Page 1 Service Manual KE590 Date: November, 2007 / Issue 1.0...
Page 2: Table Of Contents
Trouble Shooting......... 94 <Main component> ......150 4.15 Ear-Mic Headset MIC Trouble 11.3 Accessory ......... 165 Shooting..........95 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...
Page 4: Introduction
D. Maintenance Limitations Maintenance limitations on the KE590 must be performed only at the LGE or its authorized agents. The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that un authorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty.
Page 5: Performance
2. Performance 2. Performance 2.1 Product Name KE590 : GPRS Class 10 / EDGE Class 10 2.2 Supporting Standard Item Feature Comment Supporting Standard EGSM/DCS1800/PCS1900 with seamless handover Phase 2+(include AMR) SIM Toolkit : Class 1,2,3,E Frequency Range EGSM TX : 880 - 915 MHz...
Page 6: Hw Feature
262K Color TFT (176 x 220) Backlight : White LED Built-in Camera 2M CMOS Camera One button access Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
Page 7 Voice Recording Speaker Phone mode Support Travel Adapter CDROM Stereo Headset Optional Data Cable Optional T-Flash (External Memory) Optional LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
Page 8 Voice Memo Call Reminder Network Selection Automatic Mute Call Divert Call Barring Call Charge (AoC) No for Cingular Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
Page 9 2M F/F / Digital Zoom : x4 JAVA CLDC V1.1 / MIDP V2.0 Download Over WAP Voice Dial LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...
Page 10 Class 10 EDGE Class 10 Hold / Retrieve Conference Call Max. 6 DTMF Memo pad Sync ML Email Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...
Page 11: Technical Specification
8 dBm 22 dBm 6 dBm 20 dBm 4 dBm 18 dBm 2 dBm 16 dBm 0 dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...
Page 12 3,000~ <6,000 6,000 GSM900 Offset from Carrier (kHz) Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
Page 13 * Mean that Adopt a straight line in between 300 Hz and 1,000 Hz to be Max. level in the range. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
Page 14 2. Test distance set as 50 cm Fast Charge : < 550 mA Charge Voltage Slow Charge: < 60 mA Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
Page 15 Battery full charge voltage = 4.2 V Capacity: 800mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60Hz Out put: 5.1V, 700mA LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
Page 16: Circuit Description
In addition, the baseband section integrates A/D and D/A converters which provide automatic on-chip correction of DC offsets. <Fig.1> Receiver Part Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 -...
Page 17 DAC which cancels the DC offset at the output. The sequencer ensures that on-chip filters have sufficient time to settle before applying correction in the next digital offset cancellation stage. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
Page 18: Transmitter Part
Three main functions are identified in the transmitter architecture; I/Q vector modulation at IF frequency, amplitude and phase loop at IF/RF frequencies and power amplification. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 -...
Page 19 3. Circuit Description 3.2.3 RF Systhesiser 3.2.4 Front End Module Specification 3.2.4.1 Block Diagram and Internal Matching Condition HWXR693 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
Page 20: Power Amplifier Module
-. Bulit-in LDO circuit -. GPRS Class 12 operation compatible -. Integrated directional coupler 3.2.5.2 Circuit Diagram and peripheral components RPF09036B Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
Page 21 3. Circuit Description 3.2.6 Digital Core 3.2.6.1 Digital Interface Block Diagram Fig. 1-1 Digital Interface Block Digram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
Page 22 SysClkEn is negated, the SysClk is held low, and if the TEST1 pin is low by the default settings, the logic power supply by typical 1.8 volts to the internal core logic circuits is also switched off. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 23: Digital Baseband
- A DSP subsystem based on a UMA 2.6 architecture integrating a C55x DSP core The OMAPV1030’s silicon process technology is a c027.0 90-nm digital CMOS. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
Page 24: Block Description
The other OMAPV1030 modules or subsystems are connected to the OMAP3.4 platform through the L3 and L4 interconnects. <Fig.7> OMAPV1030 Top-Level Architecture Overview Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
Page 25 - The second one is based on a two-wire bidirectional scheme: one wire for data in/out, and one for control receive/transmit. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
Page 26 - The serial radio interface module is used for the two-wire data interface. - A system clock interface receives a squared 26-MHz clock from the RF IC. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 27: Sim Interface
VRUSIM(Power supply VCC) : 3 V 10% (class B) or 1.8 V 10% (class C) Misc_ext_irq : USIM card presence detection (USIM_CD) purposes. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
Page 28: Uart Interface
3. Circuit Description 3.3.5 UART Interface KE590 has Three UART Drivers as follow : - UART1 : USB - UART2 : ETM, Calibration - UART3 : AT command, Fax_modem, Bluetooth UART1(USB) Resource Name Description USB_DP Data USB_DM Data USB_PWR POWER...
Page 29 3. Circuit Description 3.3.6 GPIO Map In total 22 allowable resources, KE590 is using 9 resources except 3 resources dedicated to SIM and Memory. KE590 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level, is shown in below table 3.
Page 30: Camera Interface
3. Circuit Description 3.3.7 Camera interface KE590 have a 8-bit parallel camera interface(NOBT Mode) . This is a general parallel interface with vertical and horizontal synchronization signals.(See. Figure 12) The maximum clock is 96 MHz for 8- bit data data, or 48 MHz for 10- or 12-bit data.
Page 31: Analog Baseband
- A JTAG and boundary scan - A USB 2.0 OTG transceiver with a carkit interface <Fig.11> TWL3029 Architecture LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
Page 32 3.4.3 Power Resources The power supply module of Triton generates the different power supplies required by Triton, the processors and the external peripherals. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 - Only for training and service purposes...
Page 33 VRDBB VRDBB 15mA 0.95v to 1.4v VFDBB DBB core 600mA GND_PWR4 GND_PWR1 GNDDBB tranceiver <Fig.12> Power Supply Scheme LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
Page 34 Battery Detect <Table.5> ADC Channel Spec 3.4.5 Switch ON/OFF KE590 Power State : Defined 4cases as follow - Power-ON : mobile is powered by main battery or backup battery. - Power-OFF : mobile isn’t any battery. - Switch-ON : mobile is powered and waken up from switch-off state.
Page 35: Lcd Module
Pixel format RGB Vertical Stripe Dot pitch 0.06(H)*0.18(V) Display operating mode Transmissive type User viewing angle O’ clock LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
Page 37 KBC3 KBC4 KBR0 KBR1 KBR2 KBR3 VOL_UP VOL_DOWN CAMERA KBR4 HOT_UP HOT_DOWN HOT_LEFT HOT_RIGHT KBR5 SOFT_LEFT SOFT_RIGHT SEND LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
Page 38 UART3 (Transmit Data) VBUS USB POWER( +5.0 V) UART2_TX TEST : UART2 (Transmit Data) UART2_RX TEST : UART2 (Receive Data) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
Page 39: Bluetooth Interface
Connect the digital and analog ground in the 4 layer, do not connect on the top layer RFIO_OUT DBF81H903 FB100 RF_P SC100 GND1 ANT100 ANT101 R119 UNBL R120 R121 C124 RF_M 100p LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...
Page 40: Pin Description
High Z with PD, except when transmitting voice samples GPIO0 EXT_CLK_REQ_OUT GPIO1 EXT_CLK_REQ_IN HCI UART INTERFACE HCI_RX HCI UART data receive HCI_TX HCI UART data transmit Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
Page 41 BT Module interface with DBB(U102) through UART and PCM port and radiate RF signal through BT Antenna. 3.5.4 Bluetooth Block Diagram Figure 2-1. BRF6150 Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...
Page 42: Trouble Shooting
U404 : Power Amplifier Module(RPF09036B) U405 : 2.8V Regulator U406 : 2.8V Regulator FL401 : Front End Module(HWXR693) X401 : DCXO-26MHz Clock Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 - Only for training and service purposes...
Page 43 C435 0.01u 2.2u U405 REGEN C_VCCRF TPS79928DRVR U406 PGND C436 C437 0.01u 2.2u U406 <Fig.1> Regulator Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...
Page 44 VREG RPF09036B 0.1u VBAT2 SMPY0014901 GND5 BAND_SELECT POUT_XCS PIN_XCS R416 1nH C431 C432 0.5p <Fig.2> PAFEM Circuit Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
Page 45 EGSMRX1 G90LNAIB G90G85GND VC_EGSMGSM850TX GSM850RX2 G85LNAI VC_DCSPCSTX GSM850RX1 G85LNAIB G85GND GNDLNA_TX1 TXON <Fig.3> SAW Filter Bank Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...
Page 46 (NC) (NC) (NC) C421 SYSCLKEN (ABB) C419 0.01u R412 R413 C_VCCRF C422 0.01u <Fig.4> RF Transceiver Circuit Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
Page 47 Produce RF and BB reference Clock - 26MHz Clock. C406 33nF C409 X401 GNDVCXO_OR VOUTEF2 C412 <Fig.5> DCXO Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
Page 48: Rf Part Trouble Shooting
3. Check FEM Circuit (FL401) 4. Check Transceiver Circuit (U403) 5. Check Mobile Switch (SW401) Re-download SW & CAL Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
Page 49 PGND C434 C435 0.01u 2.2u REGEN C_VCCRF TPS79928DRVR U406 PGND C436 C437 0.01u 2.2u <Fig.1> Regulator Circuit Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
Page 50 GNDVCXO_OR VOUTEF2 <Fig.2> DCXO Circuit Diagram R405 DCXO C409 DCXO is C409 26MHz? Check U403 <Flow chart> <Wave> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...
Page 51 (With spectrum analyzer) FL401 Check Control Signal Check U403 C418,C420,C423,C426 Re-download SW & CAL VC_EGSM/DCS_TX (C418/C420) TX_BAND(R418) TX_ON(C421) GSM900 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...
Page 52 SYSCLKEN (ABB) C419 0.01u R412 R413 C_VCCRF C422 0.01u U401 C423 <Fig.3> Main Transceiver Circuit Diagram SYSCLK SYSCLKEN Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...
Page 53 3. Check FEM Circuit (FL401) 4. Check Transceiver Circuit (U403) 5. Check Mobile Switch (SW401) Re-download SW & CAL LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
Page 54 4.2.2.3 Mobile Switch & PAM & FEM Circuit C415 C418 FL401 C420 U404 R408 U403 C420 Mobile Switch C426 C423 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...
Page 55 U404 Check C415 Check (With spectrum analyzer) FL401 Check Control Signal Check U403 C418,C420,C423,C426 Re-download SW & CAL LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
Page 56: Bluetooth Trouble Shooting
Check BT_RF_OUT Check FB100(Banun Filter) (Refer to figure 5) Check DBB(U104) Re-Download S/W Replace BT Module & Analog switch Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...
Page 57 4.3.1.2 Checking BT VRIO Checking pin A3,D8,H6(R307) 1.8V High Check ABB Check 1.8V High C103 R101 Check BT_CLK <Fig. 2> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...
Page 58 4.3.1.4 Checking BT CLK REQ Checking BT_CLK_REQ BT CLK REQ R106 Check BT_CLK_REQ 1.28s SYS_CLK_EN BT_CLK_REQ <Fig. 3> <Sleep Mode> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...
Page 59 ANT101 R119 UNBL R120 R121 C124 RF_M 100p Check with Spectrum Analyzer in BT Equipment connection status. R119 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
Page 60: Baseband Part Troubleshooting
- Check the output voltages of all LDOs. CN203 R211 KBC(2) R210 PWON VA209 VA210 VA211 EVLC5S02100 <Fig. 1> Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
Page 61 C144 : VRIO => 1.8v C145 : VRABB => 2.8v C146 : VRMEM => 1.8v C147 : VRPLL => 1.3v / 1.4v LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
Page 63 Replace Main FPCB Main FPCB is OK? U103( Main) check ? Replace the U103(Main) Booting is operating properly R210 CN203 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
Page 64: Charging Trouble Shooting
3.62V~3.5V(STB) 3.5V~3.35V *STB : Standby mode (❇ When talk mode, the battery icon starts blinking below 3.62V level) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
Page 65 U102 ISL6299 CRDL IMIN _PPR _CHG _CHG_STAT ICDL USBON CHG_EN PGND R118 C113 C114 C115 1 uF 100K LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
Page 66 The Battery may have Problem. Battery is OK? Change Battery Charging is operating properly U102 FB301 FB302 Pin 13,14 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...
Page 67: Lcd Display Trouble
- The FPCB which connects the LCD Module z Trouble Shooting Setup - Connect PIF Jig, and Power on LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
Page 68 DIF_VSYNC INOUT_A4 INOUT_B4 DIF_RESET VCAM_28 R106 KBC(2) VCAM_18 KBC(3) KBC(4) CAM_PWON VA100 53 54 ICVL0518400V500FR C100 C101 0.1u Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...
Page 69 Main PCB Connector< CN201 > 4.5.3 Check Point #3 - Main PCB FPCB Connector < CN105 > EMI filter LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
Page 70 - You must check signals LCD Connector Side of a Main FPCB because you could check final signal states through EMI Filter, connector, FPCB and etc. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 -...
Page 71 After changing the board, The LCD is broken. LCD Display is OK? Change the LCD. Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
Page 72: Camera Trouble Shooting
Trouble Shooting Setup - Enter the engineering mode. - Go to menu ‘2.Baseband -> 3.Camera -> 1.Main LCD Preview’ Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...
Page 73 4.6.1 Check Point #1 - Connection of Camera Module Camera module CAM_RS T CAM_D(4 ) 2.8V Point 1.5V Point CAM_PCLK CAM_HS 1.8V CAM_VS CAM_MCLK Point LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
Page 74 Slide PCB Connector< CN100 > Slide PCB Connector< CN101 > of FPCB Main PCB Connector< CN102 > of FPCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...
Page 75 4. TROUBLE SHOOTING 4.6.3 Check Point #3 - Main PCB Main Connector< CN201> Camera Control Signal (CAM_MCLK, PCLK, HS, VS) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
Page 76 - You must check camera signals at a Connector Side of a Main FPCB because you could check final signal states through connector, FPCB and etc. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 -...
Page 77 Replace the FPCB The Camera is broken. After changing the board, Change the Camera. Camera is OK? Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
Page 78: Flash Led Trouble Shooting
Check Point - Check the connection status - Check the soldering of Componets - Check the FLASH_LED signal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
Page 79 EN_FLSH ISINK2 LED_CA2 ISINK3 LED_CA3 R131 R145 LCD_BL_EN EN_SET ISINK4 C114 C115 C116 C117 U104 R132 AAT2805IXN-4.5-T1 100K LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
Page 80 FPCB OK? The LED is broken. After changing the board, Change the LED. LED is OK? Change the board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
Page 81: Sim Detect Trouble Shooting
SIM_RnW : SIM Card data line direction SIM_IO : SIM Card bi-directional data line SIM_CD : SIM Card presence detection LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
Page 82 Trouble Shooting Procedure - Check the power supply - Check the soldering of SIM socket - Check the SIM Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
Page 83 SIM card is broken. The SIM Card is OK? Change the SIM Card. The DBB(U102) is broken. Change the board. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
Page 84: Slide Up/Down And Trouble Shooting
Slide Signal Status L : Down (Magnetized) => Slide Down H : Up (Not magnetized) => Slide Up Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
Page 85 Folder signal is low on Replace the U101. Magnetizing into U101? The U101 is broken The DBB(U102) is broken. Change the board. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
Page 86: Speaker/Receiver Trouble Shooting (Common Path)
Check the output(C218) of U202 The signal is a digital Check the Speaker contact PAD of the F-PCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
Page 87 The signal is a Analog U202 is broken. Replace the U202. <Fig.1> INPUT(C212) of U202 <Fig.2> OUTPUT(C218)of U202 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
Page 88 Check the C214(SPKNA),C212(SPKPA) Change the board. The signal is a Analog Check the Speaker contact PAD of the F-PCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
Page 89: Speaker/Receiver Trouble Shooting (Acoustic Path)
Check the RCV_N, RCV_P The signal is a analog Change the board. Check the Speaker contact PAD of the F-PCB LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
Page 90: Mic Trouble Shooting
- MICIN, MICIP signal from MIC(MIC100) z Check Point - MIC bias - Audio Signal level of the Microphone - Soldering of Components Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
Page 91: Mic Trouble
Replace MIC100 Is it a few tens mVAC? Check the soldering of Replace U103 R140,R141,C121,C122 change the Main Board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
Page 92: Ear-Mic Jack Detection Trouble Shooting
Re-solder Pin #8 of CN301 Of CN301. Is it O.K? The main_PCB has a Problem, Change the main_PCB. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
Page 93: Ear-Mic Hook Detection Trouble Shooting
Exchange the Ear-Mic Headset Check the soldering status Re-solder C303,C312,VA301 Of C303,C312,VA301 U104(DBB) is broken. Change the board. C303 C312 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
Page 94: Ear-Mic Headset Mic Trouble Shooting
Check the soldering Pin #2 Resolder Pin #2 of CN301 of CN301 U103(ABB) is broken. Change the board. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
Page 95: Ear-Mic Headset Hsor/Hsol Trouble Shooting
C310 Is it O.K? C310 The main_PCB has a C308 Problem, C310 R304 Change the main_PCB. R303 C309 C307 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
Page 96 L301 HSMICIP 100nH C312 120p VA301 EVLC14S02050 CN301 R309 JACK_TYPE FB303 JACK_DETECT FB304 FB305 RPWON UART3_DSR VBUS_IN FB301 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
Page 97: Fm-Radio Trouble Shooting
SI4703-B16-GM VRIO C320 C321 C322 R315 VRABB 0.1u 100K TC7SH04FS C323 C324 CLK_32K U306 0.1u 0.1u C325 R316 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
Page 98: Transflash Trouble Shooting
TF_CLK, CMD, DAT0,DAT1 , problem. DAT2,DAT3 Change the Transflash card S201or U102 has a probem. Change the main-board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 - Only for training and service purposes...
Page 99 VRMMC Signal(Power ON) <VRMMC Signal when T-Flash is inserted> z TF_DAT0 Signal (Music Play) <TF_DAT0 Signal while T-Flash is read> LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
Page 100: Main Key Backlight Led Trouble Shooting
- VBAT level ( 3.35 ~4.2V) - LEDs - Q100(Main key) - Main key, Main, Main FPCB connection Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...
Page 101 Check the condition of Q100(Main key) is Q100 Working? If problem, Replace Q100 Backlight will work properly LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
Page 102: Slide Key Backlight Led Trouble Shooting
(Slide key) Working? working Check the condition U103(Main) is Working? If problem, Replace U103(Main) Backlight will work properly Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
Page 103: Vibrator Trouble Shooting
If problem, Replace CN100(Main-Sub) Check the soldering of Re-solder Vibrator Vibrator of Main-Sub Vibrator has a problem. Change Vibrator LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
Page 104: Downloading Software
IBM compatible PC supporting USB with Windows 98 or newer If you use data kit, you should have a battery with the voltage above 3.7V Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 -...
Page 105 IBM compatible PC supporting RS-232 with Windows 98 or newer If you use battery, you should have a battery with the voltage above 3.7V. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
Page 106: Download Procedure
1. Copy "GSMULTI" Folder. Paste in " C:\" → 2. Execute "GSMULTI.reg file" Registered at PC 3. "MultiGSM.exe" execution file Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
Page 107 5.3.2 Click the “Setting” button. Then, choose Configuration which is going to download. → 4. Munu ìS ettingî "Configuration" LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...
Page 108 5. Configuration : select values like below C;\GSMULTI\MODEL\KE590i\KE590i.dll Phone software select( *.cab file) Download speed Start Comport END Comport Frame count select internal Boot Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...
Page 109 5. Downloading Software 5.3.4 Computer Program file -> MultiGSM.EXE Click 6. Press the " START" button LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...
Page 110 5.3.5 After “Start Button”, Which Stand-by condition → → 7. Stand-by condition "TI(EX) : Wait ASIC" is displayed connect the Phone Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
Page 111 5. Downloading Software 5.3.6 SW downloading condition Downloading : Start LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...
Page 112 5. Downloading Software 5.3.7 SW downloading END condition Downloading : END Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
Page 113: Block Diagram
6. BLOCK DIAGRAM 6. BLOCK DIAGRAM KE590 Block Diagram (Baseband) VRSIM UART3_RX UART3_TX UART3_CTS UART3_RT LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
Page 116: Circuit Diagram
VRMEM VRDBB VRIO VREXTH 1.8 / 200@1.8V 100@2.8V N.A. VREXTL 1.3/1.05 200@1.3V 1.8 / 2.8 100@1.8~2.8V Q101 DTC144EM-T2L - 117 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 117 L201 33nH C219 VIBRATOR C220 100p TF_DAT2 TF_DAT1 VRMMC TF_DAT3 TF_DAT0 RCV_N RCV_NN L202 33nH TF_CMD C221 TF_CLK - 118 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 118 TP306 BOOT_SEL RPWON R322 CN305 Q301 VBUS R321 2SC5585 TP307 UART3_RX TP309 JTAG_TCK UART3_TX JTAG_RTCK TP312 JTAG_TDO CN306 - 119 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 119 TPS79928DRVR U405 C433 0.1u PGND C434 C435 0.01u 2.2u REGEN C_VCCRF TPS79928DRVR U406 PGND C436 C437 0.01u 2.2u - 120 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 120 ANT101 R119 UNBL R120 R121 C124 RF_M 100p VBAT VBAT BATTERY TERMINAL CN100 VBATS BATT_TEMP C125 MAIN_KEY_BL_EN LGMC - 121 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 121 R210 PWON VA209 VA210 VA211 EVLC5S02100 MEGA_CLK MEGA_CLK_28 U200 TXS0104EZXUR MEGA_CMD MEGA_DAT0 R212 V_28 VRIO C200 C201 LGMC - 122 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 122 R145 LCD_BL_EN EN_SET ISINK4 C114 C115 C116 C117 U104 R132 AAT2805IXN-4.5-T1 100K CHARGE PUMP 3LED(60mA) + FLASH(300mA) LGMC - 123 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 123 TF_DAT1 VRMMC TF_DAT3 TF_DAT0 TF_CMD TF_CLK R104 100nH OUT100 VIBRATOR R105 100nH OUT101 VBACKUP 3V/1mAh C102 0.1u LGMC - 124 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 124 LED_CA3 R119 LCD_BL_EN EN_SET C114 C115 C116 C117 U104 R121 AAT2805IXN-4.5-T1 100K CHARGE PUMP 3LED(60mA) + FLASH(300mA) LGMC - 125 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 126: Bga Ic Pin Check
8. BGA IC Pin Check 8. BGA IC Pin Check 8.1 MAIN TRANSCEIVER - B6PLD NOT IN USE Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
Page 127: Bluetooth Chip
8. BGA IC Pin Check 8.2 Bluetooth chip _ BRF6150 Figure 10:BRF6150 pin diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
Page 128: Pcb Layout
Can’t boot the phone, .. U103(T3029FZQWR) Can’t boot the phone, Audio Problem, Charging Problem, U201(K5E1G12ACA) Can’t boot the phone, - 129 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 129 No Tx Power. U403(R2A60167BG) Rx Sensitivity or Tx Power U304(SI4703) FM Radio Problem, .. U305(ISL8499) No Download Problem, - 130 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 130 No Power On, Audio BT connection, No Power Problem, .. ON, No recognition of SIM U101 (BRF6150HZSL) No B/T Connection - 131 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 131 (35pin ZIP Conn.) No Display U104(AAT2805) No LCD Backlight, No Flash LED. U100(BH15LB1) U101(R1114D281D) U103(BH18PB1) No Camera Preview - 132 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 138: Rf Calibration
GSM 5 Level 33 dBm Mobile Base Station Station Tx Cal = In this case, to make MS transmit 33dBm Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 139 - Only for training and service purposes...
Page 139: Calibration Program - Hot_Kimchi
10.3.2 Required Equipments - Test PC with PCMCIA slot - GPIB card - E5515C(Agilent 8960 series) - Power supply LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 140 - Only for training and service purposes...
Page 140 10. RF Calibration 10.3.3 Calibration Equipment Setup KE590 KE590i Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 141 - Only for training and service purposes...
Page 141 10. RF Calibration 10.3.4 Calibration program - HOT_KIMCHI 10.3.4.1 Open the HOT_KIMCHI folder 10.3.4.2 Execute Program (HOT_KIMCHI) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 142 - Only for training and service purposes...
Page 142 10.3.4.3 Set the “SETTING” menu 10.3.4.4 Click the “START” LOGIC MODE 1. CAL ONLY 2. AUTO ONLY 3. CAL + AUTO Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
Page 143 10. RF Calibration 10.3.4.5 Check “[TEST RESULT] : PASS” KE590 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
Page 144: Exploded View & Replacement Part List
11. EXPLODED VIEW & REPLACEMENT PART LIST 11.1 EXPLODED VIEW 56 57 58 - 145 - Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 146: Replacement Parts
MOLD, PC LUPOY SC-2302, , , , , Black MDAD00 DECO,CAMERA MDAD0031201 MOLD, PC LUPOY SC-1004A, , , , , Black Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
Page 147 INSULATOR MIDZ0148801 COMPLEX, (empty), , , , , MLAZ00 LABEL MLAZ0038303 PRINTING, (empty), , , , , White LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
Page 148 PAD,CONNECTOR MPBU0002101 COMPLEX, (empty), , , , , Black MTAC00 TAPE,SHIELD MTAC0043601 COMPLEX, (empty), , , , , Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 - Only for training and service purposes...
Page 149: Main Component
39 ohm,1/16W ,J ,1005 ,R/TP R106 RES,CHIP,MAKER ERHZ0000473 39 ohm,1/16W ,J ,1005 ,R/TP R107 RES,CHIP,MAKER ERHZ0000473 39 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
Page 150 2.2 uF,16V ,K ,X5R ,HD ,1608 ,R/TP C114 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C115 CAP,CHIP,MAKER ECZH0001215 1 uF,10V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
Page 151 5.5 V,+-30 ,SMD ,1005, 100 pF, Pb free VA104 VARISTOR SEVY0005202 5.5 V,+-30 ,SMD ,1005, 100 pF, Pb free LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 152 - Only for training and service purposes...
Page 152 ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C117 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 153 - Only for training and service purposes...
Page 153 150 ohm,1/16W ,J ,1005 ,R/TP R208 RES,CHIP,MAKER ERHZ0000420 150 ohm,1/16W ,J ,1005 ,R/TP R209 RES,CHIP,MAKER ERHZ0000420 150 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 154 - Only for training and service purposes...
Page 154 FR-4 , mm,BUILD-UP 6 , ,; , , , , , , , , , SUSY00 SPEAKER SUSY0027101 SAFY00 PCB ASSY,MAIN SAFY0221701 SAFB00 PCB ASSY,MAIN,INSERT SAFB0079201 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
Page 155 ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C314 CAP,CERAMIC,CHIP ECCH0005704 4700000 pF,10V ,K ,X5R ,HD ,2012 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
Page 156 10 uF,10V ,Z ,Y5V ,HD ,2012 ,R/TP C428 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C429 CAP,CERAMIC,CHIP ECCH0000163 47 nF,10V,K,X5R,HD,1005,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
Page 157 100 Kohm,1/16W ,J ,1005 ,R/TP R303 RES,CHIP,MAKER ERHZ0000509 75 ohm,1/16W ,J ,1005 ,R/TP R304 RES,CHIP,MAKER ERHZ0000509 75 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 158 - Only for training and service purposes...
Page 158 U404 SMPY0014901 dBm, %, A, dBc, dB, ,SMD , ,; , , , , , , , ,R/TP ,R/TP , Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
Page 159 ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP C132 CAP,CERAMIC,CHIP ECCH0009512 1000 pF,25V ,K ,X7R ,HD ,0603 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 160 - Only for training and service purposes...
Page 160 ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C208 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
Page 161 SETY0006501 Free Q301 TR,BJT,NPN EQBN0007101 EMT3 ,0.15 W,R/TP ,LOW FREQUENCY R101 RES,CHIP,MAKER ERHZ0000201 100 ohm,1/16W ,F ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 162 - Only for training and service purposes...
Page 162 100 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP R418 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP R419 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 163 - Only for training and service purposes...
Page 163 18 V, ,SMD ,40pF, 1005 X101 X-TAL EXXY0016001 32.768 KHz,20 PPM,7 pF,65 Kohm,SMD ,6.9*1.4*1.3 , WSYY00 SOFTWARE WSYY0655401 KE590iFL-01-V10d-208-20-SEP-27-2007+3 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 164 - Only for training and service purposes...
Page 164: Accessory
100-240V ,5060 Hz,5.1 V,.7 A,CE ,AC-DC ADAPTOR ,; ADAPTOR,AC-DC SSAD0024504 ,85Vac~264Vac ,5.1V(+0.15V, -0.2V) ,700mA ,5060 , ,WALL 2P ,I/O CONNECTOR , Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 165 - Only for training and service purposes...
Page 165 Note...
Page 166 Note...

LG KE590 Service Manual

1 Introduction

2 Performance

3 Circuit Description

4 Trouble Shooting

5 Downloading Software

6 Block Diagram

7 Circuit Diagram

8 BGA IC Pin Check

9 Pcb Layout

10 RF Calibration

11 Exploded View & Replacement Part List

Quick Links

Troubleshooting

Related Manuals for LG KE590

Summary of Contents for LG KE590

Table of Contents