LG KF350 Service Manual Download Page 55

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3. TECHNICAL BRIEF

LGE Internal Use Only

Only for training and service purposes

GSM900

DCS1800

PCS1900

GSM850

C434
0.1u

6.8nH

L402

18nH

L400

R411

X400

26MHz

GND1 2

GND2

HOT1

HOT2

2V85_VRF

C443

NX3225SA

220n

VDDRX2V8

VDDTX1V5

VDDTX2V8

VDDVCO2V8

VDDXO2V8

XOX

2V85_VRF

RX2

RX2X

RX3

RX3X

RX4

RX4X

TX1

TX2

VBIAS

VCO_RC

VDDBIAS2V8

VDDDIG1V5

VDDDIG2V8

VDDLNA1V5

VDDMIX2V8

VDDRX1V5

CLK

FE1

FE2

FSYS1

FSYS2

FSYS3

GND1

GND2

GND3

GND4

RX1

RX1X

PMB6272

U401

0.1u

C436

2V85_VRF

C435
0.1u

C426

2.2p

220n

C425

C440

5.6nH

L403

2.2p

C423

2V85_VRF

1V5_VRF

4.7n

C432

1V5_VRF

R410

820

0.1u

C433

C439

1000p

47n

C437

C444

0.1u

C431

R412

2.2p

18nH

L401

C428

2.2p

C427

2.2p

C430

C429

1V5_VRF

2V85_VRF

C424

2.2p

RF_CLK

RF_DA

RF_EN

BT_CLK

26MHZ_MCLK

HBAND_PAM_IN

LBAND_PAM_IN

Figure 25 RF transceiver PMB6272 SMARTi-PM schematic

Summary of Contents for KF350

Page 1: ...Service Manual Model KF350 Service Manual KF350 Date October 2008 Issue 1 0 Internal Use Only ...

Page 2: ...uld not be construed as a commitment by LGE Inc Furthermore LGE Inc reserves the right without notice to make changes to equipment design as advances in engineering and manufacturing methods warrant This manual provides the information necessary to install program operate and maintain the KS360 Series REVISED HISTORY Editor Date Issue Contents of Changes S W Version J P Kim Jul 18 2008 0 1 ...

Page 4: ... RF synthesizer 59 3 20 DCXO 59 3 21 Front End Module control 60 3 22 Power Amplifier Module 61 3 23 Mode Selection 62 3 24 PAM Schematic 63 4 TROUBLE SHOOTING 64 4 1 Trouble shooting test setup 64 4 2 Power on Trouble 65 4 3 Charging trouble 68 4 4 LCD display trouble 70 4 5 Camera Troublez 72 4 6 Receiver Speaker troublea 74 4 7 Microphone trouble 77 4 8 Vibrator trouble 79 4 9 Keypad back light...

Page 6: ...orized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not done C Changes in Service A local telephone company may make ch...

Page 7: ... engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contains Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system board they should spread the floor with anti static mat whic...

Page 8: ...DCS Digital Communication System dBm dB relative to 1 milli watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory EGPRS Enhanced General Packet Radio Service EL Electroluminescence ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum Shift Keying GPIB General Purpose Interface Bus GPRS General Packet Radio Service GSM Global Sy...

Page 9: ...hone Network RF Radio Frequency RLR Receiving Loudness Rating RMS Root Mean Square RTC Real Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory STMR Side Tone Masking Rating TA Travel Adapter TDD Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled...

Page 10: ... Sensitivity EGSM 105dBm DCS PCS 105dBm TX output power EGSM 33dBm PL 5 DCS PCS 30 29dBm PL 0 GPRS compatibility Class 10 SIM card type 3V Small Display Main 240 x 320 pixels 2 QVGA 262K color Status Indicator Hard icons Key Pad 0 9 Up Down Left Right Ok Navigation Key Menu Key Clear Key Back Key Confirm Key Send Key Volume Key PWR Key Camera Key Hot Key ANT Built in antenna EAR Phone Jack 18pin m...

Page 11: ...MHz n 512 810 RX TX 80MHz 2 Phase Error RMS 5 degrees Peak 20 degrees 3 Frequency Error 0 1ppm GSM900 EGSM Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 12 19 dBm 3dB 4 Power Level DCS1800 PCS1900 Level Power Toler Level P...

Page 12: ...ax 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 5 Output RF Spectrum 6 000 71 due to modulation DCS1800 PCS1900 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 GSM900 EGSM Offset from Carrier kHz Max dBm Output RF Spectrum 400 19 6 due to switching transient 600 21 1 200 21...

Page 13: ...us Emissions Conduction Emission Status EGSM 8 Bit Error Ratio BER Class II 2 439 102dBm DCS1800 PCS1900 BER Class II 2 439 100dBm 9 Rx Level Report accuracy 10 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 11 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 7 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3...

Page 14: ...ormal 3 mA PP9 21 Talk Time EGSM Lvl 7 Battery Capacity 800mA 180 min EGSM Lvl12 Battery Capacity 800 mA 320min Under conditions at least 300 hours 1 Brand new and full 800mAh battery 22 Standby Time 2 Full charge no receive send and keep GSM in idle mode 3 Broadcast set off 4 Signal strength display set at 3 level above 5 Backlight of phone set off At least 65 dB under below conditions 23 Ringer ...

Page 15: ...Number Voltage 0 05V 3 4 15V 4 25V 26 Battery Indicator 2 3 69V 3 79V 1 3 62V 3 72V 0 3 54V 3 64V 27 Low Voltage Warning 3 59V 0 05V Call 3 59V 0 05V Standby 28 Forced shut down Voltage 3 23 0 05 V Li ion Battery 29 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 800mAh Switching mode charger 30 Travel Charger Input 150 240 V 50 60Hz Out put 5 1 0 4A ...

Page 16: ...dBm 3dB 7 27dBm 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 5 Power Level 12 19dBm 3dB DCS1800 PCS1900 Level Power Toler Level Power Toler 0 26 25dBm 3dB 8 14 dBm 3dB 1 26 25dBm 3dB 9 12 dBm 4dB 2 26 25dBm 3dB 10 10 dBm 4dB 3 24 dBm 3dB 11 8 dBm 4dB 4 22 dBm 3dB 12 6 dBm 4dB 5 20 dBm 3dB 13 4 dBm 4dB 6 18 dBm 3dB 14 2 dBm 5dB ...

Page 17: ...t RF Spectrum DCS1800 PCS1900 due to modulation Offset from carrier kHz Max dBc 100 0 5 200 30 250 33 400 54 600 1 200 60 1 200 1 800 60 1 800 3 000 63 3 000 6 000 65 6 000 71 7 Output RF Spectrum GSM900 EGSM due to switching transient Offset from carrier kHz Max dBm 400 23 600 26 1 200 27 1 800 30 DCS1800 PCS1900 Offset from carrier kHz Max dBm 400 23 600 26 1 200 27 1 800 30 ...

Page 18: ...pyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 TECHNICAL BRIEF 19 3 1 Baseband Processor BBP Introduction 3 TECHNICAL BRIEF Figure 1 Top level block diagram of the S GOLD3TM PMB8877 ...

Page 19: ...up to class 12 without additional external hardware 3 1 2 Block Description Processing core ARM926EJ S 32 bit processor core for controller functions The ARM926EJ S includes an MMU and the Jazelle Java extension for Java acceleration TEAKLite DSP core ARM Memory 32k Byte Boot ROM on the AHB 96k Byte SRAM on the AHB flexibly usable as program or data RAM 16k Byte Cache for Program internal 8k Byte ...

Page 20: ...modulation with linearized GMSK Pulse Filter Hardware accelerators for equalizer and channel decoding Incremental Redundancy memory for EDGE class 12 support A5 1 A5 2 A5 3 Cipher unit GEA1 GEA2 GEA3 Cipher Unit to support GPRS data transmission Advanced static and dynamic power management features including TDMA Frame synchronous low power mode and enhanced CPU modes idle and sleep modes Pulse Nu...

Page 21: ...lectronics Inc All right reserved Only for training and service purposes Device Name Maker Remark FLASH K5E1G12ACA D075 Samsung Synchronous A synchronous DDR K5E1G12ACA D075 Samsung Synchronous 133MHz LCD IM200DST2A LGIT 8bit access 2 times transmission Melody IC Not Used S W Infineon Software CODEC Resource Interconnection Description T_OUT0 TXON_PA PAM Power on T_OUT1 Other function T_OUT2 PA_BA...

Page 22: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Resource Name Remark USIF1 USIF1_TXD TXD Transmit Data USIF1_RXD RXD Receive Data USIF1_CTS USB_DP USIF1_RTS USB_DM USIF2 USIF2_TXD NC NC USIF2_RXD NC NC USIF2_CTS BT_CTS USIF2_RTS BT_RTS USIF3 USIF3_TXD BT_TX BT Transmit tx USIF3_RXD BT_RX BT Receive rx ADC channel Resource Interconnecti...

Page 23: ...rposes Port Function Net Name Description KEY MATRIX KP_IN0 KP_IN 0 KP_IN1 KP_IN 1 KP_IN2 KP_IN 2 KP_IN3 KP_IN 3 KP_IN4 KP_IN 4 KP_IN5 KP_IN 5 KP_OUT5 KP_OUT 5 KP_OUT0 KP_OUT 0 KP_OUT1 KP_OUT 1 KP_OUT2 KP_OUT 2 KP_OUT3 KP_OUT 3 USIF1 USIF1_RXD RXD UART RS232 Data USIF1_TXD TXD UART RS232 Data USIF1_RTS_N USB_DP USB Data USIF1_CTS_N USB_DM USB Data USIF2 USIF2 _RXD Not used USIF2 _TXD Not used USIF...

Page 24: ...a DATA 3 CIF_D4 CIF_D 4 Camera DATA 4 CIF_D5 CIF_D 5 Camera DATA 5 CIF_D6 CIF_D 6 Camera DATA 6 CIF_D7 CIF_D 7 Camera DATA 7 CIF_PCLK CIF_PCLK Camera pixel clock CIF_HSYNC CIF_HS Camera H sync CIF_VSYNC CIF_VS Camera V sync CLKOUT CIF_MCLK Camera main clock CIF_PD CIF_PD Camera power down active high CIF_RESET CIF_RESET Camera reset LCD I F DIF_D0 DIF_D 0 LCD data 0 DIF_D1 DIF_D 1 LCD data 1 DIF_D...

Page 25: ... SIM CARD CLOCK CC_RST SIM_RST SIM CARD RESET I2S2 I2S2_CLK0 Not used GPIO_102 _WP Not used I2S2_RX Not used I2S2_TX Not used I2S2_WA0 Not used GPIO_103 Not used External Memory MMCI_CMD TF_CMD T flash MMCI_DAT 0 TF_DAT0 T flash MMCI_CLK TF_CLK T flash GPIO_109 USB_EOC USB End of charging detect High EOC Low charging IrDA GPIO_110 RPWRON Remote power on detect High Remote Low Normal GPIO_109 SPK_R...

Page 26: ... VMICN VMICN Power for MIC ADC M0 BAT_ID Battery temperature measure M1 RF_TEMP RF block temperature measure M2 REMOTE_ADC Remote Control M3 JACK_TYPE Accessory type detect M7 H W VERSION S Gold2 H W version detect M8 VSUPPLY Battery supply voltage measure M9 I_MONITOR Current consumption measure M10 N C Reference VREF IREF JTAG I F TDO TDO JTAG TDI TDI JTAG TMS TMS JTAG TCK TCK JTAG TRST_n _TRST ...

Page 27: ...PIPESTAT1 ETM PIPESTAT 0 PIPESTAT0 ETM TRACEPKT 0 TRACEPKT 0 ETM TRACEPKT 1 TRACEPKT 1 ETM TRACEPKT 2 TRACEPKT 2 ETM TRACEPKT 3 TRACEPKT 3 ETM TRACEPKT 4 TRACEPKT 4 ETM TRACEPKT 5 TRACEPKT 5 ETM TRACEPKT 6 TRACEPKT 6 ETM TRACEPKT 7 TRACEPKT 7 ETM Memory MEM_AD 0 D 0 MEM _AD 1 D 1 MEM _AD 2 D 2 MEM _AD 3 D 3 MEM _AD 4 D 4 MEM _AD 5 D 5 MEM _AD 6 D 6 MEM _AD 7 D 7 MEM _AD 8 D 8 MEM _AD 9 D 9 MEM _AD...

Page 28: ...A 5 MEM _A 6 A 6 MEM _A 7 A 7 MEM _A 8 A 8 MEM _A 9 A 9 MEM _A 10 A 10 MEM _A 11 A 11 MEM _A 12 A 12 MEM _A 13 A 13 MEM _A 14 A 14 MEM _A 15 A 15 MEM _A 16 A 16 MEM _A 17 A 17 MEM _A 18 A 18 MEM _A 19 A 19 MEM _A 20 A 20 MEM _A 21 A 21 MEM _A 22 A 22 MEM _A 23 A 23 MEM _A 24 A 24 MEM _CS0_n _FLASH1_CS INTEL NOR 64MB MEM _CS1_n _RAM_CS INTEL SDRAM 64MB MEM _CS2_n _FLASH2_CS Not used MEM _CS3_n _CS3...

Page 29: ...RBn FCDP TDMA I F T_OUT0 TXON_PA PAM GPIO_44 VIB_EN T_OUT2 PA_BAND PAM T_OUT3 ANT_SW1 T_OUT4 ANT_SW2 T_OUT5 ANT_SW3 T_OUT6 MODE PAM KP_OUT4 KP_OUT 4 EINT7 JACK_DETECT CC1CC3IO LCD_BACKLIGHT LCD Backlight control GPIO_53 LCD_ID LCD ID check GPIO_54 _FM_RESET RF I F RF_STR0 RF_EN CC1CC5IO SLIDE_DETECT Folder on off detection RF_DATA RF_DA RF_CLK RF_CLK System Port AFC AFC CLKOUT0 26MHz Not used F26M...

Page 30: ... LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes VCXO_EN VCXO_EN DSP GPIO_61 _BT_RESET GPIO_62 SLED_BACKLIGHT Navi key LED Backlight Control GPIO_63 _SIM_EN ...

Page 31: ...h and mobile RAM memory devices Voltage independent switching of two SIM cards LDO regulators for baseband I O supply LDO regulator for analog mixed signal section of S GOLD Low noise LDO regulators for RF devices Supply for Bluemoon Single Infineon s single chip solution for Bluetooth Audio amplifier 8 Ohms for handsfree operation and ringing Charge Control for charging Li Ion Polymer batteries u...

Page 32: ...e in hands free phones and for ringing 450 mW maximum output power adjustable gain mute switch SM POWER also integrates a charging function for Li Ion Li Polymer batteries click and pop protection SM POWER also integrates a charging function for Li Ion Li Polymer batteries Precharge current source with two current levels Constant current constant voltage charging with 3 different termination volta...

Page 33: ...ut Table of SM Power 34 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LDO Net name Output Voltage Output Current Usage SD1 1V35_Core 1 35V 600mA Core for LDO SD2 1V8_SD 1 8V 300mA Memory VAUX 2V9_VAF 2 9V 100mA Cam Auto Focus VIO 2V62_VIO 2 62V 100mA Peripherals VSIM 2V9_SIM 2 9V 70mA SIM card VMME 2V8_VMME 2 9V ...

Page 34: ...X_M VRF1 F10 D11 VRF2 VRF3 E10 H10 VRTC L11 TXONPA VAFC H11 VAUDIOA F2 G1 VAUDIOB VAUX H2 F1 VDDAUDIOA VDDAUDIOB G2 H1 VDDAUX C10 VDDMME VDDPLLIO B9 E11 VDDRF13_AFC VDDRF2 D10 K11 VDDSD1 K1 VDDSD2 VDDSIMVIB G11 H9 VDDUMTS VDD_CHARGE RESOURCE_CRTL RREF B8 SD1_FB J10 L10 SD1_FBL SD2_FB K2 L2 SD2_FBL SE0_VM B2 L9 SENSE_IN1 SENSE_IN2 K10 SLEEP1_N E2 E1 SLEEP2_N SU1_FB H3 SU1_GATE J1 J2 SU1_GND J3 SU1_...

Page 35: ... V 6 Cutoff current 110 mA 7 Full charge indication current icon stop current 110 mA 8 Recharge voltage 4 16 V 9 Low battery alarm a Idle 3 43 V 3 3 V b Dedicated 3 53 V 3 3 V 10 Low battery alarm interval a Idle 3 min b Dedicated 1 min 11 Switch off voltage 3 3 V 12 Charging temperature adc range a 5 C low charging voltage operation 3 6 V 3 9 V b 5 50 C standard charging up to 4 2 V c 50 C low ch...

Page 36: ...gical level at pin ON or its change if Bit 1 EION in INTCTRL2 is asserted is recorded in bit LON of the ISF register If the high level of voltage at pin ON does not reach VIHdet Vbat 0 8 Vbat 0 3 the above mentioned bit won t be set To support Remote power on function for factory mass production applied an analog switch as following figure As monitoring the RPWRON and Key matrix KP_OUT 2 KP_IN 0 K...

Page 37: ...ld3 is connected to the module using a dedicated eight pin connector LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 8 SIM Micro SD Circuit Micro SD Memory Card Detection Scheme 1u C312 47 R334 2V9_SIM C313 DNI C314 0 1u R331 100K 100K R330 100K R332 R329 100K 4 7K R328 C324 1000p C315 100K 27p R333 2V9_VMME 10p C316 S6 S7 11...

Page 38: ...served Only for training and service purposes Micro SD memory pad assign SD mode Pin No Name Type Description 1 DAT2 I O Data bit 2 2 CD DAT3 I O Data bit 3 3 CMD I O Command response 4 VDD Power Power supply 5 CLK I Clock 6 VSS Ground Power ground 7 DAT0 I O Data bit 0 8 DAT1 I O Data bit 1 ...

Page 39: ...13 M4 DQ14 DQ15 N3 C3 DQ2 DQ3 D4 DQ4 D3 DQ5 E4 E3 DQ6 DQ7 F4 DQ8 J4 K3 DQ9 J5 IO0 L5 IO1 K6 IO10 M6 IO11 K7 IO12 IO13 DNU1 DNU10 P9 P10 DNU11 DNU2 A9 A10 DNU3 B1 DNU4 DNU5 B10 DNU6 N1 N10 DNU7 DNU8 P1 P2 DNU9 DQ0 B3 DQ1 C4 DQ10 K4 L3 DQ11 DQ12 L4 M3 A11 G7 A12 C9 A2 B8 A3 M9 A4 A5 L9 K9 A6 J9 A7 H7 A8 A9 H8 D5 ALE D7 BA0 BA1 D8 G8 CKE C5 CLE CLK H4 A2 U101 K5E1H12ACM D075 C7 A0 A1 C8 D9 A10 H9 1V8...

Page 40: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes 3 6 LCD Display LCD module include Main LCD 2 0 240x320 QVGA 262K color TFT Backlight 5 piece of white LED LCD FPC Interface Spec Table 7 LCD FPC Interface Spec ...

Page 41: ...Only for training and service purposes Figure 10 Key pad part key matrix SEL SEND 0 DOWN SIDE KEY_VOL VOL_UP KEYPAD 1 2 3 LEFT 4 7 8 VOL_DOWN UP 6 FAV RIGHT CONF MENU CAMERA 9 CLR 5 FAV SW102 SW105 SW100 SW106 RIGHT SEL SW101 SW104 UP CAMERA SW103 SW109 LEFT DOWN SEND SHARP MENU SW108 CONF SW107 VOL_UP VOL_DOWN CLR KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL5 KEY_ROW0 KEY_ROW5 KEY_ROW1 KEY_ROW2 KEY_ROW3 KE...

Page 42: ...now white color LEDs on Key FPCB for keypad illumination Keypad Back light is controlled by SM Power Flash LED port which has constant current control function The whole configuration of the SM POWER Flash LED drivers is shown in below Figure11 Figure 11 Keypad Back light LEDs ICVN0505X150FR VA100 ICVN0505X150FR VA101 LEWWS44 E LD101 R101 47 47 R100 LD100 LEWWS44 E VBAT KEY_BACKLIGHT ...

Page 43: ... selected by comparing the forward voltage of each LED with the input voltage LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 12 LCD Back light unit and Flash LED charge pump IC CHARGE PUMP 2 2u C118 1u C117 1V8_CAM A2 VBAT C4 C3 VSS B2 VSS_CP CURR31 CURR32 E3 CURR33 D3 CURR41 C1 E1 CURR42 D1 CURR43 E4 CURR6 DATA A6 DCDC_FB D...

Page 44: ...imum Clock Frequency is 400 kHZ Write Formats Write Formats Single Byte Write Page Write Read Formats Current Address Read Random Read Sequential Read DATA Input Delay and CLK Spike Filtering by Integrated RC address 45 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 13 I2C Serial data port control method ...

Page 45: ...and VREF 3 11 JTAG ETM interface connector In case of KF350 mass production the JTAG ETM interface connector will not be mount on board That is only for developing and software debugging purpose It will not be mounted on mass production PCB 46 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 14 Average Iout v...

Page 46: ...t modes The digital volume control output modes mono SE OCL are programmed through a two wire I2C interface that allows flexibility in routing and mixing audio channels Figure 16 Audio signal flow diagram Figure 17 Audio amplifier PMIC BT FM MAX 9877 MIC BBP PMB8877 SPK RCV FM EarM I C 18pin IO R210 20K C219 1u C215 1u 27p C226 2 2u C212 C222 1u 2 2u C214 C217 1u C221 1u 27p C227 C220 1u VBAT VBAT...

Page 47: ...ance adapters can be used safely LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes G3 4 6 G4 OUT 1 5 PWR MIC100 SPM0204LE5 QB 2 G1 G2 3 MAIN_MIC_P VMIC_P MAIN_MIC_N MAIN_MIC_N 1 1 1 2V62_VIO R219 100K R222 100K VCHG 6 IMIN IUSB 7 IVDC 9 13 PGND 10 USB_BYP VDC 1 VDC_BYP 12 2 VUSB _CHG 4 _EN 5 3 _PPR ISL9221 U204 BAT 11 8 GND R224 16K 2...

Page 48: ...and interference in the FM channel Bluetooth General Features Small outline by LTCC substrate built in RF function and Resin mold Integrated top BPF for Bluetooth and FM radio Integrated RDS RBDS demodulator and decoder Bluetooth 2 1 EDR conformity Secure Simple Pairing SSP Encryption Pause Resume EPR Enhance Inquiry Response EIR Link Supervision Time Out LSTO Sniff Sub Rating SSR Erroneous Data E...

Page 49: ...r training and service purposes BLUETOOTH_FM_MODULE TAIYO YUDEN TP407 2V62_VIO TP406 2V65_VBT TP405 TP404 TP403 VIO 13 35 VREGBT 34 VREG_CTL XTALN 18 XTALP 19 C447 1000p 39 PGND1 PGND2 40 41 PGND3 PGND4 42 33 RESET 30 SLEEP_CLK TM0 14 UART_CTS 11 UART_RTS 8 9 UART_RX 10 UART_TX VAFL 16 15 VAFR 36 VBATT 37 VDDR3V VDDTF 28 FM_ANT 32 GND1 1 5 GND2 7 GND3 12 GND4 GND5 20 GND6 31 21 GPIO0 17 GPIO1 25 G...

Page 50: ...data and full piconet operation including all medium rate packet types Logic for forward error correction header error control access code correlation CRC demodulation encryption bit stream generation whitening and transmit pulse shaping Supports all Bluetooth v 2 0 EDR features incl ESCO and AFH Transcoders for A law u law and linear voice from host and A law u law and CVSD voice over air Physica...

Page 51: ...nd 2 HS_MIC Headset microphone signal 3 JACK_TYPE Accessory type detect 4 HS_OUT_L Headset left sound 5 HS_OUT_R Headset Right sound 6 USB_DP REMOTE_INT USB Remote control interrupt 7 USB_DM REMOTE_ADC USB Remote control Key ADC 8 JACK_DETECT Headset detect active low 9 VBAT Battery voltage 10 VBAT Battery voltage 11 RPWRON Remote power on active high 2 8V 12 VCHG Charger voltage 13 VCHG Charger v...

Page 52: ...TO KEY CONNECTOR DNI R309 27p C302 2V62_VIO 10p C304 R310 DNI 2 2K 27p C311 R308 L301 100nH 10K R305 FB305 1800 R301 1M FB301 1800 R322 47 47 R302 1800 FB303 2V62_VIO R307 VUSB R327 47 DNI R314 36 VCHG 100nH L302 C305 22n 2V5_VAUDB 220K R303 FB304 1800 C306 27p FB307 1800 1800 FB306 47 R325 27p C310 ICVFP10181E301FR FL301 GND1 GND2 IN OUT 22n C303 2V62_VIO 1800 FB302 36 37 38 39 4 40 41 42 43 44 5...

Page 53: ...CHNICAL BRIEF RF circuit Technical Brief RF Block Diagram LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 23 KF350 RF part Block Diagram ...

Page 54: ...nd polar transmitter for GSM and EDGE with integrated PGA functionality Further on a completely integrated SD synthesizer with HSCSD and GPRS EDGE capability a digitally controlled reference oscillator with three outputs a fully integrated quad band RF oscillator and a three wire bus interface with all necessary control circuits complete the transceiver LGE Internal Use Only Copyright 2008 LG Elec...

Page 55: ... VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS1 14 FSYS2 10 9 FSYS3 GND1 13 26 GND2 GND3 40 41 GND4 RX1 29 30 RX1X PMB6272 U401 1 A AX 2 0 1u C436 2V85_VRF C435 0 1u C426 2 2p 2 2p 220n C425 C440 5 6nH L403 2 2p C423 2V85_VRF 1V5_VRF 4 7n C432 1V5_VRF R410 820 0 1u C433 C439 1000p 47n C437 C444 0 1u 0 1u ...

Page 56: ...s The baseband chain contains a LNB low noise buffer channel filter output buffer and DC offset compensation The 3rd order low pass filter is fully integrated and provides sufficient suppression of blocking signals as well as adjacent channel interferers and avoids anti aliasing through the baseband ADC The receive path is fully differential to suppress on chip interferences Several gain steps are...

Page 57: ...PCS1900 The digital transmitter architecture is based on a polar modulation architecture where the analog modulation data rectangular I Q coordinates is converted to digital data stream and is subsequently transformed to polar coordinates by means of a CORDIC algorithm The resulting amplitude information is fed into a digital multiplier for power ramping and level control The ready processed ampli...

Page 58: ...100 kHz to allow the transfer of the phase modulation The loop bandwidth is automatically adjusted prior to each slot OLGA To overcome the statistical spread of the loop filter element values an automatic loop filter adjustment ALFA is performed before each synthesizer startup The fully integrated quad band VCO is designed for the four GSM bands 850 900 1800 1900 MHz and operates at double or four...

Page 59: ...N ON VC1 ON OFF ON OFF VC2 ON ON OFF OFF VC1 FE1 GSM 1800 1900_ TX L L L H H VC2 FE2 GSM850 900_RX GSM 1800 1900_ RX H H LMSP43QA 538 CMOS L GSM850 900_TX C410 0 5p 100nH L406 C407 DNI 6 8nH L404 C411 0 5p ANT G1 G2 G3 ANT400 WFL R SMT10 2V85_VRF C400 1000p C406 100p 100ohm R403 100ohm R402 RF 800 SW400 ANT G1 G2 RF 15 GSM1800_RX1 5 6 GSM1800_RX2 GSM1900_RX1 7 8 GSM1900_RX2 17 GSM850_900_TX GSM850...

Page 60: ...rates two highly integrated InGaP power amplifier die with a CMOS controller The CMOS controller implements a fully integrated closed loop power control within the module for GSM Operation This eliminates the need for any external couplers power detectors current sensing etc to assure the output power level The latter is set directly from the Vramp input from the DAC The module has Tx enable band ...

Page 61: ...ulation logic 0 or EDGE modulation logic 1 VRAMP controls the output power for GMSK modulation and provides bias optimization for EDGE modulation depending on the state of MODE control LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 62: ...5p L405 3nH C418 100p 6 8nH L404 C403 33 uF 100p C417 C412 100p C419 0 01u GSM850_900_IN 10 GSM850_900_OUT 2 MODE_SELECT 15 PGND TX_EN 6 4 VBATT VRAMP 5 3 BS 13 BY_CAP1 BY_CAP2 9 DCS_PCS_IN 1 DCS_PCS_OUT 12 GND1 14 GND2 11 GND3 8 7 C404 TQM7M5005 U400 1u 47p C416 27p C405 C421 C422 1 5p DNI C411 0 5p 10K R405 PA_BAND PA_LEVEL TXON_PA HBAND_PAM_IN LBAND_PAM_IN PA_MODE Figure 30 PAM schematic ...

Page 63: ... TROUBLE SHOOTING 64 4 TROUBLE SHOOTING 4 1 Trouble shooting test setup Equipment setup 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 ...

Page 64: ...Points Battery Voltage Need to over 3 35V Power On Key detection PWRON signal Outputs of LDOs from PMIC 2 2u C249 2SC5663 Q203 100K R213 Q201 2SC5663 R216 3 3M 3 3M R214 2V11_RTC RPWRON_EN PWRON END_KEY_IN EXTERNAL RESET 2V62_VIO 7 A1 3 A2 6 B1 2 B2 4 GND 8 VCC 1 Y1 5 Y2 NC7WZ08L8X U203 0 1u C255 100K R221 2V11_RTC EXTRSTn SPOWER_INT PM_INT PMRSTn _RESET TP1 TP2 ...

Page 65: ...DDRF2 D10 K11 VDDSD1 K1 VDDSD2 VDDSIMVIB G11 H9 VDDUMTS VDD_CHARGE RESOURCE_CRTL RREF B8 SD1_FB J10 L10 SD1_FBL SD2_FB K2 L2 SD2_FBL SE0_VM B2 L9 SENSE_IN1 SENSE_IN2 K10 SLEEP1_N E2 E1 SLEEP2_N SU1_FB H3 SU1_GATE J1 J2 SU1_GND J3 SU1_ISENSE SUSPEND A3 B10 MONO_INN B6 MONO_INP A6 MONO_OUTN A7 MONO_OUTP C4 OE_N ON_OFF1 K4 L4 ON_OFF2 ON_OFF_OUT L5 J4 OUTPORT POWER_ON K3 PUMS1 A1 B4 PUMS2 PUMS3 B11 B1...

Page 66: ... pin of U203 Check the all LDO s output Is it correct Is the 26MHz clock From U401 signal correct Replace main PCB Check the RPWRON replace Q201 Check solder U203 or replace it Check solder U202 or replace it Check solder X400 U401 or replace it Check 3 pin of X400 Or Check 14 pin of U401 Yes Yes Yes Yes Yes No No No No Connect power supply to the DUT Vbat over 3 35V Q201 TP1 TP2 X400 U203 U202 3p...

Page 67: ...ect voltage 4 0 V 3 Charging time 2h 40m 4 Charging current 380 mA 5 CV voltage 4 2 V 6 Cutoff current 110 mA 7 Full charge indication current icon stop current 110 mA 8 Recharge voltage 4 16 V 1 1 1 2V62_VIO R219 100K R222 100K VCHG 6 IMIN IUSB 7 IVDC 9 13 PGND 10 USB_BYP VDC 1 VDC_BYP 12 2 VUSB _CHG 4 _EN 5 3 _PPR ISL9221 U204 BAT 11 8 GND R224 16K 2V62_VIO R225 18K 10K R223 1u C256 VUSB_USB VBA...

Page 68: ... U204 4 8V Output pin of U204 4 2V Resolder the CN100 Battery voltage is over 3 4V Charge is operating The TA can be broken Change other TA then retest Check solder U204 or replace it Waiting until battery Voltage goes up to 3 4V Yes Yes Yes Yes Yes No No No No Battery thermistor value is about 10K Change the Battery retest No 18pin IO CN100 U204 TP1 Source pin U204 TP2 Output pin ...

Page 69: ...UT_B2 8 7 INOUT_B3 INOUT_B4 6 FL304 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 6 7 8 9 5 29 3 30 4 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 CN30 GB042 60S 1 10 11 12 13 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 INOUT_A3 3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E150R101FR FL306 C318 1u ICVN0505X150FR VA309 AUDIO_IN _DIF_RESET LCD_ID DIF_VSYNC VIB_EN _LED_RESET LED_CNT DIF_D3 DIF_...

Page 70: ...r training and service purposes 4 TROUBLE SHOOTING 71 START Is LCD FPCB normal Signal is normal on DIF Signal FL302 FL304 FL306 Assemble Replace LCD FPCB Check solder and repair Damaged filter Yes Yes No No Check LCD connector combination then LCD test with New LCD FL302 FL304 FL306 ...

Page 71: ...mbination FPCB status SUB TO CAMERA CONNECTOR 0 1u C108 0 1u C106 0 1u C107 1V8_CAM 2V85_CAM TP101 TP100 100nH L102 2V8_CAM_A 6 7 8 9 12 13 14 15 16 17 18 19 2 20 21 22 23 24 3 4 5 CN102 GB042 24S H10 E3000 1 10 11 L101 100nH CIF_MCLK CIF_PCLK CIF_D1 CIF_D0 CIF_RESET CIF_PD CIF_HSYNC CIF_VSYNC CIF_SDA CIF_SCL CIF_D7 CIF_D6 CIF_D5 CIF_D4 CIF_D3 CIF_D2 Check the connector combination ...

Page 72: ...nc All right reserved Only for training and service purposes START Replace New Camera module Working properly Assemble Yes Yes No Check camera connector 34pin main PCB connector combination then Camera test with equipped camera module Replace Camera module Yes Replace Main PCB ...

Page 73: ...K_RCV_N SDA SCL EAR_P EAR_N HSO_L HSO_R BB_SND_L FM_SND_R FM_SND_L 1 2 INOUT_A2 3 INOUT_A3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL307 ICVE10184E070R101FR G1 5 G2 10 INOUT_A1 ICVE10184E070R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 FL305 C325 27p 47p C323 1u C321 INOUT_A3 3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 ...

Page 74: ...e Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 75 SPEAKER 1 2 CN101 C102 DNI DNI C103 SPK_RCV_N SPK_RCV_P U201 C218 C217 C226 C227 Speaker contact ...

Page 75: ...76 START Input Signal is High C217 C218 Output Signal is High C226 C227 Replace Main Board Replace Audio AMP U201 Check Speaker s Contacts are clear Yes Resolder Replace Speaker No No Yes No Yes Pin33 32 of sub board Connector CN103 is High No Yes No Replace FPCB_LCD C103 C102 of FPCB_Folder are High Assemble Yes Replace FPCB_Folder ...

Page 76: ... Check Points Microphone hole Mic Bias signal line 2 2u C330 VBAT C327 0 1u 0 1u C328 ICVL0505101V150FR VA302 VUSB_USB 38 39 4 40 41 42 43 44 5 6 7 3 1 2 CN301 C329 27p ICVL0505101V150FR VA301 L305 100nH MAIN_MIC_P MAIN_MIC_N VMIC_P VMIC_N G3 4 6 G4 OUT 1 5 PWR MIC100 SPM0204LE5 QB 2 G1 G2 3 MAIN_MIC_P VMIC_P MAIN_MIC_N MAIN_MIC_N CN301 C329 C328 C327 MIC100 ...

Page 77: ... for training and service purposes 4 TROUBLE SHOOTING 78 START Mic bias ON 2 5V when call C329 44pin connector CN301 is good Assemble Check mic Bias line Repair the 44pin conn CN301 Yes No No Check microphone sound hole Check Signal C327 C328 2 5V Replace microphone MIC100 Yes No ...

Page 78: ...e purposes 4 TROUBLE SHOOTING 79 4 8 Vibrator trouble Check Points Vibrator soldering IC is working correct VIBRATOR VOUT U100 SUY98005LT1G 2 GND VIN 1 3 C114 0 1u R108 10 R109 100K R107 1K VIB VIB_EN C100 VB101 1 2 1u VBAT VIB Check the driver IC U100 of sub boarad Check the vibrator soldering PIN1 PIN3 ...

Page 79: ...c All right reserved Only for training and service purposes START C100 of FPCB_Folder is high Pin1 of U100 VIB_EN is high Check FPCB_Folder or replace it Check FPCB_LCD or replace it Yes No No Check Vibrator sodering Yes Pin3 of U100 VIB is high Yes No Replace Vibrator Assemble ...

Page 80: ... LEWWS44 E VBAT KEY_BACKLIGHT KEY TO MAIN CONNECTOR 9 34 35 36 37 38 39 4 40 41 42 43 44 5 6 7 8 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 33 CN101 GB042 44S H10 E3000 1 10 11 12 13 14 15 16 17 18 19 VCHG VBAT 2V62_VIO VUSB_USB USB_DM KEY_ROW2 KEY_ROW1 KEY_ROW0 KEY_COL5 MAIN_MIC_P JACK_DETECT RPWRON_EN DSR UART_TX UART_RX FLIP KEY_BACKLIGHT FM_ANT HOOK_DETECT JACK_TYPE HSO_L HSO_R USB_DP END_KEY ...

Page 81: ...All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 82 START Check TP1 is 2 62V 44pin connector CN303 is good Assemble Check U202 of main board Replace 44pin conn CN101 Yes No No Check All of LEDs solder Replace KEY FPCB Yes CN101 TP ...

Page 82: ... Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 83 4 10 SIM uSD trouble SIM Check Points Power is working Socket soldering Proper SIM is used ...

Page 83: ... 14 12 S3 S4 1 15 S5 13 S301 2V62_VIO DNI R335 100K C322 MMC_D 2 MMC_D 0 MMC_D 1 SIM_RST SIM_CLK SIM_IO MMC_DETECT MMC_D 3 MMC_CMD MMC_CLK LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 84 START 6 pins are soldered well Check Proper SIM Card Assemble Resolder pin Replace Main Board Yes Yes No Check All of SIM car...

Page 84: ...G 85 uSD Check Points Power is working Socket soldering Card detect is working MMC DETECT PIN Card insert Card Deject MMC_DETECT SIGNAL TP1 TP2 TP4 TP3 START TF socket pins are well soldered Check proper uSD Assemble Resolder it check data line TP 1 4 is 2 9V Signal Replace Main Board Yes Yes No Check Micro SD card voltage 2V8_VMME ...

Page 85: ...U101 Yes No No Pin1 of photo senser U100 is high 2 9v Yes No Check Fpcb_folder and replace Yes U100 Photo senser Replace FPCB_Folder and Assemble CHARGE PUMP 2 2u C118 1u C117 1V8_CAM A2 VBAT C4 C3 VSS B2 VSS_CP CURR31 CURR32 E3 CURR33 D3 CURR41 C1 E1 CURR42 D1 CURR43 E4 CURR6 DATA A6 DCDC_FB D6 DCDC_GATE B5 DCDC_SNS C6 A1 GPIO D2 RGB1 RGB2 E2 C2 RGB3 E6 V2_5 VANA_GPI U101 AS3675 B1 AUDIO_IN C1_N ...

Page 86: ...D3 CURR41 C1 E1 CURR42 D1 CURR43 E4 CURR6 DATA A6 DCDC_FB D6 DCDC_GATE B5 DCDC_SNS C6 A1 GPIO D2 RGB1 RGB2 E2 C2 RGB3 E6 V2_5 VANA_GPI U101 AS3675 B1 AUDIO_IN C1_N B3 C1_P A4 A3 C2_N B4 C2_P CLK B6 A5 CP_OUT E5 CURR1 D5 CURR2 C5 CURR30 D4 1u C112 1u C111 1u C115 VBAT 1u C113 2 2u C116 AUDIO_IN LED2 LED3 LED4 LED5 LED6 PHOTO_ADC_IN SCL MLED MLED5 MLED1 MLED2 MLED3 MLED4 SDA LED1 START Check TP1 is ...

Page 87: ...pyright 2008 LG Electronics Inc All right reserved Only for training and service purposes START Check point DCXO Check point PLL Control Setup Test Equipment Cell Power 74 dBm EGSM CH30 DCS CH699 Re Download S W CAL Check point RX I Q Signal Check point Mobile SW FEM Checking Points Figure 1 Main PCB ...

Page 88: ... Points Checking Flow DCXO Circuit Diagram Waveform Figure 3 DCXO Cicuit Figure 4 DCXO Waveform Replace X400 No Yes DCXO Circuit is OK See next page to check PLL Circuit TP1 C439 26MHz Is the waveform of TP1 C439 similar to Fig 6 X400 X400 26MHz GND1 2 4 GND2 HOT1 1 3 HOT2 NX3225SA 15 VDDXO2V8 11 XO XOX 12 16 FSYS1 14 FSYS2 GND1 13 C439 1000p 26MHZ_MCLK TP1 C439 Figur2 DCXO ...

Page 89: ... CLK Clock TP3 is Normal RF_EN TP1 RF_CLK TP2 RF_DATA TP3 C434 0 1u X400 26MHz GND1 2 4 GND2 HOT1 1 3 HOT2 NX3225SA VDDRX2V8 20 35 VDDTX1V5 VDDTX2V8 38 VDDVCO2V8 17 15 VDDXO2V8 11 XO XOX 12 RX2 27 28 RX2X 24 RX3 RX3X 25 22 RX4 RX4X 23 TX1 36 TX2 37 VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS1 14 FSYS2 1...

Page 90: ...OS L GSM850 900_TX C410 0 5p 100nH L406 C407 DNI 6 8nH L404 C411 0 5p ANT G1 G2 G3 ANT400 WFL R SMT10 2V85_VRF C400 1000p C406 100p 100ohm R403 100ohm R402 RF 800 SW400 ANT G1 G2 RF 15 GSM1800_RX1 5 6 GSM1800_RX2 GSM1900_RX1 7 8 GSM1900_RX2 17 GSM850_900_TX GSM850_RX1 1 2 GSM850_RX2 GSM900_RX1 3 4 GSM900_RX2 23 NC1 24 NC2 19 VC1 VC2 20 21 VDD 11 ANT GND1 9 GND2 10 12 GND3 GND4 13 GND5 14 GND6 16 1...

Page 91: ...SHOOTING 92 Check TP1 of SW400 with RF Cable and TP2 of C406 TP1 Signal same as TP2 Replace Mobile SW SW400 Yes No Yes Mobile SW FEM is OK Check Antenna Replace U102 Control Signal is OK No Yes Check TP3 TP4 of FL400 Replace FEM U401 TP5 8 Signal is OK No Yes EGSM RX FE1 FE2 Figure 10 Mobile SW Figure 11 FEM Control Signals ...

Page 92: ... RX4 RX4X 23 TX1 36 TX2 37 VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS1 14 FSYS2 10 9 FSYS3 GND1 13 26 GND2 GND3 40 41 GND4 RX1 29 30 RX1X PMB6272 U401 1 A AX 2 C435 0 1u R410 820 0 1u C433 47n C437 I IX Q QX RF_CLK RF_DA BT_CLK Check RX I Q signals TP1 TP4 Signals are Normal Replace Transceiver PMB6272...

Page 93: ...NG 94 4 14 Trouble shooting of Transmitter part Check point DCXO Check point PLL Control Setup Test Equipment Cell Power 74dBm EGSM CH30 DCS CH699 Check point TX I Q Signal Re Download S W RF CAL Check point Transceiver Check point PAM Control Check FEM Mobile SW Checking Flow Checking Points Figure 15 Main PCB Figure 16 Main PCB ...

Page 94: ...art 1 Checking DCXO Circuit 4 14 2 Checking PLL Control Signal See RX Part 2 Checking PLL Control Signal LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 95 ...

Page 95: ...cking Points Figure 18 TX I Q Figure 19 TX I Q Waveform Checking Flow C434 0 1u X400 26MHz GND1 2 4 GND2 HOT1 1 3 HOT2 NX3225SA VDDRX2V8 20 35 VDDTX1V5 VDDTX2V8 38 VDDVCO2V8 17 15 VDDXO2V8 11 XO XOX 12 RX2 27 28 RX2X 24 RX3 RX3X 25 22 RX4 RX4X 23 TX1 36 TX2 37 VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS...

Page 96: ...10 R411 X400 26MHz GND1 2 4 GND2 HOT1 1 3 HOT2 2V85_VRF C443 NX3225SA 220n VDDRX2V8 20 35 VDDTX1V5 VDDTX2V8 38 VDDVCO2V8 17 15 VDDXO2V8 11 XO XOX 12 RX2 27 28 RX2X 24 RX3 RX3X 25 22 RX4 RX4X 23 TX1 36 TX2 37 VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS1 14 FSYS2 10 9 FSYS3 GND1 13 26 GND2 GND3 40 41 GND4...

Page 97: ...for training and service purposes Signals are Normal Replace PMB6272 U401 Yes N Transceiver is OK See next page to check PAM Control Circuit Check Output Signal TP1 TP2 Checking Flow Figure 22 Transceiver Output GMSK Figure 23 Transceiver Output 8PSK LBAND_PAM_IN MODE GMSK TP1 LBAND_PAM_IN MODE 8PSK TP1 ...

Page 98: ... PAM Mode Operation Figure 25 Transceiver Output MODE MODE PA_LEVEL TXON_PA GMSK LOW Ramp Burst Control HIGH 8PSK HIGH Control Amp bias HIGH C418 100p 100p C417 C412 100p 47p C416 10K R405 PA_BAND PA_LEVEL TXON_PA HBAND_PAM_IN PA_MODE TXON_PA PA_LEVEL MO DE MODE TP3 PA MODE TP2 TXON PA TP1 PA LEVEL Figure 24 PAM Control Signals Checking Points TP2 TXON PA TP1 PA LEVEL TP3 PA_MODE ...

Page 99: ...02 Yes No PAM Control Signal is OK See next page to check FEM Mobile SW Circuit Check Control Signals TP1 TP2 TP3 Figure 26 GSMK Control Signal Figure 27 8PSK Control Signal TP3 PA MODE C418 TP1 PA_LEVEL R405 TP2 TXON_PA C417 TP1 PA LEVEL TP2 TXON PA TP3 PA MODE TP1 PA LEVEL TP2 TXON PA TP3 PA MODE TP1 PA LEVEL TP2 TXON PA TP3 PA MODE TP3 PA MODE C418 TP1 PA_LEVEL R405 TP2 TXON_PA C417 ...

Page 100: ...I 6 8nH L404 C411 0 5p ANT G1 G2 G3 ANT400 WFL R SMT10 2V85_VRF C400 1000p C406 100p 100ohm R403 100ohm R402 RF 800 SW400 ANT G1 G2 RF 15 GSM1800_RX1 5 6 GSM1800_RX2 GSM1900_RX1 7 8 GSM1900_RX2 17 GSM850_900_TX GSM850_RX1 1 2 GSM850_RX2 GSM900_RX1 3 4 GSM900_RX2 23 NC1 24 NC2 19 VC1 VC2 20 21 VDD 11 ANT GND1 9 GND2 10 12 GND3 GND4 13 GND5 14 GND6 16 18 GND7 22 GND8 GSM1800_1900_TX LMSP43QA 538 FL4...

Page 101: ...TP1 of SW400 with RF Cable and TP2 of C406 TP1 Signal same as TP2 Replace Mobile SW SW400 Yes No Yes Mobile SW FEM is OK Check Antenna Replace BB CHIP U102 Control Signal is OK No Yes Check TP3 TP4 of FL401 Replace FEM FL400 TP5 Signal is OK No Yes EGSM TX TP1 ANT SW1 TP2 ANT SW2 Checking Flow Figure 30 Mobile SW Figure 31 FEM Control Signals ...

Page 113: ... I2C I F I2C2 CAM_ I2C PMB6821 PM IC BB IC PMB8877 1G NAND 512MDDR SDRAM Charging IC ISL9221 SD SIM Socket TRANSCEIVER PMB6272 BT Module EWFNLBAXX Vibrator LCD 2 2î 262K TFT QVGA KEY PAD KEY Back Light Charger Pump AS3675 Side View LED LED Matrix Module SD1 1 35V SD2 1 8V SU1 5 6 26V VAUX 2 9V VIO 2 62V VSIM 2 9V VMME 2 9V VUMTS 2 85V VUSB 3 1V VLED 2 9V VAUDIOa 2 5V VAUDIOb 2 5V VRF1 2 85V VRF2 1...

Page 114: ...9 CIF_D2 C8 CIF_D3 B8 CIF_D4 CIF_D5 B9 A8 CIF_D6 E8 CIF_D7 CIF_HSYNC E9 CIF_PCLK B7 CIF_PD A6 CIF_RESET U102 PMB8877 C18 AFC N16 AGND L16 AUXGND L17 AUXN1 AUXN2 L19 AUXP1 M19 L18 AUXP2 N15 BB_I BB_IX M15 BB_Q 1 2 1V8_SD 32 768KHz X101 1u 0 1u C131 C104 C6 _CK G4 E9 _CS E7 _RAS E5 _RE D6 _WE _WED F8 F5 _WP 1V8_SD H2 VDD4 M2 VDDQ1 D2 VDDQ2 F2 VDDQ3 K2 C2 VSS1 F9 VSS2 VSS3 G2 N4 VSS4 VSS5 B5 VSS6 N5 ...

Page 115: ...1 C6 E7 VSS10 VSS11 E8 E9 VSS12 VSS13 F3 F4 VSS14 VSS15 F5 F6 VSS16 VSS17 F7 F8 VSS18 VSS19 F9 D4 VSS2 G3 VSS20 VSS21 K9 VDD_MONO B7 J9 VDD_REF VDD_USB B5 VIO A11 VLED A8 D3 VMIN VMME C11 VPIN C2 A10 VPLL C8 VREF A5 VREFEX_M VRF1 F10 D11 VRF2 VRF3 E10 H10 VRTC L11 TXONPA VAFC H11 VAUDIOA F2 G1 VAUDIOB VAUX H2 F1 VDDAUDIOA VDDAUDIOB G2 H1 VDDAUX C10 VDDMME VDDPLLIO B9 E11 VDDRF13_AFC VDDRF2 D10 K11...

Page 116: ...UT_B4 6 2V62_VIO FL304 ICVE10184E150R101FR G1 5 G2 10 INOUT_A1 1800 FB302 36 37 38 39 4 40 41 42 43 44 5 6 7 8 9 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 1 10 11 12 13 14 15 16 17 18 19 2 20 21 58 59 6 60 7 8 9 CN301 GB042 44P H10 E3000 43 44 45 46 47 48 49 5 50 51 52 53 54 55 56 57 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 42 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 CN302 GB042 60S H10 ...

Page 117: ...2 HOT1 1 3 HOT2 2V85_VRF C443 NX3225SA 220n VDDRX2V8 20 35 VDDTX1V5 VDDTX2V8 38 VDDVCO2V8 17 15 VDDXO2V8 11 XO XOX 12 2V85_VRF RX2 27 28 RX2X 24 RX3 RX3X 25 22 RX4 RX4X 23 TX1 36 TX2 37 VBIAS 34 18 VCO_RC VDDBIAS2V8 31 VDDDIG1V5 8 5 VDDDIG2V8 VDDLNA1V5 21 39 VDDMIX2V8 19 VDDRX1V5 3 B BX 4 7 CLK DA 6 EN 16 32 FE1 33 FE2 FSYS1 14 FSYS2 10 9 FSYS3 GND1 13 26 GND2 GND3 40 41 GND4 RX1 29 30 RX1X PMB627...

Page 118: ... 14 15 16 17 18 19 2 20 21 22 23 24 3 4 5 CN102 GB042 24S H10 E3000 1 10 11 R109 100K R107 1K L101 100nH 2 2u C116 55 56 57 58 59 6 60 7 8 9 41 42 43 44 45 46 47 48 49 5 50 51 52 53 54 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 4 40 11 12 13 14 15 16 17 18 19 2 20 21 22 23 24 25 CN103 GB042 60S H10 E3000 1 10 0 1u 2V9_VFM C100 AUDIO_IN CIF_MCLK CIF_PCLK VBAT LED1 LED2 LED3 LED4 LED5 LED6 VIB PHOT...

Page 119: ...H 2V62_VIO U100 BU52031NVX GND 2 NC 3 OUT 1 PGND 5 0 1u C110 0 5p 0 1u C111 C113 3 4 5 6 7 8 9 CN100 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 CAMERA GU041 18P E1000 GND101 VUSB_USB LD100 LEWWS44 E VBAT SW103 G3 4 6 G4 OUT 1 5 PWR SW109 LEFT MIC100 SPM0204LE5 QB 2 G1 G2 3 UART_RX DOWN SEND SHARP MENU GND100 SW108 CONF G2 SW107 SW110 UFL R SMT10 ANT G1 VOL_UP DNI C113 2V62_VIO 24p VUSB_USB C109 10...

Page 120: ...103 2V9_VFM 2V11_RTC C101 DNI R101 12K 18 19 2 20 3 4 5 6 7 8 9 1 10 11 12 13 14 15 16 17 GB042 20P H10 E3000 CN100 4 7K 2V11_RTC BAT100 NBL414R F9J R100 VBAT LD101 LED5 LED6 SPK_RCV_N SPK_RCV_P PHOTO_ADC_IN VIB VIB PHOTO_ADC_IN SPK_RCV_N SPK_RCV_P LED2 LED1 LED3 LED4 LED5 LED6 MLED MLED LED1 LED2 LED3 LED4 7 CIRCUIT DIAGRAM LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserve...

Page 121: ... 54 55 56 57 29 3 30 31 32 33 34 35 36 37 38 39 4 40 41 14 15 16 17 18 19 2 20 21 22 23 24 25 26 27 28 GB042 60P H10 E3000 CN101 1 10 11 12 13 VBAT 2V8_CAM_A 2V85_CAM CIF_PCLK CIF_D0 CIF_D4 CIF_D5 CIF_D6 CIF_D7 CIF_D1 CIF_D2 CIF_D3 SPK_RCV_N SPK_RCV_P DIF_MAIN_CS DIF_CD DIF_VSYNC LCD_ID _DIF_RESET LED_CNT _LED_RESET VIB_EN SDA SCL CIF_PD CIF_RESET CIF_SDA CIF_SCL CIF_HSYNC CIF_VSYNC CIF_MCLK CIF_D...

Page 128: ...e purposes U201 Audio Sub System No Sound Speaker Headset U400 PAM GSM Tx Power No Service U401 PMB6272 GSM Rx Sensitivity Tx Power No Service U102 PMB8877 BB chip No Power On No Display No Service FL400 FEM GSM Rx Sensitivity Tx Power No Service M1 BT Module No BT Connection U101 Memory No Booting U101 Memory No Booting ...

Page 129: ...or No SIM Card SD Card detect CN301 KEY FPCB Connector No MIC No numeric key CN201 Battery Connector No Power On ANT401 BT Antenna No BT Connection SW400 Antenna switch No Network CN302 F LCD connector No sound spk No Dot matrix No camera No moter No display U204 Charging IC No Charging No Booting No Service U202 PMIC No Power On No Service No Charging ...

Page 130: ... 2007 LG Electronics Inc All right reserved Only for training and service purposes CN103 Sub To Main Connector No sound spk No Dot matrix No camera No moter No display SW400 Antenna switch No Network U101 Charge Pump No Dot matrix No camera No display ...

Page 131: ... 2008 LG Electronics Inc All right reserved Only for training and service purposes CN104 LCD Connector No display CN102 Camera Connector No Camera CN101 F Folder connector No sound spk No Flash LED No Vibrator CN100 Dot Matrix Connector No Dot Matrix ...

Page 133: ... Electronics Inc All right reserved Only for training and service purposes U100 Hall effect IC No Folder on off detection CN100 18pin connector No charging No sound Headset No USB CN101 KEY FPCB Connector No MIC No numeric key SW1100 Antenna switch No Network ...

Page 135: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN100 F Folder connector No sound spk No Flash LED No Vibrator BAT100 Backup Battery RTC reset CN101 Speaker PAD No sound U100 Photo Senser No Photo Senser ...

Page 138: ... 139 9 PCB LAYOUT Main PCB component placement Main PCB Top 9 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 140: ...tronics Inc All right reserved Only for training and service purposes Battery Connector Charging IC BT FM Module BT Antenna BBP Mobile Switch Memory PMIC SIM uSD Socket RF Block Power Inductor Folder Conn LCD Camera MAIN Charge pump Key PCB Conn Audio AMP Vibrator Driver IC Charging IC OVP ...

Page 141: ...ectronics Inc All right reserved Only for training and service purposes LED Control IC LED Matrix LCD Conn Vibrator Driver LED Module Conn Vibrator Speaker Backup Battery SideView LED SUB to LED Module Conn Camera Conn Sideview Conn Sub to Main Conn Charge Pump ...

Page 142: ...BRATION LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 1 Test Equipment Setup 10 2 Calibration Step 10 2 1 Turn on the Phone 10 2 2 Execute HK_27 exe 4 00 V 0 000 A ...

Page 143: ...RF CALIBRATION 10 2 3 Click SETTING Menu 10 2 4 Setup Ezlooks menu such as the following figure LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 144: ...2 5 Setup Line System menu such as the following figure 10 2 6 Setup Logic operation such as the following figure LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 145: ...ALIBRATION 10 2 7 Select MODEL 10 2 8 Click START for RF calibration 10 2 9 RF Calibration finishes LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 146: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 10 RF CALIBRATION 147 10 2 10 Calibration data will be saved to the following folder ...

Page 147: ...es either normal mode or ptest mode 3 RF Calibration steps as follow TX Channel compensation EGSM DCS PCS EDGE EGSM EDGE DCS EDGE PCS RX Channel compensation EGSM DCS PCS 4 Phone Operation Mode LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Normal Mode ptest Mode ...

Page 148: ...reserved Only for training and service purposes 11 STAND ALONE TEST 149 11 STAND ALONE TEST 11 1 Test Program Setting 1 Set COM Port 2 Check PC Baud rate 3 Confirm EEPROM Delta file prefix name 4 Click Update Info for communicating Phone and Test Program Not Connected ...

Page 149: ...ne to ptest mode and then Click the Reset bar 6 Select Non signaling in the Quick Bar menu Then Standalone Test setup is finished LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Connected Change Change ptest mood ood ...

Page 150: ... line 2 Put the number of TX Channel in the ARFCN 3 Select Tx in the RF mode menu and PCL in the PA Level menu 4 Finally Click Write All bar and try the efficiency test of Phone LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Change ptest mood ...

Page 151: ...Click Write All bar and try the efficiency test of Phone 4 The Phone must be changed normal mode after finishing Test 5 Change the Phone to normal mode and then Click the Reset bar LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Ch Change n norm rmal m al mode ...

Page 152: ...T LIST 12 1 EXPLODED VIEW LGE Internal Use Only Copyright 2007 LG Electronics Inc All right reserved Only for training and service purposes 2 1 3 7 8 9 12 13 14 15 16 17 18 19 20 21 22 23 24 35 34 33 36 11 10 6 4 5 27 26 25 28 29 30 31 32 ...

Page 153: ...54 A B C D E F G H I J K K J I H G F E D C B A 12 EXPLODED VIEW REPLACEMENT PART LIST ASSY LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 154: ...HINGE MBIB0007201 MOLD POM LUCEL FW 700A Black 5 MIDZ00 INSULATOR MIDZ0157601 COMPLEX empty Without Color 5 MMAA00 MAGNET SWITCH MMAA0008201 COMPLEX empty Metal Silver 5 MPBZ00 PAD MPBZ0191501 COMPLEX empty Without Color 5 MPBZ01 PAD MPBZ0191601 COMPLEX empty Without Color 5 MTAK00 TAPE CAMERA MTAK0008201 COMPLEX empty Without Color 5 MTAZ00 TAPE MTAZ0201301 COMPLEX empty Without Color 5 MTAZ01 TA...

Page 155: ...y Without Color 5 MLCD00 LENS CAMERA MLCD0008201 COMPLEX empty Without Color 6 MDAD00 DECO CAMERA MDAD0034001 PRESS STS Without Color 6 MTAK00 TAPE CAMERA MTAK0004701 COMPLEX empty Without Color 6 MTAZ00 TAPE MTAZ0200901 COMPLEX empty Without Color 5 MPBJ00 PAD MOTOR MPBJ0059001 SINTERING empty Without Color 5 MPBQ00 PAD LCD SUB MPBQ0034701 COMPLEX empty Without Color 5 MPBT00 PAD CAMERA MPBT00505...

Page 156: ...ICE0005601 COMPLEX empty Without Color 5 MDAC00 DECO SIDE MDAC0021501 COMPLEX empty Without Color 5 MDAG01 DECO FRONT MDAG0038801 MOLD PC LUPOY SC 1004A Sweet Pink 5 MFBD00 FILTER MIKE MFBD0032401 SINTERING empty Without Color 5 MIDZ00 INSULATOR MIDZ0178501 SINTERING empty Without Color 5 MPFD00 PLATE GROUND MPFD0005701 PRESS Ni Gold 5 MSGB00 STOPPER HINGE MSGB0023501 COMPLEX empty Without Color 5...

Page 157: ...6401 SINTERING empty Without Color 17 4 MPBF01 PAD FLEXIBLE PCB MPBF0037401 SINTERING empty Without Color 26 4 MSGB00 STOPPER HINGE MSGB0024001 COMPLEX empty Without Color 14 4 MTAA00 TAPE DECO MTAA0153901 COMPLEX empty White 4 4 MTAB00 TAPE PROTECTION MTAB0219002 Without Color 1 4 MTAB01 TAPE PROTECTION MTAB0277701 SINTERING empty Without Color 24 4 MWAC00 WINDOW LCD MWAC0102601 CUTTING PMMA MR 2...

Page 158: ...BZ03 PAD MPBZ0212601 SINTERING empty Without Color 3 GMEY00 SCREW MACHINE BIND GMEY0009201 1 4 mm 3 5 mm MSWR3 BK B HEAD D 2 7mm Black 22 34 3 MLAK00 LABEL MODEL MLAK0018616 KG110 MADE IN KOREA Without Color 4 MIDZ00 INSULATOR MIDZ0192401 SINTERING empty Without Color 30 5 MCBA CAN SHIELD MCBA0033801 PRESS STS Silver 5 MCBA00 CAN SHIELD MCBA0033901 PRESS STS Silver 29 5 MLAZ00 LABEL MLAZ0038301 PI...

Page 159: ...ree 7 C100 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 7 CN100 CONNECTOR BOARD TO BOARD ENBY0039501 20 PIN 0 4 mm ETC H 1 0 Plug 7 R100 RES CHIP ERHY0000254 4 7K ohm 1 16W J 1005 R TP 7 R101 RES CHIP MAKER ERHZ0002401 12 Kohm 1 16W J 1005 R TP 7 U100 IC EUSY0331801 Photo sensor IC 6 PIN Vcc 1 8 to 5 5V 6 PIN R TP Photo sensor IC 6 SACD00 PCB ASSY FLEXIBLE SMT TOP SACD0064901 F FOLDER...

Page 160: ...K X5R HD 1005 R TP 7 C111 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 7 C113 CAP CHIP MAKER ECZH0001002 0 5 pF 50V B NP0 TC 1005 R TP 7 CN100 CONNECTOR I O ENRY0006801 18 PIN 0 4 mm ETC 18 0 40MM ANGLE RECEPTACLE SMD R TP 7 CN101 CONNECTOR BOARD TO BOARD ENBY0036201 44 PIN 0 4 mm ETC H 1 0 Socket 7 L103 INDUCTOR CHIP ELCH0010402 270 nH M 1005 R TP CHIP 7 L104 INDUCTOR CHIP ELCH00103...

Page 161: ... 1005 R TP 7 C107 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 7 C108 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 7 CN100 CONNECTOR BOARD TO BOARD ENBY0018601 10 PIN 4 mm STRAIGHT H 0 9 SOCKET 7 CN101 CONNECTOR BOARD TO BOARD ENBY0039601 20 PIN 0 4 mm ETC H 1 0 Socket 7 CN102 CONNECTOR BOARD TO BOARD ENBY0034201 24 PIN 0 4 mm ETC GB042 H 1 0 Socket 7 CN104 CONNECTOR FF...

Page 162: ...0t 12mm 3V 4 SMZY00 MODULE ETC SMZY0017401 LED matrix Module Assembly 11 4 SUSY01 SPEAKER SUSY0027601 ASSY 8 ohm dB mm 20 12 3 3T WIRE 4 SVCY00 CAMERA SVCY0018201 CMOS MEGA 3M FF SS LSI 1 4 8 5x8 5x4 9 FPCB 9 4 SVLM00 LCD MODULE SVLM0026901 MAIN 240 320 40 57 1 5t 262k TFT TM Toshiba T6K85 19 4 SWCC00 CABLE COAXIAL SWCC0006001 79 5 mm LINE empty empty empty empty empty I 32 4 SNGF00 ANTENNA GSM FI...

Page 163: ...empty empty empty empty empty empty 0 8 mm 6 C231 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C232 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C233 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C234 CAP CERAMIC CHIP ECCH0000393 22000000 pF 6 3V M X5R HD...

Page 164: ...0V D NP0 TC 1005 R TP 6 C305 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C306 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C307 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C308 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C309 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C...

Page 165: ... BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 6 FB306 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 6 FB307 FILTER BEAD CHIP SFBH0008102 1800 ohm 1005 Bead 6 FL301 FILTER EMI POWER SFEY0007101 SMD 1CH 1608Feedthru ESD EMI filter for power Pb free 6 FL302 FILTER EMI POWER SFEY0010501 SMD SMD 18 V 4ch EMI_ESD Filter 100Ohm 15pF Pb free 6 FL303 FILTER EMI POWER SFEY0011401 SMD SMD 18V 4ch EMI_ESD Filte...

Page 166: ...0 Kohm 1 16W J 1005 R TP 6 R302 RES CHIP MAKER ERHZ0000483 47 ohm 1 16W J 1005 R TP 6 R303 RES CHIP MAKER ERHZ0000445 220 Kohm 1 16W J 1005 R TP 6 R304 RES CHIP MAKER ERHZ0000529 1 5 Kohm 1 16W J 1005 R TP 6 R306 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R308 RES CHIP MAKER ERHZ0000443 2200 ohm 1 16W J 1005 R TP 6 R314 RES CHIP MAKER ERHZ0000469 36 ohm 1 16W J 1005 R TP 6 R318 RES CH...

Page 167: ...R TC 1005 R TP 6 C102 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C103 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C104 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C105 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C106 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C107 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 100...

Page 168: ...1005 R TP 6 C133 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 1005 R TP 6 C134 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C135 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C136 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C137 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C138 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C...

Page 169: ...NP0 TC 1005 R TP 6 C403 CAP TANTAL CHIP ECTH0004804 33 uF 10V M L_ESR 3216 R TP 6 C404 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C405 CAP CERAMIC CHIP ECCH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C410 CAP CHIP MAKER ECZH0001002 0 5 pF 50V B NP0 TC 1005 R TP 6 C411 CAP CHIP MAKER ECZH0001002 0 5 pF 50V B NP0 TC 1005 R TP 6 C412 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6...

Page 170: ...C 1005 R TP 6 C444 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C446 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C447 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C448 CAP CERAMIC CHIP ECCH0000143 1 nF 50V K X7R HD 1005 R TP 6 C449 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C450 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 6 C4...

Page 171: ...0000166 390 Kohm 1 16W F 1005 R TP 6 R105 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 6 R106 RES CHIP MAKER ERHZ0000465 3300 ohm 1 16W J 1005 R TP 6 R108 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 6 R110 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R111 RES CHIP MAKER ERHZ0000404 1 Kohm 1 16W J 1005 R TP 6 R112 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 6 R11...

Page 172: ...ER ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R410 RES CHIP ERHY0000185 820 ohm 1 16W F 1005 R TP 6 R411 RES CHIP MAKER ERHZ0000206 10 ohm 1 16W F 1005 R TP 6 R412 RES CHIP MAKER ERHZ0000206 10 ohm 1 16W F 1005 R TP 6 R430 RES CHIP MAKER ERHZ0000244 22 Kohm 1 16W F 1005 R TP 6 R431 THERMISTOR SETY0006301 NTC 10000 ohm SMD 1005 3350 3399k J R T PBFREE 6 SPFY PCB MAIN SPFY0179201 FR 4 0 8 mm STAGGERED ...

Page 173: ...LL PRISMATIC 463443 WW Label PRISMATIC BLACK Black 3 SGDY00 DATA CABLE SGDY0010904 empty empty empty 18 BLACK 6 2mm Plug Datacable empty 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003722 RMS 20mW 0 56V RMS 16Ohm 2 4Ohm 1KHZ 116dB 3dB 1KHZ 3mW 116dB 1KHZ 96dB 100HZ empty empty 18P MMI CONNECTOR WHITE Earphone Stereo 3 SSAD00 ADAPTOR AC DC SSAD0028501 100 240V 5060 Hz 5 6 V 0 4 A GOST AC DC Adaptor 150Vac...

Page 174: ...Note ...

Page 175: ...Note ...

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LG KF350, Service Manual

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