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LGE Internal Use Only

Copyright © 2009 LG Electronics. Inc. All right reserved.

Only for training and service purposes

4. TROUBLE SHOOTING

LGE Internal Use Only

4.9 Speaker Trouble

TEST POINT

CIRCUIT

Q201

U202

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R203,C201

R206,C203

SPK MODULE

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Содержание GM200

Страница 1: ...Service Manual Model GM200 Internal Use Only Service Manual GM200 Date April 2009 Issue 1 0 ...

Страница 2: ...501 60 3 15 BT Module with integrated FM tuner BCM2048SB0 U401 67 3 16 FM Radio 69 4 TROUBLE SHOOTING 70 4 1 RF Component 70 4 2 RX Trouble 71 4 3 TX Trouble 76 4 4 Power On Trouble 82 4 5 Charging Trouble 84 4 6 Vibrator Trouble 86 4 7 LCD Trouble 88 4 8 Camera Trouble 91 4 9 Speaker Trouble 94 4 10 Receiver Trouble 97 4 11 Headphone 3 5Ø Trouble 99 4 12 Microphone Trouble 103 4 13 SIM Card Inter...

Страница 3: ... 4 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 4: ...n 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 service until repair can be don...

Страница 5: ...e 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 ground themselves by using a wrist str...

Страница 6: ... 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 Power ratio in decibels dB of the measured power referenced to one milliwatt mW dBm Digit...

Страница 7: ...ous 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 Public Switched Telephone Network PS...

Страница 8: ...0mAh Li ion 950mAh option Talk Time 8 4 hours 1100mA 7 3hours 950mA PCL10 Stand by Time 450 hours 1100mA 380hours 950mA Paging Period 9 Backup Battery About 0 5mAh over 50 hours without main battery Antenna Internal Type Quad band LCD MAIN 2 0 176x220 pixels 262K Color TFT LCD Back Light Yes Back Light color White Vibrator Yes Speaker Receiver Module speaker 2520 1EA 1810 2EA C MIC Yes Earphone Ja...

Страница 9: ...it O Packet O Connectivity Infrared IrDA X Bluetooth O Ver 2 0 USB O Ver 2 0 USB Mass storage O RS232 X Voice Function Voice Recording O Voice Command X Digit Dial X Name Dial X Menu X Phonebook Searching Answering machine X Driving Meeting user define absent Memory User Memory O 14MB O MMS O Pictures Still Image Moving Image O MP3 Music Contents O Java Contents O Wallpaper O Ringtone O External m...

Страница 10: ...1930 1990MHz 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 GSM900 5 33dBm 2dB 13 17dBm 3dB Level Power Toler Level Power Toler 1 28dBm 3dB 9 12dBm 4dB 2 26dB...

Страница 11: ... 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 GSM900 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 DCS1800 PCS1900 6 Output RF Spectrum due to switching transient Offset from Carrier kHz Max dBm 400 19 600 21 1 200 21 1 800 24 Item Description Spec...

Страница 12: ...witching 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 GSM900 BER Class II 2 439 102 dBm DCS1800 PCS1900 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 3 400 9 0 0 4 4 12 0 0 4 12 R...

Страница 13: ... 3 400 10 2 0 2 12 0 2 2 14 STMR 13 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 30 ppm 20 Ringer Volume At l...

Страница 14: ...Bar 25 Forced shut down Voltage 3 33 0 05V 27 Battery Type Li Ion Battery Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 1100mAh 950mAh optional 28 Travel Charger Switching mode charger Input 100 240 V 50 60 Hz Output 5 2 V 700 mA 26 Sustain RTC without battery Over 50 hours 1ÆBlinking 3 3Æ2 3 75 0 05V 3 75 0 05V 3 54 0 05V 2Æ1 3 64 0 05V Call Every 1 min 3 54 0 05V 3 51 0 05V S...

Страница 15: ... AD6725 is a tightly integrated single package baseband processing solution offered by Analog Devices as part of the AD20msp520 SoftFone chipset family The AD6725 incorporates all digital analog and power management functions required in GSM GPRS EGPRS handsets with advanced multimedia and system power management capabilities 3 1 Baseband circuits technical brief 3 1 1 AD6725 ATLAS3HLITE functiona...

Страница 16: ...d multi channel DMA controller DSP Subsystem 16 bit fixed point Blackfin DSP Processor 208 MHz operation at 1 2V Memory L1 program space 64kB SRAM and 16kB configurable as instruction cache or SRAM L1 data space Two banks of 16K bytes each with 8K bytes of dedicated SRAM and an additional 8K bytes that can be configured as either cache or SRAM L2 space 64kB SRAM Ciphering coprocessor GEA1 and GEA2...

Страница 17: ... PPI for camera sensor Image Signal Processing ISP module supporting resolutions up to 3 14 mega pixels Flexible 2 D DMA controller Camera Flash synchronization strobe Hardware image scaling YCbCr RGB color conversion JPEG decoder hardware Hardware JPEG compression Analog Communications Subsystem GMSK and 8PSK Modulators I channel Q channel Transmit DACs and Filters I channel Q channel Receive ADC...

Страница 18: ...s Compatible with Othello radio subsystem Configurable interrupt controller architecture Programmable bus arbitration to optimize system performance Programmable Power Management and Clock Management Slow Clocking Scheme for Low Idle Mode Current Power Down modes Dynamic Core Voltage Scaling Active Leakage Current Management Independent I O Voltage Domains On chip support for EGPRS Data Services u...

Страница 19: ...ly 3 2 Analog Main Processor AD6725 ATLAS3H LITE U103 Figure 3 2 AD6725 ATLAS3HLITE FUNCTIONAL BLOCK DIAGRAM The AD6725 ATLAS3H LITE is a complete mixed signal baseband processor that combines all of the data converters and power supply regulators required for a GSM 900 GSM 850 DCS 1800 PCS 1900 mobile on a single device including HSCSD GPRS and EGPRS RX ...

Страница 20: ...he AD6725 ATLAS3H LITE auxiliary section provides a voltage reference an automatic frequency control DAC an auxiliary ADC and light controllers The auxiliary ADC provides two channels for measuring temperature using discrete external devices placed in critical locations The AD6725 ATLAS3H LITE audio section provides 8 kHz and 16 kHz sampling rates forvoiceb and data input and output and provides n...

Страница 21: ...2009 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF LGE Internal Use Only 3 2 1 GM200 POWER CONTROL Figure 3 2 2 AD6725 ATLAS3HLITE POWER BLOCK DIAGRAM Figure 3 2 1 GM200 power block diagram ...

Страница 22: ...to the external memory on the digital baseband processor The output voltage of the Memory Interface regulator can be selected as 1 8V nominal or 2 8V nominal using the VMEMSEL terminal External Interface VEXT The External Interface regulator supplies the Radio digital interface and the high voltage 1 8V interface between the digital baseband processor and various peripherals such as the LED indica...

Страница 23: ... for extremely high ripple rejection up to 217 Hz and low noise VRF VRF The VCXO regulator supplies the voltage controlled crystal oscillator VCXO The VCXO regulator is optimized for high ripple rejection and low noise USB Interface VUSB The VUSB regulator supplies the USB transceiver located in the DBB Digital Baseband PLL VPLL The VPLL regulator supplies the phase locked loop on the digital base...

Страница 24: ...nal Use Only 3 TECHNICAL BRIEF LGE Internal Use Only DBB Interface VINT_LDO Regulator Specifications Memory Interface VMEM_LDO Regulator Specifications External Interface VEXT_LDO Regulator SIM Interface Regulator VSIM_LDO Real Time Clock VRTC_LDO Regulator Baseband Analog VABB_LDO Regulator Specifications ...

Страница 25: ...ght reserved Only for training and service purposes 3 TECHNICAL BRIEF LGE Internal Use Only Microphone VMIC_LDO Regulator Specifications VCXO VRF_LDO Regulator Specifications USB Interface VUSB_LDO Regulator Specifications Application VAPP_LDO Regulator Specifications ...

Страница 26: ...7 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF LGE Internal Use Only General Purpose VGP_LDO Regulator Specifications ...

Страница 27: ...4 1 A T A D 8 E 0 2 D D A 1 2 D D A 8 F 7 D 2 2 D D A 0 1 K 3 2 D D A 3 D D A 3 J 4 D D A 4 H 5 H 5 D D A 6 D D A 6 H 7 D D A 5 G 8 D D A 4 G 9 D D A 9 K 0 D D A 4 K 1 D D A 5 J 0 1 D D A 4 E 1 1 D D A 4 F 2 1 D D A 4 D 1 1 J 3 1 D D A 4 1 D D A 5 E 5 1 D D A 9 J 7 E 6 1 D D A 6 G 7 1 D D A 7 F 8 1 D D A 9 1 D D A 7 G 2 D D A 4 J 1u C112 C T R V _ 8 V 1 C122 22p C105 33u C I M V _ 5 V 2 C123 0 1u ...

Страница 28: ...ms The outputs of all four regulators must remain at or above their corresponding threshold voltages for the duration of the reset period for reset to be disabled pulled high The nominal 130ms reset period is restarted whenever all four regulators reach their threshold voltages The nominal reset period of 130ms can be extended by connecting an external capacitor to CRST This capacitor is charged u...

Страница 29: ...9 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF LGE Internal Use Only Figure 3 2 5 AD6725 ATLAS3HLITE KEYON KEYOUT BLOCK DIAGRAM Figure 3 2 6 AD6725 ATLAS3HLITE RESET GENERATION BLOCK DIAGRAM ...

Страница 30: ...ent 524mA 080924_kwp 1 C I G N I G R A H C P V O A m 8 0 1 n i m I m h o K 1 5 r o t c e n n o C y r e t t a B 8 0 6 1 1 u 1 0 4 1 C I N D 7 0 1 R VBAT 3 1 D N G P 0 1 P Y B _ B S U C D V 1 P Y B _ C D V 2 1 2 B S U V G H C _ 4 N E _ 5 3 R P P _ 1 0 6 1 5 3 0 Y S U E 1 2 2 9 L S I 2 0 1 U T A B 1 1 8 D N G 6 N I M I B S U I 7 C D V I 9 8 0 1 R I N D 8 4 1 C u 1 0 0 R118 20K p 0 0 1 3 4 1 C 9 3 1 C...

Страница 31: ...ltage 4 0 V 3 Charging time 3h 4 Charging current 650 mA 5 CV voltage 4 2 V 6 Cutoff current 97 mA 7 Full charge indication current icon stop current 97mA 8 Recharge voltage 4 15 V 9 Low battery alarm a Idle 3 54V 0 05V b Dedicated 3 54 V 0 05V 10 Low battery alarm interval a Idle 3 min b Dedicated 1 min 11 Switch off voltage 3 33 V 12 Charging temperature adc range a 5 low charging voltage operat...

Страница 32: ...W8 USC6 SIP_TESTMODE J6 M21 SPWR1 SPWR2 M22 TCK A9 P3 SCKE LIGHT1 F18 LIGHT2 G17 LIGHT3 G18 K21 JACKSENSE KEYON K22 KEYOUT L20 AIN1P H20 J21 AIN2N J22 AIN2P G22 AIN3C AIN3L G21 AIN3R H21 AOUT1N E22 E21 AOUT1P N20 AOUT2N1 AOUT2N2 N21 P20 AOUT2P1 P21 AOUT2P2 AOUT3L E20 F20 AOUT3R J20 AIN1N B20 AFCDAC K20 ACCDET T X E V _ 3 9 V 2 p 9 3 5 6 1 C C158 39p 1u C166 p 9 3 4 6 1 C 0 1u C162 150K R138 p 9 3 ...

Страница 33: ...25 ATLAS3H LITE Audio Serial Port is described in detail in the Audio Serial Port ASPORT section below Audio Codec The AD6725 ATLAS3H LITE audio codec supports communications applications with digital sample rates of 8 kHz or 16kHz DAC 1 is used for receiving speech An ADC is used for sending speech The AD6725 ATLAS3HLITE audio codec supports personal audio applications with digital sample rates o...

Страница 34: ... Configurations Output configurations are set by AudOS 4 0 bits in the AudControl2 register Input configurations are set by AudIS 3 0 bits in the AudControl2 register AudIn3LMute bit high in the AudMuteControl register 0x27 For configurations using DAC2 AIN3R the AIN3R input may be muted by setting AudIn3RMute bit high in the AudMuteControl register For configurations using AIN3 L the AIN3L and AI...

Страница 35: ...Analog Input AIN1 AIN2 and VMIC configurations can be chosen by setting bits AudIS 3 0 in the AudControl2 register 0x1E Additional gain of 9dB can be inserted into Analog Audio Input signal chain by setting AudPreampGainSel bit high in the AudControl3 register 0x32 Microphone Interface The microphone pre amplifier and associated integrated resistors support electret microphones An internal Configu...

Страница 36: ... is used for applications with a 8 kHz digital sample rate The high quality audio filter is used for applications with higher digital sample rates Figure 3 2 5 GM200 input circuit diagram o n e J 8 1 8 0 8 0 C I M w e N o t d e g n a h C C I M u 0 1 5 4 2 C 6 0 2 L H n 0 0 1 2 0 4 5 0 0 0 Y V E S R F 0 0 5 5 0 5 0 S V C I 0 1 2 A V 9 0 0 5 0 0 0 H C L E H n 0 0 1 8 0 2 L J 0 1 R 5 0 0 1 K H 0 1 6 ...

Страница 37: ...7 4 p 0 0 1 5 2 2 C 2 2 2 C p 7 4 1 0 2 D C 8 6 B S R P u 8 6 0 0 9 0 2 C 2 1 2 R K 7 4 u 5 1 0 0 8 1 2 R K 2 1 6 2 2 C 2 4 5 3 1 1 0 2 Q E 2 0 1 X R K 6 0 2 A V 5 0 2 D C 8 6 B S R P u 8 6 0 0 8 0 2 C M 1 1 1 2 R p 0 0 1 7 0 2 C 100K R229 M 1 0 1 2 R K 1 5 5 0 2 R T X E V _ 3 9 V 2 2 1 2 C 9 5 2 C u 0 1 u 1 C260 0 1u u 1 0 R G U R I S 2 4 3 V L T 2 0 2 U N I 1 1 1IN 10 9 T U O 1 4 N I 2 2IN 5 6 T...

Страница 38: ...udio headset accessory insertion extraction The detector circuit is designed to operate with minimum power in standby mode There is a dedicated to the accessory detector AccDet is intended to interface to the external microphone and monitor its bias voltage The JackSense terminal is interfaced to the switch pin of the Jack socket or a Jack Sense terminal on a handset system connector Figure 3 3 7 ...

Страница 39: ...on from comparator transitions with a duration of no less than 10 mSec Figure 3 15 8 Accessory Insertion Removal Detector Block Diagram Figure 3 3 9 GM200 detection block diagram 100nH L210 1 0 9 6 0 0 0 E J N E o t 1 0 7 6 0 0 0 E J N E m o r f e g n a h C 8 2 7 0 8 0 r e r u t c a f u n a M f f i d y l n o A N T E S D A E H i h p 5 3 i h p 5 3 D S E r o f 4 0 3 D S V T D D A 8 1 9 0 8 0 DNI_DIOD...

Страница 40: ... delivers 1 08 MHz synchronous burst and page mode read rates with supports multi partitioning with Read While Wri te RWW or Read While Erase RWE dual operations The LPSDRAM is a high performance volatile memory operating at speeds up to 133 MHz with configurable burst lengths The Ballaire stacked device features programmable driver strength and low power opera tion This Stacked Chip Scale Package...

Страница 41: ... Controller NFC a n SDRAM Controller SDC and the External Bus Controller EBC These three controllers share the external pins They also share an arbiter through which the DMA controller s via DDBUS ADBUS and DMABUS and the processor cores via DSPBUS and MCUEBUS access external de vices The following figure shows the external memory interface block diagram NOR 512Mbits A 1 25 D 0 15 nW AIT SD_CS SD_...

Страница 42: ...D 9 M 4 G 0 A B _ D 1 A B _ D 4 H E K C _ D 6 G K L C _ D 5 J B L _ _ S _ 0 M D _ D 9 H 8 H B U _ _ S _ 1 M D _ D 3 M S Q D L _ D S Q D U _ D 7 M 5 C 8 G 9 A 8 F S C _ _ 1 D 2 F S C _ _ 2 D 3 E 0 Q D 2 M 1 Q D 1 L 0 1 Q D 6 M 1 1 Q D 7 L 8 L 2 1 Q D 9 K 3 1 Q D 4 1 Q D 9 L 5 1 Q D 8 M 1 K 2 Q D 2 L 3 Q D 4 Q D 4 M 5 Q D 3 L 4 L 4 B 5 B 8 1 A 9 1 A 5 A 1 B 2 A 7 F 0 2 A 7 E 1 2 A 7 B 2 2 A 3 2 A 6 ...

Страница 43: ... D N G 1 1 0 1 A W S B W S 9 3 4 4 5 5 6 6 7 7 8 8 C1 C1 C2 C2 C3 C3 C5 C5 C6 C6 C7 C7 1 D N G 6 1 5 1 2 D N G 4 1 3 D N G 4 D N G 3 1 5 D N G 1 0 9 7 1 0 0 Y S N E 2 3 3 7 3 4 7 1 3 0 1 N C 1 1 2 2 3 2 7 1 C u 1 R134 56K 22p C157 22p C156 M I S V _ 5 8 V 2 1 7 1 C p 0 0 0 1 2V85_VSIM 2V85_VSIM L106 100nH 0 6 1 C u 1 0 D105 R133 56K L105 100nH D104 R136 56K R132 56K L107 100nH 6 0 0 1 _ E D O I D ...

Страница 44: ...LCD_WR 512Mb NOR 128Mb SDRAM INTEL MC_D 0 3 MC_CLK MC_CMD MC_DETECT 2 0M pixel FF Toshiba ET8EJ0 AS EBUS EBC SDC 16 25 LCD_VSYNC CLK SDA DC DC CAM_POWER 2 8V 300mA 1 8V 300mA DC DVDD IOVDD 2 8V BCLK n 2 n 8 Blackfin DSP Core ARM926EJ S MCU Core MCUEBUS MCUPBUS AVDD LGDP4523 DC VBAT LCD_BACKLIGHT AAT3157 S2 CwireTM interface ADD 01 25 DATA 00 15 nROM_CS0 nRD nWE BURSTCLK nWAIT nADV SD_CS DQM 0 1 SD...

Страница 45: ...er rates up to 32 5 MB s Two frame syncs horizontal and vertical with programmable polarity A bidirectional clock pin with programmable output clock rate up to 65 MHz Synchronization by detection of embedded preamble codes or by using frame synchronization pins ITU standard and counter controlled data transfers 8 bit data packing to reduce DMA bandwidth for image data Data re ordering to reduce DM...

Страница 46: ... M A C S R _ D C L C N Y S V _ D C L T E S E R _ M A C n K L C _ C 2 I _ M A C K L C P _ M A C A T A D _ C 2 I _ M A C T E S E R _ T B T E S E R _ D C L C N Y S H _ M A C C N Y S V _ M A C o n e J _ 8 1 8 0 8 0 F p 5 1 m h o 0 5 o t d e g n a h C 3 B _ T U O N I 4 B _ T U O N I 6 1 0 3 L F R F 0 0 5 R 0 5 1 E 4 8 1 0 1 E V C I G1 5 10 G2 1 A _ T U O N I 1 2 2 A _ T U O N I 3 A _ T U O N I 3 4 4 A ...

Страница 47: ... T E S E R _ T B T E S E R _ D C L C N Y S H _ M A C C N Y S V _ M A C D R _ D C L 2 E D O M F I r o t c e n n o C _ D C L 1 E D O M F I R317 10K T S R T X E V _ 3 9 V 2 5 G1 10 G2 1 1 A _ T U O N I 2 A _ T U O N I 2 3 3 A _ T U O N I 4 A _ T U O N I 4 1 B _ T U O N I 9 8 2 B _ T U O N I 3 B _ T U O N I 7 4 B _ T U O N I 6 9 0 3 L F S R S C 2 0 3 L F G1 5 G2 10 1 A _ T U O N I 1 2 2 A _ T U O N I ...

Страница 48: ...fer The bus interface contains 32 bit memory mapped registers converts 16 bit PBUS accesses to 32 bit register accesses There are three white LEDs in LCD module White LCD driver is AAT3157 and it is described at next page 9 0 3 C u 1 6 2 3 C p 7 4 5 0 3 B F 2 0 1 7 0 0 0 H B F S 1 N P 0 0 1 G A 5 1 M L B u 1 1 1 3 C T A B V p 7 4 2 2 3 C p 7 4 4 2 3 C 3 3 D T E S _ N E 1 1 4 D N G 5 N I 2 1 C N u ...

Страница 49: ... from a 2 7V to 5 5V input The current sinks may be operated individually or in parallel for driving higher current LEDs A low external parts count two 1μF flying capacitors and two small 1μF capacitors at IN and OUTCP make this part ideally suited for small battery powered applications AnalogicTech s AS2Cwire Advanced Simple Serial Control serial digital input is used to enable disable and set cu...

Страница 50: ... 0 1 R D N E S H C R A E S K O U N E M 9 7 P R A H S 0 T F E L R A T S 8 3 L O C _ Y E K 2 L O C _ Y E K 1 L O C _ Y E K 0 L O C _ Y E K 0 W O R _ Y E K 5 W O R _ Y E K 4 L O C _ Y E K 4 W O R _ Y E K 3 W O R _ Y E K 2 W O R _ Y E K 1 W O R _ Y E K y e k e d i s e m u l o V N W O D _ L O V P U _ L O V 6 0 6 8 0 0 0 Y T D E D309 C 8 6 B S R P D311 0 5 1 3 1 3 R 0 5 1 1 1 3 R D310 1 2 3 4 3 0 3 N C ...

Страница 51: ...ny KEYPADROW input low generates an interrupt In the interrupt service routine the keypad must be scanned by setting only one column output low at a time and reading the row inputs A zero is read anywhere a key is pressed on that column The scan should be repeated at regular intervals until no key is being pressed To implement debouncing the software must require the same scan result for several s...

Страница 52: ...rom 50 781 kHz to 49 591 Hz may be specified fLIGHT1 fMCLK 256 Light12Period 9 0 1 fLIGHT2 fMCLK 256 Light12Period 9 0 1 fLIGHT3 fMCLK 256 Light3Period 9 0 1 he output duty cycles of the PWM output controllers are set by the LightxDutyCycle 7 0 control registers Light1DutyCycle 0x2D Light2DutyCycle 0x2E and Light3DutyCycle 0x30 This model use Light3 port and Light2 port Figure 3 8 3 GM200 key back...

Страница 53: ... Circuit 3 10 JTAG interface connector In case of GM200 series mass production the JTAG interface connector will not be mount on board That is only for developing and software debugging purpose Figure 3 10 1 GM200 Vibrator Driver Circuit 2 0 9 4 0 0 0 A B Q E 2 0 1 Q B _ 1 Q 2 C _ 1 Q 6 E _ 1 Q 1 5 B _ 2 Q 3 C _ 2 Q 4 E _ 2 Q 1 4 1 R 2 2 1 2 4 0 1 N C LA4 436BK SJMY0007904 8 0 1 L H n 0 0 1 2 2u C...

Страница 54: ...C 135 MUXOUT_2 32 768KHz CAM_MCLK 21 67MHz Micro SD TF_CLK SIM_CLK 3 25MHz 26MHz AD6725 CLKIN CLKMUXOUT1 OSCIN OSCOUT SCLKOUT BURSTCLK MC_CLK SIM_CLK MEMORY 512Mbits NOR 128Mbits SDRAM F_CLK D_CLK NOR SDRAM SIM AD6548 RF Transceiver Xtal OSC Tuning 26MHz Crystal REF_OP REFIN REFINB AFC 2V75V_VCXO CLKMUXOUT2 BCM2048 XTALP XTALN BT FM Radio PPI_CLK CAM_PCLK LGE Internal Use Only Figure 3 11 1 GM200 ...

Страница 55: ...M200 18pin Multi Media Interface S A I B 6 1 1 C N 3 2 C N 3 C N 4 7 D N G P N I _ F R 2 5 T U O _ F R 5 1 3 C 6 T 5 8 6 A G M 2 0 3 U p 0 0 0 1 K 1 0 1 3 R p 0 0 0 1 8 1 3 C T A B V 10K R307 p 0 0 0 1 7 0 3 C 3 C N _ E C 2 D N G 5 PGND D D V 1 4 T U O V 1 0 6 5 5 3 0 Y S U E 1 0 3 U F R T D 1 8 2 K 4 0 1 P R p 0 0 0 1 7 1 3 C 3 0 3 L H n 0 7 2 u 2 2 6 0 3 C 5 0 3 C u 1 N E _ A N L _ M F 1 _ T N A...

Страница 56: ... C N _ C F A V 8 1 14 VBAT 4 I B B _ C C V 33 GND 2 I B I 3 8 C N 3 2 Q B Q 2 2 0 2 N I F E R B N I F E R 9 1 P O _ F E R 1 2 T X E V _ 3 9 V 2 1 0 5 U 8 4 5 6 D A 1 0 1 0 8 2 0 Y S U E 7 1 5 C p 9 3 m h o 0 0 1 0 1 5 R 4 1 5 C L504 O X C V _ 5 7 V 2 u 1 6 8nH u 1 0 7 0 5 C H n 8 1 3 0 5 L H n 2 1 9 0 5 L H n 8 1 2 0 5 L 8 1 5 C 1 5 4 0 5 R 2 0 5 C p 0 0 1 u 1 0 1 O D L V H n 5 1 0 1 5 L m h o 0 0...

Страница 57: ...eive front end module FEM with Integrated Power Amplifier Control iPAC for quad band cellular handsets comprising GSM850 900 and DCS1800 PCS1900 operation Designed in a low profile compact form factor the SKY77531 offers 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 band select...

Страница 58: ...W S 0 0 0 3 E 2 2 H S 2 2 0 3 S R G 1 0 3 6 0 0 0 Y W N E ANT G1 G2 RF 5 1 5 C p 2 2 DNI R512 100p C522 I N D 1 0 5 R 0 0 F 0 N C M 1 8 8 N E W A S 1 D N G 2 3 2 D N G 5 3 D N G 4 D N G 0 1 5 _ 1 8 8 _ N I 4 5 _ 2 4 9 _ N I 1 1 _ 5 _ 1 8 8 _ T U O 7 6 2 _ 5 _ 1 8 8 _ T U O 1 _ 5 _ 2 4 9 _ T U O 9 8 2 _ 5 _ 2 4 9 _ T U O 2 0 8 1 0 0 0 B S F S 2 0 5 L F K 1 7 0 5 R u 1 0 0 0 1 5 C m h o 0 0 1 0 1 5 ...

Страница 59: ...ign are the Rx SAWs PA Switchplexer and a few passives enabling an extremely small cost effective GSM Radio solution The AD6548 uses the industry proven direct conversion receiver architecture of the OthelloTM family For Quad band applications the front end features four fully integrated programmable gain differential LNAs The RF is then downconverted by quadrature mixers and then fed to the baseb...

Страница 60: ...and TX VCO are extremely low noise removing the need for external SAW filters prior to the PA The AD6548 uses a single integrated LO VCO for both the receive and the transmit circuits The synthesizer lock times are optimized for GPRS applications up to and including class 12 3 14 1 1 RECEIVER CHAIN The AD6548 9 receiver section fully integrates all the RF and baseband signal processing Each major ...

Страница 61: ... from being overloaded Baseband Amplifiers Low Pass Filters The baseband amplifiers provide the majority of the analog receiver gain The filtering is provided by an integrated 5th order Chebyshev filter giving the necessary adjacent channel and blocking filtering it is also acting as an anti alias filtering for Baseband IC s converters A final low pass pole is possible Baseband Output D C Offset C...

Страница 62: ...t loop filter TX VCO and a feedback down converting mixer The VCO output divided by 2 for low band is fed to the power amplifier with a portion internally fed back into the down converting feedback mixer to close the feedback loop Quadrature Modulator The Quadrature modulator takes the baseband I Q signals and translates these into a GMSK signal at the Transmit Intermediate Frequency TX IF After b...

Страница 63: ...librated as part of the baseband filter cal eliminating process tolerances The calibration is fully integrated and requires no extra programming TX VCO The Transmit Voltage Controlled Oscillator TX VCO and tank components are a fully integrated subsystem The subsystem includes PA drivers so the outputs are used to directly drive the external PAs The low noise oscillator design and internal filteri...

Страница 64: ...tics The divider section consists of a dual modulus 8 9 prescaler integer M A dividers and fractional N system based on sigma delta modulation to generate the required fractional divide ratio The Denominator of the fractional divider can be set to 3 different values 1040 1170 1235 depending on the mode of operation For example a denominator of 1040 with an input fraction F maintains an average val...

Страница 65: ...r is also fully integrated into the IC No external components or adjustments are required Voltage Controlled Oscillator The integrated voltage controlled oscillator VCO is a complete self calibrating subsystem This employs a fully automated digital self calibration function to ensure optimum phase noise performance over the entire frequency range The VCO generates frequencies between 2520MHz and 2...

Страница 66: ...erved Only for training and service purposes LGE Internal Use Only 3 TECHNICAL BRIEF LGE Internal Use Only 3 15 BT Module with integrated FM tuner BCM2048SB0 U401 Figure 3 15 1 Bluetooth Module Block Diagram Figure 3 15 2 BCM2048SB0 Power Block Diagram ...

Страница 67: ... _ M C P T J 1 0 6 5 0 0 1 M 1 B H 3 0 9 0 0 0 0 H B F S 1 0 4 B F X T _ U _ T B p 0 0 0 1 3 0 4 C u 1 0 6 0 4 C 2 0 4 R I N D 2 1 4 C u 1 0 D7 VSS4 VSS5 E4 VSS6 E5 F2 VSS7 F4 VSS8 VSS9 F5 N L A T X 3 K 2 K P L A T X 6 B V 3 R D D V 6 A V 5 R D D V 2 E F R D D V F T D D V 1 E 3 J O X D D V C A D _ M F G E R V 5 A 5 B T B _ G E R V 5 D L T C _ G E R V B2 VSS1 G2 VSS10 VSS11 G4 G10 VSS12 VSS13 H1 J2...

Страница 68: ...s In addition multiple sampling rates are supported derived from either the FM or Bluetooth clocks OTHER FEATURES Single ended or differential FM RF input Auto search and tuning Signal dependent mono stereo blend Soft mute Programmable de emphasis Digital level indicator RSSI IF Frequency Low current consumption I2C COMPATIBLE BUS The BCM2048 implements a slave I2C compatible bus interface for con...

Страница 69: ...cs Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 4 TROUBLE SHOOTING LGE Internal Use Only 4 1 RF Component Figure 4 1 Power Amp Module SKY77531 U502 Crystal 26MHz X501 RF Main Chip Transceiver U501 AD6548 U502 U501 X501 ...

Страница 70: ...al Use Only 4 TROUBLE SHOOTING LGE Internal Use Only 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 PAM 3 Check RX I Q Signal 4 2 RX Trouble CHECKING FLOW ...

Страница 71: ...1 O D L V 0 2 5 C p 0 0 1 1 O D L V u 1 0 4 0 5 C n 0 2 2 9 0 5 C Q B B _ C C V 4 2 E F _ C C V 1 7 1 F E R _ C C V 12 VCC_TXVCO 13 VDD 15 VLDO1 16 VLDO2 VLDO3 9 RX1800 28 27 RX1800B RX1900 26 RX1900B 25 RX850 32 31 RX850B RX900 30 29 RX900B K L C S 6 5 A T A D S N E S 7 11 TXOP_HI TXOP_LO 10 C N _ C F A V 8 1 14 VBAT 4 I B B _ C C V 33 GND 2 I B I 3 8 C N 3 2 Q B Q 2 2 0 2 N I F E R B N I F E R 9...

Страница 72: ...ND6 36 11 RX1 RX2 12 13 RX3 RX4 14 N E _ X T 4 30 VBATT C I G O L V 2 3 P M A R V 4 1 D N G GND15 25 26 GND16 28 GND17 2 D N G 7 8 3 D N G 4 D N G 9 10 GND5 GND6 15 16 GND7 8 D N G 8 1 9 1 9 D N G 27 GSM_IN 31 PGND1 PGND2 32 33 PGND3 PGND4 2 0 5 U 1 3 5 7 7 Y K S 1 0 2 5 0 0 0 H R M S T N A 7 1 1 S B 5 2 S B 6 DCS_PCS_IN 29 1 GND1 0 2 0 1 D N G 1 1 D N G 1 2 2 2 2 1 D N G 3 1 D N G 3 2 4 2 C524 27...

Страница 73: ... Cable connected Open Yes Check SW501 Pin ANT RF with No RF Cable Connected Short Yes Changing SW501 For these 2 test case No Call connection is needed Check RF Level of U502 14 for GSM850 U502 13 for EGSM U502 12 for DCS1800 U502 11 for PCS1900 Ant SW Mobile SW is OK See next Page to check Rx I Q Signal Pin 14 15 62dBm Pin 13 12 63dBm Yes No For this RF Level test case RX Stand alone Mode is need...

Страница 74: ...EFORM TP3 T43 TP1 TP2 CIRCUIT TP1 TP2 TEST POINT TP3 TP4 RX_I RX_Q 1 O D L V n 0 2 2 9 0 5 C Q B B _ C C V 4 2 E F _ C C V 1 7 1 F E R _ C C V 12 VCC_TXVCO 13 VDD 15 VLDO1 16 VLDO2 VLDO3 9 RX1800 28 27 RX1800B RX1900 26 RX1900B 25 RX850 32 31 RX850B RX900 30 29 RX900B K L C S 6 5 A T A D S N E S 7 11 TXOP_HI TXOP_LO 10 C N _ C F A V 8 1 14 VBAT 4 I B B _ C C V 33 GND 2 I B I 3 8 C N 3 2 Q B Q 2 2 ...

Страница 75: ... TROUBLE SHOOTING LGE Internal Use Only 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 3 Check PAM control signal 4 Check TX I Q Signal 2 Check Mobile SW PAM CHECKING FLOW ...

Страница 76: ...1 O D L V 0 2 5 C p 0 0 1 1 O D L V u 1 0 4 0 5 C n 0 2 2 9 0 5 C Q B B _ C C V 4 2 E F _ C C V 1 7 1 F E R _ C C V 12 VCC_TXVCO 13 VDD 15 VLDO1 16 VLDO2 VLDO3 9 RX1800 28 27 RX1800B RX1900 26 RX1900B 25 RX850 32 31 RX850B RX900 30 29 RX900B K L C S 6 5 A T A D S N E S 7 11 TXOP_HI TXOP_LO 10 C N _ C F A V 8 1 14 VBAT 4 I B B _ C C V 33 GND 2 I B I 3 8 C N 3 2 Q B Q 2 2 0 2 N I F E R B N I F E R 9...

Страница 77: ...GND6 36 11 RX1 RX2 12 13 RX3 RX4 14 N E _ X T 4 30 VBATT C I G O L V 2 3 P M A R V 4 1 D N G GND15 25 26 GND16 28 GND17 2 D N G 7 8 3 D N G 4 D N G 9 10 GND5 GND6 15 16 GND7 8 D N G 8 1 9 1 9 D N G 27 GSM_IN 31 PGND1 PGND2 32 33 PGND3 PGND4 2 0 5 U 1 3 5 7 7 Y K S 1 0 2 5 0 0 0 H R M S T N A 7 1 1 S B 5 2 S B 6 DCS_PCS_IN 29 1 GND1 0 2 0 1 D N G 1 1 D N G 1 2 2 2 2 1 D N G 3 1 D N G 3 2 4 2 C524 2...

Страница 78: ... disconnected Short Yes Changing SW501 No No Check R513 R514 C512 Check whether Ant SW Set as TX mode iRefer to Graph 4 3 2 iRefer to Table 4 3 2 Yes Check PA_EN ANT_SW1 VBAT Check RF Level of U502 27 for GSM850 EGSM U502 29 for DCS PCS Pin15 29 5dBm Pin10 26 5dBm No Yes No Changing board Go to 4 3 3 Checking PAM control signal END For the test TX Stand alone Mode is needed Refer to chapter 10 PL ...

Страница 79: ...6 6 0 _ O I P G 0 7 0 _ O I P G 0 6 0 _ O I P G 34 35 PGND5 PGND6 36 11 RX1 RX2 12 13 RX3 RX4 14 N E _ X T 4 30 VBATT C I G O L V 2 3 P M A R V 4 1 D N G GND15 25 26 GND16 28 GND17 2 D N G 7 8 3 D N G 4 D N G 9 10 GND5 GND6 15 16 GND7 8 D N G 8 1 9 1 9 D N G 27 GSM_IN 31 PGND1 PGND2 32 33 PGND3 PGND4 2 0 5 U 1 3 5 7 7 Y K S 1 0 2 5 0 0 0 H R M S T N A 7 1 1 S B 5 2 S B 6 DCS_PCS_IN 29 1 GND1 0 2 0...

Страница 80: ...OW WAVEFORM TP3 TP4 TP1 TP2 CIRCUIT TEST POINT TX_I TX_Q TP1 TP2 TP3 TP4 1 O D L V n 0 2 2 Q B B _ C C V 4 2 E F _ C C V 1 7 1 F E R _ C C V 12 VCC_TXVCO 13 VDD 15 VLDO1 16 VLDO2 VLDO3 9 RX1800 28 27 RX1800B RX1900 26 RX1900B 25 RX850 32 31 RX850B RX900 30 29 RX900B K L C S 6 5 A T A D S N E S 7 11 TXOP_HI TXOP_LO 10 C N _ C F A V 8 1 14 VBAT 4 I B B _ C C V 33 GND 2 I B I 3 8 C N 3 2 Q B Q 2 2 0 ...

Страница 81: ...7 D 2 2 D D A 0 1 K 3 2 D D A 3 D D A 3 J 4 D D A 4 H 5 H 5 D D A 6 D D A 6 H 7 D D A 5 G 8 D D A 4 G 9 D D A 9 K 0 D D A 4 K 1 D D A 5 J 0 1 D D A 4 E 1 1 D D A 4 F 2 1 D D A 4 D 1 1 J 3 1 D D A 4 1 D D A 5 E 5 1 D D A 9 J 7 E 6 1 D D A 6 G 7 1 D D A 7 F 8 1 D D A 9 1 D D A 7 G 2 D D A 4 J 1u C112 C T R V _ 8 V 1 C122 22p C105 33u C I M V _ 5 V 2 C123 0 1u T A B V T X E V _ 3 9 V 2 C108 1u C103 1...

Страница 82: ...O outputs at U103 Logic level at RPWRON DBBON of D106 TP2 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 U103 VCORE 1 2V 1 5V 2V75_VCXO 2 75V 1V88_VMEM 1 88V 2V85_VSIM 2 85V 2V93_VEXT 2 93V 1V5_VPLL 1 5V 2V5_VMIC 2 5V 2V5_VABB 2 5V Re download software Does it work properly Replace the main boar...

Страница 83: ...O E R P P _ G H C N E _ G H C B S U 6 D x T _ T R A U X R D 7 1 X T D 6 1 N O R 1 1 T T A B 0 1 9 C I M t e s d a e H 2 D x R _ T R A U B S U V 5 1 D _ K C A J 8 R _ O S H 5 B S U 7 L _ O S H 4 R S D 4 1 25V G H C 3 1 2 1 p 0 0 1 3 0 3 C 6 1 3 C u 7 4 N O R W P R X R _ T R A U 2 2 3 4 5 6 7 8 9 2 0 3 N C 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 2 0 2 1 2 0 0 0 1 E P 8 1 1 4 0 U G 1 0 8 6 0 0 0 Y ...

Страница 84: ...ES YES YES YES Battery is charged YES Charging is properly operating NO NO NO NO NO Resolder the CN302 Pin 12 13 VCHARGE The TA is out of order Change the TA Replace the R120 R123 Replace the main board CHECKING FLOW Battery is charged NO Change the battery Charging is properly operating YES NO Replace the U102 Check the voltage at C312 5 1V Replace the FB303 Is the voltage at pin 12 of U102 5 1V ...

Страница 85: ...ROUBLE SHOOTING LGE Internal Use Only 4 6 Vibrator Trouble TEST POINT CIRCUIT Figure 4 6 U103 Q102 GND TP2 L108 R141 C171 TP1 2 0 9 4 0 0 0 A B Q E 2 0 1 Q B _ 1 Q 2 C _ 1 Q 6 E _ 1 Q 1 5 B _ 2 Q 3 C _ 2 Q 4 E _ 2 Q 1 4 1 R 2 2 1 2 4 0 1 N C LA4 436BK SJMY0007904 8 0 1 L H n 0 0 1 2 2u C174 T A B V R O T A R B I V TP1 TP2 ...

Страница 86: ...eering mode and set vibrator on at vibration of BB test menu CHECKING FLOW START Is the voltage at pin 3 of Q102 toggled TP1 YES NO Is the voltage at pin2 Of Q102 toggled TP2 YES Connection of vibrator Is good YES Replace vibrator YES Vibrator Working well Check the soldering of L108 R141 C171 Q102 NO Replace the main board Reconnect vibrator NO Check the soldering or replace Q102 ...

Страница 87: ... D312 6 0 0 1 _ E D O I D _ I N D K 0 0 1 4 1 3 R D313 G1 5 G2 10 1 A _ T U O N I 1 2 2 A _ T U O N I 3 A _ T U O N I 3 4 4 A _ T U O N I 9 1 B _ T U O N I 2 B _ T U O N I 8 7 3 B _ T U O N I 6 4 B _ T U O N I 8 0 3 L F D I _ D C L 2 1 A T A D _ D C L 8 0 A T A D _ D C L 9 0 A T A D _ D C L 1 1 A T A D _ D C L 0 1 A T A D _ D C L 8 0 A T A D _ L 9 0 A T A D _ L 0 1 A T A D _ L 1 1 A T A D _ L 2 1 ...

Страница 88: ...ight reserved Only for training and service purposes LGE Internal Use Only 4 TROUBLE SHOOTING LGE Internal Use Only Waveform Graph 4 7 2 LCD Data Waveform Graph 4 7 1 LCD Backlight Control Signal Waveform LCD_BACKLIGHT_CTRT LCD_RS LCD_CS LCD_WR ...

Страница 89: ...RL TP2 Signal is high Level 4 TROUBLE SHOOTING START NO NO YES Check the Waveform of EMI filter Resoldering or Replace U304 NO Resoldering or replace EMI filter FL302 FL305 FL306 FL308 FL309 Does LCD work properly Replace LCD module LCD working well YES CHECKING FLOW NO Check the Waveform of Data pins on CN304 LCD_RS LCD_CS LCD_WR Replace Main board NO Check the connection of LCD and CN304 Reassem...

Страница 90: ...2 L 7 K X A 5 0 3 N C 1 0 4 0 2 0 0 Y B N E 2 G 1 G 4 G 3 G 1 C330 1u 4 7K R316 7 0 3 L F G1 5 G2 10 1 A _ T U O N I 1 2 2 A _ T U O N I 3 A _ T U O N I 3 4 4 A _ T U O N I 9 1 B _ T U O N I 2 B _ T U O N I 8 7 3 B _ T U O N I 4 B _ T U O N I 6 C329 1u T E S E R G1 5 G2 10 1 A _ T U O N I 1 2 2 A _ T U O N I 3 A _ T U O N I 3 4 4 A _ T U O N I 9 1 B _ T U O N I 2 B _ T U O N I 8 7 3 B _ T U O N I ...

Страница 91: ...erved Only for training and service purposes 4 TROUBLE SHOOTING LGE Internal Use Only Waveform I2C Data Waveform nCAM_RESET CAM_I2C_DATA CAM_MCLK MCLK Waveform 13MHz CAM_VSYNC vs CAM_HSYNC Waveform CAM_VSYNC CAM_HSYNC CAM_HSYNC vs CAM_PCLK Waveform 20 8MHz CAM_HSYNC CAM_PCLK ...

Страница 92: ...7 Does Camera work properly Replace Camera Camera working well YES CHECKING FLOW NO Check the Waveform of Data pins on CN305 nCAM_RESET CAM_MCLK CAM_PCLK CAM_HSYNC CAM_VSYNC CAM_I2C_DATA Replace Main board NO Check the connection of Camera module and CN305 Reassemble camera module to CN305 YES NO Check the Waveform of all pins CN305 Replace CN305 YES YES NO Check the voltages at pin 7 8 TP1 of U30...

Страница 93: ... T U O 1 4 N I 2 2IN 5 6 T U O 2 2 D N G 8 C N V 7 N D H S _ 3 1 2 2 C 4 0 2 D p 7 4 T A B V 1 4 2 C K 0 1 7 0 2 R 4 3 2 R 0 u 7 4 1 3 2 C 0 0 8 1 3 0 2 B F n 7 4 3 0 2 C 5 0 0 1 _ R E T S I R A V _ I N D 3 0 2 A V 4 0 2 L H n 0 0 1 T A B V p 0 0 2 1 0 3 2 C 5 3 2 C p 0 0 1 0 2 8 4 1 2 R p 7 4 9 2 2 C p 7 4 4 3 2 C 1 1 3 2 R 1 0 3 2 R 2 0 2 D 2 0 4 5 0 0 0 Y V E S R F 0 0 5 5 0 5 0 S V C I 7 0 2 A...

Страница 94: ...G FLOW Woofer Check spk module or change No Can you see the AC waveform Check L201 L202 Pad 1st Resolder L201 L202 2nd Resolder CN201 1st Resolder C201 C203 R203 R206 2nd Resolder U201 Yes Can you hear sound from Earphone Can you see the AC waveform Check C228 C232 Pad 1st Resolder C202 C204 R204 R207 C217 2nd Resolder U202 U205 Resolder U103 Or Change Main Board No No Speaker Working well Yes Yes...

Страница 95: ...rnal Use Only Can you hear sound from speaker CHECKING FLOW Tweeter Check spk module or change 1st Resolder FB201 FB202 FB203 FB204 2nd Resolder CN201 Can you hear sound from Earphone Can you see the AC waveform Check C228 C232 Pad Resolder C228 C232 R215 R217 C220 C224 Resolder U103 Or Change Main Board No No Yes Yes No Yes Speaker Working well ...

Страница 96: ...2 C 4 0 2 D p 7 4 T A B V 1 4 2 C K 0 1 7 0 2 R 4 3 2 R 0 u 7 4 1 3 2 C 0 0 8 1 3 0 2 B F n 7 4 3 0 2 C 5 0 0 1 _ R E T S I R A V _ I N D 3 0 2 A V 4 0 2 L H n 0 0 1 T A B V p 0 0 2 1 0 3 2 C 5 3 2 C p 0 0 1 0 2 8 4 1 2 R p 7 4 9 2 2 C p 7 4 4 3 2 C 1 1 3 2 R 1 0 3 2 R 2 0 2 D 2 0 4 5 0 0 0 Y V E S R F 0 0 5 5 0 5 0 S V C I 7 0 2 A V 2 4 2 C T X E V _ 3 9 V 2 4 6 5 7 8 9 2 G 1 G 4 G 3 G p 0 0 1 1 ...

Страница 97: ...E SHOOTING LGE Internal Use Only START NO YES YES Check the L203 L204 CN201 Problem is solved NO Change L203 L204 CN201 YES NO Change speaker module Change the U103 Can you hear the sound from the earphone CHECKING FLOW NO Reassemble speaker module Can you hear the sound form RCV Receiver Working well YES Receiver Working well ...

Страница 98: ...diode 1 3 1 5 R 18p C254 H n 0 0 1 9 0 2 L 220K R226 0 2 3 2 2 R S A I B C I M S H 0 0 8 1 6 0 2 B F 0 0 8 1 8 0 2 B F C250 39p L211 100nH u 1 0 8 5 2 C 1 5 C C V N I V 3 4 N I V B P O N X G M 1 9 2 7 V M L 4 0 2 U D N G 2 T U O 4 7 1 0 0 H P A J K 1 0 9 6 0 0 0 E J N E 1 0 2 J 0 0 8 1 5 0 2 B F D211 ECTH0005601 298D106X0010M2T 10u C247 p 0 0 1 8 4 2 C J 0 1 R 5 0 0 1 K H H n 0 0 1 5 0 2 L 9 0 0 5...

Страница 99: ... 100 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING ...

Страница 100: ... B S U 7 L _ O S H 4 R S D 4 1 25V G H C 3 1 2 1 p 0 0 1 3 0 3 C 6 1 3 C u 7 4 N O R W P R X R _ T R A U 2 2 3 4 5 6 7 8 9 2 0 3 N C 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 2 0 2 1 2 0 0 0 1 E P 8 1 1 4 0 U G 1 0 8 6 0 0 0 Y R N E p 7 2 0 0 8 1 2 0 3 B F 4 0 3 C R S D G H C V 2 0 3 L H n 0 0 1 7 4 6 0 3 R 7 4 5 0 3 R T X E V _ 3 9 V 2 1u C308 10K 0 0 8 1 1 0 3 B F R302 C332 DNI C314 1u T U O 10K...

Страница 101: ... the earphone Set the audio part of the test equipment to PRBS or Continuous wave mode CHECKING FLOW Check L205 U103 YES Can you hear the sound from the earphone NO Is CN302 JACK DETECT TP1 LOW When you call can you hear sound at center speaker in speakerphone mode YES NO Check U203 FB301 FB302 Resolder U103 Q201 R208 U202 C202 C204 205 R205 C217 U205 Can you hear the sound from the earphone in th...

Страница 102: ... 8 1 8 0 8 0 C I M w e N o t d e g n a h C C I M u 0 1 5 4 2 C 6 0 2 L H n 0 0 1 2 0 4 5 0 0 0 Y V E S R F 0 0 5 5 0 5 0 S V C I 0 1 2 A V 9 0 0 5 0 0 0 H C L E H n 0 0 1 8 0 2 L J 0 1 R 5 0 0 1 K H 0 1 6 0 1 0 0 Y M U S B Q H 5 R L 0 1 4 0 M P S 1 0 2 C I M 1 G 2 3 2 G 4 3 G 4 G 6 1 T U O R W P 5 p 9 3 6 5 2 C C I M V _ 5 V 2 9 0 2 A V 5 5 2 C p 7 2 0 0 2 2 5 2 2 R 6 4 2 C p 0 0 1 2 2 2 R K 1 7 0...

Страница 103: ... work properly SETTING After initialize Agilent 8960 Test GSM850 PCS mode YES Check the Signal Level at each Side of MIC201 Is it a few tens mV AC Check the soldering of L207 L208 NO Change the microphone YES NO Resolder component CHECKING FLOW 1 Check mic Bias signal line 2 Change the U103 Check microphone sound hole Make a phone call then check R222 mic bias signal comes from U103 TP1 ...

Страница 104: ...0 Y S N E 2 3 3 7 3 4 7 1 3 0 1 N C 1 1 2 2 3 2 7 1 C u 1 R134 56K 22p C157 22p C156 M I S V _ 5 8 V 2 1 7 1 C p 0 0 0 1 2V85_VSIM 2V85_VSIM L106 100nH 0 6 1 C u 1 0 D105 R133 56K L105 100nH D104 R136 56K R132 56K L107 100nH 6 0 0 1 _ E D O I D _ I N D D103 7 2 1 R K 7 4 D102 R135 56K 6 0 1 U F R T D 1 8 2 K 4 0 1 P R 1 0 6 5 5 3 0 Y S U E C N _ E C 3 D N G 2 PGND 5 4 T U O V D D V 1 56K R131 3 0 ...

Страница 105: ...upport 3V or 1 8V NO Change the SIM Card This phone supports 3V or 1 8V SIM card YES Is Voltage at the pin C6 of CN103 2 85V NO Change the U103 NO YES Resolder CN103 L107 YES Change the SIM Card And try again Does it work Properly YES SIM card is properly working Redownload SW Does it work Properly NO Change the main board NO YES SIM card is properly working CHECKING FLOW TP1 is 2 85V ...

Страница 106: ... 0 0 Y T D E 8 0 1 D D N G 0 W O R _ Y E K 1 W O R _ Y E K 2 W O R _ Y E K 3 W O R _ Y E K 4 W O R _ Y E K 5 W O R _ Y E K 2 T H G I L K C A B _ Y E K 0 L O C _ Y E K 3 T H G I L K C A B _ Y E K 1 L O C _ Y E K 2 L O C _ Y E K 3 L O C _ Y E K 4 L O C _ Y E K Y E K R E W O P 080728 Change the R s value from EDLH0011901 WHITE TO EDLH0012504 SNOW WHITE R122 R121 130 130 130 R120 LD104 LD109 R126 LD11...

Страница 107: ... WDDI WDDQ T18 R19 WUDI WUDQ R18 T20 UCLK P18 USB_DM N18 USB_DP M13 USB_ID TCK A9 TDI B12 LIGHT1 F18 LIGHT2 G17 LIGHT3 G18 KEYON K22 KEYOUT L20 KEY_BACKLIGHT2 KEY_BACKLIGHT3 USB_P USB_N POWERKEY KEY_ROW4 B o t B Y E K O T N I A M 3 0 3 D C 8 6 B S R P 3 4 5 6 7 8 9 1 0 3 N C G 7 4 1 0 2 7 K X A 1 0 5 9 1 0 0 Y B N E 1 1 1 0 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 2 0 2 MSMF05C P EDTY0008604 D302 T A B V...

Страница 108: ...E R 7 1 C N I C S O 7 A 8 A T U O C S O 6 1 B E S N E S I N E G A T J 1 Y 0 7 _ O I P G 1 7 _ O I P G 7 Y 8 U 2 7 _ O I P G 8 Y 3 7 _ O I P G 6 B A 4 7 _ O I P G 6 7 _ O I P G 2 1 K 8 7 _ O I P G 7 A A L9 GND2 GND3 M9 GND4 M10 R6 GND5 5 1 C E V I R D E T A G GND1 A1 6 1 C T E D G H C 0 2 G D E L G H C 6 1 D 1 C D A X U A 2 C D A X U A 7 1 B p 2 2 9 4 1 C 0 5 1 C u 1 u 1 0 4 5 1 C M 0 1 4 2 1 R R12...

Страница 109: ...ses 4 TROUBLE SHOOTING LGE Internal Use Only RTC will work properly START Resolder the BAT101or change the BAT101 NO YES YES CHECKING FLOW Is BAT101 voltage Above 1 2V Resolder the X101 or change the X101 NO Is RTC properly working NO Re download software and try again YES Is frequency at R124 about 32 768KHz TP1 2 ...

Страница 110: ... 0 0 Y S N E 2 3 3 7 3 4 7 1 3 0 1 N C 1 1 2 2 3 2 7 1 C u 1 R134 56K 22p C157 22p C156 M I S V _ 5 8 V 2 1 7 1 C p 0 0 0 1 2V85_VSIM 2V85_VSIM L106 100nH 0 6 1 C u 1 0 D105 R133 56K L105 100nH D104 R136 56K R132 56K L107 100nH 6 0 0 1 _ E D O I D _ I N D D103 7 2 1 R K 7 4 D102 R135 56K 6 0 1 U F R T D 1 8 2 K 4 0 1 P R 1 0 6 5 5 3 0 Y S U E C N _ E C 3 D N G 2 PGND 5 4 T U O V D D V 1 56K R131 3...

Страница 111: ...ly Micro SD Detect OK START Re attach or Replace CN103 NO YES T3 IS HIGH NO YES Re download SW YES Replace Micro SD Card CHECKING FLOW YES NO IF TP1 LOW Change U106 Check the TP1 2 8V TP4 2 93V TF_DET TP2 Is High R131 R132 R133 R134 R135 R136 YES NO IF TP4 LOW Change U103 Is Micro SD Card Worked properly Is Micro SD Card Worked properly NO NO Is Micro SD Card Worked properly NO YES YES YES ...

Страница 112: ...1 G4 G10 VSS12 VSS13 H1 J2 VSS14 C2 VSS2 VSS3 D2 7 G 3 C D D V 4 C D D V 7 A 0 1 J 5 C D D V 4 A 1 M F D D V 2 M F D D V 1 B 3 B 3 M F D D V 4 M F D D V 4 J 4 K 5 M F D D V O L D D V 1 J 8 K 1 _ 8 1 O D D V 2 _ 8 1 O D D V 8 A 9 F 3 _ 8 1 O D D V 1 _ 3 3 O D D V 9 A 0 1 E 2 _ 3 3 O D D V 3 _ 3 3 O D D V 8 J L L P D D V 1 K 4 B N I O P L C N 4 D 2 H S E R 1 G N O I F R P O I F R 1 F N _ T S R 6 D 7...

Страница 113: ... SHOOTING LGE Internal Use Only Check Bias Voltage 2V93_Vext at C412 Vbat at C411 START NO YES CHECKING FLOW Replace U103 BT_MAIN_CLK_EN check at C410 NO Replace U401 YES 26MHz check at C501 YES NO Replace U601 BT_Reset check YES NO Replace U103 Bluetooth on is OK YES NO Re download SW and try again Bluetooth will work properly ...

Страница 114: ... D D V 2 _ 8 1 O D D V 8 A 9 F 3 _ 8 1 O D D V 1 _ 3 3 O D D V 9 A 0 1 E 2 _ 3 3 O D D V 3 _ 3 3 O D D V 8 J L L P D D V 1 K 4 B N I O P L C N 4 D 2 H S E R 1 G N O I F R P O I F R 1 F N _ T S R 6 D 7 K 0 M T 7 J 1 M T 2 M T 6 F 6 J 3 M T 7 F N _ S T C _ T R A U N _ S T R _ T R A U 9 C 9 J D X R _ T R A U D X T _ T R A U 0 1 K 1 C D D V 5 G 9 D 2 C D D V 5 O I P G _ A 9 K 7 B 6 O I P G _ A 7 O I P...

Страница 115: ...M Radio is working well NO YES YES FM_radio will work properly Check condition of matching components L401 C403 C404 FM Radio is working well NO YES Give the additory solder in L401 C403 C404 Check Bias Voltage 2V93_Vext at C412 VBAT at C411 YES NO Replace U103 YES NO Replace U103 FM_Radio work is good NO Replace U401 Check BT_32k TP2 Check 3 5Phi Ear Mic Works good Check TP1 NO Change U302 YES NO...

Страница 116: ...ad Setup Figure 5 1 describes Download setup Figure 5 1 Download Setup Preparation Target terminal PIF Union RS 232 Cable and PIF UNION to Phone interface Cable and USB 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 W download a UART a USB ...

Страница 117: ...nal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LGE Internal Use Only B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...

Страница 118: ...rved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD LGE Internal Use Only 2 Select Configuration from the menu and you may see this window 3 Press key to select DLL file and press Open OPEN OPEN CANCLE File Name File Type Location ...

Страница 119: ...ht 2009 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LGE Internal Use Only 4 Press key to select the mot files 5 Select GM200_PV bin and press open OPEN CANCLE File Name File Type Location OPEN ...

Страница 120: ...ht 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 5 DOWNLOAD LGE Internal Use Only 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration ...

Страница 121: ...lectronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD LGE Internal Use Only 9 Press START to execute download 10 Once downloading is started press STOP button to keep from re downloading after downloading is completed ...

Страница 122: ... 123 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM LGE Internal Use Only ...

Страница 123: ... 124 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 124: ... A T A D M E M V _ 8 8 V 1 T A B V p 9 3 5 6 1 C 8 4 1 C T X E V _ 3 9 V 2 2V85_VSIM 2V85_VSIM C108 u 1 0 0 1u C158 39p u 1 0 4 5 1 C 1u L106 100nH C166 C103 T A B V 1u u 1 0 22u C120 9 2 1 C 1 2 4 0 1 N C LA4 436BK SJMY0007904 p 9 3 0 3 1 R K 7 4 4 6 1 C 0 1u C162 4 Q C C V 2 C 1 S S V 0 1 S S V 6 K 7 K 1 1 S S V 2 1 S S V 8 K 3 C 2 S S V 4 C 3 S S V 4 S S V 6 C 7 C 5 S S V 6 S S V 8 C 7 S S V 2 ...

Страница 125: ...R B P O N X G M 1 9 2 7 V M L 4 0 2 U D N G 2 T U O 4 7 1 0 0 H P A J K 1 0 9 6 0 0 0 E J N E 1 0 2 J 0 0 8 1 5 0 2 B F 4 3 2 R 0 u 7 4 1 3 2 C 0 1 6 0 1 0 0 Y M U S B Q H 5 R L 0 1 4 0 M P S 1 0 2 C I M 1 G 2 3 2 G 4 3 G 4 G 6 1 T U O R W P 5 p 9 3 6 5 2 C 0 0 8 1 3 0 2 B F C I M V _ 5 V 2 n 7 4 3 0 2 C 5 0 0 1 _ R E T S I R A V _ I N D D211 3 0 2 A V 4 0 2 L H n 0 0 1 T A B V 9 0 2 A V p 0 0 2 1...

Страница 126: ... 0 Y E F S 1u 3 C N _ E C 2 D N G 5 PGND D D V 1 4 T U O V C308 1 0 6 5 5 3 0 Y S U E 1 0 3 U F R T D 1 8 2 K 4 0 1 P R D E E F Y M M U D D314 7 0 3 L F G1 5 G2 10 1 A _ T U O N I 1 2 2 A _ T U O N I 3 A _ T U O N I 3 4 4 A _ T U O N I 9 1 B _ T U O N I 2 B _ T U O N I 8 7 3 B _ T U O N I 4 B _ T U O N I 6 1 0 1 0 4 0 0 F G N S 1 0 3 T N A 1 F 5 1 0 3 0 0 1 A F M A p 0 0 0 1 7 1 3 C 10K 0 0 8 1 1 ...

Страница 127: ...VSS11 G4 G10 VSS12 VSS13 H1 J2 VSS14 C2 VSS2 VSS3 D2 7 G 3 C D D V 4 C D D V 7 A 0 1 J 5 C D D V 4 A 1 M F D D V 2 M F D D V 1 B 3 B 3 M F D D V 4 M F D D V 4 J 4 K 5 M F D D V O L D D V 1 J 8 K 1 _ 8 1 O D D V 2 _ 8 1 O D D V 8 A 9 F 3 _ 8 1 O D D V 1 _ 3 3 O D D V 9 A 0 1 E 2 _ 3 3 O D D V 3 _ 3 3 O D D V 8 J L L P D D V 1 K 4 B N I O P L C N 4 D 2 H S E R 1 G N O I F R P O I F R 1 F N _ T S R 6...

Страница 128: ...R G 1 0 3 6 0 0 0 Y W N E ANT G1 G2 RF 9 1 5 C p 0 0 1 1 O D L V 5 1 5 C 0 2 5 C p 2 2 p 0 0 1 1 O D L V 22p C531 DNI R512 100p C522 I N D 1 0 5 R p 7 4 1 1 5 R 0 0 F 0 N C M 1 8 8 N E W A S 1 D N G 2 3 2 D N G 5 3 D N G 4 D N G 0 1 5 _ 1 8 8 _ N I 4 5 _ 2 4 9 _ N I 1 1 _ 5 _ 1 8 8 _ T U O 7 6 2 _ 5 _ 1 8 8 _ T U O 1 _ 5 _ 2 4 9 _ T U O 9 8 2 _ 5 _ 2 4 9 _ T U O 2 0 8 1 0 0 0 B S F S 2 0 5 L F K 1...

Страница 129: ...D 2 T H G I R 7 0 1 D T A B V 6 0 0 1 _ E D O I D _ I N D 1 1 1 R 0 5 1 7 0 1 R 0 5 1 0 5 1 0 5 1 6 0 1 R 1 0 1 R 0 5 1 5 0 1 R LD103 D N E S H C R A E S K O U N E M LD105 9 130 7 R125 130 R128 130 R127 LD106 LD101 TWH104 HS EDLH0012504 130 R119 LD102 P R A H S 0 T F E L R A T S D N G 8 0 W O R _ Y E K 0 W O R _ Y E K 1 W O R _ Y E K 2 W O R _ Y E K 3 W O R _ Y E K 4 W O R _ Y E K 5 W O R _ Y E K ...

Страница 130: ... 131 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 BGA Pin Map 8 BGA Pin Map LGE Internal Use Only AD 6725 ATLAS3HLITE U103 NC ...

Страница 131: ... 132 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA Pin Map LGE Internal Use Only PF38F5060M0Y0BE Memory U101 NC ...

Страница 132: ... 133 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 8 BGA Pin Map LGE Internal Use Only BCM2048SB0 BT FM Radio U401 NC ...

Страница 133: ... 134 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 8 BGA Pin Map LGE Internal Use Only NC LM4925DRLX SUB AUDIO SYSTEM ...

Страница 134: ... SPK No Sound Operation X501 26MHz No Rx Operation FL501 FL502 SAW filter Can t make a call No service U401 BT chip No BT Operation FL401 BT SAW filter No BT Operation U501 RF module Can t make a call No service 135 9 PCB LAYOUT LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 135: ...e pump No LCD Display U302 FM LNA No FM Operation CN304 LCD Conn No LCD Display U102 Charging IC No Charging Operation CN201 Speaker Module conn No Sound Operation U303 Camera LDO No Camera Operation U103 Main chip AD6725 ATLAZ3HLITE No Power on CN104 Vibrator No Vibrator Operation X101 32 768KHZ No Power on SW501 RF switch Can t make a call No service ANT401 No BT Operation MIC201 Main Mic No Mic...

Страница 136: ... 137 9 PCB LAYOUT LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 137: ...9 PCB LAYOUT 138 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes MP3 sidekey Conn Key to Main B to B ...

Страница 138: ... 139 9 PCB LAYOUT LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 139: ...9 PCB LAYOUT 140 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes ...

Страница 140: ... on is 1809 200 Pressing END will switch back to non engineering mode operation C Key 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 menu D Engineering Mode Menu Tree Engineering Mode Device Test ELT Mode Version Factory Reset Usage Info Network info Function Test LCD PCS1900 Auto DCS1800 Band Select ...

Страница 141: ...1 1 Function tst 1 key Vib Sound Test We can test operating key motor Sound 2 Cam Mem sync We can test operating Camera 10 1 2 Main LCD We can choose LCD color 1 white 2 Red 3 Gren 4 Blue 5 Black 6 Gray 10 1 3 LCD Backlight We can tune off LCD Backlight 1 On 2 Off 10 1 4 Key Backlight We can tune off Key Backlight 10 1 5 MicRev We can confirm MIC and Receiver 1 On 2 Off 1 On 2 Off ...

Страница 142: ...EERING MODE LGE Internal Use Only 10 2 ELT Mode 10 2 1 Automatic 1 1time 2 2times 3 3times 4 4times 5 5times 6 infinite Times 10 2 2 manual 1 LCD backlight 2 Ringtone 3 Vibrator 4 Camera 5 Audio Loopback 10 3 Version We can know SW ver 10 4 Factory Reset After SW dawnloading have to Factory Reset 10 5 Usage info security Check ...

Страница 143: ... TEMP_LOW_RECHARGE_LMT TEMP_LOW_LIMIT 2 Bat Cal This displays the value of Battery Calibration The following menus are splayed in order BAT_LEV_4V BAT_LEV_3_LIMIT BAT_LEV_2_LIMIT BAT_LEV_1_LIMIT BAT_IDLE_LI MIT BAT_INCALL_LIMIT SHUT_DOWN_VOLTAGE BAT_RECHARGE_LMT 3 MVBAT ADC Main Voltage Battery ADC 4 AUX ADC Auxiliary ADC 5 TEMPER ADC Temperature ADC 10 6 1 2 LCD Info LCD size 10 6 1 3 Firmware In...

Страница 144: ...Downlink Gain 3 Sidetone Gain 4 Filter Table 5 Echo Canceller 10 6 2 1 Ringtone 1 Downlink Gain 2 Sidetone Gain 3 Echo Canceller 10 6 2 1 Headphone 1 Downlink Gain 2 Sidetone Gain 3 Echo Canceller 10 6 2 1 Speakerphone 1 Uplink Gain 2 Downlink Gain 3 Sidetone Gain 4 Filter Table 5 Echo Canceller 10 6 2 1 Speakerphone 1 Uplink Gain 2 Downlink Gain 3 Sidetone Gain 4 Filter Table 5 Echo Canceller ...

Страница 145: ...DCS1800 10 7 4 PCS1900 We can choose RF Band 10 8 Network Info 10 8 1 Cell Env Idle 10 8 2 Cell Env Ded We can confirm Network Info 1 Scell ARFCN We can confirm Channel Info 2 Scell RxLEV We can confirm Rx Level Info 3 Band We can confirm RF Band 1 ARFCN We can confirm Channel Info 2 RxLEV_Full TCH Traffic Channel 3 RxLEV_Sub SACCH Slow Associated Control Channel 4 RxQUAL_Full TCH Quality 0 7 5 Rx...

Страница 146: ...ht reserved Only for training and service purposes LGE Internal Use Only 10 ENGINEERING MODE LGE Internal Use Only 10 8 3 1 AUTO 10 8 3 UART Setting 10 8 3 2 CAL DEBUG 10 8 3 3 CMD 10 8 3 1 STATUS 10 8 4 BT TEST 10 8 4 1 Audio test 10 8 4 2 RF test ...

Страница 147: ...setting b In the Dialog Menu select the values as explained below Port select a correct COM port Baud rate 38400 Leave the rest as default values B Tx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM between 5 19 or DCS between 0 15 c Scaling Factor A Ramp Factor a...

Страница 148: ... service purposes LGE Internal Use Only 11 STAND ALONE TEST LGE Internal Use Only 11 3 Means of Test a Select a COM port b Set the values in Tx or Rx c Select band and channel d After setting them all above press connect button e Press the start button Figure 11 1 HW test program ...

Страница 149: ...E Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 11 STAND ALONE TEST LGE Internal Use Only Figure 11 2 HW test setting Figure 11 3 Ramping profile ...

Страница 150: ...able Power supply Auto cal generates calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone 12 2 Equipment List Equipment for Calibration Type Model Band Wireless Communication Test Set HP 8960 Agilent RS 232 Cable and Test JIG LG RF Cable RF 800 LG Power Supply HP 66311B Agilent GPIO interface card HP GPIB Agilen...

Страница 151: ...able 12 2 Jig Power Switch Number Switch 1 Switch 2 Switch 3 Switch 4 Name ADI REMOTE TI REMOTE VBAT PS Description In ON state phone is awaked It is used ADI chipset In ON state phone is awaked It is used TI chipset Power is provided for phone from battery Power is provided for phone from Power supply Table 12 3 Jig DIP Switch LED Number LED 1 LED 2 LED 3 LED 4 Name POWER TA UART MON Description ...

Страница 152: ...d between COM port of PC and MON port of TEST JIG in general 2 Set the Power Supply 4 0V 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 12 4 Procedure 1 Connect as Fig 10 1 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Run HK_37 exe to start calibration 3 From the Calibration SETTING Logic...

Страница 153: ...GE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 12 AUTO CALIBRATION LGE Internal Use Only 4 Set PORT COM2 useing RS232 cable Logic Mode 1 or 3 ...

Страница 154: ...5 Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 12 AUTO CALIBRATION LGE Internal Use Only 5 Select GM200 GM205 model and then Click Start ...

Страница 155: ...rection value Set band EGSM and press Start button the result window will show correction values per every power level and gain code and the same measure is performed per every frequency 12 6 APC This procedure is for Tx calibration In this procedure you can get proper scale factor value and measured power level 12 7 ADC This procedure is for battery calibration You can get main Battery Config Tab...

Страница 156: ... Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes 1 2 3 4 5 6 7 58 8 59 10 17 46 47 49 48 45 44 41 40 39 42 38 37 34 33 31 61 26 24 23 22 25 60 30 29 28 27 32 31 35 36 43 54 51 50 12 57 62 55 53 63 56 13 11 14 16 21 20 18 15 ...

Страница 157: ...ASS Y EXPLODED VIEW 158 LGE Internal Use Only Copyright 2009 LG Electronics Inc All right reserved Only for training and service purposes A I H G F E D C B A B C D E G F H I ...

Страница 158: ...COLOR 8 4 MTAB00 TAPE PROTECTION MTAB0267301 SINTERING empty WITHOUT COLOR 1 4 MTAD00 TAPE WINDOW MTAD0095501 SINTERING empty WITHOUT COLOR 3 4 MWAC00 WINDOW LCD MWAC0106401 CUTTING PMMA MR 200 WITHOUT COLOR 2 3 ACGM00 COVER ASSY REAR ACGM0119201 WITHOUT COLOR D 4 MBJL00 BUTTON SIDE MBJL0066801 MOLD Urethane Rubber S190A WITHOUT COLOR 33 4 MBJL01 BUTTON SIDE MBJL0066901 MOLD Urethane Rubber S190A ...

Страница 159: ...CO MTAA0170001 SINTERING empty WITHOUT COLOR 40 4 MTAB00 TAPE PROTECTION MTAB0267601 SINTERING empty WITHOUT COLOR 44 4 MTAB01 TAPE PROTECTION MTAB0267701 SINTERING empty WITHOUT COLOR 31 4 MTAD00 TAPE WINDOW MTAD0095601 SINTERING empty WITHOUT COLOR 42 4 MWAE00 WINDOW CAMERA MWAE0039401 CUTTING PMMA MR 200 WITHOUT COLOR 43 3 GMEY00 SCREW MACHINE BIND GMEY0009201 1 4 mm 3 5 mm MSWR3 BK B HEAD D 2 ...

Страница 160: ...89601 COMPLEX empty WITHOUT COLOR 62 7 MTAC02 TAPE SHIELD MTAC0086601 COMPLEX empty WITHOUT COLOR 53 6 ACKA00 CAN ASSY SHIELD ACKA0015701 BLACK 7 MCBA00 CAN SHIELD MCBA0044101 PRESS STS WITHOUT COLOR 56 7 MGAD00 GASKET SHIELD FORM MGAD0192201 COMPLEX empty BLACK 63 5 ADCA00 DOME ASSY METAL ADCA0086301 WITHOUT COLOR 12 5 MCBA00 CAN SHIELD MCBA0037201 PRESS Ni WITHOUT COLOR 18 5 MTAJ00 TAPE FLEXIBLE...

Страница 161: ...ty empty empty empty empty empty 1 25 mm 6 C102 CAP CERAMIC CHIP ECCH0000393 22000000 pF 6 3V M X5R HD 2012 R TP empty empty empty empty empty empty 1 25 mm 6 C103 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C104 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C105 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C106 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K ...

Страница 162: ...C129 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C130 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C131 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C132 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C133 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C134 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C135 CAP CHI...

Страница 163: ... 16V K X7R HD 1005 R TP 6 C206 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C207 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C208 CAP CHIP MAKER ECZH0003124 68 nF 16V K X7R HD 1005 R TP 6 C209 CAP CHIP MAKER ECZH0003124 68 nF 16V K X7R HD 1005 R TP 6 C210 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C211 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 10...

Страница 164: ... HD 1005 R TP 6 C237 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C238 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C239 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C240 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C241 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C242 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 100...

Страница 165: ...1005 R TP 6 C301 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C302 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C303 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C304 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C307 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0005603 2 2 uF 10V K X5R TC 1608 R TP 6 C3...

Страница 166: ... K X7R HD 1005 R TP 6 C407 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C408 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C409 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C410 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C411 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C412 CAP CERAMIC CHIP ECCH0000393 22000000 pF 6 3V M X5R ...

Страница 167: ...D204 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D205 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D301 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D302 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D303 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D304 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D308 DIODE TVS EDTY0008606 D...

Страница 168: ...1 0 R TP MLCI Power 3 3 30 SHIELD 2 5X2X1MM empty empty Inductor Wire Wound Chip 6 L102 INDUCTOR CHIP ELCH0001430 100 nH J 1005 R TP PBFREE 6 L103 INDUCTOR CHIP ELCH0001430 100 nH J 1005 R TP PBFREE 6 L104 INDUCTOR CHIP ELCH0001430 100 nH J 1005 R TP PBFREE 6 L105 INDUCTOR CHIP ELCH0001430 100 nH J 1005 R TP PBFREE 6 L106 INDUCTOR CHIP ELCH0001430 100 nH J 1005 R TP PBFREE 6 L107 INDUCTOR CHIP ELC...

Страница 169: ...r PBFREE 6 L410 INDUCTOR CHIP ELCH0003815 2 7 nH S 1005 R TP 6 MIC201 MICROPHONE SUMY0010610 UNIT 42 dB 4 72 3 76 1 25 mems TDMA Improve OMNI empty SMD 6 Q101 TR BJT NPN EQBN0007601 SOT 23 0 15 W R TP EMT3 6 Q201 TR BJT ARRAY EQBA0000602 TESV 200 mW R TP EPITAXIAL PLANAR NPN PNP TRANSISTOR 6 Q301 TR BJT NPN EQBN0007601 SOT 23 0 15 W R TP EMT3 6 R101 RES CHIP ERHY0000254 4 7K ohm 1 16W J 1005 R TP ...

Страница 170: ... 6 R127 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 6 R128 RES CHIP MAKER ERHZ0000485 4700 ohm 1 16W J 1005 R TP 6 R129 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R130 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R131 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R132 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R133 RES CHIP MAKER ERHZ0000404...

Страница 171: ...S CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R214 RES CHIP MAKER ERHZ0000438 20 Kohm 1 16W J 1005 R TP 6 R215 RES CHIP MAKER ERHZ0002401 12 Kohm 1 16W J 1005 R TP 6 R216 RES CHIP MAKER ERHZ0002401 12 Kohm 1 16W J 1005 R TP 6 R217 RES CHIP MAKER ERHZ0002401 12 Kohm 1 16W J 1005 R TP 6 R218 RES CHIP MAKER ERHZ0002401 12 Kohm 1 16W J 1005 R TP 6 R219 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J...

Страница 172: ...41 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R342 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R343 RES CHIP MAKER ERHZ0000438 20 Kohm 1 16W J 1005 R TP 6 R344 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R345 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R346 RES CHIP MAKER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R401 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R402 RES CHIP M...

Страница 173: ...ad Switch 6 U201 IC EUSY0349001 BGA 8 PIN R TP Class AB SPK AMP IC Audio Amplifier 6 U202 IC EUSY0334205 QFN 10 R TP Dual opamp IC OP Amplifier 6 U203 IC EUSY0369501 Micro SMD 36 R TP Stereo Class D Capless HP IC Audio Sub System 6 U204 IC EUSY0353601 PLP1010 4 4 PIN R TP 1x1 LDO 1 8V 150mA IC LDO Voltage Regulator 6 U301 DIODE TVS EDTY0006501 SC70 6L 5 25 V 100 W R TP 6 U302 IC EUSY0355601 PLP101...

Страница 174: ... TP 6 C324 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C325 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C326 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C327 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 D305 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D306 DIODE TVS EDTY0008606 DFN 2 7 82 V 150 mW R TP PB FREE 6 D307 DIODE TVS...

Страница 175: ...6 R322 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R324 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R326 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R327 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 6 R328 RES CHIP MAKER ERHZ0000415 130 ohm 1 16W J 1005 R TP 6 R329 RES CHIP MAKER ERHZ0000415 130 ohm 1 16W J 1005 R TP 6 R330 RES CHIP MAKER ERHZ0000415 130 oh...

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