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10. EXPLODED VIEW & REPLACEMENT PART LIST

LGE Internal Use Only

Copyright © 2008 LG Electronics. Inc.  All right reserved. 

Only for training and service purposes

Level

Location

No.

Description

Part Number

Spec

Color

Remark

6

CN401

CONN,SOCKET

ENSY0020101

24 PIN,ETC , ,0.9 mm,

6

D301

DIODE,TVS

EDTY0006501

SC70-6L ,5.25 V,100 W,R/TP ,

6

FB208

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB301

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB302

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB303

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB304

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB305

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB306

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB307

FILTER,BEAD,CHIP

SFBH0008105

1800 ohm,1005 ,Chip bead ,; ,1800ohm ,; ,[empty] ,R/TP

6

FB501

FILTER,BEAD,CHIP

SFBH0008102

1800 ohm,1005 ,Bead

6

FB502

FILTER,BEAD,CHIP

SFBH0008102

1800 ohm,1005 ,Bead

6

FB503

FILTER,BEAD,CHIP

SFBH0009901

120 ohm,1005 ,

6

FL302

FILTER,EMI/POWER

SFEY0015301

SMD ,Pb-free_Bais ,; ,Filter,LCR

6

FL303

FILTER,EMI/POWER

SFEY0015301

SMD ,Pb-free_Bais ,; ,Filter,LCR

6

FL501

FILTER,SEPERATOR

SFAY0011901

, , dB, dB, dB, dB,4532 ,WCDMA Quad Triple 6280 IFX

6

FL502

FILTER,SAW

SFSY0029201

2140 MHz,1.35*1.05*0.6 ,SMD ,Pb-
free_WCDMA_Rx_200ohm

6

FL503

FILTER,SAW

SFSY0032901

1950 MHz,1.4*1.1*0.6 ,SMD ,1920M~1980M, IL 2.6,
5pin, B-U, 200_27-50, WCDMA BAND I Tx ,; ,1950
,1.4*1.1*0.6 ,SMD ,R/TP

6

FL504

DUPLEXER,IMT

SDMY0001501

1950 MHz,2140 MHz,1.7 dB,2.2 dB,50 dB,42
dB,2.5*2.0*0.89 ,SMD ,Band1 duplexer, SAW ,; ,2140 ,42
,1950 ,50 ,2.2 ,1.7 ,2.5X2.0X0.89 ,DUAL ,SMD ,R/TP

6

J301

CONN,SOCKET

ENSY0018701

6 PIN,ETC , ,2.54 mm,H=1.8

6

L101

INDUCTOR,CHIP

ELCH0001430

100 nH,J ,1005 ,R/TP ,PBFREE

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

L302

INDUCTOR,CHIP

ELCH0005009

100 nH,J ,1005 ,R/TP ,

6

L401

INDUCTOR,CHIP

ELCH0001430

100 nH,J ,1005 ,R/TP ,PBFREE

6

L501

INDUCTOR,CHIP

ELCH0001556

270 nH,J ,1608 ,R/TP ,

6

L502

INDUCTOR,CHIP

ELCH0001402

18 nH,J ,1005 ,R/TP ,Pb Free

6

L503

INDUCTOR,CHIP

ELCH0001402

18 nH,J ,1005 ,R/TP ,Pb Free

6

L504

INDUCTOR,CHIP

ELCH0003814

5.1 nH,S ,1005 ,R/TP ,5.1nH,1005

Summary of Contents for KP275

Page 1: ...Service Manual Model KP270 Service Manual KP270 Date October 2008 Issue 1 0 Internal Use Only ...

Page 2: ... Power Amplifier Module 63 3 21 WCDMA Band1 Low Noise Amplifier 64 3 22 WCDMA Band1 Duplexer 65 4 TROUBLE SHOOTING 66 4 1 Trouble shooting test setup 66 4 2 Power on trouble 67 4 3 Charging Trouble 70 4 4 UBS Trouble 73 4 5 SIM Detect Trouble 75 4 6 Number Key Sense Trouble 78 4 7 Multi Key sense Trouble 80 4 8 Keypad backlight Trouble 82 4 9 Micro SD Trouble 84 4 10 Audio Trouble 86 4 11 Micropho...

Page 3: ... 4 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 4: ...ized 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 chan...

Page 5: ...essed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the 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 which...

Page 6: ...GSM Global System for Mobile Communications IPUI International Portable User Identity IF Intermediate Frequency LCD Liquid Crystal Display LDO Low Drop Output LED Light Emitting Diode OPLL Offset Phase Locked Loop PAM Power Amplifier Module PCB Printed Circuit Board PGA Programmable Gain Amplifier PLL Phase Locked Loop PSTN Public Switched Telephone Network RF Radio Frequency RLR Receiving Loudnes...

Page 7: ...CS1800 PCS1900 with seamless handover Phase 2 include AMR SIM Toolkit Class 1 2 3 A E Frequency Range EGSM900 TX 880 915 MHz EGSM900 RX 925 960 MHz DCS1800 TX 1710 1785 MHz DCS1800 RX 1805 1880 MHz PCS1900 TX 1850 1910 MHz PCS1900 RX 1930 1990 MHz WCDMA2100 TX 1920 1980 MHz WCDMA2100 RX 2110 2170 MHz Application Standard WAP 2 0 JAVA 2 0 Item Part name Comment Digital Baseband PMB8868 Infineon Ana...

Page 8: ...min Tx 12dBm Charging time 3 hours power OFF 900mAh RX sensitivity EGSM900 105 dBm DCS1800 105 dBm PCS1900 105 dBm PCS1900 105 dBm WCDMA2100 106 7 dBm EGSM900 33 dBm Class4 EGSM900 DCS1800 30 dBm Class1 DCS PCS1900 30 dBm Class1 PCS EGSM900 27 dBm E2 EGSM900 DCS1800 26 dBm E2 DCS PCS1900 26 dBm E2 PCS GPRS compatibility GPRS Class 12 EDGE compatibility EDGE Class 12 Display Main LCD 2 176 x 220 TF...

Page 9: ...t reserved Only for training and service purposes Item Feature Comment Speech coding FR EFR HR AMR Vibrator Built in Vibrator Blue Tooth V1 2 A2DP Voice Recording Yes Speaker Phone mode Yes Support Travel Adapter Yes CDROM Yes Stereo Headset Yes Data Cable No T Flash Yes Not Equipped ...

Page 10: ...Error Rms 5 Peak 20 3 Frequency Error GSM 0 1 ppm DCS PCS 0 1 ppm 4 EMC Radiated Spurious GSM DCS 28dBm Emission Disturbance 5 Transmitter Output power and GSM 5dBm 33dBm 3dB Burst Timing DCS PCS 0dBm 30dBm 3dB 6 Burst Timing 3 69us 7 Spectrum due to modulation out 200kHz 36dBm to less than 1800kHz offset 600kHz 51dBm 56dBm 8 Spectrum due to modulation out GSM to larger than 1800kHz offset to 1800...

Page 11: ...ctrum due to switching 400kHz 19dBm 22dBm 5 0 23dBm transient 600kHz 21dBm 24dBm 5 0 26dBm 10 Reference Sensitivity TCH FS Class II RBER 105dBm 2 439 11 Usable receiver input level range 0 012 15 40dBm 12 Intermodulation rejection 800kHz 1600kHz 98dBm 96dBm 2 439 Speech channels 13 AM Suppression 98dBm 96dBm 2 439 GSM 31dBm DCS 29dBm 14 Timing Advance 0 5T ...

Page 12: ... Occupied Bandwidth 5 MHz at 3 84 Mcps 99 of power 7 Adjacent Channel Leakage 33 dB 5 MHz Power Ratio ACLR 43 dB 10 MHz 8 Spurious Emissions 36 dBm 1 kHz RW 9 kHz f 150 kHz f fc 12 5 MHz 36 dBm 10 kHz RW 150 KHz f 30 MHz 36 dBm 100 kHz RW 30 MHz f 1 GHz 30 dBm 1 MHz RW 1 GHz f 12 75 GHz 41 dBm 300 kHz RW 1893 5 MHz f 1919 6 MHz 67 dBm 100 kHz RW 925 MHz f 935 MHz 79 dBm 100 kHz RW 935 MHz f 960 GH...

Page 13: ... MHz 5 MHz 5 Blocking Characteristic BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 56 dBm 3 84 MHz Fuw offset 10 MHz or Iblocking 44 dBm 3 84 MHz Fuw offset 15 MHz 6 Spurious Response BER 0 001 when Îor 103 7 dBm 3 84 MHz Iblocking 44 dBm 7 Intermodulation BER 0 001 when Îor 103 7 dBm 3 84 MHz Iouw1 46 dBm Fuw1 offset 10 MHz Iouw2 46 dBm 3 84 MHz Fuw2 offset 20 MHz 8 Spurious Emissions 57 dBm 10...

Page 14: ..._EN _PPR I2C LDO ON_OFF UMTS LNA 2G I Q 3G Tx I Q 3G Rx I Q ANT_SEL 1 6 PA_LEVEL 2G 3G_VGC_TX 2G_EN 2G_DATA 2G_CLK 3G_LD 3G_MASTERON 3G_EN 3G_DATA 3G_CLK USB LDO MP EH PMB8868 CAMERA 1 3M RCV SPK MIC LCD QCIF 176X220 18Pin MMI Connector 18Pin MMI Connector KEYPAD I F UART PCM MOTOR_EN A T A D D N A N A T A D _ M A R D S R D D A _ U B E A T A D D N A N A T A D _ M A R D S R D D A _ U B E Ear Phone ...

Page 15: ...software MIDI MP3 sound It is designed as a single chip solution integrating the digital and mixed signal portions of the base band in 0 09um 1 2V technology The chip will support the FR EFR HR and AMR NB vocoding S GOLD3 support multi slot operation modes HSCSD up to class 10 GPRS for high speed data application up to class 12 EGPRS up to class 12 and DTM class11 without additional external hardw...

Page 16: ...bit Shared RAM dual ported between controller system and TEAKLite Controller Bus system The processor cores and their peripherals are connected by powerful buses Multi layer AHB for connecting the ARM and the other master capable building blocks with theinternal and external memories and with the peripheral buses An FPI Bus for connecting GSM peripherals called hereafter FPI3 bus A controller FPI ...

Page 17: ...l 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 3 2 3 RF Interface T_OUT S Gold3H LC uses this interface to control RF IC and Peripherals Table 3 2 3 1 RF Interface Spe...

Page 18: ...S Gold3 ADC channel usage LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ADC channel Resource Interconnection Description M0 BAT_ID Battery temperature measure M1 RF_TEMP RF block temperature measure kM2 N C M3 JACK_TYPE Accessory type detect M4 N C M5 N C M6 N C M7 H W VERSION H W version detect M8 VBAT Battery supply voltage meas...

Page 19: ...cription KEY MATRIX KP_IN0 KEYIN0 KP_IN1 KEYIN1 KP_IN2 KEYIN2 KP_IN3 KEYIN3 KP_IN4 KEYIN4 KP_IN5 KEYIN05 KP_IN6 KEYOUT5 KP_OUT0 KEYOUT0 KP_OUT1 KEYOUT1 KP_OUT2 KEYOUT2 KP_OUT3 KEYOUT3 USIF1 USIF1_RXD_MRST UART_RX UART Data USIF1_TXD_MTSR UART_TX UART Data USIF1_RTS_N USB_ DAT_VP USB Data USIF1_CTS_N USB_SE0_VM USB Data USIF2 USIF2 _RXD_MRST BT_UART_RX Bluetooth UART Data USIF2 _TXD_MTSR BT_UART_TX...

Page 20: ...ync CIF_VSYNC CAM_VSYNC Camera V sync CLKOUT2 CAM_MCLK Camera main clock CIF_PD CAM_PWR_EN Camera power down active high CIF_RESET CAM_RESET Camera reset LCD I F DIF_D0 LCD_D0 LCD data 0 DIF_D1 LCD_D1 LCD data 1 DIF_D2 LCD_D2 LCD data 2 DIF_D3 LCD_D3 LCD data 3 DIF_D4 LCD_D4 LCD data 4 DIF_D5 LCD_D5 LCD data 5 DIF_D6 LCD_D6 LCD data 6 DIF_D7 LCD_D7 LCD data 7 DIF_D8 DIF_ID LCD data 8 DIF_CS1 _LCD_...

Page 21: ...PER_KEY_LED Function key LED enable CC0CC7IO BT_IN Bluetooth to S GOLD3H LC interrupt GPIO_34 MAIN_KEY_EN Number key LED enable GPIO_103 BT_LDO_EN Bluetooth LDO enable External Memory MMCI_CMD MMC_CMD T flash command MMCI_DAT 0 MMC_D0 T flash data0 MMCI_CLK MMC_CLK T flash clock MMC1_DAT 1 MMC_D1 T flash data1 MMC1_DAT 2 MMC_D2 T flash data2 MMC1_DAT 3 MMC_D3 T flash data3 MMC2_CMD MMC2_DAT 0 MMC2...

Page 22: ...C_P For Main Mic MICN2 HS_MIC_N For Headset Mic MICP2 HS_MIC_N For Headset Mic VMICP VMIC_P Power for MIC VMICN GND Ground for MIC ADC M0 BAT_ID Battery temperature measure M1 RF_TEMP RF block temperature measure M2 M3 JACK_TYPE Accessory type detect M7 H W VERSION H W version detect M8 VBAT Battery supply voltage measure M9 M10 Reference VREF VREFN IREF GND with resistor JTAG I F JTAG0_TDO JTAG0_...

Page 23: ... 1 PIPESTAT 0 TRACEPKT 0 TRACEPKT 1 TRACEPKT 2 TRACEPKT 3 TRACEPKT 4 TRACEPKT 5 TRACEPKT 6 TRACEPKT 7 Memory MEM_AD 0 DATA 0 MEM _AD 1 DATA 1 MEM _AD 2 DATA 2 MEM _AD 3 DATA 3 MEM _AD 4 DATA 4 MEM _AD 5 DATA 5 MEM _AD 6 DATA 6 MEM _AD 7 DATA 7 MEM _AD 8 DATA 8 MEM _AD 9 DATA 9 MEM _AD 10 DATA 10 MEM _AD 11 DATA 11 MEM _AD 12 DATA 12 MEM _AD 13 DATA 13 MEM _AD 14 DATA 14 MEM _AD 15 DATA 15 MEM _WR_...

Page 24: ... 4 MEM _A 5 ADD 5 MEM _A 6 ADD 6 MEM _A 7 ADD 7 MEM _A 8 ADD 8 MEM _A 9 ADD 9 MEM _A 10 ADD 10 MEM _A 11 ADD 11 MEM _A 12 ADD 12 MEM _A 13 ADD 13 MEM _A 14 ADD 14 MEM _A 15 ADD 15 MEM _A 16 ADD 16 MEM _A 17 ADD 17 MEM _A 18 ADD 18 MEM _A 19 ADD 19 MEM _A 20 ADD 20 MEM _A 21 ADD 21 MEM _A 22 ADD 22 MEM _A 23 ADD 23 MEM _A 24 ADD 24 MEM _A 25 ADD 25 MEM _A 26 ADD 26 MDM_SDA 11 ADD 27 MDM_SDA 12 ADD ...

Page 25: ...CLK02 SDCLK1 For Burst mode MEM _CKE CKE Memory FCDP_RBn FCDP GPIO_60 RPWRON_DBB TDMA I F T_OUT0 TXON_PA PAM T_OUT1 T_OUT2 ANT_SEL1 GPIO_46 MLED_CLDO_CTR Charge pump control EINT6 _EOC Charging terminate signal CC0CC2IO MMC_DETECT SD card detect T_OUT6 PA_MODE PAM T_OUT7 ANT_SEL2 T_OUT8 ANT_SEL3 GPIO_52 DSR CC1CC7IO JACK_DETECT Jack detect GPIO_54 TA_DETECT Charger detect GPIO_55 CHG_EN Charging e...

Page 26: ...service purposes FEM_CTRL 0 ANT_SEL4 FEM_CTRL 1 ANT_SEL5 FEM_CTRL 2 ANT_SEL6 System Port AFC AFC CLKOUT0 26MHz Not used F26M 26MHZ 26M Main Clock F32K to 32k crystal OSC32K to 32k crystal RESET_n _RESET TRIG_OUT TRIG_OUT RTC_OUT RTC_OUT VCXO_EN VCXO_EN DSP DSPIN0 CLK32K DSPOUT1 WDOG Navi key LED Backlight Control DSPIN1 ...

Page 27: ...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 28: ...aximum 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 voltages Programable charge current limitation for u...

Page 29: ...Power3 30 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 2V85_VFM 2 85V 100mA FM RADIO VIO 2V62_VIO 2 62V 100mA Peripherals VSIM 2V9_SIM 2 9V 70mA SIM card VMME 2V9_VMME 2 9V 150mA u SD VUMTS 2...

Page 30: ...IN VMME C11 VPIN C2 A10 VPLL C8 VREF SU1_FB H3 SU1_GATE J1 J2 SU1_GND J3 SU1_ISENSE SUSPEND A3 B10 TXONPA VAFC H11 VAUDIOA F2 G1 VAUDIOB VAUX H2 F1 VDDAUDIOA VDDAUDIOB G2 H1 VDDAUX C10 VDDMME VDDPLLIO B9 E11 VDDRF13_AFC B4 PUMS2 PUMS3 B11 B1 RCV D1 RESET2_N RESET_N E3 J5 RESOURCE_CRTL RREF B8 SD1_FB J10 L10 SD1_FBL K2 SD2_FB L2 SD2_FBL SE0_VM B2 L9 SENSE_IN1 SENSE_IN2 K10 SLEEP1_N E2 E1 SLEEP2_N F...

Page 31: ... 11 Switch off voltage 3 31 V 12 Charging temperature adc range a 20 C low charging voltage operation 3 6 V 3 9 V b 20 C 60 C standard charging up to 4 2 V c 60 C low charging voltage operation 3 6V 3 9V LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 3 2 1 Charging IC ISL9221 1 1 1 CHARGING IC 378mA 600mA 117mA C243 1u 2V1...

Page 32: ...pter or AC DC adapter VUSB 2 AI Input pin from USB host device VDC_LDO 12 AO Output pin of Linear Regulator USB_SYP 10 AO Output pin from USB bypass circuitry IVDC 9 AI Battery current setting pin for adapter power IUSB 7 AI Current setting pin for USB power IMIN 6 AI End of charge current setting pin BAT 11 AO Output pin to battery EN 5 DI Active low charge enable pin PPR 3 OD Active low power pr...

Page 33: ... 34 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 3 2 2 Charging Profile ...

Page 34: ...is change from high to low ON_OFF1 is a power on input for SM POWER3 with active low levels Remote Power On R218 100K 2 3 1 Q201 KTC4075E R223 10K 2V11_RTC 3 3M 2 3 1 R207 2 3 1 KTC4075E Q203 KTC4075E Q202 R220 10K R221 DNI 3 3M R210 R208 0 100K R202 C206 2 2u R225 100K RPWRON_DBB PWRON END_KEY_IN END_KEY KEYIN0 KEYOUT0 RPWRON_EN END_KEY_IN TP205 TP204 L3 WDOG J5 RESOURCE_CRTL ON_OFF1 K4 ON_OFF2 L...

Page 35: ...o communicate with S Gold3H LC and the SIM power supply enabled by PMIC SIM Interface SIM_CLK SIM card reference clock SIM_RST SIM card Async sync reset SIM_IO SIM card bidirectional reset 3 TECHNICAL BRIEF 36 Figure 3 5 1 SIM Circuit SIM CONNECTOR 2V9_VSIM 22p C323 2V9_VSIM DNI C325 0 1u C322 R317 10K C3 3 4 C5 C6 5 C7 6 GND1 7 8 GND2 GND3 9 10 GND4 J301 1 C1 2 C2 C324 22p 2V9_VSIM SIM_DATA SIM_R...

Page 36: ...d3H LC connected to the module using a dedicated eight pin connector Figure 3 6 1 Micro SD Connector MICRO SD Connector C334 DNI C336 DNI 56K R324 2V62_VIO 2V9_VMME R322 100K R326 56K 56K R323 C335 10p 1u C337 56K R325 C331 DNI DNI C332 2V9_VMME DAT2 DETECT_A DETECT_B DUMMY1 DUMMY2 DUMMY3 GND VDD VSS S301 AXA463062P CD_DAT3 CLK CMD DAT0 DAT1_2 DNI C333 DNI C330 1u C329 R327 56K MMC_DETECT MMC_D2 M...

Page 37: ...43 J9 J10 NC44 NC45 J11 K2 NC46 K4 NC47 NC48 K5 K8 NC49 NC5 A11 NC50 NC21 NC22 E9 F2 NC23 NC24 F9 G6 NC25 NC26 G9 G10 NC27 NC28 H3 H4 NC29 NC3 A3 NC30 H5 H6 NC31 NC32 H7 H8 NC33 NC34 H9 NC35 H11 J2 N11 K6 LDQM L6 LDQS NC1 A1 B10 NC10 NC11 B11 B12 NC12 NC13 C1 C2 NC14 NC15 C3 NC16 C11 C12 NC17 NC18 D1 D2 NC19 A2 NC2 NC20 D3 E2 N7 IO1 P10 IO10 M11 IO11 L11 IO12 K11 IO13 G11 IO14 F11 IO15 E11 IO16 D1...

Page 38: ...A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE10184E150R101FR FL304 5 G1 10 G2 INOUT_A1 1 INOUT_A2 2 varistor VA306 C311 22p 47 R310 varistor VA308 2V85_VLCD 0 1u C316 2V8_AVDD C318 39p 7 70 8 9 G1 G2 G3 G4 54 55 56 57 58 59 6 60 61 62 63 64 65 66 67 68 69 4 40 41 42 43 44 45 46 47 48 49 5 50 51 52 53 25 26 27 28 29 3 30 31 32 33 34 35 36 37 38 39 10 11 12 13 14 15 16 17 18 19 2 20...

Page 39: ...ed Only for training and service purposes Figure 3 9 1 Number key circuit diagram Figure 3 9 2 Function key circuit diagram KEY PAD RIGHT UP VA801 EVLC5S0250 LEFT VBAT SOFT802 EVLC5S0250 VA804 MENU OK CALL VA803 EVLC5S0250 SOFT801 SOFT803 END VA807 EVLC5S0250 VA808 EVLC5S0250 VA806 EVLC5S0250 DOWN VA805 EVLC5S0250 VA802 EVLC5S0250 KEYIN5 KEYIN4 KEYIN3 END_KEY KEYOUT5 KEYOUT3 KEYOUT2 KEYOUT1 3 9 8 ...

Page 40: ...ction The whole configuration of the SMPOWER3 Flash LED drivers is shown in below Figure 41 3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes KEY BACKLIGHT SSC SWTS1007 LD302 1 A 2 C LD301 SSC SWTS1007 A 1 C 2 100ohm R319 VBAT 0 1u C321 R316 100ohm MAIN_KEY_LED Figure 3 10 1 1 LED driver in the SM POWER3 Figure 3 10 ...

Page 41: ... Only for training and service purposes SUB KEY LED R810 10K VBAT 150 R803 1K R809 C804 1u 150 R807 LD803 LEBB S14E R802 150 LEBB S14E LD804 LD805 LEBB S14E LEBB S14E LD802 150 R808 C803 1u 150 R806 KTC4075E Q801 150 R805 EVLC5S02100 VA812 LD806 LEBB S14E LD807 LEBB S14E LD808 LEBB S14E LD801 LEBB S14E EVLC5S02100 VA813 R804 150 150 R801 UPPER_KEY_LED Figure 3 10 2 1 Function KEY back light LED ci...

Page 42: ...3 TECHNICAL BRIEF LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 11 1 LCD charge pump circuit diagram BACKLIGHT CHARGE PUMP 22n C259 FB205 1u C247 FB207 DNI R231 FB204 VBAT 1V8_CAMIO 2V8_AVDD VIN VOUT 16 6 7 BL4 BYP 13 18 C1 20 C1 17 C2 C2 1 9 GREF 15 LDO1 14 LDO2 3 NC1 10 NC2 NC3 12 2 PGND 11 SWIF 21 THER_GND 19 U204 SC62...

Page 43: ... Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 1 PCB_VERSION 1 1 24000ohm R131 390K R102 P4 PAOUT1_1 M8 PAOUT1_2 M7 E4 M8 D2 D4 M9 M0 F3 G4 M1 M10 F5 M2 E2 D1 M3 F4 M4 M5 E3 D3 M6 100K R103 VBAT RF_TEMP JACK_TYPE PA_LEVEL BAT_ID Figure3 12 1 Battery voltage monitor circuit diagram ...

Page 44: ...KP270 Audio signal flow diagram as following diagram Figure 3 13 1 Audio signal flow diagram S Gold3H RCV SPK Ear Phone I2C AMP EPP1 EPN2 I2C EPPA1 EPPA2 RADIO_OUT_L RADIO_OUT_R HS_L HS_R REC_P REC_N I2C 32K FM RADIO ANT S Gold3H RCV SPK Ear Phone I2C AMP EPP1 EPN2 I2C EPPA1 EPPA2 RADIO_OUT_L RADIO_OUT_R HS_L HS_R REC_P REC_N I2C 32K FM RADIO ANT ...

Page 45: ...8 LG Electronics Inc All right reserved Only for training and service purposes Figure 3 13 1 1 Audio AMP circuit diagram AUDIO AMP 2 2 R406 C416 1u 2 2 R405 C420 1u 1u C411 1u C418 C429 C417 39p 39p 39p C424 1u C415 VBAT 1u C407 C423 39p C1 OUT D5 OUT B5 PGND C4 PVDD C5 D4 RXIN RXIN B4 C3 SCL B3 SDA VDD B1 VSS A3 U401 MAX9877AEWP_TG45 BIAS B2 A4 C1N A5 C1P GND D3 A2 HPL A1 HPR D2 INA1 D1 INA2 INB1...

Page 46: ...MULTIPORT RECEPTACEL 3 Jack type 9 10 BATT 15 VUSB 5 HSO_R 6 USB Remote_INT MON_TXD 17 UART_RX 4 HSO_L DNI KP275 series 14 DSR 2 Headset MIC C313 1800 FB307 10u 270nH L301 R308 2 2K 5 6 7 8 9 11 12 13 14 15 16 17 18 19 2 20 21 22 3 4 CN301 1 10 R334 DNI 1800 FB306 22n C310 2V5_VAUDB USB_VCHG 22n C309 DNI R305 39p C314 C303 39p NFM18PC104R1C3 FL303 GND1 GND2 IN OUT FB303 1800 DNI R333 100nH VBAT L3...

Page 47: ...O_0 H7 GPIO7_TX_PU_TDDN_TX_PU_TDO_USB HOST_WAKE_USB_DETACH_GPIO_1 B6 HUSB_DN J8 J7 TP405 L402 NA TP403 1V8_SD 0 R417 2V85_VBT TP409 FEED NC1 NC2 FB404 ANT401 R423 100K R419 47K 0 1u C440 1u C436 R421 0 0 R420 DNI R409 2 2u C442 FL403 LFB212G45SG8A166 GND1 GND2 IN OUT DNI BT_UART_RX CLK32K BT_CLK C446 BT_PCM_CLK BT_PCM_SYNC BT_PCM_RX BT_PCM_TX BT_UART_CTS BT_UART_TX BT_UART_RTS CLK_FM BT_VCXO_EN BT...

Page 48: ...oltages up to 5 5V Internal OR gate TCXO control Fractional N synthesizer supports frequency references form 12MHz to 40 MHz Lower Power consumption Standard PCB and module package types available ARM7TDMI S Based microprocessor with intergrated ROM and RAM supports mobile and PC applications without external memory APPLICATIONS Mobile handsets and smart phones Personal digital assistants Desktop ...

Page 49: ...5SG8A BT ANT BT_CLK X TAL 32 768KHz MC 146 CLK32K LPQ_IN BT_UART_TX BT_UART_RX BT_UART_RTS BT_UART_CTS I2S1ís UART PMB6821 PMB6952 BT_CLK BT_VCXO_EN USIF2ís BT_PCM_TX BT_PCM_RX BT_PCM_SYNC BT_PCM_CLK PCM BCM2046SB1 VC TCXO 26MHz_BT 2V85_VBT 1V8_SD BT_INT BT_VCXO_EN HOST_WAKE_GPIO_1 XTAL_PD_GPIO5 DBB_BT_INT BT_WAKE_GPIO_0 XTAL_P BPF Chip Antenna XMM6070 KT22M ECW29A 26 000 LFB212G45SG8A BT ANT BT_C...

Page 50: ...t 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_EN Remote power on active high 2 8V 12 VCHG Charger voltage 13 VCHG Charger voltage 14 DSR D...

Page 51: ...Control Unit GSM Timer Unit 26MHz VCTCXO 26MHz_MCLK RF2 8V VBAT PA Control Hardware TX 900MHz 3G DUPLEXER Rx RF SAW 3G LNA Rx RF SAW 3G PAM Rx Tx PMB6821 SM Power RF2 85V RF1 5V VBAT PA_EN PA_MODE PA_EN PA_MODE TXI TXIX TXQ TXQX EN DATA CLK PMB6272 SMARTi PM TQM7M5005 LNA Switch SAW MODE FEM LSHS C085FB PGA Polar Modulator 4 2 3 8GHz Fractional N PLL ADC Sigma Delta Modulator Loop filter RX 1800MH...

Page 52: ...s operation of SMARTiPM and SMARTi3G is not permitted LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TXOUTH TXOUTHX 1920 1980 MHz band I RXINH RXINHX 2110 2170 MHz band I RXINM RXINMX 1930 1990 MHz band II III TXOUTL TXOUTLX 824 849 band V VI TXOUTM TXOUTMX 1850 1910 MHz band II III RXINL RXINLX 869 894 band V VI RXBAND1 RXBAND2 RX...

Page 53: ... PAOUT1_1 M8 PAOUT1_2 RF_CLK W7 BB_I L5 BB_IX M5 BB_Q M4 BB_QX P5 W6 AFC AIREF AD12 ARXN_I AE16 AE17 ARXN_Q AD15 ARXP_I ARXP_Q AD17 ATXN_I AD13 AD14 ATXN_Q AE13 ATXP_I AE14 ATXP_Q AE12 ATX_PA_ADC AE11 ATX_PA_DAC ATX_VGA_DAC AD11 TA_DETECT _PPR 3G_TX_QN 3G_TX_IP 3G_TX_QP 3G_VGC_TX 2G_CLK 2G_EN 2G_DATA MMC_DETECT MLED_CLDO_CTRL 2G_IP 2G_IN 2G_QP 2G_QN 3G_RX_IN 3G_RX_QN 3G_RX_IP 3G_RX_QP 3G_TX_IN ANT...

Page 54: ...The 3rd order lowpass 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 implemented to cope with the dynamic range of the input signals Depending on the baseband ADC dynamic range s...

Page 55: ...e 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 amplitude signa...

Page 56: ...the synthesizer is carried out as a multi modulus divider MMD The loop filter is fully integrated and the loop bandwidth is about 100 kHz to allow the transfer of the phase modulation The loop bandwidth is automatically adjusted prior to each slot OLGA2 To overcome the statistical spread of the loopfilter element values an automatic loopfilter adjustment ALFA is performed before each synthesizer s...

Page 57: ...M850_RX2 14 GSM900_RX1 15 GSM900_RX2 UMTS1 20 UMTS2 21 22 UMTS3 VC1 3 VC2 4 VC3 5 6 VC4 7 VDD ANT 2 GND1 1 10 GND2 8 GND3 23 GND4 24 GND5 GSM1800_1900TX 9 GSM1800_RX1 16 17 GSM1800_RX2 GSM1900_RX1 18 19 LMSP43QL 771 FL501 C549 100p 100p C548 C546 100p 1K R517 C541 1K 0 1u R519 1u C553 R516 1K 2V85_VRF 1000p C540 FB503 GSM_PAOUT_LB GSM_PAOUT_HB 3G_RF_BC1 3G_RF_BC5_8 ANT_SEL2 ANT_SEL1 ANT_SEL4 ANT_S...

Page 58: ...MLED_CLDO_CTRL ANT_SEL1 _EOC ANT_SEL2 ANT_SEL3 PA_MODE B10 GPIO 17 GPIO 18 A9 A8 GPIO 19 GPIO 16 A10 ANT_SEL4 ANT_SEL5 ANT_SEL6 Figure 3 17 5 2 KP270 Front End Control Control signal from Baseband IC VC1 VC2 VC3 VC4 ANT_SEL1ANT_SEL2ANT_SEL3ANT_SEL4ANT_SEL5ANT_SEL6 850 900 TX 1 0 0 0 0 1 0 0 0 0 1800 1900 TX 1 1 0 0 1 1 0 0 0 0 850 RX 0 1 1 0 1 0 1 0 0 0 900 RX 0 0 1 0 0 0 1 0 0 0 1800 RX 0 0 0 0 0...

Page 59: ...ers programmable DC voltages and driver currents for different load impedances RX Front End An external low noise amplifier as well as duplex and interstage filters are needed to form a complete receive chain for each band Baseband Processing analog The amplified RF signal is converted by a quadrature demodulator to I and Q signals at baseband frequency The resulting inphase and quadrature signals...

Page 60: ...o be applied to these open drain differential outputs TX Output Power The voltage at the VGA control pin TXGC VGC should be limited to ensure that the specified maximum output power minimum Poutmax is not exceeded The VGC value at which the specified minimum Poutmax is reached varies from device to device ACLR and other specifications are only valid for output power levels below the specified mini...

Page 61: ...unction 1 DCS PCS in DCS PCS RF input DC blocked 2 MODE SELECT MODE High the PAM operates in EDGE 8PSK mode MODE Low the PAM operates in GMSK mode 3 BAND SELECT BS BAND SELECT Low Low Band active BAND SELECT High High Band active 4 VBATT Battery supply voltage typ 3 0 4 5V nom 1 6A 5 VRAMP DAC Control Signal anaiog Nominal Vramp range is 0 2 to 1 6V GGMSK mode Controls ramp profile and output powe...

Page 62: ...ODE0 4 VMODE1 3 U507 ACPM 7381 GND1 6 7 GND2 9 GND3 11 PGND 2 RFIN RFOUT 8 1 VCC1 VCC2 10 220p C580 3G_PA_MODE1 3G_PAEN_BC1 Figure 3 20 1 Schematic Diagram of WCDMA Band1 PAM ACPM 7381 Table 3 20 1 ACPM 7381 Pin description Pin Name Description 1 Vcc1 Supply Voltage 2 RF In RF Input 3 Vmode1 Control Voltage 4 Vmode2 Control Voltage 5 Ven Enable Voltage 6 GND Ground 7 GND Ground 8 RF Out RF Output ...

Page 63: ...T RREF 5 VCC 4 U506 BGA711L7 R524 27K C565 DNI C569 100p 12p C568 10p C563 2nH L511 3G_LNA_CTRL_BC1 3G_LNA_GAIN_CTRL Figure 3 21 1 Schematic Diagram of WCDMA Band1 LNA BGA711L7 Table 3 21 1 BGA711L7 Pin description Pin Symbol Function 1 RFIN LNA input 2 VEN Mode control 3 VGS Gain step control 4 VCC Supply voltage 5 RREF Tunable current consumption 6 RFOUT LNA output 7 GND Ground connection for ba...

Page 64: ...Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes L515 5 6nH 12p C570 GND2 GND3 GND4 GND5 GND6 RX_OUT TX_IN B7684 FL504 ANT GND1 3G_RF_BC1 Figure 3 22 1 Schematic Diagram of WCDMA Band1 Duplexer Table 3 22 1 B7684 Pin description ...

Page 65: ... TROUBLE SHOOTING 66 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 66: ...ring or Change U101 U504 U502 X501 LDOs output C223 C207 C209 C217 C218 C221 C232 C234 C236 C237 C239 of U202 while push the end key is ok Check soldering or change U202 and relevant component NO Battery Voltage higher Than 3 2V 32 769KHz clock at X101 is ok Click TP1 PWRON pin TP3 is high Before push the end key Start END Change or Charging the Battery Power on is ok Resolder R202 Check soldering...

Page 67: ... D6 E6 RESET_N MEM_BC1_N H17 F15 MEM_BC2_N F12 MEM_BC3_N D14 MEM_CAS_N H11 MEM_CKE MEM_RAS_N H12 IREF J5 F32K D5 CLK32K B1 BT_VCXO_EN UDQS CLK32K LDQS PM_VCXO_EN VREFN _RESET RTC_OUT _BC1 _CAS CKE _RAS Remote Power On R218 100K 2 3 1 Q201 KTC4075E 2V11_RTC 3 3M R207 2 3 1 KTC4075E Q202 3 3M R210 R208 0 100K R202 C206 2 2u RPWRON_DBB PWRON RPWRON_EN END_KEY_IN VCC 5 4 U502 MC74VHC1G04DFT2G 2 3 GND ...

Page 68: ...yright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 69 X101 U101 U502 U504 X501 R202 Q202 R220 U202 C209 C207 C329 C237 C234 C236 C232 C218 C217 C221 C223 2 2 0 2 C 8 1 3 ...

Page 69: ...oltage at the C202 is 4 7V END NO YES Change the battery If voltage level of battery is under 3 2 V then wait by above 3 2V NO Charging is work well YES 1 Check soldering or change FL303 2 Change TA YES Charging is work well YES YES START NO Check soldering or change D202 NO Change U203 NO Voltage at R102 is above 0 64V Resolder R102 R103 or change main board NO YES TP1 TP2 TP3 END START Change th...

Page 70: ...AT 11 8 GND 6 IMIN IUSB 7 IVDC 9 13 PGND 10 USB_BYP VDC 1 VDC_BYP U203 18K R230 VBAT R229 11 3K 1u C242 R226 100K 4 7K VCHG R228 C246 1u USB_VCHG _PPR OVP_VUSB OVP_VCHG CHG_EN _EOC D203 SDB0530 3 1 2 KDR331V D202 TP209 VBAT TP207 47K R234 47K R233 L11 VSD1 K9 VDD_CHARGE J9 VDD_REF VLED A8 L9 SENSE_IN1 SENSE_IN2 K10 K7 BL2_PWM BL3_PWM J8 L8 CHARGE_UC L7 CH_CNTRL CH_SOURCE K8 L201 10uH 0 1u C211 C20...

Page 71: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 72 R102 R103 C245 U203 C242 FL303 C202 D202 C245 U203 ...

Page 72: ...HARGE C202 is about to 4 8V Click TP3 NO YES USB_VCHG C242 is about to 5V Click TP1 Change cable NO YES Check soldering or change D202 USB function is ok NO Change U202 or main board Cable is insert OVP_VUSB C245 is about to 5V Click TP2 Start END Cable insert Check soldering or change U203 NO YES YES VDD_CHARGE C202 is about to 4 8V Click TP3 YES USB_VCHG C242 is about to 5V Click TP1 Change cabl...

Page 73: ...CHG 4 _EN 5 3 _PPR ISL9221 BAT 11 8 GND 6 IMIN IUSB 7 IVDC 9 13 PGND 10 USB_BYP VDC 1 VDC_BYP U203 18K R230 VBAT R229 11 3K 1u C242 R226 100K 4 7K VCHG R228 C246 1u USB_VCHG _PPR OVP_VUSB OVP_VCHG CHG_EN _EOC D203 SDB0530 3 1 2 KDR331V D202 TP209 VBAT TP207 47K R234 47K R233 L11 VSD1 K9 VDD_CHARGE J9 VDD_REF VLED A8 L9 SENSE_IN1 SENSE_IN2 K10 K7 BL2_PWM BL3_PWM J8 L8 CHARGE_UC L7 CH_CNTRL CH_SOURC...

Page 74: ...3 0V Click TP1 SIM_CLK C324 SIM_DATA C323 is Work well Click TP2 Start Resolder J301 Check C236 or Change U202 END YES NO NO NO YES YES Change SIM Card Work well END YES NO Change the main board Check soldering of J301 2V9_VSIM C236 is 3 0V Click TP1 SIM_CLK C324 SIM_DATA C323 is Work well Click TP2 Start Resolder J301 Check C236 or Change U202 END Change SIM Card Work well END Change the main boa...

Page 75: ...608 D203 SDB0530 10u C218 1u C234 1V8_SD TP209 10u C221 C229 2 2u 2 2u C239 4 7u C220 2 2u C240 1u C233 2V7_VRF VBAT 2 2u C238 2V8_AMP VUMTS J11 F11 VVIB VRF1 F10 D11 VRF2 E10 VRF3 H10 VRTC L11 VSD1 G10 VSIM VDDRF2 D10 K11 VDDSD1 VDDSIMVIB G11 H9 VDDUMTS J9 VDD_REF VLED A8 VMME C11 VAFC H11 C10 VDDMME E11 VDDRF13_AFC SD1_FB J10 L10 SD1_FBL L201 10uH C236 2 2u 2 2u C235 C217 2V9_VSIM 10u 0 1u C211 ...

Page 76: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 77 C323 C324 J301 U202 C323 C324 J301 U202 ...

Page 77: ...rvice purposes 4 TROUBLE SHOOTING 78 4 6 Number Key Sense Trouble start Change the Dome Sheet And check again Work well END Work well YES NO Change Main Board YES Check R116 R117 FL101 FL102 is 2 6V Check soldering of R116 R117 FL101 FL102 Any problem YES NO Resolder R116 R117 FL101 FL102 YES NO END ...

Page 78: ...FL102 ICVE10184E150R500FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 R117 51 KP_IN3 R15 T17 KP_IN4 KP_IN5 U18 R17 KP_IN6 U16 KP_OUT0 KP_OUT1 V17 AA19 KP_OUT2 KP_OUT3 U15 W18 KP_IN0 P15 KP_IN1 KP_IN2 U17 K2 EPN1_1 EPN1_2 K3 J1 EPP1_1 EPP1_2 J2 H1 EPPA1_1 EPPA1_2 H2 G1 CIF_D2 AB10 CIF_D3 Y12 AB11 CIF_D4 CIF_D5 AD7 AA11 CIF_D6 W12 CIF_D7 CIF_HSYNC W11 CIF_PCLK AA12 CIF_PD AB12 AA10 CIF_RESET AA13 ...

Page 79: ...start Change the Dome Sheet And check again Work well END Work well YES NO YES Check R116 R117 FL101 FL102 is 2 6V Check soldering of R116 R117 FL101 FL102 Any problem YES NO Resolder R116 R117 FL101 FL102 YES NO Change Slide and check again Work well Change multi key PCB and check again Work well YES YES Change the main board NO NO start END Change the main board ...

Page 80: ...4 4 INOUT_B1 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL102 ICVE10184E150R500FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 R117 51 KP_IN3 R15 T17 KP_IN4 KP_IN5 U18 R17 KP_IN6 U16 KP_OUT0 KP_OUT1 V17 AA19 KP_OUT2 KP_OUT3 U15 W18 KP_IN0 P15 KP_IN1 KP_IN2 U17 K2 EPN1_1 EPN1_2 K3 J1 EPP1_1 EPP1_2 J2 H1 EPPA1_1 EPPA1_2 H2 G1 CIF_D2 AB10 CIF_D3 Y12 AB11 CIF_D4 CIF_D5 AD7 AA11 CIF_D6 W12 C...

Page 81: ...Signal MAIN_KEY_EN Is LOW Click TP1 END YES YES NO NO NO Change LD301 LD302 And check again Work well YES Check soldering of LD301 LD302 R316 R319 Resolder LD301 LD302 R316 R319 Change the Main Board Signal MAIN_KEY_LED Is LOW Click TP2 Change the Main Board Backlight is work well YES NO start END Resolder LD301 LD302 R316 R319 Change the Main Board Change the Main Board ...

Page 82: ...C2_SDA C2 I2RF_DATA I2RF_SCLK C1 I2RF_STR0 B2 I2S1_CLK0 W4 I2S1_CLK1 Y1 I2S1_RX W2 I2S1_TX W3 Y2 I2S1_WA0 I2S2_CLK0 U1 U5 I2S2_CLK1 I2S2_RX W1 V2 I2S2_TX U2 I2S2_WA0 I2S2_WA1 U3 B10 GPIO 17 GPIO 18 A9 A8 GPIO 19 AA6 I2C1_SCL I2C1_SDA AA4 I2C2_SCL Y4 A12 GPIO 13 B12 GPIO 14 A11 GPIO 15 GPIO 16 A10 DSPIN0 T16 DSPIN1 V18 DSPOUT1 W14 AUXGND N4 AUXN1 AUXN2 N1 M1 AUXP1 N2 AUXP2 P2 CC_CLK CC_IO T4 CC_RST...

Page 83: ...VMME 2V62_VIO Click TP1 Micro SD card is work well Change U202 YES YES NO No 1 Change soket S301 2 Chagne main board YES Check soldering of S301 and relevant component Resolder S301 and Relevant component NO Change Micro SD card Yes END NO Micro SD card is work well YES Check voltage of 2V9_VMME 2V62_VIO Click TP1 Micro SD card is work well 1 Change soket S301 2 Chagne main board END ...

Page 84: ... 85 C334 DNI C336 DNI 56K R324 2V62_VIO 2V9_VMME R322 100K R326 56K 56K R323 C335 10p 1u C337 56K R325 C331 DNI DNI C332 2V9_VMME DAT2 DETECT_A DETECT_B DUMMY1 DUMMY2 DUMMY3 GND VDD VSS S301 AXA463062P CD_DAT3 CLK CMD DAT0 DAT1_2 DNI C333 DNI C330 1u C329 R327 56K MMC_DETECT MMC_D2 MMC_CMD MMC_D1 MMC_CLK MMC_D0 MMC_D3 S301 U202 TP1 ...

Page 85: ... signal at R405 R406 Click TP1 Change the main board Receiver is work well END Change U401 YES YES NO NO NO 1 Check soldering and resolder CN302 CN903 2 Change the Speaker 3 Change the FPCB 4 Chagne the Slide YES Is there analog signal at C427 C428 Click TP2 Connect the phone to network equipment and setup call Setup 1KHz tone out start Change the main board Receiver is work well END Change U401 ...

Page 86: ...p C424 1u C415 VBAT 1u C407 C423 39p C1 OUT D5 OUT B5 PGND C4 PVDD C5 D4 RXIN RXIN B4 C3 SCL B3 SDA VDD B1 VSS A3 U401 MAX9877AEWP_TG45 BIAS B2 A4 C1N A5 C1P GND D3 A2 HPL A1 HPR D2 INA1 D1 INA2 INB1 C2 INB2 1u C412 C403 39p C430 1u C431 39p C404 4 7u 39p C427 C428 39p REC_N REC_P HS_R HS_L HSO_R HSO_L SPK_RCV_P SPK_RCV_N SDA SCL RADIO_OUT_R RADIO_OUT_L CN903 CN302 Speaker FPCB U401 R405 R406 C428...

Page 87: ...1KHz tone out and Insert headset YES Is there analog signal at C416 C420 Click TP1 Resolder C416 C420 C423 C424 or change the main board Headset is work well END Resolder FB301 FB303 or change U401 YES YES NO NO NO Check soldering CN301 YES Is there analog signal at C417 C418 Click TP2 Is there headset detection icon on the LCD Change headset NO YES Resolder C416 C420 C423 C424 or change the main ...

Page 88: ...1u C415 VBAT 1u C407 C423 39p C1 OUT D5 OUT B5 PGND C4 PVDD C5 D4 RXIN RXIN B4 C3 SCL B3 SDA VDD B1 VSS A3 U401 MAX9877AEWP_TG45 BIAS B2 A4 C1N A5 C1P GND D3 A2 HPL A1 HPR D2 INA1 D1 INA2 INB1 C2 INB2 1u C412 C403 39p C430 1u C431 39p C404 4 7u 39p C427 C428 39p REC_N REC_P HS_R HS_L HSO_R HSO_L SPK_RCV_P SPK_RCV_N SDA SCL RADIO_OUT_R RADIO_OUT_L U401 C416 C423 C418 C417 C420 C424 FB303 FB301 CN30...

Page 89: ...uble 4 11 1 Microphone for main MIC start Is there analog signal at C414 C419 Mic is work well END Change the main board YES NO NO Resolder C414 C419 or change MIC401 Connect the phone to network Equipment and setup call Audio path on the network equipment is echo mode YES start Is there analog signal at C414 C419 Mic is work well END Change the main board ...

Page 90: ... right reserved Only for training and service purposes Fig 6 Waveform of DCXO N MIC 1608 C409 39p G1 2 3 G2 4 G3 G4 6 1 OUT PWR 5 SPM0204LE5 QB MIC401 0 1u C414 VMIC_P 100nH L401 DNI C410 39p C421 0 1u C419 39p C413 C408 10u 39p C422 VMIC_GND MAIN_MIC_N MAIN_MIC_P VMIC_GND C414 C419 ...

Page 91: ...l at C309 C310 Headset mic is work well END Change the main board YES NO NO Resolder C309 C310 or change headset Connect the phone to network Equipment and setup call Audio path on the network equipment is echo mode YES Is there headset detection icon on the LCD Change headset NO YES YES start Is there analog signal at C309 C310 Headset mic is work well END Change the main board Change headset ...

Page 92: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 93 C309 C310 ...

Page 93: ...nal and data YES NO Replace camera socket or Change the main board END Replace new camera Module Working properly 1 Check soldering or change FL401 FL402 and relevant component 2 Change the main board 2V8_AVDD 1V8_CAMIO 1V8_CAMCORE voltage level is ok Click TP1 NO Check soldering or change FB204 FB205 FB206 FB207 U204 YES START YES YES Replace camera socket or Change the main board YES ...

Page 94: ..._CAMIO 0 1u C401 C426 10p INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 7 INOUT_B3 INOUT_B4 6 FL401 ICVE10184E070R101FR G1 5 G2 10 INOUT_A1 1 2 C425 DNI 7 INOUT_B3 6 INOUT_B4 FL402 ICVE10184E070R101FR G1 5 G2 10 INOUT_A1 1 2 INOUT_A2 INOUT_A3 3 4 INOUT_A4 9 INOUT_B1 INOUT_B2 8 DNI R403 20 R404 CAM_D7 CAM_D0 CAM_D1 CAM_D2 CAM_D3 CAM_D4 CAM_D5 CAM_D6 CAM_D5 CAM_D4 CAM_PCLK CAM_PCLK_OUT CAM_MC...

Page 95: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 TROUBLE SHOOTING 96 C401 C402 C405 C406 ...

Page 96: ...rk well END NO YES YES Change the slide key PCB Or LCD NO Press END Key to turn on the power ON YES Follow the Power ON Trouble shooting NO YES 2V85_VLCD level at C232 is 2 85V Click TP1 YES NO Check soldering of CN302 CN903 CN801 CN902 Change U202 Check control signal and data NO Change the main board Reconnect LCD Module LCD Work well YES Resolder connectors YES NO START Follow the Power ON Trou...

Page 97: ...C240 1u C233 2V7_VRF VBAT 2 2u C238 2V8_AMP VUMTS J11 F11 VVIB VRF1 F10 D11 VRF2 E10 VRF3 H10 VRTC L11 VSD1 G10 VSIM VDDRF2 D10 K11 VDDSD1 VDDSIMVIB G11 H9 VDDUMTS J9 VDD_REF VLED A8 VMME C11 VAFC H11 C10 VDDMME E11 VDDRF13_AFC SD1_FB J10 L10 SD1_FBL L201 10uH C236 2 2u 2 2u C235 C217 2V9_VSIM 10u 0 1u C211 2V85_VRF 2V85_VLCD C237 2 2u 1V35_CORE 2 2u C241 FB202 C230 4 7u 4 7u C231 2V9_VMME 2V11_RT...

Page 98: ...uble Check U502 buffer Check X101 START Check TP1 2 85V TP2 1 8V TP4 1 8 V TP1 TP4 Check U202 PMB6821 TP2 U103 PMB8868 Check TP3 26MHz NO NO YES YES Check TP11 32 768KHz NO Check TP6 7 8 9 Signal exist when BT ON YES NO Check U103 PMB8868 Bluetooth works well Change the main board END Check TP10 Tx Rx power exist NO Check FL403 and ANT401 NO YES YES YES ...

Page 99: ... select wanted test cases after getting an optimized power 7 Blue tooth Off 1 Menu OK key setting 4 Connectivity 1 Bluetooth 1 Turn on Turn off 100 4 TROUBLE SHOOTING LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes T TC 3000B Bluetooth Tester TC 3000B Bluetooth Tester TC 300 00B B Bl luet tooth Test ter r TP10 TP3 TP4 TP11 TP1 TP5 T...

Page 100: ...N_ACTIVITY_GPIO2 UART_CTS_N C8 C9 UART_RTS_N UART_RXD B9 UART_TXD B8 VCTRIFP J2 A7 VDDC1 VDDC2 B7 A1 VDDIF J1 VDDIFP VDDLO G1 VDDO1 H9 J9 VDDO2 G8 HUSB_DP A5 LPO_IN PA_CTL_GPIO6_TX_PU_TDD_TX_PU_T H8 F8 PCM_CLK_SCK PCM_IN_SPDIF_IF_SD_IN E8 D9 PCM_OUT_SPDIF_OUT_SD_OUT PCM_SYNC_TX_PU_TDO D8 J3 RES RFION E1 C1 RFIOP D1 RFTUNE F9 RF_ACTIVE_GPIO4 RST_N B4 SCL_TX_PU_TDO_N A9 A8 SDA_TX_PU_TDO TM0 J6 H6 BC...

Page 101: ...15 RF Component Reference Description Reference Description U503 PAM GSM900 1800 1900 U504 RF Transceiver SW501 RF SWITCH U507 PAM WCDMA2100 FL501 FEM X501 TCXO 26MHz FL504 SAW Duplexer WCDMA2100 FL502 Rx SAW Filter WCDMA2100 U506 LNA WCDMA2100 FL503 Tx SAW Filter WCDMA2100 U503 3 FL L501 1 U506 6 FL504 4 U504 U507 7 X501 SW501 FL502 FL503 ...

Page 102: ...y Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 4 16 RF SIGNAL PATH 4 16 1 UMTS PATH RX Path TX Path COMMON Tx Rx Path GSM Tx Path DCS PCS Tx Path COMMON Tx Rx Path GSM DCS PCS Rx Path 4 16 2 GSM PATH ...

Page 103: ...ice purposes 4 17 Trouble Shooting of GSM Part EGSM900 DCS1800 PCS1900 START Setup Test Equipment Cell Power 74dBm EGSM900 CH 38 DCS1800 CH 698 PCS1900 CH 661 Check Point Mobile SW FEM Check Point VCTCXO Check Point Rx Part Re download S W CAL Check Point Tx Part Mobile SW FEM VCTCXO RF Transceiver GSM PAM Check Point Tx Part ...

Page 104: ...Circuit TP1 TP2 TP3 wave form of TP1 C545 Similar to wave form below Check TP2 Vcc of X501 2 85V Check U202 Check 0V TP3 1 8V NO YES NO Check U101 YES NO Replace X501 YES VCTCXO is Ok See the next page 2V85_VRF C545 1000p C561 0 1u 1u C562 C555 0 01u 26MHz 2 GND 3 OUT VCONT 1 VDD 4 DSA321SA_26MHZ X501 20 R521 R523 10K AFC 2G_EN 2G_DATA 2G_CLK 2G_BS TP1 TP2 TP2 ...

Page 105: ...n each mode TP1 4 High level 2 85 Vcc 1 4V TP9 Signal Same as TP10 Replace SW501 Check TP11 FB503 2 85V NO YES NO Check 2V85_VRF net YES NO Check U505 Or Replace FL501 YES Check TP9 of SW501 with RF Cable FL501 Pin 12 19 Signal OK In each mode Front end module is Ok See the next page NO Replace FL501 TP4 TP7 TP3 TP2 TP1 TP8 TP6 TP5 TP9 TP10 TP11 TP4 TP7 TP3 TP2 TP1 TP P8 TP6 TP5 TP9 TP10 TP11 ...

Page 106: ...85_VRF L533 1000p C540 0 R506 FB503 R505 DNI GND501 L532 8 2nH GSM_PAOUT_LB GSM_PAOUT_HB 3G_RF_BC1 3G_RF_BC5_8 ANT_SEL2 ANT_SEL1 ANT_SEL4 ANT_SEL3 ANT_SEL6 ANT_SEL5 1 1 0 0 0 0 1 1 0 0 UMTS3 1 0 1 0 0 0 1 0 1 0 UMTS2 1 0 0 0 0 0 1 0 0 0 UMTS1 0 0 0 0 0 1 0 0 1 0 1900 Rx 0 0 0 0 0 0 0 0 0 0 1800 Rx 0 0 0 1 0 0 0 1 0 0 900 Rx 0 0 0 1 0 1 0 1 1 0 850 Rx 0 0 0 0 1 1 0 0 1 1 1800 1900 Tx 0 0 0 0 1 0 0 ...

Page 107: ...c All right reserved Only for training and service purposes 4 17 3 Checking GSM Rx part Check TP1 TP2 TP3 Signal exist Check Front End Module Soldering of TPs Rx Still has problem GSM DCS PCS Rx is OK NO NO YES YES START Re download Calibration TP3 TP1 TP2 TP3 TP1 TP2 TP3 TP1 TP2 ...

Page 108: ...TX GSM850_RX1 12 13 GSM850_RX2 14 GSM900_RX1 15 GSM900_RX2 UMTS1 20 UMTS2 21 22 UMTS3 VC1 3 VC2 4 VC3 5 6 VC4 7 VDD ANT 2 GND1 1 10 GND2 8 GND3 23 GND4 24 GND5 GSM1800_1900TX 9 GSM1800_RX1 16 17 GSM1800_RX2 GSM1900_RX1 18 19 LMSP43QL 771 FL501 C516 2 2p 2 2p C522 C536 2 2p 5 1nH L504 C537 2 2p 5 1nH L505 1 5p C539 18nH L503 C533 2 2p 2 2p C527 GSM_PAOUT_LB GSM_PAOUT_HB 3G_RF_BC1 3G_RF_BC5_8 TP1 TP...

Page 109: ...3 TP6 check VBAT line Check TP2 TP3 TP2 EGSM 900 33dBm over TP3 DCS PCS 30dBm over NO YES NO YES Setup Test Equipment Cell Power 60dBm Tx Power Level set EGSM 5 DCS 0 PCS 0 GSM Tx Path is OK Remove U503 and Check the power of pin1 pin7 on board Check TP1 EGSM 900 31dBm DCS1800 29 dBm PCS1900 29 dBm Over The power of pin1 pin7 is 0 3dBm YES Check U504 or Replace U504 YES Replace U503 TP5 TP2 TP4 TP...

Page 110: ... TX_EN VBATT 4 VRAMP 5 TQM7M5005 3 BS BY_CAP1 13 9 BY_CAP2 DCS_PCS_IN 1 DCS_PCS_OUT 12 GND1 14 11 GND2 8 GND3 GSM850_900_IN 7 GSM850_900_OUT U503 C550 27p C551 6p 0 01u C558 C552 6 8p 33u C544 C556 DNI 10K R520 PA_MODE GSM_PAOUT_LB GSM_PAOUT_HB 2G_BS TXON_PA PA_LEVEL Test Point Net name Description TP5 PA_LEVEL Power Amp Gain Control Typically 0 2 1 6V TP4 TXON_PA Power Amp Enable ON 1 25V OFF 0 5...

Page 111: ...ooting of WCDMA Part 4 18 1 Checking VCTCXO Refer to GSM Part 15 16 1 4 18 2 Checking Mobile SW FEM Refer to GSM Part 15 16 2 START Setup Test Equipment Cell Power 74dBm WCDMA Rx CH 10700 WCDMA TX CH 9750 Check Point Mobile SW FEM Check Point VCTCXO Check Point Rx Part Re download S W CAL Check Point Tx Part Mobile SW FEM VCTCXO RF Transceiver WCDMA PAM ...

Page 112: ...NO NO NO NO Check TP1 About 25 5dBm Check SW501 Check TP2 About 27dBm Check FL501 FEM Check TP3 About 29dBm Check FL504 B7684 Change Rx level 80dBm Check TP3 level Check U506 BGA711L7 Set Rx level 25dBm check TP4 level TP3 level 15dBm Check TP5 level TP4 level 2dBm NO Check FL502 YES Rx Still has problem Check U504 and U103 Rx Path is OK YES NO TP1 TP2 TP3 TP4 TP5 TP1 TP2 TP3 TP4 TP5 ...

Page 113: ...G1 2 5 G2 3 IN1 IN2 4 1 OUT C579 2 2u 3 9nH L512 2nH L511 5 VEN VMODE0 4 VMODE1 3 U507 ACPM 7381 GND1 6 7 GND2 9 GND3 11 PGND 2 RFIN RFOUT 8 1 VCC1 VCC2 10 GND2 GND3 GND4 GND5 GND6 RX_OUT TX_IN B7684 FL504 ANT GND1 2 7nH L514 220p C580 L517 5 1nH C564 47p 22nH L518 2 7nH L528 3G_PA_MODE1 3G_RF_BC1 3G_RX_BC1 3G_RX_BC1X 3G_TX_BC1X 3G_LNA_CTRL_BC1 3G_LNA_GAIN_CTRL 3G_PAEN_BC1 3G_TX_BC1 L515 5 6nH 12p...

Page 114: ...f TP7 8 same to Table1 2 TP6 check VBAT line TP7 8 Check U103 Check TP4 leve 0 5dBm TP4 level TP5 1 5dBm NO YES YES Setup Test Equipment Cell Power 60dBm UL CL PWR Crtl Parameter All up bits WCDMA Tx Path is OK Check U504 or Check FL503 Check TP3 TP3 level 25 5dBm over YES NO Check U507 NO Check TP2 TP3 level 24dBm over Check TP1 TP3 level 22dBm over Check FL504 NO Check FL501 FEM ...

Page 115: ... 10p C563 C574 4p FL503 SAFEB1G95FL0F00 G1 2 5 G2 3 IN1 IN2 4 1 OUT C579 2 2u 3 9nH L512 2nH L511 5 VEN VMODE0 4 VMODE1 3 U507 ACPM 7381 GND1 6 7 GND2 9 GND3 11 PGND 2 RFIN RFOUT 8 1 VCC1 VCC2 10 GND2 GND3 GND4 GND5 GND6 RX_OUT TX_IN B7684 FL504 ANT GND1 2 7nH L514 220p C580 L517 5 1nH C564 47p 22nH L518 2 7nH L528 3G_PA_MODE1 3G_RF_BC1 3G_RX_BC1 3G_RX_BC1X 3G_TX_BC1X 3G_LNA_CTRL_BC1 3G_LNA_GAIN_C...

Page 116: ...ining and service purposes Power Mode Symbol Ven TP8 Vmode0 TP7 Vmode1 Range High Power Mode PR3 High Low Low 28dBm Mid Power Mode PR2 High High Low 16dBm Shut Down Mode Low Test Point Net name Description TP6 VBAT PAM Supply Voltage Vcc 3V TP7 3G_PA_MODE1 High 1 9 2 9V Low 0 0V 0 5V TP8 3G_PAEN_BC1 High 1 9 2 9V Low 0 0V 0 5V ...

Page 117: ...Inc All right reserved Only for training and service purposes 5 DOWNLOAD 5 DOWNLOAD 118 5 1 USB Driver Installation to Download 1 Run Setup exe for Installation Infineon usb driver 2 Click Install button 3 Click Exit button after installation completion ...

Page 118: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 DOWNLOAD 119 1 Run LGE_GSM_Device_Driver_OMAPV1030_1 0 for Installation Infineon usb driver ...

Page 119: ...w usb device 3 Check Install the software automatically Recommended button install driver for the device or set specific location 4 In case of Infineon Flash Loader utility will be installed In case of Neptune LGE GSM Device OMAPV1030 will be installed 5 If you have several usb ports for usb download you have to repeat installation from No 1 to No 3 for each the usb port Eg In case of Infineon Fla...

Page 120: ...g and service purposes 5 DOWNLOAD 121 5 3 USB Port Mapping 1 Run USB Map Program and check solution click mapping start 2 Connect the usb or nexus cable with the device in order of port number 3 If you have the disable port click SKIP button 4 After mapping is completed click Save Exit button ...

Page 121: ...nternal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 4 Configuration to Download 1 Install 2 Dobule Click GSMULTI 3 Execute MultiGSM_V30 exe 4 Setting Configuration ...

Page 122: ...Electronics Inc All right reserved Only for training and service purposes 5 Select Model DL file and binary file 6 If the model is supported USB download USB button will be appeared 7 If the model is supported both interface you can choice one 8 Click START ...

Page 123: ...Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 5 5 Nexus setting Nexus 3 setting Nexus 2 setting CABLE MMI18P COMM CABLE MMI18P COMM CABLE MMI18P COMM CABLE MMI18P COMM 4 0V M3 mode 4 0V M0 mode ...

Page 124: ...6 MEM_CS2_N N15 MEM_CS3_N MEM_CSA0_N G17 MEM_CSA1_N H15 MEM_CSA2_N H14 H13 MEM_CSA3_N MEM_RAS_N H12 MEM_A 20 J15 G18 MEM_A 21 MEM_A 22 K16 MEM_A 23 D19 K15 MEM_A 24 MEM_A 25 H16 J16 MEM_A 26 G16 MEM_A 2 F14 MEM_A 3 MEM_A 4 E15 F16 MEM_A 5 G14 MEM_A 6 MEM_A 7 E14 E13 MEM_A 8 F13 MEM_A 9 MEM_BC0_N F17 MEM_AD 6 M18 M17 MEM_AD 7 MEM_AD 8 T18 MEM_AD 9 R18 G15 MEM_A 0 MEM_A 10 G13 E11 MEM_A 11 E12 MEM_A...

Page 125: ...K2 SD2_FB L2 SD2_FBL SE0_VM B2 L9 SENSE_IN1 SENSE_IN2 K10 SLEEP1_N E2 E1 SLEEP2_N FLASH_ON C9 A9 FLASH_SHINK I2C_CLK J7 K6 I2C_DAT I2C_INT K5 C5 MONO_INN B6 MONO_INP A6 MONO_OUTN A7 MONO_OUTP C4 OE_N ON_OFF1 K4 ON_OFF2 L4 ON_OFF_OUT L5 J4 OUTPORT POWER_ON K3 PUMS1 A1 AC B3 C3 AC BL1_PWM L6 K7 BL2_PWM BL3_PWM J8 L8 CHARGE_UC L7 CH_CNTRL CH_SOURCE K8 D C1 D2 D A2 DAT_VP 1u VUSB U202 PMB6821 C207 VIN...

Page 126: ...OUT 5 PGND VDD 4 309 BU52031NVX U302 C311 22p 47 R310 C331 varistor VA308 DNI 0 R321 VA301 PRSB6 8C DNI C332 2V9_VMME 2V85_VLCD DAT2 DETECT_A DETECT_B DUMMY1 DUMMY2 DUMMY3 GND VDD VSS 1800 FB302 S301 AXA463062P CD_DAT3 CLK CMD DAT0 DAT1_2 10p C305 220 R330 PRSB6 8C 0 1u VA302 1800 C316 4 GND1 3 GND2 6 10 S0 S1 7 9 VCC1 VCC2 12 FB305 U301 NLAS3158MNR2G 2 0B0 0B1 11 5 1B0 8 1B1 1 A0 A1 100K C326 0 1...

Page 127: ...ATUS_GPIO3 E9 B5 BT_WAKE_GPIO_0 H7 GPIO7_TX_PU_TDDN_TX_PU_TDO_USB HOST_WAKE_USB_DETACH_GPIO_1 B6 HUSB_DN J8 J7 C423 39p 1V8_CAMIO 1V8_SD C1 OUT D5 OUT B5 PGND C4 PVDD C5 D4 RXIN RXIN B4 C3 SCL B3 SDA VDD B1 VSS A3 TP405 U401 MAX9877AEWP_TG45 BIAS B2 A4 C1N A5 C1P GND D3 A2 HPL A1 HPR D2 INA1 D1 INA2 INB1 C2 INB2 C441 100p 0 1u C401 L402 NA ROUT SCLK 7 8 SDIO 16 VA 11 VD VIO 10 5 _RST 6 _SEN TP403 ...

Page 128: ...TMX L10 L2 TXQ K1 B1 C1 RX4X F8 RXBAND1 RXBAND2 E10 D10 RXBAND3 A6 RXI E11 RXINH RXINHX F11 RXINL C11 RXINLX D11 G11 RXINM H11 RXINMX RXIX C6 A4 RXQ RXQX A5 TX1 L7 L8 K9 J8 IX J11 LD MASTERON C3 A1 NC1 NC2 A11 L1 NC3 NC4 L11 H7 Q H8 QX RX1 H1 J1 RX1X RX2 F1 G1 RX2X RX3 D1 E1 RX3X RX4 G5 GND22 G6 G7 GND23 GND24 G8 H4 GND25 GND26 H6 J6 GND27 GND28 J7 GND29 K7 GND3 C8 C10 GND4 GND5 D4 D5 GND6 GND7 D6...

Page 129: ...T803 2V85_VLCD END VA807 EVLC5S0250 VA808 EVLC5S0250 LD807 LEBB S14E LD808 LEBB S14E VA806 EVLC5S0250 LD801 LEBB S14E DOWN EVLC5S02100 VA813 36 37 38 39 4 40 5 6 7 8 9 21 22 23 24 25 26 27 28 29 3 30 31 32 33 34 35 G2 G3 G4 1 10 11 12 13 14 15 16 17 18 19 2 20 CN801 G1 VA805 EVLC5S0250 C805 18p R804 150 150 R801 VA802 EVLC5S0250 LCD_VSYNC _LCD_CS1 LCD_CD _LCD_WR KEYOUT5 KEYIN3 KEYIN4 KEYIN5 KEYOUT...

Page 130: ... KEYIN5 KEYOUT3 KEYOUT2 KEYOUT1 LCD_D5 LCD_D4 LCD_D3 LCD_D2 LCD_D1 LCD_D0 END_KEY SPK_RCV_P SPK_RCV_N KEYOUT2 KEYOUT3 KEYOUT1 KEYOUT5 KEYIN4 CAM_MCLK_IN VT_CAM_RESET VT_PWR_EN SCL SDA CAM_HSYNC CAM_VSYNC _LCD_WR LCD_CD _LCD_CS1 LCD_VSYNC LCD_D7 LCD_D6 MLED2 MLED3 MLED UPPER_KEY_LED CAM_DATA_OUT2 CAM_DATA_OUT3 CAM_DATA_OUT1 CAM_DATA_OUT0 CAM_DATA_OUT4 CAM_DATA_OUT5 CAM_DATA_OUT6 CAM_DATA_OUT7 CAM_P...

Page 131: ... 132 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 132: ... 133 7 BGM PIN MAP 7 BGM PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes PMB6952 Pin Configuration Top View NC Pin NC Pin ...

Page 133: ... 134 7 BGM PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes BCM2046SB1 Pin Configuration Top View NC Pin NC Pin ...

Page 134: ... 135 7 BGM PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes PMB6821 Pin Configuration Top View NC Pin NC Pin ...

Page 135: ... 136 7 BGM PIN MAP LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes TY9000A000TMGF NC Not Count ...

Page 136: ... Configuration Top View A B C D E F G H J K L M N P R T U V W Y AA AB AC AD AE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 NC Pin A B C D E F G H J K L M N P R T U V W Y AA AB AC AD AE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 A B C D E F G H J K L M N P R T U V W Y AA AB AC AD AE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 NC Pin ...

Page 137: ... 138 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 138: ...Filter No LCD display CN302 FPCB Con No Display No Camera No Power ON No Sound No Motor No Function key U302 Hall IC No Display Slide up down U204 Back light Charge Pump No Display No Camera View FL403 BT BPF No Blue tooth U403 BT Module No Blue tooth LD301 LD302 No Key Backlight FL101 FL102 EMI Filter No key operate Q301 Power management TR No Motor Q201 Q202 Switch No power on ...

Page 139: ... SIM J301 SIM Carder No SIM MIC401 Microphone No Voice U203 Charging IC No Charging U401 Audio Amp No sound X501 No Power ON U504 PMB6952 No Service U507 WCDMA PAM No WCDMA Tx Power No Service CN301 MMI Con No USB No Charging No Ear Mic FL504 WCDMA SAW Duplexer WCDMA Rx Tx power No Service FL501FEM WCDMA GSM Rx Sensitivity Tx Power No Service U103 PMB8868 No Power On No Display No Service U102 MCP...

Page 140: ... 141 8 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LD801 LD808 LED No Function Backlight ...

Page 141: ... 142 8 PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN801 FPCB Sub Con No Display No Navi Key CN802 LCD Con No Display ...

Page 142: ...nal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN902 FPCB Sub Con No Display No Navi Key CN903 FPCB Sub Con No Display No Camera No Power ON No Sound No Motor No Navi key ...

Page 143: ... PCB LAYOUT LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes CN901 Speaker Pad No Sound CN904 VGA CAM Con No VGA Cam VB901 Speaker Pad No Motor ...

Page 144: ...9 RF CALIBRATION LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 9 1 Test Equipment Setup 9 2 Calibration Step 9 2 1 Turn on the Phone 9 2 2 Execute HK_27 exe ...

Page 145: ...zlooks menu such as the following figure LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Adjust the number of times Adjust the number of times Adjust the number of times Adjust the number of times ...

Page 146: ... Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes PWR Power Supply CELL Call Test Equipment Setup UART port PWR Power Supply CELL Call Test Equipment Setup UART port PWR Power Supply CELL Call Test Equipment Setup UART port PWR Power Supply CELL Call Test Equipment Setup UART port ...

Page 147: ...lick START for RF calibration 9 2 9 RF Calibration finishes LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes Select Model Start Select Model Start Select Model Start Select Model Start ...

Page 148: ...will be saved to the following folder Notices 1 The state of Phone is test mode during the CALIBRATION 2 Calibration program automatically changes either normal mode or ptest mode 3 Phone operation Mode Saving Format Year month day Pass Saving Format Year month day Pass Saving Format Year month day Pass Saving Format Year month day Pass Normal Mode Ptest Mode ...

Page 149: ...LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes 150 ...

Page 150: ...50 48 47 46 43 42 44 49 41 40 39 38 20 29 28 27 26 25 23 24 22 21 19 18 45 32 33 31 30 10 10 EXPLODED VIEW REPLACEMENT PART LIST 10 1 EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 151: ... 152 A B C D E F I J K L K J I H G F E D C B A L G H ASS Y EXPLODED VIEW LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...

Page 152: ... DIA 4 0 White 44 4 MPBT00 PAD CAMERA MPBT0060801 COMPLEX empty Without Color 43 4 MPBZ00 PAD MPBZ0222801 COMPLEX empty Without Color 4 MTAA00 TAPE DECO MTAA0163901 COMPLEX empty Without Color H 38 4 MTAB00 TAPE PROTECTION MTAB0250801 COMPLEX empty Without Color 4 MWAE00 WINDOW CAMERA MWAE0037101 CUTTING STS Titanium Black 3 ACGQ COVER ASSY SLIDE ACGQ0029301 Titanium Black 4 ACGK00 COVER ASSY FRON...

Page 153: ...anium Black B 5 MBFF00 BRACKET LCD MBFF0020001 PRESS STS Silver 7 5 MCJW00 COVER SLIDE UPPER MCJW0020401 MOLD PC LUPOY SC 1004A Titanium Black 4 5 MFBC00 FILTER SPEAKER MFBC0041601 COMPLEX empty Without Color 6 5 MPBG00 PAD LCD MPBG0081001 COMPLEX empty Without Color 9 5 MTAD00 TAPE WINDOW MTAD0090201 COMPLEX empty Without Color 3 5 MTAF00 TAPE MOTOR MTAF0019801 COMPLEX empty Without Color 5 4 ARD...

Page 154: ...t Color 14 4 MLAZ00 LABEL MLAZ0038303 PRINTING empty White 4 MPBU00 PAD CONNECTOR MPBU0046501 COMPLEX empty Without Color 17 4 MPFZ00 PLATE MPFZ0035301 COMPLEX empty Without Color 27 4 MTAB00 TAPE PROTECTION MTAB0244501 COMPLEX empty Without Color A 1 4 MWAC00 WINDOW LCD MWAC0102701 CUTTING PMMA MR 200 Titanium Black 2 6 ADCA00 DOME ASSY METAL ADCA0083101 Without Color 10 3 GMEY00 SCREW MACHINE BI...

Page 155: ...SERT SAEB0026301 5 SAEE00 PCB ASSY KEYPAD SMT SAEE0030701 6 SAEC00 PCB ASSY KEYPAD SMT BOTTOM SAEC0029501 7 C801 CAP CHIP MAKER ECZH0001215 1 uF 10V K X5R TC 1005 R TP 7 C802 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 7 C805 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 7 C806 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 7 CN801 CONNECTOR BOARD TO BOARD EN...

Page 156: ... RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R802 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R803 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R804 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R805 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R806 RES CHIP MAKER ERHZ0000420 150 ohm 1 16W J 1005 R TP 7 R807 RES CHIP MAKER ERHZ0000420 150 ohm 1 16...

Page 157: ...V K X7R HD 1005 R TP 6 C104 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C105 CAP CERAMIC CHIP ECCH0000198 2 2 uF 6 3V M X5R TC 1005 R TP 6 C107 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C108 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C110 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C111 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD...

Page 158: ...V K X7R HD 1005 R TP 6 C138 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C139 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C140 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C141 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 6 C142 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 6 C143 CAP CHIP MAKER ECZH0001216 220 nF 10V K X5R TC 100...

Page 159: ...V J NP0 TC 1005 R TP 6 C313 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C314 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C315 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C322 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C323 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C32...

Page 160: ... NP0 TC 1005 R TP 6 C424 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C427 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C428 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C429 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C430 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C431 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 10...

Page 161: ...F 10V K X7R HD 1005 R TP 6 C529 CAP CHIP MAKER ECZH0000813 100 pF 50V J NP0 TC 1005 R TP 6 C530 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C531 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C532 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C533 CAP CERAMIC CHIP ECCH0000901 2 2 pF 50V C NP0 TC 1005 R TP 6 C534 CAP CERAMIC CHIP ECCH0000180 3 3 pF 50V C NP0...

Page 162: ...H0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C562 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C563 CAP CERAMIC CHIP ECCH0000110 10 pF 50V D NP0 TC 1005 R TP 6 C564 CAP CERAMIC CHIP ECCH0000122 47 pF 50V J NP0 TC 1005 R TP 6 C567 CAP CERAMIC CHIP ECCH0000155 10 nF 16V K X7R HD 1005 R TP 6 C568 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C569 CAP CHIP MAKER ECZH0000813 100 ...

Page 163: ...6 FB503 FILTER BEAD CHIP SFBH0009901 120 ohm 1005 6 FL302 FILTER EMI POWER SFEY0015301 SMD Pb free_Bais Filter LCR 6 FL303 FILTER EMI POWER SFEY0015301 SMD Pb free_Bais Filter LCR 6 FL501 FILTER SEPERATOR SFAY0011901 dB dB dB dB 4532 WCDMA Quad Triple 6280 IFX 6 FL502 FILTER SAW SFSY0029201 2140 MHz 1 35 1 05 0 6 SMD Pb free_WCDMA_Rx_200ohm 6 FL503 FILTER SAW SFSY0032901 1950 MHz 1 4 1 1 0 6 SMD 1...

Page 164: ... PBFREE 6 L517 INDUCTOR CHIP ELCH0003814 5 1 nH S 1005 R TP 5 1nH 1005 6 L518 INDUCTOR CHIP ELCH0004711 22 nH J 1005 R TP 6 L528 INDUCTOR CHIP ELCH0004708 2 7 nH S 1005 R TP 6 L532 INDUCTOR CHIP ELCH0004705 8 2 nH J 1005 R TP 6 L533 INDUCTOR CHIP ELCH0004714 18 nH J 1005 R TP 6 MIC401 MICROPHONE SUMY0010610 UNIT 42 dB 4 72 3 76 1 25 mems TDMA Improve OMNI empty SMD 6 R101 RES CHIP MAKER ERHZ000020...

Page 165: ...1 16W F 1005 R TP 6 R229 RES CHIP MAKER ERHZ0003203 11 3 Kohm 1 16W F 1005 R TP 6 R230 RES CHIP ERHY0000129 18K ohm 1 16W F 1005 R TP 6 R303 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 6 R304 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R305 PCB ASSY MAIN PAD OPEN SAFO0000401 0OHM DNI 6 R306 RES CHIP MAKER ERHZ0000203 10 Kohm 1 16W F 1005 R TP 6 R307 RES CHIP MAKER ERHZ0000529 ...

Page 166: ...SSY MAIN PAD OPEN SAFO0000501 0OHM_1005_DNI 6 R506 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R507 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R508 PCB ASSY MAIN PAD OPEN SAFO0000501 0OHM_1005_DNI 6 R509 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R510 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R511 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R512 RES CHIP ERHY0003201 1000 ohm 1 16W F 1005...

Page 167: ... 6 U502 IC EUSY0196901 SC70 5 5 PIN R TP Single Inverter Pb Free 6 U503 PAM SMPY0017901 dBm A dBc dB 5x5 SMD IFX Linear Edge R TP R TP 6 U504 IC EUSY0355201 BGA 121 PIN R TP EDGE UMTS RF Transceiver IC CMOS 6 U505 IC EUSY0154001 US8 8 PIN R TP Dual 2 Input OR Gate Pb Free 6 U506 IC EUSY0365401 TSLP 7 7 R TP WCDMA BAND1 NF 1 2dB Gain15 5 2x1 3x0 39 IC RF Amplifier 6 U507 PAM SMPY0015501 28 dBm 40 9...

Page 168: ...ERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 C220 CAP CERAMIC CHIP ECCH0007802 4 7 uF 10V M X5R TC 1608 R TP 6 C221 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty empty 0 8 mm 6 C222 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C223 CAP CERAMIC CHIP ECCH0005604 10000000 pF 6 3V M X5R TC 1608 R TP empty empty empty empty empty...

Page 169: ...V K X7R HD 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0000113 18 pF 50V J NP0 TC 1005 R TP 6 C311 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C316 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C317 CAP CHIP MAKER ECZH0003103 0 1 uF 10V K X7R HD 1005 R TP 6 C318 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C319 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1...

Page 170: ...CHIP FERRITE BEAD BLM11 6 FB204 FILTER BEAD CHIP SFBH0008104 1000 ohm 1005 Bead 250mA 1 25ohm 1000ohm empty empty 6 FB205 FILTER BEAD CHIP SFBH0008104 1000 ohm 1005 Bead 250mA 1 25ohm 1000ohm empty empty 6 FB206 FILTER BEAD CHIP SFBH0008104 1000 ohm 1005 Bead 250mA 1 25ohm 1000ohm empty empty 6 FB207 FILTER BEAD CHIP SFBH0008104 1000 ohm 1005 Bead 250mA 1 25ohm 1000ohm empty empty 6 FB308 FILTER B...

Page 171: ... Kohm 1 16W J 1005 R TP 6 R125 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R126 RES CHIP MAKER ERHZ0000204 100 Kohm 1 16W F 1005 R TP 6 R130 RES CHIP MAKER ERHZ0000486 47 Kohm 1 16W J 1005 R TP 6 R202 RES CHIP MAKER ERHZ0000406 100 Kohm 1 16W J 1005 R TP 6 R207 RES CHIP ERHY0000298 3 3M ohm 1 16W J 1005 R TP 6 R208 PCB ASSY MAIN PAD SHORT SAFP0000501 6 R209 RES CHIP MAKER ERHZ0000454 27...

Page 172: ...R ERHZ0000405 10 Kohm 1 16W J 1005 R TP 6 R404 RES CHIP MAKER ERHZ0000435 20 ohm 1 16W J 1005 R TP 6 R408 RES CHIP MAKER ERHZ0000435 20 ohm 1 16W J 1005 R TP 6 R409 PCB ASSY MAIN PAD OPEN SAFO0000401 0OHM DNI 6 R410 PCB ASSY MAIN PAD SHORT SAFP0000401 6 R413 RES CHIP MAKER ERHZ0000222 150 Kohm 1 16W F 1005 R TP 6 R417 PCB ASSY MAIN PAD SHORT SAFP0000401 6 R418 PCB ASSY MAIN PAD SHORT SAFP0000401 6...

Page 173: ...cription Part Number Spec Color Remark 3 SBPL00 BATTERY PACK LI ION SBPL0089902 3 7 V 900 mAh 1 CELL PRISMATIC KU380 Europe IP BATT Pb Free 3 7V 900mAh 0 2C PRISMATIC 50x34x46 BLACK Innerpack Europe Label Black 3 SSAD00 ADAPTOR AC DC SSAD0025001 100 240V 5060 Hz 5 1 V 7 A CE AC DC ADAPTOR 85Vac 264Vac 5 1V 0 15V 0 2V 700mA 5060 WALL 2P I O CONNECTOR ADAPTOR AC DC SSAD0025002 100 240V 5060 Hz 5 1 V...

Page 174: ...Note ...

Page 175: ...Note ...

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