Page 1 Internal Use Only Service Manual KS360 Date: August, 2008 / Issue 1.0...
Page 2 LGE Inc. Furthermore, LGE Inc. reserves the right, without notice, to make changes to equipment design as advances in engineering and manufacturing methods warrant. * This manual provides the information necessary to install, program, operate and maintain the KS360 Series.
Page 4: Table Of Contents
REPLACEMENT PART LIST ..139 4.1 Main PCB component placement ..62 13.1 Exploded View ........139 13.2 Replacement Parts ......141 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 5 - Only for training and service purposes...
Page 6: Introduction
A local telephone company may make changes in its communications facilities or procedure. If these changes could reasonably be expected to affect the use of the KS360 Series or compatibility with the network, the telephone company is required to give advanced written notice to the user, allowing the user to take appropriate steps to maintain telephone service.
Page 7 1. INTRODUCTION E. Notice of Radiated Emissions The KS360 Series complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user.
Page 8: Abbreviation
Global System for Mobile Communications IPUI International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
Page 9 Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol 8PSK 8 Phase Shift Keying LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 10 - Only for training and service purposes...
Page 10: Performance
HR/EFR/FR/AMR Data and Fax Vibrator Buzzer Voice Recoding C-Mic Receiver Travel Adapter Options Bluetooth hands-free kit, Data Kit Copyright © 2008 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 © 2008 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...
Page 12: General Performance
3,000 ~ 6,000 6,000 GSM900/EGSM Offset from Carrier (kHz) Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Copyright © 2008 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 © 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
Page 14 4 → 2 -103dBm ~ -101dBm 2 → 1 -105dBm ~ -104dBm 1 → 0 < -106 dBm No Service Copyright © 2008 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: 5.6V, 0.4A LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
Page 16 Offset from carrier(kHz) Max. dBc +0.5 600 ~ <1,200 1,200 ~ <1,800 1,800 ~ <3,000 3,000 ~ <6,000 6,000 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
Page 17 (due to switching transient) Offset from carrier(kHz) Max. dBm 1,200 1,800 --30 DCS1800, PCS1900 Offset from carrier(kHz) Max. dBm 1,200 1,800 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
Page 18: Technical Brief
3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 KS360 series Component Block diagram Figure 1. KS360 series Functional Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 - Only for training and service purposes...
Page 19: Baseband Processor (Bbp) Introduction
The chip will fully support the FR/HR/EFR/NB-AMR speech codec. S-GOLDRadio™ support multi-slot operation modes CSD/GPRS/EGPRS (up to class 12) without additional external hardware. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
Page 20: Block Description
- Advanced static and dynamic power management features including TDMA-Frame synchronous low power mode and enhanced CPU modes(idle and sleep modes) - Pulse Number Modulation output for Automatic Frequency Correction(AFC) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 -...
Page 21 Control FEM operation band & mode PAEN PA_EN PAM Enable VRAMP TX_RAMP Tx Ramp signal T_OUT6 PA_MODE Select PAM operation mode (GSM/EDGE) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
Page 22 3. TECHNICAL BRIEF 3.2.5 USART Interface KS360 have two UART Drivers as follow : - USART0 : SW upgrade / Calibration - USIF : BT Interface. Table 3. USIF Interface Spec. Resource Name Remark UART0 UART0_TXD UART_TX Transmit Data UART0_RXD...
Page 23 3. TECHNICAL BRIEF 3.2.7 GPIO map Over a hundred allowable resources, KS360 is using as follows except dedicated to SIM and Memory. KS360 GPIO(General Purpose Input/Output) Map, describing application, I/O state, and enable level, is shown in below table. Table 5 S-GOLDradio GPIO pin Map...
Page 24 #MMCI: Multimedia Card IF MMCI_CMD MMC_CMD uSD Card command/response MMCI_DAT0 MMC_D0 uSD Card Data (0) MMCI_CLK MMC_CLK uSD Card Clock Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
Page 25 LCD ID measure (Hitachi LCD_ID = 0) VBAT Battery voltage measure JACK_TYPE JACK type measure (Not used) #JTAG JTAG JTAG JTAG LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
Page 26 Qwerty Key LED control #Control Logic LPBCL_ECHO ON_OFF / SCAN_RESET PWRON RESET2_N / VSENSE2 M_RESET Memory reset PO_RESET_N / SCAN_OUT2 PO_RESET Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...
Page 27: Power Management Ic
• Fully controlable by software via I2C - Bus • Temperature and battery voltage sensors • Interrupt channels for peripherals LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
Page 28 3. TECHNICAL BRIEF Figure 3. Top level block diagram of the PMU Block of PMB8888 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
Page 29 C113 C114 C127 0.1u C117 0.1u 0.1u 0.1u C129 0.1u Figure 4. LDOs Circuit Diagram of KS360 series LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...
Page 30 3. TECHNICAL BRIEF 3.3.2 Charging KS360 charge the battery using an external charging IC of Intersil ISL9221 for Li-Polymer battery in 4.2 Volts level. 4.2V~3.74V 3.74V~3.64V 3.64V~3.45V 3.45V~3.35V Figure 5. Battery Block Indication 1 Charging method : CC-CV 2 Charger detect voltage : 4.0 V...
Page 31: Power On/Off
To support Remote power on function for factory mass production, applied an BJT as following figure. As monitoring the RPWRON and Key matrix KEY_COL7 & KEY_ROW6, KS360 series system recognize whether remote power on or End-key pushed LGE Internal Use Only Copyright ©...
Page 32: Sim Interface
3. TECHNICAL BRIEF 3.5 SIM interface KS360 supports 1.8V & 3V plug in SIM, SIM interface scheme is shown in (Figure 7). SIM_DATA, SIM_CLK, SIM_RST ports are used to communicate with BBP(S-GOLDRadio). SIM Interface SIM_CLK : SIM card reference clock...
Page 33: Micro Sd External Memory Interface
3. TECHNICAL BRIEF 3.6 Micro SD external memory Interface In KS360 series a Micro SD slot for external Memory is connected to PMB8888. MICRO SD Connector 2V62_VIO 2V9_VMMC 2V9_VMMC S500 AXA463062P MMC_D1 DAT1_2 DUMMY1 MMC_D0 DAT0 MMC_CLK MMC_CMD MMC_D3 CD_DAT3...
Page 34: Memory
3. TECHNICAL BRIEF 3.7 Memory 1Gbit NAND Flash & 512Mbit SDRAM employed on KS360 series with 8 bit bus for NAND and 16bit bus for SDRAM thru ADD(0) ~ ADD(24). The 1Gbit NAND Flash memory with SDRAM stacked device family offers multiple high-performance solutions.
Page 35: Lcd Display
Data[8] for LCD Data[7] for LCD Data[6] for LCD Data[5] for LCD Data[4] for LCD Data[3] for LCD LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
Page 36 LED Cathode MLED4 LED Cathode MLED3 LED Cathode MLED2 LED Cathode MLED1 LED Cathode MLED LED Anode Ground Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 - Only for training and service purposes...
Page 37 DIF_D(1) DIF_D(0) LCD_ID DIF_RESET MLED5 MLED4 MLED3 MLED2 MLED1 MLED VA101 EVLC14S02050 Figure 10. 37pin LCD connector circuit LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
Page 38: Keypad Switching & Scanning
KEY_INT KEY_ROW5 R413 R414 KEY_I2C_SCL KEY_ROW6 R415 4.7K C420 C421 C422 C423 C424 Figure 11-1. Keypad Configuration Circuit Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
Page 39 KB432 KB433 KB434 KEY_ROW4 KEY_COL0 C427 KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL4 KEY_COL5 KEY_COL6 KEY_COL7 Figure 11-2. Keypad Configuration Circuit LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...
Page 40: Touch Key
3.10 Touch KEY The Touch keypad is controlled by CY8C20434. PMB8888 control CY8C20434 by TOUCH_SCL, TOUCH_SDA and TOUCH_INT. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
Page 42: Keypad Back-Light Illumination
LEWWS44-E LD302 MULTI_KEY BACKLIGHT VBAT C101 C102 R110 Q100 SUB_KEY_BL 2SC5585 Figure 12. Qwerty + Multi_Keypad Backlight Circuit Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 - Only for training and service purposes...
Page 43: Lcd Back Light Illumination
LED4 MLED4 R114 DBB_BL_PWM CPWM LED5 MLED5 R115 LCD_BL_PWM P_GND C113 C114 0.1u C115 Figure 13. Charge-Pump Circuit LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...
Page 44: Isp(Image Signal Processor)
3. TECHNICAL BRIEF 3.13 ISP(Image Signal Processor) KS360 Series support Camera resolution up to 2M pixel. Camera Sensor I/F is integrated in the S- GOLDradio(PMB8888). CAMERA POWER VBAT 1V8_VCAM 2V8_VCAMIO U500 RT9011-MGPQW VOUT1 CAM_PWR_EN VOUT2 C550 EUSY0319001 C551 C552 2.2u 2.2u...
Page 45: Jtag & Etm Interface Connector
3. TECHNICAL BRIEF 3.14 JTAG & ETM interface connector In case of KS360 series mass production, the JTAG interface connector will not be mount on board. That is only for developing and software debugging purpose. ON BOARD ARM9 JTAG & ETM INTERFACE...
Page 46: Audiot
3. TECHNICAL BRIEF 3.15 Audio KS360 series Audio signal flow diagram as following diagram. Figure 16. Audio Signal Flow Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
Page 47 L304 C320 MIC_N C319 100nH L303 C318 SPU0409HE5H-PB MIC_P 100nH C317 VA300 C322 Figure 18. Microphone Circuit Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
Page 48: Charging Circuit
_CHG IVDC CHG_EN IMIN IUSB C209 C210 C211 C212 C213 (1%) (1%) (1%) Figure 19. Charging Circuit Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
Page 49: Bluetooth
C623 C624 R606 470K 2.2u 0.1u R607 C625 C626 2.2u Figure 20. Bluetooth / FM Radio Circuit Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
Page 50 - I2C slave for FM - Two audio PCM interfaces (input and output) - Analogue stereo (output only) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...
Page 51: Fm Radio
• Control of FM via Bluetooth HCI or I2C • Adaptive filter to suppress narrow band interference in the FM channel LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...
Page 52: 18Pin Multi Media Interface Connector
Charger voltage VCHG Charger voltage Not used VBUS_USB USB VBUS UART_Tx UART Tx UART_Rx UART Rx Power GND Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...
Page 53 17 : D/ RX UART_RX R212 HSO_L HSO_R C217 C218 Figure 22. 18 Pin Multi port Circuit Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
Page 54: General Description
GSM and EDGE with integrated PGA functionality. Figure 23. PMB 8888 Function Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...
Page 55 GND2 HOT2 GND1 2 HOT1 26MHz SIM_DATA CC_IO SIM_CLK CC_CLK SIM_RST CC_RST Figure 24. S-GOLD Radio Circuit Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
Page 56: Receiver Part
Furthermore an automatic DC-offset compensation can be used (depending on the gain setting) to reduce the DC-offset at baseband-output. A programmable gain correction can be applied to correct for front end- and receiver gain tolerances. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 -...
Page 58: Rf Synthesizer
To cover the wide frequency range the VCO is automatically aligned by a binary automatic band selection (BABS) before each synthesizer startup. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 -...
Page 59: Dcxo
5.6nH GSM850 RX GSM900 GSM850 DCS1800 PCS1900 EGSM900 RX DCS1800 RX PCS1900 RX Figure 27. FEM Circuit Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
Page 60: Power Amplifier Module
REVD2 Reserved 13,14,15 Ground DCS/PCS_OUT RF Output(DCS/PCS) DC Blocked GND PAD GRID Ground pad grid is device underside. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
Page 61: Pcb Layout
4. PCB layout 4. PCB layout 4.1 Main PCB component placement Main PCB Top Main PCB Top placement LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
Page 63 Connector Battery Connector Key Encoder SIM Connector Memory Power Inductor Micro SD Socket Main FPCB Conn. Mobile Switch LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
Page 64 4. PCB layout KEY PCB Top Main FPCB Conn. LCD Conn. Touch FPCB Conn. KEY PCB Bottom Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
Page 65: Trouble Shooting
-Connect mobile switch cable between Communication test set and DUT when you need to make an phone call. -Follow trouble shooting procedure LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
Page 66: Power On Trouble
Remote Power On 2V0_VRTC RPWRON_EN R221 PWRON 3.3M R223 RPWRON C226 EMX18 Q201 END_KEY_IN END_KEY_IN KEY_COL7 R222 END_KEY KEY_ROW6 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...
Page 67 Is it correct? Is the 26MHz X100 clock from Check solder X100 of U102 ? Replace X-TAL Replace main PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
Page 69: Charging Trouble
CHG_EN FB203 1800 IMIN R228 IUSB R229 FB206 1800 C209 C210 C211 C212 C213 (1%) (1%) (1%) R230 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
Page 70 C212=4.2V? charging until Battery voltage battery Voltage goes up to is over 3.35V? 3.35V Charge is operating properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...
Page 71: Lcd Display Trouble
Check the connection LCD FPCB connector Check signal flow via EMI filter The LCD backlight enable signal (SUB PCB) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
Page 72 Signal is normal on Check solder and 2.62V Signal repair FL400, FL401, Damaged filter FL402,FL403,FL404 Assemble FL400,401,402,403,404 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...
Page 73: Camera Trouble
CAM_D(2) R517 CAM_D(1) R518 CAM_D(0) C535 ENBY0020401 R519 AXK7L24227G CAM_PCLK R520 CAM_RST R521 CAM_PWDN Check the connector combination LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
Page 74 Combination then Camera test With equipped camera module Replace New Replace Camera module Main Working properly? Replace Camera module Assemble Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...
Page 75: Receiver & Speaker Trouble
CN501 SPK_P 100nH R100 OUT100 RCV_P C542 R102 100p OUT101 RCV_N L501 SPK_N 100nH C544 C545 C101 C102 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
Page 76 TP4) is Low(0V)? main -board Receiver Signal( TP5, Replace Receiver TP6) High(1.6V)? Replace Main PCB TP5 TP6 Assemble Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...
Page 77: Microphone Trouble
TP3,L302) line Check the signal Replace level at ( TP1,2)each microphone side of MIC300. (MIC300) Replace Main PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
Page 78: Ear-Mic Jack Detection Trouble
Resolder FB202, FB202, FB203( TP1,2) FB203 low? The main board has a problem Replace Main PCB Assemble CN200 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
Page 79: Vibrator Trouble
L301 U304 TC7SZ86FU 100nH IN_B PGND R307 LIN_PWM_MAG IN_A R308 OUT_Y C314 R309 100K 130K 0.01u C316 2200p LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
Page 80 Voltage is 3.0V? Check the signal of Resoldering of R304 (TP3) Replace U102 Voltage is 2.6V? Replace Vibrator Assemble Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
Page 81: Keypad Back Light Trouble
LD300 LEWWS44-E R311 QWERTY_KEY_BL LD301 LEWWS44-E R312 LEWWS44-E LD302 MULTI_KEY BACKLIGHT VBAT C101 C102 R110 Q100 SUB_KEY_BL 2SC5585 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
Page 82 GPIO Resolder or signal(QWERTY_KE Y_BL, TP1) Voltage Replace VA301 or U102 of VA301 < 1.0v KEY_LED is operating Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
Page 83: Sim & Usd Trouble
2V9_VSIM R522 J500 SIM_RST SIM_DATA SIM_CLK GND4 GND1 GND3 GND2 C543 C547 C548 C546 220n 1000p SIM_DATA SIM_CLK LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
Page 84 1.8V & 2.9V SIM only 6 pins are Resolder pin soldered well? Check Proper Replace Main SIM Card Board Assemble Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
Page 85 DAT2 MMC_DET DETECT_A DETECT_B DUMMY3 C534 C526 C527 C528 C529 C530 C531 C532 C533 Card insert Card eject LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
Page 86 (check data line TF socket pins uSD D0~D3 are well soldered (TP1~4)is 2.9V Check proper Replace Main Board uSD? Assemble Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
Page 87: Touch Trouble
INOUT_B4 Socket FL404 ICVE10054E250R201FR RCV_P INOUT_A1 INOUT_B1 DIF_D(4) RCV_N INOUT_A2 INOUT_B2 DIF_D(5) INOUT_A3 INOUT_B3 DIF_D(6) INOUT_A4 INOUT_B4 DIF_D(7) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
Page 88 SUB FPCB 2.8V? Touch IC is well Rosolder Touch IC soldered? Chan ge the Touch window Assemble TP1~ 3 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
Page 89: Qwerty Key Trouble
R410 KEY_COL5 KEY_ROW4 R411 R412 KEY_INT KEY_ROW5 R413 R414 KEY_I2C_SCL KEY_ROW6 R415 4.7K C420 C421 C422 C423 C424 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
Page 90 Volta ge is 2.6V? Resolder the Check soldering component of components of U400 Assemble Domeswitch Fig 6 Waveform of DCXO Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
Page 91: Trouble Shooting Of Receiver Part
VCTCXO Check point PLL Control Check point Mobile SW & FEM Re-Download S/W & CAL Main PCB Bottom LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
Page 92 GND2 HOT2 GND1 2 HOT1 26MHz SIM_DATA CC_IO SIM_CLK CC_CLK 1pin SIM_RST CC_RST 1pin DCXO Cicuit DCXO Waveform Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
Page 93 TP1_C621 (ANT_SW1) TP5~8 Mobile SW & FEM Check Points RX Mode EGSM ANT_SW1 ANT_SW2 FEM RX Control Logic LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
Page 94 Mobile SW & FEM is OK. Check Antenna. EGSM RX ANT SW1 ANT SW2 Mobile SW FEM Control Signals Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
Page 95: Trouble Shooting Of Transmitter Part
Re-Download S/W & RF Main PCB Bottom 5.15.1 Checking DCXO Circuit See RX Part “1. Checking DCXO Circuit” LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
Page 96 TXHB Transceiver Output Circuit TXLB TXHB MODE Transceiver Output GSMK Fixed 8PSK Ramp Burst Control Transceiver Output Operation Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
Page 97 PAM Control Circuit. TXLB (MODE: GMSK) : TP1 TXLB (MODE: 8PSK) : TP1 Transceiver Output (GMSK) Transceiver Output (8PSK) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
Page 98 MODE MODE PA_LEVEL TXON_PA GMSK Ramp Burst Control HIGH 8PSK HIGH Control Amp bias HIGH PAM Mode Operation Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 - Only for training and service purposes...
Page 99 TP3(PA MODE) TP3(PA MODE) : R616 TP1(TX RAMP) TP1(TX_RAMP) : R612 TP2(PA_EN) : R614 TP2(PA EN) TP3(PA MODE) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
Page 100 TP1_C621 (ANT_SW1) TP5~8 Mobile SW & FEM Checking Points TX Mode EGSM ANT_SW1 ANT_SW2 FEM TX Control Logic Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...
Page 101 Mobile SW & FEM is OK. Check Antenna. EGSM TX TP1(ANT SW1) TP2(ANT SW2) Mobile SW FEM Control Signals LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
Page 102: Download & S/W Upgrade
• PC supporting RS-232 with Windows 2000 or newer. If you are going to use battery, the voltage of the battery should be over 3.7V for stable power supplying during S/W download. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 -...
Page 103: Download Program User Guide
6.2 Download program user guide 6.2.1 After “GSMULTI” folder copy, paste C:\ 6.2.2 “MultiGSM.exe” execution file execute KS360 KS360 KS36 KS360 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
Page 104: Multi-Download Program Setting
Multi-Download Program Execution → → Setting : Configuration ■ ■ Setting Completed KC550 KC550 KC550 KC550 KC550 KC550 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...
Page 105 6. Download & S/W upgrade Stand-by Condition: “Wait phone connecting” confirm → → Phone connection ■ KS360 0 KS360 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
Page 106: Circuit Diagram
UART_TX VCHG VCHAR R120 2.2K ON_SW ON_SW RPWRON_EN R121 2.2K VBAT VBAT VBAT VBUS_USB URXD USB_DM UTXD USB_DP Copyright © 2008 LG Electronics. Inc. All right reserved. - 107 - LGE Internal Use Only Only for training and service purposes...
Page 107 C221 C222 C223 C224 C225 R221 R222 PWRON END_KEY 3.3M R223 EM-0781-T5 RPWRON C226 KEY_ROW6 EMX18 Q201 END_KEY_IN LGE Internal Use Only - 108 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 108 C318 SPU0409HE5H-PB MIC_P 100nH VBAT C317 VA300 C322 R310 LEWWS44-E LD300 R311 QWERTY_KEY_BL LEWWS44-E LD301 R312 LEWWS44-E LD302 Copyright © 2008 LG Electronics. Inc. All right reserved. - 109 - LGE Internal Use Only Only for training and service purposes...
Page 109 KB429 KB430 KB431 KEY_ROW3 Shift KB432 KB433 KB434 KEY_ROW4 KEY_COL0 C427 KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL4 KEY_COL5 KEY_COL6 KEY_COL7 LGE Internal Use Only - 110 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 110 2.2u BACKUP BATTERY SIDE KEY 2V 0.5mAh 2V0_VRTC VOL-UP KEY_COL0 VOL-DOWN KEY_COL0 KEY_COL1 KEY_ROW6 KEY_ROW5 CN502 CN503 C549 Copyright © 2008 LG Electronics. Inc. All right reserved. - 111 - LGE Internal Use Only Only for training and service purposes...
Page 111 22nH 5.6nH GSM850 RX GSM900 GSM850 DCS1800 PCS1900 EGSM900 RX DCS1800 RX PCS1900 RX R616 100K RF_TEMP R617 LGE Internal Use Only - 112 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 112 DIF_D(4) DBB_BL_PWM TP100 TP101 TP102 TP103 DIF_D(5) DIF_D(5) RCV_P DIF_D(6) DIF_D(6) RCV_P RCV_N DIF_D(7) DIF_D(7) RCV_N Header Header Copyright © 2007 LG Electronics. Inc. All right reserved. - 113 - LGE Internal Use Only Only for training and service purposes...
Page 113 KEY_COL5 KEY_COL6 DIF_D(0) KEY_COL7 DIF_D(1) TOUCH_SCL DIF_D(2) TOUCH_SDA DIF_D(3) TOUCH_INT DIF_D(4) DBB_BL_PWM DIF_D(5) DIF_D(6) RCV_P DIF_D(7) RCV_N Socket LGE Internal Use Only - 114 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 114 RCV_N RCV_P TOUCH_SDA RCV_N TOUCH_SCL C101 C102 Header TO TOUCH FPCB 2V8_VVIB CN102 TOUCH_INT TOUCH_RST TOUCH_SDA TOUCH_SCL Socket Copyright © 2007 LG Electronics. Inc. All right reserved. - 115 - LGE Internal Use Only Only for training and service purposes...
Page 116: Bgm Pin Map
8. BGM Pin Map 8. BGM Pin Map BGA IC pin check (U102, PMB8888) : Not in use Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
Page 117 8. BGM Pin Map BGA IC pin check (U100, K5D1G12ACD-D075) : Not in use LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
Page 120: Pcb Layout
Main FPCB Connector CN400 No Display No Vibrator No Multi-key No Speaker & Receiver Micro Phone MIC300 No Record Copyright © 2008 LG Electronics. Inc. All right reserved. - 121 - LGE Internal Use Only Only for training and service purposes...
Page 121 GSM TX Power GSM TX Power No Service NO Service FEM U601 GSM RX Sensitivitry & TX Power LGE Internal Use Only - 122 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 123 CN100 No Display LCD Back Light No Power U100 No Display Touch FPCB Connector CN100 No Touch Sense LGE Internal Use Only - 124 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 124 9. PCB LAYOUT LCD Connector CN100, 101 No Power No Booting No Display Copyright © 2007 LG Electronics. Inc. All right reserved. - 125 - LGE Internal Use Only Only for training and service purposes...
Page 125 9. PCB LAYOUT Touch Connector CN102 No Touch Sense Touch Connector CN100 No Touch Sense LGE Internal Use Only - 126 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 126: Rf Calibration
10.1 Test Equipment Setup 4.00 V 0.000 A 10.2 Calibration Step 10.2.1 Turn on the Phone 10.2.2 Execute “HK_27.exe” Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
Page 127 10. RF Calibration 10.2.3 Click “SETTING” Menu 10.2.4 Setup “Ezlooks” menu such as the following figure LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
Page 128 1. By- Pass: not control by GPIB 2. Normal : control by GPIB Setup UART Port PWR : Power Supply CELL :Call- Test Equipment Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
Page 129 10. RF Calibration 10.2.7 Select “MODEL” 10.2.8 Click “START” for RF calibration 10.2.9 RF Calibration finishes. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
Page 130 10. RF Calibration 10.2.10 Calibration data will be saved to the following folder Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...
Page 131 TX Channel compensation: EGSM->DCS->PCS->EDGE EGSM->EDGE DCS->EDGE PCS RX Channel compensation: EGSM->DCS->PCS 4. Phone Operation Mode Normal Mode ptest Mode LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 132 - Only for training and service purposes...
Page 132: Stand-Alone Test
3 Confirm EEPROM & Delta file prefix name. 4 Click “Update Info” for communicating Phone and Test-Program. Not Connected Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 133 - Only for training and service purposes...
Page 133 6 Select “Non signaling” in the Quick Bar menu. Then Standalone Test setup is finished. Change "ptest mood" LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 134 - Only for training and service purposes...
Page 134: Tx Test
3 Select “Tx” in the RF mode menu and “PCL” in the PA Level menu. 4 Finally, Click “Write All” bar and try the efficiency test of Phone. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 135: Rx Test
4 The Phone must be changed “normal mode” after finishing Test. 5 Change the Phone to “normal mode” and then Click the “Reset” bar. Change "normal mode" LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 136 - Only for training and service purposes...
Page 136: Engineering Mode
[6-9-1] FM Radio Test [3-6] MemGenConf [3-7] MemAllUse [6-10] Touchpad Test [3-8] MemDetUse [3-9] MemDump [3-10] Change Frequency Band Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 137 - Only for training and service purposes...
Page 138: Exploded View & Replacement Part List
13. EXPLODED VIEW & REPLACEMENT PART LIST 13.1 EXPLODED VIEW 39 38 Copyright © 2008 LG Electronics. Inc. All right reserved. - 139 - LGE Internal Use Only Only for training and service purposes...
Page 140: Replacement Parts
COVER ASSY,SLIDE ACGQ0027601 Unfixed ABGG00 BUTTON ASSY,SUB ABGG0004401 White Green E, 27 Color ACGK00 COVER ASSY,FRONT ACGK0114301 Unfixed Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 141 - Only for training and service purposes...
Page 141 1.4 mm,2.5 mm,MSWR3(BK) ,N ,+ ,NYLOK Black GMZZ00 SCREW MACHINE GMZZ0021901 3.0 mm,1.5 mm,SWCH18A ,N ,+ ,- , Black LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 142 - Only for training and service purposes...
Page 142 COMPLEX, (empty), , , , , Color ADCA00 DOME ASSY,METAL ADCA0082101 MAIN White Without MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
Page 143: Main Component
EMT3 ,0.15 W,R/TP ,LOW FREQUENCY R100 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP PCB ASSY,MAIN,PAD R101 SAFP0000501 SHORT LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
Page 144 FR-4 ,0.5 mm,MULTI-4 , ,; , , , , , , , , , SAFY00 PCB ASSY,MAIN SAFY0247503 I, 36 SAFB00 PCB ASSY,MAIN,INSERT SAFB0087301 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
Page 145 ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C119 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C120 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C121 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
Page 146 ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C153 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C200 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
Page 147 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C309 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
Page 148 7.5 pF,50V ,D ,X7R ,TC ,1005 ,R/TP ,; ,C0G TYPE(No C513 CAP,CERAMIC,CHIP ECCH0010501 X7R) ,[empty] ,[empty] ,[empty] ,[empty] ,[empty] ,[empty] Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 - Only for training and service purposes...
Page 149 ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C533 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C534 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
Page 150 ECZH0001216 220 nF,10V ,K ,X5R ,TC ,1005 ,R/TP C613 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C614 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
Page 151 ECCH0000185 5.6 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP CN200 CONNECTOR,I/O ENRY0006401 18 PIN,0.4 mm,ANGLE , ,H=2.5, Reverse Type LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 152 - Only for training and service purposes...
Page 152 L602 INDUCTOR,CHIP ELCH0003823 470 nH,K ,1608 ,R/TP ,chip coil,PBFREE L603 INDUCTOR,CHIP ELCH0001402 18 nH,J ,1005 ,R/TP ,Pb Free Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 153 - Only for training and service purposes...
Page 153 1.5 Kohm,1/16W ,J ,1005 ,R/TP R203 RES,CHIP,MAKER ERHZ0000443 2200 ohm,1/16W ,J ,1005 ,R/TP R204 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 154 - Only for training and service purposes...
Page 154 100 Kohm,1/16W ,J ,1005 ,R/TP R505 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP R506 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
Page 155 1 ohm,1/16W ,J ,1005 ,R/TP R610 RES,CHIP,MAKER ERHZ0000434 1 ohm,1/16W ,J ,1005 ,R/TP R611 RES,CHIP,MAKER ERHZ0000405 10 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
Page 156 ECCH0000147 2.2 nF,50V,K,X7R,HD,1005,R/TP C313 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C314 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
Page 157 ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C420 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C421 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP C422 CAP,CERAMIC,CHIP ECCH0000117 27 pF,50V,J,NP0,TC,1005,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 158 - Only for training and service purposes...
Page 158 100 Kohm,1/16W ,J ,1005 ,R/TP PCB ASSY,MAIN,PAD R303 SAFP0000501 SHORT PCB ASSY,MAIN,PAD R304 SAFP0000501 SHORT PCB ASSY,MAIN,PAD R305 SAFP0000501 SHORT Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
Page 159 FR-4 ,0.8 mm,STAGGERED-8 ,ETNA MAIN PCB ,; , , , , , SPFY PCB,MAIN SPFY0178401 , , , , LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 160 - Only for training and service purposes...
Page 160 5.5 V, ,SMD ,1005, 50pF VA505 VARISTOR SEVY0005201 5.5 V, ,SMD ,1005, 50pF VA506 VARISTOR SEVY0005201 5.5 V, ,SMD ,1005, 50pF Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
Page 161 Note...
Page 162 Note...

This manual is also suitable for:

Gt360

LG KS360 Service Manual

1 Introduction

2 Performance

3 Technical Brief

4 PCB Layout

5 Trouble Shooting

6 Download & S/W Upgrade

7 Circuit Diagram

8 Bgm Pin Map

9 Pcb Layout

10 RF Calibration

11 Stand-Alone Test

12 Engineering Mode

13 Exploded View & Replacement Part List

Quick Links

Troubleshooting

Related Manuals for LG KS360

Summary of Contents for LG KS360

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Table of Contents