Page 1 Internal Use Only Service Manual KU580 Date: August, 2007 / Issue 1.0...
Page 2: Table Of Contents
4.8 Keypad Backlight Trouble ......91 4.9 Folder ON/OFF Trouble ......93 4.10 Audio Trouble Shooting .......95 4.11 Charger Trouble Shooting....110 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...
Page 4: Introduction
The user may not make any changes and/or repairs expect as specifically noted in this manual. Therefore, note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 5 -...
Page 5 • When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 6 - Only for training and service purposes...
Page 6: Performance
Push Type ( + , - ) Voice Key Push Type External Memory T - Flash Socket I/O Connect 18 Pin Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
Page 7: Usable Environment
1G ~ 1.71GHz -50dBm 1.71G ~ 1.785GHz -56dBm 1.71G ~ 1.785GHz -56dBm 1.785G ~ 12.75GHz -50dBm 1.785G ~ 12.75GHz -50dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
Page 8 400kHz -22dB Due to 600kHz -21dB 600kHz -24dB Switching 1200kHz -21dB 1200kHz -24dB transient 1800kHz -24dB 1800kHz -27dB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
Page 10 Power setting in uplink compressed ±3dB(after 14slots transmission gap) Occupied Bandwidth(OBW) 5MHz(99%) -35-15*(∆f-2.5)dBc@∆f=2.5~3.5MHz,30k -35-1*(∆f-3.5)dBc@∆f=3.5~7.5MHz,1M Spectrum emission Mask -39-10*(∆f-7.5)dBc@∆f=7.5~8.5MHz,1M -49dBc@∆f=8.5~12.5MHz,1M Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 11 - Only for training and service purposes...
Page 11 Wanted Signal :-101dBm Wanted Signal :-101dBm (TCH/FS Class II, RBER) Unwanted Signal: Depend on freq. Unwanted Signal: Depend on freq. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 12 - Only for training and service purposes...
Page 12 -46dBm CW@10MHz & Intermodulation Characteristic -46dBm/3.84MHz@20MHz UE@+20dBm output power(class3) -57dBm@f=9KHz~1GHz, 100k BW Spurious Emissions -47dBm@f=1~12.75GHz, 1M -60dBm@f=1920~1980MHz, 3.84MHz -60dBm@f=2110~2170MHz, 3.84MHz Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
Page 13 30MHz~1GHz -36dBm -57dBm Out of Band Spurious Emissions Above 1GHz~12.75GHz -30dBm -47dBm 1.8~1.9GHz -47dBm -47dBm 5.15~5.3GHz -47dBm -47dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
Page 14 Intermodluation Performance BER ≤ 0.1%@wanted signal -64dBm static sinwave signal at f1=-39dBm a BT modulated signal f2=-39dBm(payload PRBS15) Maximum Input Level BER ≤ 0.1%@-20dBm Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
Page 15: Current Consumption
-101 ± 2 dBm -107 ± 2 dBm BAR 1 → 0 -106 ± 2 dBm -112 ± 2 dBm LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
Page 16: Battery Bar
3.54 ±0.05V(Standby: 3min. Inverval) -3% 3.10 ±0.05V ↓ (WCDMA Talk) Power OFF 3.20 ±0.05V ↓ (else) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
Page 17: Sound Pressure Level
-62dBm under –.Acoustic(Max Vol.) SEND MS/HEADSET SLR: 8±3dB REV. Headset MS/HEADSET RLR: -13±1dB/-15dB SEND (SLR/RLR: mid-Value Setting) REV. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
Page 18: Charging
• Extend await mode: At Charging prohibited temperature(0˚C under or 45˚C over) (GSM: It should be kept 3.7V in all power level WCDMA: It will not be kept 3.7V in some power level) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 19 -...
Page 19: Technical Brief
- The Ericsson DB 3150 also includes HSDPA class 6 functionality. - The WCDMA subsystem is handled and provided by Ericsson. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
Page 20 - External Memory Interface that supports NAND, NOR, PSRAM, SDRAM, - JTAG - RTC - ETM (in Prototype Package) Figure 3-1-1 KU580 Block Diagram Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
Page 21: External Memory Interface
Samsung Erase speed 1 Block = 16K Byte 8MByte/s Table 3- 1- 1. External Memory Interface Spec. of KU580 Figure 3- 1- 2. External Memory Configuration of KU580 • Data Communication - IrDA ® (SIR) - UARTs (ACB, EDB (RS232)) - Slave USB •...
Page 22: Hardware Architecture
3.1.3 Hardware Architecture A. Block Diagram Figure 3-1-3. Access system of Ericsson DB3100 Figure 3-1-4. Application system of Ericsson DB3100 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 23 - Only for training and service purposes...
Page 23 CPU and the DMA to access in the program and data RAM residing in the DSPSUB. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
Page 24 B. WCDMA Radio Link Interface • RF_WCDMA_PA_0_EN • RF_WCDMA_PA_1_EN • RF_WCDMA_DCDC_EN • RF_WCDMA_PWRDET_EN Figure 3-1-6. Schematic of WCDMA RF Interface Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
Page 25: Sim Interface
Table 3-1-2. SIM Interface Asta SIMVCC Veronica SIMDAT0 SDAT SIMDAT SIMCLK0 SCLK SIMCLK CARD SIMRST0 SRST SIMRST Figure 3-1-7. SIM Interface LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
Page 26: Uart Interface
ACC Transmit Data UART1 APP_GPIO_0 APP_UART_RX APP Receive Data APP_GPIO_1 APP_UART_TX APP Transmit Data Table 3- 1- 3. UART Interface Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 - Only for training and service purposes...
Page 27 GPIO Map, describing application, I/O state, and enable level are shown in below table. Table 3-1-4. Asta ACC GPIO Map Table LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
Page 28 APP_GPIO_9 APP_GP11_REMOTE_INT Input APP_GPIO_10 APP_GP12_PHFSENSE Input APP_GPIO_11 APP_GP13_MC_CLKRET Input APP_GPIO_12 APP_GP14_MC_DETECT Input APP_GPIO_13 APP_GP15_TOUCH_CLK Input/output APP_GPIO_14 APP_GP16_TOUCH_DAT Input/output Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 29 - Only for training and service purposes...
Page 29 USB_CS_PD USB chip select VBUS Power supply for Asta USB block Table 3-1-6. USB Signal Interface of Asta LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...
Page 30 R436 ACC_GP00_USB_STP VBUS VBUS_USB_TRX ACC_GP01_USB_DIR REG3V3 R437 CFG0 XTAL1 USB_XTAL1 REF1V8 XTAL2 Figure 3-1-9. Schematic of USB Transceiver Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...
Page 31 This SLIDE_DET signal is delivered to Asta APP_GP02. VDDC_2V75 VDDE_1V8 U500 TK60012BM5 IO_VDD GND1 GND2 C500 0.1u APP_GP02_FLIPSENSE C501 0.1u Figure 3-1-10. Slider On/Off Detector LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
Page 32: Bluetooth Interface
3. Technical Brief 3.1.11 Bluetooth Interface KU580 supports Bluetooth operation using ST’ STLC2590C Bluetooth module. A. General Description The Bluetooth interface utilizes the SPI interface for control signals going to and from the Bluetooth module. The SPI is also used for data transmissions.
Page 33 - Up to 10 additional flexibly programmable GPIOs - External interrupts possible through the GPIOs - Fast master I2C interface LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
Page 34 • Single power supply with internal regulators for core voltage generation • Supports 1.65 to 2.85 Volts IO systems • Auto calibration (VCO, Filters) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 -...
Page 35 - HCI interface between Asta and STLC2590C • PCM - Audio signal interface between Asta/Veronica and STLC2590C • ANT - 2.4GHz, 50 ohm matching LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
Page 36: Microsd Interface Card
3. Technical Brief 3.1.12 MicroSD Interface card KU580 supports the MicroSD card interface as external memory card. MicroSD card has 4-data line, so KU580 uses 4-data line. All control and data line is connected to Asta. Cause of the difference between Asta and MicroSD card, a level shifter should be added.
Page 37: Power On Sequence
Press END key ➃ PWRRSTn PWRRST RESPOW_N IRQ0_N ➀ ➃ ONSWAn IRQ0n ONSWA Figure 3-1-13. Power On Sequence LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
Page 38 KB503 KB504 KB505 KEYOUT2 KB506 KB507 KB508 KEYOUT3 KB_str KB509 KB_shp KEYOUT4 Figure 3-1-14. MAIN PCB KeyPad Circuit Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
Page 39 SENSE3 TP102 SENSE2 KEYOUT3 LEFT RIGHT KEYOUT4 DOWN TP103 TP104 SENSE0 SENSE1 Figure 3-1-15. KEY PCB KeyPad Circuit LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...
Page 40: Gam Hardware Subsystem
• GAMCON: GAM controller. • GRAPHCON: graphics controller. • PDI/SSI: programmable display interface for parallel/serial displays. • CDI: camera data interface. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
Page 42 In this case, it must have pull-down to ground. The camera module reset signal is an output to the camera module. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 -...
Page 43 CI_D0 R504 CI_PCLK CI_RES_n APP_GP07_MC_IO_OFF C505 C506 C507 C508 C509 Figure 3-2-3. 2M Camera Connector(24Pin - Main Board) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...
Page 44 APP_I2C_SCL CI_D0 APP_I2C_SDA CI_D1 CI_D2 CI_HSYNC CI_D3 CI_VSYNC CI_D4 CI_D7 CI_D5 CI_D6 Figure 3-2-5. VGA LCD FPCB Connector Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
Page 45 Table 3-2-1. Interface between Main board and 2M camera (in Main) Table 3-2-2. Interface between VGA Camera Module and FPCB (in LCD FPCB) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...
Page 46: Camera Regulator
3*3*1.2 0.85A 155mohm 30% VBUCK_FB L600 4.7uH to DB3100 CORE SWBUCK VCORE Figure 3-2-7. 1.5V Camera LDO in AB3000 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
Page 47 LED A RESET IF(IM) VSYNC LED C3 IOVCC(1.8V) LED C2 Table 3-2-4. Interface between LCD module and SUB PCB LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
Page 48: Lcd Module
Figure 3-2-8. LCD Module Block Diagram 262K TFT LCD 320 X 240 pixels Main LCD Driver IC S6D0171 Figure 3-2-9. LCD Module(Main LCD) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
Page 49: Lcd Backlight Illumination
R517 ACC_GP16_KEY_LED_ON 2.2K C518 0.1u R518 Q501 EMX18 R532 Figure 3-2-11. Keypad Backlight LED Interface and Backlight Circuit LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
Page 50: Audio Part
(PGA). The decoder has a receive volume control. The audio inputs and outputs can be switched to normal or auxiliary ports. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 -...
Page 51 SPK_RCV_N C632 0.47u R631 AUXO2 SPKRN VDDE_1V8 PGND C633 R634 R635 ACC_GP12_LSPK_EN Figure 3-3-3 . Audio Section scheme LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...
Page 52: Audio Mode
MIC1P/MIC1N SPKRP/SPKRN MIDI Only Loud Speaker SPKRP/SPKRN Loud Speaker Mode SPKR/SPKN Headset Mode AUXO1/AUXO2 Table 3-3-1. Audio Mode Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 53 - Only for training and service purposes...
Page 53: Voice Call
AUDIO AMP(TPA6205)→ Speaker(8Ω) • Headset Mode : Auxiliary audio amplifier → AUXO1/2 → AUDIO AMP(TPA4411) → Head Phone LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
Page 54 Headset Mode : Headset MIC → Veronica Input(AUXI1N/1P) When the headset is inserted, EAR_DETECT_n(Circuit Diagram net Name) converted into low state So, the headset icon is displayed on Main LCD. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 -...
Page 55 • MIDI : Asta → PCM Decoder → Auxiliary audio amplifier → SPKRP/N Port → AUDIO AMP(TPA6205) → Speaker(8Ω) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
Page 56 Figure 3-3-7. MP3 Scheme MP3 function supports PCM 44/48KHz sampling rate.The PCM44/48 RX-path is intended to be used as a audio amp and one speaker. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 -...
Page 57: Video Telephony
This section provides a description of the Video Telephony functions. Figure 3-3-8. Video Telephony Scheme Video Telephony Mode has same paths with Loud Speaker Mode. 3.3.8 Audio Main Component There are 4 components in KU580 schematic Diagram. Part Number marked on KU580 Schematic Diagram. ITEM PART NUMBER...
Page 58: Gpadc(General Purpose Adc) And Autoadc2
Reference voltage for PAM GPA4 WRFLOOP Lock inform GPA6 GPA6 Headset detect GPA7 VBACKUP Backup battery Table 3-4-1. GPADC channel spec Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 - Only for training and service purposes...
Page 59: Charger Control
VBAT Current sensing input positive CHSENSE- Analog VBAT Current sensing input negative Table 3-5-1. Charger Control channel spec LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
Page 60: Fuel Gauge
Fuel gauge current sensing input positive FGSENSE- Analog VBAT Fuel gauge current sensing input negative Table 3-5-2. Fuel Gauge channel spec Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
Page 61: Battery Temperature Measurement
Fig 3-5-5. Battery Temperature Measurement Name Type Unused Description BDATA Digital Input/Output Unconnected current output Table 3-5-3 BDATA channel spec LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
Page 62: Charging Part
3.73 ~3.59 (V) 100~66 (%) 2~0 (%) 65~44 (%) 43~25 (%) 24~3 (%) Fig. 3-5-7 Battery Block Indication Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...
Page 63 (a) Charging voltage (b) Charging current Fig. 3-5-8. CCCV charging method LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
Page 64 • Under 0°C : Extended temperature • From 0°C to 45°C : Normal charging temperature • Over 45°C : Extended temperature Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
Page 65: Voltage Regulation
It provides power for the 32 kHz oscillator and the real-time clock (RTC). Table. 3-6-1. LDO and Buck LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
Page 66: Rf Technical Description
WCDMA part, a GSM, and a RF front-end. Different from other general solutions, the RF front-end of KU580 consists of an antenna switch and an EDGE power amplifier module (PAM).
Page 67: Wcdma Part
DC/DC converter regulates the supply voltage and the bias operation point is controlled by a D/A- converter in the W-CDMA radio circuit. These DACs are controlled through the 3-wire-bus LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
Page 68 Once filtered, the zero IF I and Q signals are further amplified with provision of 31 x 1 dB steps and DC offset compensation. The zero IF output buffer provides close rail-to-rail outputs signal. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 -...
Page 69 WRX_Q_N RF_CTRL_DATA R127 RF_CTRL_CLK WRX_Q_P RF_CTRL_STRB R128 WRX_I_N C133 8.2p WCLK R129 WRX_I_P Figure 3-7-4. WCDMA Transceiver schematic LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
Page 70 GND1 GND2 WTXMOD_BAND_I M_OUT WTX_BAND_I GND3 GND4 GND1 GND2 VBAT C_OUT TERMINATE WPOW_SENSE Figure 3-7-6. WCDMA PAM schematic Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...
Page 71 Dual Transfer Mode (DTM) class 9 (3+2=5) Zero-IF receiver • Polar modulation transmitter Figure 3-7-7. GSM Transceiver Architecture LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
Page 72 The digital output signals are sent over a serial interface to the digital base- band circuit for further processing and detection. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 -...
Page 73 W-CDMA circuit. This output is activated by a control signal in the digital bus. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
Page 74 The switch is used only for selecting the W-CDMA mode of operation . the split between transmit and receive frequencies is handled by the W-CDMA duplexer. Figure 3-7-8. Front-End Module Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 -...
Page 75 GND6 L102 R107 L103 GSM_RX1 GSM_RX2 22nH WTXMOD_BAND_I RX900 TX_GSM_900 RX1900 RX1800 Figure 3-7-10. Front End part schematic LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
Page 76 RF system is estimated by a voltage measurement performed by the analog baseband controller. The control flow for the RF system is shown in Figure 3-7-11. Figure 3-7-11. RF Control Flow Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 -...
Page 77: Trouble Shooting
VDD_H (C608) 1.5V VDD_K(C611) 2.75V < Main Board - Bottom side > VDD_LP(R609) 1.5V SWBUCK(L600) 1.2V Change main board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
Page 78: Usb Trouble
Resolder or change U402 ACC_GP20_USB_CS_PD is 1.8V? Change main board U402 R436 R436 < Main Board - Top side > Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
Page 79: Sim Detect Trouble
< Main Board - Bottom side > SIM work well? Finish Change SIM card SIM work well? Finish Change main board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
Page 80: Microsd Card Trouble
Resolder R418 MicroSD work well? Finish S400 Change main board R418 < Main Board - Bottom side > Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
Page 81: Keypad And Touch Key Trouble
CN501(Main Bíd) or CN100(Keypad) CN501(Main Bíd), CN100(Keypad) Keypad operates well? Change Keypad Keypad operates well? Change Main Board Finish LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
Page 82 Pin #18 ~ #19 KEYOUT3 KEYOUT4 Pin #22 ~ #24 CN100 KEYOUT5 KEYOUT4 KEYOUT3 < Sub Board ñ Bottom side > Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
Page 83 Change Upper case CN100 Touch key work well? Finish Change Sub board < Sub Board - Bottom side > LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
Page 84: Camera Trouble
Pin4 of U101 or C108(sub)=2.8V? Change U101 Pin5 of U101 or C109(sub)=1.8V? Change 2M Camera 2M Camera Works Change the Main Board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
Page 85 4. TROUBLE SHOOTING CN500 24 pin 2M Camera Connector in Main Board C109 C108 U101 Charge Pump in Sub Board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
Page 86: Vga Camera
Change VGA Camera VGA Camera Operation OK? Change the Camera&LCD FPCB VGA Camera Works Change the Main Board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
Page 87 Main Board 70 pin BtoB Connector LCD FPCB 20 pin VGA Connector C109 C108 U101 Charge Pump in Sub Board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
Page 88: Main Lcd Trouble
Change LCD FPCB or Key PCB Change LCD Module The LCD Works LCD Display OK? Change the Main Board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
Page 89 Main Board 70 pin BtoB Connector LCD FPCB 40 pin BtoB Connector sub PCB 40 pin LCD Connector LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
Page 90: Keypad Backlight Trouble
Backlight Control Signal is 2.8V at R517? Resolder or Change Q501 Keypad Backlight Works? Finish Change Main Board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
Page 91 4. TROUBLE SHOOTING VBAT R517 ACC_GP16_KEY_LED_ON 2.2K C518 0.1u R518 Q501 EMX18 R532 R517 Q501 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
Page 92: Folder On/Off Trouble
Place magnet on U500 Slide OK? Pin 2 of U500 = 0V Change keypad Slide OK? Finished Change Main board Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
Page 93 U500 TK60012BM5 IO_VDD GND1 GND2 C500 0.1u APP_GP02_FLIPSENSE C501 0.1u U500 Be sure that magnet is here R608 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
Page 94: Audio Trouble Shooting
4. Speaker/Receiver ♣ Note : It is recommended that engineer should check the soldering of R, L, C along the corresponding path before every step. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 -...
Page 95 Is the soldering ot the Resolder Receiver receiver OK? Can you hear sine wave Change the Receiver out of the receiver ? LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
Page 96 4. TROUBLE SHOOTING A SIDE CN501 ZD500,ZD501 Pin 67, 69 LCD FPCB Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
Page 97 4. TROUBLE SHOOTING Measured 1khz Sine Wave Signal Measured 1khz Sine Wave Signal LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
Page 98 5. Speaker/Receiver ♣ Note : It is recommanded that engineer should check the soldering of R, L, C along the corresponding path before every step. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 -...
Page 99 Change the main board At ZD501,ZD502? Can you hear sine wave Change each Speaker out of a speaker ? LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
Page 100 4. TROUBLE SHOOTING B SIDE C633,C634 U600 U600 U600 B SIDE C633, R691 ZD500,ZD501 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...
Page 102 • • Signal from the mic - MIC → - R600 on main board → - CC623,C625 on main board → - Veronoca Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
Page 103 If fail again, chage the main Bíd Change the MIC Change the main B,d Does it work properly ? LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
Page 106 Headset Can you hear sine wave Change the main Bíd out of the receiver ? Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
Page 107 Change the main B'd at C426 ? Change the main B'd Does it work properly ?? Try again from the start LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...
Page 108 4. TROUBLE SHOOTING 4.10.6. Headset B SIDE CN400 CN600 C622,C625 R679,R680 B SIDE C643,C644 R627 2,4,5 R429 C426 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...
Page 109: Charger Trouble Shooting
• • Trouble Shooting Procedure - Check the charger connecter - Check the Charging current Path - Check the battery LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...
Page 110 Is it charging properly Is it charging properly after changing Q600? Change the board Change the board Trouble Shooting - Charging Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
Page 112: Checking Bluetooth Block
4. TROUBLE SHOOTING 4.12 Checking Bluetooth Block ** BT - Bluetooth Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
Page 113 <Bottom view> Bluetooth Antenna (ANT400) MCLK (C828) VBT27 (C832) <Bluetooth Antenna Block> Bluetooth chip Output (L800) VBT18 (C837) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
Page 114 2.75V? with Oscilloscope voltage level Check About Check Veronica (U603) 1.8V? VBT18 (C603) with Oscilloscope Check Next Stage Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
Page 115 Bluetooth chip Output Over Change BT Chip (U401) (L400) with Spectrum Analyzer -40dBm ? Check Next Stage LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 116 - Only for training and service purposes...
Page 116: Rf Component
U200 GSM / EDGE Transceiver U104 WCDMA Transceiver (RF3000) (RF3100) SW100 RF Test Connector U201 Bluetooth Clock Buffer Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
Page 117: Procedure To Check
Agillent 8960 : Test mode(GSM) Ch. 62, P.L. 7 level setting Ch. 62, -60dBm setting 5. Check GSM Block Redownload SW, Cal LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
Page 118: Checking Common Power Source Block
WCDMA PAM Block Step 1 PAM VBAT Block WCDMA DC/DC VBAT GSM PA VBAT (Bottom) Figure 4-3. Common Source Block Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...
Page 119 From C618 to D601 Short? Change Board Soldering Check Component (CN600) ➄ In Power Source Block LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
Page 120 From C618 to C102, C103 Soldering Check Component (CN600) ➄ In Power Source Block Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 - Only for training and service purposes...
Page 121 From C117 to C618 Short ? Change Board Soldering Check Component (CN600) ➄ In Power Source Block LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
Page 122 Check Point Check the Vincenne2 1.8V OK? VDD_E (R607) Common Input Power is OK See The Next Part Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 123 - Only for training and service purposes...
Page 123: Checking Vcxo Block
(DB3100) Figure 4-12. Bottom Notebook to send TP command Oscilloscope Phone Figure 4-13. Connection for Checking VCXO Block LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
Page 124 R208 100K WCLK R211 MCLK MCLK R211 120K Figure 4-14-2. Schematic (Crystal Part) Figure 4-15. 26MHz at R211 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 125 - Only for training and service purposes...
Page 125 RF_CTRL_CLK RF_CTRL_STRB C133 C133 8.2p WCLK Figure 4-16-2. Schematic (26MHz at TX part) Figure 4-17. 26MHz at C133 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...
Page 126 MCLK MCLK MCLK MCLK R211 120K Figure 4-19. Schematic (26MHz at BB Part) Figure 4-20. 26MHz at R211 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
Page 127 Refer to Figure 4-17 Changing XTAL or U200 26MHz at TX part VCXO part is O.K. Check next stage LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
Page 128: Checking Front End Module Block
VBATT VAPC GSM_IN C109 C110 MODE GND1 GND2 GND3 GND4 GND5 DCS_RX1 Antenna Switch Module (+ GSM/EDGE PA) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
Page 129: Checking Front End Module Block Input Logic
4. TROUBLE SHOOTING 4.18 Checking Front End Module Block input logic 4.18.1 Mode Logic by TP Command LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
Page 130 EGSM Tx DCS Tx PCS Tx EGSM Rx DCS Rx PCS Rx WCDMA Table 4-1. Front End module Logic Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...
Page 131 Resoldering Check ANTSW0(C105) To check Switch input power source Check each mode Change the Board By TP command LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 132 - Only for training and service purposes...
Page 132: Checking Wcdma Block
RF TX Level ➂ 5. Check PAM Block 6. Check RF RX Level Top View Re-download SW, Cal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 133 - Only for training and service purposes...
Page 133: Checking Control Signal
First of all, control signal should be checked. (data, clk, strobe) PIN6 (STROBE) PIN7 (DAT) PIN8 (CLK) Figure 4-28-1. Test points (Control Signal) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 134 - Only for training and service purposes...
Page 134 Figure 4-28-2. Schematic (Control Signal) Notebook to send TP command Oscilloscope Phone Figure 4-29. Connection for Checking Control Signal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 135 - Only for training and service purposes...
Page 135 If signal is not OK even after downloading, Change the U801 Control Signal is O.K. Check next stage LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 136 - Only for training and service purposes...
Page 136: Checking Rf Tx Level
Figure 4-31. Test point (RF TX Level) Notebook to send TP command Spectrum Analyzer Phone Fig. 4-32 Connection for Checking RF TX Level Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 137 - Only for training and service purposes...
Page 137 FEM Output (C112) Fig. 4-33-3 Output Level at C113.Ant Fig. 4-33-4 Output Level at Iso lator Output (IS100.2.Out ) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 138 - Only for training and service purposes...
Page 138 Fig. 4-33-6 Output (IS100.3. In) Level at PAM Input (R110) Fig. 4-33-7 Output Level at RF3100(Ylva) Output (R118) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 139 - Only for training and service purposes...
Page 139 Refer to Figure 4-33-6 You have to check PAM block. The U104 will be not operated. Change the board LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 140 - Only for training and service purposes...
Page 140: Checking Pam Block
(C112) from DC/DC WCDMA DC/DC converter WPAM input (R118) Figure 4-34. Test points of WCDMA TX PAM block Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 141 - Only for training and service purposes...
Page 141 Check C104 Change 3.2V ? To Check PAM VCC the DC/DC BIAS from DC/DC converter (VCC_PA) Change The PAM LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 142 - Only for training and service purposes...
Page 142 Figure 4-36-1. RX I,Q signal (CW:2142MHz) WRX_Q_P (R127) WRX_Q_N (R124) WRX_I_P (R129) WRX_I_N (R128) Figure 4-36-2. RX I, Q signal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
Page 143 Verify whether the signal was similar as Figure Change RF3100 (U104) Similar? 4-36-2 with Oscilloscope. Check Next Stage LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
Page 144: Checking Gsm Block
Figure 4-37-1. GSM Block (Bottom) 5. Check RF TX Path 6. Check RF RX Path Re-download SW, Cal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
Page 145: Checking Regulator Circuit
Refer to 4.19.2 Checking Ant. SW Module IF you already check this point while checking Ant. SW module (4.19.2), You can skip this test. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
Page 146 B (PIN6) A(PIN7) (PIN8) Figure 4-38. Test points of RF control signals Figure 4-39. GSM RF Control signal Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
Page 147 Refer to Figure 4-39 Short? Similar? Re-download SW Change the board Control signal is OK. See next page to check LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
Page 148 4.20.5 Checking RF Tx Path A. GSM Tx path Level ➁ ➂ ➂' ➀ Figure 4-40. GSM/DCS/PCS Tx Path Level Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 - Only for training and service purposes...
Page 149 4. TROUBLE SHOOTING ➀ ➂ ➂' ➁ (Bottom) Figure 4-41. Test Points of GSM/DCS/PCS Tx Path LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
Page 150 Refer to Figure 4-42. GSM>32dBm DCS>29dBm PCS>29dBm GSM/DCS/PCS Tx path OK. See Chapter 4.8.6 to check Rx path Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
Page 151 Check GSM RF Transceiver GSM/DCS/PCS ➀ Redownload SW Output power at >5dBm See Next page to check Tx path LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 152 - Only for training and service purposes...
Page 152 Check GSM/DCS PAM ➄ DCS: 31.0dBm (N400) output power at GSM Tx path OK. See Next page to check Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 153 - Only for training and service purposes...
Page 153: Checking Rf Rx Path
➀ GSM : - 50dBm DCS : - 50dBm PCS : -50dBM Figure 4-45. GSM/DCS/PCS Rx Path Level LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 154 - Only for training and service purposes...
Page 154 Agilent 8960 Setting CW Mode GSM : -50dBm@Ch65(948MHz) DCS : -50dBm@Ch700(1842.8MHz) PCS : -50dBm@ch700(1967.8MHz) v Oscilloscope Setting Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
Page 155 Check GSM/DCS/PCS Rx GSM:-51.5dBm ➁ Change Ant. SW module signal level at DCS/PCS:-51.7dBm (U101) GSM Rx path OK. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
Page 156: Ku580 Download Setup Manual
- MAP File (GDFS Files) 2) Login Dialog (1) EzLooks Login Dialog -> Press Login. (2) Model/Buyer Selection Select UMTS Division. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
Page 157 Select Model DLL. 3 Download Configuration Setup DLL configuration. 4 DLL Information Show DLL configuration information what is selected. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 158 - Only for training and service purposes...
Page 158 Unchcked, use fixed USB port. You should assign port number with USB Address. 2 Image Files Select Image binary files. 3 GDFS File Select GDFS files. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
Page 159 4 Check USB Address which is loaded. 5 Do 2 again. 6 After assign all ports, press save dialog. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 160 - Only for training and service purposes...
Page 160 Cf. USB Driver Installation 1) On control panel Double click ‘NEC USB ENHANCED HOST CONTROLLER’ 2) Select driver tab. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
Page 161 5. KU580 Download Setup Manual 3) Select driver update button. 4) Press NEXT button LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 162 - Only for training and service purposes...
Page 162 5. KU580 Download Setup Manual 5) Press NEXT button. 6) Select Next button and close install dialogs. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 163 - Only for training and service purposes...
Page 163: Block Diagram
GSM TR GSM PAM with FEM U200(Gim U101 Test Conn. SW100 Duplexer FL101 Figure 5-1. RF Block Diagram LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 164 - Only for training and service purposes...
Page 164 Filter FL202 SAFEB1G84FA0F00 Filter U301 DB3100 (Asta) Modem Bluetoot h U401 STLC2590 Bluetooth Table 5-1. RF Block Component Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 165 - Only for training and service purposes...
Page 166: Circuit Diagram
C132 R124 33nF WRX_Q_N RF_CTRL_DATA R127 RF_CTRL_CLK WRX_Q_P RF_CTRL_STRB R128 WRX_I_N C133 8.2p WCLK R129 WRX_I_P WPOW_DET_EN LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 167 - LGE Internal Use Only Only for training and service purposes...
Page 167 C220 R210 MCLK ADOUT 0.1u 4.7u R212 BT_CLK R211 120K R213 4.7K R214 100K RTEMP PT200 4.7K LGMC LGE Internal Use Only - 168 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 168 APP_GPIO_14 EMIF2_NFIF_READY NF_READY EMIF2_WAIT_N VDDE_1V8 R309 3300 R310 3300 R311 3300 R313 3300 OJ300 OJ301 OJ302 OJ303 LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 169 - LGE Internal Use Only Only for training and service purposes...
Page 169 R447, R449, R442, R444 : NA, R445 : 1K, R441 : 220K UR400 REMOCON TEST POINT DOWNLOAD POINT EMI/ESD Filter for UART and DCIN LGMC LGE Internal Use Only - 170 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 170 KB508 KEYOUT3 KB_str KB509 KB_shp KEY PAD BACKLIGHT BLUE LED KEYOUT4 KEY PAD AND SIDE KEY PAD LGMC Copyright © 2007 LG Electronics. Inc. All right reserved. - 171 - LGE Internal Use Only Only for training and service purposes...
Page 171 OUTL EAR_L C642 0.47u AUXO2 OUTR EAR_R VDDC_2V75 PVDD PVSS SVDD SVSS FB601 C645 2.2u C647 2.2u LGMC LGE Internal Use Only - 172 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 172 C110 0.1u R126 ACC_GP23_TOUCH_LED_ON 2.2K R135 KEYOUT3 Q100 EMX18 LEFT RIGHT R137 KEYOUT4 DOWN TP103 TP104 SENSE0 SENSE1 Copyright © 2007 LG Electronics. Inc. All right reserved. - 173 - LGE Internal Use Only Only for training and service purposes...
Page 173 CI_PCLK VIB_N ACC_GP23_TOUCH_LED_ON FPCB to VGA Camera Connector, 1.5T Socket Slide to FPCB Connector, 0.9T 70 Pin Header LGE Internal Use Only - 174 - Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
Page 180: Calibration
- Calibration of EGSM 900, DCS 1800, PCS1900, and WCDMA - Instrument (Agilent8960, Tektronix PS2521G) control - UART communication with mobile phone Figure 9-2. Hot Kimchi Window Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 181 - Only for training and service purposes...
Page 181 9. CALIBRATION 9.1.2 Setting Select a ezlooks Select Off-line in the EZLOOKS MODE. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 182 - Only for training and service purposes...
Page 182 9. CALIBRATION Select a Line System Select Manual in the RUN MODE. Select your com port appropriately. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 183 - Only for training and service purposes...
Page 183 9. CALIBRATION Select a Logic Operation Select Logic Mode you want. 1. CAL only Select your com port appropriately. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 184 - Only for training and service purposes...
Page 184: Calibration Procedure
9. CALIBRATION 9.1.3 Calibration Procedure Select a model name - KU580. Click the START button. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 185 - Only for training and service purposes...
Page 186: Exploded View & Replacement Part List
10. EXPLODED VIEW & REPLACEMENT PART LIST 10.1 EXPLODED VIEW Copyright © 2007 LG Electronics. Inc. All right reserved. - 187 - LGE Internal Use Only Only for training and service purposes...
Page 188: Replacement Parts
COMPLEX, (empty), , , , , Color MWAE00 WINDOW,CAMERA MWAE0024401 MOLD, PMMA HI835M, , , , , Black Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 189 - Only for training and service purposes...
Page 189 AWAZ0010401 Black BFAA00 FILM,INMOLD BFAA0063901 Black Without MWAC00 WINDOW,LCD MWAC0077101 MOLD, PMMA HI835M, , , , , Color LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 190 - Only for training and service purposes...
Page 190 ADCA0063701 NAVI Color Without GMEY00 SCREW MACHINE,BIND GMEY0011201 1.4 mm,3 mm,MSWR3(BK) ,N ,+ ,NYLOK Color MLAK00 LABEL,MODEL MLAK0006901 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 191 - Only for training and service purposes...
Page 191 TAPE MTAZ0185301 COMPLEX, (empty), , , , , Color Without MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Color LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 192 - Only for training and service purposes...
Page 192: Main Component
ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C109 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 193 - Only for training and service purposes...
Page 193 LD101 DIODE,LED,CHIP EDLH0007901 RED ,1608 ,R/TP ,Indicator,0.4T Red LED LD102 DIODE,LED,CHIP EDLH0007901 RED ,1608 ,R/TP ,Indicator,0.4T Red LED LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 194 - Only for training and service purposes...
Page 194 ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C108 CAP,CERAMIC,CHIP ECCH0000110 10 pF,50V,D,NP0,TC,1005,R/TP C111 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C112 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 195 - Only for training and service purposes...
Page 195 ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C305 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 196 - Only for training and service purposes...
Page 196 ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C402 CAP,CERAMIC,CHIP ECCH0007801 4.7 uF,10V ,Z ,Y5V ,HD ,1608 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 197 - Only for training and service purposes...
Page 197 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C509 CAP,CERAMIC,CHIP ECCH0000118 30 pF,50V,J,NP0,TC,1005,R/TP C600 CAP,CERAMIC,CHIP ECCH0006201 4.7 uF,6.3V ,K ,X5R ,TC ,1608 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 198 - Only for training and service purposes...
Page 198 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C641 CAP,CHIP,MAKER ECZH0001213 0.47 uF,6.3V ,Z ,Y5V ,TC ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 199 - Only for training and service purposes...
Page 199 SFEY0013901 SMD ,2ch Audio EMI/ESD Filter (64ohm, 50pF) FL402 FILTER,EMI/POWER SFEY0014001 SMD ,2ch Audio EMI/ESD Filter (8.4ohm, 60pF) LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 200 - Only for training and service purposes...
Page 200 62 ohm,1/16W ,J ,1005 ,R/TP R126 RES,CHIP,MAKER ERHZ0000500 62 ohm,1/16W ,J ,1005 ,R/TP R127 RES,CHIP,MAKER ERHZ0000527 200 ohm,1/6W ,J ,1005 ,R/TP Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 201 - Only for training and service purposes...
Page 201 51 Kohm,1/16W ,J ,1005 ,R/TP R413 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP R414 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 202 - Only for training and service purposes...
Page 202 19.3 dB,0.3 dB,25 dB,1.6*0.8*0.6 ,SMD ,1920M ~ 1980M, U102 SCDY0003501 DIRECTIONAL 6pin U103 EUSY0222103 MicroSMD ,8 PIN,R/TP ,DCDC for PAM 650mA, ~3.4V Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 203 - Only for training and service purposes...
Page 203 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C501 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C510 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 204 - Only for training and service purposes...
Page 204 2-2H1A ,.1 W,R/TP ,VEBO=6V, Pb free Q500 TR,BJT,NPN EQBN0013701 EMT6 ,150 mW,R/TP ,DUAL TRANSISTORS Q501 TR,BJT,NPN EQBN0013701 EMT6 ,150 mW,R/TP ,DUAL TRANSISTORS Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 205 - Only for training and service purposes...
Page 205 33 ohm,1/16W ,F ,1005 ,R/TP R636 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP R640 RES,CHIP,MAKER ERHZ0000473 39 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 206 - Only for training and service purposes...
Page 206 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 ZD507 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 ZD508 DIODE,TVS EDTY0009101 SOD-923 ,5 V,150 mW,R/TP ,1.0*0.6*0.4 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 207 - Only for training and service purposes...
Page 207: Accessory
100-240V ,5060 Hz,4.8 V,0.9 A,CE&CB ,18pin Plug ,; , , , , , ADAPTOR,AC-DC SSAD0021008 ,[empty] ,I/O CONNECTOR , LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. - 208 - Only for training and service purposes...
Page 208 Note...
Page 209 Note...

LG KU580 Service Manual

1 Introduction

2 Performance

3 Technical Brief

4 Trouble Shooting

5 KU580 Download Setup Manual

6 Block Diagram

7 Circuit Diagram

8 Pcb Layout

9 Calibration

10 Exploded View & Replacement Part List

Quick Links

Troubleshooting

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Summary of Contents for LG KU580

Table of Contents