LG GX300 Service Manual Download Page 142

Page: 142 / 188

- 14 -

LGE Internal Use Only

8. BGA PIN MAP

ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟
΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ

ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ

135/158

8.1 BGA IC pin check (U102) - SIM 1

Ball Diagram (Top View), PMB8810(A-GO)

8. BGA PIN MAP

SIM 1

: not in use

Summary of Contents for GX300

Page 1: ...Service Manual Model GX300 Internal Use Only Service Manual GX300 Date May 2010 Issue 1 0 ...

Page 2: ...3 17 Vibrator Interface 68 4 TROUBLE SHOOTING 69 4 1 Trouble shooting test setup 69 4 2 RF Component 70 4 3 RX Trouble 72 4 4 TX Trouble 78 4 5 Power On Trouble 84 4 6 Charging Trouble 87 4 7 Vibrator Trouble 89 4 8 LCD Trouble 91 4 9 Camera Trouble 95 4 10 Speaker Trouble 101 4 11 Earphone Trouble 104 4 12 Receiver Trouble 107 4 13 Microphone Trouble 110 4 14 SIM Card Interface Trouble 112 4 15 K...

Page 4: ...ommon 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 s...

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

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

Page 8: ...x Level 7 Charging time Approx 4 hours RX Sensitivity GSM EGSM 109dBm DCS 109dBm TX output power GSM EGSM 33dBm Level 5 DCS PCS 30dBm Level 0 SIM card type 3V Small Display MAIN 2 2 TFT 176 Ý 220 pixel 262K Color Status Indicator Hard icons Key Pad 0 9 Up Down Left Right Navigation Key Send Key PWR Key Soft Key Left Right Volume up down Camera hot key SIM switch key ANT Internal EAR Phone Jack Yes...

Page 9: ...ERFORMANCE ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 10 158 2 SYSTEM SPECIFICATION Travel Adapter Yes Speaker Receiver 18x12Ȱ Speaker Receiver MIDI SW MIDI Mono SPK Item Feature Comment Camera 2M Bluetooth FM Radio Bluetooth version 2 1 76 108MHz supported ...

Page 10: ... RX 1930 1990 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 EGSM 5 33dBm 2dB 13 17dBm 3dB Level Power Toler Level Power Toler 1 28dBm 3dB 9 12dBm 4dB 2 26dBm 3d...

Page 11: ...ctrum due 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 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 EGSM Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21...

Page 12: ...Specification 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 EGSM BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 102 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 8 3 dB 11 Sending Response 300 12 1 000 6 2 000 6 3 000 6 Frequency Hz Max dB Min dB 100 200 4 000 3 4...

Page 13: ...z Max dB Min dB 100 200 4 000 3 400 10 2 0 2 12 0 2 2 14 STMR 18 5 dB Mean that Adopt a straight line in between 300 Hz and 1 000 Hz to be Max level in the range 15 Stability Margin 6 dB 20 10 0 7 dB to ARL dB Level Ratio dB 35 30 10 30 7 33 3 33 7 31 7 17 5 22 5 25 5 16 Distortion 17 Side Tone Distortion Three stage distortion 10 18 System frequency 26 MHz tolerance 2 5 ppm 19 32 768KHz tolerance...

Page 14: ...Bar Number Power 4 2 104 2 106 Under 98 2 101 2 22 Antenna Display 2 1 1 0 Battery Bar Number Voltage 3 3 2 3 77 0 05 V 23 Battery Indicator 24 Low Voltage Warning Blinking Bar 3 60 0 05V Call one time per one minute 3 60 0 05V Standby one time per three minute 25 Forced shut down Voltage 3 33 0 05V 27 Battery Type Lithium Ion Battery Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capaci...

Page 15: ...4 A5 A5 6A A5 A 6A 06 6A A 06 5 5A 0A5 6 4 6 5 A5 A5 2 4 0 5 5 9 KNNVGT JCTIKPI 3 NCUJ TKXGT 8 75A75 57 2 60 5 4 75 8 A2 A A 6A 65 465AU 6A4 5 6A5 2A 176A5 2A417A5 5 A5 0 24 A 5A5 094A5 04 A5 0 8A5 07 A5 0 A5 0 24 A 06A5 0 24 A 75 A5 4 5 6A5 29410A5 5 A 1 5 A 5 A456 0 5 2 A6 A5 2 A4 A5 2 A5 0 A5 2 A A5 0A5 2A5 4 8A1760A5 4 8A1762A5 5A 0A5 5A 2AU 6 1 7 7 46A4 A5 7 46A6 A5 75 A 2A5 75 A A5 9LEUDWRU ...

Page 16: ...poses LGE Internal Use Only 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 17 158 3 TECHNICAL BRIEF 3 2 Digital Main Processor PMB8810 U102 U402 Figure 3 2 1 X Gold tm 213 Hardware Block Diagram 3 TECHNICAL BRIEF ...

Page 17: ...nsceiver Dual band direct conversion receiver Tri Quad band possible with external circuitry Fully integrated digital controlled X0 Additional buffer for 2 external system clocks Fully digital RF Synthesizer incl ȭȟ Transmitter 3 2 3 Baseband DSP 156 MHz TeakLite MCU ARM1176 208 MHz MCU RAM 3 00Mbit Memory I F 512 Mbit can be extended to 2 Gbit in AD Mux Demux and up to 4 Gbit in AAD Mux mode Mode...

Page 18: ... External Bus Unit 25 bit address bus 512 Mbit can be extended to 27 address bits 2 Gbit 16 bit data bus 1 8V 2 8V support Flash RAM NOR Type Serial Flash SPI and SPI 4 Parallel Flash Page Burst Mode 16 bit Demultiplexed 16 bit AD multiplexed 16 bit AAD multiplexed iNAND Type e g oneNAND Memory card SD MMC card interface with 1 or 4 data lines 3 2 5 Connectivity 3xUSIF configurable either as SPI o...

Page 19: ...adset 2x30 mW 16 ȳ w o coupling C Mono Earpiece 100 mW 16 ȳ Digital microphone supported Differential microphone inputs 3 2 7 FM Radio Integrated FM radio FM Stereo RDS Receiver Sensitivity 2 ɆV EMF Support for US EU bands Stereo recording 3 2 8 Power Management Direct to Battery Connection LDOs incl capless DC DC step down converter DC DC step up for white LED supply Battery Type Li Ion Charging ...

Page 20: ... 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 YUV RGB 2D vector graphics Lines filled rectangles Bit block transfer e g sprites scrolling antialiased bitmap fonts 3 2 10 Camera 2 0 Mpx CMOS HW JPEG encoder 39 Mpx sec 39 MHz Pixel Rate 15 fps 2 0 Mpx full resolution 3 2 11 Video Cap...

Page 21: ...t 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 213 3 TECHNICAL BRIEF DC DC Step Down Converter for 1 8V SD1 The DC DC converter generates a 1 8V supply rail This voltage rail is used to supply main parts of the system like the digital core of the chip via LDO LCORE some parts of the mixed signal macro parts of...

Page 22: ...es VPMU sued for the PMU supply e g for the startup state machine and analog parts like ADC sense amplifier etc LUSB The LUSB LDO generates the supply for the USB transceiver output driver and input If no USB interface is required LUSB can be used as general purpose LDO LAUX The LAUX generates VAUX It is a general purpose LDO and can be used for different functions depending on the phone applicati...

Page 23: ... Inc All right reserved Only for training and service purposes 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 24 158 3 TECHNICAL BRIEF Table 3 3 1 Power supply Domains without RF ...

Page 24: ... machine 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...

Page 25: ...for training and service purposes 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 26 158 3 TECHNICAL BRIEF Figure 3 3 2 First Part of the State Machine Running in Different Power Domains than the Second Part ...

Page 26: ...ng and service purposes LGE Internal Use Only 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 27 158 3 TECHNICAL BRIEF Figure 3 3 3 Second Main Part of the Startup State Machine in the VPMU Domain ...

Page 27: ...tate machine and after successfully detecting a high the system is switched on 3 3 5 Switching on due to charging When a battery with a voltage below the SSONLEV level is inserted the state machine will not start the system As long as the battery voltage stays lover than SYSONLEV the system will stay off The only possibility to start up the system is due to an external charger If an external charg...

Page 28: ...m 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 well defined sequence thus spreading the in rush current transients over time The IO s of X GOLD TM 213 are isolated in OFF mode core supply is off The isolation signal is controlled by the PMU state machine This ensures that the PADs are i...

Page 29: ...ight reserved Only for training and service purposes 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 30 158 3 TECHNICAL BRIEF Figure 3 3 4 Start Up Sequence triggered by First Connect Event ...

Page 30: ...f the reset handling block is the reset_postscu_n_o signal This signal controls for example the ɆC subsystem and releases reset for the controller During normal start up the PMU releases the reset_pmu_n_o signal after entering the SYSTEM ON state At this time the resetout_o signal is high the RESET_N pad is not pulled low and therefore the reset_postscu_n_o signal follows the reset_pmu_n_o signal ...

Page 31: ...he rf_sysclk_en signal of the DCXO in the RF macro During startup the PMU enables the DCXO After the system is running the DCXO is controlled by the SCU of the baseband by using the vcxo_enable signal This is handled by a dedicated logic in the PMU see Figure 3 3 6 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_s...

Page 32: ...egister are reset with the reset_pmufsm_no signal That means all PMU register are reset in OFF state For details about the SW reset see chapter External Reset Handling 3 3 9 Undervoltage Shutdown In active mode the PMU periodically measures the battery voltage using the ADC from the charger unit If the battery is measured to be below the programmable shut down level called SYSOFF the system change...

Page 33: ...y into its low power mode PFM In addition DC DC converter SD1 can be configured to change the output voltage to a lower value for additional power saving VCXO_enable is also used to deactivate the HPBG and setting LDO LPMU in the ultra low power mode In addition the DCXO is switched off by the VCXO_enable signal The VCXO_enable signal is also used to switch some LDO s software configured to sleep ...

Page 34: ...00 PA block and a DCS1800 PCS1900 PA block impedance matching circuitry for 50 ȳ input and output impedances TX harmonics filtering high linearity and a low insertion loss PHEMT RF switch 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 Heteroju...

Page 35: ...ΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 36 158 Table 3 4 1 Band SW Logic Table Figure 3 4 2 FEM CIRCUIT DIAGRAM 3 TECHNICAL BRIEF TX_EN BS1 BS2 STANDBY 0 X X X RX1 1 0 0 0 RX2 1 0 0 1 RX3 1 0 1 1 RX4 1 0 1 0 LB_TX 1 1 0 X HB_TX 1 1 1 X Mode VLOGIC Input Control Bits 1 X DON T CARE 2 RX1 RX2 RX3 and RX4 are broadband receive ports and each supports the GSM850 GSM900 DCS and PCS bands Figure 3 4 2 FEM CIR...

Page 36: ... wanted linear ppm vs AFC tuning curve some digital predistortion of the AFC word is required This predistortion is performed by the linearization unit for crystal oscillator LUXO The LUXO calculates the corresponding DIG value according to the given AFC value Figure 3 5 1 Crystal Oscillator External Connection The X GOLDTM213 RF Subsystem contains a fully integrated 26 MHz digitally controlled cr...

Page 37: ...ΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 38 158 3 6 RF Subsystem of PMB8810 U102 U402 3 6 1 GENERAL DESCRIPTION The PMB8810 RF subsystem is designed for dual band GSM voice and data applications GPRS class 12 The system can be configured to support one low band GSM850 or EGSM900 and one high band DCS1800 or PCS1900 A block diagram of the RF subsystem is given in Figure 3 6 1 Figure 3 6 1 Block DIAGRAM of RF Subsys...

Page 38: ...re Input impedance of the LNAs is optimized to achieve a matching without external high quality inductors By use of frequency dividers by 2 4 the LO frequency is derived from the RF frequency synthesizer The receive path is fully differential to suppress the on chip interferences and reduce DC offsets The analog chain of the receiver contains two LNAs low high band a quadrature mixer followed by a...

Page 39: ...nfiguration allows a very low power design without any external components Up and down ramping is performed via the ramping DAC connected to VRAMP RF synthesizer The RF subsystem contains a fractional N sigma delta synthesizer for the frequency synthesis Respective to the chosen band of operation the phase locked loop PLL operates at twice or forth of the target signal frequency In receive operati...

Page 40: ...6 2 3 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 41: ... 158 Figure 3 6 5 POWER SUPPLY BLOCK DIAGRAM 3 TECHNICAL BRIEF 3 6 2 4 Power Supply To increase power efficiency most parts of the RF subsystem are supplied by the DCDC converter situated in the PMU subsystem Conversion of the 1 8 V output voltage of the DCDC to the 1 3 V 1 4 V circuit supply voltages is achieved by several Low DropOut regulators LDO One embedded direct to battery LDO provides the...

Page 42: ...ΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 43 158 Figure 3 7 1 MAIN MEMORY BLOCK DIAGRAM 3 TECHNICAL BRIEF 3 7 MEMORY GX300 is composed of 3 memories 2 Main Memory NOR pSRAM are connected each Main Chip SIM1 AGR SIM2 AGR And 1 DPRAM is used to communicate between 2 Main Memory NOR pSRAM 3 7 1 Main memory PF38F6066M0Y3DE U100 PF38F3050M0Y3DE U401 ...

Page 43: ...of erase and program operations One Time Programmable OTP registers allow unique flash device identification that can be used to increase flash content security Also the individual block lock feature provides zero latency block locking and unlocking to protect against unwanted program or erase of the array The flash memory device offers three power savings features Automatic Power Savings APS mode...

Page 44: ...Figure 3 7 2 SIM1 Part Memory NOR pSRAM Circuit Diagram C4 C11 E7 D12 D4 E5 D10 E10 D11 E4 G3 G4 F6 F7 G8 G9 F10 F11 F4 F5 G6 G7 F8 F9 G11 G12 K14 K1 H12 H3 C12 C3 A14 A1 D9 G5 F3 E12 D5 G10 E3 H4 D7 H11 E9 E8 E11 E6 F12 D8 D6 H7 C8 C7 D3 H8 P_CRE WAIT_ P_LB_ P_UB_ P_CE1_ CLK WE_ OE_ AVD_ F1_CE_ F_RST_ F_WP_P_CE2 F_DPD VCC1 VCC2 VCCQ1 VCCQ2 VSS1 VSS2 VSS3 VSS4 F_VPP NC1 NC2 NC3 NC4 NC5 NC6 NC7 NC8...

Page 45: ...ining and service purposes 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 46 158 3 TECHNICAL BRIEF 3 7 3 GX300 SIM2 Part Main Memory PF38F3050M0Y3DF U401 Figure 3 7 3 SIM2 Part Main Memory NOR pSRAM Circuit Diagram ...

Page 46: ...ells IO address lines and control signals CS ADV OE and WE Between the two access ports one is a dedicated time multiplexed address and data interface the other is a pin selectable port to either standard SRAM or time multiplexed address and data interface Independent control signals for each port permit simultaneous access to any location in memory To handle the situation of writing and reading t...

Page 47: ... for training and service purposes 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 48 158 3 TECHNICAL BRIEF 3 7 5 GX300 Dual Port Memory CYDMX128B16 65BVXI U400 Figure 3 7 3 Dual Port Memory Circuit Diagram ...

Page 48: ...Figure 3 8 1 Bluetooth BLOCK DIAGRAM This module has an integrated radio transceiver that has been optimized for use in 2 4GHz Bluetooth Wireless systems It has been designed to provide low power robust communications for applications Operating in the globally available 2 4GHz unlicensed ISM band It is fully compliant with the Bluetooth Radio Specification and enhanced data rate specification and ...

Page 49: ...GFSK 2 5V supply Due to the linear nature of the PA combined with some integrated filtering no External filters are requires for meeting Bluetooth and regulatory harmonic and spurious requirements For integrated mobile handset applications where Bluetooth is integrated next to the celluar radio minimal external filtering can be applied to achieve near thermal noise levels for spurious and radiated...

Page 50: ...fault status SIM_CLK SIM card reference clock SIM1_IO SIM2_IO This signal is interface datum The Main Base Band Processor XMM2130 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_IO SIM_CLK SIM_RST GX300 supports dual S...

Page 51: ...chip SoC driver for a TFT liquid crystal display with resolution of 176RGBx220 dots comprising a 528 channel source driver a 220 channel gate driver 87120 bytes RAM for graphic data of 176RGBx220 dots and power supply circuit LGDP4525B can operate with low I O interface power supply up to 1 65V with an incorporated voltage follower circuit to generate voltage levels for driving an LCD The LGDP4525...

Page 52: ...s in 1x 1 5x or 2x mode An optional fading feature that gradually adjusts the backlight current is provided to simplify control software The RT9367C also provides two low dropout low noise linear regulators for powering a camera module or other peripheral circuits The RT9367C uses the proprietary SemWireTM single wire interface The interface controls all functions of the device including backlight...

Page 53: ...ks have matched currents even when there is variation in the forward voltages ȟVF of the LEDs A ȟVF of 1 2V is supported when the input voltage is at 3 0V Higher ȟVF LED mis match is supported when VIN is higher than 3 0V All current sink outputs are compared and the lowest output is used for setting the voltage regulation at the VOUT pin This is done to ensure that suffi cient bias exists for all...

Page 54: ...for charging a single cell lithium ion Li battery The IC controls the charging sequence from the prequalification 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...

Page 55: ...mns that is 64 standard keys By adding an additional row of keys connected to ground the number of keys can be extended by up to 8 keys This results in a maximum number of 72 keys to by identified by the Keypad Interface Controller The Keypad Scan Module reduces the number of interrupts and polling through the processor and therefore reduces the power consumption The module is able to debounce and...

Page 56: ...r training and service purposes LGE Internal Use Only 3 Technical brief ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 57 158 Figure 3 12 1 Block Diagram and System Integration of the KPD 3 TECHNICAL BRIEF ...

Page 57: ...one 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 213 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 213 A more detailed functional description will be given in ...

Page 58: ... 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 GOLD 213 On the TX path 83 1 s on the VTPDM line correspond to a 16 bit value of 7CCBH and 17 1 ...

Page 59: ...is 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 addi...

Page 60: ...ivers 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 61: ...io 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 62: ...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 63: ...essing unit supports image sensors with integrated YCbCr processing Scaling is used for downsizing the sensor data for either displaying them on the LCD or for generating data streams for MPEG 4 compression In general YCbCr 4 2 2 JPEG compressed images should use the full sensor resolution but they can also be downscaled to a lower resolution for smaller JPEG files Scaling also can be used for dig...

Page 64: ...an tables Windowing and frame synchronization Continuous resize support Frame skip support for video e g MPEG 4 encoding Macro block line frame end capture error data loss interrupts and sync h_start v_start interrupts Programmable polarity for synchronization signals Luminance chrominance and chrominance blue red swapping for YUV input signals Maximum input resolution of 3 Mpixels 2048x1536 pixel...

Page 65: ...le interface along with eight selectable Flash Time Out durations One high current Flash LED can be driven either in a high power Flash mode or a low power Torch mode The Strobe pin allows the flash to be toggled via a Flash enable signal from a camera module The TX input pin limits the Flash LED current to the Torch current level during a RF PA pulse to reduce high loads on the battery Internal s...

Page 66: ... ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 67 158 3 16 KEY BACLKLIGHT LED Interface Key Backlight LED is controlled by switch Q500 If KEY_BL_EN is high Current is flowing from VBAT to LED Then Light emitted from The LED Figure 3 16 1 Key Backlight Block 3 TECHNICAL BRIEF ...

Page 67: ...ΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 68 158 3 17 Vibrator Interface Support PWM signal which generated by hardware itself via register control Direct connect to the VIB and VSSVIB pin from XMM2130 without any external component required It is capable to driver the vibrator motor up to 150mA Figure 3 17 1 Vibrator Driver Block Diagram 3 TECHNICAL BRIEF Figure 3 17 2 Vibrator Driver Block ...

Page 68: ...ΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 4 1 Trouble shooting test setup 69 158 4 TROUBLE SHOOTING Figure 4 1 1 Equipment setup 4 TROUBLE SHOOTING Power on all of test equipment Connect PIF UNION JIG or dummy battery to the DUT for power up Connect mobile switch cable between Communication test set and DUT when you need to make a phone call Follow trouble shooting procedure 4 Trouble Shooting 4 Trouble Shooting...

Page 69: ...ΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 70 158 4 2 RF Component 4 TROUBLE SHOOTING Figure 4 2 1 SIM 1 main block U100 Memory 1G NOR 256pSRAM PF38F6066M0Y3DE U102 PMB8810 Main Chip A GOLDRADIO U302 FEM Tx Module X100 Crystal 26MHz Clock 4 2 1 SIM 1 main U102 U302 U100 X100 SIM 1 ...

Page 70: ...ΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 71 158 4 TROUBLE SHOOTING Figure 4 2 2 SIM 2 sub block U401 Memory 128NOR 64pSRAM PF38F3050M0Y3DE U402 PMB8810 Sub Chip A GOLDRADIO U300 FEM Tx Module U400 Memory Dual Port SRAM CYDMX128B16 65BVXI X401 Crystal 26MHz Clock 4 2 2 SIM 2 sub U402 U300 U401 U400 X401 SIM 2 ...

Page 71: ...Τ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 72 158 START Re download SW and Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62 CH 60 dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check Crystal Circuit Check Mobile SW TX module And Rx Circuit 4 3 RX Trouble CHECKING FLOW 4 TROUBLE SHOOTING ...

Page 72: ...No Crystal is OK See next page to check Mobile SW TX module and Rx Circuit Yes Replace X100 or X401 Figure 4 3 5 26MHz output waveform X100 1 pin 26MHz Figure 4 3 1 SIM 1 main crystal Figure 4 3 2 SIM 2 sub crystal X401 1 pin 26MHz 1 pin Figure 4 3 3 SIM 1 crystal circuit Figure 4 3 4 SIM 2 crystal circuit SIM 1 SIM 2 1 pin SIM 1 SIM 2 26MHz G2 G3 M8 A11 B11 K12 K11 B2 A3 B3 A2 J8 H7 J7 H8 NDPRAM_...

Page 73: ...ΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 74 158 4 3 2 Checking Mobile SW FEM 4 TROUBLE SHOOTING TEST POINT Figure 4 3 6 SIM 1 Mobile SW FEM Figure 4 3 7 SIM 2 Mobile SW FEM SIM 1 TP2 SW300 TP1 TP3 TP4 VLOGIC TP5 Tx_EN TP6 BS1 TP7 BS2 FL304 FL302 SIM 2 TP7 BS2 TP1 SW301 TP2 TP3 TP4 VLOGIC TP5 Tx_EN TP6 BS1 FL300 FL301 ...

Page 74: ...ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 75 158 4 TROUBLE SHOOTING CIRCUIT CONTROL LOGIC EGSM Rx TP2 TP1 TP3 TP4 TP5 TP6 TP7 SIM 1 Figure 4 3 8 SIM1 Mobile SW FEM circuit Figure 4 3 9 SIM1 TP4 TP7 scope waveform VLOGIC Tx_EN BS1 BS2 1842 5MHz 75MHz 881 5MHz 25MHz TP1 TP2 TP7 TP6 TP5 TP4 TP3 ...

Page 75: ... ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 76 158 4 TROUBLE SHOOTING CIRCUIT TP2 TP4 TP1 TP3 TP5 TP6 TP7 SIM 2 Figure 4 3 10 SIM2 Mobile SW FEM circuit CONTROL LOGIC EGSM Rx Figure 4 3 11 SIM2 TP4 TP7 scope waveform VLOGIC Tx_EN BS1 BS2 881 5MHz 25MHz 1842 5MHz 75MHz TP1 TP2 TP7 TP6 TP5 TP4 TP3 ...

Page 76: ...ΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 77 158 CHECKING FLOW 4 TROUBLE SHOOTING Start TP1 TP2 is Short Replace Mobile SW SW300 or SW301 Yes No Yes Re download SW and Do calibration again Check PMB8810 Check TP4 TP7 No Yes Replace FL302 FL304 or FL300 FL301 Check FL302 FL304 or FL300 FL301 No Yes Replace U302 or U300 No Check TP3 Vbat of U302 or U300 EGSM Rx TP4 TP5 TP6 TP7 SIM 1 Component or SIM 2 Co...

Page 77: ...Τ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 78 158 4 4 TX Trouble CHECKING FLOW 4 TROUBLE SHOOTING START Re download SW and Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62 CH 60 dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check Crystal Circuit Check Mobile SW TX module And Tx Circuit ...

Page 78: ...No Crystal is OK See next page to check Mobile SW TX module and Rx Circuit Yes Replace X100 or X401 Figure 4 4 5 26MHz output waveform X100 1 pin 26MHz Figure 4 4 1 SIM 1 main crystal Figure 4 4 2 SIM 2 sub crystal X401 1 pin 26MHz 1 pin Figure 4 4 3 SIM 1 crystal circuit Figure 4 4 4 SIM 2 crystal circuit SIM 1 SIM 2 1 pin SIM 1 SIM 2 26MHz G2 G3 M8 A11 B11 K12 K11 B2 A3 B3 A2 J8 H7 J7 H8 NDPRAM_...

Page 79: ...Ν ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ _WVX _ 4 TROUBLE SHOOTING 4 4 2 Checking Mobile SW TX Module TEST POINT Figure 4 4 6 SIM 1 Mobile SW TX Module Figure 4 4 7 SIM 2 Mobile SW TX Module SIM 1 TP2 SW300 TP1 TP3 TP4 VLOGIC TP5 Tx_EN TP6 BS1 TP7 BS2 SIM 2 TP8 Tx_Ramp TP7 BS2 TP1 SW301 TP2 TP3 TP4 VLOGIC TP5 Tx_EN TP6 BS1 TP8 Tx_Ramp ...

Page 80: ...ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 81 158 4 TROUBLE SHOOTING CIRCUIT SIM 1 Figure 4 4 8 SIM1 Mobile SW TX Module circuit TP2 TP1 TP3 TP4 TP5 TP6 TP7 TP8 CONTROL LOGIC Figure 4 4 9 SIM1 TP4 TP8 scope waveform Low Band Tx VLOGIC Tx_EN BS1 BS2 Tx_EN Tx_Ramp 1842 5MHz 75MHz 881 5MHz 25MHz TP1 TP2 TP7 TP6 TP5 TP4 TP3 TP8 ...

Page 81: ...ΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 82 158 4 TROUBLE SHOOTING CIRCUIT SIM 2 Figure 4 4 10 SIM2 Mobile SW TX Module circuit TP2 TP4 TP1 TP3 TP5 TP6 TP 7 TP8 CONTROL LOGIC Figure 4 4 11 SIM2 TP4 TP8 scope waveform Low Band Tx VLOGIC Tx_EN BS1 BS2 Tx_EN Tx_Ramp 881 5MHz 25MHz 1842 5MHz 75MHz TP1 TP2 TP7 TP6 TP5 TP4 TP3 TP8 ...

Page 82: ...Σ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ Check PMB8810 circuit 83 158 CHECKING FLOW 4 TROUBLE SHOOTING Start TP1 TP2 is Short Replace Mobile SW SW300 or SW301 Yes No Yes Re download SW and Do calibration again Check PMB8810 Check TP4 TP7 No Yes Check TP8 No Yes Replace U302 or U300 No Check TP3 Vbat of U302 or U300 Low Band Tx TP4 TP5 TP6 TP7 SIM 1 Component or SIM 2 Component ඬ ...

Page 83: ...ΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 84 158 4 5 Power On Trouble 4 TROUBLE SHOOTING 1V8_VDD TP5 VPMU TP11 VCORE TP4 VUSB TP12 VMMC TP13 VAUX TP7 VDDTRX TP8 VDDMS TP2 VDDXO TP3 VDDTDC TP9 VDD_VRF2 TP10 VRF1 TP6 U102 Figure 4 5 1 Figure 4 5 2 Figure 4 5 3 Remote power on TP1 TP1 TP1 4 5 Power On Trouble ...

Page 84: ...E SHOOTING Figure 4 5 4 power block of GX300 TP14 TP2 TP8 TP10 TP3 TP5 TP4 TP6 TP9 TP7 TP11 TP12 TP13 L4 A14 K1 A15 P2 N1 R15 M2 T15 N3 M11 M1 M10 L1 N11 K2 R11 K3 T11 N12 6 K 5 T 6 R 7 M 4 T 6 M 6 L 0 1 L 5 1 C 5 1 F 0 1 H 3 1 G 9 M 7 L 2 1 F 8 P 2 1 E 4 1 G 6 1 R 2 1 A 2 1 B 1 1 E 3 1 H 2 1 G 3 1 A 0 1 J 3 1 F 4 1 F 5 1 P 4 1 P 8 G 8 K 9 J 9 H 8 F 9 T 0 1 P 5 R 7 K 9 G 8 N 6 1 P 4 1 L 7 R 7 T 6 ...

Page 85: ...to high of POWERKEY TP1 Check the voltage of The LDO outputs at U102 Logic level at RPWRON of R227 HIGH Is the phone power on The phone will Properly operating Charge or Change Battery Check the contact of power key Or dome switch Replace U102 VCORE TP4 1 2V VPMU TP11 1 2V VRTC 2 3V VDD_1 8V TP5 1 8V VAUX TP7 2 8V VMMC TP13 2 8V VDD_RF2 TP10 2 5V VRF1 TP6 1 8V VDDTRX TP8 1 3V VDDMS TP2 1 3V VDDXO ...

Page 86: ...GE Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 87 158 4 6 Charging Trouble TEST POINT CIRCUIT Figure 4 6 1 4 TROUBLE SHOOTING CN200 U205 Figure 4 6 2 TP3 TP1 TP3 TP2 TP4 TP4 TP1 TP2 TP1 TP2 TP3 TP4 ...

Page 87: ...nnector CN200 well soldered Check the voltage at Pin 1 of BQ25040 TP1 4 8V Is the voltage at Pin 10 of BQ25040 TP4 4 2V YES YES YES Battery is charged YES Charging is properly operating NO NO NO Resolder the CN200 Pin 1 VCHARGE The TA is out of order Change the TA Replace the U205 Replace the main board Battery is charged NO Change the battery Charging is properly operating YES NO Is the voltage a...

Page 88: ...ΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 89 158 4 TROUBLE SHOOTING 4 7 Vibrator Trouble TEST POINT CIRCUIT Figure 4 7 1 U102 Figure 4 7 2 TP1 TP2 TP1 TP2 4 B 3 1 L 5 1 L 6 1 L 4 A 8 R 8 T 0 1 F 9 E 9 C 9 B 9 D 0 1 E 0 1 D 0 1 C 0 1 B 2 0 1 L VB100 1 0 1 R 0 0 1 R 1 0 1 L 3 0 1 L C110 C111 C106 8 0 1 C 7 0 1 C 1 0 1 N C 0 0 1 L U102 TP2 TP1 ...

Page 89: ... ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 90 158 4 TROUBLE SHOOTING CHECKING FLOW SETTING Enter the engineering mode and set vibrator on at vibration of BB test menu START YES NO YES Vibrator Working well Replace the U102 NO Check the contacted of vibrator Replace vibrator Is the voltage at TP1 high Is the voltage at TP2 high NO YES Replace the L103 ...

Page 90: ...rvice purposes LGE Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 91 158 4 TROUBLE SHOOTING 4 8 LCD Trouble TEST POINT Figure 4 8 1 CN502 TP4 TP5 TP3 FL500 FL502 FL501 U500 TP6 TP2 TP1 ...

Page 91: ...ly for training and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 92 158 4 TROUBLE SHOOTING CIRCUIT Figure 4 8 2 TP1 TP2 TP4 TP5 TP3 TP6 LCD_BL_EN TP2 15pF 15pF 15pF TP6 TP3 TP4 TP5 TP1 ...

Page 92: ... LGE Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 93 158 4 TROUBLE SHOOTING WAVEFORM Graph 4 8 1 LCD Backlight Control Signal Waveform Graph 4 8 2 LCD Data Waveform LCD_RS TP4 LCD_CS TP5 LCD_WR TP3 ...

Page 93: ...ion of CN501 with LCD connector ok YES NO Reassemble LCD connector NO Check the Voltage Level of TP1 is about Battery voltage LCD_BL_EN signal is high Level NO YES YES Check the Waveform of EMI filter TP3 TP4 TP5 Resoldering or Replace U500 NO Resoldering EMI filter FL500 FL501 FL502 Does LCD work properly Replace LCD module LCD working well YES Is the connection of CN501 with CN100 connector ok Y...

Page 94: ...ice purposes LGE Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 95 158 4 TROUBLE SHOOTING 4 9 Camera Trouble TEST POINT U502 U500 CN50 2 TP1 TP3 TP2 TP4 TP5 TP6 TP7 U102 S502 Figure 4 9 1 ...

Page 95: ...r training and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 96 158 4 TROUBLE SHOOTING TP1 TP2 TP3 TP4 TP5 TP6 TP8 TP7 TP9 TP10 Figure 4 9 2 CIRCUIT TP9 TP10 TP7 TP5 TP6 TP8 TP4 TP1 TP2 TP3 ...

Page 96: ...ΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 97 158 4 TROUBLE SHOOTING WAVEFORM Graph 4 9 1 I2C Data Waveform Graph 4 9 3 CAM_VSYNC vs CAM_HSYNC Waveform CAM_MCLK TP4 Graph 4 9 2 MCLK Waveform Graph 4 9 4 CAM_HSYNC vs CAM_PCLK Waveform 13MHz 20 8MHz CAM_VSYNC TP9 CAM_HSYNC TP10 CAM_HSYNC TP10 CAM_PCLK TP7 I2C_DATA TP6 CAM_RESET TP8 CAM_MCLK TP4 ...

Page 97: ...raining and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 98 158 4 TROUBLE SHOOTING VSYNC TP9 HSYNC TP10 CAM_ Data Graph 4 9 5 CAM Output Timing Waveform Graph 4 9 6 CAM Output Timing Waveform ...

Page 98: ...LGE Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 99 158 4 TROUBLE SHOOTING Graph 4 9 7 Output Data and Pixel Clock Timing Graph 4 9 8 Output Data and Pixel Clock Timing HSYNC TP10 PCLK TP7 CAM_ Data ...

Page 99: ...connection of S501 with Camera ok Check the each voltage Level of TP1 1 8V TP3 2 8V TP2 1 5V is right Check the Waveform of I2C_CLK TP5 I2C_DATA TP6 Does Camera work properly Check the 13MHz of CAM_MCLK TP7 Check the Waveform of Data pins on S501 START Camera working well NO Reassemble camera connector with camera NO NO YES YES Resoldering or Replace U500 502 NO Resoldering R132 R133 Replace U102 ...

Page 100: ...nternal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 101 158 TEST POINT Figure 4 10 1 2 TROUBLE SHOOTING CIRCUIT TP4 TP3 TP1 U202 TP2 U102 TP5 TP6 4 10 Speaker Trouble CN101 TP1 TP2 U202 Figure 4 10 2 TP1 TP2 U202 ...

Page 101: ...ning and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 102 158 CIRCUIT 2 TROUBLE SHOOTING 4 10 Speaker Trouble TP3 TP4 TP5 TP6 CN101 Figure 4 10 3 9 R 5 A 5 B 8 C 8 B TP5 TP6 LSN LSP TP3 TP4 CN101 ...

Page 102: ...OUBLE SHOOTING START Play any Sound file Check the Audio signal of TP1 TP2 is it ok Check the Audio signal TP3 TP4 is it ok No Yes Re soldering or Replace TP5 TP6 Re download the board Or Replace of U102 BaseBand chip No Check the Audio signal CN101 Is it ok No Replace or Change U202 U207 Yes Yes Check the signal of I2C CLK DATA Is it ok No Yes Replace or Change the FPCB Speaker Working well The S...

Page 103: ...e purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 104 158 4 11 Earphone Trouble TEST POINT Figure 4 11 1 2 TROUBLE SHOOTING U202 TP1 TP2 IC200 CN200 TP7 TP3 TP4 TP1 U202 TP2 U102 TP5 TP6 Figure 4 11 2 CIRCUIT TP1 TP2 U202 ...

Page 104: ...E Internal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 105 158 4 11 Earphone Trouble CIRCUIT 2 TROUBLE SHOOTING TP3 TP4 IC200 TP7 CN200 TP5 TP6 Figure 4 11 3 9 R 5 A 5 B 8 C 8 B TP5 TP6 CN200 CN200 TP7 TP3 TP4 ...

Page 105: ... from the earphone Set the audio part of the test equipment to PRBS or Continuous wave mode YES YES Can you hear the sound from the earphone NO NO Check the Audio signal of TP1 TP2 is it ok Check the Audio signal TP3 TP4 is it ok No Yes Re soldering or Replace TP5 TP6 Re download the board or Replace of U102 BaseBand chip No Check the Audio signal Pin 2 3 of CN200 Is it ok No Replace or Change U20...

Page 106: ...ternal Use Only 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 107 158 4 12 Receiver Trouble TEST POINT Figure 4 12 1 2 TROUBLE SHOOTING CIRCUIT TP4 TP3 TP1 U202 TP2 U102 TP5 TP6 CN101 U202 TP1 TP2 Figure 4 12 2 TP1 TP2 U202 ...

Page 107: ...ly for training and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 108 158 CIRCUIT 2 TROUBLE SHOOTING TP3 TP4 TP5 TP6 CN101 Figure 4 12 3 9 R 5 A 5 B 8 C 8 B TP5 TP6 LSN LSP TP3 TP4 CN101 ...

Page 108: ...TROUBLE SHOOTING START Play any Sound file Check the Audio signal of TP1 TP2 is it ok Check the Audio signal TP3 TP4 is it ok No Yes Re soldering or Replace TP5 TP6 Re download the board Or Replace of U102 BaseBand chip No Check the Audio signal CN101 Is it ok No Replace or Change U202 Yes Yes Check the signal of I2C CLK DATA Is it ok No Yes Replace or Change the FPCB Speaker Working well The Soun...

Page 109: ...d service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 110 158 4 13 Microphone Trouble TEST POINT Figure 4 13 1 2 TROUBLE SHOOTING TP2 TP3 MIC200 MIC200 U206 TP1 TP2 TP3 U203 Figure 4 13 2 CIRCUIT TP1 MIC200 TP1 ...

Page 110: ...Ν ΆΤΖ ΟΝΪ 111 158 START NO YES Microphone will work properly SETTING After initialize Agilent 8960 Test EGSM900 DCS mode or PCS mode YES Check the signal Level at each side of MIC200 Is it a few tens mV AC Check the soldering of TP2 TP3 Make a phone call then check TP1 mic bias signal comes from U102 NO Change the MIC200 U203 U204 YES NO Resolder component CHECKING FLOW 1 Check mic Bias signal lin...

Page 111: ...for training and service purposes 4 Trouble Shooting TP1 ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 112 158 4 14 SIM Card Interface Trouble TEST POINT CIRCUIT Figure 4 14 1 4 TROUBLE SHOOTING TP1 S10 0 TP1 Figure 4 14 2 0 ...

Page 112: ...G FLOW 4 TROUBLE SHOOTING 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 TP1 of S100 2 85V or 1 8V NO Change the U102 NO YES Re soldering S100 YES Voltage output of VSIM LDO Is 2 85Vor 1 85V Change the SIM Card And try again Does it work Properly YES SIM card is properly working Re download SW Does it work Proper...

Page 113: ...and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 114 158 4 TROUBLE SHOOTING 4 15 KEY backlight Trouble TEST POINT Figure 4 15 1 R541 R540 LD501 TOP BOTTOM LD502 TP1 LD505 LD507 LD503 LD504 LD506 LD508 ...

Page 114: ...ΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 115 158 4 TROUBLE SHOOTING CHECKING FLOW CIRCUIT Main Key backlight LED interface Figure 4 15 2 TP1 Is TP1 high NO Check Q500 Are all LEDs Working NO YES Check the soldering each R and LED Backlight will work properly NO Replace or resolder component YES START TP1 ...

Page 115: ... for training and service purposes 4 Trouble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 116 158 4 TROUBLE SHOOTING 4 16 Micro SD Trouble TEST POINT CIRCUIT Figure 4 16 1 TP1 TP2 S500 TP1 TP2 Figure 4 16 2 TP2 TP1 ...

Page 116: ...ΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 117 158 4 TROUBLE SHOOTING Micro SD Card will work properly Micro SD Detect OK START Re attach or Replace S500 NO YES uSD_DET C506 TP2 Is High NO YES Check out MC_CLK Data Timing OK Re download SW NO YES YES Replace Micro SD Card CHECKING FLOW Check the R505 TP1 2 8V YES NO Change U102 ...

Page 117: ...uble Shooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 118 158 4 TROUBLE SHOOTING 4 17 Bluetooth Trouble TEST POINT CIRCUIT TP1 TP2 TP3 TP4 Figure 4 17 1 Bluetooth block BT Ant TP1 TP2 TP3 TP4 Matching Component Figure 4 17 2 Bluetooth circuit TP1 TP2 TP3 TP4 ...

Page 118: ...ΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 119 158 4 TROUBLE SHOOTING Check condition of matching components START NO CHECKING FLOW YES Replace U303 A condition is good NO YES Give the additory solder in L323 C358 C359 Repair Matching components Check TP1 VAUX TP2 1V8_VDD YES NO Check TP3 CLK32K_S1 YES NO Check TP4 BT_CLK_S1 NO Check U102 circuit Check U102 circuit Check U102 circuit U102 PMB8810 Main Chi...

Page 119: ...ooting ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 120 158 4 TROUBLE SHOOTING 4 18 FM Radio Trouble TEST POINT CIRCUIT Figure 4 18 1 FM Radio test point Figure 4 18 2 FM Radio circuit CN200 IC200 Filter Circuit U102 D16 A14 A15 R15 T15 M11 M10 N11 R11 T11 N12 7 P U102 ...

Page 120: ...ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 121 158 4 TROUBLE SHOOTING CHECKING FLOW A condition is good START NO YES A condition is good NO YES Give the additory solder in L201 C231 C232 Check Trouble Shooting 4 11 Ear mic Check U102 Circuit VDD_FMR Check of Ear jack condition Check condition of Filter Circuit L201 C231 C232 ...

Page 121: ...al Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 5 Download 5 Download k G GaG㜼 Onzt s pG GZUWP XUj G G GGaG㜼 iyh psGO tnP YUGzV G 㾡 aG㜼 OGw 㾡ㇵḴ㛺㢀UGP GX300 GX300 ...

Page 122: ... 123 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Download kss 㾡 a 㜼 On Y_W kssP kssG 㾡 aG㜼 On Y_W UkssP GX300 GX300 GX300 ...

Page 130: ... 131 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 Download GX300 GX300 GX300 GX300 GX300 GX300 GX300 GX300 GX300 ...

Page 134: ...A 176A5 2A417A5 5 A5 0 24 A 5A5 094A5 04 A5 0 8A5 07 A5 0 A5 0 24 A 06A5 0 24 A 75 A5 4 5 6A5 29410A5 5 A 1 5 A 5 A456 0 5 2 A6 A5 2 A4 A5 2 A5 0 A5 2 A A5 0A5 2A5 4 8A1760A5 4 8A1762A5 5A 0A5 5A 2AU 6 1 7 7 46A4 A5 7 46A6 A5 75 A 2A5 75 A A5 9LEUDWRU XDO 6 0 6RFNHW ODVK 2A 57 5 56 9 5 24 8 0DLQ 0 6 HDGVHW 0 6 5 9 6 7 6 1 7 86 6 8 57 7 6SHDNHU 75 75 2KP 75 QPPGEVQT 2 5 176 5 5 A5 0 24 A 5A5 094A5 ...

Page 136: ...z 9 R 5 A 5 B 8 C 8 B 8 A 8 D 4 B 3 1 L 5 1 L 6 1 L 4 A 8 R 8 T 0 1 F 9 E 9 C 9 B 9 D 0 1 E 0 1 D 0 1 C 0 1 B 0 1 A 9 A 6 E 7 G 6 F 7 E 7 F 6 G 8 E 7 C 6 C 7 B 7 A 5 C 6 B 6 A 2 D 1 G 1 F 4 D 3 C 3 E 4 F 2 E 3 F 1 B 1 C 2 C 3 D 2 F 1 D 1 E 9 L 0 1 K 8 L F9 G10 H11 T1 J11 A1 F11 T16 G11 A16 C4 J12 T10 J13 P11 K16 R10 H15 H16 P13 G16 P12 J16 T13 J15 R13 H12 T12 R12 K5 G5 N15 H6 N16 H2 T14 H3 R14 H1 ...

Page 138: ... 139 7 Circuit diagram LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 881 5MHz 25MHz 1842 5MHz 75MHz 1842 5MHz 75MHz 881 5MHz 25MHz ...

Page 139: ...A1 F11 T16 G11 A16 C4 J12 T10 J13 P11 K16 R10 H15 H16 P13 G16 P12 J16 T13 J15 R13 H12 T12 R12 K5 G5 N15 H6 N16 H2 T14 H3 R14 H1 M16 M15 G4 G2 K15 G3 M8 T2 P9 A11 J6 B11 R3 K12 M3 K11 K4 B2 N4 A3 T3 B3 J3 A2 R2 J8 P4 H7 H4 J7 J2 H8 J4 R1 B14 C12 J1 B15 R4 B16 C13 P3 B13 P1 C14 P5 E16 N2 F16 L3 C16 L2 D16 L4 A14 K1 A15 P2 N1 R15 M2 T15 N3 M11 M1 M10 L1 N11 K2 R11 K3 T11 N12 6 K 5 T 6 R 7 M 4 T 6 M 6...

Page 140: ... 141 7 Circuit diagram LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 15pF 15pF 15pF 15pF 15pF LCD_BL_EN Not Mount ...

Page 141: ... 142 LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes SIM1_IO FL_OUT FL_OUT LSN LSP VIB_P FL_OUT FL_OUT SIM2_IO 7 Circuit diagram ...

Page 142: ...ice purposes LGE Internal Use Only 8 BGA Pin Map 8 BGA Pin Map ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 135 158 8 1 BGA IC pin check U102 SIM 1 ؼ Ball Diagram Top View PMB8810 A GOLDRADIO 8 BGA PIN MAP SIM 1 not in use ...

Page 143: ...ed Only for training and service purposes 8 BGA Pin Map ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 136 158 ؼ Ball Diagram Top View PMB8810 A GOLDRADIO 8 BGA PIN MAP 8 2 BGA IC pin check U402 SIM 2 SIM 2 not in use ...

Page 144: ... and service purposes LGE Internal Use Only 8 BGA Pin Map ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 137 158 8 BGA PIN MAP ؼ Ball Diagram Top View PF38F6066M0Y3DE 8 3 BGA IC pin check U100 SIM 1 SIM 1 not in use ...

Page 145: ...rved Only for training and service purposes 8 BGA Pin Map ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 138 158 8 BGA PIN MAP ؼ Ball Diagram Top View PF38F3050M0Y3DE 8 4 BGA IC pin check U401 SIM 2 SIM 2 not in use ...

Page 146: ...ervice purposes LGE Internal Use Only 8 BGA Pin Map ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 139 158 8 BGA PIN MAP ؼ Ball Diagram Top View CYDMX128B16 65BVXI 8 5 BGA IC pin check U400 Dual Port SRAM not in use DPRAM ...

Page 148: ... 3 0 5 B K LD504 LD508 3 5 R LD502 KB515 2 4 5 R 0 1 5 A V 3 4 5 R 1 1 5 A V LD506 R535 MIC200 5 0 5 K 0 2 5 B K 2 2 5 B K 8 1 5 B K 2 1 5 B K 8 0 5 B K 4 0 5 B K LD505 3 1 5 A V LD503 2 0 4 N C 2 0 1 N C KB521 6 4 5 R 4 1 5 A V 5 4 5 R 4 4 5 R 2 1 5 A V LD507 R531 0 1 5 B K 1 0 1 N C KB514 KB523 KB509 KB502 KB506 R226 GX300_MAIN_SPFY0222401 1 1 TOP MIC200 No MIC Operation LD501 502 503 504 505 50...

Page 149: ... 003L L305 303L 134R 004C R412 824C 534R 604C 504C 634R 734C C410 434C 634C 804C 834C C409 C443 R510 001PT C130 X100 C128 921C 441C 631C R227 831C R228 342R L200 001TP 131C 611R C505 802R C310 FB400 X400 233C 011C C229 C139 C137 C111 C140 C230 C108 205NC ZD500 005LF C233 R235 502U R240 VA204 752C L309 L307 803L 023C C303 203C 203L C356 XTMCP 103L R429 104PT C506 R504 VA508 C118 C125 L313 833C L314...

Page 150: ...d Only for training and service purposes 9 PCB Layout 2 0 1 L VB100 1 0 1 R 0 0 1 R 1 0 1 L 3 0 1 L C110 C111 C106 8 0 1 C 7 0 1 C 1 0 1 N C 0 0 1 L GX300_F_SUB_SPCY0222201_1 0_TOP VB100 Vibrator Solder Pad No Vibrator Operation CN101 Speaker Solder Pad No Speaker Receiver Sound ...

Page 151: ...Inc All right reserved Only for training and service purposes 9 PCB Layout 01 11 02 001S 001NC LD100 GX300_F_SUB_SPCY0222201_1 0_BOT CN100 B to B Connector No SIM Operation No Speaker Receiver Sound No Vibrator Operation S100 Dual SIM Socket No SIM Operation ...

Page 152: ...ΒΝ ΆΤΖ ΟΝΪ 144 158 10 STAND ALONE TEST 10 1 Introduction This manual explains how to examine the status of RX and TX of the model A Tx Test TX test this is to see if the transmitter of the phones is activating normally B Rx Test RX test this is to see if the receiver of the phones is activating normally 10 2 Setting Method 12 STAND ALONE TEST 1 Set COM Port 2 Check PC Baud Rate 3 Confirm EEPROM De...

Page 153: ...od ྜ ྞ ྟ Non signaling mode 145 158 12 STAND ALONE TEST 4 For communicating Phone and Test Program click V24 AT On and Update Info one by one 5 For the purpose of the Standalone Test Change the Phone to ptest mode and then Click the Reset bar 6 Select Non signaling in the Quick Bar menu Then Standalone Test setup is finished 7 If you want to test the SIM2 equally click the AT Terminal and then ent...

Page 154: ...ΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 146 158 12 STAND ALONE TEST 1 Non signaling mode bar and then confirm OK text in the command line 2 Select Tx in the RF mode menu and put the number of TX Channel in the ARFCN 3 Put the number of PCL in the PA Level menu 4 Finally Click Write All bar and try the efficiency test of Phone 10 3 Tx Test Ԙ Ԛ ԙ ԛ 10 Stand Alone Test ...

Page 155: ...ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 147 158 12 STAND ALONE TEST 10 4 Rx Test 1 Select Rx in the RF mode menu 2 Put the number of RX Channel in the ARFCN 3 Finally Click Write All bar and try the efficiency test of Phone Ԙ ԙ Ԛ 4 The Phone must be changed normal mode after finishing Test Change the Phone to normal mode and then Click the Reset bar ྜ Change normal_mod ...

Page 156: ...ebug Result Auto CalAuto Cal DLL_E5515CD DLL Windows 98 MFCD DLL COPY vsflex7l_ocx_regist Windows XP MFCD DLL COPY Windows 2000 MFCD DLL COPY 11 2 Configuration of HotKimchi ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 148 158 11 1 Overview Auto cal Auto Calibration is the PC side Calibration tool that perform Tx Rx and Battery Calibration...

Page 157: ... Æ XX is File Version 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_016 dll Communication Module with ezTray Installed In Local PC GuiTk115d dll control library ShieldBox_DllD ...

Page 158: ...ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 150 158 1 Connect as Fig 13 4 1 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general GPIB USB HS cable is connected between HP8960 and PC 2 Set the Power Supply 5 3V 3 Set the 3rd 4th of DIP SW ON state always 4 Press the Phone power key if the Remote ON is used 1st ON state 13 AUTO CALIBRATION Figure 13 4 1 Equipment setup 11 4 Auto Calib...

Page 159: ...hat PC can communicate with the phone 10 Select LOGIC MODE that you want Logic mode 1 Calibration only 2 Auto test only 3 Cal Auto 13 AUTO CALIBRATION 1 Copy the file to C Cm_Gsm_Multi 2 Copy the files of Windows XXX MFCD DLL vsflex7l_ocx_regist to C Cm_Gsm_Multi dll ocx 3 Select MFCD DLL of your computer OS 4 Click on vsflex7l_ocx_regist 5 Click on Multi_HK reg 6 Connect as Fig 13 4 1 7 Run HK_2G...

Page 160: ...ice purposes LGE Internal Use Only 11 AUTO CALIBRATION ʹΠΡΪΣΚΘΙΥ ι ͽ ͶΝΖΔΥΣΠΟΚΔΤ ͺΟΔ ͲΝΝ ΣΚΘΙΥ ΣΖΤΖΣΧΖΕ ΟΝΪ ΗΠΣ ΥΣΒΚΟΚΟΘ ΒΟΕ ΤΖΣΧΚΔΖ ΡΦΣΡΠΤΖΤ ͽ Ͷ ͺΟΥΖΣΟΒΝ ΆΤΖ ΟΝΪ 152 158 13 AUTO CALIBRATION Model name Start button 11 Select the model name GX300_Main or GX300_Sub 12 Click start button ...

Page 161: ...code and the same measure is performed per every frequency 11 7 APC This procedure is for Tx calibration In this procedure you can get proper scale factor value and measured power level 11 8 ADC This procedure is for battery calibration You can get main Battery Config Table and temperature Config Table will be reset 11 9 Target Power 30 0 dBm 30 0 dBm 30 0 dBm Max power 1909 8 MHz 1880 MHz 1850 2 ...

Page 162: ...w LGE Internal Use Only Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ACGK00 SAFY00 ACGM00 MWAC00 MTAD00 SVLM00 ABFZ00 AKAC00 ADCA00 SUMY00 SPKY00 SPKY01 MIC200 SUSY00 SJMY00 SACY00 ACKA00 SNGF00 MCJA00 GGZZ00 SNGF01 ...

Page 164: ...ARTON MBEC0003601 BOX TW WITHOUT COLOR 4 MCCL00 CAP BOX MCCL0002501 BOX TW WITHOUT COLOR 4 MPCY00 PALLET MPCY0012403 COMPLEX empty DARK BLUE 3 MBAD00 BAG VINYL PE MBAD0005204 COMPLEX empty WITHOUT COLOR 3 MBEE00 BOX MASTER MBEE0061001 BOX TW 307 170 251 1 COLOR WITHOUT COLOR 3 MBEF00 BOX UNIT MBEF0146901 BOX TW WITHOUT COLOR 3 MLAC00 LABEL BARCODE MLAC0003018 PRINTING empty Without Color 3 MLAJ00 ...

Page 165: ... MPBG0107201 COMPLEX empty WITHOUT COLOR 5 MPBJ00 PAD MOTOR MPBJ0074301 COMPLEX empty WITHOUT COLOR 5 MPBN00 PAD SPEAKER MPBN0086201 COMPLEX empty WITHOUT COLOR 5 MTAB00 TAPE PROTECTION MTAB0381901 COMPLEX empty WITHOUT COLOR 5 MTAB01 TAPE PROTECTION MTAB0381801 COMPLEX empty WITHOUT COLOR 5 MTAD00 TAPE WINDOW MTAD0124401 COMPLEX empty WITHOUT COLOR 5 MWAC00 WINDOW LCD MWAC0140001 COMPLEX empty BL...

Page 166: ...WITHOUT COLOR 5 MLAB LABEL A S MLAB0001102 C2000 USASV DIA 4 0 WHITE 5 MLAZ LABEL MLAZ0054801 COMPLEX empty WITHOUT COLOR 5 MPBZ00 PAD MPBZ0310201 COMPLEX empty BLACK 5 MTAZ00 TAPE MTAZ0322801 COMPLEX empty WITHOUT COLOR 4 AKAC KEYPAD ASSY MAIN AKAC0009803 BLACK 4 GGZZ SCREW TAPPING GGZZ0004901 1 6 mm 4 mm MSWR3 BK N BH 2 1 6 4 SWCH FZB WITHOUT COLOR 4 MFBZ00 FILTER MFBZ0018901 COMPLEX empty WITHO...

Page 167: ...0 LG 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 3 MLAA00 LABEL APPROVAL MLAA0062303 COMPLEX empty WITHOUT COLOR ...

Page 168: ...ket 6 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0085601 7 C106 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 7 C107 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 7 C108 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 7 C110 CAP CHIP MAKER ECZH0000830 33 pF 50V J NP0 TC 1005 R TP 7 C111 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 L100 INDUCTOR CHIP ELCH0010302...

Page 169: ...ty empty empty empty empty empty 0 5 mm 7 C106 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C107 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C112 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C118 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 7 C119 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 7 C120 CAP CHIP MAKER ECZH0001216 220 n...

Page 170: ... 220 nF 10V K X5R TC 1005 R TP 7 C145 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 7 C146 CAP CERAMIC CHIP ECCH0007804 2 2 uF 10V M X5R HD 1005 R TP empty empty empty empty empty empty 0 5 mm 7 C200 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 7 C201 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 7 C202 CAP CERAMIC CHIP ECCH0002001 0 1 uF 6 3V K B HD 1005 R TP empty e...

Page 171: ...CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C228 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C229 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C230 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C231 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 7 C232 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 7 C233 CAP CHIP MAKER E...

Page 172: ... NP0 TC 1005 R TP 7 C259 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 C260 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C261 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C262 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 7 C263 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 7 C264 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R T...

Page 173: ...05 R TP 7 C325 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 7 C327 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 7 C328 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 7 C329 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 7 C330 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 7 C331 CAP CHIP MAKER ECZH0000802 1 pF 50V C NP0 TC 1005 R TP 7 C332 C...

Page 174: ...F 6 3V K X5R TC 1005 R TP 7 C400 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 7 C401 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C402 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C403 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C404 CAP CHIP MAKER ECZH0025502 22000000 pF 6 3V M X5R HD 2012 R TP 0 85t empty empty empty empty empty empty 7 ...

Page 175: ...4 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 7 C435 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 7 C436 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 7 C437 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 7 C438 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 7 C439 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty emp...

Page 176: ...CZH0001202 22 nF 16V Z Y5V HD 1005 R TP empty empty empty empty empty empty 7 C525 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C526 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 C527 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 7 C528 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 7 C529 CAP CHIP MAKER ECZH0000839 4 7 pF 50V C NP0 TC 1005 R TP...

Page 177: ...CS Rx LH DIP_OUT 1842 5 1960 1 8 1 4 0 68 SMD R TP 7 FL302 FILTER SAW DUAL SFSB0002302 1842 5 MHz 75 MHz 3 5 dB 10 dB 1960 MHz 60 MHz 3 5 dB 10 dB 1 8 1 4 0 68 SMD 1805M 1880M 1930M 1990M 10p B 100 DCS PCS Rx LH DIP_OUT 1842 5 1960 1 8 1 4 0 68 SMD R TP 7 FL303 FILTER DIELECTRIC SFDY0003001 2450 MHz 2 0 1 25 1 05 SMD 2400M 2500M IL 1 6 4pin U U 50 50 BT BPF BPF 2450 100 SMD R TP 7 FL304 FILTER SAW...

Page 178: ... L315 INDUCTOR CHIP ELCH0003824 10 nH J 1005 R TP chip inductor PBFREE 7 L316 INDUCTOR CHIP ELCH0004710 15 nH J 1005 R TP 7 L317 INDUCTOR CHIP ELCH0001033 1 5 nH S 1005 R TP PBFREE 7 L318 INDUCTOR CHIP ELCH0003826 3 3 nH S 1005 R TP chip 7 L319 INDUCTOR CHIP ELCH0003832 2 2 nH S 1005 R TP MLCI 7 L320 INDUCTOR CHIP ELCH0003832 2 2 nH S 1005 R TP MLCI 7 L321 INDUCTOR CHIP ELCH0005004 22 nH J 1005 R ...

Page 179: ...ohm 1 16W F 1005 R TP 7 R117 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R118 RES CHIP MAKER ERHZ0000484 470 ohm 1 16W J 1005 R TP 7 R119 RES CHIP ERHY0000254 4 7K ohm 1 16W J 1005 R TP 7 R123 RES CHIP MAKER ERHZ0000499 5600 ohm 1 16W J 1005 R TP 7 R124 RES CHIP MAKER ERHZ0000475 3900 ohm 1 16W J 1005 R TP 7 R125 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R127 RES CHIP MAK...

Page 180: ...1005 R TP 7 R218 RES CHIP MAKER ERHZ0000287 47 Kohm 1 16W F 1005 R TP 7 R219 PCB ASSY MAIN PAD SHORT SAFP0000501 7 R221 RES CHIP MAKER ERHZ0000412 1200 ohm 1 16W J 1005 R TP 7 R222 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R223 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R224 RES CHIP MAKER ERHZ0000412 1200 ohm 1 16W J 1005 R TP 7 R227 PCB ASSY MAIN PAD SHORT SAFP0000501 ...

Page 181: ...05 R TP 7 R307 RES CHIP MAKER ERHZ0000408 110 ohm 1 16W J 1005 R TP 110 OHM 5 1 16W 1005 R TP 7 R308 INDUCTOR CHIP ELCH0003835 4 7 nH S 1005 R TP MLCI 7 R310 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 7 R311 CAP CERAMIC CHIP ECCH0000701 1 2 pF 50V C NP0 TC 1005 R TP 7 R312 CAP CHIP MAKER ECZH0000824 20 pF 50V J NP0 TC 1005 R TP 7 R313 RES CHIP MAKER ERHZ0000408 110 ohm 1 16W J 1005 R TP 1...

Page 182: ...CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R412 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R413 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 7 R414 PCB ASSY MAIN PAD OPEN SAFO0000501 0OHM_1005_DNI 7 R415 PCB ASSY MAIN PAD OPEN SAFO0000501 0OHM_1005_DNI 7 R416 RES CHIP MAKER ERHZ0000499 5600 ohm 1 16W J 1005 R TP 7 R418 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 ...

Page 183: ... F 1005 R TP 7 R510 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 7 R511 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 7 R512 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 7 R518 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 7 R519 RES CHIP MAKER ERHZ0000441 22 ohm 1 16W J 1005 R TP 7 R520 RES CHIP ERHY0000105 51 ohm 1 16W F 1005 R TP 7 R521 RES CHIP MAKER ERHZ000020...

Page 184: ...ohm 1 4X1 8 IC Analog Switch 7 U204 IC EUSY0340301 uMLP 10 PIN R TP typ Rdson 0 4ohm 1 4X1 8 IC Analog Switch 7 U205 IC EUSY0388501 DFN 10 R TP Cal Test Mode Single Charger IC for Micro USB IC Charger 7 U206 IC EUSY0407501 SSON004 4 R TP 1 8V 150mA Single LDO IC LDO Voltage Regulator 7 U207 IC EUSY0340301 uMLP 10 PIN R TP typ Rdson 0 4ohm 1 4X1 8 IC Analog Switch 7 U208 IC EUSY0407501 SSON004 4 R ...

Page 185: ...D 7 X100 X TAL EXXY0018404 26 MHz 10 PPM 8 pF 40 ohm SMD 3 2 2 5 0 6 12ppm at 30 C 85 C C0 1 0pF C1 3 6fF 26 10PPM 8 SMD R TP 7 X101 X TAL EXXY0018701 32 768 KHz 20 PPM 12 5 pF 70 Kohm SMD 3 2 1 5 0 9 7 X400 X TAL EXXY0018701 32 768 KHz 20 PPM 12 5 pF 70 Kohm SMD 3 2 1 5 0 9 7 X401 X TAL EXXY0018404 26 MHz 10 PPM 8 pF 40 ohm SMD 3 2 2 5 0 6 12ppm at 30 C 85 C C0 1 0pF C1 3 6fF 26 10PPM 8 SMD R TP ...

Page 186: ... CHIP MAKER ERHZ0000411 120 ohm 1 16W J 1005 R TP 7 R226 RES CHIP MAKER ERHZ0000509 75 ohm 1 16W J 1005 R TP 7 R53 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005 R TP 7 R531 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005 R TP 7 R532 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005 R TP 7 R533 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 1005 R TP 7 R534 RES CHIP MAKER ERHZ0000201 100 ohm 1 16W F 10...

Page 187: ...Exploded view Replacement part list Level Location No Description Part Number Spec Color Remark 4 SJMY00 VIBRATOR MOTOR SJMY0007106 3 V 08 A 10 3 0T 17mm 3V 12000 rpm 4 SUSY00 SPEAKER SUSY0028902 ASSY 8 ohm 91 dB 1812 mm 3 0T 15mm empty 4 SVLM00 LCD MODULE SVLM0036101 Main 2 2 176 220 39 848 52 95 1 9t 262K TFT TM LG4525B ...

Page 188: ...A CABLE SGDY0016701 empty empty empty microUSB 5Pin USB plug A Type BLACK empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003745 RMS 20mW 0 56V RMS 16Ohm 2 4Ohm 1KHZ 116dB 3dB 1KHZ 3mW 116dB 1KHZ 96dB 100HZ empty BLACK PLUG GB190 5P 230Mesh Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0032201 100 240V 5060 Hz 5 1 V 0 7 A CE GOST STA U12RD Russia Cableless 5 1V 0 7A WALL 2P USB 3 ADAPTOR AC DC SSAD0032202...

Search results

Summary of Contents for GX300

Reviews:

Brands by name

Popular brands

LG GX300, Service Manual

Search results

Summary of Contents for GX300

Reviews:

Brands by name

Popular brands