LG Vodafone GM750 Service Manual Download Page 87

Page: 87 / 257

- 88 -

LGE Internal Use Only

Only for training and service purposes

4. TROUBLE SHOOTING

1.TROUBLE SHOOTING

4.1 RF Component

U105

U107

FL108 FL106 FL105 FL102

FL104

FL113

FL112

U101

U102

FL110

FL103

FL109

FL101

U108

U103

U106

Mobile

S/W

Main Antenna PAD

Summary of Contents for Vodafone GM750

Page 1: ...Service Manual Model GM750 Internal Use Only Service Manual GM750 Date September 2009 Issue 1 0 ...

Page 2: ...ce Sensor 81 3 17 Motion Sensor 82 3 18 Main Features 83 4 TROUBLE SHOOTING 88 4 1 RF Component 88 4 2 SIGNAL PATH 91 4 3 Checking TCXO Block 94 4 4 Checking Front End Module FEM Block 96 4 5 Checking WCDMA Block 99 4 6 Checking GSM Block 111 4 7 Power ON Troubleshooting 117 4 8 Charger Troubleshooting 119 4 9 USB trouble 122 4 10 Audio trouble 124 4 11 5M Camera trouble 137 4 12 VGA Camera troubl...

Page 4: ...nauthorized 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 may ma...

Page 5: ...ctric 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 ground...

Page 6: ...handover Phase 2 include AMR 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 Applica...

Page 7: ...Bm WCDMA FDD2 107 5 dBm WCDMA FDD8 108 dBm EGSM 107 dBm GSM850 107 dBm DCS 1800 107 dBm PCS 1900 107 dBm TX output power WCDMA GSM GPRS WCDMA 22 5dBm 3 84MHz 1 3dBm EGSM 32 5dBm GSM850 32 5 dBm DCS1800 29 5 dBm PCS 1900 29 5 dBm EDGE compatibility GPRS Class 12 EDGE Class 12 Class3 WCDMA Class4 EGSM Class4 GSM850 Class1 PCS Class1 DCS SIM card type Plug In SIM 3V 1 8V E2 GSM900 E2 PCS E2 DCS Displ...

Page 8: ...SDRAM 2Gb Speech coding FR EFR HR AMR Vibrator Built in Vibrator Blue Tooth Bluetooth 2 1 EDR MIDI for Buzzer Function SW Decoded 72Poly Music Player MP3 WMA AAC HE AAC EAAC Video Player MPEG4 H 263 WMV9 Camcorder MPEG4 H 263 Voice Recording Yes Speaker Phone mode Support Yes Travel Adapter Yes CDROM Yes Stereo Headset Yes Data Cable Yes T Flash External Memory Yes Up to 32GB ...

Page 9: ...Wi Fi O 802 11 b and g USB O Ver 2 0 Full Speed USB Mass storage X Connectivity RS232 X Voice Recording O X Digit Dial X Name Dial X Menu Voice Command X Phonebook Searching Voice Function Answering machine X Driving Meeting user define absent O Total 2Gb Flash 1Gb DDR SDRAM external MicroSD O Total User Memory 128MB w o MicroSD O MMS O Pictures Still Image Moving Image O MP3 Music Contents O Java...

Page 10: ...x240 Only Quality O Standard Fine Superfine Preview Image O QVGA 320 X 240 Full Screen 340 X 240 TV Out X Flash X Not Available Filter O None Negative Sepia Mono A qua Emboss Sketch Red Gre en Solarize Timer O Off 3 secs 5 secs 10 secs O JPEG X Thumbnail JPEG Encoding O 320x240 640x480 1280x960 1600x1200 2048x1536 2560x 1920 O JPEG JPEG Decoding O Min Max Supported by LGCamera Gallery LG My Stuff ...

Page 11: ... Decode O AMR AAC LC Supported by Windows media Movie Recode O Recode Stop Movie Playback O Play Stop Pause Supported by Windows media Stream Format Mux O 3gp Stream Format Demux O 3gp Recoding Time O Real Time Recoding Camera Movie Capture TV Out X Audio Voice Codec O AMR AAC AAC EAAC O MP3 WAV O WMA O Midi O Midi Type0 Midi Type1 SP MIDI Music ringtone O MP3 AAC AAC AAC LC XMF 1 01 AMR XMF is no...

Page 12: ...er O doc xls ppt gif jpg Macromedia Flash Lite X Not Available LGE Flash Engine is specified to UI Not compatible e Book e Comic Book X doc jpg gif E book reader program is not included in ROM But user can download in internet WM product recommend using Microsoft Reader for PPC Other Features Flight Mode O O version 2 0 O WML1 3 O XHTML1 1 Internet Browser WAP Windows Mobile 6 0 IE Mobile O HTML4 ...

Page 13: ... level Battery Level O 5 level Yes RTC O Multi Language O depending on build language MS limitation Quick Access Mode O Hot key Camera PLMN Service Indicator O Dimming Clock O Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min External power 1min 2min 3min 4min 5min 6min 7min 8min 9min 10min Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min External power 1min 2min 3min 4min 5min 6min 7min ...

Page 14: ...omatic Network Selection O Manual Network Selection O Network Network Service Status O DTMF Signaling O DTMF DTMF Enable Disable X Key Tone Volume O 6 Level Include Mute Ring Tone Volume O 6 Level Include Mute Ring Tone Pattern O Ring Type Silent O Vibrator Ring Indicator Earpiece Volume O 6 Level Include Mute Audio Mute O Read Cell Broadcast O Cell Broadcast Categories X Cell Broadcast Cell Broad...

Page 15: ...d Dial Number X Service Dial Number X Email Entry O Picture ID O Relating Photo caller ID Phone Book My Name card O Bluetooth transmission OPP Last Call Timer X Last Call Charge Units X Total Call Timer X Total Charge Units X Call Cost Visible Audible Call Time Cost Indication X O All Incoming Calls O No Reply O On Busy Call Forwarding O Not reachable O All Outgoing Calls O International Calls O C...

Page 16: ...ber from Message X Message Status O Message Unread Indicator O Settable Message Center Number Reply Path and Validity O Visible and Audible Message Receive Alerting O Voice Mail O Settable Voice Mail Center Number O Message Protocol O Message Overflow Indicator O Message Center Number O Short Messaging Help Menu X Picture Attachable O Max 300kbyte Moving Picture Attachable O Video MMS Max 300kbyte...

Page 17: ...patable O Instant Messaging Service Menu Option O O IMAP4 O SMTP O POP3 E Mail Protocol X Help Menu X Full Duplex PTT X Half Duplex X Grouping X Status List X Help Voice Instant Messaging Service Menu Option X Others Wallpaper O Screen Saver X Ringtones O Karaoke X Stutter Sound O Flip tone X Button tone O can be enable or disable button press sound Sound Contents Others X ...

Page 18: ...word input O T9 predictive supported Schedule O To Do List O Memo O Scheduler D day counter X Send via Bluetooth O Setting Local Time O Display Two Number of Cities Time X Dual clock World Time Daylight saving O Unit converter X Stop watch O Calculator Calculation O Phone Book Sync O supported by MS ActiveSync Message Sync O supported by MS ActiveSync Multimedia Contents Sync O supported by MS Act...

Page 19: ...e Version O Handset Battery Charging Mode O USB TA Charging USB TA Charging Emergency Call O Handset Lock O Security Code O SIM Lock O Security Key guard X 12 24 hour X Calendar O Time Zone O Alarm Manager O Dimming Clock O Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min External power 1min 2min 3min 4min 5min 6min 7min 8min 9min 10min Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min Ex...

Page 20: ...e Version O Handset Battery Charging Mode O USB TA Charging USB TA Charging Emergency Call O Handset Lock O Security Code O SIM Lock O Security Key guard X 12 24 hour X Calendar O Time Zone O Alarm Manager O Dimming Clock O Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min External power 1min 2min 3min 4min 5min 6min 7min 8min 9min 10min Battery power 5s 10s 15s 30s 1min 2min 3min 4min 5min Ex...

Page 21: ... 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 ...

Page 22: ... 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 f 935...

Page 23: ...Bm 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 84 MHz Fuw2 offset 20 MHz Spurious Emissions 57 dBm 100...

Page 24: ... 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 MHz 7 5 8 5 MHz 35 10 f 7 5 dBc 1 MHz 8 5 12 5 MHz 49dBc 1 MHz Adjacent Channel Leakage Power Ratio ACLR Sub Test 1 1 15 2 12...

Page 25: ...em Specification Transmit Frequency WCDMA900 880 MHz 915 MHz WCDMA1900 1850MHz 1910 MHz WCDMA2100 1920 MHz 1980 MHz Maximum Output Power Sub Test 1 11 15 2 6 15 18 8 25 7dBm 3 84 MHz 16 8 25 7dBm 3 84 MHz 3 9 15 4 2 15 17 8 25 7dBm 3 84 MHz 16 8 25 7dBm 3 84 MHz 5 15 15 18 8 25 7dBm 3 84 MHz Spectrum Emission Mask Adjacent Channel Leakage Power Ratio ACLR ...

Page 26: ...ncy 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 75GHz 47 dBm 1 8GHz 1 9GHz 47 dBm 5 15GHz 5 3GHz Rx Min input Sensitivity 76dBm 1Mbps 2Mbps 5 5...

Page 27: ... 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 36Mb...

Page 28: ...ked loop that translates the GMSK modulated or 8 PSK modulated signal to RF Figure 1 1 Block diagram of RF part A generic high level functional block diagram of GM750 is shown in Figure 1 1 One antenna collects base station forward link signals and radiates handset reverse link signals The antenna connects with receive and transmit paths through a SKY77521 FEM Front End Module GSM PAM The UMTS rec...

Page 29: ...p converter translates the GMSK modulated signal or 8 PSK modulated signal to a constant envelope phase signal at RF 2 The amplitude modulated AM component is applied to the ramping control pin of Polar power amplifier from a DAC within the MSM GM750 power supply voltages are managed and regulated by the PM7540 Power Management IC This versatile device integrates all wireless handset power managem...

Page 30: ...e connected to the transceiver front end circuits switch module through saw filters GSM 850 GSM 900 GSM 1800 and GSM 1900 receiver inputs use differential configurations to improve common mode rejection and second order non linearity performance as shown in Figure 1 2 The balance between the complementary signals is critical and must be maintained from the RF filter outputs all the way into the IC...

Page 31: ...m p ga i n and n oise t ia l i m p ga i n and n oise i a l i m p ga i n and n oise a l i m p ga i n and n oise l i m p ga i n and n oise i m p ga i n and n oise i m p ga i n and n oise m p ga i n and n oise p ga i n and n oise e ga i n and n oise d ga i n and n oise a ga i n and n oise n ga i n and n oise c ga i n and n oise e ga i n and n oise s ga i n and n oise ga i n and n oise o ga i n and n ...

Page 33: ...pacitor at the output pins 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 a...

Page 34: ...mon 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 stopb...

Page 35: ...s fairly 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...

Page 36: ... 37 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Technical Brief GM750 Figure 1 6 RTR6285 IC Functional Block Diagram ...

Page 37: ...EIVER The GPS receiver input employs a single ended connection realized by this pin The GPS input is routed from the GPS antenna switch through a band pass filter and then an impedance transformer circuit that optimally matches the impedance looking into the GPS LNA The impedance transformer circuit topology is shown in Figure 1 7 Figure 1 7 GPS Input Network Topology ...

Page 38: ...esizer 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 GSM1800 and GSM1900 The second synthesizer PLL2 in the RTR6285 IC provides the LO for the UMTS primary receiver For the RTR6285 IC only the second synthesizer also provides the LO for the secon...

Page 39: ...Technologies leading edge FBAR filter for exceptional rejection at Cell PCS Band frequencies The ALM 2412 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 1 6 2 SKY77521 U107 FEM GSM Quad Band PAM SKY77521 is transmit and receive Front End Module FEM des...

Page 40: ...LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Technical Brief GM750 Figure 1 8 SKY77521 Functional Block Diagram 3 6 3 W CDMA Dual Band POWER AMPLIFIER U101 AWT6224R ...

Page 41: ... 42 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 3 Technical Brief GM750 Figure 1 9 AWT6224R Functional Block Diagram ...

Page 42: ...9 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Technical Brief GM750 3 6 4 W CDMA 1900 POWER AMPLIFIER U102 AWT6278R Figure 1 10 AWT6278R Functional Block Diagram ...

Page 43: ...apacity and data throughput y USB OTG core supports both slave and limited host functionality y High speed USB link y Integrated wideband stereo CODEC for digital audio applications y Direct interface to digital camera module with video front end VFE image processing y Vocoder support GSM HR FR EFR AMR W AMR and 4GV y Advanced 15 15 1 4 mm 0 5 mm pitch 543 pin lead free CSP packaging technology y ...

Page 44: ...45 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 Technical Brief 3 2 Hardware Architecture Figure Simplified Block Diagram of System ...

Page 45: ...PS PLL APPS QDSP 4 ARM 926ejs With Jazelle UMTS WCDMA processor BT 1 2 processor Rx ADC Tx DAC MP3 AAC EVRC QCELP AMR CMX MIDI EBI 1 EBI 2 Open GL ES 3D 2D MPEG 4 H 263 H 264 F I d a p y e K 1 O I D S D S B S U 1 T R A U 1 M I U R 2 T R A U I B S C I M P 3 T R A U Mono Speaker MIC D S o r c i M Camera 5M Y E K D A P n i P 5 d e e p S h g i H r o t c e n n o C B S U t e s d a e H NAND Flash 4G SDRA...

Page 46: ...k the WCDMA subsystem processes the packet data and modulates the up link traffic channel DCH 3 9 3 GSM Subsystem The GSM GPRS EGPRS subsystem reuses the MSM6280 GSM core It performs the digital GSM signal processing and PA gain controls for GPRS support The PA output level is controlled by an analog signal generated on the MSM In GSM mode the power profile ramps up before the burst and ramps down...

Page 47: ...dition the QDSP4000 has modules to support the following audio functions DTMF tone generation DTMF tone detection Tx Rx volume controls Tx Rx automatic gain control AGC Rx Automatic Volume Control AVC EarSeal Echo Canceller ESEC Acoustic Echo Canceller AEC Noise Suppression NS and programmable 13 tap Type I FIR Tx Rx compensation filters The MSM7200A device s integrated ARM9TDMI processor download...

Page 48: ...onal RAM ROM general purpose chip selects parallel LCD interface and a UART interface The function of these pins is documented in the various software releases 3 9 11 UART The MSM7200A device employs three UARTs UART1 has dedicated pins while UART2 and UART3 share multiplexed pins UART1 for Bluetooth UART2 for USIM interface UART3 for data 3 9 12 USB The MSM7200A device integrates a universal seri...

Page 49: ...r 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 using low dropout voltage regulators all derived from a common tri...

Page 51: ...ry 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 Source or e...

Page 52: ...ugh 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 mA 100 80 60 Trickle Current Unit Max Typ Min Parameter PM7540 Input Power Managem...

Page 53: ...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 900mA Nominal Battery Capacity...

Page 54: ...an advanced extensible interface AXI bus bridge or global interconnect block and communicate over a 64 bit non blocking AXI bus protocol The AXI bus bridge provides the arbitration logic for all of the bus masters y EBI1 Features Support for only low power memories at 1 8 V I O power supply voltage AXI bus frequencies up to 133 MHz A 16 bit 32 bit static and dynamic memory interface y DDR SDRAM in...

Page 55: ...plified Block Diagram of Memory Interface MSM7200A DDR SDRAM 2Gbit NAND 4Gbit SDRAM_D 31 0 SDRAM_ADDR 13 0 nSDRAM_WE nSDRAM_CS SDRAM_DCLK 1 0 SDRAM_CKE nSDRAM_RAS nSDRAM_CAS nNAND_FLASH_CS nOE2 nWE2 nUB2 nLB2 nRESETOUT1 NAND_FLASH_READY EBI2_DATA 15 0 EBI1 EBI2 External Memory MICRO SD card MMC_DATA 3 0 MMC_CMD MMC_CLK SDRAM_DQM 3 0 SDRAM_DQS 3 0 ...

Page 56: ...SBDT SSBI I F signals for control Sub chipset y TX_ON Power AMP on RF part y RX0_I Q_M P TX_I Q_M P I Q for T Rx of RF y TX_AGC_ADJ control the gain of the Tx signal prior to the power amplifier y DAC_REF Reference input to the MSM Tx data DACs B the others y TRK_LO_ADJ TCXO 19 2M Control y PA_ON0 PA_RANGE0 WCDMA 2100 TX Power Amp Enable y ANT_SEL 0 3 Ant Switch Module Mode Selection WCDMA GSM Tx ...

Page 57: ...LBP WPRXSE2_OUT WB_MX_INM WB_MX_INP TCXO DRX_IQ DRX_IQ W1900 PAM TXSAW FILTER WPRXSE2 RXSAW FILTER GPS_IN VCONT SBDT_SSBI ANT_SEL0 1 2 3 CTRL0 1 2 3 PMIC_TCXO PA_POWER_CTL GSM_PA_RAMP VAPC VPWR VBATT RX4 RX3 RX2 RX1 GSM850 EGSM900 DCS1800 PCS1900 HB_RF_IN LB_RF_IN TX SAW FILTER TX SAW FILTER RXSAW FILTER RXSAW FILTER RXSAW FILTER RXSAW FILTER RXSAW FILTER HB_RF_OUT2 WPRXHBN WPRXHBP W900 Duplexer W...

Page 58: ...here control signals are followed y USIM_CLK USIM Clock y USIM_Reset USIM Reset y USIM_Data USIM Data T Rx 3 12 2 2 UART Interface UART signals are connected to MSM GPIO through IO connector with 115200 bps speed Data_Tx Data_Rx Note UART3_TX UART3_RX Name GPIO_87 GPIO_86 GPIO_Map Table UART Interface MSM7200A PM7540 USIM MSM_USIM CLK MSM_USIM Reset MSM_USIM Data SIM Data SIM Reset SIM CLK Figure ...

Page 59: ...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 based on a embedded UTMI core with a UTMI low pin interface ULPI compatible port The MSM device s ULPI interface connects to an external ULPI PHY chip to complete the design The ULPI core embedded in the MSM along with the PM7540 IC and a USB high ...

Page 60: ...controlled by MSM7200A Refer to the Keypad circuit Power Button Key is connected to PMIC PM7540 KPD_PWR_N Table Key Matrix Mapping Table Figure Power ON OFF Suspend Button Keypad circuit CAMERA KEY_ROW 2 VOL_UP FOCUS KEY_ROW 1 Optical Joystick VOL_DOWN Multitasking KEY_ROW 0 OJ_NRST KEY_COL 1 KEY_COL 0 1 0 1 B K 0 5 0 2 0 S 4 1 C L V E 1 0 1 A V N _ R W P _ D P K Y E K F F O N O R E W O P ...

Page 61: ...LC5S0250 VA598 EVLC5S0250 VA505 3 0 5 N C 4 3 2 1 V 6 2 _ P M S M _ G E R V 100K R512 100K R513 2 W O R _ Y E K 1 L O C _ Y E K 0 W O R _ Y E K 0 W O R _ Y E K 1 W O R _ Y E K 1 W O R _ Y E K n D _ l o V p U _ l o V C v e R 3 0 6 0 C v e R 2 0 5 N C 5 4 3 2 1 VA597 EVLC5S0250 EVLC5S0250 VA596 VA595 EVLC5S0250 EVLC5S0250 VA594 2 W O R _ Y E K 0 W O R _ Y E K 1 W O R _ Y E K 0 L O C _ Y E K g n i k ...

Page 62: ..._ J O _ G E R V V 8 2 _ D C L _ G E R V 1 0 6 B F u 1 1 0 6 C 4 0 6 D 4 3 5 2 6 1 G 7 2 2 0 1 L 7 K X A 1 0 6 8 1 0 0 Y B N E 2 0 6 N C 6 5 7 4 8 3 9 2 0 1 1 1 G 2 G 3 G 4 G K 6 5 3 0 6 R V 8 2 _ J O _ G E R V u 2 2 0 1 6 C u 1 1 1 6 C 9 0 6 R K 6 5 A D S _ J O L C S _ J O N O I T O M _ J O T S R N _ J O 2 W O R _ Y E K 1 L O C _ Y E K K O k c i t S y o J l a c i t p O K O k c i t S y o J l a c i ...

Page 63: ...eparated by insulating dots The inside surface of each layer is coated with a transparent metal oxide coating that generates a gradient across each layer when voltage is applied Table MSM7200A Touch screen connections Table Recommended operation conditions Figure Touch screen circuit 4 7 4 7 4 7 4 7 3 0 6 D 4 3 5 2 6 1 0 0 1 5 0 6 R 3 0 6 N C 4 3 2 1 0 0 1 6 0 6 R 0 0 1 7 0 6 R 0 0 1 8 0 6 R L X 2...

Page 64: ...ure Schematic of Power Keypad back light circuit Figure Schematic of KEY back light circuit 0 2 2 1 0 5 3 0 0 0 Y H R E 0 3 5 R R W P V C 8 6 B S R P 3 0 5 D 2 0 5 D L L H 4 0 1 H W T C S S 3 0 5 D L L H 4 0 1 H W T C S S 0 2 2 1 0 5 3 0 0 0 Y H R E 8 1 5 R N _ V R D _ D P K 2 1 8 0 9 0 0 1 v e R 100K R527 100K R528 2 0 1 1 0 0 0 S L D E G 1 1 S C M E L 1 0 5 D L 4 3 2 1 R G B R W P V E 2 3 1 5 K ...

Page 65: ... Block diagram of Audio Sound path PCM AUDIO_I2C_SDA Head Set MIC MSM720 0A CPU BT_PCM_OUT XTALP ANT WYSBNBGX6 BT Audio Subsystem MAX9877 AEWP_T G45 SDA SCL u USB_connector BT_PCM_IN BT_PCM_SYNC BT_PCM_CLK BT_WAKEUP BT_HOST_WAKEUP AUDIO_I2C_SCL HPH_R HPH_L RCV_P RCV_N LINE_OP LINE_ON SPKL_P SPKL_N HSL HSR MIC_1P MIC_1N HS_MIC FM_ANT MAX14526 MAX14526_I2C_SDA MAX14526_I2C_SCL MAX14526_INT MAX_DM MA...

Page 66: ...the precise voltages and currents required by the codec This circuit requires a single capacitor of 0 1 μF 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 67: ... 68 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 3 Technical Brief Figure Detailed diagram of MSM7200A audio interface ...

Page 68: ... and spread spectrum modulation greatly reduces EMI while eliminating the need for output filtering used in traditional Class D devices The stereo Class AB headphone amplifier in the MAX9877 uses Maxim s patented DirectDrive architecture that produces a ground referenced output from a single supply eliminating the need for large DC blocking capacitors saving cost space and component height The dev...

Page 69: ... 70 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 3 Technical Brief Figure Detailed diagram of MAX9877 audio interface ...

Page 70: ...p 2 2 5 0 4 L n 0 7 2 3 C 1 R 4 0 1 C P 8 1 M F N 1 0 4 L F 1 0 3 5 1 0 0 Y E F S N I T U O 1 D N G 2 D N G 1 4 4 C n 9 3 S U B V _ G H C V 1 0 4 D Z F L 2 1 D S P 4 0 4 U G A T U M 5 6 0 3 S U N 4 5 3 6 2 7 1 8 9 L A M R E H T _ N I A R D N I C C V D N G T U O L R T N C E T A G N I A R D C R S 0 0 5 1 E D S P 5 3 7 0 U G 1 0 8 8 0 0 0 Y R N E 1 0 4 N C 5 1 3 1 1 1 9 7 5 4 3 2 1 4 1 2 1 0 1 8 6 T ...

Page 71: ... H 2 A N I 1 A N I 2 B N I 1 B N I T U O S A I B T U O A D S L C S N I X R N I X R GND PGND V 5 _ G E R V u 1 0 1 5 C u 1 1 1 5 C u 1 2 1 5 C n 8 1 3 1 5 C n 8 1 4 1 5 C n 0 2 2 5 1 5 C n 0 2 2 6 1 5 C u 1 7 1 5 C V 6 2 _ P M S M _ G E R V R514 4 7k 4 7k R515 7 2 9 1 5 R 7 2 1 3 5 R u 0 1 6 2 5 C 2 0 1 8 0 0 0 H B F S 4 0 5 B F 7 2 5 C I N D N _ R K P S P _ R K P S N O _ E N I L P O _ E N I L A D ...

Page 72: ...I S O M _ 7 2 O I P G K L C M M _ K L C S _ 4 2 O I P G 7 O D S 0 M W P _ 0 2 O I P G 6 O D S 1 M W P _ 1 2 O I P G 5 O D S 2 M W P _ 2 2 O I P G 4 O D S 3 M W P _ 3 2 O I P G 3 O D S M _ L C S _ 8 2 O I P G 2 O D S M _ A D S _ 9 2 O I P G 1 O D S D X R 0 O D S D X T O K L C P O C N Y S H V 8 _ 1 _ D D V G R O C N Y S V V 8 _ 2 _ O I D D V S _ A D S O C D D V S _ L C S E _ O C D D V K L C T P D D ...

Page 73: ... 11 Ground Ground GND 10 NC NC NC 9 NC NC NC 8 Ground Ground GND 7 Data line Output DATAP 6 Data line Output DATAN 5 Ground Ground GND 4 Clock line Output CLKP 3 Clock line Output CLKN 2 Ground Ground GND 1 Description TYPE NAME NO The 5M Camera module is connected to Sub board with 24pin Board to Board connector GB042 24S H10 E3000 Its interface is dedicated camera interface port in MSM7200A via ...

Page 74: ... _ A G V K L C P _ M A C 2 A T A D _ M A C 0 A T A D _ M A C 7 A T A D _ M A C 1 A T A D _ M A C 6 A T A D _ M A C 5 A T A D _ M A C 4 A T A D _ M A C 3 A T A D _ M A C C N Y S H _ M A C C N Y S V _ M A C K L C M _ M A C A R E M A C A G V R 0 0 1 5 1 0 Q 3 0 S 8 1 C R V E 1 0 7 3 1 0 0 Y E F S 1 0 6 L F 4 6 3 7 2 8 1 9 1 A _ T U O N I 1 B _ T U O N I 2 A _ T U O N I 2 B _ T U O N I 3 A _ T U O N I...

Page 75: ...O I V 3 D E L B T E S E R 4 D E L L C S 5 D E L A D S 6 D E L N I M W P W D N G D E L S A I B S S N E S S O 1 O D L D N G S O 2 O D L 2 C G O 3 O D L 1 C G O 4 O D L T2 T4 T1 T3 GND1 EVLC5S0250 VA506 C518 1u 1u C519 VA507 EVLC5S0250 V 8 2 _ D D V A _ A G V u 1 1 2 5 C u 1 2 2 5 C V 8 1 _ D D V D _ A G V V 8 2 _ F A _ M A C _ M P EVLC5S0250 VA509 EVLC5S0250 VA510 9 0 9 0 0 0 0 H B F S 5 0 5 B F 3 0...

Page 76: ...gure LCD I F Block Diagram LCD_BL_EN I2C MDDI_P_DATA_P MDDI_P_DATA_ M MDDI_P_STB_M MDDI_P_STB_P LCD_CS_N LCD_RESET_N 3 0 WQVGA LCD LCD backlight control LCD module BD6083GUL LCD Backlight Driver 2 MSM7200A 6 WLED1 6 WLED_PWR MDDI_P_DATA_P MDDI_P_DATA_ M MDDI_P_STB_M MDDI_P_STB_P LCD_CS_N LCD_RESET_N I O Vcc 1 8V Vcc 2 8V PM7540 VREG_MSME_1 8V VREG_LCD_2 8V ...

Page 77: ... O N I 3 B _ T U O N I 4 A _ T U O N I 4 B _ T U O N I G1 G2 V 8 2 _ D C L _ G E R V V 8 1 _ E M S M _ G E R V u 1 9 2 5 C u 1 0 3 5 C 2 0 5 L F M 1 0 1 P 4 1 2 F E M C I 1 0 9 5 1 0 0 Y E F S 10 9 8 4 7 3 6 2 5 1 1 P 5 P 2 P 6 P 3 P 7 P 4 P 8 P G1 G2 4 0 5 N C 0 0 0 3 E 0 1 H S 4 2 2 4 0 B G 1 0 2 4 3 0 0 Y B N E 2 1 3 1 1 1 4 1 0 1 5 1 9 6 1 8 7 1 7 8 1 6 9 1 5 0 2 4 1 2 3 2 2 2 3 2 1 4 2 P _ A ...

Page 78: ...cal Brief Table Interface between LCD Module and Main Board LED5 CA 22 MDDI_STB_M 10 LED3 CA 23 GND 11 LED1 CA 23 CS 12 GND 21 MDDI_STB_P 9 PWM 20 GND 8 OTP OPEN 19 MDDI_DATA_M 7 MAKER_ID LOW 18 MDDI_DATA_P 6 RESET 17 GND 5 VSYNC_OUT 16 LED6 CA 4 GND 15 LED4 CA 3 VCC 14 LED2 CA 2 IOVCC 13 LED AN 1 DISCRIPTION NO DISCRIPTION NO ...

Page 79: ...82 PROX_OUT Figure Proximity Sensor Block Diagram Figure Proximity Sensor Schematic K 7 4 1 2 5 R K 7 4 0 2 5 R 2 2u C535 F 0 0 S 2 0 0 P A 2 P G 1 0 5 U 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 2u C536 C533 10u 0 1 3 2 5 R V 6 2 _ I X O R P _ G E R V 3 3 2 2 5 R u 1 4 3 5 C V 6 2 _ I X O R P _ G E R V 0 1u C532 T U O _ X O R P A D S _ X O R P L...

Page 80: ... A B V 2 T A B V 1 D E L 2 D E L O I V 3 D E L B T E S E R 4 D E L L C S 5 D E L A D S 6 D E L N I M W P W D N G D E L S A I B S S N E S S O 1 O D L D N G S O 2 O D L 2 C G O 3 O D L 1 C G O 4 O D L T2 T4 T1 T3 GND1 EVLC5S0250 VA506 C518 1u 1u C519 VA507 EVLC5S0250 V 8 2 _ D D V A _ A G V u 1 1 2 5 C u 1 2 2 5 C V 8 1 _ D D V D _ A G V V 8 2 _ F A _ M A C _ M P EVLC5S0250 VA509 EVLC5S0250 VA510 9 ...

Page 81: ... 3 17 Motion Sensor Motion Sensor Schematic Motion Sensor Block Diagram 7 0 5 R K 7 4 V 6 2 _ P M S M _ G E R V V 6 2 _ P M S M _ G E R V 1 3 5 C u 1 0 1 0 3 8 7 3 0 Y S U E C F 0 6 6 7 A M M 4 0 5 U 6 5 7 4 8 3 9 2 0 1 1 1 S S V A 2 C N 1 C N D D V D D D V A S S V D 2 S S V A A D S T N I L C S K 7 4 6 0 5 R V 6 2 _ P M S M _ G E R V u 1 0 7 0 5 C A D S _ C 2 I _ N O I T O M L C S _ C 2 I _ N O I ...

Page 82: ... PCS 1900 GSM850 based GSM GPRS EDGE UMTS HSDPA 3 6Mbps 3 0 WQVGA LCD 262K TFT Touch Sensitive User Interface 5M AF Camera Stereo Headset Speaker phone 72 Poly Sound MP3 AAC AMR MIDI 3GP SMAF decoder and play MPEG4 encoder decoder and play save JPEG en decoder Supports Bluetooth and HS USB Supports WLAN Internal User Memory over 128MB 1500 mAh Li Ion Polymer Windows MobileTM 6 5 Professional Micro...

Page 83: ...rvice purposes 3 Technical Brief 2 GM750 Main Component 2 Main Components Main board Top Main board Bottom VGA Camera Luminous sensor Touch Proximity Sensor Volume SIDEKEY Multi task Camera SIDEKEY MIC SD Card RTC Battery 60pin Connector Logic Optical Joystick USIM 5Pin Connector Key Back Light RF Logic ...

Page 84: ...EGSM Rx SAW Filter FL105 GPS SAW Filter FL107 WCDMA II Coupler U108 GPS LNA U104 WCDMA I TX SAW Filter FL109 WCDMA I RX SAW Filter FL113 WCDMA II TX SAW Filter FL101 WCDMA I Duplexer FL104 WCDMA II PAM U102 WCDMA II Duplexer FL112 WCDMA Dual I VIII PAM U101 WCDMA VIII Duplexer FL110 FEM GSM PAM U107 WCDMA VIII TX SAW FL103 RTR6285 Transceiver U105 Description Reference Description Reference U105 U...

Page 85: ...in Battery Con CN402 Luminance Sensor U503 Vibrator Pad VB501 Proximity sensor U501 Audio Sub System IC501 RGB LED LD501 TCXO 19 2MHz X201 VGA Camera U601 Fuel Gauge IC U401 OpticalJoystick 10pin Con CN602 Voltage Detector U499 JTAG 14pin Con CN201 Main Sub BtoB 60pin Con CN601 MUIC IC401 PMIC PM7540 U403 LCD 24pin Con CN504 TCXO 32MHz X401 High Speed USB Tranceiver U402 MCP Hynix Memory U302 LCD ...

Page 86: ...et Key SW101 C Clip for the GPS ANT222 26MHz TCXO X201 Power ON OFF Key KB101 TCXO LDO U201 Speaker Pad CN501 Blue Tooth ANT ANT201 Wi Fi BT FM Module U202 5M Camera Connector CN102 5M Camera LDO U102 Sub To Main 60pin Con CN101 5M Camera ISP U101 Description Ref Description Ref U102 U101 Sub Board Top Sub Board Bottom CN501 KB101 CN101 CN102 ANT201 X201 U202 SW101 U201 ...

Page 87: ...All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 1 4 1 RF Component U105 U107 FL108 FL106 FL105 FL102 FL104 FL113 FL112 U101 U102 FL110 FL103 FL109 FL101 U108 U103 U106 Mobile S W Main Antenna PAD ...

Page 88: ... U107 FEM GSM PAM FL110 WCDMA VIII Duplexer U101 WCDMA Dual I VIII PAM FL112 WCDMA II Duplexer U102 WCDMA II PAM FL104 WCDMA I Duplexer FL101 WCDMA II TX SAW Filter FL113 WCDMA I RX SAW Filter FL109 WCDMA I TX SAW Filter U104 GPS LNA U108 WCDMA II Coupler FL107 GPS SAW Filter FL105 EGSM Rx SAW Filter FL102 GSM850 Rx SAW Filter U103 WCDMA I Coupler FL108 PCS Rx SAW Filter U106 WCDMA VIII Coupler FL...

Page 89: ...Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING RF component WCDMA I Diversity Antenna PAD RF component GPS LNA U104 W2100 Diversity RX SAW FL111 ...

Page 90: ...t reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 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 ...

Page 91: ...pyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING WCDMA I II and VIII Band RX Signal PATH C WCDMA 1900 RX PATH D WCDMA 900 RX PATH E WCDMA 2100 RX PATH ...

Page 92: ...nics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING WCDMA I II and VIII Band TX Signal PATH C1 WCDMA 1900 TX PATH D1 WCDMA 900 TX PATH E1 WCDMA 2100 TX PATH ...

Page 93: ...the Crystal Part 19 2MHz TP3 z H M 2 9 1 A 5 7 _ M 2 _ 9 1 _ H L 0 1 0 5 G T 1 0 2 X 3 2 4 1 T N O C V C C V D N G T U O 2 0 2 R 0 0 1 8 5 2 C n 0 1 0 6 2 C n 0 0 1 S F 4 0 H S 7 C T 2 0 2 U 2 4 1 5 C C V D N G V 5 8 2 _ O X C T _ G E R V n 1 2 6 2 C 9 5 2 C n 1 3 0 2 R K 0 0 1 4 6 2 C n 0 0 1 V 8 1 _ B S U _ G E R V 3 6 2 C p 0 0 1 p 0 0 1 5 6 2 C p 0 0 1 1 6 2 C 3 3 4 0 2 R K L C _ F E R _ H B S...

Page 94: ...ice purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING Check PM6658 Yes No Check TP1 VCC of TCXO VCC 2 8 V Check TP2 2 4V Voltage 0 4V Check TP3 19 2 MHz Signal TCXO is OK Check soldering and components Check MSM6280 Yes Yes No No Check the PM7540 Check the MSM7200A ...

Page 95: ...Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 4 Checking Front End Module FEM Block Ant_SEL3 Ant_SEL2 Ant_SEL0 Ant_SEL1 VBAT ...

Page 96: ... 1 5 2 4 2 6 1 3 2 5 1 2 2 4 1 1 2 3 1 2 1 1 1 0 1 2 9 3 1 8 6 7 1 7 T N A 1 S B 2 S B N E X T _ N I _ F R _ B H E D O M N I _ F R _ B L D V S R 1 D N G 2 D N G 4 X R 3 D N G 3 X R 4 D N G 2 X R 5 D N G 1 X R 6 D N G 7 D N G 1 A M D C W 8 D N G 2 A M D C W 9 D N G 3 A M D C W 0 1 D N G 1 1 D N G C P A V 2 1 D N G T T A B V 3 1 D N G PGND4 PGND3 PGND2 PGND1 7 4 8 1 1 R p 7 4 9 1 2 C T A B V 5 0 1 T...

Page 97: ...Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING Checking Switch Block Power Source Check TP 1 VBATT Yes No Check ANT _ SEL 0 1 2 3 High Level 1 2V Voltage 3V Check the Logic In each mode Check the TP1 VBAT ...

Page 99: ...nics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 5 1 Checking TCXO Block Refer to 4 3 4 5 2 Checking FEM Block SKY77521 Refer to 4 4 4 5 3 Checking RF TX Level Test Point TX Level TP1 TP2 TP4 TP3 ...

Page 100: ... 2 2 2 C p 3 3 4 2 2 C p 3 3 n 1 6 2 2 C p 3 3 7 2 2 C C228 100p R W P V 1 0 7 4 0 0 0 Y P D S 7 0 4 7 D M C A 2 1 1 L F 7 5 8 4 9 2 3 1 6 T N A X R X T 1 D N G 6 D N G 2 D N G 5 D N G 3 D N G 4 D N G 2 3 1 L n 6 5 0 R _ A P _ A M D C W 0 R _ A P _ A M D C W N O _ 0 0 9 _ A M D C W N O _ 0 0 1 2 _ A M D C W N O _ 0 0 9 1 _ A M D C W N I _ T E D P M _ 0 0 9 _ A M D C W _ X R P _ 0 0 9 _ A M D C W _...

Page 101: ...output is needed Check TP1 Over 21 dBm Check TP2 Over 21 dBm Check TP3 Over 21 dBm Check TP4 Over 7 dBm Check ANT_SEL 0 1 2 High Low Low Check PAM Block Refer to 1 5 4 RF Tx Level is OK Yes No Check ASM Yes No Check Duplexer Yes Yes Check RTR6285 No No RTR6285 Maximum output Power 7 dBm RTR6285 minimum output Power 80 dBm PAM ACPM 7381 Maximum input Power 10 dBm Check FEKY77521 ...

Page 102: ...or training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 5 4 Checking PAM Block PAM control signal PA_ON WCDMA_900_ON C195 WCDMA_1900_ON C228 and WCDMA_2100_ON C112 PAM Enable PA_R0 PAM Gain Control PA_ON must be HIGH over 2 6V ...

Page 103: ...ll right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING PAM IN OUT Signal When PAM is under the operation of high power mode PA_R0 C113 C220 Low PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm TP2 TP1 TP3 ...

Page 104: ... 4 7 3 8 2 9 1 0 1 1 1 D N G P T T A B V C C V N I F R 3 D N G 2 E D O M V T U O F R 1 E D O M V 2 D N G E L B A N E V 1 D N G I N D 6 0 1 L 6 7 1 C p 0 0 1 8 7 1 C p 3 3 n 2 1 0 9 1 C 5 8 1 C p 3 3 n 3 3 6 8 1 C p 0 0 1 5 9 1 C n 3 3 4 2 1 L p 3 3 5 0 2 C R W P V p 3 3 7 1 2 C 8 1 2 C p 0 2 2 100p C220 N D 2 1 L p 1 8 1 1 L p 2 2 1 2 2 C n 1 6 2 2 C p 3 3 7 2 2 C C228 100p R W P V 0 R _ A P _ A M...

Page 105: ... Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING Check TP3 Over 21 dBm Check TP2 PA_R0 2 6 V Check TP1 Over 10 dBm Set the phone Tx is ON and PDM is 210 RF Tx Level is OK Yes No Check MSM6280 Yes No Check RTR6285 Yes Change the board No Check MSM7200A ...

Page 106: ...t 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 5 5 Checking RF Rx Level Test Point RF Rx Level TP1 TP2 TP4 TP3 Bias ...

Page 107: ... T N A 1 S B 2 S B N E X T _ N I _ F R _ B H E D O M N I _ F R _ B L D V S R 1 D N G 2 D N G 4 X R 3 D N G 3 X R 4 D N G 2 X R 5 D N G 1 X R 6 D N G 7 D N G 1 A M D C W 8 D N G 2 A M D C W 9 D N G 3 A M D C W 0 1 D N G 1 1 D N G C P A V 2 1 D N G T T A B V 3 1 D N G PGND4 PGND3 PGND2 PGND1 7 4 8 1 1 R p 7 4 9 1 2 C T A B V 5 0 1 T N A 6 0 1 T N A n 0 0 1 3 3 1 L R122 130 2 L E S _ T N A 3 L E S _ ...

Page 108: ...G p 2 1 8 0 2 C n 6 5 5 2 1 L p 3 3 1 1 2 C n 2 1 4 3 1 L LDC151G8620Q 359 SCDY0004301 U108 3 2 4 1 OUT TER IN COU 2 2 2 C p 3 3 1 0 7 4 0 0 0 Y P D S 7 0 4 7 D M C A 2 1 1 L F 7 5 8 4 9 2 3 1 6 T N A X R X T 1 D N G 6 D N G 2 D N G 5 D N G 3 D N G 4 D N G 2 3 1 L n 6 5 M _ 0 0 9 _ A M D C W _ X R P _ 0 0 9 _ A M D C W _ X R 0 0 1 2 _ A M D C W _ X R X T R _ 0 0 1 2 _ A M D C W X T R _ 0 0 9 _ A M...

Page 109: ...OTING 1 TROUBLE SHOOTING Check bias block soldering Yes No Set the Phone Rx is ON Check BIAS over 2 1 V Change the board Check TP1 Signal exist Check RF Switch M S Check TP2 Signal exist Check ASM Block Refer 1 4 Check TP3 Signal exist Check Duplexer Yes Yes No No No Check TP4 Signal exist Check RTR6285 and Rx SAW filter Yes Yes No ...

Page 110: ...ning and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 6 Checking GSM Block Ant SEL3 Ant SEL2 Ant SEL0 Ant SEL1 VBAT X201 VC TCXO block Step 1 Step 2 3 1 Check TCXO Block 2 Check ANT SW Module 3 Check RF TRX Level 4 Re download SW Cal Start ...

Page 111: ... 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 6 1 Checking TCXO Block Refer to 4 3 4 6 2 Checking FEM Block Refer to 4 4 4 6 3 1 Checking RF TX level TP3 TP2 TP1 ...

Page 112: ...1 1 0 1 2 9 3 1 8 6 7 1 7 T N A 1 S B 2 S B N E X T _ N I _ F R _ B H E D O M N I _ F R _ B L D V S R 1 D N G 2 D N G 4 X R 3 D N G 3 X R 4 D N G 2 X R 5 D N G 1 X R 6 D N G 7 D N G 1 A M D C W 8 D N G 2 A M D C W 9 D N G 3 A M D C W 0 1 D N G 1 1 D N G C P A V 2 1 D N G T T A B V 3 1 D N G PGND4 PGND3 PGND2 PGND1 7 4 8 1 1 R p 7 4 9 1 2 C T A B V 5 0 1 T N A 6 0 1 T N A n 0 0 1 3 3 1 L R122 130 2...

Page 113: ... Check TP1 If GSM over 31 dBm If DCS PCS over 28 dBm Check soldering and components Start Check TCXO Block Refer to 1 3 Check TP2 3 If GSM TP2 under 6 dBm If DCS PCS TP3 under 6 dBm Change the board GSM DCS PCS Tx is OK Check other part Check Ant SW Block ASM EDGE PAM Refer to 1 4 No Yes No Yes Check RTR PAD No Problem Still exist Problem No U107 SKY77521 ...

Page 114: ... 115 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 1 TROUBLE SHOOTING 4 6 3 2 Checking RF Rx Block TP2 TP1 ...

Page 115: ...F 3 3 4 9 B 5 3 2 4 1 N I T U O 1 G 2 G 3 G 7 0 2 C I N D p 3 3 0 1 2 C 8 1 5 S M K 1 0 1 W S G1 A C G2 4 0 1 T N A 7 0 1 U 1 2 5 7 7 Y K S 31 32 33 34 5 0 3 4 9 2 8 2 0 2 7 2 9 1 6 2 8 1 5 2 4 2 6 1 3 2 5 1 2 2 4 1 1 2 3 1 2 1 1 1 0 1 2 9 3 1 8 6 7 1 7 T N A 1 S B 2 S B N E X T _ N I _ F R _ B H E D O M N I _ F R _ B L D V S R 1 D N G 2 D N G 4 X R 3 D N G 3 X R 4 D N G 2 X R 5 D N G 1 X R 6 D N ...

Page 116: ...ck an U201 SMT status by X ray Exchange U201 or Change the Main board And Retest Change or charging the Battery Check the Key Dome Change the Main board Check the TXCO NO YES YES YES YES NO NO NO 4 7 Power ON Troubleshooting Power On sequence of GM750 is END key press Æ KPD_PWR_N go to low SUB VA101 PM7540 KPDPWR_N pin C12 Æ PM7540 Power Up Æ VMSMC1_1 2V C421 VMSMC2_1 2V C423 VMSME_1 8V C418 VMSMP...

Page 117: ...eserved Only for training and service purposes 4 TROUBLE SHOOTING GM750 Main PCB Bottom R423 19 2Mhz X401 32 768Khz VA202 KPD_PWR_N go to low C418 VMSME_1 8V C421 VMSMC1_1 2V C423 VMSMC2_1 2V C458 VMSMP_2 6V C407 VMSMA_2 6V C425 VTCXO_2 85V D402 PS_HOLD GM750 SUB PCB Bottom ...

Page 118: ...m m 1 n n o C t t a B e h t o t m m 2 m m 2 1 1 2 5 7 7 Y K S e h t o t m m 2 M _ S N S I 1 0 4 D C 8 6 B S R P p 0 9 3 9 3 4 C ULCE0505C015FR VA401 0 4 4 C p 2 2 5 0 4 L n 0 7 2 3 C 1 R 4 0 1 C P 8 1 M F N 1 0 4 L F 1 0 3 5 1 0 0 Y E F S N I T U O 1 D N G 2 D N G 1 4 4 C n 9 3 S U B V _ G H C V 1 0 4 D Z F L 2 1 D S P 4 0 4 U G A T U M 5 6 0 3 S U N 4 5 3 6 2 7 1 8 9 L A M R E H T _ N I A R D N I...

Page 119: ...eck the pin and battery Connect terminals of I O connector Connection OK Change I O connector Is the u USB Cable voltage 4 8V or 5 0V Change TA or u USB Cable Is it charging properly After turning on Q401 U404 END NO Yes NO Yes NO Yes Charger Troubleshooting Flow Check an U201 SMT status by X ray Exchange U201 or Change the Main board And Retest ...

Page 120: ...1 R611 R610 R612 R601 R604 1 0 6 D 206LF 306LF 106LF Q502 302AV VA201 R606 R605 R607 R608 606C 216C 206AV R524 R527 802R R529 702R 3 0 5 Q 1 0 5 Q R525 R5 TP205 202AV TP204 C5 R5 264C 1 0 6 J 106AV 806C 9 5 4 C 5 2 4 R 6 2 5 C C5 C5 744C 706C 406AV 104BF C45 844C C45 TP201 C451 106CS C191 C163 C533 FL107 341C 081C L130 311L 4 0 1 U 311R 441C C189 651C IC401 R415 R412 R413 C458 C401 R414 C181 041C ...

Page 121: ...750 Æ VCHG_VBUS C445 go to 5V Æ VERG_USB_1 8V is about 1 8V Æ USB_DATA is triggered Æ USB work 4 9 USB trouble Start VCHG_VBUS is about to 5V MAX14526_I2C_SCL SDA Is signal out Change the Main board Check ZD402 IC401 FL401 USB cable Check IC401 NO YES YES NO Cable is insert YES Cable insert NO YES NO Check U403 VREG_USB_1 8V is about to 1 8 C456 V YES NO USB_DM DP signal is out Check U402 ...

Page 122: ...u 1 6 4 4 C 2 1 4 R K 2 2 2 0 1 8 0 0 0 H B F S 1 0 4 B F C447 390p C448 390p C449 33p R413 2K 10K R414 2K R415 V 6 2 _ P M S M _ G E R V X T _ 3 T R A U L C S _ C 2 I _ 6 2 5 4 1 X A M T N I _ 6 2 5 4 1 X A M C I M _ S H X R _ 3 T R A U A D S _ C 2 I _ 6 2 5 4 1 X A M R S H L S H P D _ X A M M D _ X A M D I _ B S U M D _ H B S U P D _ H B S U 6 2 5 4 1 X A M u 7 4 1 0 4 C 2 0 4 U T E A 8 0 5 1 P ...

Page 123: ... IC501 Audio Subsystem Æ Speaker solder PAD Æ Speaker Start Change the Main board 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 4 10 Audio trouble 4 10 1 Receiver path The sine wave appear at R519 R531 The sine wave appear at Speaker Solder pads Check the IC501 NO ...

Page 124: ...C 2 D 1 D 2 A 1 A 5 A 4 A C5 B1 A3 VSS VDD PVDD N 1 C P 1 C R P H L P H 2 A N I 1 A N I 2 B N I 1 B N I T U O S A I B T U O A D S L C S N I X R N I X R GND PGND V 5 _ G E R V u 1 0 1 5 C u 1 1 1 5 C u 1 2 1 5 C n 8 1 3 1 5 C n 8 1 4 1 5 C n 0 2 2 5 1 5 C n 0 2 2 6 1 5 C u 1 7 1 5 C V 6 2 _ P M S M _ G E R V R514 4 7k 4 7k R515 7 2 9 1 5 R 7 2 1 3 5 R u 0 1 6 2 5 C 2 0 1 8 0 0 0 H B F S 4 0 5 B F 7...

Page 125: ... 126 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING R519 R531 Speaker Solder Pads IC501 R531 R519 4 Troubleshooting ...

Page 126: ...01 u USB connector 4 10 2 Headset path Voice Multimedia play Start The sine wave appear at C515 C516 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 CN401 or change the Main b d The sine wave appear at C404 C449 Check the IC501 Or change the Main b d NO YES Or Play Mul...

Page 127: ... 0 1 8 0 0 0 H B F S 4 0 5 B F 7 2 5 C I N D N _ R K P S P _ R K P S N O _ E N I L P O _ E N I L A D S _ C 2 I _ O I D U A L C S _ C 2 I _ O I D U A N _ V C R P _ V C R L _ H P H R _ H P H R S H L S H M E Y S Y S B U S o i d u A 0 1 v e R d e g n a h c C v e R d e t e l e D 0 1 v e R 33p C404 6 C C T P W E E 6 2 5 4 1 X A M 1 0 4 C I 5 B 5 C B2 C1 C2 2 A 3 C 4 C 3 D 4 D 1 D 1 A 1 B 3 A 3 B 4 B 5 A...

Page 128: ...ight 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING C404 C449 output C515 C516 output IC501 C404 C449 C515 C516 CN401 4 Troubleshooting ...

Page 129: ...ice speaker phone Multimedia play 0 R504 1 0 5 C I 5 4 G T _ P W E A 7 7 8 9 X A M C4 D3 4 B 4 D 3 C 3 B 2 B 2 C 1 C 2 D 1 D 5 A 4 A C5 B1 A3 VSS VDD PVDD N 1 C P 1 C 2 A N I 1 A N I 2 B N I 1 B N I S A I B A D S L C S N I X R N I X R GND PGND V 5 _ G E R V u 1 0 1 5 C u 1 1 1 5 C u 1 2 1 5 C n 8 1 3 1 5 C n 8 1 4 1 5 C n 0 2 2 5 1 5 C n 0 2 2 6 1 5 C u 1 7 1 5 C V 6 2 _ P M S M _ G E R V R514 4 7...

Page 130: ...1 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING C513 C514 output IC501 C513 514 Speaker Solder Pads 4 Troubleshooting ...

Page 131: ...INE_L_IN LINE_L_IP LINE_R_IN LINE_R_IP AUXIN AUXIP MIC1N MIC1P MIC2N MIC2P HPH_VREF HPH_L HPH_R EAR1_ON EAR1_OP LINE_ON LINE_OP CCOMP AUXOUT MICBIAS TVOUT TVDAC_R_SET R E P I W R L _ M Y R U _ P Y L L _ M X L U P X 100n C245 1u C246 C248 1u C247 100n C249 100n C250 100n 100n C251 100n C252 I N D C243 C253 100n 22u C254 100n C256 C257 47p R216 4 7K S A I B _ C I M V 0 C242 FM_R FM_L L X 2 X _ H C U...

Page 132: ...9 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING Main MIC MIC501 C249 C250 FB506 C254 In case input the 1kHz tone to MIC C249 C250 4 Troubleshooting ...

Page 133: ...0n 22u C254 100n C256 C257 47p R216 4 7K S A I B _ C I M V 0 C242 FM_R FM_L L X 2 X _ H C U O T R X 1 X H C U O T LINE_ON LINE_OP RCV_N RCV_P HPH_L HPH_R MIC_1N HS_MIC D Y 1 Y _ H C U O T U Y 2 Y _ H C U O T MIC_1P Close to D4 for the TEST Deleted Rev C 33p C404 6 C C T P W E E 6 2 5 4 1 X A M 1 0 4 C I 5 B 5 C B2 C1 C2 2 A 3 C 4 C 3 D 4 D 1 D 1 A 1 B 3 A 3 B 4 B 5 A 4 A 2 D 5 D T A B B V 1 N D 2 ...

Page 134: ...nly 4 TROUBLE SHOOTING Insert Headset Make a call Change the Main b d MIC_BIAS C445 is 2 3V YES NO Can you scoping Some sound signal at R412 Change the MIC YES YES make some sound or voice to MIC Work well END YES Can you scoping Some sound signal at FB401 C252 Check the IC401 or Change the Main B d NO NO YES Start ...

Page 135: ...l Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING C252 HS_Mic R412 HS_mic_bias FB401 MIC Signal IC401 MUIC In case input the 1kHz tone to MIC C252 ...

Page 136: ...200A PM_CAM_AF _2 8V CAM_AVDD_2 8V CAM_DVDD_1 8V CAM_IOVDD _2 8V Camera is OK Check the camera conn and reconnect the camera Camera is OK Change the camera NO NO Change the Sub board End Yes End NO START 4 11 5M Camera trouble MSM7200A output signal Check 5MCAM_RESET_N CAM_MCLK YES NO Check master clock and pixel clock Check the EMI ESD filter FL101 No Change the Filter FL101 NO YES YES YES YES ...

Page 137: ...ronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 5MCAM_RESET_N D103 24MHz Master Clock from ISP D102 CAM_AVDD_2 8V FB103 PM_CAM_AF_2 8V FB104 CAM_IOVDD_2 8V FB105 CAM_DVDD_1 8V C113 48MHz Pixel Clock from ISP R108 ...

Page 138: ...8 2 O I P G 2 O D S M _ A D S _ 9 2 O I P G 1 O D S D X R 0 O D S D X T O K L C P O C N Y S H V 8 _ 1 _ D D V G R O C N Y S V V 8 _ 2 _ O I D D V S _ A D S O C D D V S _ L C S E _ O C D D V K L C T P D D V A B K L C T D D V A A T A D T X R 8 _ 2 _ A D D V B A T A D T X T 8 _ 2 _ A D D V X T _ A S S V T E S E R S N X R _ A S S V T E S E R S 1 D N G D O K C M S 2 D N G D M _ O S I M _ M _ A D S 3 D ...

Page 139: ...ted by MSM7200A VGA_AVDD_2 8V VGA_DVDD_1 8V VGA_IOVDD_2 8V Camera is OK Camera is OK Change the camera NO NO Yes Change the Sub board End Yes End NO START 4 12 VGA Camera trouble MSM7200A output signal check VGA_RESET_N YES NO Check master clock and pixel clock Check the EMI ESD filter FL201 FL202 FL203 FL201 FL202 FL203 No Change the Filter FL201 FL202 FL203 NO YES YES YES ...

Page 140: ... 141 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING 19 2MHz Pixel Clock FL603 4 Troubleshooting ...

Page 141: ...nal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING VGA_AVDD_2 8V VGA_IOVDD_2 8V C602 C604 VGA_DVDD_1 8V C603 VGA_RESET_N D605 4 Troubleshooting ...

Page 142: ...2 8V VGA_IOVDD_2 8V C604 C602 R 0 0 1 5 1 0 Q 3 0 S 8 1 C R V E 1 0 7 3 1 0 0 Y E F S 1 0 6 L F 4 6 3 7 2 8 1 9 1 A _ T U O N I 1 B _ T U O N I 2 A _ T U O N I 2 B _ T U O N I 3 A _ T U O N I 3 B _ T U O N I 4 A _ T U O N I 4 B _ T U O N I G1 5 G2 10 R 0 0 1 5 1 0 Q 3 0 S 8 1 C R V E 1 0 7 3 1 0 0 Y E F S 2 0 6 L F 10 5 4 6 3 7 2 8 1 9 1 A _ T U O N I 1 B _ T U O N I 2 A _ T U O N I 2 B _ T U O N ...

Page 143: ...ath are MSM7200A Æ 24 pin LCD connector LCD Module 4 13 Main LCD trouble The LCD works START Press Power on key to turn the power on Is the circuit powered Follow the Power ON trouble shooting LCD display OK Check VREG_LCD_2 8V VREG_MSME_1 8V LCD_RESET_N in Main BD No Yes Yes No Disconnect and reconnect 24 pin Main to LCD connector Change the Main BD No End Yes Display OK Yes No No Change the LCD ...

Page 144: ... U O N I 1 B _ T U O N I 2 A _ T U O N I 2 B _ T U O N I 3 A _ T U O N I 3 B _ T U O N I 4 A _ T U O N I 4 B _ T U O N I G1 G2 V 8 2 _ D C L _ G E R V V 8 1 _ E M S M _ G E R V u 1 9 2 5 C u 1 0 3 5 C 8 7 6 5 4 0 5 N C 0 0 0 3 E 0 1 H S 4 2 2 4 0 B G 1 0 2 4 3 0 0 Y B N E 2 1 3 1 1 1 4 1 0 1 5 1 9 6 1 8 7 1 7 8 1 6 9 1 5 0 2 4 1 2 3 2 2 2 3 2 1 4 2 N _ S C _ D C L 2 D E L W 3 D E L W 4 D E L W 6 D...

Page 145: ...s 4 TROUBLE SHOOTING 4 14 SIM Detect Troubleshooting Start Work well VRUIM_3 0V is 2 85V SIM_CLK is run Change the Main board End Check J601 Yes No YES NO Re insert the SIM card Change SIM card Work well End Yes No USIM Initial sequence of GM750 is SIM_CLK SIM_RST SIM_IO triggered Æ VRUIM_3 0V go to 2 8V Æ SIM IF work ...

Page 146: ... 4 4 5 5 6 GND VPP VREG_RUIM_3 0V VA602 SIM_RS T VA603 SIM_CLK VA601 SIM_IO VA604 1 0 6 J 6 3 5 2 4 1 C C V D N G T S R P P V K L C O _ I EVLC5S0250 1 0 6 A V k 5 1 2 0 6 R n 0 0 1 6 0 6 C p 2 2 7 0 6 C p 2 2 8 0 6 C V 0 3 _ M I U R _ G E R V EVLC5S0250 3 0 6 A V EVLC5S0250 2 0 6 A V 0 5 2 0 S 5 C L V E 4 0 6 A V 1 0 6 C S 3 2 4 1 p 3 3 2 1 6 C K L C _ M I S T S R _ M I S O I _ M I S B v e R B v e...

Page 147: ... to 0V Æ Key Backlight LED On Start Check battery NO Yes Key press Change the Main board Yes NO VPWR is above 2 6V KPD_DRV_N is 0V Yes VPWR KPD_DRV_N Check an U201 SMT status by X ray Exchange U201 or Change the Main board And Retest 0 2 2 1 0 5 3 0 0 0 Y H R E 0 3 5 R R W P V C 8 6 B S R P 3 0 5 D 2 0 5 D L L H 4 0 1 H W T C S S 3 0 5 D L L H 4 0 1 H W T C S S 0 2 2 1 0 5 3 0 0 0 Y H R E 8 1 5 R ...

Page 148: ...Start Work well VREG_MOTOR _3 0V is 3V LIN_ MOTOR_EN is high LIN_MOTOR_PWN is work End Check an U505 SMT status by X ray YES No NO YES Reboot End MOTOR MOTOR 10K R516 3 2 5 C n 9 3 1 0 5 B V 2 1 R517 240K 3 0 5 L n 2 8 V 0 3 _ R O T O M _ G E R V 3 0 8 0 0 2 0 Y S U E 0 0 1 M S 5 0 5 U 9 5 4 6 3 7 2 8 1 N E 1 V N I S S S V E P Y T C C V T C O 2 V PGND 4 0 5 L n 2 8 N E _ R O T O M _ N I L M W P _ ...

Page 149: ...Î Call connected Î Object moved at the sensor Î Control the screen s on off operation automatically Send Key click Phone call Object moved at the Proximity Sensor LCD Off No Start End NO Change the Main Board 4 17 Proximity Sensor on off trouble YES Work well U501 PROX_OUT NO Change the sensor U501 R522 VREG_PROXI_2 6V NO Change the MAIN Board YES YES Folder Assy sensor hole check YES NO Change th...

Page 150: ...F 0 0 S 2 0 0 P A 2 P G 1 0 5 U 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 2u C536 C533 10u 0 1 3 2 5 R V 6 2 _ I X O R P _ G E R V 3 3 2 2 5 R u 1 4 3 5 C V 6 2 _ I X O R P _ G E R V 0 1u C532 T U O _ X O R P A D S _ X O R P L C S _ X O R P r o s n e S y t i m i x o r P C I l o r t n o C e h t h t i W 3 0 6 0 0 1 v e R 3 0 6 0 0 1 v e R 3 0 6 0 0...

Page 151: ...Object moved at the Luminance sensor Î automatically controls brightness of the display backlight Slowly 4 18 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 Main Board YES Work well U503 GC1 2 signal output NO Change the Luminance sensor U503 BL_I2C_SDA SCL output NO Change the Main Board YES YE...

Page 152: ... T E S E R 4 D E L L C S 5 D E L A D S 6 D E L N I M W P W D N G D E L S A I B S S N E S S O 1 O D L D N G S O 2 O D L 2 C G O 3 O D L 1 C G O 4 O D L T2 T4 T1 T3 GND1 EVLC5S0250 VA506 C518 1u 1u C519 VA507 EVLC5S0250 V 8 2 _ D D V A _ A G V u 1 1 2 5 C u 1 2 2 5 C V 8 1 _ D D V D _ A G V V 8 2 _ F A _ M A C _ M P EVLC5S0250 VA509 EVLC5S0250 VA510 9 0 9 0 0 0 0 H B F S 5 0 5 B F 3 0 5 U 1 0 2 8 8 ...

Page 153: ...low Accelerometer Sensor function On Î Tilt the phone 90 Î The screen is had rotated automatically 4 19 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 MOTION_I2C_SDA SCL output NO Change the Motion sensor U504 MOTION_INT output NO Change the Main Board YES YES ...

Page 154: ... R507 MOTION_I2C_SDA R506 MOTION_INT VREG_MSMP_2 6V C507 C531 MOTION_I2C_SCL R507 7 0 5 R K 7 4 V 6 2 _ P M S M _ G E R V V 6 2 _ P M S M _ G E R V 1 3 5 C u 1 0 1 0 3 8 7 3 0 Y S U E C F 0 6 6 7 A M M 4 0 5 U 6 5 7 4 8 3 9 2 0 1 1 1 S S V A 2 C N 1 C N D D V D D D V A S S V D 2 S S V A A D S T N I L C S K 7 4 6 0 5 R V 6 2 _ P M S M _ G E R V u 1 0 7 0 5 C A D S _ C 2 I _ N O I T O M L C S _ C 2 ...

Page 155: ...d Only for training and service purposes 5 Download 5 Download Before download d a o l n w o d r o f s t n e m e r i u q e R 1 e l b a C B S U 1 P D M G L 2 C P r u o y n i d e l l a t s n i e b t s u m e x e 0 1 _ r e V _ L M _ L Q H W _ r e v i r D B S U P S _ a l y a L _ G L 3 ...

Page 156: ...A L Y A L m o r f e l b e t u c e x E 2 e x e 0 1 _ r e V _ L M _ L Q H W _ r e v i r D B S U P S _ a l y a L _ G L r e t a l r o e d i u G l l a t s n i r e v i r D B S U d b s u l l a t s n I 1 r e p o l e v e D s r e v i r s l o o t P D M G L d n a M D X Q _ T S P Q r o f e x e 0 1 _ r e V _ L M _ L Q H W _ r e v i r D B S U P S _ a l y a L _ G L r e v i r d d a o l n w o D W S e h t e d u l c ...

Page 157: ...o r f e l b a c T L e h t e v o m e r r O 2 e d o m d a o l n w o d y c n e g r e m E e d o m d a o l n w o d r e t n E 2 k c i t s y o J l a c i t p O n i y e k K O s s e r P 1 d e s s e r p e r a s y e k K O e l i h w n o t t u b n o r e w o P s s e r P 2 r g s i D E L t n o r f e h t k c e h C 3 l p s i d s i D C L e h t d n a n e e d a o l n w o d y c n e g r e m E g n i y a n e e r g s i D E ...

Page 158: ...d a o l n w o d y c n e g r e m E e d o m d a o l n w o d r e t n E 2 l u M n w o d e m u l o V s s e r P 1 y l s u o e n a t l u m i s g n i k s a t i t n o t t u b n o r e w o P s s e r P 2 l u M n w o d e m u l o V e l i h w d e s s e r p e r a s y e k g n i k s a t i t r g s i D E L t n o r f e h t k c e h C 3 l p s i d s i D C L e h t d n a n e e d a o l n w o d y c n e g r e m E g n i y a n ...

Page 159: ...r e v _ P D M G L 1 L L A e x e 4 _ 2 _ d l i u B _ 6 _ 1 _ r e V _ l a w r e t a w C P e h t n i y l n o k r o w l l i w t I d e l l a t s n i e b d l u o h s m a r g o r p y t i r u c e s G L l _ P D M G L 2 O R U E e x e 4 _ 2 _ d l i u B _ 6 _ 1 _ r e V _ e r e h w y n a k r o w l l i w t I t c e j o r p S U n o n n i y l n o d n a ڟ ڟ ڿڼۊۇۉےۊ ګڟڨٻڢڧٻۃۏۄے ۀۂڼۈۄٻڲڮ ێۈۀۏۄٻڱک ۀۏۊک ΠΨΟΝΠΒΕ ΘΖΟΖΣΒΝ...

Page 160: ...ht reserved Only for training and service purposes LGE Internal Use Only 5 Download l o o T P D M G L e t u c e x E n o i s r e v P D M G L e h t k c e h c e s a e l P 1 J 4 _ 2 _ d l i u B _ 6 _ 1 _ r e V _ P D M G L r e t a l r o 9 0 0 2 1 e n u ...

Page 161: ...for training and service purposes 5 Download t r o p M O C t c e l e S 5 o c i t r o P t c e l e S k c i l C 1 h t e e s n a c u o y n e h t n w o d n i W t r o P t c e l e S e i a v a u o y w o h s l l i w P D M G L t r o p B S U G L e l b a l n o t t u b t c e n n o C k c i l C 2 1 2 ...

Page 162: ... n w o D e g a m I W S 6 n a c u o y n o t t u b e s w o r B k c i l C 1 o f e s w o r B e h t e e s w o d n i w r e d l o F r W S e h t e d u l c n i t a h t r e d l o f e h t e s o o h C 2 d a o l n w o d o t t n a w u o y h c i h w s e g a m i n o t t u B K O k c i l C 3 2 3 1 S F E e s a r E t c e l e s t n o D Image Download general ...

Page 163: ... for training and service purposes 5 Download 1 g n i d a o l n w o D 2 e t e l p m o C d a o l n w o D 3 d a o l n w o D e g a m I W S 6 n o t t u b s e Y k c i l C 1 y n i e g a m i e h t d a o l n w o d P D M G L 3 2 e b n w o h s s a A L Y A L r u o y l l a c i t a m o t u a w o l ...

Page 164: ...m r o f o s l a n b m S F E C g n i s u y b n b m m e d o m _ s f e c _ 1 2 1 1 8 0 0 2 l o o t P D M _ G L 2 1 d a o l n w o D e g a m i S F E C M O R 7 k c e h C 1 w o l e b e k i l x o b e g a m I S F E C n o t t u B e s w o r B k c i l C 2 t a h t r e d l o f e h t e s o o h C 3 e h t e d u l c n i e g a m i S F E C r p d n a r o n b m e p y T 4 e s n a c u o y d n A y e k r e t n E s s e r e ...

Page 165: ... l i f Z D 8 a c u o y d n A n o t t u b Z D k c i l C 1 w o d n i w e l i f Z D e h t e e s n n o t t u b e s w o r B k c i l C 2 e l i f z d e h t e d u l c n i r e d l o f e h t e s o o h C 3 e l i f z d e h t e s o o h C 4 n e p O k c i l C 5 r a s e l i f y r a n i b e h T 6 w o l e b s a d e y a l p s i d e 1 2 3 4 5 6 Image Download DZ ﬁle ...

Page 166: ...ses LGE Internal Use Only 5 Download d a o l n w o d e l i f Z D 8 n o t t u b t r a t S k c i l C 1 e b o t s e l i f y r a n i b e h T 2 n i d e y a l p s i d e r a d e d a o l n w o d n o t t u b s e Y k c i l C g o l a i d a g n i d a o l n w o d t r a t s t I 3 1 2 g n i d a o l n w o D 3 ...

Page 167: ...ad d a o l n w o d e g a m i y p o c M O R 9 n o t t u b e s w o r B k c i l C 1 n i r e d l o f e h t e s o o h C 2 s e g a m i y p o c M O R e d u l c n o t t u b K O k c i l C 3 l a i d n o i t a c i f i t o n w e f A 4 K O k c i l C p u e m o c s g o g o l a i d h c a e n i n o t t u b 1 2 3 4 4 Image Download ROMcopy image ...

Page 168: ...a o w t o t n i d e d i v i d s i W S r u O e l i t a l o V n o N a e r a V N e g a m i W S a e r a o w t e d u l c n i y p o c M O R d a o l n w o d e g a m i y p o c M O R 9 k c e h C 1 n o t t u b e s w o r B k c i l C d n a P A M M O R R E T S A M n i r e d l o f e h t e s o o h C 2 s e g a m i y p o c M O R e d u l c n b m e l b a T n o i t i t r a p e s o o h C 3 n o t t u b n e p O k c i l ...

Page 169: ... c M O R 9 k c e h C 1 n o t t u b e s w o r B k c i l C d n a M O R R E T A M n i r e d l o f e h t e s o o h C 2 s e g a m i y p o c M O R e d u l c i l e p y t e l i f e h t n w o d p o r D 3 o y d n A n b m e s o o h c d n a t s s e l i f n b m e h t l l a e e s n a c u n b m e g a m I y r o t c a f e s o o h C 4 n o t t u b n e p O k c i l C 5 1 1 4 2 3 5 ...

Page 170: ...nternal Use Only 5 Download d a o l n w o d e g a m i y p o c M O R 9 n o t t u b t r a t S k c i l C 1 e b l l i w d e d a o l n w o d e b o t s e l i f y r a n i b e h T 2 n o t t u b s e Y k c i l C g o l a i d a n i d e y a l p s i d g n i d a o l n w o d t r a t s t I 3 1 2 g n i d a o l n w o D 3 ...

Page 184: ... 4 0 2 C 1 8 6 7 B 1 0 6 1 0 0 0 Y M D S 0 1 1 L F T N A X T 1 X R 2 X R 1 D N G 2 D N G 5 D N G 3 D N G 4 D N G p 3 3 5 0 2 C u 0 1 6 0 2 C 2 0 0 5 3 0 0 Y S F S 1 1 1 L F 3 3 4 9 B 5 3 2 4 1 N I T U O 1 G 2 G 3 G 7 0 2 C I N D p 2 1 8 0 2 C n 6 5 5 2 1 L p 2 2 9 0 2 C p 3 3 0 1 2 C p 3 3 1 1 2 C 2 1 2 C p 8 6 p 8 6 3 1 2 C 8 1 5 S M K 1 0 1 W S G1 A C G2 C214 0 1u 4 0 1 T N A 7 0 1 U 1 2 5 7 7 Y...

Page 185: ...6 GPIO95 GPIO94 GPIO93 GPIO92 GPIO91 GPIO90 GPIO89 GPIO88 GPIO87 GPIO86 GPIO85 GPIO84 GPIO83 GPIO82 GPIO81 GPIO80 GPIO79 4 0 2 P T 5 0 2 P T D201 KDS114E KDS114E D202 1K R209 0 1 2 R K 0 1 C 8 6 B S R P 3 0 2 D n 1 1 4 2 C V 6 2 _ P M S M _ G E R V V 6 2 _ P M S M _ G E R V R212 10K 3 6 2 C p 0 0 1 EVLC5S0250 VA203 V 6 2 _ P M S M _ G E R V 150K R214 p 0 0 1 5 6 2 C 100n C245 1u C246 C248 1u C247 ...

Page 186: ...I D _ S S V 1 L A M R E H T _ S S V 5 2 G I D _ S S V 2 L A M R E H T _ S S V 6 2 G I D _ S S V 3 L A M R E H T _ S S V 7 2 G I D _ S S V 4 L A M R E H T _ S S V 8 2 G I D _ S S V 5 L A M R E H T _ S S V 9 2 G I D _ S S V 6 L A M R E H T _ S S V 0 3 G I D _ S S V 7 L A M R E H T _ S S V 1 3 G I D _ S S V 8 L A M R E H T _ S S V 2 3 G I D _ S S V 9 L A M R E H T _ S S V 3 3 G I D _ S S V 0 1 L A M ...

Page 187: ...IN V_BACKUP VDD_ANA VDD_C1_E VDD_C2_PA VDD_GP2 VDD_GP6 VDD_MSME2 VDD_MSMP VDD_RF1 VDD_RF2 VDD_RUIM VDD_L_SPKR VDD_R_SPKR VDD_TCXO VDD_WLAN 1 _ P P M 2 _ P P M V 5 _ W S V 3 _ P P M V 5 _ G E R V 4 _ P P M 1 C M S M _ W S V 5 _ P P M 1 C M S M _ G E R V 6 _ P P M 2 C M S M _ W S V 7 _ P P M 2 C M S M _ G E R V 8 _ P P M E M S M _ W S V 9 _ P P M E M S M _ G E R V 0 1 _ P P M A P _ W S V 1 1 _ P P M...

Page 188: ...R V V 8 1 _ E M S M _ G E R V u 1 9 2 5 C u 1 0 3 5 C 1 0 3 8 7 3 0 Y S U E C F 0 6 6 7 A M M 4 0 5 U 6 5 7 4 8 3 9 2 0 1 1 1 S S V A 2 C N 1 C N D D V D D D V A S S V D 2 S S V A A D S T N I L C S K 7 4 6 0 5 R V 6 2 _ P M S M _ G E R V 3 0 8 0 0 2 0 Y S U E 0 0 1 M S 5 0 5 U 9 5 4 6 3 7 2 8 1 N E 1 V N I S S S V E P Y T C C V T C O 2 V PGND C533 10u 0 1 3 2 5 R 6 8K R524 V 6 2 _ I X O R P _ G E ...

Page 189: ... M S M _ G E R V M 1 4 0 6 R 0 0 1 5 0 6 R V 0 3 _ C M M _ G E R V V 8 2 _ J O _ G E R V u 2 2 0 1 6 C u 1 1 1 6 C 3 0 6 N C 4 3 2 1 0 0 1 6 0 6 R 2 0 6 J O 9 0 6 R K 6 5 1 1 6 J O 1 0 6 C S 3 2 4 1 0 0 1 7 0 6 R 0 0 1 8 0 6 R p 3 3 2 1 6 C 47K R610 2 1 6 J O 3 1 6 J O 4 1 6 J O 5 1 6 J O 0 1 6 J O 9 1 6 J O 8 1 6 J O 7 1 6 J O 6 1 6 J O 1 0 6 J O R611 47K 47K R612 R613 47K 47K R614 K L C _ C M M ...

Page 190: ...M A C 8 0 1 C I N D K 2 2 7 0 1 R V 8 2 _ D D V O I _ M A C n 0 2 2 9 0 1 C u 1 0 1 1 C 7 4 8 0 1 R V 8 2 _ N E _ M A C V 8 2 _ F A _ M A C _ M P p 3 3 1 9 5 C R W P V V 6 2 _ P M S M _ G E R V p 3 3 2 9 5 C C 8 6 B S R P 1 9 5 D C 8 6 B S R P 2 9 5 D 200k R109 C 8 6 B S R P 7 0 1 D u 1 1 1 1 C V 6 2 _ P M S M _ G E R V 2 0 1 B F 3 0 1 B F u 2 2 2 1 1 C u 1 3 1 1 C V 8 1 _ D D V D _ M A C V 8 2 _ ...

Page 191: ...DIO1 AUDIO2 BT_RST_N GND7 F R T D 1 8 2 K 3 0 1 P R 1 0 7 5 5 3 0 Y S U E 1 0 2 U 5 2 3 1 4 T U O V D D V D N G E C PGND N 7 8 H L 0 1 0 5 G T 1 0 9 1 0 0 0 T S X E 1 0 2 X 2 4 1 3 C N T U O D N G C C V u 2 2 2 0 2 C 2 2 2 T N A D E E F n 0 0 1 3 0 2 C n 0 0 1 4 0 2 C n 1 1 0 2 L R201 100K n 0 0 1 5 0 2 C R W P V u 0 1 6 0 2 C u 1 7 0 2 C u 7 4 3 0 2 L p 5 1 1 1 2 C FB201 u 0 1 9 0 2 C u 7 4 1 0 2...

Page 192: ... J I H G F E D C B A 9 0 1 1 1 2 1 3 1 4 1 5 1 6 1 8 1 2 3 4 5 6 7 y l n O e s U l a n r e t n I E G L A 6 D B H A P V E 1 0 1 6 0 0 0 Y C S E 1 0 1 W S C _ C B _ B D A 1 0 1 N C 5 4 3 2 1 Y E K _ g n i k s a t i t l u M 1 0 1 B K 2 W O R _ Y E K 2 W O R _ Y E K 0 W O R _ Y E K 0 W O R _ Y E K 1 W O R _ Y E K 1 W O R _ Y E K 0 L O C _ Y E K 0 L O C _ Y E K 0 L O C _ Y E K Y E K _ G N I K S A T I T...

Page 193: ... 3 1 4 1 5 1 6 1 8 1 2 3 4 5 6 7 L K J I H G F E D C B A L K J I H G F E D C B A 9 0 1 1 1 2 1 3 1 4 1 5 1 6 1 8 1 2 3 4 5 6 7 y l n O e s U l a n r e t n I E G L 1 0 1 N C 4 3 2 1 P U _ L O V 1 0 1 B K N D _ L O V 2 0 1 B K 0 W O R _ Y E K 0 W O R _ Y E K 1 W O R _ Y E K 1 W O R _ Y E K 1 L O C _ Y E K 1 L O C _ Y E K Y E K _ E D I S _ E M U L O V ...

Page 202: ...106CS C191 C163 FL501 754C 221C L109 C114 C147 841C 111C C115 C533 FL107 341C 081C L130 311L 4 0 1 U 311R 441C C189 651C IC401 R415 R412 R413 C458 C401 R414 204BF 614R FL502 454C 654C 714R R302 1 0 2 D D203 2 0 2 D C336 R219 R220 R216 C320 5 4 1 C C141 251C 911C 951C 131L 551C 611L 621C 322C 901C R112 C209 L117 701L 751C C108 L133 C166 011C 301R R101 3 0 1 T N A C181 041C 4 0 4 U C518 VA504 5 0 5 ...

Page 203: ... D605 C604 C603 C602 1 0 6 U 1 0 5 C I M C535 C536 4 3 5 C 3 2 5 R 3 0 6 N C 1 0 5 U R520 R521 R522 2 3 5 C 2 0 5 D L D603 U503 Luminance Sensor Can not control the screen s brightness automatically U601 VGA Camera Can not operate VGA Camera MIC501 MIC Can not record or send user voice CN603 Touch Window Conn Touch Window is not operating No Icon selection U501 Proximity Sensor Can not control the...

Page 204: ... X W X W j w z i z T m y W t n 8 H B C D E F G 1 9 5 C C108 D591 CN501 2 9 5 D 2 9 5 C 9 9 5 L 8 9 5 L R102 R104 3 0 1 R 7 0 1 R 6 0 1 C 4 2 1 C 1 0 1 B F C104 C107 R108 C110 C122 3 0 1 D 1 0 1 U C111 R105 C103 C105 1 2 1 C 1 0 1 R C120 D102 9 1 1 C 2 0 1 U 5 0 1 B F 3 1 1 C 0 1 1 R 3 2 1 C ANT222 U101 5M Camera ISPCan not operate 5M Camera ...

Page 205: ...1 N C 3 0 1 B F 2 1 1 C 5 2 1 C 4 1 1 C 2 0 1 B F 1 0 2 L 9 9 2 R L202 C211 9 1 2 C 1 0 2 B F 4 0 2 C 9 0 2 C 8 9 2 R 5 0 2 C 1 0 2 C 6 0 2 C 4 2 2 C L203 C212 2 0 2 U 1 0 2 T N A 7 0 2 C 6 1 2 C C221 5 1 2 C C214 C213 C203 1 0 2 R 2 2 2 C 7 0 1 D 9 0 1 R C210 3 2 2 C 2 0 2 C U202 Wi Fi BT FM ModuleCan not use WLAN Service BT andFM Radio Function CN102 Camera Conn Can not operate 5M Camera CN101 B...

Page 206: ... 207 9 PCB LAYOUT LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes w v W U X X W W _ W W r w z t h j m W t n KB101 SW101 ...

Page 208: ... 209 9 PCB LAYOUT LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes w v W U X X W X _ W W r w z s v m W t n KB101 KB102 ...

Page 210: ...GE Internal Use Only 10 Calibration 10 Calibration 9 Calibration 1 Configuration of Tachyon 1 1 Configuration of directory 1 2 Description of basic folders 1 3 Description of configuration files 2 How to use Tachyon 2 1 Model selection 2 2 Start cal auto 10 1 Calibration RF Auto Test Program Tachyon ...

Page 212: ...ester control dll Instrument Envirement files Port configuration Loss adjust Config Common dll files XML Data I O Auto Test Logic Tachyon Logic Control Communication Common Exe file and MFC dll UI dll is present Tachyon Description Folder It is described a testing procedures MODEL NAME _Sequence XML It consists of default values It is written when cal auto is begun MODEL NAME _NV INI There are imf...

Page 213: ... right reserved Only for training and service purposes 10 Calibration Follow the procedure before start calibration auto test 10 2 1 Model selection a Click the icon in tool bar Then you can see the below screen b Select the chipset Qualcomm 10 2 How to use Tachyon ...

Page 214: ... LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 10 Calibration c Select the model You should select GM750 d Select the buyer must be double clicked e Click select button ...

Page 215: ...y for training and service purposes 10 Calibration 10 2 2 Start cal auto a Click calibration auto test 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 216: ...ining and service purposes LGE Internal Use Only 11 Test Mode 11 Test Mode 0 5 7 M G _ e d o M t s e T e n o h P u n e M r e e n i g n E e h t r e t n E 1 t s e T e c i v e D 3 p a T 2 t s e T o t u A L L A 1 p a T 3 n o t t u B e d o M t s e T e n o h P T R A T S p a T 4 ...

Page 217: ... s e T y e K 1 ᐭ ᐭ n o t t u B t r a t S b a T e t a c i d n i w o r r a d e r t a h t y e k a s s e r P n o i t u a C t A k c e h c e s u o M l a c i t p O w o r r a d e r f o n o i t c e r i d e s r e v e r o t b u R n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b 俦 _ o i r a n e c S e d o M t s e T e n o h P 1 0 5 7 M G e n o h P t r a m S ...

Page 218: ...s e T ᐭ n o t t u B t r a t S b a T E D I S D E L n O D E L d e R 1 f f O D E L d e R 2 n O D E L n e e r G 3 f f O D E L n e e r G 4 n O D E L e u l B 5 f f O D E L e u l B 6 d e t a e p e r e r a 6 1 p e t S E D I S r o t a r b i V n O r o t a r b i V 1 f f O r o t a r b i V 2 d e t a e p e r e r a 2 1 p e t S r b i V d n a t s e t D E L e r a t s e T r o t a d e t a r e p o y l t n e r r u c n ...

Page 219: ... o h P 3 0 5 7 M G e n o h P t r a m S r e d r O m e t I t s e T t h g i l k c a B 3 ᐭ t s e T t h g i l k c a B t r a t S e l t t i L k r a D 1 t h g i r B k r a D s i n o i t a r e p o s i h T s e m i t o w t t a d e t u c e x e r o f t i a W d n a r o s n e s e h t r e v o r e g n i f a t u P 2 c e s 0 1 t u o b a n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b ...

Page 220: ...E Internal Use Only 11 Test Mode r e d r O m e t I t s e T l l e B 3 P M 4 ᐭ ᐭ t r a t S t s e T l l e B 3 P M d e y a l p s i 3 P M e n o t g n i R y l r a l u g e r n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b 俦 _ o i r a n e c S e d o M t s e T e n o h P 4 0 5 7 M G e n o h P t r a m S ...

Page 221: ... h t n e h t n o t t u b d n e S s s e r P 3 s i w e i v e r p a r e m a c r e t u o d e y a l p s i d n e h t n o t t u b a r e m a c s s e r P 4 d e y a l p s i d s i e n e c s d e r u t p a c e h t n e h t n o t t u b d n e S s s e r P 5 s i w e i v e r p a r e m a c o e d i V s t r a t s g n i d r o c e R d e y a l p s i d y l l a c i t a m o t u a e h t n e h t d n A 6 s i e n e c s d e d r o...

Page 222: ...d r O m e t I r o s n e S o r y G 6 t s e T ᐭ ᐭ n o t t u B t r a t S b a T e c i v e d e h t e t a t o R 1 d e v o m s i e c i v e D e t a t o R 2 e l i h w a r o f t i a w d n a n i a g a e t a t o R 3 n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b 俦 _ o i r a n e c S e d o M t s e T e n o h P 6 0 5 7 M G e n o h P t r a m S ...

Page 223: ... s e T r o s n e S ᐭ ᐭ n o t t u B t r a t S b a T n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b 俦 _ o i r a n e c S e d o M t s e T e n o h P 7 0 5 7 M G e n o h P t r a m S n o t t u b e t a r b i l a c s s e r P 1 d e z i l a i t i n i s i t i e h t r e g n i f a t u P 2 n e h t d n a r o s n e s e h t r e v o f f o d e n r u t s i d e y a l p s i d D C L ...

Page 224: ...nal Use Only 11 Test Mode r e d r O m e t I t s e T h c u o T 8 ᐭ ᐭ n o t t u B t r a t S b a T n o i t p i r c s e D ᐮ S E Y b a t K O F I n o t t u b s i s e t o n s i h T 1 d e y a l p s i d K O b a T 2 t i x e o t n o t t u b 俦 _ o i r a n e c S e d o M t s e T e n o h P 8 0 5 7 M G e n o h P t r a m S ...

Page 226: ...ernal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 1 2 3 6 11 12 15 14 22 56 55 53 52 51 49 48 46 45 44 43 41 40 39 38 47 42 59 50 57 58 33 34 32 25 22 21 19 18 20 23 24 27 20 28 36 37 35 27 29 31 4 5 7 8 9 13 16 17 ...

Page 228: ...02 T2 VDF Body 9501 400ea Pallet Assy WITHOUT COLOR 4 MCJZ00 COVER MCJZ0030503 1156 736 105 TDR2 1200 800 B Without Color 4 MPCY00 PALLET MPCY0009501 PALLET G7100 for Orange UK_EUR BLACK 3 MBAD00 BAG VINYL PE MBAD0005204 COMPLEX empty Without Color 3 MLAC00 LABEL BARCODE MLAC0004541 PRINTING empty Without Color 3 MLAZ00 LABEL MLAZ0050901 PRINTING empty WITHOUT COLOR 3 MPAE00 PACKING BLISTER MPAE00...

Page 229: ...DICATOR LED MIAA0027601 MOLD PC LUPOY GP 1000L MATALLIC BLACK 13 5 MPBH00 PAD MIKE MPBH0051001 COMPLEX empty BLACK 12 5 MTAD00 TAPE WINDOW MTAD0112901 COMPLEX empty BLACK 4 5 MTAJ00 TAPE FLEXIBLE PCB MTAJ0024301 COMPLEX empty BLACK 8 4 AFBZ00 FRAME ASSY AFBZ0014101 MIDDLE SIDE DARK SILVER E 5 MBJL00 BUTTON SIDE MBJL0098001 COMPLEX empty TITANIUM 33 5 MBJL01 BUTTON SIDE MBJL0097801 COMPLEX empty TI...

Page 230: ...UPOY GP 1000L MATALLIC BLACK 6 4 MPBG00 PAD LCD MPBG0097701 COMPLEX empty BLACK B 16 4 MPBJ PAD MOTOR MPBJ0071101 COMPLEX empty BLACK 11 4 MPBN00 PAD SPEAKER MPBN0080401 COMPLEX empty BLACK F 37 4 MPBT PAD CAMERA MPBT0081401 COMPLEX empty BLACK 10 4 MTAB00 TAPE PROTECTION MTAB0335001 COMPLEX empty TRANSPAR ENT 2 4 MTAB01 TAPE PROTECTION MTAB0351501 COMPLEX empty TRANSPAR ENT 1 4 MTAB02 TAPE PROTEC...

Page 231: ...Z00 TAPE MTAZ0264501 COMPLEX empty BLACK 7 5 MPBZ PAD MPBZ0266601 COMPLEX empty WITHOUT COLOR 5 MPBZ00 PAD MPBZ0266601 COMPLEX empty WITHOUT COLOR 7 MGAZ00 GASKET MGAZ0078801 COMPLEX empty WITHOUT COLOR 7 MGAZ01 GASKET MGAZ0078501 COMPLEX empty WITHOUT COLOR 7 MTAZ00 TAPE MTAZ0256401 COMPLEX empty BLACK 7 MTAZ01 TAPE MTAZ0259701 COMPLEX empty BLACK 8 ANT222 CONTACT ANTENNA MCIA0019501 PRESS BeCu W...

Page 232: ...Y00 SWITCH TACT ESCY0006101 15 V 20 mA HORIZONTAL 1 G 1C1P empty empty empty empty 7 SPKY PCB SIDEKEY SPKY0078001 POLYI mm MULTI 2 5 SAJY PCB ASSY SUB SAJY0044201 H 43 6 SAJB00 PCB ASSY SUB INSERT SAJB0021701 7 BRAH00 RESIN PC BRAH0001301 empty Black 7 SNGF00 ANTENNA GSM FIXED SNGF0051902 3 0 2 0 dBd GPS BAND1 DIVERSITY INTERNAL DUAL 3 0 50 2 0 7 SUSY00 SPEAKER SUSY0027506 ASSY 8 ohm 90 dB 1812 mm...

Page 233: ...HIP MAKER ECZH0000822 1 5 pF 50V C NP0 TC 1005 R TP 8 C212 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 8 C213 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 8 C214 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 8 C215 CAP CERAMIC CHIP ECCH0000109 8 pF 50V D NP0 TC 1005 R TP 8 C216 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 8 C220 CAP CERAMIC CHIP EC...

Page 234: ...tooth FM Module 9 x 7 8 x 1 2 BCM4325 Bluetooth 8 VA101 VARISTOR SEVY0001001 14 V SMD 50pF 1005 8 X201 TCXO EXST0001901 26 MHz 2 5 PPM 10 pF SMD 32 15 1 0 TI_WL1251 2 5PPM 2 8V SMD R TP 7 SAJD00 PCB ASSY SUB SMT TOP SAJD0036601 8 C103 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 8 C104 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 8 C105 CAP CHIP MAKER ECZH0003103 0 1 uF 1...

Page 235: ...J 1608 R TP 8 R101 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 8 R102 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 8 R103 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 8 R104 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 8 R105 RES CHIP ERHY0003301 100 ohm 1 16W J 1005 R TP 8 R107 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 8 R108 RES CHIP MAKER ERHZ00004...

Page 236: ...P CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C117 CAP CERAMIC CHIP ECCH0017601 4 7 uF 6 3V M X5R HD 1005 R TP 20 6 3V X5R 55TO 85C 1005 R TP mm 6 C118 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C119 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C120 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C121 CAP CERAMIC CHIP ECCH0002001 0 1 uF 6 3V K B HD...

Page 237: ...007802 4 7 uF 10V M X5R TC 1608 R TP 6 C147 CAP CHIP MAKER ECZH0000846 8 2 pF 50V C NP0 TC 1005 R TP 6 C148 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C149 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C150 CAP CERAMIC CHIP ECCH0000901 2 2 pF 50V C NP0 TC 1005 R TP 6 C151 CAP CERAMIC CHIP ECCH0002001 0 1 uF 6 3V K B HD 1005 R TP empty empty empty empty empty empty 5 mm ...

Page 238: ...00830 33 pF 50V J NP0 TC 1005 R TP 6 C177 CAP CERAMIC CHIP ECCH0000195 3 9 pF 50V C NP0 TC 1005 R TP 6 C178 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C181 CAP CERAMIC CHIP ECCH0000183 1 8 pF 50V C NP0 TC 1005 R TP 6 C182 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C183 CAP CHIP MAKER ECZH0000839 4 7 pF 50V C NP0 TC 1005 R TP 6 C184 CAP CHIP MAKER ECZH0000830 33 pF 50...

Page 239: ...AP CHIP MAKER ECZH0000844 68 pF 50V J NP0 TC 1005 R TP 6 C214 CAP CERAMIC CHIP ECCH0002001 0 1 uF 6 3V K B HD 1005 R TP empty empty empty empty empty empty 5 mm 6 C215 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C217 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C218 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C219 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0...

Page 240: ...ESR 1608 R TP 6 C256 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C257 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C258 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C259 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C260 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C261 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP ...

Page 241: ...ty empty empty empty 0 8 mm 6 C316 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C317 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C318 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C319 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C320 CAP CERAMIC CHIP ECCH0000147 2 2 nF 50V K X7R HD 1005 R TP 6 C321 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7...

Page 242: ...05 R TP 6 C404 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C405 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C406 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 6 C407 CAP CERAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C408 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C409 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R T...

Page 243: ...05 R TP 6 C439 CAP CERAMIC CHIP ECCH0000138 390 pF 50V K X7R HD 1005 R TP 6 C440 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C441 CAP CHIP MAKER ECZH0001120 3 9 nF 50V K X7R HD 1005 R TP empty empty empty empty empty empty 6 C442 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C443 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C444 CAP CHIP MAKER ECZH000440...

Page 244: ...pty empty empty empty empty 0 8 mm 6 C469 CAP TANTAL CHIP ECTH0001903 22 uF 6 3V M L_ESR 1608 R TP 6 C470 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C472 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C473 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 C475 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005...

Page 245: ... empty empty empty empty 0 8 mm 6 C601 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C606 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C607 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C608 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C609 CAP CERAMIC CHIP ECCH0002001 0 1 uF 6 3V K B HD 1005 R TP empty empty empty empty empty empty 5 mm 6 C...

Page 246: ...SFBH0008102 1800 ohm 1005 Bead 6 FB504 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 6 FB505 FILTER BEAD CHIP SFBH0000909 60 ohm 1005 6 FB506 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 6 FB601 FILTER BEAD CHIP SFBH0007102 10 ohm 1005 Ferrite Bead 6 FL101 FILTER SAW SFSY0036601 1880 MHz 1 4 1 1 0 45 SMD 1850 625M 1909 375M IL 3 8 U U 50_0 3 50_0 3 USPCS Tx 1880 1 4 1 1 0 45 SMD R TP 6 FL102 ...

Page 247: ...6 FL501 FILTER EMI POWER SFEY0011701 SMD SMD 18 V 4ch EMI_ESD Filter 10 Ohm 7 5pF 6 FL502 FILTER EMI POWER SFEY0015901 SMD ESD Common mode Filter Filter LCR 6 FL601 FILTER EMI POWER SFEY0013701 SMD 18 V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 FL602 FILTER EMI POWER SFEY0013701 SMD 18 V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 FL603 FILTER EMI POWER SFEY0013701 SMD 18 V 4ch EMI_ESD Filter 100 Ohm 7 5pF 6 IC40...

Page 248: ...R CHIP ELCH0004727 100 nH J 1005 R TP 6 L134 INDUCTOR CHIP ELCH0004707 1 5 nH S 1005 R TP 6 L135 INDUCTOR CHIP ELCH0004720 1 2 nH S 1005 R TP 6 L401 INDUCTOR SMD POWER ELCP0008005 4 7 uH M 2 5X2 0X1 0 R TP MLCI 20 SHIELD 2 5X2X1MM empty R TP Inductor Wire Wound Chip 6 L402 INDUCTOR SMD POWER ELCP0008005 4 7 uH M 2 5X2 0X1 0 R TP MLCI 20 SHIELD 2 5X2X1MM empty R TP Inductor Wire Wound Chip 6 L403 I...

Page 249: ...R ERHZ0000506 6800 ohm 1 16W J 1005 R TP 6 R116 RES CHIP ERHY0000105 51 ohm 1 16W F 1005 R TP 6 R117 RES CHIP MAKER ERHZ0000212 12 Kohm 1 16W F 1005 R TP 6 R118 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R119 RES CHIP ERHY0009524 47 ohm 1 20W 0 05W J 0603 R TP 6 R120 RES CHIP ERHY0024601 150 ohm 1 20W 0 05W J 0603 R TP 150 0 05 1 20W 0603 R TP 6 R121 RES CHIP ERHY0024601 150 ohm 1 20W 0...

Page 250: ...0484 470 ohm 1 16W J 1005 R TP 6 R302 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R401 RES CHIP MAKER ERHZ0000402 10 ohm 1 16W J 1005 R TP 6 R402 RES CHIP ERHY0009516 2 2 Kohm 1 20W 0 05W J 0603 R TP 6 R404 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R405 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R406 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 6 R407 RE...

Page 251: ... 20W 0 05W J 0603 R TP 6 R507 RES CHIP ERHY0009526 4 7 Kohm 1 20W 0 05W J 0603 R TP 6 R508 RES CHIP ERHY0000254 4 7K ohm 1 16W J 1005 R TP 6 R509 RES CHIP ERHY0000254 4 7K ohm 1 16W J 1005 R TP 6 R511 RES CHIP ERHY0009506 100 Kohm 1 20W 0 05W J 0603 R TP 6 R512 RES CHIP ERHY0009506 100 Kohm 1 20W 0 05W J 0603 R TP 6 R513 RES CHIP ERHY0009506 100 Kohm 1 20W 0 05W J 0603 R TP 6 R514 RES CHIP ERHY000...

Page 252: ...2 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R613 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R614 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 S601 CONN SOCKET ENSY0023301 8 ETC 0 7 mm H 1 52 15 15 6 SPFY PCB MAIN SPFY0208201 FR 4 mm LX BUMP 10 6 SW101 CONN RF SWITCH ENWY0008101 3 0 H 1 8 3 2 3 0 SMD dB 0 13MM STRAIGHT SOCKET SMD empty empty 6 U101 PAM SMPY0018801...

Page 253: ... EUSY0383101 CSP 35 R TP 3 15x3 15x0 55 IC Sub PMIC 6 U504 IC EUSY0378301 DFN 10 R TP 3 Axis Acceleration Sensor 3 3 IC PMIC 6 U505 IC EUSY0200803 MFL 8 R TP Haptic Driver IC 2X2 IC Motor Driver 6 VA201 VARISTOR SEVY0005201 5 5 V SMD 1005 50pF 6 VA202 VARISTOR SEVY0005201 5 5 V SMD 1005 50pF 6 VA203 VARISTOR SEVY0005201 5 5 V SMD 1005 50pF 6 VA401 VARISTOR SEVY0007301 5 V 0 5pF SMD 6 VA504 VARISTO...

Page 254: ...198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C536 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C602 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C603 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C604 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C605 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 CN603 CONNECTOR ETC ENZY0020701 4 PIN mm...

Page 255: ...G Electronics Inc All right reserved Only for training and service purposes 12 EXPLODED VIEW REPLACEMENT PART LIST Level Location No Description Part Number Spec Color Remark 6 U601 CAMERA SVCY0019901 CMOS VGA Toshiba 1 10 4x4x2 23t Reflow Type ...

Page 256: ...LYMER SBPP0027401 3 7 V 1500 mAh 1 CELL PRISMATIC 454261 WW LABEL PRISMATIC BLACK GRAY K 56 3 SGDY00 DATA CABLE SGDY0017401 empty empty 1 2M 26AWG BLACK empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0005595 RMS 20mW 0 56V RMS 16 OHM 116dB 1KHZ 3mW 96dB100HZ 116dB 1KHZ empty BLACK 3 5PI 3POLE PLUG HIRO CANAL MICRO 5P PLUG Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0035001 100 240V 5060 Hz 4 8 V 1 A CE ...

Search results

Summary of Contents for Vodafone GM750

Reviews:

Related manuals for Vodafone GM750

Brands by name

Popular brands

LG Vodafone GM750, Service Manual

Search results

Summary of Contents for Vodafone GM750

Reviews:

Related manuals for Vodafone GM750

Brands by name

Popular brands