Page 1 Internal Use Only Service Manual KF240 Date: May, 2008 / Issue 1.0...
Page 2: Table Of Contents
13.2 Replacement Parts ......155 4.12 SIM Card Interface Trouble....94 13.3 Accessory ..........171 4.13 Main key backlight Trouble ....96 Copyright © 2008 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 © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 5 -...
Page 5: Only For Training And Service Purposes
• When returning system boards or parts like EEPROM to the factory, use the protective package as described. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 6 - Only for training and service purposes...
Page 6: Abbreviations
International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode OPLL Offset Phase Locked Loop Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
Page 7: Only For Training And Service Purposes
Time Division Multiple Access UART Universal Asynchronous Receiver/Transmitter Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator Wireless Application Protocol LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
Page 8: System Specification
18x10 one way dual speaker Travel Adapter MIDI SW MIDI Camera Bluetooth / FM Radio Bluetooth version 2.0 / 76~108MHz supported Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 - Only for training and service purposes...
Page 9: 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. - 10 - Only for training and service purposes...
Page 10: Only For Training And Service Purposes
6,000 GSM, 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 - 11 - Only for training and service purposes...
Page 11: Only For Training And Service Purposes
*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. - 12 - Only for training and service purposes...
Page 12: Only For Training And Service Purposes
3 → 2 Battery Indicator 3.75 0.05 V 2 → 1 3.64 0.05 V 1 → 0 3.54 0.05 V Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 13 - Only for training and service purposes...
Page 13: Only For Training And Service Purposes
Battery full charge voltage = 4.2 V Capacity: 800mAh Switching-mode charger Travel Charger Input: 100 ~ 350V, 50/60 Hz Output: 5.1 V, 700 mA LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
Page 15 Support for SRAM, SDRAM, and PSRAM (cellular RAM) Full-Speed USB 2.0 Dual-Role Interface with OTG (On-The-Go) Host Mode or traditional Peripheral- only mode LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
Page 16 Embedded Trace Macrocell for MCU Debug JTAG Interface for Test and In-Circuit Emulation of both the MCU and DSP Advanced features for security Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
Page 17: Analog Main Processor(Ad6855, U100)18
GSM 900 / GSM 850 / DCS 1800 / PCS 1900 mobile on a single device, including HSCSD, GPRS and EGPRS. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
Page 18: General Description
The AD6855 digital processor interface provides serial ports for control data, baseband transmit and receive data, and two for audio data. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 19: Power Block
(see definitions below) and signals DBB software that it’s time to wake up and operate using the KEYOUT signal. Figure. 3-2-2 AD6855 POWER BLOCK DIAGRAM LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 20 - Only for training and service purposes...
Page 20 3. TECHNICAL BRIEF Figure. 3-2-3 AD6855 KEYON/KEYOUT BLOCK DIAGRAM Figure. 3-2-4 AD6855 RESET GENERATION BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 - Only for training and service purposes...
Page 21 Charger Activation, Active-Standby or Active State the VABB regulator enable/disable is controlled by the information written to the VABBEn and AFCDACMode register bits by system software. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
Page 22 Baseband Analog regulator is optimized for high ripple rejection and low noise. The output of the Baseband Analog regulator should not be used as a supply for any external components. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 23 In this mode, VAPP is enabled or disabled using the VAPPEn bit of LDOControl1. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
Page 24: Power Amplifier Module(Sky77318, U600)
PA block supports the GSM bands and the other supports the DCS1800 and PCS1900 bands. Both PA blocks share common power supply pins to distribute current. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 -...
Page 25: Fem (Dgm1110M014, Fl600)
The FEM is integrated of quadband RX SAWs, internal diplexer and ESD protection at Ant port to 8kV acc. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
Page 26: Rtc(Fc-135, X100)
32kHz clock for use in the system. The purpose of this application note is to discuss the system issues that affect operation of the 32kHz oscillator circuit. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 27: Crystal(26 Mhz, X600)
26MHz crystal. The crystal is connected as shown in figure 3-3. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
Page 29: Rf Tranceiver(Ad6548, U601)
The Receive path features automatic calibration and tracking to remove DC offsets. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 30 - Only for training and service purposes...
Page 30: Only For Training And Service Purposes
GPRS applications up to and including class 12. 3.7.2 FUNCTIONAL DESCRIPTION Figure. 3-7-2 RECEIVER CHAIN BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 - Only for training and service purposes...
Page 31: Only For Training And Service Purposes
2/3 multiplication of the VCO output for the high band (DCS1800/PCS1900) and a 1/3 multiplication for low band (E-GSM 900/GSM850). LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 32 - Only for training and service purposes...
Page 32: Only For Training And Service Purposes
Transmit Intermediate Frequency (TX IF). After bandpass filtering and limiting the TX IF signal is used as the reference input to the Phase Frequency Detector (PFD) of the transmit PLL. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 33: Only For Training And Service Purposes
An integrated band pass filter exists between the mixer and the PFD to filter the mixers unwanted side band and higher order mixing products. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 34 - Only for training and service purposes...
Page 34: Only For Training And Service Purposes
The VCO generates frequencies between 2520MHz and 2985MHz as required to operate in the four GSM bands for RX and TX. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 35: Memory(Pf38F5060M0Y0Be, U201).36
This Stacked Chip Scale Package (SCSP) device is packaged in a standard Intel® x16D footprint and signal ballout. This model uses 512Mbits Flash memory and 128Mbits LPSDRAM memory with stacked. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
Page 36: Only For Training And Service Purposes
Figure. 3-8-2 DBB EBU SUBSYSTEM BLOCK DIAGRAM The following table shows the pin list for the external memory interface which supported by Main Base Band chipset(AD6900). Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 -...
Page 37: Only For Training And Service Purposes
SDC Write Enable SDA10 SDC address 10 SDCKE SDC Clock Enable SDCLKOUT SDC Clock Output nNDBUSY NFC Busy Request LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
Page 38: Bt Module With Integrated Fm Tuner (Ewfmlbaxx, U200)
3.9 BT Module with integrated FM tuner (EWFMLBAXX, U200) Figure. 3-9-1 Bluetooth Module BLOCK DIAGRAM Figure. 3-9-2 BCM2048 POWER BLOCK DIAGRAM Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 39 - Only for training and service purposes...
Page 39: Only For Training And Service Purposes
RDS data buffers to simplify the interface with an external host. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 40 - Only for training and service purposes...
Page 40: Sim Card Interface
This signal makes SIM card to HW default status. SIM_CLK This signal is transferred to SIM card. SIM_DATA This signal is interface datum. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
Page 41: Micro-Sd Card Interface
The bus interface contains 32- bit memory mapped registers, converts 16-bit PBUS accesses to 32-bit register accesses, LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...
Page 42: Lcd Interface
BLU (Back Light Unit) is shared primary and secondary LCD and include 5 white LEDs. White LCD driver is AAT3169 and it is descripted at next page. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 43: Only For Training And Service Purposes
1µA. The AAT3157 is available in a Pb-free, space-saving 2.85x3.0mm 12-pin TSOPJW package. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 44 - Only for training and service purposes...
Page 44: Only For Training And Service Purposes
Data Output(mA/Ch) Data Output(mA/Ch) 20.0 17.0 14.0 12.0 10.0 0.05 Figure 3-12-3 AAT3157 current level setting Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
Page 45: Battery Charger Interface
Due to the 28V rating for the cradle input, low-cost, large output tolerance adapters can be used safely. When both inputs are powered, the cradle input is used to charge the battery. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...
Page 46: Keypad Interface
DOWN KEY_ROW0 MENU KEY_ROW1 CONF RIGHT KEY_ROW2 LEFT KEY_ROW3 C104 C105 Figure 3-14-2 HOT KEY STRUCTURE KEY_COL3 KEY_COL4 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 - Only for training and service purposes...
Page 47: Only For Training And Service Purposes
Figure 3-14-3 keypad interface and interrupt generation logic LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
Page 48: Audio Interface
The channels are common in the digital section. DAC 1 and DAC 2 are used together for stereo audio, with DAC 1 decoding the left-channel digital input and DAC 2 decoding the right-channel digital input. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 -...
Page 49: Only For Training And Service Purposes
The Audio DACs are over-sampled switched-capacitor DACs. The analog filters are switched- capacitor filters followed by active-RC filters. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 50 - Only for training and service purposes...
Page 50: Only For Training And Service Purposes
Class D audio amplifier between output port and speaker. Audio amplifier Gain is set by hardware component and gain is 6 times. Figure 3-15-3 ABB Audio OUTPUT2 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 -...
Page 51: Only For Training And Service Purposes
The other channel is typically used with an external microphone or external line input. Figure 3-15-4 Audio Input Block Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 52 - Only for training and service purposes...
Page 52: Only For Training And Service Purposes
The JackSense terminal is interfaced to the switch pin of the Jack socket or a Jack Sense terminal on a handset system connector. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
Page 53: Only For Training And Service Purposes
Associated logic then provides the AudAccInt interrupt and updates the contents of the Detector Control register as follows on each comparator transition Figure 3-15-5 Audio Accessory Detection Block Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 54 - Only for training and service purposes...
Page 54: Only For Training And Service Purposes
To avoid false interrupts the Accessory detect logic has a hardware polling loop which will prevent Interrupt generation from comparator transitions with a duration of no less than 10 mSec. Figure 3-15-6 Accessory Insertion/Removal Detector Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 -...
Page 55: Camera Interface(2M Fixed Focus Camera)
In all modes, data packing options optimize DMA transfer bandwidth for YUV 4:2:2 and other data formats. The PPI pins are listed in the following table. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 56 - Only for training and service purposes...
Page 56: Only For Training And Service Purposes
FIFO, interrupt request (IRQ) generation logic, clock dividers, and memory mapped registers(MMRs). The PPI provides a parallel interface to camera modules. Figure 3-16-1 PPI Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 -...
Page 57: Only For Training And Service Purposes
A PPI FIFO (32 words deep, 16-bits wide) is provided to compensate for arbitration latency encountered by APP DMA accessing system resources. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...
Page 58: Key Baclklight Led Interface
- Light1DutyCycle (0x2D), Light2DutyCycle (0x2E) and Light3DutyCycle (0x30). This model use Light3 port for main key LED and Light1 port for slide LED. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 -...
Page 59: Vibrator Interface
VIB_N R408 ENEY0003801 VOUT 100nH R410 24-8000-002-000-829 R409 EUSY0160401 100K Eliminate Vib. pads 2008.01.03 Figure 3-18 Vibrator Driver LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
Page 60: Trouble Shooting
Figure 4-1 U600 Power Amp Module (SKY77318) U601 (AD6548) RF Main Chip (Transceiver) X600 Crystal, 26MHz Clock FL600 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 - Only for training and service purposes...
Page 61: Rx Trouble
Crystal Circuit (2) Check Mobile SW &FEM (3) Check RX I/Q Signal Re-download SW or Do calibration again LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 62 - Only for training and service purposes...
Page 62: Only For Training And Service Purposes
EB2_ADDR_12 C636 0.1u AB21 CAM_HSYNC PPI_HSYNC VLDO1 AA22 CAM_VSYNC PPI_VSYNC CAM_PCLK PPI_CLK PPI_DATA_0 WAVEFORM Graph 4-2-1(b) Graph 4-2-1(a) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 - Only for training and service purposes...
Page 63 R608 GSM900_RX1 C628 GSM850_RX2 C626 0.1u GSM850_RX1 Graph 4-2-2 FEM Control Signal ANT_SW1 ANT_SW2 C644 C645 100p 100p LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 64 - Only for training and service purposes...
Page 64: Only For Training And Service Purposes
RX Stand alone Mode is needed refer to chapter 10 Switch Mode GSM850/900 Tx GSM1800/1900 Tx GSM850/900 Rx GSM1800/1900 Rx Table 4.2.1 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 - Only for training and service purposes...
Page 65: Only For Training And Service Purposes
Check if there is any Similar? Replace U601 Major difference Refer to graph 4.2.3 Redownload software and calibration again LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
Page 66: Tx Trouble
Mobile SW & FEM (3)Check PAM control signal (4)Check TX I/Q Signal Redownload SW or Do calibration again Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 67 - Only for training and service purposes...
Page 67: Only For Training And Service Purposes
CAM_I2C_CLK EB2_ADDR_12 0.1u AB21 VLDO1 CAM_HSYNC PPI_HSYNC AA22 CAM_VSYNC PPI_VSYNC CAM_PCLK PPI_CLK PPI_DATA_0 WAVEFORM Graph 4-3-1(b) Graph 4-3-1(a) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
Page 68: Only For Training And Service Purposes
R608 GSM900_RX1 C628 GSM850_RX2 C626 0.1u GSM850_RX1 Graph 4-2-2 FEM Control Signal ANT_SW1 ANT_SW2 C644 C645 100p 100p Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 69 - Only for training and service purposes...
Page 69: Only For Training And Service Purposes
Changing SW600 Short with RF Cable disconnected Switch Mode GSM850/900 Tx GSM1800/1900 Tx GSM850/900 Rx GSM1800/1900 Rx Table 4-3-1 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 70 - Only for training and service purposes...
Page 70: Only For Training And Service Purposes
Any Major Difference or not Any Major Difference or not Refer to Graph 4.3.3 Go to Next Step Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 - Only for training and service purposes...
Page 71: Only For Training And Service Purposes
Check if there is Replace U601 Similar? Any Major Difference Refer to Graph4.3.4 Re-download the Software And calibrate LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
Page 72: Power On Trouble
VUSB 2V75_VCXO VSIM 1V8_VGP VMIC TX_RAMP VBAT SPWR1 Change the value for C138 SPWR2 Board noise(2007.11.01) C139 REFBB Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 - Only for training and service purposes...
Page 73: Only For Training And Service Purposes
Replace U100 and Re-download software Does it work properly? The phone will Replace the main board Properly operating. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
Page 74: Charging Trouble
SFEY0007101 R212 R210 R213 C210 C211 R211 C212 GND1 GND2 100K 100K FL300 ICVFP10181E301FR (1%) R311 CHG_DET R312 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 - Only for training and service purposes...
Page 75: Only For Training And Service Purposes
Is Voltage across R210 U202 about 1.2V? Battery is charged? Replace the main board Charging is properly operating LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
Page 76: Vibrator Trouble
SUY98005LT1G R407 VIBRATOR L400 VIB_N R408 ENEY0003801 VOUT 100nH R410 24-8000-002-000-829 R409 EUSY0160401 100K Eliminate Vib. pads 2008.01.03 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 77 - Only for training and service purposes...
Page 77: Only For Training And Service Purposes
Replace the main board. (TP2) Connection of vibrator Reconnect vibrator Is good ? Replace vibrator Vibrator Working well ! LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
Page 78: Lcd Trouble
CN500 FL500 FL501 FL502 FL503 FL504 C508, C509, R501, R502 CN101 U501 R505 CN102 CN100 CN101 Figure 4-7 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 79 - Only for training and service purposes...
Page 79: Only For Training And Service Purposes
LCD_RS nLCD_MAIN_CS LCD_VSYNC Eliminated Pull down resistor by Lee 071105 nLCD_RESET ENQY0013901 C102 C103 04-6293-035-000-829 0.1u LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 80 - Only for training and service purposes...
Page 80: Only For Training And Service Purposes
4. TROUBLE SHOOTING WAVEFORM Graph 4-7-1. LCD Backlight Control Signal Waveform Graph 4-7-2. LCD Data Waveform Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 81 - Only for training and service purposes...
Page 81: Only For Training And Service Purposes
And Key PCBís CN101 ok ? Does LCD work Replace LCD module properly ? LCD working well ! LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
Page 82: Camera Trouble
4.8 Camera Trouble TEST POINT FL505 CN500 FL506 FL508 FL507 FB500 CN100 2.8V U500 1.8V CN102 R500 Figure 4-8 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 83 - Only for training and service purposes...
Page 83: Only For Training And Service Purposes
C101 470n Add for ESD 071024 =>Change to NA 071218 Add for ESD 071123 =>Change to NA 071218 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 84 - Only for training and service purposes...
Page 84: Only For Training And Service Purposes
Graph 4-8-2 MCLK Waveform CAM_VSYNC CAM_HSYNC CAM_HSYNC CAM_PCLK 20.8MHz Graph 4-8-3 CAM_VSYNC vs. Graph 4-8-4 CAM_HSYNC vs. CAM_HSYNC Waveform CAM_PCLK Waveform Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
Page 85: Only For Training And Service Purposes
Reassemble Camera to FPCB FPCB and Camera Does Camera work Replace Camera properly ? Camera working well ! LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
Page 86: Speaker/Receiver Trouble
C502 C503 0.1u LCD_ID1 CN500 LCD_ID_L MLED3 MLED2 MLED3 MLED1 MLED1 MLED2 MLED MLED SPK_RCV_N SPK_RCV_P SPK_RCV_N SPK_RCV_P Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
Page 87: Only For Training And Service Purposes
Speaker FB306 C324 0.01u R314 SPK_P SPK_O_N path SFBH0007101 FB307 BLM15AG121PN1 LOUD_SPK_EN SPK_O_P R315 C325 C326 100K Speaker LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 88 - Only for training and service purposes...
Page 88: Only For Training And Service Purposes
Check the Power Voltage Check VBAT or U305,U306 = VBAT Change the U305, U306 (TP1,2) Speaker Working well !! Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
Page 89: Earphone Trouble
EXT_PWRON nDSR_DET nDSR_DET UART_TX R309 UART_TX UART_RX R310 UART_RX GU041-18P-E1000 ENRY0006801 Change to NA for Ear-rcv TDMA (2007.12.18) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
Page 90: Only For Training And Service Purposes
R300 & R302 Or Change the U100 and try again the earphone? the earphone? Earphone will work properly Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 - Only for training and service purposes...
Page 91: Microphone Trouble
CIRCUIT 2V5_VMIC C332 C330 ECTH0005601 R323 MIC_P MIC300 100ohm C339 R325 OB4-15L42-C33L MIC_N 100ohm VA304 VA305 EVLC14S02050 SEVY0001001 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
Page 92: Only For Training And Service Purposes
Is it a few tens mV AC? Check the soldering of Resolder component R323, R325 Microphone will work properly. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
Page 93: Sim Card Interface Trouble
J300 R317 5000-6P-1.8SL (GPIO_100) nSIM_RST SIM_DATA SIM_CLK GND4 GND1 C333 GND3 GND2 ENSY0018701 Add for China ESD 20071029 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
Page 94: Only For Training And Service Purposes
Does it work Does it work Properly? Properly? SIM card is properly working SIM card is properly working. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
Page 95: Main Key Backlight Trouble
KEY BACKLIGHT VBAT LD400 LEBBS47AAZ R402 KEY_BACKLIGHT3 EDLH0013406 R403 LD401 Test point LEBBS47AAZ Change to N/A 2007.10.30 Main LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
Page 96: Only For Training And Service Purposes
Are all LEDs Check the soldering Working? each R and LED Replace or resolder component Backlight will work properly. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
Page 97: Slide Key Backlight Trouble
4. TROUBLE SHOOTING 4.14 Slide key backlight Trouble TEST POINT Figure 4-14 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
Page 98 CAM_DATA4 CAM_HSYNC CAM_DATA3 CAM_DATA2 CAM_DATA1 CAM_DATA0 CAM_PCLK nCAM_RESET CAM_PWDN CAM_MCLK TP100 TP101 Main connector (FPCB) Key connector (FPCB) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 - Only for training and service purposes...
Page 99 Are all LEDs Check the soldering Working? each R and LED Replace or resolder component Backlight will work properly. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
Page 100: Rtc Trouble
PPI_DATA_9 OSCIN OSCOUT C143 EXXY0016001 BT_UART_TX GPIO_000 SSP-T7-F_7PF_20PPM BT_UART_RX GPIO_001 GPIO_002 BT_UART_CTS GPIO_003 BT_UART_RTS GPIO_004 GPIO_005 HP_EN GPIO_009 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...
Page 101 R103 about 400mV? change the X100 Re-download software and try Is RTC properly working? again RTC will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
Page 102: Folder On/Off Trouble
4. TROUBLE SHOOTING 4.16 Folder on/off Trouble TEST POINT R414 U401 Figure 4-16 CIRCUIT SLIDE_DET 2V93_VEXT R414 nSLIDE_DET U401 C401 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
Page 103 Close folder. Voltage at pin 1 of U401 Replace U401 = 0V (TP1) Folder on/off will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
Page 104: Micro Sd Trouble
MC_D2 DAT2 DAT1 MC_D1 MC_D3 DAT3 DAT0 MC_D0 MC_CMD MC_CLK R327 GND1 GND3 MC_DET GND2 GND4 R328 ENSY0021401 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...
Page 105 Check out MC_CLK & Data Re-download SW Timing OK? Replace Micro SD Card Micro SD Card will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
Page 106: Bluetooth Trouble
GPIO4 VDDR3V BT_MAIN_CLK_EN GPIO5 VBATT GPIO6 REGBT REGBT GPIO7 VREG_CTL BT_LDO_EN R207 (EB2_ADDR_04) 100K SMZY0015001 C206 C207 C208 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
Page 107 BT_Reset check at C202? U101 Bluetooth on is OK? Re-download SW and try again Bluetooth will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...
Page 108: Fm Radio Trouble
GPIO4 VDDR3V BT_MAIN_CLK_EN GPIO5 VBATT GPIO6 REGBT REGBT GPIO7 VREG_CTL BT_LDO_EN R207 (EB2_ADDR_04) 100K SMZY0015001 C206 C207 C208 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...
Page 109 Vbat at C208 Replace Check BT_32k? U101 (TP1) Replace FM_Radio work is good? U200 FM_radio will work properly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...
Page 110: Download
5. DOWNLOAD 5. DOWNLOAD 5.1 Download A. Download Setup Figure 5-1 describes Download setupp Figure 5-1 Download Setup Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
Page 111 5. DOWNLOAD B. Multi Download Procedure 1. Run GSM Multi Download program and select Setting LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...
Page 112 DLL file and press Open OPEN Location KF240_DL L KF240.dll File Name OPEN File Type CANCLE Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
Page 113 6. Repeat step 4-5 to select CodeData.mot Model KF240 KF240 .dll OPEN Location File Name OPEN File Type CANCLE LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
Page 114 8. Press OK to end Configuration Model KF240 KF240. dll KF240 Model KF240 KF240 Model KF240 Select Rate Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
Page 115 9. Press START to execute download 10. Once downloading is started, press STOP button to keep from re-downloading after downloading is completed. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 116 - Only for training and service purposes...
Page 116: Block Diagram
BT _INT TXS -3225 26MHz Crystal BT _ WAKEUP 32 . 768 Hz Crystal BCM 2048 FM_ R, L Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
Page 118: Circuit Diagram
R111 USC_4 USC4 AA10 JTAGEN USC_5 USC5 R112 TESTMODE USC_6 USC6 JTAGEN (CHANG TO 1K USING TRACE 32) - 119 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 119 PGND nRESET USC0 (GPIO_059) EUSY0254701 R212 R210 R213 C210 C211 R211 C212 100K 100K (1%) ENBY0029001 AXT430124 - 120 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 120 OB4-15L42-C33L 20071029 MIC_N MC_CMD 100ohm MC_CLK R327 GND1 GND3 MC_DET GND2 GND4 VA304 VA305 R328 EVLC14S02050 ENSY0021401 SEVY0001001 - 121 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 121 R411 BGM_MP3 R412 CAMERA R413 KEY_COL0 KEY_COL1 KEY_COL2 SLIDE_DET 2V93_VEXT Change to NA (2007.12.20) R414 nSLIDE_DET U401 C401 - 122 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 122 CAM_DATA3 ICVE10184E150R500FR INOUT_A3 INOUT_B3 CAM_DATA2 CAM_DATA1 INOUT_A2 INOUT_B2 INOUT_A1 INOUT_B1 CAM_DATA0 Eliminated C513, C514, C523, C524 by Lee_071105 - 123 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 123 C645 RX850_P 100p 100p 100p C639 100p 100p ANT_SW1 ANT_SW2 GSM850/900 TX DCS/PCS TX GSM850/900 RX DCS/PCS RX - 124 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 124 SLIDE KEY BACKLIGHT DOWN VBAT KEY_ROW0 MENU KEY_ROW1 CONF RIGHT KEY_ROW2 LEFT KEY_BACKLIGHT KEY_ROW3 C104 C105 KEY_COL3 KEY_COL4 - 125 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 125 Change to 071218 by RF eng. Lee L100 SPK_RCV_P SPK_P C102 ERHZ0000401 MCR01MZSJ000 SPK_RCV_N SPK_N L101 C103 C104 VA102 VA103 - 126 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 126 KEY_ROW5 KEY_ROW0 KEY_ROW0 CAM/MP3 Side-key FPCB V_UP V_DOWN CN101 KEY_COL1 KEY_COL2 KEY_ROW0 KEY_ROW0 KEY_COL1 KEY_COL2 Volume Side-key FPCB - 127 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 128: Bga Ic Pin Check
8. BGA Pin Map 8. BGA Pin Map AD 6855 : ABB(U100) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
Page 132: Pcb Layout
9. PCB LAYOUT Motor driver Camera LDO Charge pump BT & Radio Hole sense IC - 133 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 133 Audio AMP RF Tranceiver Memory 32KHz Crystal BT Ant. pad SIM socket uSD socket Charging IC Back-up Batt. - 134 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 134 9. PCB LAYOUT Key backlight LED Key backlight LED BtoB conn.(to FPCB) ZIF conn.(to LCD) - 135 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 138: Engineering Mode
Backlight Buzzer Bluetooth on Buzzer Vibrator Bluetooth off Vibrator Key PAD Battery MicSpkTest Audio Camera Video Camera Bluetooth Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 139 - Only for training and service purposes...
Page 139: Bb Test [Menu 1]
This menu is to test the vibration mode. 1) Vibrator on : Vibration mode is on. 2) Vibrator off : Vibration mode is off. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 140 - Only for training and service purposes...
Page 140 2) DAI UPLINK : Speech encoder test 3) DAI DOWNLINK : Speech decoder test 4) DAI OFF : DAI mode off Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 141 - Only for training and service purposes...
Page 141: Rf Test [Menu 2]
[Soft2 Key]. If the key is working properly, name of the key is displayed on the screen. Test will be completed in 15 seconds automatically. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 142 - Only for training and service purposes...
Page 142: Trace Option [Menu 4]
RF Calibration data, etc. cannot be restored again. 10.7 S/W version This displays software version stored in the phone. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
Page 143: Stand Alone Test
- See if the value of RSSI is close to -16dBm when setting the value between 0 ~ 26 in Gain Control Index. - Normal phone should indicate the value of RSSI close to -16dBm. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
Page 144: Means Of Test
After setting them all above, press connect button. e. Press the start button Figure 11-1. HW test program Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
Page 145 11. STAND ALONE TEST Figure 11-2. HW test setting Figure 11-3. Ramping profile LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
Page 146: Auto Calibration
PC (for Software Installation) Pentium II class above 300MHz Table 12-2-1. Calibration Equipment List. Figure 12-2-2. Equipment Setup Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
Page 147: Test Jig Operation
Indicate data transfer state through the UART port LED 4 Indicate data transfer state through the MON port Table 12-3-3 LED Description LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
Page 148: Procedure
TEST JIG, in general.) 2. Run HK_26.exe to start calibration. 3. From the Calibration SETTING->Logic Operation menu KF240 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 - Only for training and service purposes...
Page 149 12. AUTO CALIBRATION 4. Set PORT COM1(useing RS232 cable) & Logic Mode 1 5. Select KF240 model and then Click Start KF240 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
Page 150: Agc
12.7 ADC This procedure is for battery calibration. You can get main Battery Config Table and temperature Config Table will be reset. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
Page 152: Exploded View & Replacement Part List
13. EXPLODED VIEW & REPLACEMENT PART LIST 13.1 EXPLODED VIEW - 153 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
Page 154: Replacement Parts
MOLD, POM TX-31, , , , , White MGDB00 GUIDE,RIGHT MGDB0006701 MOLD, POM TX-31, , , , , White MMAA00 MAGNET,SWITCH MMAA0005201 Metal Silver Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
Page 155 COMPLEX, (empty), , , , , Without Color 46, 68 MTAB00 TAPE,PROTECTION MTAB0205701 COMPLEX, (empty), , , , , Without Color LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
Page 156 MTAB0224001 Without Color ADCA00 DOME ASSY,METAL ADCA0074201 Without Color MLAZ00 LABEL MLAZ0038301 PID Label 4 Array Without Color Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
Page 157: Main Component
ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C101 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP C102 CAP,CERAMIC,CHIP ECCH0000113 18 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 POLYI ,0.2 mm,DOUBLE , ,; , , , , , , , , , SUMY00 MICROPHONE SUMY0003802 FPCB ,-42 dB,4*1.5 , SAFF00 PCB ASSY,MAIN,SMT SAFF0156206 PCB ASSY,MAIN, SAFC00 SAFC0101301 SMT BOTTOM Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
Page 159 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C130 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. - 160 - Only for training and service purposes...
Page 160 10000000 pF,6.3V ,K ,X5R ,TC ,2012 ,R/TP , , ,[empty] C301 CAP,CERAMIC,CHIP ECCH0006501 ,[empty] ,[empty] ,[empty] ,[empty] ,[empty] ,1.25 mm Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
Page 161 ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C607 CAP,CERAMIC,CHIP ECCH0000113 18 pF,50V,J,NP0,TC,1005,R/TP C608 CAP,CERAMIC,CHIP ECCH0000115 22 pF,50V,J,NP0,TC,1005,R/TP C609 CAP,CERAMIC,CHIP ECCH0000107 6 pF,50V,D,NP0,TC,1005,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 162 - Only for training and service purposes...
Page 162 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP 18 PIN,0.4 mm,ETC , , ,; ,18 ,0.40MM ,ANGLE CN300 CONNECTOR,I/O ENRY0006801 ,RECEPTACLE ,SMD ,R/TP , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 163 - Only for training and service purposes...
Page 163 10 Kohm,1/16W ,J ,1005 ,R/TP R204 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP R205 RES,CHIP,MAKER ERHZ0000406 100 Kohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 164 - Only for training and service purposes...
Page 164 BGA ,144 PIN,R/TP ,EGPRS Quad band ABB Stratos-S U101 EUSY0313501 BGA ,291 PIN,R/TP ,EGPRS Digital Base band, LEMANS Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 165 - Only for training and service purposes...
Page 165 ECZH0003503 1 uF,25V ,K ,X5R ,HD ,1608 ,R/TP C317 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP C318 CAP,CERAMIC,CHIP ECCH0000127 82 pF,50V,J,NP0,TC,1005,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 166 - Only for training and service purposes...
Page 166 FILTER,BEAD,CHIP SFBH0008101 600 ohm,1005 , FB500 FILTER,BEAD,CHIP SFBH0008101 600 ohm,1005 , FB501 FILTER,BEAD,CHIP SFBH0007102 10 ohm,1005 ,Ferrite Bead Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 167 - Only for training and service purposes...
Page 167 680 ohm,1/16W ,J ,1005 ,R/TP R402 RES,CHIP,MAKER ERHZ0000483 47 ohm,1/16W ,J ,1005 ,R/TP R403 RES,CHIP,MAKER ERHZ0000483 47 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 168 - Only for training and service purposes...
Page 168 ,[empty] ,[empty] ,2P ,1 VA303 VARISTOR SEVY0004101 5.6 V, ,SMD ,360pF, 1005 VA408 VARISTOR SEVY0004101 5.6 V, ,SMD ,360pF, 1005 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 169 - Only for training and service purposes...
Page 169 512MB / MICROSD / PSC MLC 1 DIE ,; ,Module SMZY00 MODULE,ETC SMZY0014205 Assembly MODULE,ETC SMZY0014203 512MB / MICROSD / SSE MLC 1 DIE , ,Module Assembly LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 170 - Only for training and service purposes...
Page 170: Accessory
100-240V ,5060 Hz,5.1 V,.7 A,CB/IRAM ,AC-DC ADAPTOR,AC-DC SSAD0025202 ADAPTOR ,; ,85Vac~264Vac ,5.1V, +0.15V, -0.2V ,700mA ,5060 , ,WALL 2P ,I/O CONNECTOR , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 171 - Only for training and service purposes...
Page 171 Note...
Page 172 Note...

LG KF240 Service Manual

1 Introduction

2 System Specification

3 Technical Brief

4 Trouble Shooting

5 Download

6 Block Diagram

7 Circuit Diagram

8 BGA IC Pin Check

9 Pcb Layout

10 Engineering Mode

11 Stand Alone Test

12 Auto Calibration

13 Exploded View & Replacement Part List

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