LG FM300 Service Manual Download Page 29

Page: 29 / 128

4. TROUBLE SHOOTING

- 9 -

Only for training and service purposes

LGE Internal Use Only

4. TROUBLE SHOOTING

TP6

X400

TP2

TP3

R140

Q102

R141

Q103

L102

TP7

U202

TP5

TP1

Q102

L102

TP7

TP5

Q104

R152

TP4

R152

Summary of Contents for FM300

Page 1: ...Internal Use Only Service Manual FM300 Date January 2011 Issue 1 0 ...

Page 2: ...er onTrouble 3 75V LTE power 31 4 4 SIM cardTrouble 35 4 5 Power LED IndicationTrouble 41 4 6 Ethernet LED IndicationTrouble 43 4 7 RGB LED IndicationTrouble 45 4 8 USB ConnectionTrouble 47 4 9 Ethernet ConnectionTrouble 52 4 10 LTE RF Component Primary 55 4 11 LTEVCXOTrouble 56 4 12 LTETxTrouble 58 4 13 Power onTrouble LTE BootingTrouble 60 4 14 MemoryTrouble shooting 64 5 DOWNLOAD 67 6 BLOCK DIA...

Page 3: ...use of common carrier telecommunication service of facilities accessed through 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 tel...

Page 4: ...uipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems G 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 repairs are made to a system b...

Page 5: ...itive White Gaussian Noise AWGN Additional Maximum Power Reduction A MPR j y Constant Current Constant Voltage CC CV Base Station BS Cyclic Prefix CP dB relative to 1 milli watt dBm Di it l C i ti S t DCS Digital to Analog Converter DAC Continuous Wave CW Downlink Control Information DCI Electrical Erasable Programmable Read Only Memory EEPROM Digital Signal Processing DSP Digital Communication Sy...

Page 6: ...n Minimum Shift Keying GMSK Flexible Printed Circuit Board FPCB Frequency Division Duplex FDD Low Drop Output LDO Liquid Crystal Display LCD Intermediate Frequency IF International Portable User Identity IPUI Global System for Mobile Communications GSM Offset Phase Locked Loop OPLL Light Emitting Diode LED Low Drop Output LDO Modulation and Coding Scheme MCS Orthogonal Frequency Division Multiple ...

Page 7: ...m Access Memory SRAM Sending Loudness Rating SLR Subscriber Identity Module SIM Surface Acoustic Wave SAW Travel Adapter TA Side Tone Masking Rating STMR Pseudo SRAM PSRAM Signal to Noise Ratio SNR Universal Asynchronous Receiver Transmitter UART Time Division Multiple Access TDMA Time Division Duplex TDD User Equipment UE Wireless Application Protocol WAP Voltage Control Temperature Compensated C...

Page 8: ... indicators only Power Indicator Blinking white Start up or new firmware is being Power Indicator Blinking white Start up or new firmware is being downloaded Do not turn off or reboot the device during the process Solid white Normal operation Off Power off Signal Indicator Red Internet connection is not available Weak signal strength ll l bl d Yellow Internet connection is available Medium signal ...

Page 9: ... dBm Occupied Bandwidth 10 MHz Channel Bandwidth 10 MHz d Adjacent Channel Leakage Power Ratio ACLR UTRAACLR1 33 dB Adjacent channel center frequency offset in MHz 7 5 MHz UTRAACLR2 36 dB Adjacent channel center frequency offset in MHz 12 5 MHz E UTRAACLR 30 dB Adjacent channel center frequency offset in MHz 10 MHz E UTRA channel Measurement bandwidth 9 MHz UTRA 5MHz channel Measurement bandwidth ...

Page 10: ...pectrum Flatness If FUL_measurement FUL_low 3MHz and If FUL_high FUL_measurement 3 MHz Æ 2 2 dB If FUL_measurement FUL_low 3 MHz or or If FUL_high FUL_measurement 3 MHz Æ 3 5 dB ΔfOOB boundary between E UTRA channel and spurious emission domain for 10 MHz channel bandwidth 15 MHz Frequency Range Maximum Level Measurement Bandwidth Transmitter Spurious Emission 9 kHz d f 150 kHz 36 dBm 1 kHz 150 kH...

Page 11: ...25 dBm at each antenna port a u put e e a u t oug put 95 e or 5 dB at eac a te a po t Adjacent Channel Selectivity ACS ACS 33 dB where Maximum throughput 95 for Channel BW 10MHz Adjacent Channel Interferer ACI frequency offset 7 5MHz ACI BW 5MHz Spurious Response Maximum throughput 95 when Î refsens 6 dBm Ibl ki 44 dBm when Îor refsens 6 dBm Iblocking 44 dBm Intermodulation Maximum throughput 95 w...

Page 12: ... four being LAN ports Each port can be programmed to support four level priority queues for quality of service IEEE 802 1p QoS IEEE 802 1q VLAN IGMP snooping and IP DiffServ ToS are also supported The MAC is IEEE 802 3u compliant and supports a frame size up to 1536 bytes supported The MAC is IEEE 802 3u compliant and supports a frame size up to 1536 bytes General IEEE 802 11n compliant Integrated...

Page 13: ...onal data strobe DQS transmitted received with data that is source synchronous data capture x16 has two one per byte Internal pipelined double data rate DDR architecture two data accesses per clock cycle Differential clock inputs CK and CK Commands entered on each positive CK edge DQS edge aligned with data for READs centeraligned with data for WRITEs DLL t li DQ d DQS t iti ith CK DLL to align DQ...

Page 14: ... MHz maximum clock frequency 2 7 V to 3 6 V single supply voltage Supports legacy SPI protocol and new Quad I O or Dual I O SPI protocol Quad Dual I O instructions resulting in an equivalent clock frequency up to 432 MHz XIP mode for all three protocols Configurable via volatile or non volatile registers enabling the memory to work in XiP mode directly after power on Program Erase suspend instruct...

Page 15: ...58U an external Crystal unit is used The XTAL ground is separated from main ground for reducing noise It is used for the various clocks including the clock for the 10 100 MAC core 25 MHz and the MIPS32 74K UART and USB 2 0 host in BCM5358U Figure 3 4 Crystal Circuit diagram 600 FB400 220 R407 0 R406 33p C422 33p C423 20MHz CXC3X200000GHVRG00 EXXY0027801 X400 4 2 3 1 HOT1 HOT2 GND1 GND2 600 FB401 X...

Page 16: ...e scheme is shown in figure SIM Interface SIM_CLK SIM card reference clock SIM_RST SIM card Async sync reset SIM_DATA SIM card data SIM_PWR SIM card power source LTE_USIM_DET SIM card detection to LTE Module NP_USIM_DET SIM card detection to BCM5358U It is optional Not used Figure 3 5 SIM 0 1u C339 R350 0 6 0 3 R K 1 TP302 TP303 DNI R351 100p C340 33p C341 33p C342 4 7K R348 SIM_PWR S300 ENSY00230...

Page 17: ...M5358U which is the Main chipset Ethernet Interface PORT1_TDP Plus signal of Ethernet transmit pair PORT1_TDN Minus signal of Ethernet transmit pair PORT1_RDP Plus signal of Ethernet receive pair PORT1_RDN Minus signal of Ethernet receive pair Figure 3 6 Transformer RJ 45 220 FB100 8 2p C153 8 2p C154 8 2p C151 8 2p C152 0 1u C132 0 1u C131 0 1u C128 75 R134 0 6 3 1 R VDD_2 5 10u C130 10u C129 0 R...

Page 18: ...1 N I V LX3 2 D N G P L N E PGND6 LX2 PGND3 1 D N G P LX1 V S P N E 3 N I V D O O G P 2 D N G A 3 D N G A N O T M I L I VIN5 FB VLDO LX4 AGND1 R11 100K C18 100n 100n C19 SC424 EUSY0369702 U1 3 31 6 1 30 3 2 7 2 9 2 6 2 2 2 0 1 5 2 15 3 1 16 20 19 8 2 4 1 21 8 9 7 2 4 2 2 1 5 18 1 1 17 4 VOUT PGND4 4 N I V PGND5 VIN T S B X L S X L V5V BST 2 N I V 1 N I V LX3 2 D N G P L N E PGND6 LX2 PGND3 1 D N G...

Page 19: ...ace Main AHB Sub AHB The peripherals was included the DMA Controller DDR Controller L2000 Modem Subsystem EPI P SPI SMI SRAM Controller Flash Memory Controller SDIO USBs Crypto C ell Boot ROM Internal SRAM by AMBA AHB bus interface and CPU APB Bridge AHB2APB which controls SIM UART0 UART1 GPIO Timer TMU TMOS W t h D Ti I2C I t t C t ll SYSC CPG DBG b AMBA APB b i t f 3 2 1 LTE Modem L2000 U201 Wat...

Page 20: ...more the memory can be operated with 3 different protocols Standard SPI Extended SPI protocol Dual I O SPI Quad I O SPI The Standard SPI protocol is enriched by the new quad and dual instructions Extended SPI protocol For Dual I O SPI DIO SPI all the instructions codes the addresses and the data are always transmitted across two data lines For Quad I O SPI QIO SPI the instructions codes the addres...

Page 21: ...h i li d ff hi circuitry in the module including the PA input and interstage matching Output match is realized offchip within the module package to optimize efficiency and power performance into a 50 Ω load The SKY77704 8 is manufactured with Skyworks BiFET process which provides for all positive voltage DC supply operation while maintaining high efficiency and good linearity Primary bias is suppl...

Page 22: ...is used The temperature Compensation helps to minimize the initial synchronization time within a UMTS network The module has no Dedicated enable pin as its supply line is routed through SMARTi UE and open if not needed Figure 3 11 TCXO Circuit Diagram 10n C205 100n C200 200K R203 2V8_TCXO 33 R202 U200 NL17SZ04XV5T2G 3 4 2 5 VCC GND 2V8_TCXO 10n C201 100n C204 33n C203 100 R200 19 2MHz X200 TG 5025...

Page 23: ...ate with BBP S Gold3 and the SIM power supply enabled by PMIC SIM Interface SIM_CLK SIM card reference clock SIM_RST SIM card Async sync reset y y SIM_IO SIM card bidirectional reset Figure 3 12 SIM Interface 2V6_IO 100n C600 U600 NCN4555 2 17 5 4 1 1 3 1 10 11 6 3 9 8 12 4 6 1 5 1 7 C C V _ M I S O I 4 C N NC1 NC3 O I _ M I S SIM_RST VDD 2 C N SIM_CLK GND K L C STOP_ T S R T A B V G_SLUG MOD_VCC ...

Page 24: ...2 Q1 EBK61571901 SI7121DN 1 S 2 S 3 S G 1 D 2 D 3 D 4 D 5 D 6 D 7 D C106 DNI DNI C109 D1 EDSY0020101 B340A C3 1u C8 2 2u C9 10n 2 R K 1 9 1 C12 47p C1 DNI SPPH410100 4 3 5 2 6 1 2 0 1 N C ESPY0001701 C4 1u 0 1 R K 7 4 U2 EUSY0369702 SC424 3 31 6 1 30 3 2 7 2 9 2 6 2 2 2 0 1 5 2 15 3 1 16 20 19 8 2 4 1 21 8 9 7 2 4 2 2 1 5 18 1 1 17 4 VOUT PGND4 4 N I V PGND5 VIN T S B X L S X L V5V BST 2 N I V 1 N...

Page 25: ...4 TROUBLE SHOOTING 25 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING D1 TP2 Q1 U2 R14 TP4 TP1 TP3 CN100 CN102 ...

Page 26: ...rposes LGE Internal Use Only 1 Check the 12V voltage TP1 No Check soldering CN100 DC Jack or replace START 2 Check the 12V voltage TP2 Yes No Check soldering Q1 D1 Yes 3 Push the PWR S W Check TP3 is high No Check soldering CN102 R14 4 Check the TP4 Check soldering of U2 or No Yes Yes TP4 3 3V replace FINISH ...

Page 27: ...03 EBK61591901 SIA426DJ D1 D2 D3 D4 D5 G S1 S2 0 R144 1u C111 R152 0 0 R154 1 R140 VDD_3 3 4 0 1 Q EQBP0008701 2SB1424 1 3 2 C E B Q102 EBK61473001 SI7403BDN S1 S2 S3 G D1 D2 D3 D4 D5 D6 D7 1 R141 VDD_3 3 10u C133 0 1u C134 I N D 9 3 1 R VDD_1 2 VDD_2 5 0 1u C139 0 1u C149 10u C150 C156 22u L102 EAP61746101 NR5040T3R3N 3 3u 22u C135 22u C136 VCNTL SWREG_NDRIVE SWREG_PDRIVE VSENSE2P5 SWREG_VFB_SEN ...

Page 28: ...NI C223 VDD_3 3 VDD_3 3 DNI R224 U202 EUSY0432601 N25Q128 A13BF840E 9 5 4 6 3 7 2 8 1 S_ VCC DQ1 HOLD_ DQ3 W_VPP DQ2 C VSS DQ0 G_SLUG SFLASH_DATA_IN SFLASH_CS SFLASH_DATA_OUT SFLASH_CLK SERIAL FLASH 128Mb 600 FB400 220 R407 0 R406 33p C422 33p C423 20MHz CXC3X200000GHVRG00 EXXY0027801 X400 4 2 3 1 HOT1 HOT2 GND1 GND2 600 FB401 XTAL_OUT XTAL_IN XTAL_GND GND 20MHz CRYSTAL TP7 TP6 ...

Page 29: ...pyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP6 X400 TP2 TP3 R140 Q102 R141 Q103 L102 TP7 U202 TP5 TP1 Q102 L102 TP7 TP5 Q104 R152 TP4 R152 ...

Page 30: ...3 TP3 1 2V Yes No Check Soldering Q102 Q103 L102 If soldering is fine replace them N Yes 5 Check voltage TP5 TP5 2 5V Yes No Check the Q104 Soldering If soldering is fine replace Q104 4 Check voltage TP4 TP4 2 5V Check the R152 Soldering No Yes 6 Check XTAL_OUT Signal TP6 TP6 20MHz No Check the X400 Soldering If soldering is fine replace X400 Yes 7 Check SFLASH DATA TP7 No Check the U202 Soldering...

Page 31: ...in source power of LTE Module 12V is Supplied From Adaptor to Modem Æ Passes DC DC and 3 75V is supplied for LTE Module 0 0 1 R I N D 0 1u C17 6 1 C I N D 0 2 C u 1 6 1 R K 0 2 1 0 1u C107 7 1 R K 0 2 1 R101 DNI CN100 ENJW0002601 KJA DC 0 0037 4 5 3 10n C108 ZD100 EAH61438301 PSD24C LF 1 2 Q1 EBK61571901 SI7121DN 1 S 2 S 3 S G 1 D 2 D 3 D 4 D 5 D 6 D 7 D C106 DNI DNI C109 D1 EDSY0020101 B340A TP1 ...

Page 32: ... 7 4 9 R 1u C5 DNI C2 47p C11 K 1 9 1 1 R 10n C10 2 2u C7 1u C6 KRX102U EQBA0000601 1 0 1 Q 5 4 1 2 3 0 4 2 1 R 3 2 1 R K 0 1 C126 DNI 2 2u L101 100K R12 DNI R13 5 1 R K 0 2 1 VDD_3 75 0 1u C121 C119 22u 5 R K 0 3 C14 10u 5 5 1 R I N D 100K R103 C120 22u C105 22u 10u C13 LTE_PWR_EN LTE_EN TP5 TP318 22u C300 TP317 TP308 TP314 TP304 TP305 SIM_PWR TP306 TP307 TP315 CN300 ENZY0030701 24 6407 052 001 8...

Page 33: ...TROUBLE SHOOTING 33 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP3 TP4 D1 U1 Q101 CN100 TP5 R124 TP2 Q1 CN300 TP1 ...

Page 34: ... CN100 DC Jack or replace START 2 Check the 12V voltage TP2 3 Check TP3 is high No Check soldering Q1 D1 Yes No Check the BCM boot up or not Yes 4 Check the TP4 TP4 5V Check the soldering Q101 R124 No Yes Yes 4 Check the TP5 TP5 3 75V Check the soldering U1 If soldering is fine replace U1 No 4 Check the LTE module connection Reassemble the LTE module or replace CN300 LTE module No FINISH Yes ...

Page 35: ... C354 TP314 DNI C353 VDD_2 6_LT VDD_3 3 TP310 TP309 TP313 TP312 4 7K R363 100n C352 100n C351 IC303 6 7 5 8 4 9 3 10 2 11 1 2 1 N E VL VCC I_OVL1 I_OVCC1 I_OVL2 I_OVCC2 I_OVL3 I_OVCC3 I_OVL4 I_OVCC4 D N G TP304 TP305 SIM_PWR TP306 TP307 TP315 CN300 ENZY0030701 24 6407 052 001 888 54 53 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13...

Page 36: ...BLE SHOOTING 36 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP1 R306 TP R308 TP2 CN300 S300 TP4 TP2 R350 TP3 IC303 U103 ...

Page 37: ...dering 2 Insert SIM Card check TP1 TP1 high low 3 Check voltage TP2 TP2 2 6V high low No g R308 S300 If soldering is fine replace S300 Yes No Check the Soldering IC303 U103 If soldering is fine replace IC303 4 Check signal TP3 TP3 2 6V pulse When insert SIM card Check the Soldering R350 CN300 S300 No Yes Yes FINISH Yes 4 Check voltage TP4 TP3 3V Check the Soldering CN300 If soldering is fine repla...

Page 38: ...b Board TP2 TP4 TP3 TP1 TP3 TP4 TP2 2V6_IO 100n C600 U600 NCN4555 2 17 5 4 1 1 3 1 10 11 6 3 9 8 12 4 6 1 5 1 7 C C V _ M I S O I 4 C N NC1 NC3 O I _ M I S SIM_RST VDD 2 C N SIM_CLK GND K L C STOP_ T S R T A B V G_SLUG MOD_VCC SYS_PWR 100n C604 SIM_PWR 100n C605 SIM_RST SIM_CLK SIM_DATA SIM_PWRDOWN SIM_PWRSEL T S R M I S K L C M I S A T A D M I S TP1 TP4 TP3 TP2 ...

Page 40: ...START Connect to your PC Check the soldering of SIM L T Check TP1 Can you see the level of 2 85V Resolder U600 SIM L T Resolder U600 Yes No No of 2 85V Check TP2 SIM I O Is it looks li ke fig4 2 Resolder U600 Yes Yes No Check TP3 Can y ou see the Clock si gnal fig 4 1 Yes No Check TP4 Is it hi gh level No Resolder U600 Resolder U600 Replace main PCB g Yes ...

Page 41: ...ining and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 5 Power LED Indication Trouble TP1 TP2 TP1 LD100 R114 TP1 Q100 R114 TP2 LD100 EDLM0009901 67 21 L9C W4556W1X1B2 2T VDD_3 3 I N D 0 1 1 R DNI C110 DNI C116 R104 10 1K R114 Q100 EQBN0005301 UMT2222A 1 2 3 PWR_LED TP2 TP1 ...

Page 42: ... service purposes LGE Internal Use Only START 1 Check Output voltage TP1 TP1 3 3V No Check the Soldering R104 START Yes 1 Check Output voltage TP2 TP2 3 3V Yes No Check the Soldering R114 If soldering is fine replace U200 Check the Soldering LD100 Q100 If soldering is fine replace LD100 FINISH Yes ...

Page 43: ...ectronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 6 Ethernet LED Indication Trouble TP1 TP2 LD302 R347 TP1 TP2 2 0 3 D L VDD_3 3 DNI C338 100 R347 DNI C335 LAN1_ACT_GPIO1 TP1 TP2 ...

Page 44: ...ck the Soldering U2 Connect to IAD with LAN cable Yes 1 Check Output voltage TP1 TP1 3 3V Yes Check the Soldering U2 If soldering is fine replace U2 1 Check Output voltage TP2 TP2 Low No Check the Soldering U2 If soldering is fine replace U2 Check the LD602 Soldering If soldering is fine change LD602 Yes TP2 Low When LED turn On Yes If soldering is fine replace U2 FINISH Yes ...

Page 45: ...D Indication Trouble TP3 TP1 TP2 TP3 LD304 Q305 Q306 R353 R355 I N D 4 5 3 R Q307 EQBN0005301 UMT2222A 1 2 3 Q306 EQBN0005301 UMT2222A 1 2 3 Q305 EQBN0005301 UMT2222A 1 2 3 LD304 EDLS0002201 67 23 B7GBREW B32 2T 2 1 4 3 R A B G DNI R362 5 5 3 R 0 0 1 VDD_3 75 DNI C334 1K R360 DNI C346 1K R361 DNI C347 DNI C348 3 5 3 R 0 3 LQI_LED0 LQI_LED1 LQI_LED2 DNI TP2 TP1 TP3 ...

Page 46: ...t voltage TP1 TP1 3 75V No Check the Soldering U1 If soldering is fine replace U1 START Yes 2 LQI_LED0 is high and Red LED turn on No Check the Soldering Q305 R355 LD304 If soldering is fine replace Q305 or LD304 Yes 2 LQI_LED1 is high and Green LED turn on Yes No Check the Soldering Q306 R353 LD304 If soldering is fine replace Q306 or LD304 FINISH ...

Page 47: ...9068701 1 2 3 4 G2 G1 DNI R382 DNI R381 VDD_3 3 47K R305 1K R321 100n C317 Q300 EQBN0009301 DTC114EM T2L C B E 0 0 3 D 2 1 3 FL302 5 6 3 1 4 2 P2 P4 P1 P3 6 P 5 P R380 0 USB1_SELECT CON_USB1_DP CON_USB1_DM USB1_SENSE TP1 TP3 VDD_3 3 1u C358 K 7 4 9 0 3 R DG2722 EUSY0386501 U300 10 9 8 7 4 3 5 2 6 1 D HSD1 D HSD2 GND HSD2 HSD1 _OE V S DNI R385 R384 0 0 3 8 3 R USB1_SELECT CON_USB1_DP CON_USB1_DM LT...

Page 48: ...SHOOTING 48 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING R384 R309 TP4 TP2 U300 R383 R380 FL302 TP1 R380 Q300 R321 CN301 TP3 ...

Page 49: ... START Connect to PC with USB cable Yes TP1 goes from high to low 2 Check TP2 TP2 goes from high to low Yes If soldering is fine replace Q300 No Check the Soldering R384 R309 R383 3 Check the signal TP3 Yes No Check the Soldering FL302 CN301 If soldering is fine replace FL302 Yes 4 Check the signal TP4 Check the Soldering U300 CN300 If soldering is fine replace LTE module No FINISH Yes ...

Page 50: ...ND CE D N G P 0 R547 1V5_DCDC K 0 1 8 4 5 R RF_PWR_EN RXPLL_PWR_EN TXPLL_PWR_EN TP1 u 0 1 1 2 5 C 1V2_RF n 0 0 1 0 2 5 C K 0 0 1 7 1 5 R 47p C515 100K R513 2 2u L502 VLS3012T 2R2M1R5 K 0 1 5 1 5 R n 0 0 1 6 1 5 C u 7 4 7 1 5 C SYS_PWR U502 RT8016L GQW 8 4 5 3 6 2 7 1 GND1 FB_VOUT EN GND2 VIN LX 1 C N 2 C N 0 R511 RF_PWR_EN RT8016L GQW 8 4 5 3 6 2 7 1 U508 GND1 FB_VOUT EN GND2 VIN LX 1 C N 2 C N u ...

Page 51: ...P1 1 2V CHECKING FLOW Yes No Check the R538 Soldering If soldering is fine change U506 2 Check TX_PLL voltage TP2 TP2 1 2V 3 Check DCDC Output voltage TP3 TP3 1 5V No Check the R540 Soldering If soldering is fine change U507 Yes No Check the R546 Soldering If soldering is fine change U508 4 Check 1 2V_RF voltage TP4 TP4 1 2V Check the R511 Soldering If soldering is fine change U502 No Yes FM300 ki...

Page 52: ... 0 1u C131 0 1u C128 75 R134 0 6 3 1 R VDD_2 5 10u C130 10u C129 0 R138 0 R137 0 R135 C127 1n 0 R133 U104 ELCP0009412 TLA 6T118LF 14 16 12 10 1 8 9 13 11 6 7 5 4 3 2 15 CM2 V_CTR1 TD NC1 NC2 V_CTR2 RD RX NC4 RX RD TD CM1 NC3 TX TX PORT1_RDN PORT1_RDP PORT1_TDN PORT1_TDP P1_RDP P1_RDN P1_TDP P1_TDN TP4 RF DCDC C137 1n C138 1n CN101 ENZY0030801 85507 5001 10 8 4 7 3 6 2 5 1 9 G1 G4 G3 G2 0 0 5 1 R 0...

Page 53: ...G 53 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP3 TP4 TP3 TP1 U104 TP2 TP4 R138 R137 R133 R135 U603 R643 TP2 TP5 TP6 R643 CN101 ...

Page 54: ...rnal Use Only 1 Check TP1 TP2 No Check the Soldering CN101 f ld f l START Connect to IAD with LAN cable Yes 1 Check TP1 TP2 Vpp 1V 2 Check TP3 TP4 Vpp 1V Yes If soldering is fine replace CN101 No Check the Soldering U104 R137 R138 2 Check TP5 TP6 Vpp 1V Yes No Check the Soldering U104 R133 R135 Yes Replace U202 FINISH Yes ...

Page 55: ...Internal Use Only 4 TROUBLE SHOOTING 4 10 LTE RF Component Primary U201 SW101 U100 FL101 SW100 U102 SW101 U101 X200 Figure 4 1 U201 LTE Modem L2000 U102 Power Amp Module SKY77704 8 U101 Power Amp Module SKY77704 8 X200 VCTCXO_19 2MHz TG 5021CG SW100 101 RF Connector Primary Secondary FL101 Duplexer U100 RX LNA BGA751L7 ...

Page 56: ...ibrated to generate the 19 2MHz with very low ppm The AFC voltage is about 1 4V at R205 TP1 point and VCC voltage is about 2 8V at C201 TP2 The 26MHz must be checked at C202 TP3 TP1 TP1 TP2 TP3 TP2 TP3 C201 TP1 TP2 R200 C204 Figure 4 2 10n C205 100n C200 200K R203 2V8_TCXO 33 R202 U200 NL17SZ04XV5T2G 3 4 2 5 VCC GND 2V8_TCXO 10n C201 100n C204 33n C203 100 R200 19 2MHz X200 TG 5025CG 19_2M 3 2 6 5...

Page 57: ...d Only for training and service purposes LGE Internal Use Only 1 Check the VCC TP2 CHECKING FLOW No Check the U502 LP8725 B VCC 2 8V 2 Check the AFC voltage TP1 VC 1 4V Yes U502 LP8725 B No Check the U201 L2000 3 Check the frequency 19 2MHz TP3 Yes No Change the X201 Finish ...

Page 58: ...p C124 10u C126 49 9 R119 10u C127 680p C128 0 R105 1n C117 1n C118 1n C119 SYS_PWR DNI R113 47p C113 698M960M HHM1726T4 FL103 6 5 2 4 1 3 B2 UB B1 1 D N G 2 D N G C N C111 1n 47p C114 L107 1p R117 27n 4 7n L100 L103 47p C151 15p U101 SKY77704 18 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VMODE_1 CPL_IN VMODE_0 GND VEN CPL_OUT L112 10n L102 3 3n 47p C116 DNI R118 10n C130 1n C122 2 2u C131 ...

Page 59: ... FLOW 1 Check the Tx signal path TP1 2 Ch k th T Yes No Check the U201 L2000 No Check the No 2 Check the Tx signal path TP2 No Yes No Check the U102 SKY77704 8 TP5 3 7V TP4 High No change the U201 L2000 Yes Change the U102 Check the No Finish 3 Check the Tx signal path TP3 No Check the U101 SKY77704 8 TP7 3 7V TP6 High No Change the U201 L2000 Yes Change the U101 ...

Page 60: ...21 2 2u C522 2 2u C523 10K R525 10K R523 10u C512 100n C513 1u L504 LQM2HPN1R0MG0 1u L503 LQM2HPN1R0MG0 U501 LP8725 B F4 E5 E1 B1 F3 B5 C5 F5 F1 2 F A5 D5 C2 B2 C1 E2 3 D C3 A1 C4 B3 A3 D4 E3 D2 B4 E4 2 A 1 D A4 VIN_LILO2 2 N I V 3 N I V FB1 FB2 DEFSEL EN_PWR_ON SCL LILO2 B2_EN_PS_HOLD SDA LDO4 RESET_N D N G CONFIG LDO3 LDO3_EN DVS VINB1 GNDB2 1 N I V LDO1 GNDB1 VINB2 SW2 LILO1 LDO5 LDO2 SW1 VIN_L...

Page 61: ...Use Only X300 DSX321G 12MHz 8PF 12MHz 2 1 3 4 1M R322 220 R325 15p C303 15p C302 EXTAL1_OUT EXTAL1_IN TP7 10n C205 100n C200 200K R203 2V8_TCXO 33 R202 U200 NL17SZ04XV5T2G 3 4 2 5 VCC GND 2V8_TCXO 10n C201 100n C204 33n C203 100 R200 19 2MHz X200 TG 5025CG 19_2M 3 2 6 5 4 1 VC VCC TP1 TP2 GND OUT TCXO_IN AFC_OUT REF_CLK_OUT TP8 ...

Page 62: ...4 TROUBLE SHOOTING 62 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP3 TP4 U501 TP1 TP2 TP6 TP7 TP5 TP8 ...

Page 63: ...o Check the R509 Soldering If soldering is fine change U501 Yes 5 Check SXTAL voltage TP5 TP5 2 6V Yes No Check the U601 Soldering If soldering is fine change U503 4 Check TCXO voltage TP4 TP4 2 8V Check the R516 Soldering If soldering is fine change U501 No Yes 6 Check SYS_PLL voltage TP6 TP6 1 3V No Check the U605 Soldering If soldering is fine change U504 Yes 7 Check EXTAL Frequency TP7 No Chec...

Page 64: ...EM C611 1u TP1 U602 NLSX4014MUTAG 6 7 5 8 4 9 3 10 2 11 1 2 1 N E VL VCC I_OVL1 I_OVCC1 I_OVL2 I_OVCC2 I_OVL3 I_OVCC3 I_OVL4 I_OVCC4 D N G 10K R610 2V6_IO 3V3_MEM 100n C603 100n C601 3 1 6 R K 0 1 SPI4_CS SPI4_MISO SPI4_CLK SPI4_MOSI SPI4_CS_LT SPI4_MISO_LT SPI4_CLK_LT SPI4_MOSI_LT U601 N25Q128 A13BF840E 9 5 4 6 3 7 2 8 1 S_ VCC DQ1 HOLD_ DQ3 W_VPP DQ2 C VSS DQ0 G_SLUG 10K R612 3V3_MEM 100n C602 1...

Page 65: ...4 TROUBLE SHOOTING 65 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING TP3 TP4 U601 TP2 TP1 U603 U602 ...

Page 66: ...HECKING FLOW Yes No Check the U603 Soldering If soldering is fine 2 Check voltage TP2 TP2 2 6V Yes No Check the R509 Soldering If soldering is fine change U501 Yes 3 Check voltage TP3 TP4 TP3 TP4 3 3V No Check the R612 R611 Soldering If soldering is fine change U603 Working Check the U601 Download No Yes Working If Download is fine change U201 FM300 working well Yes ...

Page 67: ...oses LGE Internal Use Only 5 DOWNLOAD 5 DOWNLOAD 5 DOWNLOAD Open PC s network properties Select Internet protocol TCP IP Select Property Button Activate Obtain an IP address automatically Connect FM300 and EasyBox 803 LAN1 with Ethernet cable Connect PC and EasyBox 803 LAN 2 with Ethernet cable 59 118 ...

Page 68: ...1 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Figure 5 1 EasyBox 803 Web page 5 DOWNLOAD Access to EasyBox 803 s web page 192 168 2 1 and login root 123456 root 123456 60 118 ...

Page 69: ...nics Inc All right reserved Only for training and service purposes LGE Internal Use Only Figure 5 2 Select User defined installation 5 DOWNLOAD After login if you can see this web page please select User defined Installation and Apply 61 118 ...

Page 70: ...5 DOWNLOAD 70 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Figure 5 3 Select Open Mode 5 DOWNLOAD Select Open mode and Apply 62 118 ...

Page 71: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only Figure 5 4 EasyBox 803 Web Page 5 DOWNLOAD EasyBox 803 will be rebooted Please login again ID and Password is root and 123456 63 118 ...

Page 72: ...011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD Select Extra tab and Firmware Upgrade 1 FM300_version bin 2 click Apply Figure 5 5 FM300 Firmware Upgrade 64 118 ...

Page 73: ...IM SIM_PWR TXG TXG RXG RXG USB20PHY DPDT1 t Gwjp l z G BCM5358U L2000 Transformer TRF1_OUTP TRF1_OUTN AFC VOUT DDR ADDR CON FORMER RDN1 RDP1 GPIO7 8 14 VDD_3 7 LQI LED R G B L T Crystal 20MHz USB clk Reset Switch i G I2C AFC_VOUT REF_CLK_IN TCXO I_REF_CLK DDR SDRAM 256Mb 133MHz DDR_ADDR DDR_DATA Serial Flash Memory 128Mb SFLASH EN GPIO6 GPIO5 POWER LED WHITE GPIO7 48MHz RTC clk 32KHz PWR LED EXT_P...

Page 74: ...BP0008701 2SB1424 1 3 2 C E B R101 DNI CN100 ENJW0002601 KJA DC 0 0037 4 5 3 0 1u C103 VDD_3 3 R8 2 7K VA101 10n C108 0 1u C121 Q102 EBK61473001 SI7403BDN S1 S2 S3 G D1 D2 D3 D4 D5 D6 D7 1 R141 DNI R127 C104 22u VDD_3 3 DNI R129 I N D 1 3 1 R I N D 2 3 1 R I N D 0 1 1 R DNI C110 ZD100 EAH61438301 PSD24C LF 1 2 0 1u C132 0 1u C131 0 1u C128 VDD_3 3 10u C133 0 1u C134 I N D 9 3 1 R C119 22u 5 R K 0 ...

Page 75: ...4 2 49 61 55 15 9 3 33 18 1 53 43 25 17 14 50 19 21 23 22 24 44 46 45 27 26 51 16 47 20 42 41 28 40 39 38 37 36 35 32 31 30 29 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 AP A11 A12 LDM UDM LDQS UDQS BA0 BA1 CK CK CKE _CS _CAS _RAS _WE DNU1 DNU2 NC1 NC2 NC3 NC4 NC5 VDD1 VDD2 VDD3 VDDQ1 VDDQ2 VDDQ3 VDDQ4 VDDQ5 VREF DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 VSSQ1 VSSQ2 VSSQ3 VSSQ4 ...

Page 76: ...FL301 5 6 3 1 4 2 P2 P4 P1 P3 6 P 5 P IC301 6 7 5 8 4 9 3 10 2 11 1 2 1 N E VL VCC I_OVL1 I_OVCC1 I_OVL2 I_OVCC2 I_OVL3 I_OVCC3 I_OVL4 I_OVCC4 D N G DNI R341 DNI R342 DNI C350 LD304 EDLS0002201 67 23 B7GBREW B32 2T 2 1 4 3 R A B G VDD_3 3 0 R308 0 0 3 D 2 1 3 FL302 5 6 3 1 4 2 P2 P4 P1 P3 6 P 5 P VDD_3 3 DNI C338 100 R347 DNI C335 R384 0 100n C318 VDD_2 6_LT DNI C323 DNI C320 DNI C321 DNI C322 DNI...

Page 77: ...L K J I H G F E D C B A 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DNI C404 DNI C403 DNI L409 DNI L410 1p C425 C408 15p 880 100MHz RF1200 SFAC0003001 FL401 7 4 3 5 2 6 1 RF1 VRF1 GND RFC RF2 VRF2 D N G P 9p C400 9p C410 9p C412 9p C402 9p C406 R403 DNI 9p C416 9p C409 9p C415 880 100MHz FL402 SFAC0003001 RF1200 7 4 3 5 2 6 1 RF1 VRF1 GND RFC RF2 VRF2 D N G P 9p C418 18n L402 DNI L403 DNI L405 18n L404...

Page 78: ...6 S S V 3 6 S S V 4 6 S S V 5 6 S S V 6 6 S S V 7 6 S S V 8 6 S S V 9 6 S S V 0 7 S S V 1 7 S S V 2 7 S S V 3 7 S S V 4 7 S S V 5 7 S S V 6 7 S S V 7 7 S S V 8 7 S S V 9 7 S S V 0 8 S S V 1 8 S S V 2 8 S S V 3 8 S S V 4 8 S S V 5 8 S S V 6 8 S S V 7 8 S S V 8 8 S S V 9 8 S S V 0 9 S S V 1 9 S S V 2 9 S S V 3 9 S S V 4 9 S S V 5 9 S S V 6 9 S S V 7 9 S S V 8 9 S S V U200 USB_ANA3P3 HSIC_VDDIO USB_A...

Page 79: ...17 27n C137 8 2p DNI R128 4 7n L100 L103 47p L110 DNI C151 15p 1K R122 68 R126 130 R124 47p C134 U103 C1 C2 A2 B2 A1 B1 RFIN VDD NC OUT EN GND 100p C136 U101 SKY77704 18 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VMODE_1 CPL_IN VMODE_0 GND VEN CPL_OUT R132 0 L112 10n 1n C135 2V8_RF 2V8_RF L102 3 3n 3 3n L108 47p C116 DNI R118 10n C130 1n C122 2 2u C131 SYS_PWR 0 R106 L109 6 8n 49 9 R120 DNI...

Page 80: ..._RBBD_IP EXT_RBBD_IN TBB_LDO_O TRF_VCC TBB_VCC RBBM_LDO_O RBBM_VCC RRFM_VCC RBBD_LDO_O RBBD_VCC RRFD_VCC 1 _ 2 D N G _ F R T 2 _ 2 D N G _ F R T 3 _ 2 D N G _ F R T 4 _ 2 D N G _ F R T 5 _ 2 D N G _ F R T 6 _ 2 D N G _ F R T 1 _ D N G _ F R T 2 _ D N G _ F R T 1 _ D N G _ M F R R 2 _ D N G _ M F R R 3 _ D N G _ M F R R 4 _ D N G _ M F R R 5 _ D N G _ M F R R 6 _ D N G _ M F R R 7 _ D N G _ M F R R...

Page 81: ...IO63 NAND_DATA7 USB_MODE EXTCLK_MODE MODE0 MODE1 MODE2 MODE3 GPIO20 NAND_CFG0 STATUS0 GPIO21 NAND_CFG1 STATUS1 GPIO22 PLL_CFG STATUS2 JTAG_CFG0 JTAG_CFG1 TESTMD_N CLK32_XI CLK32_XO EXTAL1_XI EXTAL1_XO RESET_N RESET_OUT_N TCXO_ON EXT_TIME_TIC BB_TIME_TIC CS_N ECS0_N RD_N ERD_N WR_N EWR_N LLA_N ECS1_N EPI_SYNC EPI_MODE H_INT_N GPIO0 PMU_TEST_MON0 GPIO1 PMU_TEST_MON1 GPIO2 PMU_TEST_MON2 GPIO3 PMU_TES...

Page 82: ... _ D N G 5 5 _ D N G 6 5 _ D N G 7 5 _ D N G 8 5 _ D N G 9 5 _ D N G 0 6 _ D N G 1 6 _ D N G 2 6 _ D N G 3 6 _ D N G 4 6 _ D N G 5 6 _ D N G 6 6 _ D N G 7 6 _ D N G 8 6 _ D N G M G P C _ S S V 1 _ S S V _ L A T X S 2 _ S S V _ L A T X S L L P _ 2 1 S S V A 1 _ 0 B S U _ S S V A 2 _ 0 B S U _ S S V A 0 B S U _ S S V S V L _ S S V A 1 B S U _ S S V 1 _ 1 B S U _ S S V A 2 _ 1 B S U _ S S V A 1 C N 2...

Page 83: ...2u C505 4 7u C514 3V3_USB 2V5_RF 1V2_TX_PLL 1V2_RX_PLL 2V8_TCXO 2V8_LNA 2V6_IO 1u C530 1u C529 1u C528 1u C527 1u C525 1u C524 0 R524 0 R522 1V5_DCDC 0 R516 2 2u C502 0 R512 SYS_PWR 1V8_MEM SYS_PWR 10u C518 100n C519 R532 0 1V2_TX_PLL 10K R521 2 2u C522 2 2u C523 10K R525 10K R523 10u C512 100n C513 1u L504 LQM2HPN1R0MG0 1V2_RX_PLL 1u L503 LQM2HPN1R0MG0 U501 LP8725 B F4 E5 E1 B1 F3 B5 C5 F5 F1 2 F...

Page 84: ..._14 RES_4 V3S_5 0 R606 0 R607 0 R608 0 R609 SIM_PWR U602 NLSX4014MUTAG 6 7 5 8 4 9 3 10 2 11 1 2 1 N E VL VCC I_OVL1 I_OVCC1 I_OVL2 I_OVCC2 I_OVL3 I_OVCC3 I_OVL4 I_OVCC4 D N G 10K R610 2V6_IO 3V3_MEM 100n C603 100n C601 U601 N25Q128 A13BF840E 9 5 4 6 3 7 2 8 1 S_ VCC DQ1 HOLD_ DQ3 W_VPP DQ2 C VSS DQ0 G_SLUG 10K R612 3V3_MEM 100n C602 1K R611 3V3_MEM U600 NCN4555 2 17 5 4 1 1 3 1 10 11 6 3 9 8 12 4...

Page 86: ... 1 5 N C 4 1 5 N C 5 3 5 N C 0 2 5 N C CN530 5 3 1 C 6 3 1 C 6 5 1 C 1 1 1 C 2 0 1 L CN510 3 1 5 N C R258 R256 3 0 5 N C 8 4 5 N C R253 R252 R271 R269 R267 R270 Q103 R141 9 0 3 R Q102 L404 2 1 4 C 3 0 4 L F R383 3 0 4 W S L416 5 1 4 C L415 2 0 4 L F 5 0 4 R 7 1 4 C 9 1 4 C L410 9 0 4 L C424 C421 C420 8 1 4 C 5 8 3 R 0 0 3 U D301 C358 C139 1 1 5 R 9 5 5 C 0 4 1 R C134 R504 5 0 4 L 8 3 2 R ANT401 CN...

Page 87: ...R C303 R5 C11 R1 3 1 C 5 1 C 0 0 1 R R6 C12 CN1 0 8 3 R Q300 5 0 3 R C300 R16 CN2 C301 D1 R101 1 Q 7 1 C C107 C109 C106 C20 C108 CN100 7 1 5 N C 3 3 5 N C 4 4 5 N C 2 4 5 N C 6 1 C 2 1 5 N C 8 2 5 N C 7 1 R 1 3 1 R 9 2 1 R 6 0 2 R C221 C508 CN518 R144 R205 R207 C507 C510 C511 1 0 2 C C506 C509 C505 C512 CN509 7 2 1 R 0 0 3 N C 9 1 5 R 7 1 5 R 0 6 5 C C562 4 4 5 C 2 2 5 R 9 1 5 C 9 2 5 C 3 2 5 C 6 ...

Page 88: ...C R129 5 0 1 L F L109 8 0 1 L 1 1 1 L L110 2 0 3 C R325 2 0 1 L 9 0 1 L F 3 0 3 C L104 C105 0 1 1 C 4 0 1 C 5 0 1 L 0 0 1 L R101 L101 4 0 3 C R322 3 4 1 C L117 C144 6 0 1 L F C107 R100 C108 C106 C109 7 0 1 L R323 5 0 3 C 4 0 6 R 9 0 6 C C102 L116 L115 1 4 1 C R118 6 0 1 L C116 3 0 1 L F 3 3 5 R 7 0 6 R 6 0 6 R 8 3 5 C CN301 SW100 2 1 1 R 2 1 1 L C130 0 3 5 C C526 R524 C527 R514 C112 C101 2 0 1 R 0...

Page 89: ...2 C 5 1 2 C 3 1 4 C 5 0 3 R 7 1 3 R R610 C601 C402 U602 C418 C417 C419 C421 0 2 4 C C217 C449 C452 6 2 3 R 2 3 4 C C451 7 5 4 C 9 5 4 C R304 C453 C438 C437 C202 R319 7 4 4 C 5 4 4 C PT200 R318 1 0 2 R 3 4 4 C C213 C404 1 1 6 R 2 1 6 R C610 1 1 6 C 3 0 6 U C412 C416 R405 C405 R401 C403 R404 5 0 2 R 8 0 2 C 6 1 2 C 9 0 2 C 9 1 2 C C212 7 0 2 C C206 4 2 4 C 5 3 3 R C468 C214 C423 C471 7 2 3 R 6 5 4 C...

Page 90: ...wer supply Auto cal generates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in LTE modem 10 1 1 Equipment List Equipment for Calibration Type Model Band Wireless Communication Test Set CMW500 R S Test JIG LG RF Cable KMS505 HIROSE Power Supply HP 66311B Agilent y GPIO interface card HP GPIB Agilent Calibration Final t...

Page 91: ...for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 10 1 2 Calibration Setup 10 1 2 1 Execute Hecaton exe C driver LGE folder Tachyon folder Utilities and Loss setting Select this button Select this file if exist or make the loss information file 91 118 ...

Page 92: ...92 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 10 1 2 2 Execute Tachyon exe C driver LGE folder Tachyon folder and Login 92 118 ...

Page 93: ...11 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 10 1 2 3 Click tachyon setup icon and setup serial port LGE FM300 USB Modem Port in the Modem tab Modem 93 118 ...

Page 94: ...libration 94 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 10 1 2 4 Click Model selection icon and select FM300 94 118 ...

Page 95: ...ronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION 10 1 2 5 Click Start icon for RF calibration and auto test 10 1 2 6 RF calibration and auto test finishes SUCCESS Calibrating 95 118 ...

Page 96: ...eference Calibration The TX REF calibration is to calibrate the tx power compensation vs frequency which is based on the measured power on a reference power Whenever frequency is changed the reference calibration data after the tx ref calibration is to compensate the tx power dBm on a frequency 10 2 7 RX LNA Offset Calibration LGE s UE L2000 have multiple LNA step So The RX LNA OFFSET calibration ...

Page 97: ...rmally 11 2 Setting and test Method mobile analyzer A COM port Mobile analyzer Port select a correct COM port WCDMA port Baud rate 11520 Leave the rest as default values B Tx Test 1 Select the band and channel 2 Max Power test Click AT command buttons in order and check the max power level 3 target power test 3 target power test Click AT command buttons in order except the last one that is AT pTXP...

Page 98: ...reserved Only for training and service purposes LGE Internal Use Only 10 STAND ALONE TEST AT execute Select load AT button panel ྙ ྚ ྜ ྜྷ ྜྷ Select band to test ྛ Figure 11 1 Mobile analyzer ྜ port settingÆ select WCDMA port AT command window Figure 11 1 Mobile analyzer ...

Page 99: ...right reserved Only for training and service purposes LGE Internal Use Only 12 EXPLODED VIEW REPLACEMENT PART LIST 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 EXPLODED VIEW 1 2 3 4 5 6 7 9 3 21 24 20 26 25 19 17 18 22 23 10 11 12 15 13 14 16 8 ...

Page 100: ...opyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 12 EXPLODED VIEW REPLACEMENT PART LIST EXPLODED VIEW ASS Y A B C D F E G H I H G F E D C B A I ...

Page 101: ...der 2 EAA030100 PIFA Antenna RF EAA62386601 AEA 00017 SINGLE 2DB 3 1 MOBITECH CORPORATION C 8 2 MAZ000000 Bracket MAZ63026201 MOLD ABS FM300 AVD2WA CW COOL WHITE I 25 1 ABCY00 Phone Assembly ABCY0038802ත 8 FM300 AVD2WA AB AIRY BLUE 2 ACQ032700 Cover Assembly Front ACQ85316301ත 3 FM300 AVD2WA CW COOL WHITE A 3 MCK032700 Cover Front MCK66548101 MOLD ABS FM300 AVD2WA CW COOL WHITE 1 3 MEG000000 Holde...

Page 102: ...tware Mobile SAD32809301 V10a EUROPE MODEM 4 EBR071500 PCB Assembly Main Insert EBR72774001ත 5 FM300 AVD2WA 1 0 MAIN 5 ABM070301 Can Assembly Shield ABM73437601ත 2 FM300 AVD2WA ZZ Without Color 6 MBK070300 Can Shield MBK62833301 PRESS STS 0 2 FM300 AVD2WA ZZ Without Color SHIELD_CAN_C 5 6 MCQ000000 Damper MCQ66474401 COMPLEX FM300 AVD2WA ZZ Without Color 3 5 ABM070302 Can Assembly Shield ABM734377...

Page 103: ...an Assembly Shield ABM73496101ත 2 FM300 AVD2WA ZZ Without Color shield can h 6 MBK070300 Can Shield MBK62856001 PRESS STS 0 2 FM300 AVD2WA ZZ Without Color 13 6 MCQ000000 Damper MCQ66565901 COMPLEX FM300 AVD2WA ZZ Without Color thermal pad a 17 5 ABM070301 Can Assembly Shield ABM73496201ත 2 FM300 AVD2WA ZZ Without Color shield can i 6 MBK070300 Can Shield MBK62873301 PRESS STS 0 2 FM300 AVD2WA ZZ ...

Page 104: ... ESD7L5 0DT5G ESD7L5 0DT5G SOT 723 5 V 150 mW R TP SCG HONG KONG SAR LTD 6 L401 Inductor Multilayer Chip ELCH0001041 HK1005 10NJ T 10NH 5 250mA 0 31OHM 3 2GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TAIYO YUDEN CO LTD 6 L412 Inductor Multilayer Chip ELCH0004721 1005GC2T2N2SLF 2 2NH 0 3NH 300mA 0 16OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 L407 Inductor Multilayer Chip ELCH0005003...

Page 105: ...conductor KOREA CORPORATION 6 C408 Capacitor Ceramic Chip ECCH0000112 MCH155C150J 15pF 5 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 6 C11 C12 Capacitor Ceramic Chip ECCH0000122 MCH155A470JK 47pF 5 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 6 C127 C137 C138 C200 C505 C506 C507 C508 C518 C519 C520 C524 C525 C526 C527 C536 C538 Capacitor Ceramic Chip ECCH00...

Page 106: ...8 C560 C561 C562 C563 Capacitor Ceramic Chip ECCH0007802 ECJ1VB1A475M 4 7uF 10 10V X5R 55TO 85C 1608 R TP KYOCERA CORP 6 C7 C8 Capacitor Ceramic Chip ECCH0007804 CL05A225MP5NSNC 2 2uF 20 10V X5R 55TO 85C 1005 R TP 0 5MM SAMSUNG ELECTRO MECHANICS CO LTD 6 C13 C14 C15 Capacitor Ceramic Chip ECCH0012201 GRM31CR61E106K 10 uF 25V K X5R HD 3216 R TP MURATA MANUFACTURING CO LTD 6 C101 C102 C104 C105 C119...

Page 107: ...56 C557 C6 Capacitor Ceramic Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10 10V X5R 55TO 85C 1005 R TP TDK KOREA COOPERATION 6 C103 C121 C128 C131 C132 C219 C304 C305 C339 C543 C544 C545 C546 C548 C549 C553 C554 C555 Capacitor Ceramic Chip ECZH0003103 GRM36X7R104K10PT 100nF 10 10V X7R 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C20 Capacitor Ceramic Chip ECZH0003503 GRM188R61E105K 1uF 10 25V X5...

Page 108: ... ESD7L5 0DT5G ESD7L5 0DT5G SOT 723 5 V 150 mW R TP SCG HONG KONG SAR LTD 6 L401 Inductor Multilayer Chip ELCH0001041 HK1005 10NJ T 10NH 5 250mA 0 31OHM 3 2GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TAIYO YUDEN CO LTD 6 L412 Inductor Multilayer Chip ELCH0004721 1005GC2T2N2SLF 2 2NH 0 3NH 300mA 0 16OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 L407 Inductor Multilayer Chip ELCH0005003...

Page 109: ... 15KOHM 1 1 16W 1005 R TP ROHM 6 R3 Resistor Chip ERHY0000147 MCR01MZP5F5602 56KOHM 1 1 16W 1005 R TP ROHM 6 R306 Resistor Chip ERHY0000241 MCR01MZP5J102 1KOHM 5 1 16W 1005 R TP ROHM 6 R509 Resistor Chip ERHY0003201 MCR01MZP5F1001 1KOHM 1 1 16W 1005 R TP ROHM 6 R347 Resistor Chip ERHY0003301 MCR01MZP5J101 100OHM 5 1 16W 1005 R TP ROHM 6 R7 R8 Resistor Chip ERHY0003601 MCR01MZP5J272 2 7KOHM 5 1 16W...

Page 110: ...R TP ROHM 6 R16 R17 Resistor Chip ERHZ0000414 MCR01MZP5J124 120KOHM 5 1 16W 1005 R TP ROHM 6 R348 Resistor Chip ERHZ0000485 MCR01MZP5J472 4 7KOHM 5 1 16W 1005 R TP ROHM 6 R10 R305 R9 Resistor Chip ERHZ0000486 MCR01MZP5J473 47KOHM 5 1 16W 1005 R TP ROHM 6 R134 R146 R148 Resistor Chip ERHZ0000509 MCR01MZP5J750 75OHM 5 1 16W 1005 R TP ROHM 6 R136 R150 R151 Resistor Chip ERHZ0000701 MCR03EZP5J000 0OHM...

Page 111: ...pec Remark 6 CN1 CN2 CN3 CN4 CN5 CN502 CN507 CN509 CN511 CN512 CN517 CN518 CN522 CN523 CN527 CN528 CN532 CN533 CN537 CN538 CN542 CN543 CN544 CN547 CN6 CN7 Clip MCGY0004201 COMPLEX LG E900 TMOZY ZZ Without Color 6 R125 R126 R127 R129 R13 R131 R132 R155 R201 R207 R244 R246 R249 R251 R260 R261 R262 R264 R314 R341 R342 R351 R381 R382 Wire Pad Open SAFO0000501 AX3100 ATL SV_SHIPBACK MAIN A 0OHM_1005_DN...

Page 112: ... SFBH0008101 BLM15AG601SN1D 600 ohm 1 0X0 5X0 5 25 0 6 ohm 0 3A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 FB500 Filter Bead SFBH0008107 BLM15BD221SN1D 220 ohm 1 0X0 5X0 5 25 0 4 ohm 0 3A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 FB100 Filter Bead SFBH0009201 MPZ1608S221AT 220 ohm 1 6X0 8X0 8 25 0 05 ohm 2 2A SMD R TP 2P 0 TDK CORPORATION 6 FL302 Filter EMI Power SFEY0016301 ICMEF112P900M COMMO...

Page 113: ...1005 R TP TDK KOREA COOPERATION 6 C111 C146 C148 C358 C559 Capacitor Ceramic Chip ECZH0001215 C1005X5R1A105KT000F 1uF 10 10V X5R 55TO 85C 1005 R TP TDK KOREA COOPERATION 6 C134 C139 C149 C202 C203 C204 C205 C206 C207 C208 C218 C220 C222 C224 C226 Capacitor Ceramic Chip ECZH0003103 GRM36X7R104K10PT 100nF 10 10V X7R 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C314 C315 C318 C319 C351 C352 Capa...

Page 114: ... R355 Resistor Chip ERHY0003301 MCR01MZP5J101 100OHM 5 1 16W 1005 R TP ROHM 6 R240 Resistor Chip ERHZ0000201 MCR01MZP5F1000 100OHM 1 1 16W 1005 R TP ROHM 6 R239 R241 Resistor Chip ERHZ0000206 MCR01MZP5F10R0 10OHM 1 1 16W 1005 R TP ROHM 6 R407 Resistor Chip ERHZ0000242 MCR01MZP5F2200 220OHM 1 1 16W 1005 R TP ROHM 6 R242 R243 R245 R247 R248 R250 R254 R255 R257 R259 R263 R265 R266 R268 R272 R273 R274...

Page 115: ...HONG KONG SAR LTD 6 U103 IC LDO Voltage Regulator EUSY0353701 RP104K261D RP104K261D PLP1010 4 4 PIN R TP 1x1 LDO 2 6V 150mA RICOH COMPANY LTD 6 U300 U502 IC Analog Switch EUSY0386501 DG2722 DG2722 uQFN10 10 R TP DPDT USB 2 0 High Speed Analog Switch VISHAY INTERTECHNOLOGY ASIA PTE LTD 6 U201 IC MCP NAND EUSY0432501 MT46V16M16P 6TIT 32MBYTE 2 5VTO2 7V 22x10x1 2 TR 66P DRAM TSOP MICRON SEMICONDUCTOR...

Page 116: ...hout Color 6 R139 R153 R219 R224 R233 R252 R253 R256 R258 R267 R269 R270 R271 R304 R385 R402 R404 R533 Wire Pad Open SAFO0000501 AX3100 ATL SV_SHIPBACK MAIN A 0OHM_1005_DNI 6 R152 R154 R210 R383 R384 R503 R504 Wire Pad Short SAFP0000501 LG VS760 VRZ 6 FB400 FB401 Filter Bead SFBH0008101 BLM15AG601SN1D 600 ohm 1 0X0 5X0 5 25 0 6 ohm 0 3A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 4 CN100 Jack DC Pow...

Page 117: ... 2 5x2 0x0 68 DUAL SMD R TP 9P EPCOS PTE LTD 5 U101 U102 IC Power Amplifier EAN61862101 SKY77704 18 3 2V 4 2V 0 0 0W 0W 0 1 SMD R TP 10P LBAND 20 815M 862M 8CLP6 3 MODE 3 0 3 0 0 95 SKYWORKS SOLUTIONS INC 5 C151 C302 C303 Capacitor Ceramic Chip ECCH0000112 MCH155C150J 15pF 5 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 5 C101 Capacitor Ceramic Chip ECCH0000113 MCH155A180J 18pF ...

Page 118: ...C439 C441 C446 C453 C455 C462 C463 C465 C466 C468 C469 C470 Capacitor Ceramic Chip ECCH0000155 MCH153CN103KK 10nF 10 16V X7R 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 5 C203 Capacitor Ceramic Chip ECCH0000161 MCH153CN333KK 33nF 10 16V X7R 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 5 C131 C133 Capacitor Ceramic Chip ECCH0000198 CL05A225MQ5NSNC 2 2uF 20 6 3V X5R 55TO 85C...

Page 119: ...59 C461 C464 C467 C471 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 5 C471 C472 C524 C525 C526 C527 C528 C529 C530 C531 C532 C537 C538 C539 C540 C541 C542 C543 C606 C610 C611 C612 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 5 C502 C505 C506 C507 C522 C523 Capacit...

Page 120: ... R TP MATSUO ELECTRIC CO LTD 5 C510 C614 Capacitor TA Conformal ECTH0005702 251M6301107MR0A 100 uF 6 3V M L_ESR 3216 R TP MATSUO ELECTRIC CO LTD 5 C450 C509 Capacitor TA Conformal ECTH0006601 TCTAL0J227M8R 0 00022F 20 6 3V 28UA 55TO 125C 0OHM 3 2x1 6x1 2 NONE SMD R TP ROHM Semiconductor KOREA CORPORATION 5 C141 L107 Capacitor Ceramic Chip ECZH0000802 C1005C0G1H010CT 1pF 0 25PF 50V NP0 55TO 125C 10...

Page 121: ...C223 C224 C225 C400 C401 C402 C403 C404 C405 C414 C415 C416 C417 C418 Capacitor Ceramic Chip ECZH0004402 CL05F104ZO5NNNC 0 1uF 20TO 80 16V Y5V 30TO 85C 1005 R TP ROHM Semiconductor KOREA CORPORATION 5 C420 C421 C422 C424 C425 C426 C428 C429 C432 C435 C437 C438 C443 C445 C458 C460 C513 C516 C519 C520 C545 C548 C600 C601 C602 C603 C604 C605 C613 Capacitor Ceramic Chip ECZH0004402 CL05F104ZO5NNNC 0 1...

Page 122: ...Chip ELCH0001405 LL1005 FHL3N3S 3 3NH 0 3NH 400mA 0 16OHM 9 1GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 5 L115 L116 R129 Inductor Multilayer Chip ELCH0001426 LL1005 FHL8N2J 8 2NH 5 300mA 0 25OHM 4 7GHZ 9 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 5 L114 R112 Inductor Multilayer Chip ELCH0003819 LQG15HS12NJ02D 12NH 5 300mA 0 28OHM 3GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 5 ...

Page 123: ...CR01MZP5F49R9 49 9OHM 1 1 16W 1005 R TP ROHM 5 R302 R309 R315 Resistor Chip ERHY0000129 MCR01MZP5F1802 18KOHM 1 1 16W 1005 R TP ROHM 5 R122 R611 Resistor Chip ERHY0000241 MCR01MZP5J102 1KOHM 5 1 16W 1005 R TP ROHM 5 R109 R110 R300 R307 R316 Resistor Chip ERHY0000254 MCR01MZP5J472 4 7KOHM 5 1 16W 1005 R TP ROHM 5 R200 Resistor Chip ERHY0003301 MCR01MZP5J101 100OHM 5 1 16W 1005 R TP ROHM 5 R324 R325...

Page 124: ... 5 R103 Resistor Chip ERHZ0000299 MCR01MZP5F5601 5 6KOHM 1 1 16W 1005 R TP ROHM 5 R132 Resistor Chip ERHZ0000401 MCR01MZSJ000 0OHM 5 1 16W 1005 R TP ROHM 5 R322 Resistor Chip ERHZ0000407 MCR01MZP5J105 1MOHM 5 1 16W 1005 R TP ROHM 5 R124 Resistor Chip ERHZ0000415 MCR01MZP5J131 130OHM 5 1 16W 1005 R TP ROHM 5 R545 Resistor Chip ERHZ0000423 MCR01MZP5J154 150KOHM 5 1 16W 1005 R TP ROHM 5 R203 Resistor...

Page 125: ...121D LGVL600 AVRZZY RICOH COMPANY LTD 5 U504 IC LDO Voltage Regulator EUSY0369304 RP109L131D LGVL600 AVRZZY RICOH COMPANY LTD 5 U603 IC LDO Voltage Regulator EUSY0386901 RP104K331D PLP1010 4 R TP 3 3V 150mA Single LDO IC LDO Voltage RegulatorIC LDO Voltage Regulator RICOH COMPANY LTD 5 U502 U508 IC DC DC Converter EUSY0407601 RT8016L GQW WQFN 8L 8 R TP 1Buck DCDC Converter IC DC DC ConverterIC DC ...

Page 126: ...SHINKU CORPORATION 5 X301 Crystal EXXY0026901 Q13FC1350000300 32 768KHZ 20PPM 0F NONE SMD R TP EPSON TOYOCOM CORP 5 R337 R350 R519 R520 R537 R539 Wire Pad Open SAFO0000501 AX3100 ATL SV_SHIPBACK MAIN A 0OHM_1005_DNI 5 R100 R304 R305 R331 R332 R333 R334 R351 R352 R353 R402 R404 R509 R510 R511 R512 R514 R516 Wire Pad Short SAFP0000501 LG VS760 VRZ 5 R522 R524 R526 R532 R533 R538 R540 R541 R546 R547 ...

Page 127: ...Power SFEY0007101 ICVFP10181E301FR ESD EMI 0HZ 300pF 0H SMD R TP INNOCHIPS TECHNOLOGY 5 FL105 FL109 Filter Saw SFSY0042601 SAFEA806MCM0F00 806MHz 1 4 1 1 0 5 SMD R TP 5P MURATA MANUFACTURING CO LTD 5 FL104 Filter Saw SFSY0042801 SAFEA847MAL0F00 847MHz 1 4 1 1 0 5 SMD R TP 5P MURATA MANUFACTURING CO LTD 5 FL103 FL106 Filter Balun STMY0025501 HHM1726T4 6 SMD 698M 960M IL 0 8 50 100 1 6 0 8 0 7 262MH...

Page 128: ...Z Without Color 3 MBM062600 Card Quick Reference MBM63298701 COMPLEX FM300 AVD2WA ZZ Without Color 3 MFL053800 Manual Operation MFL67086101 COMPLEX FM300 AVD2WA ZZ Without Color 2 EAD010000 Cable Assembly EAD61748101 LG0046 RJ45 8C8P Plug RJ45 8C8P Plug 1 5M 8 WHITE N ningbo broad telecommunication co ltd 2 EAY060000 Adapters EAY62311001 MSTA D01ET 90 240V 12V 1 5A 50 60Hz CE CB WALL 2P DC PIN PLU...

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Summary of Contents for FM300

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LG FM300, Service Manual, Page: 29 / 128

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Summary of Contents for FM300

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