW2 Z 3 X B O X C O M ...

Page 133: ...ght 2008 LG Electronics Inc All right reserved Only for training and service purposes L H L WCDMA H H H PCS Rx L H H DCS Rx H L H EGSM Rx H H L PCS Tx H H L DCS Tx H L L EGSM Tx Antsw2 Antsw1 Antsw0 Mode Table 4 1 Front End module Logic Z 3 X B O X C O M ...

Page 134: ...is part must check common power source through AB3000 part TP Command MODE 0 SWRX 64 1024 Open High OK Resoldering Check each mode By TP command Change the Board No No No Yes Yes Yes Check soldering C105 Check Soldering It is necessary to check short condition Using Tester Check 3 capacitors ANTSW0 C105 ANTSW1 C113 ANTSW2 C112 Check ANTSW0 C105 To check Switch input power source Z 3 X B O X C O M ...

Page 135: ...right reserved Only for training and service purposes A EGSM Rx mode EGSM Rx MODE 0 SWRX 64 1024 EGSM Rx Logic OK See the Next mode EGSM Tx Mode Change the Board No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 ANTSW1 ANTSW2 High High Low Figure 4 22 EGSM Rx Mode Z 3 X B O X C O M ...

Page 136: ...ng and service purposes B EGSM Tx mode EGSM Tx MODE 0 SWTX 1 64 7 EGSM Tx Logic OK See the Next mode DCS Tx Mode No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 High ANTSW1 Low ANTSW2 High WON Low Change the Board Change U101 ANTSW0 ANTSW1 ANTSW2 Low High Low No Yes Figure 4 23 EGSM Tx Mode Z 3 X B O X C O M ...

Page 137: ...l right reserved Only for training and service purposes C DCS Rx mode DCS Rx MODE 2 SWRX 699 1024 DCS Rx Logic OK See the Next mode DCS Tx Mode Change the Board No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 ANTSW1 ANTSW2 Low High High Figure 4 24 DCS Rx Mode Z 3 X B O X C O M ...

Page 138: ... right reserved Only for training and service purposes D PCS Rx mode PCS Rx MODE 1 SWRX 661 1024 PCS Rx Logic OK See the Next mode PCS Tx Mode Change the Board No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 ANTSW1 ANTSW2 High High High Figure 4 25 PCS Rx Mode Z 3 X B O X C O M ...

Page 139: ...c All right reserved Only for training and service purposes E DCS PCS Tx mode DCS PCS Tx MODE 2 SWTX 1 699 0 DCS Tx Logic OK WCDMA Mode Change the Board No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 ANTSW1 ANTSW2 High High Low Figure 4 26 DCS PCS Tx Mode Z 3 X B O X C O M ...

Page 140: ...ining and service purposes F WCDMA mode WCDMA Mode MODE 4 WTXC 10700 1 890 903 542 557 WCDMA Logic OK Input Signal and Power to Front End Module block is OK See the Next Page Change the Board No No Yes Yes Try 4 17 part 4 17 part Check OK ANTSW0 ANTSW1 ANTSW2 Low High Low Figure 4 27 WCDMA Mode Z 3 X B O X C O M ...

Page 141: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes start 1 Check VCXO Block 4 Check RF TX Level 3 Check Control Signal Re download SW Cal 2 Check Front End Module 6 Check RF RX Level 5 Check PAM Block Bottom View Ł º Ø Œ Z 3 X B O X C O M ...

Page 142: ... for training and service purposes 4 19 1 Checking VCXO Block Refer to 4 17 4 19 2 Checking Ant SW module Refer to 4 18 4 19 3 Checking Control Signal First of all control signal should be checked data clk strobe PIN14 STROBE PIN13 CLK PIN12 DAT Figure 4 28 1 Test points Control Signal Z 3 X B O X C O M ...

Page 143: ...ining and service purposes C230 5 6p VGACTL 11 REFIN 15 17 RXIA 18 RXIB 19 RXQA RXQB 20 CLK DATA 12 EN 14 16 NC4 13 WCLK RF_CTRL_CLK RF_CTRL_DATA RF_CTRL_STRB Figure 4 28 2 Schematic Control Signal Phone Oscilloscope Notebook to send TP command Figure 4 29 Connection for Checking Control Signal Z 3 X B O X C O M ...

Page 144: ...PIN8 CLK PIN7 DAT Similar Control Signal is O K Check next stage Download the SW Check PIN12 PIN13 PIN14 Check shape and pk pk level Refer to Figure 4 30 Yes No If signal is not OK even after downloading Change the U301 TP Command MODE 4 WTXC 10700 1 890 903 542 557 SYCT 10700 PIN6 STROBE PIN8 CLK PIN7 DAT Figure 4 30 Control Signal Z 3 X B O X C O M ...

Page 145: ... 19 4 Checking RF TX Level Check 1 SW101 Check 3 C115 Ant Check 6 C208 PAM Input Check 4 IS201 Isolator Output Check 5 IS201 Isolator Input Check 2 C114 FEM Output Phone Spectrum Analyzer Notebook to send TP command Check 7 C219 RF3100 Output Figure 4 31 Test point RF TX Level Fig 4 32 Connection for Checking RF TX Level Z 3 X B O X C O M ...

Page 146: ...eserved Only for training and service purposes Fig 4 33 1 Output Level at RF test connector SW101 Fig 4 33 2 Output Level at FEM Output C107 Fig 4 33 3 Output Level at C115 Ant Fig 4 33 2 Output Level at FEM Output C114 Fig 4 33 4 Output Level at Isolator Output IS201 2 Out Z 3 X B O X C O M ...

Page 147: ...opyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Fig 4 33 5 Output Level at Isolator Input IS201 3 In Fig 4 33 6 Output Level at PAM Input C208 Fig 4 33 7 Output Level at RF3100 Output C219 Z 3 X B O X C O M ...

Page 148: ...robe Refer to Figure 4 33 2 No Yes The C114 will be broken Change the C114 Check 3 About 19dBm Check the power at the C115 Ant with probe Refer to Figure 4 33 3 No Yes The C115 has any problem Change the C115 Check 4 About 19dBm Check the power at the IS201 2 with probe Refer to Figure 4 33 4 No Yes The IS201 has any problem Change the IS201 Check 5 About 17dBm Check the power at the IS201 3 I wit...

Page 149: ...8 LG Electronics Inc All right reserved Only for training and service purposes 4 19 5 Checking PAM Block DC DC converter Duplexer Output C227 WCDMA PAM VCC_PA C201 from DC DC Bottom WPAM input C208 Figure 4 34 Test points of WCDMA TX PAM block Z 3 X B O X C O M ...

Page 150: ... To Check PAM output WCDMA PAM is OK See the Next page Level 10dBm No Download the SW Calibrate Level 2dBm Check C208 To Check PAM Input level Check the WCDMA RF Tx Chip RF3100 Yes Yes 1 3V Check C207 To Check PAM control signal from RF3100 WPA_BIAS Check the RF3100 to WCDMA PAM Signal line 3 2V Check C201 To Check PAM VCC BIAS from DC DC converter VCC_PA No No No Change the DC DC Yes Yes Change T...

Page 151: ... All right reserved Only for training and service purposes 4 19 6 Checking RX I Q To verify the RX path you have to check the pk pk level and the shape of the RX I Q WRX_I_P R209 WRX_I_N R208 WRX_Q_ P R207 WRX_Q_ N R206 Figure 4 35 RF3100 WCDMA Transceiver Bottom Z 3 X B O X C O M ...

Page 152: ...nics Inc All right reserved Only for training and service purposes Feed a CW signal at 2142MHz with a power level of ñ60dBm About 2 MHz Figure 4 36 1 RX I Q signal CW 2142MHz WRX_Q_P R207 WRX_Q_N R206 WRX_I_N R208 WRX_I_P R209 Figure 4 36 2 RX I Q signal Z 3 X B O X C O M ...

Page 153: ...he Agillent 8960 Feed a CW signal at 2142MHz Set the RX Continuous mode Check the Mean level at R206 R207 R208 R209 With Oscilloscope Refer to Figure 4 36 1 Yes No Check the frequency at R206 R207 R208 R209 With Oscilloscope Refer to Figure 4 36 2 Yes No Verify whether the signal was similar as Figure 4 36 2 with Oscilloscope Yes No About 160mV About 2MHz Similar Check Next Stage Change RF3100 U20...

Page 154: ...ght reserved Only for training and service purposes 4 20 Checking GSM Block start 2 Check VCXO Block 5 Check RF TX Path 4 Check Control Signal Re download SW Cal 3 Check FEM Module 6 Check RF RX Path 1 Check VRADA_2V75 VDIGRAD_1V8 Ø Œ º Ł Figure 4 37 1 GSM Block Bottom Z 3 X B O X C O M ...

Page 155: ...ock Refer to 4 17 Checking VCXO block IF you already check this point while checking VCXO block 4 17 You can skip this test 4 20 3 Checking Front End Module Refer to 4 19 2 Checking Ant SW Module IF you already check this point while checking Ant SW module 4 19 2 You can skip this test LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes...

Page 156: ...for training and service purposes 4 20 4 Checking Control Signal Test Program Script MODE 0 SWTX 1 64 7 1024 1 RF_CTRL_STR B PIN6 RF_CTRL_CLK PIN8 RF_CTRL_DAT A PIN7 GSM PAM RF3000 Figure 4 38 Test points of RF control signals STRB STRB CLK CLK DATA DATA Figure 4 39 GSM RF Control signal Z 3 X B O X C O M ...

Page 157: ...s Inc All right reserved Only for training and service purposes Similar Check PIN6 PIN7 PIN8 of RF3000 Check if there is any Major difference Refer to Figure 4 39 Yes No Re download SW Short Yes No Change the board Control signal is OK See next page to check Z 3 X B O X C O M ...

Page 158: ...TING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 20 5 Checking RF Tx Path A GSM Tx path Level Figure 4 40 GSM DCS PCS Tx Path Level Z 3 X B O X C O M ...

Page 159: ...LE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Bottom PIN 19 20 21 22 Figure 4 41 Test Points of GSM DCS PCS Tx Path Z 3 X B O X C O M ...

Page 160: ...any Major difference Refer to Figure 4 42 GSM 32dBm DCS 29dBm PCS 29dBm No See Next page to check Tx path Similar Yes GSM DCS PCS Tx path OK See Chapter 4 8 6 to check Rx path v Agilent 8960 Setting GSM BCH TCH Mode v Oscilloscope Setting 2 DCS Tx MODE 2 SWTX 1 699 0 1024 1 Test Program Script 1 GSM Tx MODE 0 SWTX 1 64 5 1024 1 3 PCS Tx MODE 1 SWTX 1 661 0 1024 1 Figure 4 42 GSM DCS PCS Tx Level a...

Page 161: ...sceiver Output power at No Yes Redownload SW DCS PCS Tx C135 GSM Tx R104 U103 RF3000 Vapc PIN 2 162 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 4 43 GSM DCS PCS Transceiver RF3000 Z 3 X B O X C O M ...

Page 162: ...S 30 0dBm Yes Changing GSM PAM U101 Check GSM DCS PAM output power at C114 GSM Tx path OK See Next page to check Check Vapc level Check if there is any Major difference Refer to Figure 4 44 1 Yes No Redownload SW Cal GSM 1 5 V No DCS PCS Tx C114 GSM Tx C114 Vapc PIN 2 DCS PCS 1 3 V GSM EDGE PAM Ant SW U101 Figure 4 44 1 Test points of GSM DCS PCS Tx Z 3 X B O X C O M ...

Page 163: ...pyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 20 6 Checking RF Rx Path A GSM Rx path Level GSM 50dBm DCS 50dBm PCS 50dBM GSM 51 5dBm DCS PCS 51 7dBm Figure 4 45 GSM DCS PCS Rx Path Level Z 3 X B O X C O M ...

Page 164: ...Rx MODE 2 DCS 1 PCS SWRX 1 699 0 1024 1 Test Program Script 1 GSM Rx MODE 0 SWRX 1 64 5 1024 1 v Agilent 8960 Setting CW Mode GSM 50dBm Ch65 948MHz DCS 50dBm Ch700 1842 8MHz PCS 50dBm ch700 1967 8MHz v Oscilloscope Setting GSM EDGE PAM U101 GSM Transceiver RF3000 U103 DCS Rx PCS Rx GSM Rx Figure 4 46 Test Points of GSM DCS PCS Rx Z 3 X B O X C O M ...

Page 165: ... Level Check GSM Rx path OK Check GSM DCS PCS Rx signal level at v Agilent 8960 Setting CW Mode GSM 50dBm Ch65 948MHz DCS 50dBm Ch700 1842 8MHz PCS 50dBm ch700 1967 8MHz Yes GSM 51 5dBm DCS PCS 51 7dBm Change Ant SW module U101 No GSM EDGE PAM U101 GSM Transceiver RF3000 U103 DCS Rx PCS Rx GSM Rx Figure 4 49 GSM DCS PCS Rx path Z 3 X B O X C O M ...

Page 166: ...table software can operate properly To upgrade the software of the phone The software of the phone may be changed to enhance the performance of the phone The older version software of the phone can be replaced to the newer version Download Tools LGDP2 Download tool for KT520 software 5 2 Download Environment Setup Items needed to download SW images with LGDP2 A USB Cable B Cable Adapter Gender for...

Page 167: ...irst time of installation 1 step go to the directory LGDP2_VXX wrapper_USBDriver 2 step click erasedrv exe 3 setp click installme bat Although install is to do not install USB driver And then can be operate plug play If you see Found New Hardware when phone is connect after complete install and then follow as indicated blew when connect the phone must be check that phone should be turn off and bat...

Page 168: ...ining and service purposes C Select Search for the best driver in these locations in Found New Hardware Wizard D Select Include this location in the search in Found New Hardware Wizard E Push the Browse Button and then select USB driver Information file This File is provided with LGDP2 Z 3 X B O X C O M ...

Page 169: ...right 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 170 F Select Mobile Equipment USB Flash in Found New Hardware Wizard G Continue Anyway You must be select this Z 3 X B O X C O M ...

Page 170: ...al Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes H Please wait while the wizard installs the software I Push the Finish Button in Found New Hardware Wizard Z 3 X B O X C O M ...

Page 171: ...exe In the window of Model Buyer Choice Select OK key after checking the UMTS in Division Selection Press the OK after the following setting Port Selection After checking the USB Mode it should be checked for the download port from COM57 to COM72 DLL Selection Selecting the DLL file in C DOWNLOAD Model KT520 Run Download Configuration AP Image Select the BIN file in C DOWNLOAD Model KT520 MP Image...

Page 172: ...LOAD LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Select USB Mode KT520 KT520 KT520 KT520 KT520 KT520 KT520 KT520 KT520 KT520 Z 3 X B O X C O M ...

Page 173: ...re download Before connecting the Phone it is standby mode for Download After connecting Phone the download will be processed cf If cannot be process when connecting to Phone check the USB LED and displaying the port in device management of NEXUS II During the D Load Displaying the message about port D Load Error Font color turn to red and display the Fail D Load PASS Font color turn to blue and d...

Page 174: ...g and service purposes GSM WCDMA RF Block DCDC U202 GSM TRx U103 RF3000 UMTS TRx U204 RF3100 Antenna Test Conn SW101 GSM PAM with FEM U101 Duplexer FL203 Isolator IS201 UMTS PAM U201 UMTS TX Filter FL202 UMTS RF Filter FL201 Crystal 26M X101 Bluetooth Antenna Bluetooth U101 STLC2500 Figure 6 1 RF Block Diagram Z 3 X B O X C O M ...

Page 175: ...t Connector KMS 512 SW101 TRX Bluetooth STLC2500 U101 GSM DCS PCS Tri with FEM PAM SKY77513 U101 TRX TRx RF3000 U103 Bluetooth TRX Modem DB3150 U301 TX Isolator CES201G95DCB000 IS201 TX PAM SKY77174 U201 TX DC DC LM3208DS U103 TX Tx RF Filter SAFEB1G95KA0F00 FL102 RX RX RF Filter SAFEB2G14FA0F00 FL100 TRX TRx RF3100 U104 TRX Duplexer SAYZY1G95EA0B00 FL203 WCDMA Reference 13M Crystal KSX 23 26000KF...

Page 176: ...GND28 GND29 43 11 GND3 44 GND30 GND31 45 46 GND32 47 GND33 48 GND34 GND35 49 50 GND36 GND37 DCS_RX2 ENABLE 1 GND1 9 23 GND10 24 GND11 25 GND12 27 GND13 28 GND14 GND15 29 30 GND16 31 GND17 GND18 32 GND19 33 GND2 10 34 GND20 35 GND21 GND22 U101 SKY77513 21 ANT 3 BS_1 BS_2 4 2 DCS_PCS_IN DCS_RX1 14 15 10u 100K R111 C104 5 6p C133 C125 22p 22p L101 22nH C128 C116 DNI 100K R113 220 R107 24 R106 SAFEB94...

Page 177: ...V8 SAFEB1G95KA0F00 FL202 2 G1 5 G2 3 G3 IN 1 OUT 4 9 10 TXQB 4 TX_1 VCCLORX 24 6 VCCLOTX 31 VCCRX 40 VCCTX 22 VDD VGACTL 11 VDIGRAD_1V8 23 25 NC6 NC7 26 NC8 28 NC9 30 PGND 41 REFIN 15 38 RF_DAC1 RF_DAC2 39 17 RXIA 18 RXIB 19 RXQA RXQB 20 21 TST TXIA 7 8 TXIB TXQA CLK DATA 12 EN 14 1 GNDTX 27 LNA1_IN 29 LNA1_OUT 35 MIX1_A MIX1_B 36 2 NC1 32 NC10 NC11 33 34 NC12 37 NC13 NC2 3 NC3 5 16 NC4 NC5 SAFEB2...

Page 178: ... EMIF1_SDCKEN EMIF1_SDCLK D4 B5 EMIF1_SDCS_N C4 EMIF1_SDRAS_N EMIF1_WE_N C5 B13 EMIF2_A01 EMIF2_A02 A12 A13 EMIF2_A03 EMIF2_A04 A14 B14 EMIF2_A05 EMIF2_A06 B15 A15 EMIF2_A07 EMIF2_A08 B16 EMIF1_D01 D3 E5 EMIF1_D02 EMIF1_D03 E4 F5 EMIF1_D04 EMIF1_D05 F4 F3 EMIF1_D06 EMIF1_D07 G3 G4 EMIF1_D08 EMIF1_D09 G5 H3 EMIF1_D10 EMIF1_D11 H4 J4 EMIF1_D12 EMIF1_D13 J3 K4 EMIF1_D14 EMIF1_D15 K3 EMIF1_SDBS01_A14 ...

Page 179: ...415 51K DNI R641 OUT2 5 9 PGND VBAT TX FL402 NUF2114MN 1 IN1 4 IN2 NC1 2 NC2 3 6 NC3 NC4 7 8 OUT1 ULCE0505C015FR VA403 VDD_CAM_AF 0 1u C413 4 7u C416 2 5 6 3 1 4 VDDE_1V8 Q401 EMX18 C407 0 1u 0 1u C408 4 7u TP402 VBUS VCC F3 B5 VCC_IO1 VCC_IO2 B2 F5 XTAL1 XTAL2 F6 C412 C1 D1 DP FAULT E2 GND1 C5 D2 GND2 GND3 E4 D3 ID NC1 F1 F2 NC2 D5 NXT PSW_N D4 E6 REF1V8 E3 REG3V3 C2 RREF STP D6 TEST C4 F4 CFG0 E...

Page 180: ...DE_1V8 R506 47 D501 5 G1 10 G2 INOUT_A1 1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E070R100FR FL504 FB502 1 1u C504 1u 2 C506 0 22p C517 VDD_CAM_AF VDDH_CAM_CORE 8 C516 DNI INSTPAR VDDK_2V75 FB501 ESD9X5 0ST5G ZD504 22p C513 47 R508 22p 47 R505 C502 0 1u C526 VDD_CAM_1V8 VBAT D603 RB521S 30 KB_STAR 70 8 9 G1 G2 G3 G4 56 57 58 59 6 60 61 62 63 64 65 66 6...

Page 181: ... VSS_A VSS_B K1 VSS_BEAR VDD_ADC1 VDD_ADC23 L6 VDD_BEAR K5 A11 VDD_C M8 VDD_CODEC F12 VDD_D E3 VDD_DIG VDD_E D12 A9 VDD_F VDD_G A7 B12 VDD_H F9 VDD_IO VDD_K M12 VDD_PLL M1 VDD_SPKR L3 B6 VIBR D10 TEST TRICKLE G1 H11 TXON VBAT_A D11 E12 VBAT_B A5 VBAT_C VBAT_D H1 VBAT_E A12 A8 VBAT_F M11 VBAT_G VBUCK B2 VBUS J1 C8 VDDADC A2 VDDBUCK J11 VDDLP C12 VDD_A J7 C1 F4 SDO2 SIMCLK H5 SIMDAT H2 G10 SIMOFF_N ...

Page 182: ...VDDG_2V75 VSS_BT_RF C107 100K R100 0 1u VDD VSS C102 CD_DAT3_CS CLK_SCLK CMD_DI DAT0_DO DAT1_RSV DAT2_RSV GND GND 38 39 4 40 5 6 7 8 9 SCHA1A0102 S100 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 36 37 G1 G2 1 10 11 12 13 14 15 16 17 18 19 2 20 21 CN100 NA L100 VDDG_2V75 NA R124 0 L101 0 1u R102 100K C100 100K R103 VDDE_1V8 R104 100K BP1 5 BP2 4 2 BP_DC G1 3 G2 6 U_BP 1 R119 DNI VDDK_2V75 FL100 DEA...

Page 183: ...8 B5 D3 VCC A3 VL NLSX3013 IC A4 EN D4 GND I_OVCC1 C1 D1 I_OVCC2 UP VDD_CAM_2V8 CANCEL END 8 C103 0 01u 9 3 GND IN 2 LDO1 4 5 LDO2 16 M1 M2 15 M3 14 13 M4 OUT 25 28 P1 P2 17 24 PGND 1 PIN REFBP 6 7 SETF SETM BGND 29 22 C1N C1P 23 C2N 27 26 C2P ENF 21 18 ENLDO 20 ENM1 ENM2 19 F1 12 11 F2 10 F3 F4 VDD_CAM_1V8 MAX8631XETI U100 LD104 SSC TWH104 HL 1 10 2 3 4 5 6 7 8 9 G1 G2 G3 G4 DOWN CN102 APP_GP11_O...

Page 184: ...1 PDI_D3 PDI_D5 MOTOR_N KEYOUT3 KEYOUT2 KEYOUT1 KEYIN5 KEYIN4 KEYIN3 APP_GP06_OJ_SCLK APP_GP05_OJ_MOSI APP_GP04_OJ_MISO APP_GP07_OJ_MOTION_n APP_GP11_OJ_CS_n ACC_GP12_KEY_LED_ON PDI_D0 MOTOR_P CI_PCLK LCD_CS_n ONSWA_n SYSCLK0 SPK_RCV_N SPK_RCV_P PDI_D6 LCD_RD LCD_RES_n LCD_RS_n APP_GP15_CAM_LDO_CTRL ONSWA_n KEYOUT4 PDI_D2 PDI_D3 PDI_D4 PDI_D5 PDI_D6 PDI_D7 ACC_GP12_KEY_LED_ON APP_GP14_VC_IO_OFF AP...

Page 186: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA Pin Map 187 8 BGA Pin Map DB3150 Digital BB Index mark NC Pin Z 3 X B O X C O M ...

Page 188: ... 189 8 BGA Pin Map LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes RF3000 GSM Transceiver NC Pin Z 3 X B O X C O M ...

Page 189: ... 190 8 BGA Pin Map LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes RF3100 WCDMA Transceiver NC Pin Z 3 X B O X C O M ...

Page 191: ... 192 8 BGA Pin Map K5D1G12ACD D075 Memory LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes NC Pin Z 3 X B O X C O M ...

Page 192: ...ronics Inc All right reserved Only for training and service purposes CN503 Main conn No VGA Camera No Speaker No Display No Vibration No Optical Mouse No Power On CN502 Hall Effect IC No Slider off detection LD501 502 Key Backlight LED No Key LED Z 3 X B O X C O M ...

Page 193: ...nnection U101 FEM WCDMA GSM RX Sensitivity Tx Power No Service U103 GSM Transceiver GSM RX Sensitivity Tx Power No Service FL101 102 103 GSM Rx SAW Filter GSM RX Sensitivity No Service U600 PMIC No Power On No Service No Charging U301 BB chip DB3150 No Power On No Display No Service U204 WCDMA Transceiver WCDMA RX Sensitivity Tx Power No Service FL202 WCDMA Tx SAW Filter WCDMA Tx Power No Service ...

Page 194: ...LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes CN100 Sub PCB conn No Micro SD No BT Connection FL101 Micro SD Level Shifter No Micro SD Z 3 X B O X C O M ...

Page 195: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes BAT100 Backup Battery RTC Reset FL100 BT Balun No BT Connection U101 BT Chip No BT Connection Z 3 X B O X C O M ...

Page 197: ...t reserved Only for training and service purposes CN100 LCD FPCB conn No VGA Camera No Speaker No Display No Vibration No Optical Mouse No Power On CN101 LCD Conn No Display CN102 Optical Mouse conn No Optical Mouse U100 Optical Mouse Level Shifter No Optical Mouse Z 3 X B O X C O M ...

Page 198: ...Inc All right reserved Only for training and service purposes CN101 Main conn No VGA Camera No Speaker No Display No Vibration No Optical Mouse No Power On CN102 LCD FPCB conn No VGA Camera No Speaker No Display No Vibration No Optical Mouse No Power On Z 3 X B O X C O M ...

Page 199: ... 200 9 PCB LAYOUT LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes CN100 VGA Camera conn No VGA Camera Z 3 X B O X C O M ...

Page 200: ...LMON Environment 10 2 1 H W Environment PC with RS 232 Interface GPIB card installed GSM GPRS EDGE WCDMA Multimedia Mobile Set Agilent 8960 Series 10 E5515C Instrument E1987A ver A 05 28 Tektronix PS2521G Power Supply or Agilent A66311B ETC GPIB cable Serial cable RF cable Power cable Dummy battery 10 2 2 S W Environment National Instrument GPIB VISA ver 2 60 full driver install Agilent 8960 VXI d...

Page 201: ... calibrations described within this document LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes A 3 0 Supply current V 3 8 3 7 3 6 Vbatt 75 40 20 Relative Humidity C 30 25 15 Temperature Unit Max Typ Min Parameter Table 10 1 Nominal Environmental Test Conditions Z 3 X B O X C O M ...

Page 202: ...g to calibrate the mobile phone the service engineers make a configuration of calibration environment like Figure10 1 And if you finish making configuration please execute the Hot Kimchi program See Figure10 2 Hot Kimchi supports following functions Calibration of EGSM 900 DCS 1800 PCS1900 and WCDMA Instrument Agilent8960 Tektronix PS2521G control UART communication with mobile phone Z 3 X B O X C...

Page 203: ...alibration LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 4 2 Setting Select a ezlooks Select Off line in the EZLOOKS MODE Z 3 X B O X C O M ...

Page 204: ...n LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Select a Line System Select Manual in the RUN MODE Select your com port appropriately Z 3 X B O X C O M ...

Page 205: ...ectronics Inc All right reserved Only for training and service purposes Select a Logic Operation Select Logic Mode you want 1 CAL only 2 AUTO only 3 CAL AUTO Select your com port appropriately MONitor Port is to communicate with 2 5G mobile phone Z 3 X B O X C O M ...

Page 206: ...ation LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 4 3 Calibration Procedure Select a model name KT520 Click the START button Z 3 X B O X C O M ...

Page 208: ... right reserved Only for training and service purposes 1 2 3 4 5 6 7 8 9 10 11 14 15 16 17 18 19 20 21 29 22 26 27 23 24 25 28 37 39 40 41 42 38 30 31 32 33 34 35 36 43 45 46 44 79 83 86 85 84 82 81 80 75 74 78 77 76 73 72 71 70 69 68 67 65 66 64 63 62 61 60 59 55 54 56 58 57 29 53 52 51 50 49 48 47 13 12 Z 3 X B O X C O M ...

Page 209: ...7 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 11 EXPLODED VIEW REPLACEMENT PART LIST 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 210: ...7 18 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 13 9 5 3 2 11 EXPLODED VIEW REPLACEMENT PART LIST ASSY LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes Z 3 X B O X C O M ...

Page 212: ...U0020201 COMPLEX empty Black 74 4 MPFD00 PLATE GROUND MPFD0004801 PRESS STS Without Color 75 4 MTAB00 TAPE PROTECTION MTAB0210901 COMPLEX empty Without Color 79 4 MTAD00 TAPE WINDOW MTAD0079901 COMPLEX empty Without Color 77 4 MWAE00 WINDOW CAMERA MWAE0031601 MOLD Tempered Glass Black 78 3 ACGQ00 COVER ASSY SLIDE ACGQ0022801 Black 4 ABGF00 BUTTON ASSY MAIN ABGF0001601 Silver M 61 4 ABGG00 BUTTON A...

Page 213: ...4 5 MPBJ00 PAD MOTOR MPBJ0050401 COMPLEX empty Without Color 30 5 MPBN00 PAD SPEAKER MPBN0051001 COMPLEX empty Without Color 31 5 MPBT00 PAD CAMERA MPBT0052601 COMPLEX empty Without Color 32 5 MPBU00 PAD CONNECTOR MPBU0017301 COMPLEX empty Without Color 39 5 MPBU02 PAD CONNECTOR MPBU0017501 COMPLEX empty Without Color 40 5 MTAG00 TAPE BUTTON MTAG0008001 COMPLEX empty Black 38 4 ACGS00 COVER ASSY S...

Page 214: ...0170901 COMPLEX empty Blue 62 4 MLAZ00 LABEL MLAZ0038303 PRINTING empty White 4 MTAC00 TAPE SHIELD MTAC0072901 COMPLEX empty Gold 17 4 MTAC01 TAPE SHIELD MTAC0072801 COMPLEX empty Gold 15 4 MTAC02 TAPE SHIELD MTAC0071101 COMPLEX empty Gold 22 6 MPBF00 PAD FLEXIBLE PCB MPBF0034601 COMPLEX empty Without Color 6 ADCA00 DOME ASSY METAL ADCA0075001 SUB Without Color 24 6 MTAC00 TAPE SHIELD MTAC0070401 ...

Page 215: ...eader 6 SPCY00 PCB FLEXIBLE SPCY0123701 POLYI 0 2 mm DOUBLE 4 SAEY00 PCB ASSY KEYPAD SAEY0060401 C 25 5 SAEB00 PCB ASSY KEYPAD INSERT SAEB0024701 5 SAEE00 PCB ASSY KEYPAD SMT SAEE0027601 6 SAEC00 PCB ASSY KEYPAD SMT BOTTOM SAEC0026101 7 C100 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C101 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 7 C102 CAP CERAMIC CHIP ECCH0004904 1...

Page 216: ...30 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R131 RES CHIP MAKER ERHZ0000451 27 ohm 1 16W J 1005 R TP 7 R134 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 7 U100 IC EUSY0295501 TQFN PIN R TP 6 BLU 2 LDO 1 Flash LED Drv 4 4 7 ZD100 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 7 ZD101 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 7 ZD102 DIODE TVS E...

Page 217: ...069001 COMPLEX empty Without Color 5 SVCY00 CAMERA SVCY0016301 CMOS MEGA 3M AF Samsung LSI 1 4 SOC FPCB 4 SVLM00 LCD MODULE SVLM0028101 MAIN 240 320 57 74 4 40 1 5 262k TFT TM TBJT6K98 2 2Inch Single _CR_2000 D 16 3 SAFY00 PCB ASSY MAIN SAFY0266501 64 4 SAFB PCB ASSY MAIN INSERT SAFB0081901 5 SAKY00 PCB ASSY SIDEKEY SAKY0007201 6 SAKF00 PCB ASSY SIDEKEY SMT SAKF0000601 7 SAKC00 PCB ASSY SIDEKEY SM...

Page 218: ... NP0 TC 1005 R TP 6 C128 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C129 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C130 CAP CERAMIC CHIP ECCH0000185 5 6 pF 50V C NP0 TC 1005 R TP 6 C131 CAP CERAMIC CHIP ECCH0000185 5 6 pF 50V C NP0 TC 1005 R TP 6 C132 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C133 CAP CERAMIC CHIP ECCH0000185 5 6 pF 50V C NP0 TC 100...

Page 219: ... CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C302 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C303 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C304 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C305 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C306 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C307 CAP C...

Page 220: ...5 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C402 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C403 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C404 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C405 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C406 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C407 CAP CE...

Page 221: ...P 6 C604 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C605 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C606 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C607 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C608 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C609 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C610...

Page 222: ...ype 6 CN501 CONNECTOR BOARD TO BOARD ENBY0015601 34 PIN 0 4 mm STRAIGHT AU 0 9MM HEIGHT 6 CN502 CONNECTOR BOARD TO BOARD ENBY0029501 40 PIN 0 4 mm ETC H 3 0 Socket 6 CN600 CONNECTOR ETC ENZY0020401 3 PIN 2 5 mm BOTTOM 6 D401 DIODE SWITCHING EDSY0017601 USF 30 V 1 A R TP 22A 667mW empty empty empty 1 6 D600 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 D601 DIODE ...

Page 223: ...104 INDUCTOR CHIP ELCH0001036 5 6 nH S 1005 R TP PBFREE 6 L105 INDUCTOR CHIP ELCH0001032 18 nH J 1005 R TP PBFREE 6 L106 INDUCTOR CHIP ELCH0003824 10 nH J 1005 R TP chip inductor PBFREE 6 L107 INDUCTOR CHIP ELCH0001036 5 6 nH S 1005 R TP PBFREE 6 L108 INDUCTOR CHIP ELCH0001039 2 7 nH S 1005 R TP PBFREE 6 L201 CAP CERAMIC CHIP ECCH0000112 15 pF 50V J NP0 TC 1005 R TP 6 L202 INDUCTOR SMD POWER ELCP0...

Page 224: ... TP 6 R203 RES CHIP ERHY0003501 220 ohm 1 16W J 1005 R TP 6 R204 RES CHIP MAKER ERHZ0000500 62 ohm 1 16W J 1005 R TP 6 R205 RES CHIP MAKER ERHZ0000500 62 ohm 1 16W J 1005 R TP 6 R206 RES CHIP MAKER ERHZ0000527 200 ohm 1 6W J 1005 R TP 6 R207 RES CHIP MAKER ERHZ0000527 200 ohm 1 6W J 1005 R TP 6 R208 RES CHIP MAKER ERHZ0000527 200 ohm 1 6W J 1005 R TP 6 R209 RES CHIP MAKER ERHZ0000527 200 ohm 1 6W ...

Page 225: ...N PAD SHORT SAFP0000501 6 R605 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 6 R606 RES CHIP MAKER ERHZ0000265 300 Kohm 1 16W F 1005 R TP 6 R608 RES CHIP ERHY0017201 0 025 ohm 1 4W F 2012 R TP 6 R610 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R611 RES CHIP MAKER ERHZ0003901 0 1 ohm 1 4W F 2012 R TP 0 1 1 1 4W 2012 R TP 6 R612 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R613 RES CHIP MAKER ERHZ0000486...

Page 226: ... PAM 650mA 3 4V 6 U203 IC EUSY0299401 6 PIN R TP 0 3_2v 6 U204 IC EUSY0327901 HVQFN40 40 PIN R TP WCDMA Transceiver 6 6 1 0 OM6195HN 6 U300 IC EUSY0338202 FBGA 107 PIN ETC FULLY 1 8V 1G LB 128Mx8 NAND 512M 8Mx4x16 SDRAM IC MCP 6 U301 IC EUSY0327501 BGA 344 PIN R TP 3 6Mbps HSDPA Digital Baseband 6 U401 IC EUSY0223002 HVSOF5 5 PIN R TP 150mA CMOS LDO WITH OUTPUT CONTROL 2 8V 6 U402 IC EUSY0320201 T...

Page 227: ... 1005 R TP 6 CN503 CONNECTOR BOARD TO BOARD ENBY0022801 70 PIN 0 4 mm ETC H 0 9 Socket 6 D501 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 D603 DIODE SWITCHING EDSY0011901 EMD2 30 V 1 A R TP VF 1 5V IF 200mA IR 30uA VR 10V 6 FL403 IC EUSY0269001 CSP 20 PIN R TP ESD protection Filtering for analog signals Pb free 6 FL500 FILTER EMI POWER SFEY0011601 SMD SMD 18 V ...

Page 228: ...VS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 6 ZD503 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 6 ZD504 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 6 ZD505 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 6 ZD506 DIODE TVS EDTY0009101 SOD 923 5 V 150 mW R TP 1 0 0 6 0 4 3 SAJY00 PCB ASSY SUB SAJY0030101 P 69 4 SAJB00 PCB ASSY SUB INSERT SAJB0015501 4 SAJ...

Page 229: ...CH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C101 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C102 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 CN100 CONNECTOR BOARD TO BOARD ENBY0043301 40 PIN 0 4 mm STRAIGHT 0 40MM STRAIGHT MALE SMD empty 6 FL101 IC EUSY0334202 BGA 20 PIN R TP Levelshifter sdcard 6ch IC Bus Controller 6 R100 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W...

Page 230: ... BLACK 6 2mm Plug Datacable empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003213 10mW 16 OHM 105dB 10KHZ 450HZ empty BLACK EARPHONE HOUSING SILVER 18P MMI CONNECTOR LOW COST STEREO 18P 5P 3 SSAD00 ADAPTOR AC DC SSAD0024501 100 240V 5060 Hz 5 1 V 7 A CE AC DC ADAPTOR 85Vac 264Vac 5 1V 0 15V 0 2V 700mA 5060 WALL 2P I O CONNECTOR ADAPTOR AC DC SSAD0024502 100 240V 5060 Hz 5 1 V 0 7 A CE AC DC ADAPTOR 5 ...

Page 231: ...Note Z 3 X B O X C O M ...

Page 232: ...Note Z 3 X B O X C O M ...

Search results

Summary of Contents for KT520

Reviews:

Brands by name

Popular brands

LG KT520, Service Manual

Search results

Summary of Contents for KT520

Reviews:

Brands by name

Popular brands