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E. Notice of Radiated Emissions

This model complies with rules regarding radiation and radio frequency emission as defined by local
regulatory agencies. In accordance with these agencies, you may be required to provide information
such as the following to the end user.

F. Pictures

The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly
different.

G. Interference and Attenuation

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 Devices(ESD),are indicated

by the sign .

Following information is ESD handing:
.

Service personnel should ground themselves by using a wrist strap when exchange system boards.

.

When repairs are made to a system board , they should spread the floor with anti-static mat which is

also grounded .

.

Use a suitable, grounded soldering iron .

.

Keep sensitive parts in these protective packages until these are used.

.

When returning system boards or parts like EEPROM to the factory, use the protective packages as

described.

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Содержание GB107

Страница 1: ...1 GB107 Service Manual LG Electronics ...

Страница 2: ... 1 RF Trouble 41 4 2 TX Trouble 47 4 3 Power On Trouble 51 4 4 SIM Card Trouble 54 4 5 Vibrator Trouble 56 4 6 Keypad Trouble 58 4 7 RTC Trouble 60 4 8 Key Backlight Trouble 62 4 9 LCM Backlight Trouble 65 4 10 LCD Trouble 67 4 11 Microphone Trouble 69 4 12 Receiver Trouble 71 4 13 Speaker Trouble 73 4 14 Headphone Trouble 75 4 15 Charging Trouble 79 4 16 FM Radio Trouble 81 5 DOWNLOAD 86 5 1 Down...

Страница 3: ... be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not don...

Страница 4: ...ical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Devices ESD are indicated by the sign Following information is ESD handing Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system board they s...

Страница 5: ...nd 3V KEY Back Light Yes KEY Back Light color Blue 850 MHz class 4 2W 850 1900 GB101a GB107a 900 MHz class 4 2W 900 1800 GB101 GB107 GB101b GB107b 1800 MHz class 1 1W 900 1800 GB101 GB107 GB101b GB107b Frequency 1900 MHz class 1 1W 850 1900 GB101a GB107a Standby Time Shall support minimum test minutes as min based on battery capacity of mAh 440 hrs 2 1mA 950mAh P P 5 Talk Time Shall support minimu...

Страница 6: ...rate Ring Vibrate Ring after vibrate Silent Y Earpiece Volume 6 Level Include Mute Y Audio Mute Y GSM dual band MS 900 1800 N Frequency Bands PCS dual band MS 850 1900 Configuration is during software compile time Y Circuit N Date Service Packet N Infrared IrDA N Bluetooth N USB N USB Mass storage N Connectivity RS232 UART Only for Phone tool download Y Voice Recording N Voice Command N Voice Func...

Страница 7: ...Answer Y Auto Redial Y Calling Line Y Full Call Divert Y Speed Dialing Y Last Number Redial Y Multi Party Call Y Call Management ECT Explicit Call Transfer 4 Send Y Automatic Network Selection Y Manual Network Y Preferred Network Y Network Network Service Status Y DTMF Signaling Y DTMF DTMF Enable Disable Y Read Cell Broadcast Y On Off setting Receive On Off Y Alert setting Y Language setting Y Ce...

Страница 8: ...Calls except those directed to the Home PLMN Country Y BAIC Barring of All Incoming Calls Y BICRoam Barring of Incoming Calls when Roaming Outside the Home PLMN Country Y Supplementary Services Conference Call Up to 5 calls 1 Waiting Call Y Plug in Type 3V 1 8 V Y SIM Lock Service Provider Network Lock Hard Lock Y SIM SIM Toolkit Class 3 Y Read Message Y Write and Edit Message Y Send and Receive M...

Страница 9: ...ry Charging Mode Y Language Selectable Auto Language Y Text Input Predictive word input T9 Y Calendar MAX 20 records 18 chars Y To Do N Scheduler Memo MAX 10 records 80 chars Y Setting Local Time Y Display Two Cities Time Dual Clock N Daylight saving World Time NITZ Y Unit converter Length Weight Volume Surface Velocity Temperature User defined Y Stop Watch Y Calculator Y Phone Book Sync Only For ...

Страница 10: ...er Y Dimming Clock N Power off Alarm Y Real Time Clock On Alarm Event Y Mobile Tracking software For India Asia Y Others M DOG For China Y Micro SD Adapter N Accessory Stereo Ear mic without hook switch Ear mic type Stereo without hook key Only FM play supports Stereo Y ...

Страница 11: ...11 3 TECHNICAL BRIEF Digital Main Processor Figure 3 1 PMB7880 FUNCTIONAL BLOCK DIAGRAM ...

Страница 12: ...12 ...

Страница 13: ...ct conversion receiver with fully integrated blocking filter Two integrated LNAs No need of interstage and IF filter Highly linear RF quadrature demodulator Programmable DC output level Very low power budget Transmitter Digital Sigma Delta modulator for GMSK modulation typical 163 5 dBc Hz 20 MHz Single ended outputs to PA Pout 3 5 dBm Very low power budget RF Synthesizer ΣΔSynthesizer for multi s...

Страница 14: ...asurement interfaces PA temperature battery voltage battery temperature and ambient temperature Differential microphone input System start up circuitry Charger circuitry for NiCd NiMh and LiIon cells Integrated regulators for direct connection to battery ...

Страница 15: ...transmit direction the differential microphone signal is fed into a programmable gain amplifier The prefiltered and A to D converted voice signal forms a 2 Mbit s data stream The oversampled voice signal passes a digital decimation filter The E GOLDvoice performs speech and channel encoding including voice activity detection VAD and discontinuous transmission DTX and digital GMSK modulation In the...

Страница 16: ...nd the Cerberus 3 1 13 TEAKLite Debug Concept TEAKlite debugging uses the OCEM and the SEIB 3 1 14 Power Management The E GOLDvoice provides the power management unit PMU for the complete mobile phone application The integrated PMU is directly connected to the battery and provides a set of linear voltage regulators LDO s These LDO s generate all required supply voltages and currents needed in a lo...

Страница 17: ...curity features use the following mechanism Boot ROM flow Controls the boot transition to external flash Controls the flash update Flash tied to the individual chip via an ID using e fuses that is each E GOLDvoice chip has its own fused ID Further details on the E GOLDvoice security concept are not publicly documented 3 1 16 Asynchronous Operation Mode Concept The E GOLDvoice can operate in either...

Страница 18: ... for 50 Ω input and output impedances TX harmonics filtering high linearity and low insertion loss PHEMT RF switches diplexer and a Power Amplifier Control PAC block with internal current sense resistor A custom BiCMOS integrated circuit provides the internal PAC function and decoder circuitry to control the RF switches The two Heterojunction Bipolar Transistor HBT PA blocks are fabricated onto a ...

Страница 19: ... VLOGIC pad This feature provides additional flexibility for the designer in the selection of FEM interface control logic 3 2 2 GB100a GB105a SKY77517 Figure 3 2 2 SKY77518 FUNCTIONAL BLOCK DIAGRAM The SKY77517 21 is a transmit and receive front end module FEM with Integrated Power Amplifier Control iPAC for dual band cellular handsets comprising GSM850 and PCS1900 operation Designed in a low prof...

Страница 20: ... substrate The assembly is encapsulated with plastic overmold Band selection and control of transmit and receive modes are performed using two external control pads Refer to the functional block diagram in Figure 3 2 2 below The band select pad BS selects between GSM and PCS modes of operation The transmit enable TX_EN pad controls receive or transmit mode of the respective RF switch TX logic 1 Pr...

Страница 21: ...XO This linearization unit computes the required digital control word out of the programmed AFC bits in order to have a linear pulling curve ppm vs AFC word The resulting digital control word DIG is filtered by a digital lowpass filter which can be scaled or deactivated using the bits DIGFILT0 and DIGFILT1 of the XO_INIT3 register The frequency correction splits into 2 parts 1 The XOCAL bits in th...

Страница 22: ...22 RTC 32 768KHz Crystal Figure 3 4 E GoldVoice RTC Interface ...

Страница 23: ...23 3 5 LCD Interface 3 wire SPI interface Figure 3 5 1 LCD Interface Figure 3 5 2 Charging PUMP Interface ...

Страница 24: ...24 ...

Страница 25: ...25 3 6 SIM Card Interface Figure 3 6 SIM CARD Interface ...

Страница 26: ...26 3 7 KEYPAD Interface Figure 3 7 KEY MAXTRIX Interface ...

Страница 27: ...27 3 8 Battery Charging Block Interface Figure 3 8 Charging IC Interface ...

Страница 28: ...28 3 9 RF Interface Figure 3 9 RF Module SAW Filter Interface ...

Страница 29: ...29 ...

Страница 30: ...30 3 10 Audio Interface Figure 3 10 1 Audio Interface ...

Страница 31: ...31 ...

Страница 32: ...32 Figure 3 10 2 Main Speaker Receiver Interface ...

Страница 33: ...33 Figure 3 10 3 Main Microphone Interface Figure 3 10 4 Headset Interface ...

Страница 34: ...34 3 11 Key LED Interface Figure 3 11 Key LED Interface This handset has 8 LEDs that illuminates blue color Control signal is controlled by E GoldVoice with PWM and handset has 3 methods ON OFF Dimming ...

Страница 35: ...35 3 12 Vibrator Interface Figure 3 12 Vibrator Interface This handset has Vibrator operation Control signal is controlled by E GoldVoice with PWM ...

Страница 36: ...36 3 13 Memory Interface Figure 3 13 Memory Interface ...

Страница 37: ...e Figure 3 1 E GOLDvoice Block Diagram That means all supply voltages needed are generated on chip with integrated linear voltage regulators The input of these linear voltage regulators is the battery voltage The externalmemory and SIM card supply is provided by the on chip voltage regulators Figure 3 14 2 is an overview of the internal generated supply voltages ...

Страница 38: ...operation phases of the E GOLDvoice Current consumption during the standby mode is minimized by reducing the clock to 32 kHz and switching it off for most of the device In addition the power supply for the TEAKLite ROM is switched off and the controller RAM is switched to a power saving mode Start up and Reset Control State Machine Features Power up upon battery insertion push button alarm charger...

Страница 39: ...39 3 15 FM Radio Interface GB105 GB105b only Figure 3 15 FM Radio Interface ...

Страница 40: ...s around to the upper byte of register 00h and proceeds from there until continuous writes cease Data transfer ceases with the STOP command After every STOP command the internal address counter is reset For read operations the device acknowledge is followed by an eight bit data word shifted out on falling SCLK edges An internal address counter automatically increments to allow continuous data byte...

Страница 41: ...41 ...

Страница 42: ...42 PAM Matching component Mobile SW Antenna Matching component Antenna connect point ...

Страница 43: ...43 ...

Страница 44: ...44 ...

Страница 45: ...45 ...

Страница 46: ...46 ...

Страница 47: ...47 ...

Страница 48: ...48 TP2 TP1 TP3 ...

Страница 49: ...49 TP2 TP1 TP3 ...

Страница 50: ...50 ...

Страница 51: ...uble Test Point Check Points Battery Voltage Need to over 3 35V Power On key detection PWRON signal Outputs of LDOs U101 EGV Voltage PART VBUF 2 8V TP1 VMEM 2 8V TP2 VIO 2 8V TP3 VSIM 2 85V TP4 VRF0 1 5V TP5 VANA 2 5V TP6 ...

Страница 52: ...52 Circuit Diagram TP5 TP6 TP1 TP3 TP4 TP2 ...

Страница 53: ...ge 3 35V Start Charge or Change Battery Push Power_ON key and check the level change of PWRON key Replace U101 Check the Voltage of LDOs Output U101 The Phone will Power LDO Voltage VBUF 2 8V VMEM 2 8V VIO 2 8V VSIM 2 85V VRF0 1 5V VANA 2 5V NO NO NO YES YES YES ...

Страница 54: ...54 4 4 SIM Card Trouble Test Point Circuit Diagram ...

Страница 55: ...y 2V or 3V SIM Card Does the SIM Card supports 2V or 3V Start Resolder J201 or other component Check solding status of J201 and other component R201 C203 C204 C205 Change Board Check TP1 2 85V NO NG NG YES YES Re download the SW Change Board Check Operation NO ...

Страница 56: ...56 4 5 Vibrator Trouble Test Point Circuit Diagram ...

Страница 57: ...57 Checking Flow Change Board Check Voltage Level of TP1 TP1 2 8V Start Change U506 Check Voltage level of TP2 0V NG NG OK OK Enter the Engineer Mode and set Vibrator ON Replace Vibrator ...

Страница 58: ...58 4 6 Keypad Trouble Test Point Circuit Diagram ...

Страница 59: ...59 Checking Flow Change Metal Dome Check Metal Dome Start Change PCB NG OK ...

Страница 60: ...60 4 7 RTC Trouble Test Point Circuit Diagram ...

Страница 61: ...ng Flow Replace X102 and try again Is the Frequency about 32kHz Start Replace C122 C123 Check soldering status of C122 C123 Replace C101 Check Voltage Level of TP1 2V RTC will work properly NO NO NO YES YES YES ...

Страница 62: ...62 4 8 Key Backlight Trouble Test Point ...

Страница 63: ...63 Circuit Diagram ...

Страница 64: ...5 or Change PCB Check Voltage Level of TP1 2 8V Start Replace Component D501 D502 D503 D504 D505 R5 01 R507 R506 R508 R510 R513 Check LED Component D501 D502 D503 D504 D505 R 501 R507 R506 R508 R510 R51 3 NO NO YES YES Change PCB ...

Страница 65: ...65 4 9 LCM Backlight Trouble Test Point Circuit Diagram ...

Страница 66: ...66 Checking Flow Replace R408 or Change PCB Check Voltage Level of TP1 TP2 as 2 8V step waveform Start Replace U401 Check Voltage Level of TP3 as 4 9V step waveform NO NO YES YES Change PCB ...

Страница 67: ...67 4 10 LCM Trouble Test Point Circuit Diagram Checking Flow ...

Страница 68: ...Change PCB Backlight is OK Start Replace Component or LCM Check Control Signal and power including soldering status as the waveform NO NG YES OK Change PCB Replace J401 Check soldering status of J401 NG OK ...

Страница 69: ...69 4 11 Microphone Trouble Test Point Circuit Diagram Checking Flow ...

Страница 70: ...70 4 12 Receiver Trouble ...

Страница 71: ...71 Test Point Circuit Diagram Checking Flow ...

Страница 72: ...ace the Component Check TP1 TP2 NG YES OK Replace U101 EGV or Change PCB Re solder or replace Receiver Check the Contact of Receiver NG OK Re solder or Replace Component Check Component status L301 L302 R303 R309 NG OK L301 L302 bias will fluctuate above 1 2V ...

Страница 73: ...73 Test Point Circuit Diagram Checking Flow TP6 TP5 TP2 TP3 TP4 TP1 ...

Страница 74: ...signal of TP2 TP3 NO YES Try again or Change PCB Check the Battery Check the voltage level of TP1 VBAT NO YES Check U101 EGV Check the Level of TP4 High NO YES Re solder L301 L302 Check the signal of TP5 TP6 NO YES Re assemble or replace Speaker Check the Contact of Speaker NO ...

Страница 75: ...75 Test Point Circuit Diagram ...

Страница 76: ...76 Checking Flow TP1 TP2 ...

Страница 77: ...e phone change to the earphone mode NO YES Re solder or replace the component Check voltage level of TP6 VMIC 2 5V Re solder causal component J501 Check component status around VMIC NO YES Earphone Check the signal level and HS_MIC Is it about 1 2 1 5VDC with a few tens mV AC Check U101 EGV NO YES YES MIC ...

Страница 78: ...gain NO Replace U101 EGV or Change the PCB Does waveform at TP3 U101 HS_REC fluctuate Re solder causal component J501 C322 etc Does waveform at TP4 TP5 U305 3 9 fluctuate YES Earphone YES Does waveform at TP1 TP2 J501 4 5 fluctuate NO Check U305 and component status around U305 ...

Страница 79: ...79 Test Point Circuit Diagram Checking Flow ...

Страница 80: ...8V 6 4V NO YES Charging is properly operating NO Re solder the J501 pin12 13 VCHARGE I O Connector J501 is well soldered NO YES Replace the U503 The voltage of TP3 TP4 is over 2 5V NO YES Check the U101 EGV Check the voltage of TP5 is High or Low NO YES Battery is charged The battery may have problem Change the Battery YES ...

Страница 81: ...81 Test Point ...

Страница 82: ...82 Circuit Diagram ...

Страница 83: ...oints TP1 2 3 Reasonable range 3 1V TP1 2 3 2 7V Give the additory solder in TP5 6 7 NO Replace the J501 Finish A condition is Good NO YES A condition is Good FM_Radio working is good NO YES Replace PCB A condition is Good INT FM or EXT FM ANT Check a condition of Ear Jack connector soldering J501 for Ext FM ANT INT FM B A ...

Страница 84: ...s Good Check a condition of U303 soldering NO YES Replace U303 A condition is Good Check a condition of TP10 U304 Soldering NO YES Give the additory in TP10 U304 A condition is Good Check a condition of FM_Radio Performance Finish NO YES Replace PCB A condition is Good A ...

Страница 85: ...er Matching component TP12 13 7 NO Give the additory solder in TP12 13 7 NO Replace the Z301 Finish A condition is Good YES A condition is Good FM_Radio working is good Check a condition of Pogo PIN for Z301 Int FM ANT TP11 INT FM B ...

Страница 86: ...86 5 DOWNLOAD 5 1 Download Setup ...

Страница 87: ...Stop download Ⓑ Selected configuration DLL file Ⓒ File name donwloading File F Exit X End program Setting S Configuration configuration download condition DLL SW files and etc About H MultiGSM Provide version information First select Setting Menu Ⓐ Ⓑ Ⓒ ...

Страница 88: ...a appropriated DLL file You must select KP100_xxxxxx DLL file ⒷSelect files downloaded GB100 bin Ⓒ Select download speed You must 460800 System supports maximum 460800bps Ⓓ Select port select start and end port be operated Ⓐ Ⓑ Ⓒ Ⓓ ...

Страница 89: ... download next step If configuration is finished then push start button and then button is changed to STOP Turn on power of multi download and connector phones If download is started then push start button else program will download repeatedly Ⓐ ...

Страница 90: ...90 Download step 4 Ⓐ This region appears donwload status If download is finished PASS or FAIL message is showed Ⓐ ...

Страница 91: ...91 6 BLOCK DIAGRAM ...

Страница 92: ...92 ...

Страница 93: ...93 ...

Страница 94: ...94 ...

Страница 95: ...95 ...

Страница 96: ...96 ...

Страница 97: ...97 ...

Страница 98: ...98 8 BGA IC PIN Check BGA PIN Check of main chip Bottom view Use U101 Main chip PMB7880 Not Use EUSY0317401 ...

Страница 99: ...99 BGA PIN Check of Memory Top View Use U201 Memory S71GL032N40BFW0P Not Use EUSY0328002 ...

Страница 100: ...100 9 PCB LAYOUT ...

Страница 101: ...Connector No Display U505 Key LED TR switch No LED J201 SIM connector No SIM VIB501 Vibrator PAD No Vibrator U506 Vibrator TR switch No Vibrator J502 Battery Connector No Charging No Power On U503Charging IC No Charging U304 FM Speaker AMP No sound Speaker or Headset U303 FM Tuner No FM radio X102 32 768KHz Crystal No Booting J501 I O Connector No Charging etc U301 Speaker AMP No Speaker ...

Страница 102: ...Mode 1 Function Test 1 1 Test Purpose To verify handset functional is pass or fail when assembled by visual check 1 2 Test Facilities List 1 Battery 2 Earphone 3 Charger 4 GSM tester 4201S 5 Battery Cover 6 FM transmitter ...

Страница 103: ...ED Illumination Vibrator Melody Vibrator function check Always on All keys function check Method 1 screen shows all icons for key and operator press key one by one then it disappear in screen Method 2 screen shows icon of key one by one then operator press it as phone instruction 3 Keyboard Receiver Receiver check 4 Audio Main Mic to Main Receiver audio loop check 5 Headsets Earpiece Aux Mic to Au...

Страница 104: ...MMI 1 3 2 1 Service information Test Operator not need to insert test SIM card and enter to check Service information as below Service information Test Conducted Verifying item IMEI Check IMEI number Software version Read S W Number Version ...

Страница 105: ...105 11 Calibration 11 1 Test equipment setup 11 2 Calibration Steps Execute HK_36 exe ...

Страница 106: ...106 Click SETTING Menu Setup Logic operation such as the following figure PWR Power Supply CELL Call Test Equipment Setup UART Port Operation Mode 1 By Pass not control by GPIB 2 Normal control by GPIB ...

Страница 107: ...107 Select MODEL Click START for RF calibration RF Calibration finish ...

Страница 108: ...108 12 Stand alone test 12 1 Test program setting 12 1 1 Set COM port 12 1 2 Check PC Baud rate 115200 12 1 3 Confirm EEPROM Delta file prefix name ...

Страница 109: ...109 12 1 4 Press power on key then click V24AT ON and then Update Info for communicating Phone and Test Program ...

Страница 110: ...110 12 1 5 For the purpose of the Stand alone Test Change the phone to ptest mode and then click the Reset bar 12 1 6 Select Non signaling in the Quick Bar menu Then Stand alone Test set up finished ...

Страница 111: ...ling mode bar and then confirm OK test in the command line 12 2 2 Put the number of TX channel in the ARFCN 12 2 3 Select TX in the RF mode menu and PCL in PA level menu 12 2 4 Finally Click Write All bar and try the efficiency test of phone ...

Страница 112: ...112 12 3 RX Test 12 3 1 Put the number of RX channel in the ARFCN 12 2 2 Select RX in the RF mode menu 12 2 3 Finally Click Write All bar and try the efficiency test of phone ...

Страница 113: ...113 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View GB107 ...

Страница 114: ...114 ...

Страница 115: ...LITEON_Luminous Bin 32 5 D503 EDLH0015001 LED 309 0000 00021 LED Single Color_LTST C193TBKT 5A_BLUE_2pin_0603_5mA 18 28mcd_LITEON_Luminous Bin 33 5 D504 EDLH0015001 LED 309 0000 00021 LED Single Color_LTST C193TBKT 5A_BLUE_2pin_0603_5mA 18 28mcd_LITEON_Luminous Bin 34 5 D505 EDLH0015001 LED 309 0000 00021 LED Single Color_LTST C193TBKT 5A_BLUE_2pin_0603_5mA 18 28mcd_LITEON_Luminous Bin 35 5 D506 E...

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