LG GS107 Service Manual Download Page 66

Page: 66 / 124

- 67 -

LGE Internal Use Only

4. TROUBLE SHOOTING

]^VX[W

ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ

ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ

4.5 Charging Trouble

TEST POINT

CIRCUIT

Figure 4.5.1

4. TROUBLE SHOOTING

Figure 4.5.2

CN201

U205

CN201

]^VX[W

ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ

ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ

4.5 Charging Trouble

TEST POINT

CIRCUIT

Figure 4.5.1

4. TROUBLE SHOOTING

Figure 4.5.2

CN201

U205

CN201

4.7K

R265

R231

5.1K

RT9524

EUSY0410801

U205

PGND

VIN

BATT

ISET

PGB

GND1

CHGSB

LDO

GND2

IEOC

EN_SET

1.2K

R233

4.7K

R209

DNI

C286

C247
1UF

VBAT

C248
1UF

VAUX

VBUS_USB

_CHG_EOC

DSS

_CHG_EN1

Summary of Contents for GS107

Page 1: ...Service Manual Model GS107 Internal Use Only Service Manual GS107 Date February 2010 Issue 1 0 ...

Page 2: ...52 3 13Vibrator Interface 53 4 TROUBLE SHOOTING 55 4 1 RF Component 55 4 2 RXTrouble 56 4 3TXTrouble 60 4 4 Power OnTrouble 64 4 5 ChargingTrouble 67 4 6VibratorTrouble 69 4 7 LCDTrouble 71 4 8 SpeakerTrouble 75 4 9 EarphoneTrouble 78 4 10 MicrophoneTrouble 81 4 11 SIM Card InterfaceTrouble 83 4 12 KEY backlightTrouble 85 4 13 FM RadioTrouble 87 5 DOWNLOAD 89 5 1 S W Download 89 5 2 Download progr...

Page 4: ...mmon carrier telecommunication service of facilities accessed through or connected to it The manufacturer will not be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone se...

Page 5: ...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 Device ESD are indicated by the sign Following information is ESD handling Service personnel should g...

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

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

Page 8: ... S 7 N I 4UBOE CZ 5 6Q UP IST 1BHJOH 1FSJPE 344 E N 5BML UJNF 6Q UP NJO 4 5Y FWFM IBSHJOH UJNF QQSPY IPVST 39 4FOTJUJWJUZ 4 4 E N 4 E N 59 PVUQVU QPXFS 4 4 E N FWFM 4 1 4 E N FWFM 4 DBSE UZQF 7 4NBMM JTQMBZ w Y 5 5 4UBUVT OEJDBUPS BSE JDPOT FZ 1BE _ 6Q PXO FGU 3JHIU BWJHBUJPO FZ 4FOE FZ 183 FZ 4PGU FZ FGU 3JHIU 5 OUFSOBM 3 1IPOF BDL FT 1 4ZODISPOJ BUJPO PU 4VQQPSU 4QFFDI DPEJOH 3 3 3 BUB BOE BY FT...

Page 9: ...vice purposes 2 PERFORMANCE VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 2 SYSTEM SPECIFICATION Travel Adapter Yes Speaker Receiver 18x12Ȱ Speaker Receiver MIDI 32 poly Item Feature Comment Camera Not Support FM Radio 87 108MHz supported ...

Page 10: ...1880 MHz 2 Phase Error RMS 5 degrees Peak 20 degrees 3 Frequency Error 0 1 ppm 4 Power Level Level Power Toler Level Power Toler 6 31dBm 3dB 14 15dBm 3dB 7 29dBm 3dB 15 13dBm 3dB 8 27dBm 3dB 16 11dBm 5dB 9 25dBm 3dB 17 9dBm 5dB 10 23dBm 3dB 18 7dBm 5dB 11 21dBm 3dB 19 5dBm 5dB 12 19dBm 3dB GSM850 EGSM 5 33dBm 2dB 13 17dBm 3dB Level Power Toler Level Power Toler 1 28dBm 3dB 9 12dBm 4dB 2 26dBm 3dB ...

Page 11: ...ue to modulation Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 GSM850 EGSM Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 DCS PCS 6 Output RF Spectrum due to switching transient GSM850 EGSM Offset from Carrier kHz Max dBm 400 19 600 21 1...

Page 12: ...ification 6 Output RF Spectrum due to switching transient Offset from Carrier kHz Max dBm 400 22 600 24 1 200 24 1 800 27 7 Spurious Emissions Conduction Emission Status 8 Bit Error Ratio GSM850 EGSM BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 13 4 dB 11 Sending Response 300 12 1 000 6 2 000 6 3 000 6 Frequency Hz Max dB Min dB 100 200 4 000...

Page 13: ...d service purposes LGE Internal Use Only UFN FTDSJQUJPO 4QFDJmDBUJPO 3FDFJWJOH 3FTQPOTF SFRVFODZ BY E JO E 45 3 ɋ E FBO UIBU EPQU B TUSBJHIU MJOF JO CFUXFFO BOE UP CF BY MFWFM JO UIF SBOHF 4UBCJMJUZ BSHJO E 4ZTUFN GSFRVFODZ UPMFSBODF QQN UPMFSBODF QQN 3JOHFS 7PMVNF U MFBTU E TQM VOEFS CFMPX DPOEJUJPOT 3JOHFS TFU BT SJOHFS 5FTU EJTUBODF TFU BT DN 4 45 41 5 0 IBSHF VSSFOU BTU IBSHF 5ZQ N 5PUBM IBSHJ...

Page 14: ...and service purposes LGE Internal Use Only 4 45 41 5 0 UFN FTDSJQUJPO 4QFDJmDBUJPO BS VNCFS 1PXFS OUFOOB JTQMBZ BUUFSZ BS VNCFS 7PMUBHF 7 BUUFSZ OEJDBUPS PX 7PMUBHF 8BSOJOH MJOLJOH BS 0ODF QFS NJOVUF 3FDFJWFS 0ODF QFS NJOVUFT 4QFBLFS PSDFE TIVU EPXO 7PMUBHF 7 BUUFSZ 5ZQF JUIJVN PO BUUFSZ 4UBOEBSE 7PMUBHF 7 BUUFSZ GVMM DIBSHF WPMUBHF 7 BQBDJUZ N I 5SBWFM IBSHFS 4XJUDIJOH NPEF DIBSHFS OQVU _ 7 0VUQV...

Page 15: ...re 3 1 1 X Gold tm 110 Hardware Block Diagram 3 TECHNICAL BRIEF X VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 TECHNICAL BRIEF 3 1 Digital Main Processor Figure 3 1 1 X Gold tm 110 Hardware Block Diagram 3 TECHNICAL BRIEF X VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ Ά...

Page 16: ...th a 16KB Instruction Cache and a Data cache Buffer FM Stereo Radio Receiver with RDS There are several Interfaces I2S interface for DAI connections for Tape Approval and external Audio component connection High Speed SSC Interface for connection of companion chips like Serial SD Cards High Speed SSC Interface dedicated to Display control USIM Interface with support of Protocol T 1 and Dual USIM s...

Page 17: ...piece driver 32 ȳ headset driver Measurement interfaces PA temperature battery voltage battery temperature and ambient temperature Accessory Detection PCB ID detection as part of measurement interface Differential microphone input System start up circuitry Charger circuitry for NiCd NiMh and LiIon cells with integrated Control Current Voltage Charging Integrated regulators for direct connection to...

Page 18: ...RDS Receiver Sensitivity 2 ɆV EMF Support for US EU bands Stereo recording 3 1 5 Display Type 128 128 QQVGA 65k color parallel Interface Parallel 8 9bit MIPI DBI Type B Interf voltage at 1 8V or 2 8V gRacr Display Controller Hardware 30 fps Display update without DMA up to 60 fps full or partial Video post processing Scaling Rotation 90 steps Mirroring Overlay with alpha blending Color conversion ...

Page 19: ...ctions These power supplies are generated in the integrated power management Unit PMU The PMU is designed to deliver the power for a typical standard phone Figure 3 2 1 Block Figure of the PMU Modules X Gold tm 110 3 TECHNICAL BRIEF DC DC Step Down Converter for 1 8V SD1 The DC DC converter generates a 1 8 V supply rail This voltage rail is used to supply main parts of the system like the digital ...

Page 20: ...O provides the VCORE supply used for most of the digital parts of the chip LPMU The LPMU provides VPMU sued for the PMU supply e g for the startup state machine and analog parts like ADC sense amplifier etc LAUX The LAUX generates VAUX It is a general purpose LDO and can be used for different functions depending on the phone application e g for the display or Camera LSIM The LSIM LDO generates the...

Page 21: ... Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF YXVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 TECHNICAL BRIEF Table 3 2 1 Power supply Domains without RF ...

Page 22: ...is always connected to VPMU also The power up sequence driven by the PMU state machine can be seen in Figure18 After enabling the reference HPGB and waiting for the settling time the battery voltage is measured and compared with the power on threshold If the battery voltage is high enough the SD1 DC DC converter and the LCORE LDO are started A timer ensures that the supply voltage will be stable b...

Page 23: ... LDO LADC uses either the charger voltage VDD_CHARGE or VDDRTC as input voltage The input voltage is selected automatically by a bulk switch circuit LADC the ADC and the oscillator are enabled on request for every battery measurement if the charger unit is not running This is handled by an ADC control block in one of the state machines If the charger unit is running the ADC is controlled by the ch...

Page 24: ...ng and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF Y VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 TECHNICAL BRIEF Figure 3 2 2 Second Main Part of the Startup State Machine in the VPMU Domain ...

Page 25: ... read in the PMU registers so it can be used as a functional key during phone operation also 3 2 4 Switching on due to RTC alarm The real time clock can generate a wakeup signal called RTC alarm This signal is sampled from the state machine and after successfully detecting a high the system is switched on 3 2 5 Switching on due to charging When a battery with a voltage below the SSONLEV level is i...

Page 26: ... This state change is indicated to the charger state machine to enable the charger watchdog for safety 3 2 6 Power Supply Start up sequence In order to avoid an excessive drop on the battery voltage caused by in rush current during system power on possibly leading to system instability and hick ups a staggered turn on approach for the regulators is implemented The regulators are turned on in a wel...

Page 27: ...ight reserved Only for training and service purposes 3 TECHNICAL BRIEF Y VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 TECHNICAL BRIEF Figure 3 2 3 Start Up Sequence triggered by First Connect Event ...

Page 28: ...y using the vcxo_enable signal This is handled by a dedicated logic in the PMU see Figure 21 As long as rf_sysclk_en_pmu the output of the PMU state machine is high vcxo_enable controls the rf_sysclk_en signal to the RF If rf_sysclk_en_pmu is low the DXCO is switched off independent from vcxo_enable Figure 3 2 4 How sysclock Enable is Routed in the PMU 3 2 8 Undervoltage Shutdown In active mode th...

Page 29: ...ple plugging in a battery a PMU internal oscillator is used for generation of the PMU clock pmu_clock The frequency is slightly above 32 kHz typ 50 kHz to be out of the audio band also for worst case devices After first startup the software shall enable the 32 kHz crystal oscillator It is not possible to use the 32 kHz oscillator during first startup because the settling time of the oscillator can...

Page 30: ...g The DC DC converter works in different modes If the mode is switched from PFM to PWM the pulse width of the DC DC converter depends on the current battery voltage and on the output voltage The PMU state machine knows the battery voltage because of the battery supervision function Depending on this value it selects a startup pulse width for the DC DC converter out of a register table 4 values 3 2...

Page 31: ...rs a complete Transmit VCO to Antenna and Antenna to Receive SAW filter solution The FEM also supports Class 12 General Packet Radio Service GPRS multi slot operation The module consists of a GSM900 PA block and a DCS1800 PA block impedance matching circuitry for 50 ȳ input and output impedances Tx harmonics filtering high linearity and low insertion loss PHEMT RF switches diplexer and a Power Amp...

Page 32: ... G 9 1 D N G 8 1 D N G 7 1 D N G 6 1 D N G 5 1 D N G GND2 GND14 DCS_TX ANT GND3 GND10 GSM_TX GND9 GND4 GND8 VBATT GND7 GND5 RSVD2 VLOGIC GSM_RX 4 D N G P 5 D N G P 6 D N G P P M A R V N E _ X T S B D V S R 6 D N G X R _ S C D 1 D V S R 7 D N G P 8 D N G P 9 D N G P PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 6 1 D N G P 7 1 D N G P 8 1 D N G P 9 1 D N G P 0 2 D N G P PGND1 PGND2 PGND3 33n C319 39p C...

Page 33: ...rnal components like Bluetooth or GPS via the buffered output signal FSYS1 3 TECHNICAL BRIEF 3 5 RF Subsystem of PMB8810 U101 Figure 3 5 1 Block DIAGRAM of RF Subsystem ZZVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 4 Crystal 26 MHz X102 Figure 3 4 1 Crystal Oscillator External Connection The X GOLDTM110 RF Subsystem contains a ...

Page 34: ...EGSM900 and one high band DCS1800 or PCS1900 A block diagram of the RF subsystem is given in Figure 3 4 1 3 TECHNICAL BRIEF 3 5 2 FUNCTIONAL DESCRIPTION Figure 3 5 2 RECEIVER CHAIN BLOCK DIAGRAM 3 5 2 1 Receiver The X GOLDTM110 receiver is based on the Direct Conversion Receiver architecture DCR and can be configured to support one low band GSM850 or EGSM900 and one high band DCS1800 or PCS1900 A ...

Page 35: ...ctional N sigma delta synthesizer for constant envelope GMSK modulation This configuration allows a very low power design without any external components Up and down ramping is performed via the ramping DAC connected to VRAMP 3 5 2 3 RF synthesizer The X GOLDTM110 transceiver contains a fractional N sigma delta synthesizer for frequency synthesis in RX mode In TX mode the fractional N sigma delta ...

Page 36: ...5 2 4 Front end PA Control Interface Two outputs FE1 FE2 for direct control of antenna switch modules enable to select RX and TX mode as well as low and high band operation An extra band select signal PABS for the power amplifier is used to support discrete PA and switching modules Time accurate power dissipation of the PA is achieved by the control signal PAEN A minor set of power amplifiers requ...

Page 37: ...anized as 2Mx16 The memory architecture of the device is designed to divide its memory arrays into 71 blocks with independent hardware protection This block architecture provides highly flexible erase and program capability The 32Mb NOR Flash consists of sixteen banks This device is capable of reading data from one bank while programming or erasing in the other bank Regarding read access time the ...

Page 38: ...on for the mobile market with its low cost high density and high performance feature device is fabricated by SAMSUNGːs advanced CMOS technology using one transistor memory cell The device supports the traditional SRAM like asynchronous operation asynchronous read and asynchronous write the NOR flash like synchronous operation synchronous burst read and asynchronous write and the fully synchronous ...

Page 39: ...makes SIM card to HW default status SIM_RST Description Signal The Main Base Band Processor XMM 110 provides SIM Interface Module The XMM2130 checks status Periodically During established call mode whether SIM card is inserted or not but it doesn t check during deep sleep mode In order to communicate with SIM card 3 signals SIM_DATA SIM_CLK SIM_RST And This model supports 1 8 3V SIM Card 3 TECHNIC...

Page 40: ...to 1 65V with an incorporated voltage follower circuit to generate voltage levels for driving an LCD The LG4515 also supports a function to display in 8 colors and a standby mode allowing for precise power control by software These features make the LG4515 an ideal LCD driver for medium or small sized portable products supporting WWW browsers such as digital cellular phones or small PDAs where lon...

Page 41: ... in Thermal Protection Figure 3 8 2 AAT3192 CIRCUIT DIAGRAM 3 TECHNICAL BRIEF 15K R402 VBAT 1uF C406 AAT3192 1 EUSY0238704 U402 1 7 2 6 10 9 4 8 3 5 IN C GND C D2 D1 EN_SET OUT RSET NC 1u C407 1u C408 R448 4 7K MLED2 MLED1 MLED W_LED_DRV1 15K ohm 1 16W F 1005 XVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ The AAT3192 is a charge pu...

Page 42: ...cation state through constant current fast charge top off charge and full charge indication Proprietary thermal regulation circuitry limits the die temperature during fast charging or when the IC is exposed to high ambient temperatures allowing maximum charging current without damaging the IC The BQ25040 accepts input supply range from 0 3V to 28V but disables charging if the input voltages exceed...

Page 43: ...ΒΝ ΆΤΖ ΟΝΪ 3 10 Keypad Interface Figure 3 10 1 MAIN KEY STRUCTURE 3 TECHNICAL BRIEF 27p C261 27p C260 C223 27p 27p C236 C238 27p 27p C239 C241 27p C242 27p 27p C243 KB201 KB202 KB203 KB204 KB205 KB206 KB207 KB208 KB209 KB210 KB211 KB212 KB213 KB214 KB215 KB216 KB217 KB218 KB219 VRTC KB220 KEY_IN4 KEY_IN3 KEY_IN2 KEY_IN1 KEY_OUT4 KEY_OUT3 KEY_OUT2 KEY_IN0 KEY_OUT1 END_KEY 2 UP 1 KEY MATRIX 9 4 7 0 ...

Page 44: ...nformation about the key or key combination that was pressed and how long it was pressed Figure 3 10 2 Block Diagram and System Integration of the KPD 3 TECHNICAL BRIEF VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ The Keypad Interface is a peripheral controller which can be used for scanning external keypad matrices with up to 8 r...

Page 45: ...ne perspective called audio in and audio out subsequently It features a high quality stereo digital to analog path with amplifier stages for connecting acoustic transducers to X GOLD 110 In audio in path the supply voltage generation for electret microphones a low noise amplifier and analog to digital conversion are integrated in X GOLD 110 A more detailed functional description will be given in t...

Page 46: ...analog part is enabled These major modes can be modified by certain control register settings Due to the new gain settings in the TX path the maximum input voltage is limited to 0 8 Vpp In both voiceband paths the value range for voice samples is confined to 97 5 i e to 31948 31947 or 8334H 7CCBH in X GOLDTM110 On the TX path 83 1 s on the VTPDM line correspond to a 16 bit value of 7CCBH and 17 1 ...

Page 47: ... followed by the gain control amplifier section The DAC outputs can be switched to several output buffers In audio in section there is an input multiplexer which selects either one of two differential microphone inputs to be connected to the low noise amplifier and analog pre filter The signals from the analog pre filter are input to a second order sigma delta analog to digital converter In additi...

Page 48: ...vers can be used to drive a 16 ȳ headset They can work unipolar mode where an AC coupling of the headset might be needed or can work also in bipolor mode The differential loudspeaker driver can be used to drive a 8 ȳ loudspeaker As it is a class D amplifier the needed suppression of the higher harmonics of the switching signals has to be achieved by the external circuitry The buffers are designed ...

Page 49: ...o in path consists of an input selector a low noise amplifier and following pre filter with gain control a second order ȭȟ converter and a digital decimation filter It supports both standard GSM bandwidth 3 5 kHz and wideband bandwidth 7 kHz speech bands The differential input signal from the microphone first passes a low noise amplifier and following pre filter and an anti aliasing pre filtering ...

Page 50: ...F 2 microphone supplies VMIC and VUMIC are available The supply VUMIC has a ultra low power mode where the current consumption is minimum whilst at the same time the noise performance is reduced For this purpose the VUMIC is directly supplied out of the VMIC regulator the Mic Buffer can be switched off and only the quiescent current of the VMIC regulator is present This mode can be used to supply ...

Page 51: ...T LED Interface Key Backlight LED is controlled by switch Q202 If KEY_BCKLIGHT is high Current is flowing from VBAT to LED Then Light emitted from The LED Figure 3 12 1 Key Backlight Block 3 TECHNICAL BRIEF 1u C246 10Kohms R229 s m h o 0 6 5 R222 s m h o 0 6 5 R230 1u C258 R228 s m h o 0 6 5 R224 s m h o 0 6 5 s m h o 0 6 5 R221 s m h o 0 6 5 R227 LD201 19 217_BHC ZM1N2QY_3T LD202 LD203 LD204 Q202...

Page 52: ...ΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 3 13 Vibrator Interface Support PWM signal which generated by hardware itself via register control Direct connect to the VIB and VSSVIB pin from XMM110 without any external component required It is capable to driver the vibrator motor up to 150mA Figure 3 13 1 Vibrator Driver Block Diagram 3 TECHNICAL BRIEF Figure 3 13 2 Vibrator Driver Block ...

Page 53: ... service purposes 3 TECHNICAL BRIEF YVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ Figure 3 13 1 Vibrator Driver Block Diagram Figure 3 13 2 Vibrator Driver Block DM YK407 6F2 SJMY0007905 VB201 2 1 0 R260 1UF C282 47n C249 VIB_P VIB_N ...

Page 54: ...E SHOOTING VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 1 RF Component 4 TROUBLE SHOOTING Figure 4 1 SAW Filter FL301 FEM Tx Module U301 Crystal 26MHz Clock X101 Memory U102 Main Chip EGV3 U101 4 TROUBLE SHOOTING U101 U102 U301 X102 FL301 4 TROUBLE SHOOTING ...

Page 55: ...ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ START Re download SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit 2 Check Mobile SW TX module 4 2 RX Trouble CHECKING FLOW 4 TROUBLE SHOOTING 3 Check PLL Control 4 TROUBLE SHOOTING ...

Page 56: ...ΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 1 Checking Crystal Circuit 4 TROUBLE SHOOTING TEST POINT CIRCUIT WAVEFORM CHECKING FLOW Figure 4 2 1 26 MHz O K No Crystal is OK See next page to check PLL Circuit Yes Replace X102 Figure 4 2 2 Figure 4 2 3 X102 1 pin 26MHz 1 pin A3 A4 F2 F1 A8 A9 FMRIN FMRINX XO XOX RX12 26MHZ NX3225SA X102 EXXY0018404 2 1 3 4 GND2 HOT2 HOT1 GND1 FM_ANT GSM_RXP 1P...

Page 57: ...5 RSVD2 VLOGIC GSM_RX 4 D N G P 5 D N G P 6 D N G P P M A R V N E _ X T S B D V S R 6 D N G X R _ S C D 1 D V S R 7 D N G P 8 D N G P 9 D N G P PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 6 1 D N G P 7 1 D N G P 8 1 D N G P 9 1 D N G P 0 2 D N G P PGND1 PGND2 PGND3 33n C319 39p C303 1n C309 DNI C328 SFSB0001401 FL301 B9308 10 5 3 2 6 4 7 8 9 1 I1 O1_1 O1_2 O2_1 I2 O2_2 1 G 2 G 3 G 4 G L302 18n 1 2pF...

Page 58: ...Δ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ CHECKING FLOW 4 TROUBLE SHOOTING Check TP1 of SW301 TP1 Signal is OK Replace Mobile SW SW301 Yes No Yes Mobile SW TX Module and Saw Filter is OK Check Main Chip U101 Control Signal is VLogic BS OK No Yes Check U301 Replace FL 301 or U301 TP2 High Band TP3 Low Band Signal is OK No Yes EGSM Rx ...

Page 59: ...ΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 3 TX Trouble START Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 1 Check Crystal Circuit CHECKING FLOW 4 TROUBLE SHOOTING 2 Check Mobile SW FEM 3 Check PLL Control ...

Page 60: ...ΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 1 Checking Crystal Circuit 4 TROUBLE SHOOTING TEST POINT CIRCUIT WAVEFORM CHECKING FLOW Figure 4 2 1 26 MHz O K No Crystal is OK See next page to check PLL Circuit Yes Replace X102 Figure 4 2 2 Figure 4 2 3 X102 1 pin 26MHz 1 pin A3 A4 F2 F1 A8 A9 FMRIN FMRINX XO XOX RX12 26MHZ NX3225SA X102 EXXY0018404 2 1 3 4 GND2 HOT2 HOT1 GND1 FM_ANT GSM_RXP 1P...

Page 61: ...VLOGIC GSM_RX 4 D N G P 5 D N G P 6 D N G P P M A R V N E _ X T S B D V S R 6 D N G X R _ S C D 1 D V S R 7 D N G P 8 D N G P 9 D N G P PGND10 PGND11 PGND12 PGND13 PGND14 PGND15 6 1 D N G P 7 1 D N G P 8 1 D N G P 9 1 D N G P 0 2 D N G P PGND1 PGND2 PGND3 33n C319 39p C303 1n C309 DNI C328 SFSB0001401 FL301 B9308 10 5 3 2 6 4 7 8 9 1 I1 O1_1 O1_2 O2_1 I2 O2_2 1 G 2 G 3 G 4 G L302 18n 1 2pF C313 L3...

Page 62: ...ΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ CHECKING FLOW 4 TROUBLE SHOOTING Check TP2 TP3 Mobile SW FEM is OK Yes TP5 signal same as TP1 Replace SW301 No Yes Replace PMB8810 U102 TP2 High Band TP3 Low Band Signal is OK No Yes Check PMB8810 Control Signal is VLogic TX EN BS OK No Yes Yes Check TP4 of U304 TP1 Signal is OK ReplaceFEM U304 No EGSM Tx ...

Page 63: ...NG VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 4 Power On Trouble 4 TROUBLE SHOOTING 1V8_VDD VPMU VCORE VAUX VDDTRX VDDMS VDDXO VDDTDC VDD_ VRF2 VRF1 U101 Figure 4 4 1 Figure 4 4 3 Remote power on VRTC R116 10Kohm Figure 4 4 2 100Kohms R106 10K R116 END_KEY RPWRON ...

Page 64: ... _ S S V 1 F R V O X D D V O X S S V C D T D D V G I D S S V F R S S V O L S S V X R T D D V O C D S S V T A B V 2 F R D D V X R T S S V S M D D V P S T A B V R S L S S V 1 P C 2 P C G E N D D V S M _ 8 V 1 _ D D V S M S S V R M F _ D D V C T R V M I S V U M P V X U A V E R O C V 1 E R O C D D V 2 E R O C D D V 1 E R O C S S V 2 E R O C S S V 3 E R O C S S V 1 U B E _ D D V 2 U B E _ D D V 1 O I D...

Page 65: ...l change into high of POWERKEY Check the voltage of The LDO outputs at U101 Logic level at RPWRON of R116 HIGH above 1 2V Is the phone power on The phone will Properly operating Charge or Change Battery Check the contact of power key Or dome switch Replace U101 VCORE 1 2V VPMU 1 2V VRTC 2 3V VDD_1 8V 1 8V VAUX 2 8V VDD_RF2 2 5V VRF1 1 8V VDDTRX 1 4V VDDMS 1 3V VDDXO 1 3V VDDTDC 1 3V Re download so...

Page 66: ...T Figure 4 5 1 4 TROUBLE SHOOTING Figure 4 5 2 CN201 U205 CN201 VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 5 Charging Trouble TEST POINT CIRCUIT Figure 4 5 1 4 TROUBLE SHOOTING Figure 4 5 2 CN201 U205 CN201 4 7K R265 R231 5 1K RT9524 EUSY0410801 U205 6 5 7 4 8 3 9 2 10 1 11 PGND VIN BATT ISET PGB GND1 CHGSB LDO GND2 IEOC EN_SE...

Page 67: ...ΥΖΣΟΒΝ ΆΤΖ ΟΝΪ START Is I O Connector CN201 well soldered Check the voltage at Pin 1 of BQ25040 5 6V Is the voltage at Pin 4 of BQ25040 4 9V YES YES YES Battery is charged YES Charging is properly operating NO NO NO Resolder the CN201 Pin 1 VCHARGE The TA is out of order Change the TA Replace the U205 Replace the main board CHECKING FLOW 4 TROUBLE SHOOTING Battery is charged NO Change the battery ...

Page 68: ... IC U101 u 2 2 7 2 1 C 8 0 1 C F u 1 0 2 1 F 1 1 H 1 1 F 5 1 F 4 1 F 1 1 E 9 F F E R V D N G A B I V B I V _ S S V 1 8 V 1 D D V U M P _ T A B V U M P _ S S V C131 0 22uF D D V _ 8 V 1 T A B V P _ B I V N _ B I V STAR_GND DIRTY_GND DM YK407 6F2 SJMY0007905 VB201 2 1 0 R260 1UF C282 47n C249 VIB_P VIB_N Main IC U101 VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ...

Page 69: ...ΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING START YES NO YES Replace vibrator YES Vibrator Working well Replace the U101 NO CHECKING FLOW SETTING Enter the engineering mode and set vibrator on at vibration of BB test menu Check the Pin of vibrator Replace the Vibrator Is the voltage at VB201 high ...

Page 70: ...s LGE Internal Use Only 4 TROUBLE SHOOTING XVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING 4 7 LCD Trouble TEST POINT Figure 4 7 1 C406 408 CN401 U402 R444 R441 R438 R439 R437 R435 R442 R443 R436 R434 R433 R432 ...

Page 71: ...3 2 1 4 7K R404 47K R405 1V8_VDD VAUX C420 15pF C421 15pF 1UF C423 C430 15pF C431 15pF C432 15pF 15pF C433 R432 100ohms 100ohms R433 R434 100ohms R435 100ohms R436 100ohms R437 100ohms 100ohms R438 R439 100ohms R441 100ohms 100ohms R442 R443 100ohms 15pF C434 15pF C435 C436 15pF C437 15pF 15pF C439 C440 15pF R444 100ohms NLCD_MAIN_CS A16 NLCD_RESET AD07 AD06 AD05 AD04 AD03 AD02 AD01 AD00 NWR MLED2...

Page 72: ...ΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING Waveform Graph 4 7 1 LCD Backlight Dimming Control Signal Waveform Graph 4 7 2 LCD Data Waveform ZVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING Waveform Graph 4 7 1 LCD Backlight Dimming Control Signal Waveform Graph 4 7 2 LCD Data Waveform ...

Page 73: ... ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING START Is the connection of CN401 with LCD connector ok NO Reassemble LCD Module and check LCD Module connection NO Check the Voltage Level of C406 and C408 is about Battery voltage W_LED_DRV signal is 1 Pulse about 75us YES Resoldering or Replace U402 NO Does LCD work properly Replace LCD module LCD working well YES CHECKING FLOW YES NO YES Check the Waveform o...

Page 74: ...Σ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 8 Speaker Trouble TEST POINT Figure 4 8 1 Pin 3 2 TROUBLE SHOOTING U201 U204 Pin 9 C233 C227 R251 R252 Pin 4 Pin 8 VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 8 Speaker Trouble TEST POINT Figure 4 8 1 Pin 3 2 TROUBLE SHOOTING U201 U204 Pin 9 C233 C227 R251 R252 Pin 4 Pin 8 ...

Page 75: ... H T U O R _ P H T U O L _ P H N _ K P S P _ K P S VBAT 0 1uF C217 DG2735DN T1 E3 U201 EUSY0347001 6 5 7 4 8 3 9 2 10 1 V NO2 NO1 COM2 COM1 IN2 IN1 NC2 NC1 GND DNI R271 DNI R272 REC_N REC_P REC_SPK_P REC_SPK_N REC_IN_P REC_IN_N REC_PATH_SEL REC_PATH_SEL 0 R253 390p C201 30K R217 R F 0 5 1 X 5 0 5 0 N V C I VA204 TPA6202A1ZQVR EUSY0404001 U204 B2 C1 A1 B1 B3 C2 A3 C3 IN VDD IN VO _SHUTDOWN VO BYPAS...

Page 76: ...g well Yes Check the Audio signal R251 R252 Yes Yes No No No Check the Audio and contorl signal U201 Pin 3 4 8 9 No Replace the U204 Yes Check the Audio signal R251 R252 VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ START Cal l Check the state of contact of speaker Speaker Working well Check the Audio and control signal U201 Pin 3 ...

Page 77: ...ΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 9 Earphone Trouble TEST POINT Figure 4 9 1 2 TROUBLE SHOOTING FB201 FB202 CN201 U205 C219 C220 C256 C212 _VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 9 Earphone Trouble TEST POINT Figure 4 9 1 2 TROUBLE SHOOTING FB201 FB202 CN201 U205 C219 C220 C256 C212 ...

Page 78: ..._SDA I2C_SCL HS_MIC_P HS_MIC_N HP_ROUT HP_LOUT UART_TX UART_RX MUIC_DM MUIC_ID MUIC_DP ECCH0000198 2 2uF 6 3V 10 1005 ECCH0006501 10 uF 6 3V M X5R TC 2125 R TP ECCH0000155 10nF 16V X7R 1005 VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ CIRCUIT 2 TROUBLE SHOOTING VMIC 4 1 C 3 1 D 2 1 A 1 1 A 0 1 D 0 1 B 7 A 7 B 0 1 A 9 B 2 1 C 1 1 B...

Page 79: ...ce from the earphone Set the audio part of the test Equipment to echo mode Change the earphone and try again NO Can you hear the sound from the earphone Set the audio part of the test equipment to PRBS or Continuous wave mode YES YES Resolder pin4 in CN201 CHECKING FLOW Replace the U203 NO YES Can you hear the sound from the earphone NO Change the earphone and try again NO Can you hear your voice ...

Page 80: ... C215 10u C231 DNI C203 C204 DNI 39pF C206 C215 0 033uF MIC201 SUMY0007102 OBE 415L42 RC10 LGB10 2 1 C222 39pF C224 39pF 1 0 2 A V 0 0 2 2 0 M 5 L V E R210 2 2Kohms R211 1Kohms VMIC 100ohms R212 R213 100ohms R214 2 2Kohms C229 39pF 2 0 2 A V 0 0 2 2 0 M 5 L V E 0 033uF C230 MIC_P MIC_N 10 uF 6 3V M X5R TC 1608 R TP ECCH0005604 MIC _XVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒ...

Page 81: ...T NO YES Microphone will work properly SETTING After initialize Agilent 8960 Test EGSM900 DCS mode or GSM850 PCS mode YES Check the signal Level at each side of MIC201 Is it a few tens mV AC Check the soldering of R243 R244 C230 C215 Make a phone call then check C231 mic bias signal comes from U101 NO Change the microphone YES NO Resolder component CHECKING FLOW 1 Check mic Bias signal line 2 Chan...

Page 82: ...ΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 11 SIM Card Interface Trouble TEST POINT CIRCUIT Figure 4 11 1 4 TROUBLE SHOOTING PIN4 J201 PIN 6 PIN 3 PIN 1 J201 ENSY0025101 GCA26D 6S H18 E1500 C1 C5 C2 C6 C3 C7 GND1 GND4 GND2 GND3 2V85_VSIM 22pF C216 C218 68pF 2V85_VSIM 4 7Kohms R206 2V85_VSIM C225 0 1uF C250 DNI SIM_DATA SIM_CLK SIM_RST SIM_CONNECTOR ...

Page 83: ...START Does the SIM card support 3V or 1 8V NO Change the SIM Card This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin1 of J201 2 85V or 1 8V NO Change the U101 NO YES Resolder J201 YES Voltage output of VSIM LDO Is 2 85V Change the SIM Card And try again Does it work Properly YES SIM card is properly working redownload SW Does it work Properly NO Change the main board NO YES SIM card...

Page 84: ... ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING 4 12 KEY backlight Trouble TEST POINT Figure 4 12 1 CIRCUIT 1u C246 10Kohms R229 s m h o 0 6 5 R222 s m h o 0 6 5 R230 1u C258 R228 s m h o 0 6 5 R224 s m h o 0 6 5 s m h o 0 6 5 R221 s m h o 0 6 5 R227 LD201 19 217_BHC ZM1N2QY_3T LD202 LD203 LD204 Q202 KTC4075E 1 2 3 LD205 VBAT 2 2u C283 LD206 KEY_BACKLIGHT KEY BACKLIGHT ...

Page 85: ..._ VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 TROUBLE SHOOTING START Is Pin3 of Q202 low at KEY_BACKLIGHT high NO Check Q202 Are all LEDs Working NO YES Check the soldering each R and LED Backlight will work properly NO Replace or resolder component CHECKING FLOW YES ...

Page 86: ...N201 GU073 5P SD E1500 15 13 11 9 7 5 4 3 2 1 14 12 10 8 6 180n L202 VBUS_USB 0 001uF C244 6 8pF C245 VA205 MUIC_DM MUIC_ID FM_ANT_1 MUIC_DP USB EAR MIC TA UART 4 TROUBLE SHOOTING 4 13 FM RadioTrouble C245 C244 L202 C245 CN201 CIRCUIT CIRCUIT Q305 ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ _ VX W _ VX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ...

Page 87: ...ear_jack condition NO YES CHECKING FLOW FM_radio will work properly Check condition of matching components L201 C242 C217 A condition is good NO YES Give the additory solder in L201 C242 C217 Replace CN201 Check Bias Voltage VDD_FMR YES NO Replace U102 START Check of earless condition Check condition of CN201 connection YES A condition is good YES NO Replace CN201 NO Replace U205 A condition is go...

Page 88: ...ΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD 5 1 S W Download Figure 5 1 S W download upgrade setup 5 DOWNLOAD Preparation Target terminal PIF Union RS 232 Cable and PIF UNION to Phone interface Cable Power Supply or Battery PC supporting RS 232 with Windows 2000 or newer If you are going to use battery the voltage of the battery should be over 3 7V for stable power supplying during S ...

Page 89: ...or training and service purposes 5 DOWNLOAD WVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD 5 2 Download program user guide 1 After GSMULTI folder copy paste C 2 MultiGSM exe execution file execute GS108 GS108 ...

Page 90: ... Internal Use Only 5 DOWNLOAD XVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD 5 3 Multi Download Program Setting Model Base Ϯ Multi Download Program Execution Setting Configuratio n Setting Completed GS108 GS108 GS107 GS107 ...

Page 91: ...eserved Only for training and service purposes 5 DOWNLOAD YVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 5 DOWNLOAD Stand by Condition Wait phone connecting confirm Phone connection GS108 GS108 GS107 GS107 ...

Page 92: ... reserved Only for training and service purposes LGE Internal Use Only 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ZVX W ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 6 Block Diagram 6 Block Diagram ...

Page 94: ... DIGUP1 TDI DIGUP2 TMS DIGUP_CLK TCK TRST_N ONOFF TRIG_IN TRIG_OUT CS MON1 CSB MON2 MON3 VCHG MON4 VDDCHG VSHNT AD0 SENSEN AD1 SENSEP AD2 AD3 LEDFBN AD4 LEDFBP AD5 LEDDRV AD6 AD7 SD1SW AD8 SD1_FB AD9 VDD_SD1 AD10 VSS_SD1 AD11 AD12 ADV_N AD13 WR_N AD14 RD_N AD15 WAIT_N A16 RDY_N A17 BFCLKO A18 BC0_N A19 BC1_N A20 CS0_N A21 CS1_N A22 CS3_N N S L P S L 1 N C I M 1 P C I M 2 N C I M 2 P C I M C I M U ...

Page 95: ...7K 1UF C282 C223 27p FB202 C224 39pF 1 0 2 A V 0 0 2 2 0 M 5 L V E 4 7K R209 DNI R271 C225 0 1uF DNI C284 DNI R272 VBAT 0 22uF C226 33n C233 R210 2 2Kohms R211 1Kohms VMIC 100ohms R212 R213 100ohms R267 47K C228 39pF R214 2 2Kohms C229 39pF R268 47K R269 47K 30K R240 10K R218 2 0 2 A V 0 0 2 2 0 M 5 L V E 0 033uF C230 27pF C209 R215 4 7ohms 4 7ohms R216 C234 2 2uF 10K R219 390p C202 1n L201 27p C2...

Page 96: ...ND14 PGND15 6 1 D N G P 7 1 D N G P 8 1 D N G P 9 1 D N G P 0 2 D N G P PGND1 PGND2 PGND3 33n C319 39p C303 1n C309 DNI C328 SFSB0001401 FL301 B9308 10 5 3 2 6 4 7 8 9 1 I1 O1_1 O1_2 O2_1 I2 O2_2 1 G 2 G 3 G 4 G L302 18n 1 2pF C313 L304 1 5n 2 2nH L305 L306 2 2nH VBAT ANT303 3 6n L303 R305 100ohms DNI R306 56p C327 R307 100ohms R308 100ohms L308 1 2n ANT305 ANT306 22n L309 270ohms R310 R311 4 7K C...

Page 97: ... 9 4 8 3 5 IN C GND C D2 D1 EN_SET OUT RSET NC 1u C407 1u C408 R448 4 7K 47K R405 1V8_VDD VAUX C420 15pF C421 15pF 1UF C423 C430 15pF C431 15pF C432 15pF 15pF C433 R432 100ohms 100ohms R433 R434 100ohms R435 100ohms R436 100ohms R437 100ohms 100ohms R438 R439 100ohms R441 100ohms 100ohms R442 R443 100ohms 15pF C434 15pF C435 C436 15pF C437 15pF 15pF C439 C440 15pF R444 100ohms NLCD_MAIN_CS A16 NLC...

Page 98: ...ice purposes LGE Internal Use Only 8 BGA Pin Map 8 BGA Pin Map 8 5 BGA PIN MAP Top View 8 5 1 BGA IC pin check U101 ؼ Ball Diagram Top View PMB7900 E GOLDVoice 3 Use Not ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 98 140 ...

Page 99: ...Inc All right reserved Only for training and service purposes 8 BGA Pin Map 8 5 2 BGA IC pin check U102 ؼ Ball Diagram Top View K5N6433ATM Use Not ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ VX W ...

Page 100: ...224 2 2 2 C 4 1 2 R C239 LD206 KB201 KB20 5 KB21 8 KB206 KB211 KB214 KB203 KB21 0 KB22 0 KB208 KB213 C236 C131 1 0 2 D L 1 2 2 R C242 C241 4 0 2 C C203 7 1 2 B K KB202 KB209 KB219 KB207 KB212 KB215 0 6 2 C 4 0 2 B K R224 2 1 2 R R211 C231 3 1 2 R 2 0 2 A V 0 1 2 R C 2 2 9 C206 1 0 2 A V C 2 1 5 C 2 3 0 6 4 2 C 7 2 2 R 2 2 2 R 5 0 2 D L R_S_N R_S_P 1 0 1 N C JTAG PAD Not Mounted LD201 LD206 No Key ...

Page 101: ... 4 1 2 C C253 C254 CN202 4 1 1 C 1 1 1 R 5 0 1 R 3 1 3 C C113 L306 2 3 1 C 5 0 3 L L304 C328 8 0 3 L C320 3 2 3 C ANT305 2 0 2 B F 7 0 2 C C209 5 4 2 R C208 U203 C134 L303 L302 1 0 1 B F FL301 1 1 3 C 2 1 3 C 0 1 3 C ANT306 1 0 2 U C285 7 1 1 R C105 8 0 1 C C129 C117 1 7 2 R 2 7 2 R R225 3 2 2 R R220 3 7 2 R 1 0 2 Q R106 C125 R107 R116 1 0 1 C C120 C115 0 7 2 R C122 8 1 1 C C121 X102 3 2 2 C R219 ...

Page 102: ...MODE Engineering mode is designed to allow a service man engineer to view and test the basic functions provided by a handset The key sequence for switching the engineering mode on is 1809 108 Select Pressing END will switch back to non engineering mode operation Use Up and Down key to select a menu and press select key to progress the test Pressing back key will switch back to the original test me...

Page 103: ...of flash memory in GSM phone 11 AUTO CALIBRATION 11 AUTO CALIBRATION CM_GSM_MULTI Common Debug dll ocx Hot_Kimchi Model UI Multi_HK LG_UI_Ad6500_004 dll KF300d Spec_GU230_001 dwdio dll LG_RfCal_InfiKE000Ag_177 dll LG_RfTest_E5515C_122 dll xmm2130_eep008 cfg AutoSetup_GU230_001 Ezlooks Procedure_GU230_001 PwrSupply_Cmd script_001 Setup_Cal_Parameter_001 PwrSupply_Cmd DLL_PwrControlD dll Dll_SerialA...

Page 104: ...ersion ComLMPLib_1_11 dll Communication Module With PLC or Shield Box In Automation Rack Support to J S Shield Box and Tescom TC 5981A ComLMPLib_2_11 dll Communication Module With PLC or Shield Box In Automation Rack Support to J S Shield Box and Tescom TC 5981A Dll_EzLooksMQ_005 dll Communication Module with ezTray Installed In Local PC GuiTk115d dll control library ShieldBox_DllD dll Communicati...

Page 105: ...K reg 6 Connect as Fig 11 2 RS232 serial cable is connected between COM port of PC in general 7 Run HK_40exe to start calibration 8 Click Logic Operation of SETTING menu bar 11 AUTO CALIBRATION 11 4 Procedure XW VXZ_ 5 Model LG_RfCal_InfiKE000Ag_177 dll Main Module of Calibration LG_RfTest_E5515C_122 dll Main Module of Auto Test Xmm2130_eep008 cfg Cal Data Save binary Module AutoSetup_GU230_100 xm...

Page 106: ...for training and service purposes LGE Internal Use Only 11 AUTO CALIBRATION XW VXZ_ 9 Set PORT using RS232 cable that PC can communicate with the phone 11 AUTO CALIBRATION 10 Select LOGIC MODE that you want Logic mode 1 Calibration only 2 Auto test only 3 Cal Auto ...

Page 107: ...ly Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 11 AUTO CALIBRATION XW VXZ_ 11 AUTO CALIBRATION 11 Select the model name GS108 12 Click start button Model name Start button GS107 ...

Page 108: ...ency 124 37 975 Channel EGSM 900 32 5 dBm 32 5 dBm 32 5 dBm Max power 848 8 MHz 836 8 MHz 824 2 MHz Frequency 251 191 128 Channel GSM 850 High Middle Low Description BAND XW_VXZ_ 11 AUTO CALIBRATION 11 5 AGC This procedure is for Rx calibration In this procedure We can get RSSI correction value Set band EGSM and press Start button the result window will show correction values per every power level...

Page 110: ...Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 1 2 3 4 6 7 9 12 13 14 18 19 20 21 22 23 24 30 31 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 29 28 27 26 25 17 16 15 11 10 5 8 15 1 ...

Page 112: ...UNIT MLAP0001138 COMPLEX empty WITHOUT COLOR 3 MLAZ01 LABEL MLAZ0050901 PRINTING empty WITHOUT COLOR 2 APEY00 PHONE APEY0891201 GS108 SEABK BLACK 3 ACGK00 COVER ASSY FRONT ACGK0152901 BLACK C 4 MCJK00 COVER FRONT MCJK0116301 MOLD PC LUPOY SC 1004A BLACK 4 4 MFBZ00 FILTER MFBZ0008001 COMPLEX empty WITHOUT COLOR 8 4 MPBG00 PAD LCD MPBG0101001 COMPLEX empty WITHOUT COLOR 5 4 MPBN00 PAD SPEAKER MFBN00...

Page 113: ...ASSY MAIN AKAC0004401 BLACK D 10 3 GGZZ00 SCREW TAPPING GGZZ0005101 1 6 mm 4 5 mm MSWR3 BK N BH 2 1 6 4 5 SWCH FZB WITHOUT COLOR 30 3 MLAA00 LABEL APPROVAL MLAA0062303 COMPLEX empty WITHOUT COLOR 3 MTAB TAPE PROTECTION MTAB0371401 COMPLEX empty WITHOUT COLOR A 1 3 MWAC WINDOW LCD MWAC0130001 CUTTING PMMA MR 200 0 8 BLACK B 2 5 ADCA00 DOME ASSY METAL ADCA0104401 WITHOUT COLOR 11 5 MCBA00 CAN SHIELD...

Page 114: ...5 SVLM00 LCD MODULE SVLM0033401 Main 1 52 128 128 35 78 39 7 1 9 262K TFT TM LGDP4515 12 4 SAFF00 PCB ASSY MAIN SMT SAFF0268801 13 5 SAFC00 PCB ASSY MAIN SMT BOTTOM SAFC0142101 6 C101 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C102 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 6 C103 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C104 CAP CERAMIC CHIP ECCH00...

Page 115: ...AMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C128 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C129 CAP CERAMIC CHIP ECCH0000163 47 nF 10V K X5R HD 1005 R TP 6 C132 CAP CERAMIC CHIP ECCH0000151 4 7 nF 25V K X7R HD 1005 R TP 6 C133 CAP CERAMIC CHIP ECCH0003002 10000000 pF 10V Z Y5V HD 2012 R TP empty empty empty empty empty empty 1 25 mm 6 C134 CAP CERAMIC CHIP ECCH0004904 1 ...

Page 116: ...F 50V J NP0 TC 1005 R TP 6 C233 CAP CERAMIC CHIP ECCH0000161 33 nF 16V K X7R HD 1005 R TP 6 C234 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C235 CAP CERAMIC CHIP ECCH0003002 10000000 pF 10V Z Y5V HD 2012 R TP empty empty empty empty empty empty 1 25 mm 6 C244 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C245 CAP CERAMIC CHIP ECCH0001001 6 8 pF 50V D NP0 TC 1005 R TP...

Page 117: ...00000 pF 10V Z Y5V HD 2012 R TP empty empty empty empty empty empty 1 25 mm 6 C319 INDUCTOR CHIP ELCH0001417 33 nH J 1005 R TP PBFREE 6 C320 CAP CHIP MAKER ECZH0001002 0 5 pF 50V B NP0 TC 1005 R TP 6 C321 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C323 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C324 CAP CHIP MAKER ECZH0001217 470 nF 6 3V K X5R TC 1005 R TP 6 C326 C...

Page 118: ...ohm 1005 CHIP BEAD 300mA 6 FB201 FILTER BEAD CHIP SFBH0008101 600 ohm 1005 6 FB202 FILTER BEAD CHIP SFBH0008101 600 ohm 1005 6 FB203 FILTER BEAD CHIP SFBH0007101 120 ohm 1005 Ferrite Bead 6 FL301 FILTER SAW DUAL SFSB0001401 942 5 MHz 35 MHz 2 1 dB 20 dB 1842 5 MHz 75 MHz 2 3 dB 12 dB 2 0 1 6 0 68 SMD 925M 960M 1805M 1880M 10p B 150_82 150_15 EGSM DC S Rx 942 5 1842 5 2 0 1 6 0 68 SMD R TP 6 J201 C...

Page 119: ... R TP 6 R107 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R108 RES CHIP MAKER ERHZ0000529 1 5 Kohm 1 16W J 1005 R TP 6 R109 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP 6 R111 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R112 RES CHIP MAKER ERHZ0000476 39 Kohm 1 16W J 1005 R TP 6 R114 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R116 RES CHIP MAKER ERHZ0000...

Page 120: ...IP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R268 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R269 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R270 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R302 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R305 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005 R TP 6 R307 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005...

Page 121: ...8V ADMUX 32M 2Mx16 NOR 16M 2Mx8 UtRAM2 IC MCP 6 U201 IC EUSY0347001 MiniQFN 10L 10 PIN R TP 1 8X1 4X0 55 0 6 Dual SPDT Analog Switch IC Analog Switch 6 U203 IC EUSY0398301 QFN 18 R TP MUIC Lite IC Analog Switch 6 U204 IC EUSY0404001 BGA 8 R TP Class AB SPK Amp IC Audio Amplifier 6 U205 IC EUSY0410801 DFN 10 R TP DFN Cal Test Mode Single Charger IC for Micro USB IC Charger 6 U301 RF MODULE HANDSET ...

Page 122: ... CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C246 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C258 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C260 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 LD201 DIODE LED CHIP EDLH0015101 BLUE 1608 R TP Topview LED BLUE 2 7 3 2V 25mA 18 45mcd 465 475nm 95mW empty empty 2P 6 LD202 DIODE LED CHIP EDLH00151...

Page 123: ... 16W J 1005 R TP 6 R224 RES CHIP MAKER ERHZ0000496 560 ohm 1 16W J 1005 R TP 6 R227 RES CHIP MAKER ERHZ0000496 560 ohm 1 16W J 1005 R TP 6 R228 RES CHIP MAKER ERHZ0000496 560 ohm 1 16W J 1005 R TP 6 R230 RES CHIP MAKER ERHZ0000496 560 ohm 1 16W J 1005 R TP 6 SPFY PCB MAIN SPFY0212101 FR 4 0 8 mm BUILD UP 4 V40 6 VA201 VARISTOR SEVY0003901 5 5 V SMD Vdc 5 5 Vb 8 Cp 420 1 0 0 5 0 6 5 5 480 1 0 0 5 0...

Page 124: ... Label Black G 29 BATTERY PACK LI ION SBPL0091401 3 7 V 950 mAh 1 CELL PRISMATIC KU250 BATT Europe Pb Free 3 7V 950mAh 0 2C PRISMATIC 50x34x55 BLACK Innerpack Europe Label BLACK 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003218 empty BLACK 5P MICRO USB CONNECTOR 5P Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0034901 100 240V 5060 Hz 4 8 V 0 4 A GOST AC DC ADAPTOR 90Vac 264Vac 4 8Vdc 400mA 5060 CB WALL 2P...

Search results

Summary of Contents for GS107

Reviews:

Related manuals for GS107

Brands by name

Popular brands

LG GS107, Service Manual

Search results

Summary of Contents for GS107

Reviews:

Related manuals for GS107

Brands by name

Popular brands