LG LG-T515 Service Manual Download Page 94

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LGE Internal Use Only

Only for training and service purposes

4. TROUBLE SHOOTING

TEST POINT

4.9 Speaker / Receiver Trouble

M501

TP01:C508

TP04:C537

TP0:C509 TP03:C536

CN1

Receiver contact

TP07:L505 TP08:L504

U201

BB chip

CN501

Speaker contact

TP05:C55

TP06:C55

Summary of Contents for LG-T515

Page 1: ...Internal Use Only Service Manual LG T515 Date July 2011 Issue 1 0 ...

Page 2: ...rouble 76 4 5 ChargingTrouble 79 4 6VibratorTrouble 81 4 7 LCDTrouble 84 4 8 CameraTrouble 89 4 9 Speaker ReceiverTrouble 94 4 10 EarphoneTrouble 98 4 11 MicrophoneTrouble 102 4 12 SIM Card InterfaceTrouble 105 4 13 Micro SD uSD Trouble 110 4 14 BluetoothTrouble 112 4 15WifiTrouble 115 4 16 FM RadioTrouble 118 4 17Touch trouble 121 5 DOWNLOAD 124 6 Repair Guide 137 6 1 Disassemble Main Board 137 6...

Page 3: ...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 telephone service until repair can be done A telephone...

Page 4: ...ation Phone may interfere with sensitive laboratory equipment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exch...

Page 5: ...iate 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 watt dBm Digital Communication System DCS Digital to...

Page 6: ... 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 Public Switched Telephone Network PSTN Phase Loc...

Page 7: ...GSM Tx Level 7 Charging time Approx 3hours RX Sensitivity GSM EGSM 108dBm DCS 108dBm TX output power GSM850 32 3dBm EGSM 32 8dBm Level 5 DCS PCS 29 8dBm Level 0 SIM card type 3V 1 8V Display MAIN 2 8 TFT 240 Ý 320 pixel 262K Color Status Indicator Send Key End Key Cancel Key Volume Up Down Key PWR Lock Key ANT Internal EAR Phone Jack Yes 3 5Ȱ PC Synchronization Yes Speech coding EFR FR HR Data and...

Page 8: ...ed Only for training and service purposes 2 PERFORMANCE Travel Adapter Yes Speaker Receiver 18x12Ȱ Speaker Receiver MIDI SW MIDI Mono SPK Item Feature Comment Camera 2 0M FF Bluetooth FM Radio Bluetooth version 2 1 Wired FM radio Earphone needed 18x12Ȱ Speaker 1107 Receiver ...

Page 9: ... Phase Error RMS 5 degrees Peak 20 degrees 3 Frequency Error 0 1 ppm 4 Power Level Level Power Toler Level Power Toler 6 31dBm 3dB 14 15dBm 3dB 7 29dBm 3dB 15 13dBm 3dB 8 27dBm 3dB 16 11dBm 5dB 9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 12 19dBm 3dB GSM850 EGSM 5 33dBm 2dB 13 17dBm 3dB Level Power Toler Level Power Toler 1 28dBm 3dB 9 12dBm 4dB 2 26dBm 3dB 10 10dBm 4...

Page 10: ...Bc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 GSM850 EGSM Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 DCS PCS 6 Output RF Spectrum due to switching transient GSM850 EGSM Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21 1 800 24 Item Description Specificatio...

Page 11: ... transient Offset from Carrier kHz Max dBm 400 22 600 24 1 200 24 1 800 27 7 Spurious Emissions Conduction Emission Status 8 Bit Error Ratio GSM850 EGSM BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 12 3 dB 11 Sending Response 300 12 1 000 6 2 000 6 3 000 6 Frequency Hz Max dB Min dB 100 200 4 000 3 400 9 0 0 4 4 12 0 0 4 12 RLR 4 3 dB DCS PCS...

Page 12: ... 12 0 2 2 14 STMR 17 dB Mean that Adopt a straight line in between 300 Hz and 1 000 Hz to be Max level in the range 15 Stability Margin 6 dB 20 10 0 7 dB to ARL dB Level Ratio dB 35 30 10 30 7 33 3 33 7 31 7 17 5 22 5 25 5 16 Distortion 17 Side Tone Distortion Three stage distortion 10 18 System frequency 13 MHz tolerance 2 5 ppm 19 32 768KHz tolerance 30 ppm 20 Ringer Volume At least 55 dBspl und...

Page 13: ...or 24 Low Voltage Warning Blinking Bar 10 5 2times standby Speaker 10 at every 1min call Receiver 25 Forced shut down Voltage 0 about 3 35V 27 Battery Type Lithium Ion Battery Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 950mAh 28 Travel Charger Switching mode charger Input 100 240V 50 60 Hz Output 4 8V 400mA 94 26 Sustain RTC without battery Over 2 hours 10 2 7 7 5 5 4 Over 9...

Page 14: ... Stereo Headset Earpiece Charge Pump negative voltage for bipolar audio out VMMC VANA LPMU VUSB LAUX Charge DC DC Buck Vibrator 64 bit bus 32 bit bus IF GMSK DAC SD PLL FEM 32 kHz XO DSP ADC PA c s i M Low Power DCXO RF PMU USB 2 0 FS CIF DCC Keypad 4k 7 0 15 5 1 8V 2 5V VCHARGE 4 5 V 20V 2 T A B V N E S N E S P E S N E S S C C S B G H C D D V T N H S V BC 847 S 1 2 6 4 5 3 for example ZXTP 25020 ...

Page 15: ... Additional buffer for 2 external system clocks Fully digital RF Synthesizer incl ȭȟ Transmitter 3 1 3 Baseband DSP 156 MHz TeakLite MCU ARM1176 208 MHz MCU RAM 3 00Mbit Memory I F 1 Gbit NOR flash OneNAND flash SDR SDRAM 4 Gbit NAND flash DDR SDRAM Modem GPRS class 12 RX TX CS1 CS4 EGPRS class 12 RX MCS1 MCS9 TX MCS1 MCS4 Cipher Units A51 2 3 GEA 1 2 3 Security OMTP TR0 Secure Boot RSA ROM SHA 1 ...

Page 16: ...card interface with 1 or 4 data lines 3 1 5 Connectivity 3xUSIF configurable either as SPI or UART I2C I2S Interfaces 1 8V Direct U SIM 1 8 3V USB2 0 up to 480 Mbit s High Speed w external USB Phy over ULPI interface Stereo Headset Amplifier integrated 3 external analog measurement PIN s Bluetooth 3 1 6 Mixed Signal Improved audio performance Loudspeaker Audio Class D Amplifier 700 mW 8 ȳ mon for ...

Page 17: ...pliant Backlight Up to 4 serial white LEDs integrated LDO 3 1 9 Main LCD Display Type 240 320 QVGA 262k color parallel Interface Parallel 8 9bit MIPI DBI Type B Serial MIPI DBI Type C Interf voltage at 1 8V or 2 8V gRacr Display Controller Hardware 30 fps Display update without DMA up to 60 fps full or partial Video post processing Scaling Rotation 90 steps Mirroring Overlay with alpha blending Co...

Page 18: ...rvice purposes 3 TECHNICAL BRIEF 3 1 11 Video Capabilities Video Decoding MPEG 4 H 263 QCIF 30 fps QVGA 15fps Video Encoding MPEG 4 H 263 QCIF 15 fps 3 1 12 Audio Capabilities Polyphonic ring tones 64 voices MIDI SP MIDI FM synthesizer AMR WB True ring tones MP3 MP3 eAAC G 722 SB ADPCM encoding decoding ...

Page 19: ...er for a typical standard phone Figure 3 2 1 Block Figure of the PMU Modules X Gold tm 215 DC DC Step Down Converter for 1 8V SD1 The DC DC converter generates a 1 8V supply rail This voltage rail is used to supply main parts of the system like the digital core of the chip via LDO LCORE some parts of the mixed signal macro parts of the RF macro and the external memory if a 1 8V memory is used The ...

Page 20: ...nd analog parts like ADC sense amplifier etc LUSB The LUSB LDO generates the supply for the USB transceiver output driver and input If no USB interface is required LUSB can be used as general purpose LDO LAUX The LAUX generates VAUX It is a general purpose LDO and can be used for different functions depending on the phone application e g for the display or Camera LMMC The LMMC generates VMMC It is...

Page 22: ...iven by the PMU state machine can be seen in Figure18 After enabling the reference HPGB and waiting for the settling time the battery voltage is measured and compared with the power on threshold If the battery voltage is high enough the SD1 DC DC converter and the LCORE LDO are started A timer ensures that the supply voltage will be stable before the DCXO is enabled The DCXO settling time is ensur...

Page 23: ... 23 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 2 1 First Part of the State Machine Running in Different Power Domains than the Second Part ...

Page 24: ...E Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF Figure 3 2 2 Second Main Part of the Startup State Machine in the VPMU Domain ...

Page 25: ...switched on 3 2 5 Switching on due to charging When a battery with a voltage below the SSONLEV level is inserted the state machine will not start the system As long as the battery voltage stays lover than SYSONLEV the system will stay off The only possibility to start up the system is due to an external charger If an external charger is connected and detected and the battery is charged above the S...

Page 26: ... ups a staggered turn on approach for the regulators is implemented The regulators are turned on in a well defined sequence thus spreading the in rush current transients over time The IO s of X GOLD TM 215 are isolated in OFF mode core supply is off The isolation signal is controlled by the PMU state machine This ensures that the PADs are in a well defined state during core supply settling This al...

Page 27: ...3 TECHNICAL BRIEF 27 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 2 3 Start Up Sequence triggered by First Connect Event ...

Page 28: ...gnal controls for example the ɆC subsystem and releases reset for the controller During normal start up the PMU releases the reset_pmu_n_o signal after entering the SYSTEM ON state At this time the resetout_o signal is high the RESET_N pad is not pulled low and therefore the reset_postscu_n_o signal follows the reset_pmu_n_o signal That means the ɆC reset will be released and the ɆC starts operati...

Page 29: ... the PMU enables the DCXO After the system is running the DCXO is controlled by the SCU of the baseband by using the vcxo_enable signal This is handled by a dedicated logic in the PMU see Figure 21 As long as rf_sysclk_en_pmu the output of the PMU state machine is high vcxo_enable controls the rf_sysclk_en signal to the RF If rf_sysclk_en_pmu is low the DXCO is switched off independent from vcxo_e...

Page 30: ...s Routed in the PMU 3 2 11 PMU Clock During the first startup for example plugging in a battery a PMU internal oscillator is used for generation of the PMU clock pmu_clock The frequency is slightly above 32 kHz typ 50 kHz to be out of the audio band also for worst case devices After first startup the software shall enable the 32 kHz crystal oscillator It is not possible to use the 32 kHz oscillato...

Page 31: ...ble 3 2 13 DC DC Pre Load Register Handling The DC DC converter works in different modes If the mode is switched from PFM to PWM the pulse width of the DC DC converter depends on the current battery voltage and on the output voltage The PMU state machine knows the battery voltage because of the battery supervision function Depending on this value it selects a startup pulse width for the DC DC conv...

Page 32: ...ntrol technology pHEMT switch technology and integrated transmit filtering for best in class harmonic performance The device is designed for use as the final portion of the transmitter section in a GSM850 EGSM900 DCS1800 PCS1900 handset and eliminates the need for a PA to antenna switch module matching network The RF7171 features RFMD s latest integrated power flattening circuit which significantl...

Page 33: ...p R102 100 6 1 1 L 6 8n C120 3 3p 12n L114 VBAT L113 6 8n L111 6 8n 3 6n L110 C110 1n C102 33p C103 22u C109 1n 2 1 1 L 6 8n DNI L115 C119 33p U101 12 1 1 0 1 9 8 7 13 6 14 5 15 4 16 3 17 2 8 1 1 9 1 0 2 1 2 2 2 3 2 G U L S _ D N G P M A R V E L B A N E _ X T 0 L R T C P G 1 L R T C P G GND1 T T A B V GND2 NC3 RFIN_LB GND9 GND3 GND8 RFIN_HB ANT GND4 NC2 5 D N G 6 D N G 7 D N G 1 C N 0 X R RX1 C111...

Page 34: ...ve some digital predistortion of the AFC word is required This predistortion is performed by the linearization unit for crystal oscillator LUXO The LUXO calculates the corresponding DIG value according to the given AFC value Figure 3 4 1 Crystal Oscillator External Connection The X GOLDTM215 RF Subsystem contains a fully integrated 26 MHz digitally controlled crystal oscillator designed for 8 pF c...

Page 35: ...lock DIAGRAM of RF Subsystem Multi Modulus Divider TDC L z 2 4 SER RF Subsystem Integrated 3 8GHz DCO 26 MHz TX1 850 900MHz TX2 1800 1900MHz CTRLEN CTRLDA CTRLCLK SYSCLK_EN FSYS1 FSYS2 VRAMP VDET XOX XO t r a P B B U M P Ramp DAC DigRF 3 Wire Bus ADC 4 2 RXTXEN RXTXDA PAEN PABS FE1 FE2 PAR D M M D D V C D T D D V 1 3V LPF LPF RX12 RX12X 850 900MHz RX34 RX34X 1800 1900MHz DCOC DCOC ADC ADC S M D D ...

Page 36: ...requency dividers by 2 4 the LO frequency is derived from the RF frequency synthesizer The receive path is fully differential to suppress the on chip interferences and reduce DC offsets The analog chain of the receiver contains two LNAs low high band a quadrature mixer followed by an analog baseband filter and 14 bit continuous time delta sigma analog to digital converter The filtered and digitize...

Page 37: ...ion allows a very low power design without any external components Up and down ramping is performed via the ramping DAC connected to VRAMP RF synthesizer The RF subsystem contains a fractional N sigma delta synthesizer for the frequency synthesis Respective to the chosen band of operation the phase locked loop PLL operates at twice or forth of the target signal frequency In receive operation mode ...

Page 38: ... control of antenna switch modules enable to select RX and TX mode as well as low and high band operation An extra band select signal PABS for the power amplifier is used to support discrete PA and switching modules Time accurate power dissipation of the PA is achieved by the control signal PAEN A minor set of power amplifiers require a bias voltage to enhance power efficiency Support of this powe...

Page 39: ...vice purposes Figure 3 5 5 POWER SUPPLY BLOCK DIAGRAM 3 5 2 4 Power Supply To increase power efficiency most parts of the RF subsystem are supplied by the DCDC converter situated in the PMU subsystem Conversion of the 1 8 V output voltage of the DCDC to the 1 3 V 1 4 V circuit supply voltages is achieved by several Low DropOut regulators LDO One embedded direct to battery LDO provides the 2 5 V su...

Page 40: ...ontains 2048 blocks composed by 64 pages Memory array is split into 2 planes each of them consisting of 1024 blocks Like all other 2KB page NAND Flash devices a program operation allows to write the 2112 byte page in typical 250us and an erase operation can be performed in typical 3 5ms on a 128K byte block In addition to this thanks to multi plane architecture it is possible to program 2 pages at...

Page 41: ...lock erase time 3 5 ms Typ Multi block erase time 2 blocks 3 5ms Typ SEQURITY OTP area Sreial number unique ID Hardware program erase disabled during power transition ADDITIONAL FEATURE Multiplane Architecture Array is split into two independent planes Parallel operations on both planes are available having program and erase time Single and multiplane copy back program with auto matic EDC error de...

Page 42: ...ransfer per clock cycle x16 bus width Supply Voltage VDD VDDQ 1 7 1 95 V Memory Cell Array 16Mb x 4Bank x 16 I O Bidirectional data strobe DQS Input data mask signal DQM Input Clock Differential Clock Inputs CK CK MRS EMRS JEDEC Standard guaranteed CAS Latency Programmable CAS latency 2 or 3 supported Burst Length Programmable burst length 2 4 8 with both sequential and interleave mode ...

Page 43: ...ransceiver that has been optimized for use in 2 4GHz Bluetooth Wireless systems It has been designed to provide low power robust communications for applications Operating in the globally available 2 4GHz unlicensed ISM band It is fully compliant with the Bluetooth Radio Specification and enhanced data rate specification and meets or exceed the requirement to provide the highest communication link ...

Page 44: ...some integrated filtering no External filters are requires for meeting Bluetooth and regulatory harmonic and spurious requirements For integrated mobile handset applications where Bluetooth is integrated next to the celluar radio minimal external filtering can be applied to achieve near thermal noise levels for spurious and radiated noise emissions Using a highly linearized temperature compensated...

Page 45: ...MM215 checks status Periodically During established call mode whether SIM card is inserted or not but it doesn t check during deep sleep mode In order to communicate with SIM card 3 signals SIM_DATA SIM_CLK SIM_RST_N And This model supports 1 8 3V SIM Card 22p C325 J301 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C314 22p C316 DNI 0 1u C315 2V85_VSIM 2V85_VSIM R307...

Page 46: ...40 RGB 320 resolution Each pixel is divided into R G B dots which are arranged in vertical stripes Gray scale or the brightness of the dots Color is determined with a 6 bit gray scale signal for each dot thus presenting a palette of More than 262 144 colors VBAT 2 2u C603 R601 100K R610 DNI VPA_2V85 VDD_IO_1V8 CN601 21 20 22 19 23 18 24 17 25 16 26 15 27 14 28 13 29 12 30 11 31 10 32 9 33 8 34 7 3...

Page 47: ...ss control Users can easily configure up to 64 steps of LED current via the I2C interface control The RT9396 also comprises low noise low dropout regulators which provide up to 200mA of current for each of the four channels The four LDOs deliver 3 output accuracy and low dropout voltage of 200mV 200mA Users can easily configure LDO output voltage via the I2C interface control The LDOs also provide...

Page 48: ...ent each LDO channel respectively where a 1 indicates selected and a 0 means not selected The B0 bit controls on off 1 0 mode for the selected LDO channel s Then in the third word bite C0 to C3 control a 16 step setting of LDO1 to LDO4 The voltage values are listed in Table 1 For LED dimming there are three operating modes Backlight I Backlight II and Backlight III to select from by writing respec...

Page 49: ...external components and integrates the Power FET Charging is thermally regulated to obtain the most efficient charging rate for a given ambient temperature It has Over Voltage Protection OVP circuit at the charger input protects the PMU from input voltage up to 28V eliminating the need for and external protection circuitry An Over voltage protected LDO which can supply up to 50mA is designed for p...

Page 50: ...umber of 72 keys to by identified by the Keypad Interface Controller The Keypad Scan Module reduces the number of interrupts and polling through the processor and therefore reduces the power consumption The module is able to debounce and scan the external keypad matrix automatically without any software intervention After debouncing it generates an interrupt The interface controller contains infor...

Page 51: ...3 TECHNICAL BRIEF 51 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 11 3 Block Diagram and System Integration of the KPD ...

Page 52: ...sequently It features a high quality stereo digital to analog path with amplifier stages for connecting acoustic transducers to X GOLD 215 In audio in path the supply voltage generation for electret microphones a low noise amplifier and analog to digital conversion are integrated in X GOLD 215 A more detailed functional description will be given in the following sections The audio front end itself...

Page 53: ...modified by certain control register settings Due to the new gain settings in the TX path the maximum input voltage is limited to 0 8 Vpp In both voiceband paths the value range for voice samples is confined to 97 5 i e to 31948 31947 or 8334H 7CCBH in X GOLD 215 On the TX path 83 1 s on the VTPDM line correspond to a 16 bit value of 7CCBH and 17 1 s correspond to a 16 bit value of 8334H at the di...

Page 54: ...iscrimination in the audio frequency band 20 Hz 20 kHz has to be ensured Decimation Filter The digital decimation filter on X GOLD 215 has two operating modes 8 kHz output sampling rate and 16 kHz output sampling rate or 16 kHz output sample rate and 16kHz bandwidth in case of doubled ASMD clock 3 12 3 Analog Part The analog part of the X GOLD 215 audio front end in audio out direction consists of...

Page 55: ...n work unipolar mode where an AC coupling of the headset might be needed or can work also in bipolor mode The differential loudspeaker driver can be used to drive a 8 ȳ loudspeaker As it is a class D amplifier the needed suppression of the higher harmonics of the switching signals has to be achieved by the external circuitry The buffers are designed to be short circuit protected Figure 3 12 3 Swit...

Page 56: ...following pre filter with gain control a second order ȭȟ converter and a digital decimation filter It supports both standard GSM bandwidth 3 5 kHz and wideband bandwidth 7 kHz speech bands The differential input signal from the microphone first passes a low noise amplifier and following pre filter and an anti aliasing pre filtering stage achieving and overall variable gain ranging from 0 dB to 39 ...

Page 57: ...IC has a ultra low power mode where the current consumption is minimum whilst at the same time the noise performance is reduced For this purpose the VUMIC is directly supplied out of the VMIC regulator the Mic Buffer can be switched off and only the quiescent current of the VMIC regulator is present This mode can be used to supply a headset and allow accessory detection with highly reduced current...

Page 58: ... YCbCr processing Scaling is used for downsizing the sensor data for either displaying them on the LCD or for generating data streams for MPEG 4 compression In general YCbCr 4 2 2 JPEG compressed images should use the full sensor resolution but they can also be downscaled to a lower resolution for smaller JPEG files Scaling also can be used for digital zoom effects because the scalers are capable ...

Page 59: ...tinuous resize support Frame skip support for video e g MPEG 4 encoding Macro block line frame end capture error data loss interrupts and sync h_start v_start interrupts Programmable polarity for synchronization signals Luminance chrominance and chrominance blue red swapping for YUV input signals Maximum input resolution of 3 Mpixels 2048x1536 pixels Main scaler with pixel accurate up and down sca...

Page 60: ...odule U602 EBP61321701 8 2 7 2 6 2 5 2 8 1 7 1 6 1 5 1 4 1 3 1 12 24 11 23 10 22 9 21 8 20 7 19 6 5 4 3 2 1 3 D 4 D 5 D 6 D 7 D D N G D VSYNC MCLK PCLK GND1 GND4 RESET D0 SDA D1 SCL D2 STANDBY V 8 _ 1 D D V D V 8 _ 2 D D V O I 2 D N G V 8 _ 2 D D V A 3 D N G C N Y S H 1 D N G P 2 D N G P 3 D N G P 4 D N G P CAM_HSYNC CAM_PCLK CAM_VSYNC CAM_MCLK CAM_F_DATA 6 CAM_F_DATA 5 CAM_F_DATA 4 CAM_F_DATA 3 C...

Page 61: ...ace Figure 3 14 Touch Driver Block Diagram The SX8650 is designed for 4 wire resistive touch screen applications The touch screen or touch panel is the resistive sensor and can be activated by either a finger or stylus The touch screen coordinates and touch pressure are converted into I2C format by the SX8650 for transfer to the host The SX8650 s channel pins X X Y Y directly connect to standard t...

Page 62: ...nd service purposes 3 TECHNICAL BRIEF 0 2 4 R 47K 9 1 4 R 47K U402 B2 D1 C3 A2 D3 C2 A3 D2 B3 A1 C1 B1 NIRQ SDA AUX Y GND X NRST Y VDD X SCL A0 VDD_IO_1V8 0 1u C414 I2C_SDA I2C_SCL Y Y X X TOUCH_INT TOUCH_RST Figure 3 15 2 Touch Driver Block ZD405 ZD404 ZD403 ZD402 CN405 4 3 2 1 Y Y X X ENZY0020701 ...

Page 63: ...r training and service purposes 4 TROUBLE SHOOTING 4 1 RF Component U301 Memory 2G NAND 1G SDRAM H9DA2GH1GHMMMR 46M U201 Main Chip A GOLD RADIO NAND PMB8815 U101 GPRS QUAD TX DUAL RX MODULE RF7171 X201 Crystal 26MHz Clock TSX 3225 SW101 RF Switch MS 156C U201 U301 X201 U101 SW101 U301 U201 X201 U101 SW101 ...

Page 64: ...and service purposes 4 TROUBLE SHOOTING 4 2 RX Trouble CHECKING FLOW START Re download SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 2 Check Mobile SW TX module 3 Check PLL Control ...

Page 65: ...2011 LG Electronics Inc All right reserved Only for training and service purposes 1 Checking Crystal Circuit TEST POINT CHECKING FLOW 26 MHz O K No Crystal is OK See next page to check PLL Circuit Yes Replace X201 X102 TP1_1 pin 26MHz X201 TP1_1 pin 26MHz ...

Page 66: ...SIM 0 1u C224 E1 G4 G5 F2 F3 F1 D2 D1 E2 M10 A13 B13 K14 K13 B4 A5 B5 A4 USIF1_TXD_MTSR USIF1_RXD_MRST USIF1_RTS_N USIF1_CTS_N DPLUS DMINUS XOX XO VSIM SIM_IO SIM_CLK SIM_RST MMCI_CMD MMCI_DAT_0 MMCI_CLK MMCI_DAT_1 MMCI_DAT_2 MMCI_DAT_3 USB_DP USB_DM UART_TX SIM_DATA SIM_CLK MSD_CLK MSD_D 1 MSD_D 0 MSD_CMD MSD_D 3 MSD_D 2 BT_UART_TX BT_UART_RX UART_RX SIM_RST_N Connect GND plane directly Close to ...

Page 67: ... 67 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 2 Checking Mobile SW TX Module U101 SW101 TX Ramp TX EN ANT_SEL 0 ANT_SEL 1 TP4 TP1 TP3 TP2 ...

Page 68: ... 1 L 6 8n C120 3 3p 12n L114 VBAT L113 6 8n L111 6 8n 3 6n L110 C110 1n C102 33p C103 22u C109 1n 2 1 1 L 6 8n DNI L115 C119 33p U101 12 1 1 0 1 9 8 7 13 6 14 5 15 4 16 3 17 2 8 1 1 9 1 0 2 1 2 2 2 3 2 G U L S _ D N G P M A R V E L B A N E _ X T 0 L R T C P G 1 L R T C P G GND1 T T A B V GND2 NC3 RFIN_LB GND9 GND3 GND8 RFIN_HB ANT GND4 NC2 5 D N G 6 D N G 7 D N G 1 C N 0 X R RX1 C111 39p C123 100p...

Page 69: ...raining and service purposes CHECKING FLOW Check TP1 of SW101 TP1 Signal is OK Replace Mobile SW SW101 Yes No Yes Mobile SW TX Module is OK Check PMB8815 U201 Control Signal is GpCtrl1 GpCtrl0 Tx Enable OK No Yes Check TP4 of U101 Replace TX Module U101 TP2 High Band TP3 Low Band Signal is OK No Yes EGSM Rx ...

Page 70: ...and service purposes 4 TROUBLE SHOOTING 4 3 TX Trouble CHECKING FLOW START Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 2 Check Mobile SW TX Module 3 Check PLL Control ...

Page 71: ...2011 LG Electronics Inc All right reserved Only for training and service purposes 1 Checking Crystal Circuit TEST POINT CHECKING FLOW 26 MHz O K No Crystal is OK See next page to check PLL Circuit Yes Replace X201 X102 TP1_1 pin 26MHz X201 TP1_1 pin 26MHz ...

Page 72: ...SIM 0 1u C224 E1 G4 G5 F2 F3 F1 D2 D1 E2 M10 A13 B13 K14 K13 B4 A5 B5 A4 USIF1_TXD_MTSR USIF1_RXD_MRST USIF1_RTS_N USIF1_CTS_N DPLUS DMINUS XOX XO VSIM SIM_IO SIM_CLK SIM_RST MMCI_CMD MMCI_DAT_0 MMCI_CLK MMCI_DAT_1 MMCI_DAT_2 MMCI_DAT_3 USB_DP USB_DM UART_TX SIM_DATA SIM_CLK MSD_CLK MSD_D 1 MSD_D 0 MSD_CMD MSD_D 3 MSD_D 2 BT_UART_TX BT_UART_RX UART_RX SIM_RST_N Connect GND plane directly Close to ...

Page 73: ... 73 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 2 Checking Mobile SW TX Module U101 SW101 TX Ramp TX EN ANT_SEL 0 ANT_SEL 1 TP4 TP1 TP3 TP2 ...

Page 74: ... 1 L 6 8n C120 3 3p 12n L114 VBAT L113 6 8n L111 6 8n 3 6n L110 C110 1n C102 33p C103 22u C109 1n 2 1 1 L 6 8n DNI L115 C119 33p U101 12 1 1 0 1 9 8 7 13 6 14 5 15 4 16 3 17 2 8 1 1 9 1 0 2 1 2 2 2 3 2 G U L S _ D N G P M A R V E L B A N E _ X T 0 L R T C P G 1 L R T C P G GND1 T T A B V GND2 NC3 RFIN_LB GND9 GND3 GND8 RFIN_HB ANT GND4 NC2 5 D N G 6 D N G 7 D N G 1 C N 0 X R RX1 C111 39p C123 100p...

Page 75: ...e purposes CHECKING FLOW EGSM Tx Check TP2 TP3 Mobile SW TX Module is OK Yes SW101 signal same as TP1 Replace SW101 No Yes Replace PMB8815 U201 TP2 HighBand TP3 Low Band Signal is OK No Yes Check PMB8815 U201 No Yes Yes Check TP4 of U101 TP1 Signal is OK Replace TX Module U101 No Control Signal is GpCtrl1 GpCtrl0 Tx Enable OK ...

Page 76: ...11 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 4 Power On Trouble VMMC_2V85 TP9 VPA_2V85 TP8 VCORE TP10 VRF1 TP6 VPMU TP7 VDDTRX TP1 VDDTDC TP4 VDDRF2 TP2 VDDXO TP3 VDDMS TP5 ...

Page 77: ...8 VDD_IO_1V8 VBAT 10u C222 22u C221 R205 5 6K 3 9K R203 VDDXO VBAT L201 3 3u R204 100K VDDMS Q201 2 1 3 VCORE R202 470 VDD_IO_1V8 VDDTDC VDD_IO_1V8 VDD_IO_1V8 VDD_IO_1V8 8 K 7 T 8 R 9 M 6 T 8 M 8 L 2 1 L 7 1 C 7 1 F 2 1 H 5 1 G 1 1 M 9 L 4 1 F 0 1 P 4 1 E 6 1 G 8 1 R 4 1 B 3 1 E 5 1 H 4 1 G 5 1 A 2 1 J 5 1 F 6 1 F 7 1 P 6 1 P 0 1 G 0 1 K 7 R 1 1 J 1 1 H 0 1 F 3 A 1 1 T 2 1 P 8 H 6 P 6 F 9 K 1 1 G ...

Page 78: ...hange into high of POWERKEY Check the voltage of The LDO outputs at U201 Is the phone power on The phone will Properly operating Charge or Change Battery Check the contact of power key Or dome switch Replace U201 VCORE 1 2V VPMU 1 2V VDDMS 1 3V VAUX 2 85V VMMC 2 85V VDD_RF2 2 5V VDDXO 1 3V VDDTDC 1 3V VRF1 1 8V Does it work properly Replace the main board YES YES YES YES NO NO NO NO NO Replace U20...

Page 79: ...SB_CHG_IN R401 47K VDD_IO_1V8 VBAT 1u C401 10K R409 VDD_IO_1V8 FB403 1800 LP8727 U401 C5 D2 B5 D3 D1 E1 E2 E3 E5 E4 A1 C1 B1 A4 A5 A3 A2 D5 4 D 4 C 3 C 2 C 2 B 3 B 4 B L C S A D S T N I 1 D N G 2 D N G 3 D N G 4 D N G BATT2 DN DP U1 U2 AUD1 AUD2 MIC VBUS1 VBUS2 D D ID RES DSS EXPDET CAP BATT1 C412 1u 1u C411 R406 DNI R403 10 R404 10 USB_DP USB_DM UART_TX MUIC_ACC_ID UART_RX VUSB_LDO_4V9 I2C_SDA I2...

Page 80: ...CKING FLOW START Is I O Connector CN401 well soldered Check the voltage at TP01 Charging IC U401 5 1V YES YES Battery is charged YES Charging is properly operating NO NO NO Resolder the CN401 Pin 1 VBUS_USB The TA is out of order Change the TA Replace the main board Battery is charged NO Change the battery Charging is properly operating YES ...

Page 81: ...4 TROUBLE SHOOTING 81 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Vibrator PAD VB401 TEST POINT 4 6 Vibrator Trouble TP1 ...

Page 82: ... T U O _ P K 5 T U O _ P K B I V B I V _ S S V 0 T U O K L C K 2 3 F K 2 3 C S O N _ T E S E R N I 2 T 0 K L C _ 1 S 2 I X R _ 1 S 2 I X T _ 1 S 2 I 0 A W _ 1 S 2 I CM315_12_5PF X202 32 768KHz 2 1 N _ T E D _ D S M S T R _ T R A U _ T B S T C _ T R A U _ T B T U O _ M C P _ T B N I _ M C P _ T B K 2 3 _ C T R S C _ I P S 3 T U O _ Y E K 2 T U O _ Y E K N _ T E S E R P _ B I V 56n L402 L401 56n C40...

Page 83: ...ervice purposes CHECKING FLOW SETTING Enter the engineering mode and set vibrator on at vibration of BB test menu START YES NO Replace vibrator YES Vibrator Working well Check the soldering of vibrator Resolder the Pad YES Replace the Pad NO Is the voltage at VB401 high Check the TP1 Is PWM Signal OK Replace U201 NO YES ...

Page 84: ... 84 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 7 LCD Trouble TP06 TP01 TP02 TP03 TP04 TP05 TP07 ...

Page 85: ...F_DATA 4 LCD_F_WR_N LCD_F_CS_N LCD_F_RS LCD_F_DATA 6 LCD_RST_N LCD_IFMODE LCD_MAKER_ID ENBY0036001 GB042 40S H10 E3000 15pF FL603 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 1 G 2 G FL601 15pF 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 1 G 2 G 15pF FL602 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOU...

Page 86: ...C610 1u 1u C609 C608 1u FM_LNA_EN VCAM_DIG_1V8 VCAM_ANA_2V8 2 2u C605 2 2u C611 C604 1u RT9396 U601 24 23 22 21 20 19 18 8 7 6 5 9 4 10 3 11 2 12 1 3 1 4 1 5 1 6 1 7 1 L C S A D S N E M W P F C D N G P LDO1 N 2 C LDO2 N 1 C LDO3 P 1 C LDO4 P 2 C AGND VIN LDOIN LED6 LED5 LED4 LED3 LED2 LED1 VOUT LCD_LED_CA5 LCD_LED_CA4 LCD_LED_CA3 LCD_LED_CA2 LCD_LED_CA1 LCD_PWM I2C_SDA I2C_SCL FM_LNA_EN LCD_BL_CTR...

Page 87: ...ternal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Waveform Graph 4 7 1 LCD Backlight Control Signal Waveform Graph 4 7 2 LCD Data Waveform LCD_BL_CTRL LCD_RS LCD_CS LCD_WR ...

Page 88: ...n of CN601 with LCD connector ok YES NO Reassemble LCD connector NO Check the Voltage Level of MLED1 TP01 05 are about Battery voltage LCD BL Ctrl TP07 signal is high Level NO YES YES Check the Waveform of EMI filter FL601 FL602 FL603 TP606 Resoldering or Replace U601 NO Resoldering EMI filter FL601 FL602 FL603 Does LCD work properly Replace LCD module LCD working well YES ...

Page 89: ...OUBLE SHOOTING 89 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 4 8 Camera Trouble TP06 TP05 TP04 TP09 TP08 TP07 TP01 TP03 TP02 ...

Page 90: ... N G V 8 _ 2 D D V A 3 D N G C N Y S H 1 D N G P 2 D N G P 3 D N G P 4 D N G P CAM_HSYNC CAM_PCLK CAM_VSYNC CAM_MCLK CAM_F_DATA 6 CAM_F_DATA 5 CAM_F_DATA 4 CAM_F_DATA 3 CAM_F_DATA 2 CAM_F_DATA 1 CAM_F_DATA 0 CAM_F_DATA 7 I2C_SDA I2C_SCL CAM_PWDN CAM_RST_N VCAM_IO_1V8 R606 100K DNI R603 R604 0 VBAT C602 1u 1u C601 C610 1u 1u C609 C608 1u FM_LNA_EN VCAM_DIG_1V8 VCAM_ANA_2V8 2 2u C605 2 2u C611 C604 ...

Page 91: ... A 1 A 1 1 R 7 A 7 B 0 1 C 0 1 B 0 1 A 0 1 D 0 K L C _ 1 S 2 I X R _ 1 S 2 I X T _ 1 S 2 I 0 A W _ 1 S 2 I L C S _ C 2 I A D S _ C 2 I F F O N O 1 C N 2 C N 3 C N 4 C N S F D D V BC1_n BC2_n BC3_n SDCLKO BFCLKO_0 BFCLKO_1 CKE ANAMON FSYS_EN EPN EPP HSL HSR LSN LSP MICN1 MICP1 MICN2 MICP2 VMIC VUMIC ACD AGND VREF HS_MIC_N PWRON HS_MIC_P MAIN_MIC_P DDR_DQS 1 DDR_DQS 0 DDR_DQM 1 S T R _ T R A U _ T B...

Page 92: ... training and service purposes 4 TROUBLE SHOOTING Waveform Graph 4 8 1 I2C Data Waveform Graph 4 8 2 MCLK Waveform Graph 4 8 3 CAM_VSYNC vs CAM_HSYNC Waveform Graph 4 8 4 CAM_HSYNC vs CAM_PCLK Waveform CAM_MCLK CAM_RESET I2C_DATA CAM_MCLK 26MHz 26MHz CAM_VSYNC CAM_HSYNC CAM_HSYNC CAM_PCLK ...

Page 93: ... TP04 2 8V and TP05 TP06 1 8V is right LED_PWM signal is high Level Does Camera work properly Check the Waveform of I2C_CLK TP07 I2C_DATA TP08 CAM_MCLK 26MHz Check the Waveform of Data pins on U602 START Camera working well NO YES YES Resoldering or Replace U601 NO Replace U201 or Change the board YES YES NO Replace U201 or Change the board NO Resoldering or Replace Camera Module ...

Page 94: ...c All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 9 Speaker Receiver Trouble M501 TP01 C508 TP04 C537 TP02 C509 TP03 C536 CN1 Receiver contact TP07 L505 TP08 L504 U201 BB chip CN501 Speaker contact TP05 C525 TP06 C525 ...

Page 95: ... 47p C234 C228 47p 47p C227 C226 DNI C225 DNI 1n C233 VMIC_BIAS_P C239 220n 2 2K R218 R217 2 2K VDD_IO_1V8 VAUD_HS_BIAS TP204 T12 P13 R12 P15 P14 T15 R15 T14 R14 N17 N18 T16 R16 M18 M17 K17 P11 P4 J4 T2 J5 G1 L4 J3 1 1 F 1 T 8 1 T 8 1 A 1 A 1 1 R 7 A 7 B 0 1 C 0 1 B 0 1 A 0 1 D 0 K L C _ 1 S 2 I X R _ 1 S 2 I X T _ 1 S 2 I 0 A W _ 1 S 2 I L C S _ C 2 I A D S _ C 2 I F F O N O 1 C N 2 C N 3 C N 4 C...

Page 96: ...ctronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING CIRCUIT CN501 2 1 VA506 VA507 ZD501 ZD502 100pF C525 SPK_P SPK_N 47pF C531 VA509 C532 47pF VA508 CN1 2 1 L505 0 1uH 0 1uH L504 RCV_P RCV_N TP05 TP06 TP07 TP08 ...

Page 97: ...ceiver Receiver Working well Check the Audio signal C507 C508 C539 C540 TP01 04 No Yes Change the U201 Replace Change Receiver Speaker No Check the Audio signal L506 L507 TP07 08 No Replace Change the M501 Yes Yes START Mp3 Check the state of contact of speaker Speaker Working well Yes Check the Audio signal L504 L505 TP05 06 Yes Yes No No No Check the Audio signal C507 C508 C539 C540 TP01 04 ...

Page 98: ... LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 10 Earphone Trouble M501 TP01 C536 TP02 C537 3 5pi Ear Mic Connector Headset MIC Resoldering points FB502 FB504 TP04 L503 TP03 L502 ...

Page 99: ... 47p C234 C228 47p 47p C227 C226 DNI C225 DNI 1n C233 VMIC_BIAS_P C239 220n 2 2K R218 R217 2 2K VDD_IO_1V8 VAUD_HS_BIAS TP204 T12 P13 R12 P15 P14 T15 R15 T14 R14 N17 N18 T16 R16 M18 M17 K17 P11 P4 J4 T2 J5 G1 L4 J3 1 1 F 1 T 8 1 T 8 1 A 1 A 1 1 R 7 A 7 B 0 1 C 0 1 B 0 1 A 0 1 D 0 K L C _ 1 S 2 I X R _ 1 S 2 I X T _ 1 S 2 I 0 A W _ 1 S 2 I L C S _ C 2 I A D S _ C 2 I F F O N O 1 C N 2 C N 3 C N 4 C...

Page 100: ...1800 FB503 120 L502 L501 100n 1 0 5 Q 2 3 1 G D S 6 8n C506 1M R501 DNI R505 10 FB501 120 L503 1800 FB507 C507 6 8n FM_ANT HS_OUT_R HS_OUT_L HS_GND HS_GND HS_JACK_DET HS_MIC TP04 VAUD_HS_BIAS 390p C522 VA512 VA513 VDD_IO_1V8 C518 22n R514 100K 1K R511 C519 39pF 10u C521 R512 47 C524 120p R508 1 5K C520 22n C523 390p R509 2 2K R513 220K 1M R510 U501 2 3 1 4 5 VCC VIN OUT VIN GND HS_MIC_N GND HS_MIC...

Page 101: ...ipment to echo mode Change the earphone and try again NO Can you hear the sound from the earphone Set the audio part of the test equipment to PRBS or Continuous wave mode YES YES Resolder J501 NO YES Can you hear the sound from the earphone NO Change the earphone and try again NO Can you hear your voice from the earphone NO Resolder FB501 FB502 FB508 FB509 C539 C540 Resolder FB504 R508 R509 C520 C...

Page 102: ... Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 11 Microphone Trouble M501 TP01 C232 TP02 R517 TP04 C236 TP03 C237 TP06 R520 TP05 R521 MIC201 ...

Page 103: ...04 T12 P13 R12 P15 P14 T15 R15 T14 R14 N17 N18 T16 R16 M18 M17 K17 P11 P4 J4 T2 J5 G1 L4 J3 1 1 F 1 T 8 1 T 8 1 A 1 A 1 1 R 7 A 7 B 0 1 C 0 1 B 0 1 A 0 1 D 0 K L C _ 1 S 2 I X R _ 1 S 2 I X T _ 1 S 2 I 0 A W _ 1 S 2 I L C S _ C 2 I A D S _ C 2 I F F O N O 1 C N 2 C N 3 C N 4 C N S F D D V BC1_n BC2_n BC3_n SDCLKO BFCLKO_0 BFCLKO_1 CKE ANAMON FSYS_EN EPN EPP HSL HSR LSN LSP MICN1 MICP1 MICN2 MICP2 ...

Page 104: ... DCS mode or GSM850 PCS mode CHECKING FLOW START NO YES Microphone will work properly YES Check the signal Level at each side of MIC501 Is it a few tens mV AC Check the soldering of R517 R518 TP05 06 Make a phone call then check C236 TP02 mic bias comes from U201 NO Change the microphone YES NO Re solder component 1 Check mic Bias signal line 2 Change the U201 Check microphone sound hole ...

Page 105: ...ING 105 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 4 12 SIM Card Interface Trouble U302 TP01 SIM Conn1 Pin 1 SIM Conn2 Pin 1 TP02 C310 ...

Page 106: ..._N USIF1_CTS_N DPLUS DMINUS XOX XO VSIM SIM_IO SIM_CLK SIM_RST MMCI_CMD MMCI_DAT_0 MMCI_CLK MMCI_DAT_1 MMCI_DAT_2 MMCI_DAT_3 USB_DP USB_DM UART_TX SIM_DATA SIM_CLK MSD_CLK MSD_D 1 MSD_D 0 MSD_CMD MSD_D 3 MSD_D 2 BT_UART_TX BT_UART_RX UART_RX SIM_RST_N Connect GND plane directly Close to the 26MHz XTAL U302 5 6 4 7 3 8 2 9 1 0 1 D N G 2B0 1B0 2S 1S 2A 1A 2B1 1B1 C C V C310 1u 2V85_VSIM K 0 1 8 0 3 ...

Page 107: ...C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C314 22p C316 DNI 0 1u C315 2V85_VSIM 2V85_VSIM R307 4 7K SIM_CLK SIM_DATA_1 SIM_RST_N CIRCUIT PIN 1 J302 C11 C10 C12 C9 C7 C3 C6 C2 C5 C1 VCC GND1 RST VPP CLK IO GND2 GND5 GND3 GND4 C317 22p C319 DNI 0 1u C318 2V85_VSIM 2V85_VSIM R314 4 7K SIM_CLK SIM_RST_2 SIM_DATA_2 PIN 1 ...

Page 108: ...hange the SIM Card This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin1 of J201 2 85V or 1 8V NO Change the U201 NO YES Resolder J301 YES Voltage output of VSIM LDO TP01 Is 2 85V Change the SIM Card And try again Does it work Properly YES SIM card is properly working redownload SW Does it work Properly NO Change the main board NO YES SIM card is properly working SIM_1 J301 START ...

Page 109: ...e the SIM Card This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin 1 of J302 2 85V or 1 8V NO Change the U201 NO YES Resolder J302 YES Voltage output of VSIM LDO TP01 TP02 Is 2 85V Change the SIM Card And try again Does it work Properly YES SIM card is properly working redownload SW Does it work Properly NO Change the main board NO YES SIM card is properly working SIM_2 J302 START ...

Page 110: ... G1 CD C1 C2 C3 C4 C5 C6 C7 C8 G6 G4 G2 COM G7 VA301 C320 33p VDD_IO_1V8 R301 100K C321 33p C322 33p R306 56K R305 56K 56K R304 C323 33p R303 56K 56K R302 VMMC_2V85 VMMC_2V85 C324 33p 1u C305 MSD_CLK MSD_DET_N MSD_D 1 MSD_D 0 MSD_CMD MSD_D 3 MSD_D 2 TP01 TP02 TEST POINT 4 13 Micro SD uSD Trouble TEST POINT MSD_D 1 MSD_D 0 MSD_D 3 MSD_D 2 VDD_IO_1V8 TP02 VMMC_2V 85 TP01 ...

Page 111: ...l right reserved Only for training and service purposes CHECKING FLOW Micro SD Card will work properly Micro SD Detect OK START Re attach or Replace S301 NO YES uSD_DET R301 TP02 Is High NO YES Re download SW YES YES Replace Micro SD Card Check the C305 TP01 2 8V YES NO Change U201 ...

Page 112: ...e Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 14 Bluetooth Trouble ANT701 TP1 C709 TP2 C710 U701 BT_CLK_26M C712 VDD_IO_1V8 RTC_32K C711 ...

Page 113: ...UART_RXD UART_RTS_N GPIO_0 UART_CTS_N GPIO_1 1 C D D V HUSB_DP 6 S S V 5 S S V 4 S S V 3 S S V 2 S S V 1 S S V GPIO_6 GPIO_5 C706 10n TP701 VDD_IO_1V8 C704 10p C705 2 2u VPA_2V85 10p C703 C702 10n 2 2u C701 VDD_IO_1V8 10n C707 R708 1K TP703 TP707 TP704 TP702 TP705 FL701 2450MHz 4 2 3 1 IN OUT GND1 GND2 TP706 FB701 600 100p R706 BT_UART_TX BT_UART_RX BT_UART_RTS BT_UART_CTS BT_PCM_SYNC BT_PCM_OUT B...

Page 114: ...ion is good START Check of BT Ant condition NO YES YES BT will work properly Check condition of matching components C708 C709 TP1 TP2 A condition is good NO YES Give the additory solder in C708 C709 R707 Replace Ant701 Ant702 Check Bias Voltage VDD_IO_1V8 YES NO Replace U701 Check RTC32K C712 YES NO Replace U701 Check BT_CLK_26M C713 NO Replace U701 C709 C710 ...

Page 115: ...LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 4 15 Wifi Trouble ANT701 TP1 C818 U802 RTC_32K R806 ANT702 TP2 C819 VDD_IO_1V8 XTALP C825 X801 U803 ...

Page 116: ...U M P S S V P _ R S T U O _ O I P G _ F R W 2 P 1 D D V _ T U O _ O D L _ O C V _ F R W WRF_RFIN WRF_RFOUT WRF_RES_EXT RF_SW_CTRL0 RF_SW_CTRL1 RF_SW_CTRL2 RF_SW_CTRL3 SDIO_DATA_2 SDIO_DATA_0 SPI_MISO SDIO_DATA_1 SPI_IRQ SDIO_CLK SPI_CLK SDIO_DATA_3 SPI_CSX SDIO_CMD SPI_MOSI JTAG_TMS JTAG_TDO JTAG_TDI JTAG_TCK JTAG_TRST_L WRF_TCXO_VDD3P3 WRF_XTAL_VDD1P2 VDD1 VDD2 VDDIO VDDIO_SD EXT_SMPS_REQ EXT_PWM...

Page 117: ...ion is good START Check of Wifi Ant condition NO YES YES Wifi will work properly Check condition of matching components C818 C819 TP1 TP2 A condition is good NO YES Give the additon solder in C818 C819 C815 Replace Ant701 Ant702 Check Bias Voltage VDD_IO_1V8 YES NO Replace U802 Check RTC32K R806 YES NO Replace U802 Check XTAL C825 NO Replace X801 TP1 TP2 C815 ...

Page 118: ...ly Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING TEST POINT 4 16 FM Radio Trouble J501 TP3 VA501 TP1 L501 C502 TP2 C501 FM_ANT_C231 Q202 FM_ANT2_C230 LNA_EN_L202 ...

Page 119: ...AG62831701 6 1 4 4D 5 M5 MIC M4 DETECT M4 L M1 R M6 GND VA505 VA503 1800 FB504 1800 FB502 C502 27p VA501 VA502 C501 1n 1800 FB503 L501 100n 1 0 5 Q 2 3 1 G D S 1M R501 DNI R505 10 FB501 1800 FB507 FM_ANT HS_GND HS_MIC CIRCUIT TP1 R216 4 7K R211 24K Q202 2 1 3 470n C238 C231 330p D201 C230 470n C229 1u R212 270 5 1 R210 L202 22n FM_ANT FM_LNA_EN FM_ANT_2 To Main Chipset TP2 TP3 ...

Page 120: ...TART Check of ear_jack condition NO YES FM_radio will work properly Check condition of matching components L501 C501 VA501 A condition is good NO YES Give the additory solder in L501 C501 VA501 Replace J501 Check Bias Voltage VDD_FMR C225 YES NO Replace U201 YES Check Bias Voltage FM LNA LNA_EN_L203 YES NO Replace Q202 A condition is good L501 TP1 C501 TP2 VA501 TP3 TP1 3 ...

Page 121: ...LE SHOOTING 121 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes TEST POINT 4 17 Touch Trouble U402 TP01 C536 TP01 TP05 TP06 TP07 TP08 TP04 TP03 ...

Page 122: ... I2C_SDA I2C_SCL Y Y X X TOUCH_INT TOUCH_RST CIRCUIT TP01 ZD405 ZD404 ZD403 ZD402 CN405 4 3 2 1 Y Y X X ENZY0020701 C239 220n 2 2K R218 R217 2 2K VDD_IO_1V8 TP204 T12 P13 R12 1 1 F 1 T 8 1 T 8 1 A 1 A 1 1 R 7 A 7 B 0 1 C 0 1 B X T _ 1 S 2 I 0 A W _ 1 S 2 I L C S _ C 2 I A D S _ C 2 I F F O N O 1 C N 2 C N 3 C N 4 C N S F D D V ACD AGND VREF PWRON S T C _ T R A U _ T B T U O _ M C P _ T B N I _ M C...

Page 123: ...ING FLOW Yes Yes Yes No No Check CN404 and touch panel contact Check touch signal ZD402 405 TP05 08 Resolder or Replace U402 Contact well CN404 and touch panel Check supply voltage of U402 C417 TP01 Touch will work properly START Yes Resolder or Replace U201 Check I2C signal of U201 R229 R230 TP03 04 Resolder CN404 or replace touch panel Yes ...

Page 124: ... Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 5 DOWNLOAD k G GaG㜼 Onzt s pG GZUWP XUj G G GGaG㜼 iyh psGO tnP YUGzV G 㾡 aG㜼 OGw 㾡ㇵḴ㛺㢀UGP LG T515 LG T515 ...

Page 125: ...5 DOWNLOAD 125 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes kss 㾡 a 㜼 On Y_W kssP kssG 㾡 aG㜼 On Y_W UkssP LG T515 LG T515 LG T515 ...

Page 133: ...5 DOWNLOAD 133 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LG T515 LG T515 LG T515 LG T515 LG T515 LG T515 LG T515 LG T515 LG T515 ...

Page 137: ...assemble Main Board 6 Repair Guide Main Board with camera Module Disassemble Electric wire and some part that vulnerable to heat Main Board disassembled parts that vulnerable to heat Description 1 Disassemble the main board from the Phone 2 Disassemble parts that vulnerable to heat around the camera module ex Electric wire Dome Key and so on ...

Page 138: ...odule Before disassembling the Camera module Main board disassembled the Camera module Description 1 Temperature of a Hot Gun About 330 C 340 C 2 Heat rear if the main Board 1 Distance between Hot Gun and PCB About 3cm 2 heating time About 13 sec Disassemble the camera module Using Hot Gun heat rear of the main Board BJAY0007201 6 Repair Guide ...

Page 139: ...nd service purposes 6 3 Ready to Rework Camera Spread Flux to pad on the board Rework Camera Bottom Pad Soldering Description 1 Spread flux to space that removed camera module on the main board 2 Ready to rework Camera module 3 Rework Camera Bottom Pad Soldering Ready to rework Camera 6 Repair Guide ...

Page 140: ...ly Camera Rework Match Board Pin Map and Camera Pin Map There are two base line like L on the edge of the camera area Description 1 Check the site to assemble Camera 1 Match Pad 1 and Camera 1 on the board 2 Assemble the camera module matching base line on the board Board 1 Camera 1 Base line to assemble the Camera 6 Repair Guide ...

Page 141: ...ing the camera module using Hot Gun heat rear of the main Board Function Test Description 1 heat rear if the main Board 1 Distance between Hot Gun and PCB About 3cm 2 Heating time About 13 sec 2 Remove the protection tape on the Camera Lens 3 Assemble another parts that disassembled before 4 Function Test Assemble another parts that is disassembled before 6 Repair Guide ...

Page 142: ... 4A 4A 3 4A 35 4A A0 4A A2 4A4 5A0 4A 5A0 4A 5A0 4A Z 2 4 0 0 0 75 6A9 72A 156 6A A4 3 6A7 46A4 6 6A7 46A 65 465 6A456A0 6A9 72 6 A4 A 6 8 6 A56 675 6A2 A176 6 2 0 t YnGuhukGRGXnGzkyht i ijtYW WiY r i n 0 0 A 4A9 A0 0 0 A A0 0 0 A 5A0 0 0 A A0 0 0 A92A0 0 0 A 5 A0 0 0 A4 A0 6A2 A 0 6A2 A 6A2 A5 0 75 ih ly 5 2 6 6 2 75 ijt ZZ Yr 52 A 51 52 A 06 52 A 52 A 5 mlt tY WWzi ih ly 8 O J tpupGhii 0 6A6 2 7...

Page 143: ... 14 5 15 4 16 3 17 2 8 1 1 9 1 0 2 1 2 2 2 3 2 G U L S _ D N G P M A R V E L B A N E _ X T 0 L R T C P G 1 L R T C P G GND1 T T A B V GND2 NC3 RFIN_LB GND9 GND3 GND8 RFIN_HB ANT GND4 NC2 5 D N G 6 D N G 7 D N G 1 C N 0 X R RX1 C111 39p L118 22n 0 5p C107 100p C105 C104 8 2p ANT102 ANT103 C123 100p 1 5p L117 SW101 4 3 2 1 ANT COMMON G3 G4 GND RF_HB_TX RF_LB_TX RF_HB_RXN RF_LB_RXP RF_TX_EN RF_ANT_SE...

Page 144: ... CS2_n ADV_n RD_n WR_n WAIT_n RAS_n CAS_n BC0_n BC1_n BC2_n BC3_n SDCLKO BFCLKO_0 BFCLKO_1 CKE ANAMON FSYS_EN EPN EPP HSL HSR LSN LSP MICN1 MICP1 MICN2 MICP2 VMIC VUMIC ACD AGND VREF 1 D S _ D D V B F _ 1 D S 1 D S _ S S V W S 1 D S 1 S M S S V 2 S M S S V P S T A B V U M P _ T A B V 1 O I D D V 2 O I D D V 1 U B E _ D D V 2 U B E _ D D V L L D _ D D V U M P V U M P _ S S V 1 E R O C S S V 2 E R O...

Page 145: ...1 VDDQ6 VDDQ5 VDDQ4 VDDQ10 VDDQ9 VDDQ2 VDDQ8 VDDQ7 VDDQ3 NC27 NC20 NC21 NC9 NC19 NC8 NC11 NC12 NC17 NC18 NC7 NC16 NC25 NC6 NC10 NC5 NC13 NC14 NC4 NC2 NC24 NC22 NC23 A13 NC3 VCC1 VCC2 VSS1 VSS4 VSS8 VSSQ5 VSSQ4 VSSQ9 VSSQ8 VSSQ3 VSS2 VSS3 VSSQ10 VSSQ1 VSSQ2 VSS5 VSSQ6 VSSQ7 VSS6 VSS7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 BA0 BA1 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 D...

Page 146: ...O_1V8 C409 27p C410 47p VBAT 0 2 4 R 47K 9 1 4 R 47K VA401 680 R411 680 R415 680 R416 D403 D401 D402 KB403 KB401 680 R414 KB402 300pF FL401 IN OUT GND1 GND2 51K R402 R407 100K ZD401 6 8K R410 0 1u C413 VBACKUP_BAT R403 10 R404 10 22pF C406 56n L402 L401 56n C404 1u 33p C403 VB401 2 1 U402 B2 D1 C3 A2 D3 C2 A3 D2 B3 A1 C1 B1 NIRQ SDA AUX Y GND X NRST Y VDD X SCL A0 VDD_IO_1V8 0 1u C414 CN405 4 3 2 ...

Page 147: ... 120 FB506 C527 39p 120 L502 C515 2 2u R507 0 L501 100n 9 1 5 R I N D 1 0 5 Q 2 3 1 G D S VA507 6 8n C506 390p C522 ZD501 ZD502 U502 6 5 7 4 8 3 9 2 0 1 1 VCC 1 B 2 1B1 A 2 A 1 2 S 1 S 2B0 0 B 1 GND 1M R501 DNI R505 CN1 2 1 0 1u C504 VDD_IO_1V8 C517 2 2u C503 10u 2 2u C505 47n C537 47n C536 VBAT 10 FB501 C516 2 2u 120 L503 C535 0 1u VA512 VA513 1800 FB507 C507 6 8n VDD_IO_1V8 C518 22n R514 100K 1K...

Page 148: ...40 1 1u C606 15pF FL602 0 1 5 6 4 7 3 8 2 9 1 INOUT_A1 INOUT_B1 INOUT_A2 INOUT_B2 INOUT_A3 INOUT_B3 INOUT_A4 INOUT_B4 1 G 2 G VBAT C602 1u 1u C601 C610 1u 1u C609 C608 1u FM_LNA_EN VCAM_DIG_1V8 VCAM_ANA_2V8 2 2u C605 2 2u C611 C604 1u RT9396 U601 24 23 22 21 20 19 18 8 7 6 5 9 4 10 3 11 2 12 1 3 1 4 1 5 1 6 1 7 1 L C S A D S N E M W P F C D N G P LDO1 N 2 C LDO2 N 1 C LDO3 P 1 C LDO4 P 2 C AGND VI...

Page 149: ...RT_RXD UART_RTS_N GPIO_0 UART_CTS_N GPIO_1 1 C D D V HUSB_DP 6 S S V 5 S S V 4 S S V 3 S S V 2 S S V 1 S S V GPIO_6 GPIO_5 C706 10n TP701 VDD_IO_1V8 C704 10p C705 2 2u VPA_2V85 10p C703 C702 10n 2 2u C701 VDD_IO_1V8 10n C707 R708 1K TP703 TP707 TP704 TP702 TP705 ANT701 ANT702 TP706 FB701 600 DNI 6 0 7 R BT_UART_TX BT_UART_RX BT_UART_RTS BT_UART_CTS BT_PCM_SYNC BT_PCM_OUT BT_PCM_IN BT_PCM_CLK BT_WA...

Page 150: ...V A _ U M P S S V P _ R S T U O _ O I P G _ F R W 2 P 1 D D V _ T U O _ O D L _ O C V _ F R W WRF_RFIN WRF_RFOUT WRF_RES_EXT RF_SW_CTRL0 RF_SW_CTRL1 RF_SW_CTRL2 RF_SW_CTRL3 SDIO_DATA_2 SDIO_DATA_0 SPI_MISO SDIO_DATA_1 SPI_IRQ SDIO_CLK SPI_CLK SDIO_DATA_3 SPI_CSX SDIO_CMD SPI_MOSI JTAG_TMS JTAG_TDO JTAG_TDI JTAG_TCK JTAG_TRST_L WRF_TCXO_VDD3P3 WRF_XTAL_VDD1P2 VDD1 VDD2 VDDIO VDDIO_SD EXT_SMPS_REQ E...

Page 151: ...51 Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 CIRCUIT DIAGRAM CN101 3 2 1 KB101 3 2 1 CN101 4 KB101 KB102 VOL UP F_SK_VOL VOL DOWN ...

Page 152: ...nternal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 9 BGA PIN MAP 9 BGA PIN MAP BGA IC pin check U201 Ball Diagram Top View PMB8815 A GOLDRADIO not in use ...

Page 153: ...A PIN MAP 153 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes BGA IC pin check U201 ؼ Ball Diagram Top View H9DA2GH1GHMMMR 46M NC not in use ...

Page 154: ...GE Internal Use Only 10 PCB LAYOUT K B 4 0 2 3 0 4 D 2 0 4 D 5 1 4 R 7 0 5 B F 1 0 2 N C CN405 ZD405 ZD404 ZD403 ZD402 R416 R411 KB401 1 0 4 D 4 1 4 R 1 N C 4 0 5 L VA509 C532 C531 5 0 5 L VA508 KB403 VA 50 2 LG T515_MAIN_EAX64145401_1 0_TOP 10 PCB LAYOUT CN404 Touch screen connector no touch screen ...

Page 155: ...9 0 1 L D201 6 1 2 R 8 3 2 C 1 1 2 R 5 0 6 L F 4 0 6 L F 1 3 2 C 2 0 2 Q C616 C617 C618 9 2 2 C 0 3 2 C 2 0 2 L 0 1 2 R R212 7 1 2 R 8 0 6 R 4 0 6 A V 8 1 2 R 5 1 6 C TP202 TP305 C311 TP311 TP312 TP309 TP307 3 0 3 C 4 0 3 C TP204 3 0 7 P T X201 L116 9 1 2 C 8 1 2 C 8 0 2 C 4 1 1 L 9 0 2 C L112 C118 8 1 1 L ANT102 C104 VA501 C507 1 0 5 M 2 0 6 A V 7 1 1 C SW101 1 1 1 L C506 3 1 5 C 5 0 5 R C517 3 0...

Page 160: ...luetooth Test 1 2 1 Enter Test Mode 1 2 2 OnOff Test 1 2 3 Headset Test 1 2 4 BT Test1 1 2 5 BT Test2 1 2 6 Xhtml Compose Print 1 2 7 Xhtml Print Test 3 3 Layer1 Info 4 Call Timer 3 Eng Mode 6 MF TEST 5 Factory Reset 2 Model Version 3 1 Cell environ 3 2 1 Mobility 3 2 2 RadioRes 3 2 1 Gprs 6 2 1 BacklightOn 6 2 2 BacklightOff 6 3 1 Audio Test 2 1 Version 3 2 PS Layer Info 3 4 Reset Information 3 5...

Page 161: ...e purposes 12 STAND ALONE TEST 12 STAND ALONE TEST 11 1 Introduction This manual explains how to examine the status of RX and TX of the model A Tx Test TX test this is to see if the transmitter of the phones is activating normally B Rx Test RX test this is to see if the receiver of the phones is activating normally 11 2 Setting Method 1 Set COM Port 2 Check PC Bau Rate 3 Confirm EEPROM Delta file ...

Page 162: ...ernal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes Not Connected ԛ Connected 4 Click Update Info for communicating Phone and Test Program 12 STAND ALONE TEST ...

Page 163: ...eserved Only for training and service purposes ԝ Ԝ Change ptest mood 5 For the purpose of the Standalone Test Change the Phone to ptest mode and then Click the Reset bar 6 Select Non signaling in the Quick Bar menu Then Standalone Test setup is finished 12 STAND ALONE TEST ...

Page 164: ...service purposes 12 STAND ALONE TEST 1 Non signaling mode bar and then confirm OK text in the command line 2 Put the number of TX Channel in the ARFCN 3 Select Tx in the RF mode menu and PCL in the PA Level menu 4 Finally Click Write All bar and try the efficiency test of Phone 11 3 Tx Test Ԙ ԙ Ԛ ԛ 12 3 ...

Page 165: ...ND ALONE TEST 11 4 Rx Test 1 Put the number of RX Channel in the ARFCN 2 Select Rx in the RF mode menu 3 Finally Click Write All bar and try the efficiency test of Phone 4 The Phone must be changed normal mode after finishing Test 5 Change the Phone to normal mode and then Click the Reset bar ԙ Ԙ Ԛ ԛ Ԝ Change normal mode 12 4 ...

Page 166: ...s the PC side Calibration tool that perform Tx Rx and Battery Calibration with Agilent 8960 GSM call setting instrument and Tektronix PS2521G Programmable Power supply Auto cal generates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone 12 2 Tachyon Directory LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 13 1 13 ...

Page 167: ...ly Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION 12 3 Test Equipment Setup 1 Turn on the Phone 2 LGE Tachyon Tachyon exe 12 4 Procedure 13 3 13 4 LGT515 LGT515 ...

Page 168: ... 168 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION Click 3 Tachyon Login 4 Tachyon Main LGT515 ...

Page 169: ...E Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION 5 Tachyon Loss Setting lgt515 gms lgt515 gms lgt515 gms lgt515 gms lgt515 gms ...

Page 170: ...es 13 AUTO CALIBRATION 1 User Model Selection 2 Calibration Auto Test 3 Stop 4 Auto Test Only 5 Loss Setting 6 System Option Setting 7 Running Option Setting 8 Voltage Current Setting 9 Show Result Window 10 Setting 䟸㜄 click X P Y P Z P P P P P _ P P XW P 6 Tachyon Setting 1 Tachyon Main UI LGT515 Click after setting ...

Page 171: ...171 LGE Internal Use Only Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION ziG Gz Gw z G j 2 Click System Option Setting Menu 3 Report Data ...

Page 172: ...ly Copyright 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION j k Gj 7 Click User Model Selection Menu LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 LGT515 ...

Page 173: ...ght 2011 LG Electronics Inc All right reserved Only for training and service purposes 13 AUTO CALIBRATION j SG Gz j GRGh Gwhzz 8 Tachyon RF Calibration Start 9 Tachyon RF Calibration finishes lgt515 gms NewFile grf LGT515 LGT515 LGT515 ...

Page 174: ...get proper scale factor value and measured power level 12 7 ADC This procedure is for battery calibration You can get main Battery Config Table and temperature Config Table will be reset 11 8 Target Power 29 8 dBm 29 8 dBm 29 8 dBm Max power 1909 8 MHz 1880 MHz 1850 2 MHz Frequency 810 661 512 Channel PCS 1900 29 8 dBm 29 8 dBm 29 8 dBm Max power 1784 8 MHz 1747 6 MHz 1710 2 MHz Frequency 885 699 ...

Page 175: ...on GMEY00 Screw Machine ACQ01 Cover Assembly Rear EAA01 PIFA Antenna Multiple EAA00 PIFA Antenna Bluetooth MBG00 Button MBG01 Button MBL00 Cap MBL02 Cap EBR00 PCB Assembly Main EBP00 Camera Module ABA00 Bracket Assembly EAB00 Speaker Dual Mode EAX00 PCB Sidekey ADB00 Dome Assembly Metal ABM00 Can Assembly Shield EAX01 PCB Sidekey SURY00 Receiver SUMY00 Microphone Condenser SJMY00 Motor DC AEX01 Ke...

Page 176: ...SV WA White C2000 USASV DIA 4 0 PRINTING 4 MKC009400 Window Camera MKC64019401 COMPLEX LGT510 AINDZY TR Transparent 4 MJN061101 Tape Protect MJN67852101 COMPLEX LGT510 AINDZY GE GREEN BLUE 4 MJN061100 Tape Protect MJN67852001 COMPLEX LGT510 AINDZY GE GREEN BLUE 4 MJN089300 Tape Window MJN67808701 COMPLEX LGT510 AINDZY TR Transparent 4 MDJ000000 Filter MDJ63144201 COMPLEX LGT510 AINDZY BK Black 4 M...

Page 177: ...P61321701 C2FD H367A C2FD H367A 2M hynix 1 5 LG INNOTEK CO LTD 5 MEZ002100 Label MLAZ0038301 COMPLEX LG VX6000 ZZ Without Color PID Label 4 Array PRINTING 4 EBR071500 PCB Assembly Main Insert EBR73707701 LGT510 AINDUK 1 0 Main 5 ABA00 Bracket Assembly ABA74048601 LGT510 AINDZY BK Black 6 MJN000001 Tape MJN67831401 COMPLEX LGT510 AINDZY TR Transparent 6 MAZ000000 Bracket MAZ63144801 MOLD PC LGT510 ...

Page 178: ...0V 4x1 0t FPCB BSE CO LTD 5 SJMY00 Motor DC SJMY0007104 3V 80mA 0A 12KRPM 0RPM 0SEC 0GF CM 0OHM 3 ACQ003400 Cover Assembly Bar ACQ85512405 LGT515 AINDUK UK URBAN BLACK 4 AEX01 Keypad Assembly Main AEX73737401 LGT510 AINDZY UK URBAN BLACK 4 MEZ000000 Label MLAZ0038303 COMPLEX LG LC3200 WA White PRINTING PPRI PRINTING 4 MJN061104 Tape Protect MJN67907001 COMPLEX LGT510 AINDUK TR Transparent 4 MJN061...

Page 179: ... 3 MCK004100 Cover Battery MCK66727601 MOLD PC LGT510 AINDZY UK URBAN BLACK 1 AGF000000 Package Assembly AGF76280603 LGT515 AINDUK ZZ Without Color LG T515 IND TR1 1H IND_UB MRP_LB Seal 6WD 500EA 2 MAY084000 Box Unit MAY65139126 BOX Paper 160 59 120 5 COLOR LGT515 AINDUK ZZ Without Color LG T515 IND TR1 1HW English 2 MAF086500 Bag Vinyl MBAD0005204 COMPLEX LG LX260 SPRAG ZZ Without Color 2 MAY0471...

Page 180: ... and service purposes 14 EXPLODED VIEW REPLACEMENT PART LIST Level Location No Description PartNumber Spec Remark 3 MGA000000 Pallet MGA62599501 COMPLEX LGA230 AINDZY ZZ Without Color TR1 1 6Ply WD pallet 6side wooden pallet new type 3 MPBZ00 Damper MPBZ0219601 COMPLEX KM500 ROMBB ZZ Without Color ...

Page 181: ... Varistor SEVY0005201 EVLC5S02050 5 5V 0 50F 1 0 0 5 0 6 SMD R TP AMOTECH CO LTD 6 VA508 VA509 Diode TVS EDTY0012501 UCLAMP3311T TCT SLP1006P2T 3 3 V 40 W R TP 4 3 V 6 5 V 5 A R TP 2P 1 SEMTECH CORPORATION 6 FB507 Filter Bead SFBH0008102 BLM15HD182SN1D 1800 ohm 1 0X0 5X0 5 25 2 2 ohm 0 2A SMD R TP 2P 0 MURATA MANUFACTURING CO LTD 6 C531 C532 Capacitor Ceramic Chip ECCH0000122 MCH155A470JK 47pF 5 5...

Page 182: ...LG 1 5UH 30 1 2A 1 2 1 2 0 1OHM SHIELD 2 5X2X1MM NONE R TP FDK CORPORATION 6 CN601 Connector BtoB ENBY0036001 GB042 40S H10 E3000 40P 0 4MM STRAIGHT SOCKET SMD R TP 1M ENGINEERING PLASTIC UL94V 0 AU OVER NI LS Mtron Ltd 6 CN401 Connector I O ENRY0010501 GU075 5P SD E1500 5P 0 65MM ANGLE RECEPTACLE DIP R TP LS Mtron Ltd 6 J301 J302 Card Socket ENSY0022102 GCA26A 6S H16 M E1000 SIM 6P ANGLE SMD R TP...

Page 183: ...W 1005 R TP ROHM 6 R213 R308 R311 R312 R313 Resistor Chip ERHZ0000405 MCR01MZP5J103 10KOHM 5 1 16W 1005 R TP ROHM 6 R209 R214 R215 R301 R309 R310 R418 R503 R601 R605 R606 Resistor Chip ERHZ0000406 MCR01MZP5J104 100KOHM 5 1 16W 1005 R TP ROHM 6 R501 R510 Resistor Chip ERHZ0000407 MCR01MZP5J105 1MOHM 5 1 16W 1005 R TP ROHM 6 R217 R218 R408 R509 R518 R522 Resistor Chip ERHZ0000443 MCR01MZP5J222 2 2KO...

Page 184: ...01 IC Comparator EUSY0250501 NCS2200SQ2T2G NCS2200SQ2T2G SC70 5 PIN R TP Comparator pin compatible to EUSY0077701 SC70 R TP 5P ON SEMICONDUCTOR 6 U302 IC Analog Switch EUSY0260001 FSA2257L10X 1 65 5 5 50SEC 20SEC 0W MICROPAK R TP 10P 2 FAIRCHILD SEMICONDUCTOR 6 U601 IC Sub PMIC EUSY0344403 RT9396GQW QFN 24 R TP 4CH 2LDO IC Sub PMICIC Sub PMIC RICHTEK TECHNOLOGY CORP 6 U803 IC LDO Voltage Regulator...

Page 185: ...Connector Terminal Block EAG62832501 KQ03LV2 3R 3P 3 00MM ANGLE SMD T REEL HIROSE KOREA CO LTD 6 FL101 Filter Saw Dual EAM62071301 B9836 GSM QUAD 1 8 1 4 0 4 SMD R TP 10P EPCOS PTE LTD 6 U401 IC Mini ABB EAN61833301 LP8727 1 6V to 5 5V 0SEC 0SEC 0W 8 Mini ABB Basic MUIC Charger IC WL CSP R TP 25P NATIONAL SEMICONDUCTOR ASIA PACIFIC PTE LTD 6 U301 IC MCP NAND EAN61927501 H9DA2GH1GHMMMR 46M NAND 2G ...

Page 186: ...Chip ECCH0000182 GRM155R61A104K 0 1uF 10 10V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 ZD402 ZD403 ZD404 ZD405 Varistor SEVY0003901 EVL5M02200 5 5V 0 480F 1 0 0 5 0 6 NONE SMD R TP AMOTECH CO LTD 6 VA301 Varistor SEVY0004001 EVLC18S02003 18V 0 3F 1 0 0 5 0 6 NONE SMD R TP AMOTECH CO LTD 6 VA506 VA507 Varistor SEVY0005202 EVLC5S02100 5 5V 0 100F 1 0 0 5 0 6 UL SMD R TP AMOTECH CO LTD 6 F...

Page 187: ...ICS CO LTD 6 C603 C605 C611 C701 C705 C812 C813 C827 Capacitor Ceramic Chip ECCH0007804 CL05A225MP5NSNC 2 2uF 20 10V X5R 55TO 85C 1005 R TP 0 5MM SAMSUNG ELECTRO MECHANICS CO LTD 6 C612 C614 Capacitor Ceramic Chip ECCH0010501 GRM1555C1H7R5D 7 5pF C0G TYPE No X7R MURATA MANUFACTURING CO LTD 6 C103 Capacitor TA Conformal ECTH0001704 F981A226MSA 22uF 20 10V 2 2A 55TO 85C 4OHM 2 2X1 25X1 2MM NONE SMD ...

Page 188: ...C530 Capacitor Ceramic Chip ECZH0003103 GRM36X7R104K10PT 100nF 10 10V X7R 55TO 125C 1005 R TP MURATA MANUFACTURING CO LTD 6 C221 Capacitor Ceramic Chip ECZH0025502 GRM219R60J226M 0 000022F 20 6 3V X5R 55TO 85C 2012 R TP 0 85MM MURATA MANUFACTURING CO LTD 6 D401 D402 D403 Diode TVS EDTY0009401 VMNZ6 8CST2R 5 78V 0 10V 0A 100mW VMN2 R TP 2P 1 ROHM 6 D201 VA501 Diode TVS EDTY0010501 RCLAMP1521P TCT 1...

Page 189: ...P TOKO INC 6 C408 C703 C704 C801 C803 C824 Capacitor Ceramic Chip ECCH0000110 MCH155A100D 10pF 0 5PF 50V NP0 55TO 125C 1005 R TP ROHM Semiconductor KOREA CORPORATION 6 C208 C214 C215 C218 C310 C401 C404 C411 C412 C508 C509 C604 C608 C609 C610 C807 C828 C829 C830 Capacitor Ceramic Chip ECCH0004904 GRM155R60J105K 1uF 10 6 3V X5R 55TO 85C 1005 R TP MURATA MANUFACTURING CO LTD 6 R519 R603 Wire Pad Ope...

Page 190: ... Capacitor Ceramic Chip ECCH0000163 C1005X5R473KDT 47nF 10 10V X5R 55TO 85C 1005 R TP NEOTECH CO LTD 6 BAT201 Capacitor Assembly SMZY0023501 PAS311HR VG1 3 8 Backup Capacitor 0 03F Module Assembly KOREA TAIYO YUDEN CO LTD 6 FB801 Filter Bead EAM62131201 CIM05J121NC 120 ohm 1 0X0 5X0 5 25 0 3 ohm 0 5A SMD R TP 2P 0 SAMSUNG ELECTRO MECHANICS CO LTD 6 C207 C210 C239 C809 C820 C826 Capacitor Ceramic C...

Page 191: ...05 R TP TDK KOREA COOPERATION 6 C102 C119 C121 C320 C321 C322 C323 C324 C403 Capacitor Ceramic Chip ECZH0000830 C1005C0G1H330JT000F 33pF 5 50V NP0 55TO 125C 1005 R TP TDK KOREA COOPERATION 6 L805 Inductor Multilayer Chip ELCH0001403 LL1005 FHL1N0S 1NH 0 3NH 400mA 0 1OHM 20GHZ 7 SHIELD NONE 1 0X0 5X0 5MM R TP TOKO INC 6 Q201 TR Bipolar EBK61572201 LSCR523EBFS8 NPN 5V 50V 50V 100mA 100NA 120 560 150...

Page 192: ... LQG15HS3N3S02D 3 3NH 0 3NH 300mA 0 17OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURING CO LTD 6 U801 Module FEM Front End Module EAT61493101 XM2400LU DL1201 10DBM 12 5DB 10 1UA 7mA 1 6DB 23DBM 3 5DBM 12P 1 6x1 6x0 4MM MURATA MANUFACTURING CO LTD 6 C301 C306 Capacitor Ceramic Chip ECZH0001421 C1608X5R0J225KT000N 2 2uF 10 6 3V X5R 55TO 85C 1608 R TP TDK KOREA COOPERATION 6 C115 C818 Ca...

Page 193: ...k 6 U502 IC Analog Switch EUSY0186504 FSA2259UMX QFN 8 R TP Dual SPDT IC Analog Switch FAIRCHILD SEMICONDUCTOR 6 L804 Inductor Multilayer Chip ELCH0004733 1005GC2T4N3SLF 4 3NH 0 3NH 300mA 0 23OHM 3 5GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP PILKOR ELECTRONICS LTD 6 L110 Inductor Multilayer Chip ELCH0003816 LQG15HS3N6S02D 3 6NH 0 3NH 300mA 0 18OHM 6GHZ 8 SHIELD NONE 1 0X0 5X0 5MM R TP MURATA MANUFACTURI...

Page 194: ...EREO 4POLE PLUG CRESYN CO LTD 2 AFN053800 Manual Assembly Operation AFN75492047 LGT515 AINDUK ZZ Without Color LGT515 manual assy for IND 3 MBM087200 Card Warranty MBM63456201 PRINTING LGP990 AINDDW ZZ Without Color 3 SAC000000 PCSYNC CD SAC35316401 DATA CD CD 3 MFL053800 Manual Operation MFL67202050 COMPLEX LGT515 AINDUK ZZ Without Color LGT515 manual for IND 2 EAY060000 Adapters SSAD0031502 STA ...

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