LG E900 Service Manual Download Page 115

Page: 115 / 208

- 116 -

LGE Internal Use Only

Only for training and service purposes

4. TROUBLE SHOOTING

[UG{Gz

{wX

{wY

TP1

TP2

C517

C518

WM9093ECS-R
EUSY0403901

IC501

IN2-

IN1+

IN3-

IN2+

IN1-

IN3+

C536

C537

47n

C521

47n

C522

HPH_L

HPH_R

RCV_N

RCV_P

LINE_OP

LINE_ON

TP1

FM_ANT

EAR_L

EAR_R

REV.E

TP2

Summary of Contents for E900

Page 1: ...Service Manual Model LG E900 Internal Use Only Service Manual LG E900 Date September 2010 Issue 1 0 ...

Page 2: ...16 Compass Sensor 56 3 17 LG E900 Main Features 58 3 18 Main Component 59 4 TROUBLE SHOOTING 62 4 1 RF Component 62 4 2 SIGNAL PATH 64 4 3 CheckingTCXO Block 68 4 4 Checking FEM Block 70 4 5 CheckingWCDMA Block 73 4 6 Checking GSM Block 84 4 7 GPS WIFI BT FM Radio RF components 92 4 8 GPS WIFI BT Signal path 94 4 9 GPS WIFI BTTrouble shooting 96 4 10 Power ONTroubleshooting 105 4 11 ChargerTrouble...

Page 4: ...ch 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 service as long as repair is not done C Changes in Service A local telephone company ma...

Page 5: ...ric 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 repairs are made to a system board they should spread the floor with anti static mat which is also grounded...

Page 6: ...rop Output LDO Liquid Crystal Display LCD Intermediate Frequency IF International Portable User Identity IPUI Global System for Mobile Communications GSM General Purpose Interface Bus GPIB Gaussian Minimum Shift Keying GMSK Flexible Printed Circuit Board FPCB Electrostatic Discharge ESD Electrical Erasable Programmable Read Only Memory EEPROM Digital Signal Processing DSP dB relative to 1 milli wa...

Page 7: ...ed Oscillator VCO Universal Asynchronous Receiver Transmitter UART Time Division Multiple Access TDMA Time Division Duplex TDD Travel Adapter TA Side Tone Masking Rating STMR Pseudo SRAM PSRAM Static Random Access Memory SRAM Sending Loudness Rating SLR Subscriber Identity Module SIM Surface Acoustic Wave SAW Real Time Clock RTC Root Mean Square RMS Receiving Loudness Rating RLR Radio Frequency RF...

Page 8: ...DCS1800 PCS1900 Frequency Range WCDMA FDD1 TX 1920 1980 MHz WCDMA FDD1 RX 2110 2170 MHz WCDMA FDD2 TX 1850 1910 MHz WCDMA FDD2 RX 1930 1990 MHz WCDMA FDD8 TX 880 915 MHz WCDMA FDD8 RX 925 960 MHz EGSM TX 880 915 MHz EGSM RX 925 960 MHz GSM850 TX 824 849 MHz GSM850 RX 869 894 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz 2 3 Main Parts GSM S...

Page 9: ...D5 104 7 dBm EGSM 105 dBm GSM850 105 dBm DCS 1800 105 dBm PCS 1900 105 dBm WCDMA GSM GPRS WCDMA 24dBm 3 84MHz 1 3dBm EGSM 33dBm GSM850 33 dBm DCS 1800 30 dBm PCS 1900 30 dBm Class3 WCDMA Class4 EGSM Class4 GSM850 Class1 PCS Class1 DCS TX output power EDGE GSM 900 27 dBm DCS 1800 26 dBm PCS 1900 26 dBm E2 GSM900 E2 PCS E2 DCS GPRS compatibility GPRS Class 12 SIM card type Plug In SIM 3V 1 8V LCD 3 ...

Page 10: ...es LGE Internal Use Only 2 PERFORMANCE MIDI for Buzzer Function SW Decoded 72Poly Music Player MP3 AAC AAC Video Player MPEG4 H 264 Camcorder MPEG4 H 264 Voice Recording Yes Speaker Phone mode Support Yes Travel Adapter Yes CDROM Yes Stereo Headset Yes Data Cable Yes T Flash External Memory No ...

Page 11: ...ion Home tel Home addr Categories Other addr Pager Car tel Home fax Company tel Work2 tel Home2 tel Radio tel IM2 IM3 E mail 2 E mail 3 Assistant Assistant tel Manager Govt ID Account Cutomer ID Birthday Anniversary Spouse Children Note SIM Contact Name Mobile Tel Work Tel Home Tel E mail Work2 Tel There is no limitation on the number of items It depends on Available memory amount E mail and Messa...

Page 12: ... Send Receive Save Yes Yes Long Message Yes Cell Broadcast No Download Over the Web Game Yes Calendar Yes Memo Yes There is no limitation on the number of items It depends on available memory amount World Clock No Unit Convert Yes Stop Watch Yes Wall Paper Yes WAP Browser Yes IE Mobile Download Melody Wallpaper Yes Over web browser SIM Lock Yes Operator Dependent SIM Toolkit R99 Class b c MMS Yes ...

Page 13: ... 14 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 2 PERFORMANCE DTMF Yes Memo pad No TTY Yes AMR Yes SyncML Yes IM Yes Email Yes ...

Page 14: ...modulation out to less than 1800kHz offset 200kHz 36dBm 600kHz 51dBm 56dBm Spectrum due to modulation out to larger than 1800kHz offset to the edge of the transmit band GSM 1800 3000kHz 63dBc 46dBm 3000kHz 6000kHz 65dBc 46dBm 6000kHz 71dBc 46dBm DCS 1800 3000kHz 65dBc 51dBm 6000kHz 73dBc 51dBm Spectrum due to switching transient 400kHz 19dBm 22dBm 5 0 23dBm 600kHz 21dBm 24dBm 5 0 26dBm Reference S...

Page 15: ...z at 3 84 Mcps 99 of power Adjacent Channel Leakage Power Ratio ACLR 33 dB 5 MHz 43 dB 10 MHz Spurious Emissions f fc 12 5 MHz 36 dBm 1 kHz RW 9 kHz f 150 kHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 60 dBm 3 84 MHz RW 869 MHz f 894 MHz 60 dBm 3 84 MHz RW 1930 MHz f 1900 MHz 60 dBm 3 84 MHz RW 2110 MHz f 2155 MHz 67 dBm 100 kHz RW 925 MHz...

Page 16: ...dB where BER 0 001 when Îor 92 7 dBm 3 84 MHz Ioac 52 dBm 3 84 MHz 5 MHz Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 ...

Page 17: ...test in table C 10 1 4 Power step Power step slot boundary Power step size P dB Transmitter power step tolerance dB 1 Start of Ack Nack 6 2 3 2 Start of CQI 1 0 6 5 3 Middle of CQI 0 0 6 Spectrum Emission Mask Sub Test 1 1 15 2 12 15 3 13 15 4 15 8 5 15 7 6 15 0 Frequency offset from carrier f Minimum requirement Measurement Bandwidth 2 5 3 5 MHz 35 15 f 2 5 dBc 30 kHz 3 5 7 5 MHz 35 1 f 3 5 dBc 1...

Page 18: ... Frequency 2400 MHz 2483 5 MHz CH1 CH13 Tx Power Level 20dBm under Europe 30dBm under USA Frequency Tolerance within 25 PPM Chip clock Frequency Tolerance within 25 PPM Spectrum Mask 30 fc 22MHz f fc 11MHz and fc 11MHz f fc 22MHz 50 f fc 22MHz and f fc 22MHz Power ramp on off time 2us Carrier Suppression 15dB Modulation Accuracy Peak EVM 35 Spurious Emissions 36 dBm 30MHz 1GHz 30 dBm above 1GHz 12...

Page 19: ...1GHz 30 dBm above 1GHz 12 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx Min input Sensitivity PER 10 82dBm 6Mbps 81dBm 9Mbps 79dBm 12Mbps 77dBm 18Mbps 74dBm 24Mbps 70dBm 36Mbps 66dBm 48Mbps 65dBm 54Mbps Rx Max input Sensitivity 20dBm 6 9 12 18 24 36 48 54Mbps PER 10 Rx Adjacent Channel Rejection PER 10 ACR 16dB 6Mbps ACR 15dB 9Mbps ACR 13dB 12Mbps ACR 11dB 18Mbps ACR 8dB 24Mbps ACR 4dB 36Mbp...

Page 21: ...TRK_LO_ADJ RF_ON DAC_IREF SBDT VCTCXO 19 2MHz RTR6285 QSD8650 HB_RF_OUT3 LB_RF_OUT1 FRONT END MODULE SKY77544 G850 900 TX WCDMA PAM W900 SBDT_RTR PMIC_SSBI DCS PCS TX HB_RF_OUT1 PDET_IN WCDMA TX SAW PM7540 Buck Converter CPL VDDA VDDM TX_IQ EGSM_INP EGSM_INN DCS_INP DCS_INN GPCS_INP GPCS_INN GCELL_INP GCELL_INN LB_RF_OUT2 WPRXLBN WPRXLBP TCXO WPRXSE2 GPS_IN VCONT SBDT_SSBI ANT_SEL0 1 2 3 BS1 Syste...

Page 22: ...transceiver IC These baseband outputs are shared with the UMTS receiver and routed to the MSM IC for further signal processing The GSM EDGE transmit path employs one stage of up conversion and in order to improve efficiency is divided into phase and amplitude components to produce an open loop Polar topology 1 The on chip quadrature up converter translates the GMSK modulated signal or 8 PSK modula...

Page 23: ... the way into the IC pins Figure 1 2 GSM Receiver Inputs Topologies Since GSM 850 GSM 900 GSM 1800 and GSM 1900 signals are time division duplex the handset can only receive or transmit at one time switches are used to separate RX and TX signals in place of frequency duplexers this is accomplished in the switch module The GSM 850 GSM 900 GSM 1800 and GSM 1900 receive signals are routed to the RTR6...

Page 24: ... RX and TX signals in place of frequency duplexers this is accomplished in the switch module The GSM 850 GSM 900 GSM 1800 and GSM 1900 receive signals are routed to the RTR6285 through saw filters and matching networks that transform single ended 50 Ωҏsources to differential impedances optimized for gain and noise figure The RTR input uses a differential configuration to improve second order inter...

Page 25: ...to baseband downconverters The downconverted baseband outputs are multiplexed and routed to lowpass filters one I and one Q having passband and stopband characteristics suitable for GMSK or 8 PSK processing These filter circuits include DC offset corrections The filter outputs are buffered and passed on to the MSM7200A IC for further processing as shown in Figure 1 3 Figure 1 3 RTR6285 RX feature ...

Page 26: ...s The capacitor value may be optimized for specific applications and PCB characteristics based on pass band symmetry about the band center frequency as shown in Figure 1 3 Figure 1 4 GSM Transmitter Outputs Topologies The RTR6285 IC is able to support GSM850 GSM 900 and GSM 1800 1900 mode transmitting This design guideline shows a quad band GSM application Both high band and low band outputs are f...

Page 27: ... mode rejection performance The gain of the UMTS front end amplifier and the UMTS second stage differential amplifier are adjustable under MSM control to extend the dynamic range of the receivers The second stage UMTS RX amplifiers drive the RF ports of the quadrature RF to baseband downconverters The downconverted UMTS RX baseband outputs are routed to lowpass filters having passband and stopband...

Page 28: ...airly high level signals that are filtered and applied to the PA Transmit power is delivered from the duplexer to the antenna through the switch module The transceiver LO synthesizer is contained within the RTR6285 IC with the exception of the off chip loop filter components and the VC TCXO This provides a simplified design for multimode applications The PLL circuits include a reference divider ph...

Page 29: ... 30 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF Figure 1 6 RTR6285 IC Functional Block Diagram ...

Page 30: ...RF to baseband and from baseband to RF Two fully functional fraction N synthesizers including VCOs and loop filters are integrated within the RTR6285 IC In addition the RTR6285 has a third synthesizer used for GPS operation The first synthesizer PLL1 in the RTR6285 creates the transceiver Los that support the UMTS transmitter and all four GSM band receivers and transmitters including GSM850 GSM900...

Page 31: ...or current adjustment The RF2815 is useable down to 1V operation It achieves low noise figure high gain and linearity even at 1V making it suitable for use in critical low power GPS applications or during low battery situations 3 5 2 SKY77544 U104 FEM GSM Quad Band PAM SKY77544 is transmit and receive Front End Module FEM designed in a very low profile 1mm compact form factor for quad band cellula...

Page 32: ...ompact package Because of high efficiencies attained throughout the entire power range the SKY77701 delivers unsurpassed talk time advantages The SKY77701 meets the stringent spectral linearity requirements of High Speed Downlink Packet Access HSDPA High Speed Uplink Packet Access HSUPA and Long Term Evolution LTE data transmission with high power added efficiency A directional coupler is integrat...

Page 33: ... Because of high efficiencies attained throughout the entire power range the SKY77702 delivers unsurpassed talk time advantages The SKY77702 meets the stringent spectral linearity requirements of High Speed Downlink Packet Access HSDPA High Speed Uplink Packet Access HSUPA and Long Term Evolution LTE data transmission with high power added efficiency A directional coupler is integrated into the mo...

Page 34: ... fully matched 10 pin surface mount module developed for UMTS EGSM This power amplifi er module operates in the 880 915MHz bandwidth The ACPM 5208 meets stringent UMTS linearity requirements up to 28dBm output power The 3mmx3mm form factor package is self contained incorporating 50ohm input and output matching networks The PA also contains internal DC blocking capacitors for RF input and output po...

Page 35: ...DSP Internal stacked DDR memory 256 Mbits variants may have different sizes ATI LT graphics core for 3D graphics Java hardware acceleration for faster Java based games and other applets Support for Bluetooth 2 0 EDR and Wi Fi High speed serial mobile display digital interface and LCD controller USB OTG core supports both slave and linited host functionality High speed USB ULPI interface Integrated...

Page 36: ... 2 7V 150mA Proximity sensor Proximity sensor ISNS_P ISNS_N VBAT VPWR NUS5530MN NUS5530MN VCHG_VBUS BT_WLAN TCXO USB PHY POWR LDO BT_WLAN TCXO USB PHY POWR LDO 5Pin Cradle Connector 5Pin Cradle Connector TA OVP MAX14528 TA OVP MAX14528 VREG_EFUSE_PROG 50mA VREG_SYNTH 2 75V 50mA VREG_LCD_1 8V 150mA CAMERA CAMERA VREG_CAM_VDD_AF_2 8V 300mA VREG_CAM_AVDD_2 8V 150mA VREG_CAM_DVDD_1 8V 150mA CAMERA FLA...

Page 37: ...ernal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF ZUYGo Gh ZUG Gi LCD I t f LCD Interface CAMERA Interface LCD Interface CAMERA Interface ...

Page 38: ...D_READY_N EBI2_D 15 0 eMMC_CLK eMMC_DATA 7 0 eMMC_CMD USIM SIM_RST SIM_IO SIM_CLK MSM_USIM_RST MSM_USIM_DATA MSM_USIM_CLK Memory USIM SENSOR Great Company Great People System HW Block Diagram SENSORs QSD8650 QSD8650 Motion Sensor BMA150 Motion Sensor BMA150 MOTION_I2C_SDA MOTION_I2C_SCL Proximity Sensor GP2AP002S00F Proximity Sensor GP2AP002S00F PROX_OUT 19 2MHz 19 2MHz FPGA EBI to I2C FPGA EBI to...

Page 39: ...ple data STMD unit Vector floating point instruction set v3 Multiple on board QUALCOMM enhanced AXI ports with 8 GB s target bandwidth Supports the ARM and Thumb instruction sets and Jazelle techology to enable direct execution of Java bytecodes Low interrupt latency Extensive power management with multiple valtage domains dynamic frequency and voltage scaling combined with fine grained dynamic cl...

Page 40: ...ell back up and generates all the regulated voltages needed to power the appropriate handset electronics It monitors and controls the power sources detecting which sources are applied verifying that they are within acceptable operational limits and coordinates battery and coin cell recharging while maintaining the handset electronics supply voltages Eight programmable output voltages are generated...

Page 42: ...tion circuitry to ascertain whether a valid external supply is applied or not For additional accuracy or to capture variations over time this voltage is routed internally to the housekeeping ADC via the analog multiplexer PM7540 circuits monitor voltages at VCHARGER and ICHARGE pins to determine which supply should be used and when to switch between the two supplies These pins are connected to the...

Page 43: ...d through SBI control and powered from VDD is provided by the PM7540 IC The trickle charger is on chip programmable current source that supplies current from VDD to pin VBAT Trickle charging can be used for lithium ion and nickel based batteries with its performance specified below 3 2V The charging current is set to 80mA Parameter Min Typ Max Unit Trickle Current 60 80 100 mA ZUG Gi wt W p Gw t ...

Page 44: ...nues until the battery reaches its target voltage 4 2V Constant Voltage Charging Constant voltage charging begins when the battery voltage reaches a target voltage 4 2V The end of constant voltage charging is commonly detected 10 of the full charging current Charging Method CC CV Constant Current Constant Voltage Maximum Charging Voltage 4 2V Maximum Charging Current 1000mA Nominal Battery Capacit...

Page 45: ...here control signals are followed y USIM_CLK USIM Clock y USIM_Reset USIM Reset y USIM_Data USIM Data T Rx 3 10 2 UART Interface UART signals are connected to MSM GPIO through IO connector with 115200 bps speed ZUG Gi GPIO_Map Name Note GPIO_86 UART3_RX Data_Rx GPIO_87 UART3_TX Data_Tx Table UART Interface Figure SIM Interface QSD8650 PM7540 USIM USIM CLK USIM Reset USIM Data USIM Data USIM Reset ...

Page 46: ...ic on the bus The USB specification requires personal computers PCs to act as hosts and other devices such as printers keyboards mice etc to act as peripherals The OTG supplement creates a new class of devices called OTG devices OTG devices can act as either hosts or peripherals depending upon how they are connected and or used The MSM7200A device contains a new USB high speed function that is bas...

Page 47: ... L O V 6 B K 2 B K 1 B K 4 B K 2 0 9 W S C _ C B _ B D A 2 L O C _ Y E K 2 L O C _ Y E K 0 L O C _ Y E K 0 L O C _ Y E K 1 L O C _ Y E K 1 L O C _ Y E K 0 W O R _ Y E K 0 W O R _ Y E K 0 W O R _ Y E K 3 L O C _ Y E K 1 W O R _ Y E K 1 W O R _ Y E K 1 W O R _ Y E K Y E K E D I S E M U L O V C A n o i t a r e p o t s 1 H C R A E S W O D N I W K C A B T O H S _ M A C S U C O F _ M A C 1 4 O I P G 2 4...

Page 48: ... part for connection I2C ZUG Gi Figure Touch window Sensor Schematic Touch Connector TOUCH I2C controller FPGA U507 is FPGA IC FPGA is used for interface converting EBI2 to I2C 11 10 12 9 13 8 14 7 15 6 16 5 17 4 18 3 19 2 20 1 V 0 3 _ H C U O T _ G E R V V 6 2 _ O I _ H C U O T _ G E R V GND TOUCH_INT TOUCH_SCL TOUCH_SDA A3 B8 F8 E8 F9 E9 D9 D8 C9 C8 PIO3_1 DP00A PIO3_2 DP00B PIO3_3 DP01A GBIN7 P...

Page 49: ...nal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 3 11 1 Overview of Audio path ZUG Gi 3 11 Audio and sound Figure Block diagram of Audio path ...

Page 50: ...the precise voltages and currents required by the codec This circuit requires a single capacitor of 0 1 ɆF to be connected between the CCOMP and GND pins The on chip voltage reference also provides a microphone bias voltage required for electret condenser microphones typically used in handset applications The MICBIAS output pin is designed to provide 1 8 V DC while delivering as much as 1 mA of cu...

Page 51: ...is a fully integrated audio subsystem designed for portable handheld applications such as cellular phones The WM9093 combines 650mW at 3 6V mono E2S class D amplifier 40mW class AB earpiece amplifier 34mW channel stereo ground reference headphone amplifiers volume control and mixing circuitry into a single device The WM9093 features a fully differential mono input and two single ended stereo input...

Page 52: ... R P _ V C R P O _ E N I L N O _ E N I L C I M _ S H L C S _ C 2 I _ S L A T E D _ N N O C N _ T N I _ H C U O T _ A G P F B V E R B V E R QCT Ref 080925_byte 0603 u 1 7 0 9 C 1 0 9 C I M 4 3 2 1 P 1 G 2 G O K 2 2 5 0 9 R 6 0 9 C p 3 3 8 0 9 C p 3 3 9 0 9 C p 3 3 1 0 9 B F 0 0 8 1 2 0 9 B F 0 0 8 1 N 1 _ C I M P 1 _ C I M S A I B _ C I M ELCO ENEY0003801 CN504 2 1 G 5 T S 0 _ 5 B 9 D S E 2 0 5 D G...

Page 53: ...ctor CN503 The LCD is controlled by MDDI Interface in QSD8650 D504 4 3 5 2 6 1 C550 2 2u VREG_LCD_3 0V 2 2u C549 FL504 0 1 9 8 4 7 3 6 2 5 1 P1 P5 P2 P6 P3 P7 P4 P8 1 G 2 G GB042 30S H10 E3000 ENBY0040701 CN503 16 15 17 14 18 13 19 12 20 11 21 10 22 9 23 8 24 7 25 6 26 5 27 4 28 3 29 2 30 1 TP510 VREG_LCD_1 8V MDDI_STB_P WLED1 WLED3 WLED_PWR WLED5 WLED4 WLED2 WLED6 WLED7 WLED8 LCD_MAKER_ID LCD_VSY...

Page 54: ... Figure Light Sensor Schematic 3 14 Light Sensor The Light sensor control automatically LCD Backlight level V 6 2 _ I X O R P _ G E R V V 6 2 _ I X O R P _ G E R V C1003 4 7u 4 7u C1005 10 R1002 C1008 0 1u 3 3 1 0 0 1 R 2 0 0 1 U F 0 0 S 2 0 0 P A 2 P G 1 0 2 6 7 3 0 Y S U E 4 5 3 6 2 7 1 8 A D E L L C S C D E L A D S C C V O I V T U O V D N G 2 0 0 1 C u 1 A D S _ C 2 I _ X O R P L C S _ C 2 I _ ...

Page 55: ... useful information in conjunction with motion sensor For example four direction Inclination etc 0 1u C506 VREG_MSMP_2 6V 4 1 5 R K 2 2 22n C532 K 2 2 5 1 5 R 0 9 3 6 1 5 R VREG_MSMP_2 6V BMA150 U504 EUSY0345201 2 1 1 1 6 5 7 4 8 3 9 2 10 1 NC1 NC2 VDD VDDIO GND SDI INT SDO CSB SCK 1 T O N 2 T O N 3D_INT_N 3D_SDA 3D_SCL EUSY0345201 0603 0603 0603 0 1u C505 AK8973B EUSY0385501 U502 1 C 3 A 1 B 1 D ...

Page 56: ... 57 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF ZUG Gi Figure Diagram of Sensors and Vibrator ...

Page 57: ...TS900 GSM 900 DCS1800 PCS1900 GSM850 based GSM GPRS EDGE UMTS HSDPA 7 2Mbps HSUPA 5 7Mbps TFT Main LCD 3 8 WVGA 800 x 480 Cap Touch Window 5M Camera 3 5pi Headset Speaker phone AUDIO CODEC MP3 AAC AAC eAAC WAV WMA pro AMR MIDI MPEG4 encoder decoder and play save JPEG en decoder Supports Bluetooth and HS USB Supports WLAN Supports FM Radio 1500 mAh Li Ion Polymer 16GB internal memory XUGt Gm ...

Page 58: ...t 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF 3 18 Main Component YUGt Gj Audio SWITCH 3D SENSOR POWER PMIC FPGA TI BUCK MEMORY QSD8650 ...

Page 59: ...nal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF YUGt Gj CAMERA GPS LCD COMPASS RF 3 5 pi AUDIO TOUCH FLASH Wifi BT FM MEMORY 16GB SIM SOCKET ...

Page 60: ... 61 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF YUGt Gj ALS proximity VOLUME KEY CAMERA Key Back Window Search Key ...

Page 61: ...t 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG 4 1 RF Component Ά G XW G ͷͽ Ά G Ά Ά ͷͽ Ά Ά ͷͽ ͷͽ Ή ͷͽ Έ ͷͽ ͷͽ ͷͽ 4 TROUBLE SHOOTING ...

Page 62: ...nce Description U106 RTR6285 Transceiver FL104 WCDMA I RX Filter U100 WCDMA II Rx LNA FL105 WCDMA I TX SAW Filter U101 WCDMA VIII PAM FL107 WCDMA VIII TX SAW Filter U102 WCDMA I PAM FL113 WCDMA II TX SAW Filter U103 WCDMA II PAM FL114 WCDMA II Duplexer U104 GSM FEM PAM ASM FL116 GPS SAW Filter U105 GPS LNA X331 VCTCXO FL1002 WCDMA VIII Duplexer SW102 RF Antenna Connector FL103 WCDMA I Duplexer RF ...

Page 63: ...erved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G 4 2 SIGNAL PATH GSM850 GSM900 DCS PCS s RX TX Signal PATH A GSM850 GSM900 DCS1800 PCS1900 RX PATH B GSM850 GSM900 DCS1800 PCS1900 TX PATH C COMMON TX RX PATH ...

Page 64: ...rved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G WCDMA BAND I II VIII RX Signal PATH D1 WCDMA 2100 RX PATH E1 WCDMA 1900 RX PATH F1 W900 Rx PATH G1 COMMON TX RX PATH ...

Page 65: ...Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G WCDMA I II and VIII Band TX Signal PATH D2 WCDMA 2100 TX PATH E2 WCDMA 1900 TX PATH F2 W900 Tx PATH ...

Page 66: ...ight 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G GPS Signal PATH F GPS Rx PATH ...

Page 67: ...requency 19 2MHz of TCXO X331 is used as the reference one of RTR6285 and PM7540 internal VCO Schematic of the Crystal Part 19 2MHz TP3 TP2 TP3 TP1 TP1 TP2 10n C331 100 R331 C332 100p 1n C339 0 1u C340 VREG_TCXO_2 85V 1n C341 19 2MHz KT3225L19200DCW28RA0 X331 4 2 3 1 VCONT OUT GND VCC TCXO_PM_19 2MHZ RTR_TRK_LO_ADJ TCXO_RTR_19 2MHZ TCXO_USB_XO 3 0 6 0 0603 1 0T Clesed to TCXO Schematic of the Crys...

Page 68: ...Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING CheckTP1 VCC ofTCXO VCC 2 8V Check the PM7540 No Yes CheckTP2 2 4V Voltage 0 4V Check the QSD8650 No Yes CheckTP3 19 1 MHz Signal Check soldering and components No Yes TCXO is OK ...

Page 69: ... Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UGG G 4 4 Checking FEM Block ANT_SEL2 VPWR ANT_SEL0 ANT_SEL1 ANT_SEL3 ...

Page 70: ...G VAPC GND5 VBATT GND4 BS2 GND3 BS1 GND2 _TXEN ANT E D O M WCDMA3 PGND4 PGND5 PGND6 P M E T 4 X R 3 X R 2 X R 1 X R WCDMA1 WCDMA2 7 D N G P 8 D N G P 9 D N G P PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 PGND16 PGND1 PGND2 PGND3 2 2K R105 C171 1n 1n C173 1 9 9 0 1 R 0 3 1 0 1 1 R 1n C176 C178 1n 75 R111 39p C182 1 9 2 1 1 R 47p C155 10u C216 47 R117 VPWR 0 3 1 8 1 1 R ANT_SEL0 ANT_SEL1 ANT_SEL2 ANT_...

Page 71: ...OUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G Checking Switch Block Power Source j G w XG ih G u j Ghu G zlsGWG SGXG SGYSGZ o Gs G G G G G G G G G j G Gs G p G G G Check the TP1 VPWR UY GcG GcGZU G Check ANT_SEL 0 1 2 3 High Level 4 2V Voltage 3 6V Check theTP1 VPWR No Yes Check the Logic in each mode ...

Page 72: ...ved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 4 5 CheckingWCDMA Block START 1 CheckTCXO 19 2MHz 6 Ro download SW Cal 2 Check FEM Block Refer to 1 4 3 Check RFTx Level 4 Check PAM Block Refer to 1 5 4 5 Check RF Level ...

Page 73: ...right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G 4 5 1 Checking TCXO Block Refer to 1 3 4 5 2 Checking FEM Block Refer to 1 4 4 5 3 Checking RF TX Level Test Point TX Level TP1 TP2 TP3 TP4 ...

Page 74: ... C107 C139 1 5p R101 49 9 C241 10n L104 3 3n C115 3n C111 0 5p 1 8n L105 DNI C116 VPWR DNI L106 C117 DNI C118 33p L107 2 7n C119 33p DNI C125 4 7u C127 DNI C131 VPWR 100 R102 R103 100 R104 68 SAYFP1G95AA0B00 SDMY0001901 FL103 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 GND4 C242 1n SAFEB1G95KA0F00 SFSY0028101 FL105 5 2 4 1 3 G3 IN OUT G1 G2 100p C132 C134 100p C138 100p L115 18n L110 27n ...

Page 75: ...OTING For testing Max power output is needed Check ANT_SEL 0 1 2 CheckTP1 Over 21dBm RFTx Level is OK Yes No Check PAM Block Refer to 1 5 4 CheckTP2 Over 21dBm CheckTX Module Yes No CheckTP3 Over 21dBm Check Duplexer Yes No CheckTP4 Over 7dBm Check RTR6285 Yes No RTR6285 Maximun output Power 7dBm RTR6285 minimun output Power 80dBm ...

Page 76: ...G 㠄㡸G 㵲㡸G G 㛺 UG G G 4 5 4 Checking PAM Block PAM control signal WCDMA_2100_ON W_1700_1900_ON W_850_900_ON PAM Enable WCDMA_PA_RO PAM Gain Control PAM Enable must be HIGH over 2 6V PAM IN OUT Signal When PAM is under the operation of high power mode WCDMA_PA_R0 Low PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm Test Point TX Level TP1 TP2 TP3 TP3 ...

Page 77: ...41 33p C105 33p 1 8n L112 C233 0 5p L120 2 7n 33p C144 33p C145 33p C148 C147 2 2p C140 1 5n C106 15n C114 3 9n U101 SMPY0021901 ACPM 5208 6 5 7 4 8 3 9 2 10 1 11 PGND VCC1 VCC2 RFIN RFOUT VBP ISO VMODE GND VEN CPL DNI C249 C108 100p 2 2n L136 FL114 SDPY0004701 ACMD 7407 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 GND4 C235 1 5n VPWR C142 6 8p C232 DNI 10p C234 L141 3 9n C129 100p C236 4 ...

Page 78: ...nly for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING Set the phoneTx is ON and PDM is 210 CheckTP3 Over 21dBm RFTx Level is OK Yes No Change the board CheckTP2 PA_RO 2 6V Check QSD8650 Yes No CheckTP1 Over 10 dBm Check RTR6285 Yes No ...

Page 79: ...opyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G 4 5 5 Checking RF Rx Level Test Point RF Rx Level TP2 TP3 TP4 Bias ...

Page 80: ...GSM_IN 6 D N G VAPC GND5 VBATT GND4 BS2 GND3 BS1 GND2 _TXEN ANT E D O M WCDMA3 PGND4 PGND5 PGND6 P M E T 4 X R 3 X R 2 X R 1 X R WCDMA1 WCDMA2 7 D N G P 8 D N G P 9 D N G P PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 PGND16 PGND1 PGND2 PGND3 2 2K R105 C171 1n 1n C173 33p C174 1 9 9 0 1 R 0 3 1 0 1 1 R 1n C176 C178 1n 75 R111 39p C182 1 9 2 1 1 R 47p C155 10u C216 47 R117 VPWR 100n L135 0 3 1 8 1 1 R...

Page 81: ...3p C145 33p C148 C140 1 5n 2 2n L136 FL114 SDPY0004701 ACMD 7407 7 5 8 4 9 2 3 1 6 ANT RX TX GND1 GND6 GND2 GND5 GND3 GND4 C142 6 8p C232 DNI 10p C234 100p C246 RX_WCDMA_2100 WCDMA_2100_RTX RX_WCDMA_850_900_M WCDMA_1700_1900_RTX WCDMA_850_900_RTX RX_WCDMA_850_900_P W1900 Rx 1930 1990MHz W1900 Tx 1850 1910MHz W850 TX 824 849 MHz W900 TX 880 915 MHz W2100 TX 1920 1980 MHz TP2 1 5p C156 L122 33p 2140...

Page 82: ... TROUBLE SHOOTING Set the phone Rx is ON Check BIAS over 2 1V Check bias block soldering No Yes Change the board CheckTP1 Signal exist Check RF Switch M S No Yes CheckTP2 Signal exist CheckTX Module Refer 1 4 No Yes CheckTP3 Signal exist Check Duplexer No Yes CheckTP4 Signal exist Check RTR6285 and Rx SAW filter No Yes ...

Page 83: ...ly Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 6 Checking GSM Block Start 1 CheckTCXO Block 4 Ro download SW Cal 2 Check ANT_SW Module 3 Check RF TRX Level ...

Page 85: ...ronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G 4 6 1 Checking TCXO Block Refer to 1 3 4 6 2 Checking FEM Block Refer to 1 4 Checking RF TX level TP1 TP2 TP3 ...

Page 86: ... PGND14 PGND15 PGND16 PGND1 PGND2 PGND3 2 2K R105 C171 1n 1n C173 33p C174 1 9 9 0 1 R L127 4 7n 0 3 1 0 1 1 R 1n C176 C178 1n 75 R111 C203 1 8p 39p C182 1 9 2 1 1 R L128 4 7n C205 2 2p 47p C155 18n L129 L132 DNI 2 7p C206 881 5MHz FL109 4 5 1 3 2 G1 O1 IN G2 O2 942 5MHz FL110 4 5 1 3 2 G1 O1 IN G2 O2 FL111 1842 5MHz 4 5 1 3 2 G1 O1 IN G2 O2 FL112 1960MHz 4 5 1 3 2 G1 O1 IN G2 O2 C180 2p C211 2 7p...

Page 87: ... CheckTCXO Block Refer to 1 3 CheckTP1 If GSM over 31 dBm If DCS PCS over 28 dBm GSM DCS PCSTx is OK Check other part Yes No Change the board CheckTP2 3 If GSM TP2 under 6 dBm If DCS PCS TP3 over 6 dBm Check ANT SW Block ASM EDGR PAM Refer to 1 4 Yes No Check RTR PAD Check soldering and components No Problem Still exist Problem START No ...

Page 88: ...right 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UU㝘 HG 㵬㦤G 㠄㡸G 㵲㡸G G 㛺 UG G G Checking RF Rx Block TP1 TP2 ...

Page 89: ...13 PGND14 PGND15 PGND16 PGND1 PGND2 PGND3 2 2K R105 C171 1n 1n C173 33p C174 1 9 9 0 1 R L127 4 7n 0 3 1 0 1 1 R 1n C176 C178 1n 75 R111 C203 1 8p 39p C182 1 9 2 1 1 R L128 4 7n C205 2 2p 47p C155 18n L129 L132 DNI 2 7p C206 881 5MHz FL109 4 5 1 3 2 G1 O1 IN G2 O2 942 5MHz FL110 4 5 1 3 2 G1 O1 IN G2 O2 FL111 1842 5MHz 4 5 1 3 2 G1 O1 IN G2 O2 FL112 1960MHz 4 5 1 3 2 G1 O1 IN G2 O2 C180 2p C211 2 ...

Page 90: ...ll right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING Set the phone Rx is ON CheckTP1 Signal exist Check RF Switch M S No Yes Change the board CheckTP2 Signal exist Check FEM Block Refer 1 4 No Yes ...

Page 91: ...r training and service purposes 4 TROUBLE SHOOTING XUG yv islGzovv pun 4 7 GPS WIFI BT FM Radio RF components RF component GPS Main board top side CN101 CN102 FL116 U105 Reference Description CN101 ANTENNA PAD connected to FPCB type antenna CN102 GND PAD FL116 GPS SAW FILTER U105 GPS LNA ...

Page 92: ...served Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING RF component BT WiFi FM radio Sub board top side Reference Description ANT702 ANTENNA PAD connected to FPCB type antenna ANT701 GND PAD U702 BT WiFi FM radio module ...

Page 93: ...nternal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 8 GPS WIFI BT Signal path GPS RX signal path Main board top side RTR6285 GPS LNA ...

Page 95: ...ck RF component GPS Main board top side TP1 TP2 R107 1K DNI C167 C170 33p C169 33p C168 DNI VREG_RFRX1_2 7V L121 3 3n C164 DNI C162 18p 12 R106 0 1u C161 33p C160 C159 33p DNI C158 FL116 B9444 1575 42 MHz 5 2 4 1 3 G3 IN OUT G1 G2 U105 3 2 5 4 1 N I _ F R FIL_OUT VDD S_D GND CN101 MCIZ0008501 1 CN102 HJ BCT 02Y 1 HJ BCT 02Y CN103 1 33p C250 DNI L124 L125 5 6n GPS_LNA_EN GPS_IN 0603 REV C REV E C C...

Page 96: ...right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING Set the phone GPS is ON CheckTP1 About 2 7V Check power LRC filter soldering No Yes Change the board CheckTP2 About 2 6V Check SW and NV item No Yes ...

Page 97: ...onics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 9 2 BT WiFi FM radio Trouble shooting XG YG ZG Power Clock Module Sub board top side START 1 Check the Power Component Change 2 Check the Clock 3 Check the Module ...

Page 98: ... 9 2 30 31 14 32 13 33 12 34 11 35 10 36 9 37 8 38 7 39 6 40 41 42 OSC_OUT OSC_IN GND15 BT_HOST_WAKE_B AUD_IN_R I2S_DI AUD_IN_L I2S_DO AUD_OUT_R I2S_CK AUD_OUT_L I2S_WS GND8 BT_ENABLE VBAT2 WL_ENABLE VBAT1 WL_HOST_WAKE_N GND3 WL_WAKE_N SR_VLX1 SDIO_CMD SR_AVDD_2P5 GND10 A P _ D D V SDIO_D3 SDIO_D2 GND12 1 D _ O I D S 0 D _ O I D S K L C _ O I D S Q E R _ K L C X R _ T R A U X T _ T R A U O I D D V...

Page 99: ...lectronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING START Check TP1 3 3V TP1 4 2V Check TP2 TP1 2 8V Check TP3 TP1 2 6V Check the Clock block Check the VBAT Check the PMIC Check the PMIC Yes No No No Yes Yes ...

Page 100: ...se Only 4 TROUBLE SHOOTING Checking Clock Sub board top side wX wY TP1_R701 TP2_C707 Test point Net name Voltage level TP1 CLK_REQ logic high TP2 CLK_IN 26MHz Test points of BT WiFi block VDD_TCXO VPWR EUSY0407101 5 3 2 4 1 VOUT VIN GND STBY D N G P CLK_REQ TCXO LDO TP1 VDD_TCXO 4 2 3 1 NC OUT GND VCC CLK_IN TP2 ...

Page 101: ...pyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING START CheckTP1 TP1 logic high BT WiFi Module No Yes Check the BT WiFi Module block CheckTP2 26MHz Check X tal X701 No Yes ...

Page 102: ...y 4 TROUBLE SHOOTING Checking Module BT output power check TP1_C747 Sub board top side Schematic of the BT WiFi block wX Test point Net name Power dBm TP1 RF_IN_OUT 7 2 6 9 5 7 6 5 4 3 2 0 6 1 1 6 1 D N G GND11 3 1 D N G 2G4_ANT GND14 BT_WAKE_B BT_HOST_WAKE_B I2S_DI 5 D N G 6 D N G BT_WAKEUP BT_HOST_WAKEUP REV 1 0 TP1 ...

Page 103: ...0 Æ Module test set Æ BT DUT Æ BT DUT ON 2 Insert a phone in a TEMCELL in case of radiation test 3 Set discover after push menu button of the tester and select the link analyzer 4 After set test mode confirm the connection state 5 Measure the power of full channel after hopping mode is selected to ON 6 You can select wanted test cases after getting an optimized power 7 Blue tooth On Off Menu Key Æ...

Page 104: ...MSMC2_APC_1 23V C417 VREG_MSME_1 8V C433 VREG_MSMP_2 6V C430 VREG_MSMA_2 6V C429 VREG_TCXO_2 85V C427 Æ power ON Æ Phone booting and PS_HOLD D404 go to High 4 Troubleshooting Start Battery voltage higher than 3 5V TP1 high to low when key press TP2 TP3 TP4 TP5 TP6 TP7 power up Is clock ok R427 19 2M C462 32 768Khz Change or charging the Battery 1 Check correctly working power key Change the Main b...

Page 105: ...e purposes 4 TROUBLE SHOOTING UG Test point Net name Voltage level TP1 KPD_PWR_N 2 6V 0V TP2 MSMC1_MODEM_1 23V 1 23V TP3 MSMC2_APC_1 23V 1 23V TP4 VMSMP_2 6V 2 6V TP5 VMSME_1 8V 1 8V TP6 VTCXO_2 85V 2 85V TP7 VMSMA_2 6V 2 6V TP8 PMIC_TCXO 19 2MHz TP9 SLEEP_CLK 32 768KHz TP10 PS_HOLD 2 6V PM7540 Power sequence ...

Page 106: ... 107 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING UG TP1 TP2 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 ...

Page 107: ...77 5P SD E1500 11 10 9 5 4 3 2 1 8 7 6 VBUS D D ID GND MAX14528 EUSY0374601 U404 9 6 5 3 4 8 2 7 1 IN1 OUT1 IN2 OUT2 IC1 OVLO IC2 D N G D N G P C445 1u VCHG_VBUS C446 22p 22p C447 F L 2 1 D S P 1 0 4 D Z FL400 NFM18PC104R1C3 1 IN OUT GND1 GND2 ESD9B5_0ST5G D405 C448 1u MAX_DP MAX_DM USB_ID REV B 25V REV 1 0 2mm 2mm TA OVP Circuit VBUS 2mm 108 LGE Internal Use Only Copyright 2010 LG Electronics Inc...

Page 108: ...ble voltage 4 8V or 5 0V TP2 Change TA or u USB Cable Is it charging properly After turning on U404 TP3 END NO Yes NO Yes NO Yes TP4 Check PMIC U405 SMT status by X ray Exchange U405 or Change the Main board And Retest 109 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING ...

Page 109: ...0 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Test point Net name Voltage level TP1 Micro USB connector TP2 IO connector 1pin 4 8V or 5V TP3 VCHG_VBUS 4 8V or 5V TP4 PMIC TP1 TP2 TP3 TP4 ...

Page 110: ...ROUBLE SHOOTING UG Gz USB Initial sequence of LG E900 is USB connected to LG E900 Æ VCHG_VBUS FL400 go to 5V Æ MUIC operation IC400 Æ USB work 4 12 USB trouble Start VCHG_VBUS is about to 5V TP1 USB DATA line any signal TP2 Change the Main board Check FL400 Check IC400 TP3 NO YES NO Cable is insert YES Cable insert NO YES ...

Page 111: ...right 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz TP1 TP2 TP3 Test point Net name Voltage level TP1 VCHG_VBUS 4 8V or 5V TP2 USB DATA 0V 3 3V 400mV TP3 MUIC Visual check ...

Page 112: ... Sub system Input TP1 Æ SPK_RCV Æ TP2 Æ SPEAKER UG Gz 4 13 Audio trouble 4 13 1 Receiver path Start NO Connect the phone to network Equipment and setup call Setup 1KHz tone out YES Can you hear the tone YES END YES Change the Receiver Hear the tone to the receiver NO END The sine wave appear At TP1 Change the Main Board NO YES END NO The sine wave appear at TP2 YES Change the Main Board ...

Page 113: ...erved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz TP1 TP2 SPEAKER TP2 TP1 TP 1 C517 1u C518 1u WM9093ECS R EUSY0403901 IC501 C3 C2 D1 D3 4 D C1 D2 IN2 IN1 D D V S IN3 IN2 IN1 IN3 1u C536 1u C537 47n C521 47n C522 HPH_L HPH_R RCV_N RCV_P LINE_OP LINE_ON TP1 ...

Page 114: ...2 Æ J801 Headset Connector UG Gz 4 13 2 Headset path Voice Multimedia play Start The sine wave appear at TP1 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out And insert head_Set YES Can you hear the tone or sound NO YES END YES Check the Ear mic The sine wave appear at TP2 Change the Main board NO YES Or Play Multimedia Contents And insert headset ...

Page 115: ...y for training and service purposes 4 TROUBLE SHOOTING UG Gz wX wY TP1 TP2 TP2 C517 1u C518 1u WM9093ECS R EUSY0403901 IC501 C3 C2 D1 D3 4 D C1 D2 IN2 IN1 D D V S IN3 IN2 IN1 IN3 1u C536 1u C537 47n C521 47n C522 HPH_L HPH_R RCV_N RCV_P LINE_OP LINE_ON TP1 FM_ANT EAR_L EAR_R REV E TP2 ...

Page 116: ...or Æ Speaker UG Gz 4 13 3 Loud speaker path voice speaker phone Multimedia play Start The sine wave appear at TP1 Change the Main board NO Connect the phone to network Equipment and setup call Setup 1KHz tone out Set phone with speaker phone mode or Play the multimedia contents YES Can you hear the tone Change the Speaker NO YES END NO The sine wave appear at TP2 Change the Main board YES 4 13 3 L...

Page 117: ...erved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz TP1 TP2 TP1 SPEAKER TP2 TP1 C517 1u C518 1u WM9093ECS R EUSY0403901 IC501 C3 C2 D1 D3 4 D C1 D2 IN2 IN1 D D V S IN3 IN2 IN1 IN3 1u C536 1u C537 47n C521 47n C522 HPH_L HPH_R RCV_N RCV_P LINE_OP LINE_ON TP1 ...

Page 118: ...s below MIC Æ MIC_1P 1N TP2 Æ MAIN MIC TP3 MIC_BIAS Æ TP1 Æ MAIN MIC TP3 UG Gz 4 13 4 Microphone for main MIC Can you scoping some sound signal at TP2 Change the MIC NO YES make some sound or voice to MIC Work well END YES Start MIC_BIAS TP1 is 1 6V 1 8V Change the Main B d NO Make a call Can you scoping some sound signal at TP3 NO Change the Main B d YES YES ...

Page 119: ...served Only for training and service purposes 4 TROUBLE SHOOTING UG Gz wX wY TP1 TP2 MIC901 u 1 7 0 9 C 1 0 9 C I M 4 3 2 1 P 1 G 2 G O K 2 2 5 0 9 R 6 0 9 C p 3 3 8 0 9 C p 3 3 9 0 9 C p 3 3 1 0 9 B F 0 0 8 1 2 0 9 B F 0 0 8 1 N 1 _ C I M P 1 _ C I M S A I B _ C I M TP1 TP2 ...

Page 120: ...S_MIC Æ FB801 Æ J801 Headset Connector HS_MIC_BIAS_EN Æ U801 2 1V LDO Æ TP1 MIC BIAS raise to 1 6V 1 8V Æ J801 Headset Connector UG Gz 4 13 5 Microphone for headset Insert Headset Make a call Change the Main b d MIC_BIAS TP1 is 1 6 1 8V NO Can you scoping some sound signal at TP2 make some sound or voice to MIC Work well END YES NO Start Change the Main b d NO Change the Ear mic YES YES YES YES ...

Page 121: ...r training and service purposes 4 TROUBLE SHOOTING wX wY TP1 TP2 2 3 6 5 4 1 M5_MIC M4_L M3_DETECT M4D DETECT M1_R M6_GND VREG_MSMP_2 6V D G S VREG_MSMP_2 6V EUSY0393901 5 3 2 4 1 VOUT VDD GND CE D N G P FM_ANT EAR_L EAR_R HS_MIC HS_MIC_BIAS_EN D N G _ R A E EAR_SENSE REV E REV E TP1 TP1 ...

Page 122: ... generated by QSD8650 UG Gz 4 14 5M Camera trouble Check CAM POWER TP1 FB501 TP2 C516 TP3 C525 Camera is OK Check the camera conn and reconnect the camera Camera is OK Change the camera Yes NO NO Yes Change the Main board End Yes End NO START Check Control signal TP4 R506 TP5 VA505 Yes Check CAM DATA TP6 FL501 FL502 FL503 Yes No Change the Filter FL600 FL601 FL602 NO ...

Page 123: ... for training and service purposes 4 TROUBLE SHOOTING UG Gz TP1 TP2 TP3 TP4 TP5 TP6 Test point Net name Voltage level TP1 VREG_CAM_DVDD_1 8V 1 8V TP2 VREG_CAM_AVDD_2 8V 2 8V TP3 VREG_CAM_AF_2 8V 2 8V TP4 CAM_MCLK Rectangular signal TP5 CAM_RESET_N 1 8V or 0V TP6 CAM_DATA 0 9 1 8V or 0V ...

Page 124: ... by QSD8650 Those signal s path are QSD8650 Æ LCD Module UG Gz 4 15 Main LCD trouble The LCD works START Press POWER key to turn the power on Is the circuit powered Follow the Power ON trouble shooting LCD display OK Check TP1 C550 TP2 C549 TP3 FL504 TP4 D504_PIN4 TP5 U508 No Yes Yes Disconnect and reconnect LCD connector Change the Main BD No End Yes Change the LCD module No ...

Page 125: ... reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz Test point Net name Voltage level TP1 VREG_LCD_3 0V 3 0V TP2 VREG_LCD_1 8V 1 8V TP3 MDDI DATA Filter short open check TP4 LCD_RESET_N 0V or 1 8V TP5 LCD BACKLIGHT IC Visual Check TP1 TP2 TP3 TP4 TP5 ...

Page 126: ... LG E900 is SIM_CLK SIM_RST SIM_IO triggered Æ VRUIM_2 85V go to 2 85V Æ SIM IF work Test point Net name Voltage level TP1 VREG_RUIM_2 85V 1 8V or 2 85V TP2 SIM_CLK 1 8V or 2 85V clock TP3 SIM_RST 1 8V or 2 85V TP4 SIM_IO 1 8V or 2 85V any signal Start Work well TP1 is 2 85V TP2 4 is run Change the Main board End Check J701 Yes No YES NO Re insert the SIM card Change SIM card Work well End Yes No ...

Page 127: ...onics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Figure USIM part schematics TP1 TP2 TP3 TP4 9 8 10 7 6 3 5 2 4 1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 VREG_RUIM_2 85V SIM_RST SIM_CLK SIM_IO TP1 TP2 TP3 TP4 ...

Page 128: ...eshooting Key FPCB Key FPCB consists of Volume Key Camera Key Front Key UG Test point Net name Voltage level TP1 KEY_COL0 0V TP2 KEY_COL1 0V TP3 KEY_COL2 0V TP4 KEY_COL3 0V TP5 KEY_ROW0 2 6V TP6 KEY_ROW1 2 6V TP1 TP2 TP3 TP4 TP5 TP6 Start Key press Change the KEY FPCB Yes TP1 6 KEY_COL 0 3 is Low KEY_ROW 0 1 are High No Change the Main board And Retest ...

Page 129: ... DC Motor signal s path is PM7540 Æ MAIN TO SUB connector Æ Sub PCB Motor Test point Net name Voltage level TP1 Motor wire Visual check TP2 operation voltage 3V TP1 TP2 Start Work well Is MOTOR operation voltage 3V TP2 End Change the motor or Sub board YES No NO YES Reboot Change the main board Motor wire soldering ok TP1 Change motor or Re solder NO YES ...

Page 130: ...ed as below Send Key click Î Phone number click Î Call connected Î Object moved at the sensor Î Control the screen s on off operation automatically 4 19 Proximity Sensor on off trouble Send Key click call connected Object moved at the Proximity Sensor LCD off No Start End Change the Main Board YES Check POWER SIGNAL TP1 TP4 Yes No Chasnge the KEY_FPCB No Yes Work well ...

Page 131: ...nics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz TP1 TP3 TP4 TP2 Test point Net name Voltage level TP1 VREG_PROXI_2 6V 2 6V TP2 PROX_I2C_SCL Clock pulse TP3 PROX_I2C_SDA Any signal check TP4 PROX_OUT 0V or 2 6V ...

Page 132: ... On Î Object moved at the Luminance sensor Î automatically controls brightness of the display backlight Very slowly 4 20 Luminance Sensor on off trouble Sensor ALC function On Object moved at the Luminance sensor LCD backlight change slowly No Start End Yes NO Change the KEY PCB YES Work well Check ALS I2C signal TP2 TP3 NO Change the Main Board Check ALS POWER TP1 NO Change the Main Board YES YES...

Page 133: ... 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING UG Gz Test point Net name Voltage level TP1 VREG_ALS_1 8V 1 8V TP2 ALS_I2C_SCL Clock pulse TP3 ALS_I2C_SDA Any signal check TP3 TP1 TP2 ...

Page 134: ...orked as below Accelerometer Sensor function On Î Tilt the phone 90ȋ Î The screen is had rotated automatically 4 21 Motion Sensor on off trouble Accelerometer Sensor function On Tilt the phone The screen is rotated No Start End Yes NO Change the Main Board YES Work well INT signal TP4 NO Change the Motion sensor U504 I2C signal TP2 TP3 YES Check Sensor POWER TP1 ...

Page 135: ... Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING Gz Test point Net name Voltage level TP1 VREG_MSMP_2 6V 2 6V TP2 3D_SCL Clock pulse TP3 3D_SDA Any signal check TP4 3D_INT_N 0V or 2 6V TP3 TP4 TP1 TP2 ...

Page 136: ...t reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD 5 DOWNLOAD 164 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 5 DOWNLOAD LG E900 LG E900 ...

Page 137: ... Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 165 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD LG E900 LG E900 LG E900 ...

Page 138: ...ll right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 166 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LG E900 LG E900 ...

Page 139: ... Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 167 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD LG E900 LG E900 LG E900 ...

Page 140: ...nc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 168 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LG E900 ...

Page 141: ...ight 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 169 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD ...

Page 142: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 170 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD ...

Page 143: ...ight 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 171 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD ...

Page 144: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 172 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD ...

Page 145: ...ight 2010 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 173 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD ...

Page 146: ...or training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 174 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 ...

Page 147: ... All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 175 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 ...

Page 148: ... reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 176 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LG E900 LG E900 LG E900 LG E900 ...

Page 149: ... GSM VREG_RFRX_1 2 7V 150mA Proximity sensor Proximity sensor ISNS_P ISNS_N VBAT VPWR NUS5530MN NUS5530MN VCHG_VBUS BT_WLAN TCXO USB PHY POWR LDO BT_WLAN TCXO USB PHY POWR LDO 5Pin Cradle Connector 5Pin Cradle Connector TA OVP MAX14528 TA OVP MAX14528 VREG_EFUSE_PROG 50mA VREG_SYNTH 2 75V 50mA VREG_LCD_1 8V 150mA CAMERA CAMERA VREG_CAM_VDD_AF_2 8V 300mA VREG_CAM_AVDD_2 8V 150mA VREG_CAM_DVDD_1 8V ...

Page 150: ...SD8650 DDR SDRAM 4Gbit 2CS DATA 31 0 ADDRESS 13 0 EBI1 EBI2 eMMC 16GB PMIC PM7540 NAND E2PROM 4Gbit SDRAM_CKE SDRAM_CLK SDRAM_CLK_N SDRAM_CS_N SDRAM_WE_N SDRAM_RAS_N SDRAM_CAS_N SDRAM_BA 1 0 SDRAM_DQM 3 0 SDRAM_DQS 3 0 NAND_CS_N EBI2_WE_N NAND_OE_N NAND_ALE NAND_CLE EBI1_RESOUT_N NAND_READY_N EBI2_D 15 0 eMMC_CLK eMMC_DATA 7 0 eMMC_CMD USIM SIM_RST SIM_IO SIM_CLK MSM_USIM_RST MSM_USIM_DATA MSM_USI...

Page 151: ...sor BMA150 MOTION_I2C_SDA MOTION_I2C_SCL Proximity Sensor GP2AP002S00F Proximity Sensor GP2AP002S00F PROX_OUT 19 2MHz 19 2MHz FPGA EBI to I2C FPGA EBI to I2C EBI2_DATA 7 0 EBI2_ADDR 4 0 nFPGA_CS6 nOW2 nWE2 Digital Compass AK8973B Digital Compass AK8973B CMPS_I2C_SDA CMPS_I2C_SCL SPI I F TOUCH T1320 TOUCH T1320 TOUCH_I2C_SDA TOUCH_I2C_SCL PROX_I2C_SDA PROX_I2C_SCL Lighting Sensor BH1721FVC Lighting...

Page 152: ...s LGE Internal Use Only 6 BLOCK DIAGRAM Great Company Great People System HW Block Diagram USB QSD8650 Micro USB 5pin Connector Micro USB 5pin Connector HIGH SPEED 3 3V LDO 3 3V LDO PM7540 USB_3 3V_EN TS5USBA33402YZPR MUIC USB_D USB_D VCHG_VBUS USB_ID USBH_DM USBH_DP USB_3 3V VCHG_VBUS HIGH SPEED ...

Page 153: ...y Great People System HW Block Diagram Audio Sub System QSD8650 Dual Speaker 18 10 3 0T 3 5Phi Ear jack MIC1 MIC_1P MIC_1N MICBIAS SPK_RCV SPK_RCV Audio Sub System WM9093 EAR_R EAR_L HPH_R HPH_L LINE_OP LINE_OUT_L AUDIO_I2C_SDA AUDIO_I2C_SCL PM7540 EAR1_OP EAR1_ON LINE_ON LINE_OUT_R 2 1V LDO HS_MIC_BIAS HS_MIC Headset Ear phone Headset MIC2 HS_MIC ...

Page 154: ...P GPCS_INN GCELL_INP GCELL_INN LB_RF_OUT2 WPRXLBN WPRXLBP TCXO WPRXSE2 GPS_IN VCONT SBDT_SSBI ANT_SEL0 1 2 3 BS1 System HW Block Diagram RTR6285 and RF GPS W2100 RX SAW FILTER WPRXSE2_OUT WB_MX_INM WB_MX_INP GPS LNA RX SAW FILTER GPS Flip Flop D TRK_LO_ADJ TCXO_OUT CK PRX_IQ PRX_IQ DRX_IQ DRX_IQ GSM Quad PAM HB_RF_OUT2 WCDMA TX SAW WCDMA TX SAW W900 DPX W2100 DPX W1900 DPX WPRXHBN WPRXHBP WCDMA PA...

Page 158: ...DCS_INN VDDA1_6 GPCS_INP VDDA2_1 GPCS_INN VDDA2_2 VDDA2_3 GPS_IN VDDA2_4 PDET_IN VDDA2_5 TX_RBIAS VDDA2_6 WPRXSE1 VDDA2_7 WPRXSE2 VDDA2_8 VDDA2_9 VDDA2_10 VDDA2_11 VDDA2_12 D N G P T U O _ 2 E S X R P W T U O _ 1 E S X R P W P N I _ X M _ B W M N I _ X M _ B W M D D V C180 2p C211 2 7p C213 1n C106 15n C214 33p C114 3 9n K 1 5 1 1 R DNI L130 L131 DNI U101 SMPY0021901 ACPM 5208 6 5 7 4 8 3 9 2 10 1...

Page 159: ... 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 N _ T S R T K C T K C T R S M T N _ T S R S O D T I D T 1 E G N A R _ A P _ 0 _ O I P G _ M P M C I M P _ I B S S _ 2 _ O I P G _ M P M N E _ O X C T _ 1 _ O I P G _ M P M E S _ T S E T _ L L P 0 _ Q D _ 1 I B E 1 _ Q D _ 1 I...

Page 160: ... A _ 5 4 1 _ O I P G N I K L C _ R E T S A M _ O I D U A _ 6 4 1 _ O I P G 2 1 C F R G _ 7 4 1 _ O I P G E L B A N E _ S U C O F _ F I M A C _ 9 4 1 _ O I P G P 1 C I M N 1 C I M P 2 C I M N 2 C I M P I X U A N I X U A P I _ R _ E N I L N I _ R _ E N I L P I _ L _ E N I L N I _ L _ E N I L L _ T U O _ E N I L _ P O _ E N I L R _ T U O _ E N I L _ N O _ E N I L P O _ 1 R A E N O _ 1 R A E T U O _ X...

Page 161: ...CLDO SCL GND T E S I VPWR C438 0 1u R406 2 2K 10n C439 VCHG_VBUS VPWR VBAT NUS5530MN Q400 5 6 4 7 3 8 2 9 1 10 DRAIN_B NC1 COLLECTOR_B COLLECTOR EMITTER SOURCE BASE DRAIN NC2 GATE 7 0 4 R 1 0 C436 0 1u VBAT C440 10n VREG_MSMP_2 6V 9 2 4 R K 0 0 3 R452 4 7K 2 1 4 R 0 5 1 u 1 1 4 4 C R413 10K K 6 0 8 4 1 4 R MSMA_2 1V 0 1U C442 VBAT C481 4 7u 4 7 uF 6 3V K X5R TC 1608 R TP F L 5 0 D S P 0 0 4 D Z K ...

Page 162: ...NOUT_A4 INOUT_B4 1 G 2 G C508 DNI VREG_MSMP_2 6V L K J I H G F E D C B A 12 11 10 9 8 7 6 5 4 3 2 1 L K J I H G F E D C B A 12 11 10 9 8 7 6 5 4 3 2 1 p 9 3 9 0 5 C u 1 0 1 5 C VPWR 2 2u C511 C512 2 2u 2 2u C513 VREG_MSME_1 8V u 2 2 4 1 5 C 5 1 5 C u 2 2 FB502 FB503 1u C516 C517 1u C518 1u 20 R509 20 R510 0 1u C519 0 1u C520 1 1 5 R K 7 4 u 0 1 3 2 5 C WM9093ECS R EUSY0403901 IC501 3 B A4 C3 C2 2 ...

Page 163: ...C I 4 0 6 A V R F 0 0 5 5 0 3 0 S V C I 3 0 6 A V R F 0 0 5 5 0 3 0 S V C I 6 0 6 A V R F 0 0 5 5 0 3 0 S V C I VREG_MSMP_2 6V 5 0 6 A V R F 0 0 5 5 0 3 0 S V C I 47K R601 C602 1u VREG_ALS_1 8V VREG_PROXI_2 6V EAR_GND SLEEP_CLK nJTAG_RESOUT MSM_TRSTN MSM_TCK MSM_TMS MSM_RTCK MIC_1N EAR_SENSE PROX_OUT UART3_RX REMOTE_PWR_ON UART3_TX BT_PCM_CLK BT_PCM_SYNC WLAN_CLK WLAN_CMD WLAN_SDIO 0 WLAN_SDIO 2 W...

Page 164: ...REG_MSMP6_2 8V FB702 VREG_RUIM_2 85V 9 8 10 7 6 3 5 2 4 1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 VPWR VREG_MSMP_2 6V VPWR VREG_MSMP_2 6V VREG_MSMP_2 6V VREG_RUIM_2 85V 2 6 9 5 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 2 9 1 8 1 17 16 15 9 2 8 5 30 31 14 32 13 33 12 34 11 35 10 36 9 37 8 38 7 39 6 40 5 41 4 42 3 2 0 6 1 43 44 45 46 7 4 8 4 9 4 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 1 6 1 D N G C N Y S _ M C ...

Page 165: ...P802 VA803 R804 1K VREG_MSMP_2 6V TP803 FB802 75 VPWR FB803 75 CN803 16 15 8 7 9 6 10 5 11 4 12 3 13 2 14 1 18 17 VREG_MSMP_2 6V C808 33p D806 D G S VREG_MSMP_2 6V EUSY0393901 5 3 2 4 1 VOUT VDD GND CE D N G P GND nJTAG_RESOUT MSM_TRSTN MSM_TCK MSM_TMS MSM_RTCK UART3_RX UART3_RX REMOTE_PWR_ON UART3_TX UART3_TX JTAG_PS_HOLD FM_ANT EAR_L EAR_R HS_MIC TOUCH_INT HS_MIC_BIAS_EN VIB_DRV_N MSM_TDO MSM_TD...

Page 166: ...8 L K J I H G F E D C B A 2 1 1 1 0 1 9 1 2 3 4 5 6 7 8 8 0 9 C p 3 3 9 0 9 C p 3 3 1 0 9 B F 0 0 8 1 2 0 9 B F 0 0 8 1 N 1 _ C I M N 1 _ C I M P 1 _ C I M P 1 _ C I M S A I B _ C I M S A I B _ C I M 2 L O C _ Y E K 2 L O C _ Y E K 2 L O C _ Y E K 0 L O C _ Y E K 0 L O C _ Y E K 0 L O C _ Y E K 1 L O C _ Y E K 1 L O C _ Y E K 1 L O C _ Y E K A D S _ C 2 I _ S L A A D S _ C 2 I _ S L A L C S _ C 2 ...

Page 168: ... 169 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 BGA Pin Map 8 BGA Pin Map BGA Pin Map BGA Pin Map QSD8650 top view NC pin ...

Page 172: ... 2 C 0 0 1 U FL114 C242 2 0 1 W S 2 4 1 C 2 1 1 C 5 3 1 L 2 9 1 C 7 1 2 C 4 0 2 C 1 9 1 C 8 8 1 C 8 1 2 C 0 5 1 C U106 7 7 1 C L127 3 8 1 C 4 1 2 C 6 0 2 C 3 3 1 L 1 1 2 C 0 1 1 C 2 1 1 L F C174 C141 C232 L137 L113 C140 6 1 1 L F C199 7 9 1 C 1 0 1 N C CN102 4 2 1 L 6 0 1 R 0 5 2 C C164 L125 9 6 1 C 8 5 1 C 7 2 1 R 4 5 1 C R116 7 0 2 C 1 5 1 C 7 8 1 C 3 9 1 C C224 2 0 2 C C220 C215 C200 L128 C152 ...

Page 173: ... 0 4 C C426 C548 8 7 2 C D252 7 1 4 C 9 4 4 R C552 C551 C561 8 7 4 C 4 0 4 D 5 5 4 R U507 1 0 5 X 4 7 4 C R439 C409 R440 R443 R437 R436 ZD251 D251 R608 R530 0 2 5 R 3 0 3 C 5 1 3 C 6 1 3 C TP505 5 5 5 C C562 6 5 5 C C563 1 0 5 U 3 5 5 C 4 5 2 C C558 0 6 2 C C557 C307 C313 R265 C311 R264 R251 C309 R258 R255 C310 C308 C285 C287 C283 R341 C281 R342 C251 R340 C299 R343 R345 R344 5 0 3 C C318 C317 C314...

Page 174: ...0 7 A V U701 1 0 7 A V R710 5 4 7 C C744 C726 7 1 7 R 4 1 7 R 9 2 7 C 7 3 7 C 6 1 7 R R709 3 3 7 C 2 1 7 R 1 1 7 R 0 3 7 C 3 0 8 R 1 0 8 A V C727 2 1 8 C 1 0 8 U ZD703 8 1 7 C 2 0 7 D Z 4 0 7 D Z 9 1 7 R 1 2 7 C 2 0 8 A V 0 2 7 C R804 1 4 7 C 4 3 7 C 1 0 8 N C 6 0 8 D 4 0 8 C 3 0 8 C D807 4 1 8 C 0 1 8 R R806 C809 3 0 8 N C 5 0 8 A V R723 1 0 7 J 3 0 8 P T D805 1 0 8 Q L801 R808 C801 C805 D803 FB8...

Page 176: ... 2010 LG Electronics Inc All right reserved Only for training and service purposes LG E900_RF_KEY_SPCY0239301_1 0_TOP C B D B C A C1005 2 0 9 W S KB4 KB1 9 0 0 1 C 3 0 0 1 U 0 1 0 1 C 8 0 0 1 C 3 0 0 1 C C1002 R1002 2 0 0 1 U KB2 1 0 0 1 R 6 B K 5 B K ...

Page 177: ...ight reserved Only for training and service purposes LG E900_RF_KEY_SPCY0239301_1 0_BOT 4 2 4 1 3 1 8 2 1 7 MIC901 ANT901 ANT902 ANT903 C910 SW901 1 0 9 N C 1 0 9 B F 7 0 9 C 8 0 9 C 5 0 9 R C909 C906 FB902 4 1 9 C 3 1 9 C ANT904 4 0 9 C 2 1 9 C 2 0 9 C 1 0 9 C C903 C911 5 0 9 C ...

Page 178: ...cs Inc All right reserved Only for training and service purposes LGE Internal Use Only 10 RF CALIBRATION 10 RF CALIBRATION 10 1 Configuration of Tachyon 10 1 1 Configuration of directory LG E900 LG E900 LG E900 LG E900 LG E900 LG E900 ...

Page 179: ...present Model Solution Qualcomm EMP ADI INFINEON MODEL NAME LGGW620 LGSH470 BUYER NAME SKT TEL VIVO OCX Conponent files PhoneCmd Phone communication file Report Report Files is present Caldata test data File D escrip tio n MODEL NAME _Calibration XML There are imformations to calibrate Itconsist of calibration items MODEL NAME _CallSetup XML There are imformations to call MODEL NAME _NV INI Itcons...

Page 180: ...eserved Only for training and service purposes LGE Internal Use Only 10 RF CALIBRATION 10 2 How to use Tachyon 10 2 1 Model selection Follow the procedure before start calibration auto test a Click the icon in tool bar Then you can see the below screen ...

Page 181: ...lectronics Inc All right reserved Only for training and service purposes 10 RF CALIBRATION c Select the model You should select LGE900 d Select the buyer must be double clicked Then you can see PASS in Config File Check e Click select button C D E ...

Page 182: ...ice purposes LGE Internal Use Only 10 RF CALIBRATION 10 2 2 Start cal auto a Click calibration autotest button in Tool bar b Calibration autotest will be executed in order 1 Precede Action NV write Test command send 2 Calibration 3 Auto test 4 After action Phone reset Change UE to AMSS ...

Page 184: ...mera SNMF00 Antenna Helical SNMF01 Antenna Helical GMEY00 Screw Machine AFBZ00 Frame Assembly MBJZ01 Button volume MBJZ02 Button Window SVLM00 LCD Module TFT AKAC00 Keypad Assembly Main EBR00 PCB Assembly Flexible SUMY00 Microphone Condenser EAD00 Cable Assembly ACGK00 Cover Assembly Front MDAY00 Decor MTAA00 Tape Decor MTAA01 Tape Decor EBR01 PCB Assembly Main SUSY00 Speaker Module SVCY00 Camera ...

Page 186: ...llet MPCY0012403 COMPLEXKG800FRABKDB DARKBLUE 2 MAY084000 Box Unit MAY64851001 COMPLEXLGE900 ATMKBKZZ WithoutColorGSP1Type_Glo balSPModelforOnly 2 MAY047100 Box Master MBEE0059801 COMPLEXKS360ACNRDZZ WithoutColor 2 MHR007000 Sleeve Box MHR62013201 COMPLEXLGE900 AORFBKZZ WithoutColorGSP1_LG E900_ORG_ORGForOnly 2 MEZ003500 Label Barcode MLAC0004541 COMPLEXHB620KPNBKZZ WithoutColor 2 MEZ047200 Label ...

Page 187: ...lackMOLD PCLUPOYSC 1004A 4 MCQ049800 Damper Motor MPBJ0080401 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 4 MCQ009400 Damper Camera MPBT0102401 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 4 MCQ015700 Damper Connector MPBU0117701 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 4 MCQ015701 Damper Connector MPBU0117801 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 4 MCQ015702 Damper Connect...

Page 188: ...000000 Damper MPBZ0360501 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 5 MCQ000001 Damper MPBZ0360601 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 5 MJN020800 Tape Decor MTAA0234101 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 5 MJN020801 Tape Decor MTAA0234301 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empty 5 MJN020802 Tape Decor MTAA0234901 COMPLEXLG E900TMOZYZZ WithoutColorCOMPLEX empt...

Page 189: ...2 SC303 Clip MCGY0004201 COMPLEXLG E900TMOZYZZ WithoutColor 6 CN101 CN102 CN103 Contact MCIZ0008501 COMPLEXLG T310VIVBKZZ WithoutColorPRESS BeCu 3 5 2 0 1 5 7 SC701 CanAssembly Shield ACKA0030701 LG E900TMOZYSV SilverSUBPCB 7 ANT701 ANT702 Contact MCIZ0008501 COMPLEXLG T310VIVBKZZ WithoutColorPRESS BeCu 3 5 2 0 1 5 3 FAB010000 Screw Machine GMEY0014301 GMEY0014301BH 1 4mM3 5mMMSWRNIPLTN KUMGANGSCR...

Page 190: ... TP MURATAMANUFACTURINGCO LTD 7 R1002 Resistor Chip ERHZ0000402 MCR01MZP5J10010OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 7 R1001 Resistor Chip ERHZ0000478 MCR01MZP5J3R33 3OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 7 SW902 Switch Tact ESCY0006101 EVPAHBF6A15V 20mA HORIZONTAL 1G 1C1P BJPANASO NICELECTRONICPARTSCO LTD 7 U1002 IC Proximity EUSY0376201 GP2AP002S00FGP2AP002S00F 8 R ...

Page 191: ...Condenser SUMY0010609 SPU0410HR5H PBSPU0410HR5H PB UNIT 42dB 3 76 2 95 1 1 memssmdmicKNOWLESACOU STICS 5 EBR070100 PCBAssembly Flexible Insert EBR72762601 LGE900 AORFBK 4 EAJ020200 LCD Module TFT SVLM0040901 LS038Y3LX01Main 3 8 480 800 53 748 92 49 2 0t 262K TF T TM S6D16A0 SHARPCORPORATION 4 EAD010000 Cable Assembly SWCC0011001 U FL 2LPVHF 04N1TC A76LG76mm LINE U FL_U FL H 2 0 WHITE HIROSEKORE AC...

Page 192: ...C253 C254 C255 C256 C257 C258 C259 C263 C264 C266 C267 C270 C271 C272 C273 C274 C275 C276 C277 C278 C279 C280 Capacitor Ceramic Chip ECCH0009101 C0603X5R0J104KT00NN0 1uF10 6 3VX5R 55TO 85C0603R TP TDKCORPORATION 6 C281 C282 C283 C284 C285 C286 C287 C288 C289 C290 C294 C295 C296 C297 C298 C299 C301 C306 C307 C315 C316 C317 C318 C342 Capacitor Ceramic Chip ECCH0009101 C0603X5R0J104KT00NN0 1uF10 6 3V...

Page 193: ...VX7R 55TO 125C0603R TP ROHM 6 C260 C261 C262 C265 C269 C291 C292 C293 C300 C302 C303 C304 C305 C308 C309 C310 C311 C312 C313 C314 C351 C355 C364 C365 C368 C401 C404 C409 C410 C427 C428 C431 C441 C444 C510 C562 C563 C602 Capacitor Ceramic Chip ECCH0017301 CL03A105MQ3CSNH1000000pF 6 3V M X5R HD 0603 R TP 1 20 6 3V X5R 55TO 85C 0603 R TP 0 3mmSAMSUNGELECTRO MECHANICSCO LTD 6 C416 C417 C432 Capacitor ...

Page 194: ...SINC 6 D501 D502 ZD251 ZD402 Diode TVS EDTY0010101 ESD9B5 0ST5GESD9B5 0ST5G SOD 923 5V 300mW R TP 15pFSCGHONGKONGSARLTD 6 L400 L404 L405 Inductor WireWound Chip ELCP0008004 MIP2016D4R7M4 7UH30 0V900mA0 16OHM0HZ0SHIELD 2 0X1 6X1 0MMNONER TPFDKCORPORATION 6 L402 Inductor WireWound Chip ELCP0008017 CIG21L2R2MNE2 2UH30 1 3A0 08OHM SHIELD2X1 25X1MMNONE SAMSUNGELECTRO MECHANICSCO LTD 6 L403 Inductor Wir...

Page 195: ...ION 6 R448 Resistor Chip ERHY0009536 MCR006YZPF1003100KOHM1 1 20W0603R TP ROHMSemiconductorKOREACORPORATION 6 R432 Resistor Chip ERHY0009547 MCR006YZPF2003200KOHM1 1 4W0603R TP ROHMSemiconductorKOREACORPORATION 6 R400 Resistor Chip ERHY0009558 MCR006YZPF680268KOHM1 1 20W0603R TP ROHMSemiconductorKOREACORPORATION 6 R260 R261 Resistor Chip ERHY0009584 MCR006YZPF24R024OHM1 1 20W0603R TP ROHMSemicondu...

Page 196: ...30 Resistor Chip ERHZ0000488 MCR01MZP5J4R74 7OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 6 R407 Resistor Chip ERHZ0003901 MCR10EZHFLR1000 1OHM1 1 4W2012R TP ROHM 6 R428 Resistor Chip ERHZ0004201 MCR01MZP5F1213121KOHM1 1 16W1005R TP ROHM 6 SW401 Switch Tact ESCY0008301 EQP3M01K12V 0 05A HORIZONTAL G 10C2P 12VDC PAN ASONICINDUSTRIALKOREACO LTD 6 U507 IC BusController EUSY0222709 ICE65L04F T...

Page 197: ...Y0408201 74LVC1G79GM1 65 5 5V DFLIP FLOPSOTR TP6P STCCORP 6 X501 Oscillator Crystal EXSY0025401 CSC3S192000EFVRS0019 2MHZ50PPM1 8V0 0x0 0x0 0M MNONESMDR TPPARTRONCOMPANYLIMITED 6 X400 Crystal EXXY0024301 CM315 12 5PF 32 768KHZ20PPM12 5PF32 15SMDR TPCI TIZENDISPLAYSCO LTD 6 R262 R263 R266 R267 R268 R352 WirePad Open SAFO0000401 AX3100ATLSV_SHIPBACK MAIN A 0OHMDNI 6 R253 R256 R258 R264 R349 R455 R53...

Page 198: ...005R TP TDKCORPORATION 6 C216 Capacitor Ceramic Chip ECCH0005604 GRM188R60J106M10000000pF 6 3V M X5R TC 1608 R TP 0 8mmMURATAMANUFACTURINGCO LTD 6 C107 C127 C236 C481 ChipCeramicCapacitor MLCC ECCH0006201 C1608X5R0J475KT000N4 7uF10 6 3VX5R 55TO 85C1608R TP TDKCORPORATION 6 C526 C529 Capacitor Ceramic Chip ECCH0007804 CL05A225MP5NSNC2 2uF20 10VX5R 55TO 85C1005R TP0 5MMSAMSUNGELECTRO MECHANICSCO LTD...

Page 199: ...1 5pF0 25PF50VNP0 55TO 125C1005R TP TDKKOREACOOPERATION 6 C105 C112 C118 C119 C141 C144 C145 C148 C157 C159 C160 C169 C170 C174 C199 C214 C220 C221 C250 L122 L 126 L137 Capacitor Ceramic Chip ECZH0000830 C1005C0G1H330JT000F33pF5 50VNP0 55TO 125C1005R TP TDKKOREACOOPERATION 6 L138 Capacitor Ceramic Chip ECZH0000839 C1005C0G1H4R7CT000F4 7pF0 25PF50VNP0 55TO 125C1005R TP TDKKOREACOOPERATION 6 C111 C2...

Page 200: ...N2S022 2NH0 3NH 300mA0 12OHM6KHZ8SHIELD11 0X0 5X0 55MMR TPMUR ATAMANUFACTURINGCO LTD 6 L105 L112 Inductor Multilayer Chip ELCH0003847 LQG15HS1N8S02LQG15HS1N8S02 1 8nH S 1005 R TP chi pcoilMURATAMANUFACTURINGCO LTD 6 C235 L127 L 128 Inductor Multilayer Chip ELCH0004704 1005GC2T4N7S004 7NH5 0V300mA0 23OHM3 5GHZ8NO NSHIELD11 0X0 5X0 5MMR TPPILKORELECTRONICSLTD 6 L139 Inductor Multilayer Chip ELCH0004...

Page 201: ...SMDR TP1M PanasonicCorporation 6 CN601 Connector BtoB ENBY0056901 24 5804 024 000 829 24P0 40MMSTRAIGHTFEMALESMDR TP900mM KYOCERAELCOKOREASALESCO LTD 6 CN504 Connector I O ENEY0003801 24 8000 002 000 8292P1 00MMANGLESOCKETTYPESMDR TP KYOCERAELCOKOREASALESCO LTD 6 SW101 connector RF ENWY0003901 U FL R SMT 10 U FL R SMT 10 SMD dB HIROSEKOREACO LTD 6 SW102 Connector RF ENWY0008701 MS 156CNONESTRAIGHT...

Page 202: ...ctorKOREACORPORATION 6 R106 Resistor Chip ERHZ0000410 MCR01MZP5J12012OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 6 R110 R118 Resistor Chip ERHZ0000415 MCR01MZP5J131130OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 6 R506 Resistor Chip ERHZ0000463 MCR01MZP5J33033OHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 6 R117 Resistor Chip ERHZ0000483 MCR01MZP5J47047OHM5 1 16W1005R TP ROH...

Page 203: ... VA508 VA50 9 Varistor SEVY0004301 ICVL0518100Y500FR18V0 10F1 0 0 5 0 55NONESMDR T PINNOCHIPSTECHNOLOGY 6 VA601 VA60 2 VA603 VA 604 VA605 V A606 Varistor SEVY0007902 ICVS0305500FRICVS0305500FR 5 6V M SMD 0603SIZEIN NOCHIPSTECHNOLOGY 6 FB101 FB501 R119 R127 Filter Bead SFBH0000909 HB 1M1005 600JT60ohm1 0 0 5 0 5SMDR TP2PCERATECHCORPORA TION 6 FB601 Filter Bead SFBH0002302 BLM18PG121SN1J120ohm1 6x0 ...

Page 204: ...2V 4 2V 35dBcat28 6dBm2nd 28 6dBm 595mA 1 SMD R TP 10SKYW ORKSSOLUTIONSINC 6 U104 RFModule SMRH0006201 SKY77544MHz MHz POLAEDGEQUADTXMODULE SP9T 6 0 6 0 1 0 28p SKYWORKSSOLUTIONSINC 6 BAT401 CapacitorAssembly SMZY0023501 PAS311HR VG13 8BackupCapacitor0 03F ModuleAssembly KOREATAIY OYUDEN CO LTD 6 U105 IC RFAmplifier SMZY0025501 RF28153 3 2 1 1 0 FILTER GPSLNA FILTERMODULE GP S RFMICRODEVICESINC 6 ...

Page 205: ...CORPORATION 7 C703 C715 C807 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K1uF10 6 3VX5R 55TO 85C1005R TP MURATAMANUFACTURINGCO LTD 7 C742 Capacitor Ceramic Chip ECCH0005603 GRM188R61A225K2 2uF10 10VX5R 55TO 85C1608R TP MURATAMANUFACTURINGCO LTD 7 C714 Capacitor Ceramic Chip ECCH0007803 CL10A106MP8NNNC10uF20 10VX5R 55TO 85C1608R TP0 8MMSAMSUNGELECTRO MECHANICSCO LTD 7 C707 C709 C710 C712 C745 C...

Page 206: ...ket ENSY0024301 KP09N 6S 2 54SFSIM6PANGLESMDR TP HIROSEKOREACO LTD 7 Q801 FET EQFP0004501 SI1305 E3P CHANNELMOSFET 8V 8 0 92A0 28OHM340mWSOT323R TP9PVISHAYINTERTECH NOLOGYASIAPTELTD 7 R806 Resistor Chip ERHY0000105 MCR01MZP5F51R051OHM1 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 7 R723 Resistor Chip ERHY0000241 MCR01MZP5J1021KOHM5 1 16W1005R TP ROHMSemiconductorKOREACORPORATION 7 R822 Resistor...

Page 207: ...E0VTO0V12 0x16 0x1 2TR169 PMLCNANDBGA TOSHIBAELECTRONICSKOREACORPORATION 7 X701 Oscillator TCXO EXST0001901 TG 5010LH 87N26MHZ2 5PPM2 8V32 0x25 0x10 0MM SMDR TPEPSONTOYOCOMCORP 7 VA701 VA702 VA805 VA806 Varistor SEVY0001001 EVLC14S0205014V0 50F1 0 0 5 0 6NONESMDR TPAMOT ECHCO LTD 7 VA801 VA802 VA803 Varistor SEVY0005201 EVLC5S020505 5V0 50F1 0 0 5 0 6 SMDR TPAMOTECHCO LTD 7 FB701 FB702 Filter Bead...

Page 208: ...x44 15x6 7B LACKExtend TOCADDONGHWA 2 EBX000000 Accessory DataCable SGDY0017902 LG0038 1 2M BLACK ningbobroadtelecommunicationco ltd 2 EAB010200 Earphone Stereo SGEY0007610 HC MYD LG1043mW16OHM99DB65HZTO112HZ1 13MBLACK3 5LT YPESTEREO4POLEPLUG I SOUNDCO LTD 2 EAY060000 Adapters SSAD0034701 STA U13ER90Vac 264Vac5 1V1A5060CENONENONE SUNLINELECTRONICSCO LTD 2 EAY060000 Adapters S SSAD0034702 STA U13EV...

Search results

Summary of Contents for E900

Reviews:

Related manuals for E900

Brands by name

Popular brands

LG E900, Service Manual

Search results

Summary of Contents for E900

Reviews:

Related manuals for E900

Brands by name

Popular brands