LG KT610 Service Manual
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Internal Use Only
Service Manual
KT610
Date: June, 2008 / Issue 1.0

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Summary of Contents for LG KT610

  • Page 1 Internal Use Only Service Manual KT610 Date: June, 2008 / Issue 1.0...
  • Page 2: Table Of Contents

    <Main component> ......211 4.3 Checking TCXO Block ......91 12.3 Accessory ..........233 4.4 Checking Ant. Switch Module Block ..93 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 3 - Only for training and service purposes...
  • Page 3: Only For Training And Service Purposes

    LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 4 - 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: Performance

    Earphone Jack Connectivity Bluetooth, USB Volume Key Push Type (+, -) External Memory Micro-SD I/O Connect 18 Pin Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 7 - Only for training and service purposes...
  • Page 7: Usable Environment

    85 % (Max) 2.2.2 Environment (Accessory) Reference Spec. Typ. Unit TA Power Available power * CLA : 12~24V(DC). LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 8 - Only for training and service purposes...
  • Page 8: Radio Performance

    -47dBm * In case of DCS : [A] -> 1710, [B] -> 1785* In case of PCS : [A] -> 1850, [B] -> 1910 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 9 -...
  • Page 9: Only For Training And Service Purposes

    * In case of DCS : [A] -> 1710, [B] -> 1785* In case of PCS : [A] -> 1850, [B] -> 1910 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

    ±4 ±3 ±4 ±5 ±4 ±5 ±4 ±5 ±4 ±5 ±5 ±5 Burst timing Mask IN Mask IN 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

    Occupied Bandwidth(OBW) 5MHz(99%) Spectrum emission Mask -35-15*(∆f-2.5)dBc@∆f=2.5~3.5MHz,30k -35-1*(∆f-3.5)dBc@∆f=3.5~7.5MHz,1M -39- 10*(∆f-7.5)dBc@∆f=7.5~8.5MHz,1M -49dBc@∆f=8.5~12.5MHz,1M Adjacent Channel Leakage Ratio(ACLR) 33dB@5MHz, ACP>-50dBm 43dB@10MHz, ACP>-50dBm 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

    -31dBc@5MHz,Interferer -40dBc -41dBc@10MHz, Interferer -40dBc Error Vector Magnitude (EVM) 17.5%(>-20dBm) (@12.2K, 1DPDCH+1DPCCH) Transmit OFF Power -15dB@SF=4.768Kbps, Multi-code transmission 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

    Wanted Signal :-101dBm Wanted Signal :-101dBm (TCH/FS Class , RBER) Unwanted : Depend on Unwanted : Depend on Frequency Frequency LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 14 - Only for training and service purposes...
  • Page 14: Only For Training And Service Purposes

    -60dBm@f=1850 MHz ≤ f ≤ 1910 MHz, 3.84M BW -60dBm@f=824 MHz ≤ f ≤ 849 MHz, 3.84M BW Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 15 - Only for training and service purposes...
  • Page 15: Current Consumption

    Bar 2 → 1 / Bar 1 → Empty Warning message + tone Power Off 3.20 ± 0.05V LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 16 - Only for training and service purposes...
  • Page 16: Sound Pressure Level

    MS/Headset SLR : 8 ± 3dB MS/Headset RLR : -15 ± 3dB / -12dB (SLR/RLR : Mid-value setting) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 17 - Only for training and service purposes...
  • Page 17: Charging

    • Low battery alarm interval : Idle - 3 min, Dedicated - 1min • Cut-off voltage : 3.22V LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 18 - Only for training and service purposes...
  • Page 18: Technical Brief

    GMSK-modulated or 8-PSK-modulated signal to RF. [Fig. 3.1] Block diagram of RF part A generic, high-level functional block diagram of KT610 is shown in Figure 3-1. One antenna collects base station forward link signals and radiates handset reverse link signals. The antenna connects with receive and transmit paths through a SKY77519(EDGE PAM+ASM).
  • Page 19: Only For Training And Service Purposes

    2. The amplitude-modulated (AM) component is applied to the ramping control pin of Polar power amplifier from a DAC within the MSM KT610 power supply voltages are managed and regulated by the PM6658 Power Management IC. This versatile device integrates all wireless handset power management, general housekeeping, and user interface support functions into a single mixed signal IC.
  • Page 20: Gsm Mode

    RF filter outputs all the way into the IC pins [Figure 3-2] GSM Receiver Inputs Topologies Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 21 -...
  • Page 21: Only For Training And Service Purposes

    DC offset corrections. The filter outputs are buffered and passed on to the MSM6280 IC for further processing as shown in Figure 3-4. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 22 - Only for training and service purposes...
  • Page 22: Only For Training And Service Purposes

    This design guideline shows a tri-band GSM application. Both high-band and low band outputs are followed by resistive pads to ensure that the load presented to the outputs remains close to 50ohm. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
  • Page 23: Umts Mode

    The UMTS baseband outputs are turned off when the RTR6285 is downconverting GSM signals and on when the UMTS is operating. [Figure 3-4] UMTS Receiver Inputs Topologies LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 24 - Only for training and service purposes...
  • Page 24: Only For Training And Service Purposes

    FRF. The RTR6285 IC is able to support UMTS 2100/1900/1800/1700 and 850 mode transmitting. This design guideline shows only UMTS 2100 applications. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 25 - Only for training and service purposes...
  • Page 25: Only For Training And Service Purposes

    3. TECHNICAL BRIEF WCDMA_2100_TX WCDMA_2100_RX [Figure 3.5] RTR6285 IC Functional Block Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 26 - Only for training and service purposes...
  • Page 26: Gps Mode

    GPS LNA. The impedance transformer circuit topology is shown in Figure 3-6. [Figure 3.6] GPS Input Network Topology Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 27 -...
  • Page 27: Lo Generation And Distribution Circuit

    With the integrated fractional-N PLL synthesizers, the RTR6285 ICs have the advantage of more flexible loop bandwidth control, fast lock time, and lowintegrated phase error. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 28 - Only for training and service purposes...
  • Page 28: Off-Chip Rf Components

    The antenna switch module allows multiple operating bands and modes to share the same antenna. In KT610, a common antenna connects to one of six paths: 1) UMTS-2100 Rx/Tx, 2) GSM-900 Rx, 3) GSM-900 Tx, 4) GSM- 1800 Rx, and 5) GSM-1800, GSM-1900 Tx(High Band Tx’s share the same path), 6) GSM-1900 Rx.
  • Page 29: Only For Training And Service Purposes

    GSM 1900 RX HIGH HIGH WCDMA HIGH Table 1. Antenna Switch Module Logic [Figure 3.5] SKY77519 Functional Block Diagram. 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

    The excellent power handling capability of the FBAR bulk- mode resonators supports the high output power levels needed in handsets while adding virtually no distortion. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 31 -...
  • Page 31: Digital Baseband (Stn8810 / Msm6280)

    C multi-master/slave interfaces - One 8-channel, full-duplex high-speed serial interface, 108 Mbit/s - Host port interface - JTAG 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

    ■ Advanced 14x14 mm, 0.5 mm pitch, 409-pin lead-free CSP packaging technology and 11x11 mm, 0.4 mm pitch, 432-pin lead free NSP technology ■ SD/SDIO hardware support Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 33 -...
  • Page 33: Hardware Architecture

    18pin 18pin USB SW USB SW Conn. Conn. Conn. Conn. Battery Battery Power Power Figure. Simplified Block Diagram 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

    3. TECHNICAL BRIEF 3.8.1 STn8810 and supported peripherals Figure. STn8810 and supported peripherals Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 35 - Only for training and service purposes...
  • Page 35: Only For Training And Service Purposes

    3. TECHNICAL BRIEF 3.8.2 MSM6280 and supported peripherals Figure. MSM6280 and supported peripherals LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 36 - Only for training and service purposes...
  • Page 36: Subsystem Of Stn8810

    ■ Audio sample rates of 32 kHz, 44.1 kHz and 48 kHz ■ Noise reduction and echo cancelling ■ Stereo enhancements and surround effects Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 37 -...
  • Page 37: Only For Training And Service Purposes

    ■ Any GPIO may be used to wake up the device from sleep mode independent of interrupt programming, and the input level that triggers wake-up is definable for each enabled GPIO LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 38 - Only for training and service purposes...
  • Page 38: Only For Training And Service Purposes

    This interface can directly control one SD card (without encryption/decryption logic) or SDIO card, or one MultiMediaCard. It also supports several of each card type using the GPIOs for card selection. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only...
  • Page 39: Hardware Peripheral System Of Stn8810

    3.10.1 Keypad KS10 has 75 buttons, 19 keys in Folder, 54 keys in main and 2 side keys. KT610 use key coder IC because Stn8810 has not enough GPIO. Key coder IC use interrupt and I2C interface for communication with STn8810.
  • Page 40: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure. Schematic of keypad Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 41 - Only for training and service purposes...
  • Page 41: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure. Schematic of keypad LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 42 - Only for training and service purposes...
  • Page 42: Only For Training And Service Purposes

    If a magnet is close to the hall-effect switch, the voltage at pin1 of U402 goes to 0V. This folder signal is delivered to GPIO5 of the Main CPU(U100) . Figure. Schematic of folder on/off detection circuit Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 43 -...
  • Page 43: Only For Training And Service Purposes

    Both of them are controlled by PM6658. Figure. Schematic of main PCB keypad backlight circuit Figure. Schematic of key PCB keypad backlight circuit 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

    SD Socket (ST Micro.) (ST Micro.) Command Command Data Data SD_INT PMIC (ST Micro.) SD Socket (ST Micro.) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 45 - Only for training and service purposes...
  • Page 45: Subsystem Of Msm6280

    These parameters support handset-level housekeeping functions - various tasks that must be performed to keep the “house” or handset, in order. Thus the term housekeeping ADC (HKADC) is used. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 46 - Only for training and service purposes...
  • Page 46: Only For Training And Service Purposes

    RAM, ROM, and general-purpose chip-selects, a parallel LCD interface, and a UART interface. The function of these pins is documented in the various software releases. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 47 -...
  • Page 47: External Memory Interface

    - Support for memory accesses (with exception of NAND) by SYS AHB and DMA AHB bus. NAND is accessed through a special controller LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 48 - Only for training and service purposes...
  • Page 48: Only For Training And Service Purposes

    35 ns/Bytes 50 ns/Bytes SDRAM TYA000BC00DOGG Toshiba 107 ns/4Double Word 53 ns/4Double Word Table. External memory interface for KT610 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 49 - Only for training and service purposes...
  • Page 49: Hardware Sub System Of Msm6280

    ■ Platform 3U Lite is Platform 3U minus the RFR6220 IC, and it is also supported by the MSM6280 device. Platform 3U Lite supports the following bands/modes - UMTS/HSDPA 2100/1900 MHz and GSM/GPRS/EDGE 850/900/1800/1900 MHz 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

    3. TECHNICAL BRIEF ) ! ! Figure. Schematic of RF Interface of MSM6280` Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 51 - Only for training and service purposes...
  • Page 51: Only For Training And Service Purposes

    UART signals are connected to MSM GPIO through IO connector with 115.2kbps speed. And, used for RF calibration and Data download. GPIO_Map Name Note GPIO_96 UART_RXD Data_Rx GPIO_95 UART_TXD Data_Tx Table. UART interface 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 USB 2.0 specification requires hosts such as PCs to support all three USB speeds, namely low- speed (1.5 Mbps), full-speed (12 Mbps) and hi-speed (480 Mbps). The USB 2.0 specification allows peripherals to support any one or more of these speeds. KT610’s USB interface uses the PM6658 internal logic for USB Transceiver. Name Note...
  • Page 53: Only For Training And Service Purposes

    USB_D- Figure. USB Interface MSM6280_USB Block PM6658_USB Block Figure. Schematic of USB block (MSM6280 Side & PM6658 Side) 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

    Battery voltage level sensing HKADC2 HKADC3 VBAT_TEMP Battery Temperature sensing HKADC4 PCB_Rev_ADC PCB Revision Checking HKADC5 Table. HKADC channel table Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 55 - Only for training and service purposes...
  • Page 55: Only For Training And Service Purposes

    (VREG_MSMC = 1.200 or 1.375 V) and determine whether a buck regulator (VREG_S3) is enabled or not upon power up. 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

    3. TECHNICAL BRIEF Figure. PM6658 Functional Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 57 - Only for training and service purposes...
  • Page 57: Only For Training And Service Purposes

    Figure. Charging sequence for a severely depleted battery 3.74V~3.70V 3.69V~3.64V 3.63V~3.51V 3.50V~3.20V 3.78V~3.75V 3.86V~3.79V 4.2V~3.96V 3.95V ~ 3.87V Figure. KT610 Battery Bar Display (Standby condition) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 58 - Only for training and service purposes...
  • Page 58 MSM device’s HKADC (routed through the PM analog multiplexer) and the battery type - there is no preset termination threshold. Figure. Trickle Charging Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 59 -...
  • Page 59: Only For Training And Service Purposes

    Lithiumion batteries require further charging using constant voltage or pulsed techniques. Figure. Constant current charging LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 60 - Only for training and service purposes...
  • Page 60: Only For Training And Service Purposes

    VMAXSEL. This ensures the most accurate final battery voltage - lithium-ion battery manufacturers recommend a voltage accuracy of 1% or better at the end of charge. Figure. VBAT regulation during constant voltage charging Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 61 -...
  • Page 61: Audio And Sound

    GPIO 18PIN CONN LINE1 6280 LINE2 WM_MONO1 WM_MONO2 HOOK_SENSE_N EAR_SENSE_N Figure. Block diagram of Audio & Sound path 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

    The audio front end includes additional DSP audio processing that does gains, filtering and other audio processing. The DSP audio processing is configured through the QDSP4000 command types, and is not directly controlled by the microprocessor. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 63 -...
  • Page 63: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Figure. Detailed diagram of MSM6275 audio interface 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

    This high-performance block performs an audio hardware accelerator based on a programmable audio DSP with 24-bit data path and ultra low power implementation. Figure. Detailed diagram of STn8810 audio interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 65 -...
  • Page 65: Only For Training And Service Purposes

    Bass Boost and automatic level control for the microphone or line input through the ADC. Figure. Detailed diagram of WM8753L audio interface LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 66 - Only for training and service purposes...
  • Page 66: Only For Training And Service Purposes

    3. TECHNICAL BRIEF MSM6280 Block Handset main MIC Block Head Set Jack Block c r i t i u 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

    3. TECHNICAL BRIEF Audio Codec(WM8753) Block Audio Codec(WM8753) Block LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 68 - Only for training and service purposes...
  • Page 68: Camera Interface

    3. TECHNICAL BRIEF 3.15 Camera interface KT610 has two cameras : 2M Pixel CMOS and VGA Pixel CMOS Camera Below figures shows the camera board to board connector and camera I/F signal. 3.15.1 2 Mega Camera Interface Figure. Schematic of 2 Mega Camera EMI/ESD filter I/F Figure.
  • Page 69: Only For Training And Service Purposes

    (max.15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from camera module. The camera module is controlled by I2C port from STN8810. 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

    3.15.2 VGA Camera Interface Figure. Schematic of Main-Folder B to B connector (in main BD) Figure. Schematic of VGA Camera Board to Board Connector (in Main-Folder FPCB) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 71 -...
  • Page 71: Only For Training And Service Purposes

    Analog core circuit power supply voltage & Digital I/O circuit power supply voltage Table. Interface between Camera Module and Main Board (in camera module) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 72 - Only for training and service purposes...
  • Page 72: Only For Training And Service Purposes

    U100(in Key PCB) is a charge pump. This module supply the 1.8V and 2.8V power to VGA camera. This part is controlled by I2C of STN8810. Figure. Schematic of charge pump Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 73 -...
  • Page 73: Only For Training And Service Purposes

    EMI/ESD filter nRESET LCD_VSYNC Sub LCD nS_CS EMI/ESD filter 1.45íí 160X64 SUB backlight control Figure. LCD I/F Block Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 74 - Only for training and service purposes...
  • Page 74: Only For Training And Service Purposes

    The LCD is controlled by 16-bit in STN8810. Figure. Schematic of Main-Folder FPCB B to B connector (in main BD) Figure. Schematic of LCD connector (in Key PCB) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 75 -...
  • Page 75: Only For Training And Service Purposes

    3. TECHNICAL BRIEF Table. Interface between LCD Module and Main Board (in camera module) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 76 - Only for training and service purposes...
  • Page 76: Bluetooth

    3. TECHNICAL BRIEF 3.16 Bluetooth KT610 supported bluetooth, which is possible to data file transfer, BT headset call. CPU (STn8810) interfaces with bluetooth one chip module (U100 in Sub) which includes RF and baseband. The STLC2500C is a single chip ROM-based Bluetooth solution for applications requiring integration up to HCI level.
  • Page 77: Main Features

    - JPEG en/decoder - Support Bluetooth, USB - 108.9 x 53.9 x 17.2 mm - 950mAh hard pack LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 78 - Only for training and service purposes...
  • Page 78: Main Component

    SUB Bottom Side SUB Top Side Internal Antenna KEY Top Side KEY Bottom Side LCD, R Speaker, Receiver 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

    3. TECHNICAL BRIEF 3.18.1.1 Main Top Side U402 Side Key Reference Description U402 Folder_Sense IC 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

    U304 U800 U401 U501 CN400 U100 X300 X601 U209 U305 U803 U303 U602 U201 U601 SW601 U604 MIC200 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

    Single SPDT Analog Switch U602 RTR6285 U201 Audio Codec. U601 RF Tx Module SW601 RF ADAPTER U604 RF PAM MIC200 Microphone LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 82 - Only for training and service purposes...
  • Page 82: Only For Training And Service Purposes

    Back Up Battery CN100 SUB to MAIN Connector S100 Micro-SD Card Socket X100 19.2MHz Oscillator U101 Bluetooth Module 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

    Reference Description SW115 Dome Switch CN100 FCPB to Key PCB Connector U100 LCD Backlight Driver Back light LED 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

    CN103 CN101 Reference Description Reference Description Speaker Speaker CN103 FPCB to LCD Connector Vibrator Vibrator CN101 MAIN-SLIDER CON-SOCKET Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 85 - Only for training and service purposes...
  • Page 85: Trouble Shooting

    U802 Coupler FL607 WCDMA TX SAW FL601 GSM RX SAW SW601 RF Antenna Connector FL602 DCS RX SAW LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 86 - Only for training and service purposes...
  • Page 86: Only For Training And Service Purposes

    ANT605 U603 FL604 RF component (GPS) Reference Description ANT605 GPS ANTENNA U603 GPS LNA FL604 GPS SAW FILTER Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 87 - Only for training and service purposes...
  • Page 87: Signal Path

    4. TROUBLE SHOOTING 4.2 SIGNAL PATH GSM/DCS/PCS Rx Tx PATH A. GSM/DCS/PCS Rx PATH B. GSM/DCS/PCS Tx PATH 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

    4. TROUBLE SHOOTING WCDMA RX/ TX PATH C. WCDMA Rx PATH D. WCDMA Tx PATH Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 89 - Only for training and service purposes...
  • Page 89: Only For Training And Service Purposes

    4. TROUBLE SHOOTING GPS Signal PATH E. GPS Rx PATH LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 90 - Only for training and service purposes...
  • Page 90: Checking Tcxo Block

    The output frequency (19.2MHz) of TCXO (X601) is used as the reference one of RTR6285 and PM6658 internal VCO. Schematic of the Crystal Part (19.2MHz) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 91 -...
  • Page 91: Only For Training And Service Purposes

    Check TP2 2.4V Voltage 0.4V Check MSM6280 Check TP3 Check soldering and 19.2 MHz Signal components TCXO is OK LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 92 - Only for training and service purposes...
  • Page 92: Checking Ant. Switch Module Block

    4.4 Checking Ant. Switch Module Block VBATT (TP1) U601 Ant_Sel2 Ant_Sel1 Ant_Sel0 Schematic of the Antenna Switch Block Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 93 - Only for training and service purposes...
  • Page 93: Only For Training And Service Purposes

    Check ANT_SEL0, 1, 2 High Level 1.2V < Voltage < 7V Check TP1 VBATT Check the Logic In each mode LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 94 - Only for training and service purposes...
  • Page 94: Checking Wcdma Block

    3. Check RF Tx Level 4. Check PAM Block Refer to 1.5.4 5. Check RF Level 6. Re-download SW & Cal. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 95 - Only for training and service purposes...
  • Page 95: Checking Rf Tx Level

    Refer to 1.3 4.5.2 Checking ASM Block Refer to 1.4 4.5.3 Checking RF TX Level Test Point (TX Level) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 96 - Only for training and service purposes...
  • Page 96 4. TROUBLE SHOOTING Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 97 - Only for training and service purposes...
  • Page 97 RTR6285 Maximum output Power = 7 dBm RTR6285 minimum output Power = -80 dBm PAM(ACPM-7381) = Maximum input Power = 10 dBm LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 98 - Only for training and service purposes...
  • Page 98: Checking Pam Block

    When PAM is under the operation of high power mode (PA_R0:Low), PAM OUT power must be over 21 dBm PAM IN power must be under 10 dBm Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 99 -...
  • Page 99 4. TROUBLE SHOOTING LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 100 - Only for training and service purposes...
  • Page 100 Over 21 dBm ? Check TP2 Check MSM6280 PA_R0 2.6 V Check TP1 Check RTR6285 Over 10 dBm? Change the board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 101 - Only for training and service purposes...
  • Page 101 4. TROUBLE SHOOTING 4.5.5 Checking RF Rx Level Test Point (RF Rx Level) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 102 - Only for training and service purposes...
  • Page 102 4. TROUBLE SHOOTING Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 103 - Only for training and service purposes...
  • Page 103 4. TROUBLE SHOOTING Bias Block LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 104 - Only for training and service purposes...
  • Page 104 Check Duplexer Signal exist ? Check TP4 Check RTR6285 and Signal exist ? Rx SAW filter Change the board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 105 - Only for training and service purposes...
  • Page 105: Checking Gsm Block

    1. Check TCXO Block 2. Check ANT.SW Module 3. Check RF TRX Level 4. Re-download SW & Cal. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 106 - Only for training and service purposes...
  • Page 106 4.6.1 Checking TCXO Block Refer to 1.3 4.6.2 Checking ASM Block Refer to 1.4 4.6.3 Checking RF TX Level Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 107 - Only for training and service purposes...
  • Page 107 4. TROUBLE SHOOTING LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 108 - Only for training and service purposes...
  • Page 108 Refer to 1.4 No Problem Check soldering and Check RTR & PAD components Still exist Problem Change the board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 109 - Only for training and service purposes...
  • Page 109: Checking Rf Rx Block

    4.6.4 Checking RF Rx Block GSM900 PCS1900 DCS1800 GSM Band 925-960MHz DCS Band 1805-1880MHz PCS Band 1930-1990MHz Schematic of GSM/DCS/PCS Rx Block LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 110 - Only for training and service purposes...
  • Page 110 4. TROUBLE SHOOTING Schematic of GSM/DCS/PCS Rx Block Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 111 - Only for training and service purposes...
  • Page 111 Refer 1.4 Signal exist ? Check TP3 Check RTR6285 and Signal exist ? Rx SAW filter Change the board LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 112 - Only for training and service purposes...
  • Page 112: Power On Trouble

    VREG_MSMA_2.6V power up? Is clock ok? X300 : 19.2M Check the TXCO X800 : 32.768Khz Change the Main board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 113 - Only for training and service purposes...
  • Page 113 PS_HOLD (D801) VREG_MSMC_1. 2V (C802) VDD_IO_1.8V (C304) VREG_TCXO_2.85V (C823) <TOP Side> X601 (TCXO) VDD_IO_2.7V(C326) X300 (19.2MHz OSC) KEY_ON_SW_N (ZD404) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 114 - Only for training and service purposes...
  • Page 114: Usb Trouble

    USB cable to 5V? Check VA200 USB_D+ is about to 3.3V? Change the Main board VA200 (USB_D+) VA203(USB_VBUS) Q801 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 115 - Only for training and service purposes...
  • Page 115: Sim Detect Trouble

    Change SIM card Work well? Change the Main board C320 (USIM_P_RST_N) C321 (USIM_P_CLK) C322 (VREG_USIM_2.85V) R307 (USIM_P_DATA) J300 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 116 - Only for training and service purposes...
  • Page 116: Key Sense Trouble

    Change FPCB Work well? Dome sheet Change Key PCB Work well? Check R406,R407,C416,R856,R851 Work well? Change the Main board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 117 - Only for training and service purposes...
  • Page 117 R851 RA401 R856, R851 U400 C417 R406 R407 RA401 R406 R407 U400 C417 Schematic of key sense part LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 118 - Only for training and service purposes...
  • Page 118: Keypad Backlight Trouble

    LD100~101 and R103~104 (Sub) Work well? Change the main & Sub board LD400~403 and R409 ~412 LD100~101 and R103~104 (Sub) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 119 - Only for training and service purposes...
  • Page 119 R852 (KPD_DRV_N) LD400~403 and R409~412 (Main) KEYPAD LED (SUB) LD101~101 and R103~104 (Sub) Schematic of keypad backlight part LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 120 - Only for training and service purposes...
  • Page 120: Folder On/Off Trouble

    Change the Main Board FLIP(U402 pin#1, C418) is 0V? Change the Main Board Work well? magnet C418 U402 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 121 - Only for training and service purposes...
  • Page 121 4. TROUBLE SHOOTING U100 U501-1 STN8810S12B2V1 MSM6280_A Schematic of Folder on/off part LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 122 - Only for training and service purposes...
  • Page 122: Micro Sd Trouble

    2.85V? Change the main board Check the Pull up resistor R100, RA100 S100 (MicroSD Socket) R100 RA100 D101 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 123 - Only for training and service purposes...
  • Page 123 4. TROUBLE SHOOTING R100, RA100 D101 Pin#6 of Sub (SD_INT) C106 (VMMC_3.1V) Schematic of Micro SD LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 124 - Only for training and service purposes...
  • Page 124: Charging Trouble

    ■ Trouble Shooting Procedure - Check the charger connector - Check the charging current path - Check the battery Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 125 - Only for training and service purposes...
  • Page 125 Is the USB voltage 5.0V? Check the U208, Q800 Charging OK? Change the board Q800 U208 PM665 8(U801) (C819) VBAT (C800) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 126 - Only for training and service purposes...
  • Page 126: Audio Trouble

    Check the pads of Receiver R101,R102 of Folder FPCB? Check connector pin or change the LCD FPCB Can you hear the tone? Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 127 - Only for training and service purposes...
  • Page 127 (B to B connector to LCD FPCB C210,C211 C403,C404 C225, C226 CN400 (B to B connector between Main and Folder ) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 128 - Only for training and service purposes...
  • Page 128 Main bíd R218,R219 ? Check the CN201 or change Can you hear the tone? the Main bíd Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 129 - Only for training and service purposes...
  • Page 129 U201 (audio codec) C240, C241 U209 (audio subsystem) U501 (MSM6280) R218, R219 #8pin of CN201 CN201(Headset Jack) Main PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 130 - Only for training and service purposes...
  • Page 130 Main bíd R218,R219 ? Check the CN201 or change Can you hear the tone? the Main bíd Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 131 - Only for training and service purposes...
  • Page 131 U201 (audio codec) C240, C241 U209 (audio subsystem) U100 (STN8810) R218, R219 #8pin of CN201 CN201(Headset Jack) Main PCB LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 132 - Only for training and service purposes...
  • Page 132 70pin connector pads of speaker? Change the speaker Can you hear the tone? or LCD Module C237,C238 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 133 - Only for training and service purposes...
  • Page 133 The sine wave appear at and 70pin connector pads of speaker? Change the speaker Can you hear the tone? or LCD Module LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 134 - Only for training and service purposes...
  • Page 134 Speaker pads Speaker R U201 C237,C238 C210,C211 C403,C404 CN400 (B to B connector between Main and Folder ) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 135 - Only for training and service purposes...
  • Page 135 Can you scoping some Check the U201 or sound signal at C214,C219 ? Change the Main Bíd Work well? LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 136 - Only for training and service purposes...
  • Page 136 4. TROUBLE SHOOTING Main MIC (MIC200) C239, C243 C223 C214, C219 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 137 - Only for training and service purposes...
  • Page 137 Check the U201 or Can you scoping some Change the Main Bíd sound signal at C214,C219? Work well? LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 138 - Only for training and service purposes...
  • Page 138 4. TROUBLE SHOOTING C220, C221 U201 (audio codec) C214, C219 #8pin of CN201 CN201(Headset Jack) Main PCB Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 139 - Only for training and service purposes...
  • Page 139: Camera Trouble

    2M camera control signals are generated by STN8810 and MSM6280. VGA camera control signals are generated by STN8810. Data signals are processed by STN8810. KT610 has two cameras. The one is a 2 Mega Camera, the other is VGA camera. 2M START Check the camera conn.
  • Page 140 CAM_IF_POWER (TP507) 2M_RSTN (C409) 2M_PWDN (TP400) 24MHz Master Clock (R405) AP_VDD_CAM_IO_2.7V AP_VDD_CAM_1.8V (FB400) AP_VDD_CAM_AVDD_2.7V CCIRICLK (FB401) FL403 (#2) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 141 - Only for training and service purposes...
  • Page 141 AP_VDD_CAM_ IO_2.7V AP_VDD_CAM_ AVDD_2.7V AP_VDD_CAM_1.8V 2M_RSTN 2M_PWDN CCIRICLK_CAM CAMCLK_24MHZ_CAM FL403 (#2) FL403 (#1) Schematic of 2M camera part LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 142 - Only for training and service purposes...
  • Page 142 Check the CCIRCLK (in FPCB) (FL100 #2) Change the camera Change the slider FPCB Camera is OK Change the Main board Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 143 - Only for training and service purposes...
  • Page 143 4. TROUBLE SHOOTING VGA_RSTN VGA_STANDBY (R403) (R402) MCLK_27MHZ_CAM (R404) AP_VDD_CAM_2.8V (C109) AP_VDD_CAM_1.8V (C108) CCIRICLK (FL100 #2) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 144 - Only for training and service purposes...
  • Page 144 MCLK_27MHZ_CAM CCIRCLK (in Main BD) FL100 #2 (in FPCB) AP_VDD_CAM_1.8V AP_VDD_CAM_2.8V LCD_Backlight driver Schematic of VGA camera part Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 145 - Only for training and service purposes...
  • Page 145: Main Lcd Trouble

    & re-check Display OK? Change the Backlight Driver IC in Key PCB Change the LCD module The LCD works LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 146 - Only for training and service purposes...
  • Page 146 LCD_NRESET (R400) LCD_DATA(0) (FL404 #4) AP_VDD_LCD_2.7V (C107) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 147 - Only for training and service purposes...
  • Page 147 LCD_NRESET LCD_VS LCD_DATE (In Main BD) AP_VDD_LCD_2.7V (In Key PCB) Schematic of LCD part LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 148 - Only for training and service purposes...
  • Page 148: Bluetooth Trouble

    PCM I/F AP_VDD_IO_2.7V is same with AP_VDD_BT_2.7V which are just connected through 0 ohm resistor X100 R109 FL100 C123 ANT100 R110 Figure. Schematic of Bluetooth Interface Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 149 - Only for training and service purposes...
  • Page 149 < -6 dBm? (ANT100) soldering Check FL100 soldering Change Bluetooth is work well? the main board FL100 ANT100 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 150 - Only for training and service purposes...
  • Page 150: Download

    (You can see the list in Device Manager window on your PC) Reference Setting manual - NEXUS-III Manual_Kor_8P_080115_ .ppt (Page 9~) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 151 - Only for training and service purposes...
  • Page 151 MMI18P-COMM (MRO 1671570) 5.5.4 Com Port Setting method about USB • KT610 Model USB Driver is just same as KT610 Model which is not working as normal Qualcomm 3G chipset. • After connecting USB1, USB2, etc. to Phone, • f you find new HW device in Device Manager and click Folder which contains above file ‘lgjoyusb.sys’, then it will be installed.
  • Page 152 5. DOWNLOAD Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 153 - Only for training and service purposes...
  • Page 153: How To Kt610 Download

    • Port Selection : After checking the USB Mode , it should be checked for the download port from COM57 to COM72. • DLL Selection : Selecting the DLL file in C:\DOWNLOAD\Model\KT610 • Run Download Configuration : - AP Image : Select the BIN file in C:\DOWNLOAD\Model\KT610 - MP Image : Select the DZ file in C:\DOWNLOAD\Model\KT610 - Select the Update Boot, Update Modem Boot when changing the buyer.
  • Page 154 5. DOWNLOAD Select USB Mode Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 155 - Only for training and service purposes...
  • Page 155: How To Download

    • D/Load PASS : Font color turn to blue and display the ‘Pass’ • In case of Fail, it will be reconnected. In case of ‘Pass’, connect the new phone. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 156 - Only for training and service purposes...
  • Page 156: Block Diagram

    (ACMD- 7602) (19.2MHz PWR_DET USIM UMTS2100_RX GPS_IN PM6558 PM6558 GPS LNA GPS LN SAW Filter (ALM- 1412) GPS_LNA_EN Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 157 - Only for training and service purposes...
  • Page 157 î 5 î 4 t f i t f i g i l t f i t f i LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 158 - Only for training and service purposes...
  • Page 158 6. BLOCK DIAGRAM PYXIS LCD Block Diagram & í í t l i t l i í í Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 159 - Only for training and service purposes...
  • Page 159 6. BLOCK DIAGRAM PYXIS Camera Block Diagram t f i t f i t l i t l i LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 160 - Only for training and service purposes...
  • Page 160 6. BLOCK DIAGRAM PYXIS Audio Block t l i t f i t f i Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 161 - Only for training and service purposes...
  • Page 161 6. BLOCK DIAGRAM PYXIS Clock Distribution Diagram LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 162 - Only for training and service purposes...
  • Page 162 6. BLOCK DIAGRAM PYXIS Power Distribution Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 163 - Only for training and service purposes...
  • Page 163 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 164 - Only for training and service purposes...
  • Page 164: Circuit Diagram

    7. CIRCUIT DIAGRAM - 165 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 165 7. CIRCUIT DIAGRAM c r i t i u - 166 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 166 7. CIRCUIT DIAGRAM - 167 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 167 7. CIRCUIT DIAGRAM - 168 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 168 , t i , t i > > ) ! ! - 169 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 169 7. CIRCUIT DIAGRAM y l t - 170 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 170 7. CIRCUIT DIAGRAM c r i t i u ) t l ) t l - 171 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 171 7. CIRCUIT DIAGRAM - 172 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 172 7. CIRCUIT DIAGRAM - 173 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 173 7. CIRCUIT DIAGRAM - 174 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 174 7. CIRCUIT DIAGRAM - 175 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 175 - 176 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 176: Bga Ic Pin Check

    8. BGA IC PIN CHECK 8. BGA IC PIN CHECK CPU : STn8810 (U100) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 177 - Only for training and service purposes...
  • Page 177 8. BGA IC PIN CHECK CPU : STn8810 (U100) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 178 - Only for training and service purposes...
  • Page 178 8. BGA IC PIN CHECK Audio Codec. : WM8753 (U201) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 179 - Only for training and service purposes...
  • Page 179 8. BGA IC PIN CHECK ST PMIC : STw4810 (U302) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 180 - Only for training and service purposes...
  • Page 180 8. BGA IC PIN CHECK Key Coder IC : LM8333 (U400) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 181 - Only for training and service purposes...
  • Page 181 8. BGA IC PIN CHECK Modem : MSM6280 (U501) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 182 - Only for training and service purposes...
  • Page 182 8. BGA IC PIN CHECK MCP (Memory) : TY9000A800KOGG40 (U800) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 183 - Only for training and service purposes...
  • Page 183 8. BGA IC PIN CHECK MSM PMIC : PM6658 (U801) LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 184 - Only for training and service purposes...
  • Page 184 8. BGA IC PIN CHECK BT : STLC2500C (U101, Sub) Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 185 - Only for training and service purposes...
  • Page 185 LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 186 - Only for training and service purposes...
  • Page 186: Pcb Layout

    9. PCB LAYOUT U402 Folder Sensor No detection about folder open / close - 187 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 187 FL607 WCDMA2100 TX Sawfilter. RX Sensitivity. No Service. TX Power. No Service. U604 WCDMA2100 Power amplifier. TX power. No Service. - 188 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 188 S100 Micro SD Socket No Micro SD recognition CN100 SUB BtoB Conn. No BT No Micro-SD No RTC - 189 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 189 9. PCB LAYOUT U101 BT Chip Set No BT - 190 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 190 9. PCB LAYOUT - 191 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 191 9. PCB LAYOUT U100 LCD Back Light Driver No LCD Back Light No Camera - 192 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 192 No Folder Key CN102 Key PCB BtoB Conn. No Folder Key CN100 VGA Camera Conn. No VGA Camera - 193 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 193 No Sound No Vibrator No VGA Camera No Call Voice CN103 LCD Conn. No Display No Right Speaker - 194 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 194: Calibration & Rf Auto Test (Hot Kimchi)

    Choose “1” in LOGIC MODE (means calibration alone) 2.Select the model name which you want in list box 3.Click Start button to calibrate a phone Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 195 -...
  • Page 195 - You can run the multi mode (S/B1,S/B2 : You can use S/B1 for only one port.) - You can set the path of HOTKIMCHI program. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 196 - Only for training and service purposes...
  • Page 196 - Running, Log window is created in center area. It displays logs of command, and measurements of Calibration or Autotest. - The result files are saved in the directory “~janghee\debug\Cal”, “~janghee\debug\Auto”, or “~janghee\debug\CalAuto”. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 197 - Only for training and service purposes...
  • Page 197: Test Mode

    The key sequence for switching the test mode on is 3845#*610#. Pressing END will switch back to non-test mode operation. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 198 - Only for training and service purposes...
  • Page 198 This menu is to test volume gain of codec. 2.5.6 Next Gen. Echo Cancel Test This menu is to test extended echo cancellation parameter of codec. Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 199 -...
  • Page 199 7. XDL This menu is used for flashing AP and MP SW image using micro SD during mass production. LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 200 - Only for training and service purposes...
  • Page 200: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW 28 29 40 43 35 36 78 79 68 73 - 201 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 201 12. EXPLODED VIEW & REPLACEMENT PART LIST - 202 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 202 12. EXPLODED VIEW & REPLACEMENT PART LIST - 203 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 203 12. EXPLODED VIEW & REPLACEMENT PART LIST - 204 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 204 12. EXPLODED VIEW & REPLACEMENT PART LIST - 205 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 205 - 206 - Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 206: Replacement Parts

    COMPLEX, (empty), , , , , Black O, 35 MTAJ00 TAPE,FLEXIBLE PCB MTAJ0007901 COMPLEX, (empty), , , , , Black N, 31 Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 207 - Only for training and service purposes...
  • Page 207 COMPLEX, (empty), , , , , Black Color MWAE00 WINDOW,CAMERA MWAE0032101 CUTTING, PMMA MR 200, , , , , Unfixed LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 208 - Only for training and service purposes...
  • Page 208 MOLD, PC LUPOY SC-1004A, , , , , Black MPBZ00 MPBZ0213701 COMPLEX, (empty), , , , , Black Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 209 - Only for training and service purposes...
  • Page 209 Location Level Description Part Number Spec Color Remark MTAC00 TAPE,SHIELD MTAC0067201 COMPLEX, (empty), , , , , Black LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 210 - Only for training and service purposes...
  • Page 210: Main Component

    ECCH0007802 4.7 uF,10V ,M ,X5R ,TC ,1608 ,R/TP C104 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 211 - Only for training and service purposes...
  • Page 211 SAED0025901 WHITE ,ETC ,R/TP ,SIDEVIEW ,; ,[empty] ,2.9~3.75 LD100 DIODE,LED,CHIP EDLH0013701 ,30mA , , ,120mW ,[empty] ,[empty] ,2P LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 212 - Only for training and service purposes...
  • Page 212 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C111 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 213 - Only for training and service purposes...
  • Page 213 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C145 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 214 - Only for training and service purposes...
  • Page 214 10 uF,6.3V ,M ,STD ,1608 ,R/TP C230 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C231 CAP,CERAMIC,CHIP ECCH0000163 47 nF,10V,K,X5R,HD,1005,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 215 - Only for training and service purposes...
  • Page 215 ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP C309 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 216 - Only for training and service purposes...
  • Page 216 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C412 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 217 - Only for training and service purposes...
  • Page 217 ECZH0025920 1000 pF,16V ,K ,X7R ,HD ,0603 ,R/TP C532 CAP,CHIP,MAKER ECZH0025920 1000 pF,16V ,K ,X7R ,HD ,0603 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 218 - Only for training and service purposes...
  • Page 218 ECCH0009103 100 pF,50V ,J ,X7R ,TC ,0603 ,R/TP C622 CAP,CERAMIC,CHIP ECCH0000175 2.7 pF,50V ,B ,NP0 ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 219 - Only for training and service purposes...
  • Page 219 ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP C656 CAP,CERAMIC,CHIP ECCH0009101 0.1 uF,6.3V ,K ,X5R ,TC ,0603 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 220 - Only for training and service purposes...
  • Page 220 C693 INDUCTOR,CHIP ELCH0004718 5.6 nH,S ,1005 ,R/TP , C694 CAP,CHIP,MAKER ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 221 - Only for training and service purposes...
  • Page 221 ECCH0009104 33 pF,50V ,J ,X7R ,TC ,0603 ,R/TP C822 CAP,CERAMIC,CHIP ECCH0007802 4.7 uF,10V ,M ,X5R ,TC ,1608 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 222 - Only for training and service purposes...
  • Page 222 34 PIN,0.5 mm,ETC , ,H=4.0, Plug BOARD 18 PIN,0.4 mm,ETC , , ,; ,18 ,0.40MM ,ANGLE CN201 CONNECTOR,I/O ENRY0006801 ,RECEPTACLE ,SMD ,R/TP , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 223 - Only for training and service purposes...
  • Page 223 DUPLEXER,IMT SDMY0001301 dB,3.0*2.5*1.2 ,SMD ,FBAR, WCDMA duplexer ,; ,2140 ,44 ,1950 ,53 ,2.0 ,1.6 ,3.0X2.5X1.2 ,DUAL ,SMD ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 224 - Only for training and service purposes...
  • Page 224 L628 INDUCTOR,CHIP ELCH0004707 1.5 nH,S ,1005 ,R/TP , L629 CAP,CERAMIC,CHIP ECCH0000183 1.8 pF,50V ,C ,NP0 ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 225 - Only for training and service purposes...
  • Page 225 100 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP R209 RES,CHIP ERHY0009506 100 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP R210 RES,CHIP ERHY0009506 100 Kohm,1/20W(0.05W) ,J ,0603 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 226 - Only for training and service purposes...
  • Page 226 91 ohm,1/16W ,J ,1005 ,R/TP R606 RES,CHIP,MAKER ERHZ0000512 82 ohm,1/16W ,J ,1005 ,R/TP R607 RES,CHIP,MAKER ERHZ0000512 82 ohm,1/16W ,J ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 227 - Only for training and service purposes...
  • Page 227 2200 ohm,1/16W ,J ,1005 ,R/TP R844 RES,CHIP,MAKER ERHZ0000443 2200 ohm,1/16W ,J ,1005 ,R/TP R849 RES,CHIP,MAKER ERHZ0000402 10 ohm,1/16W ,J ,1005 ,R/TP LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 228 - Only for training and service purposes...
  • Page 228 ,MSM6280. Tr Switch Func included ,; , , , , , , , ,R/TP ,R/TP ,10 FBGA ,225 PIN,ETC ,1G(LB/64Mx16/2.7V) U800 EUSY0336902 NAND+512(4Mx32x4) SDRAM ,; ,IC,MCP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 229 - Only for training and service purposes...
  • Page 229 ,30mA , , ,120mW ,[empty] ,[empty] ,2P WHITE ,ETC ,R/TP ,SIDEVIEW ,; ,[empty] ,2.9~3.75 LD403 DIODE,LED,CHIP EDLH0013701 ,30mA , , ,120mW ,[empty] ,[empty] ,2P LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 230 - Only for training and service purposes...
  • Page 230 ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C116 CAP,CHIP,MAKER ECZH0001216 220 nF,10V ,K ,X5R ,TC ,1005 ,R/TP Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 231 - Only for training and service purposes...
  • Page 231 SPJY00 PCB,SUB SPJY0052201 FR-4 ,0.5 mm,BUILD-UP 6 ,PYXIS(T610) ,; , , , , , , , , , LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved. - 232 - Only for training and service purposes...
  • Page 232: Accessory

    100-240V ,5060 Hz,5.1 V,.7 A,CE ,18pin, Europe, Viewty ADAPTOR,AC-DC SSAD0024507 packing ,; , ,5.1V ,0.7A , , ,WALL 2P ,I/O CONNECTOR , Copyright © 2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only - 233 - Only for training and service purposes...
  • Page 233 Note...
  • Page 234 Note...

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