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LG U970 Service Manual
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LG U970 Service Manual

LG U970 Service Manual

Lg u970/ku970 cell phone service manual
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Service Manual
U970/KU970
Date: April, 2007 / Issue 1.0

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Summary of Contents for LG U970

  • Page 1 Service Manual U970/KU970 Date: April, 2007 / Issue 1.0...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION ......5 4.10 Charger Troubleshooting .....99 4.11 USB Troubleshooting......103 1.1 Purpose........... 5 4.12 SIM Detect Troubleshooting ....106 1.2 Regulatory Information......5 4.13 Camera Troubleshooting ....108 4.14 Keypad Backlight Troubleshooting ..110 2. PERFORMANCE.......7 4.15 Folder ON/OFF Troubleshooting ..112 2.1 System Overview ........7 4.16 Main LCD Troubleshooting ....114 2.2 Usable environment .........8...
  • Page 3 - 4 -...

  • Page 4: Introduction

    1. INTRODUCTION 1. INTRODUCTION 1.1 Purpose This manual provides the information necessary to repair, calibration, description and download the features of this model. 1.2 Regulatory Information A. Security Toll fraud, the unauthorized use of telecommunications system by an unauthorized part (for example, persons other than your company’s employees, agents, subcontractors, or person working on your company’s behalf) can result in substantial additional charges for your telecommunications services.
  • Page 5 1. INTRODUCTION E. Notice of Radiated Emissions This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to provide information such as the following to the end user. F.

  • Page 6: Performance

    2. PERFORMANCE 2. PERFORMANCE 2.1 System Overview Item Specification Shape GSM900/1800/1900 and WCDMA2100 - Slide type Handset Size 99.8 X 50.6 X 13.7 mm Weight Under 120 g (with 800mAh Battery) Power 3.7 V normal, 800 mAh Li-Ion Talk Time Over 177 min (WCDMA, Tx=-25 dBm, Voice) (with 800mAh) Over 150 min (GSM, Tx=Level 5, Voice)

  • Page 7: Usable Environment

    2. PERFORMANCE 2.2 Usable environment 1) Environment Item Specification Voltage 3.7 V(Typ), 3.2 V(Min), [Shut Down : 3.2 V] Operation Temp -20 ~ +60°C Storage Temp -20 ~ +70°C Humidity 85 % (Max) 2) Environment (Accessory) Reference Spec. Typ. Unit TA Power Available power * CLA : 12 ~ 24 V(DC)
  • Page 8 2. PERFORMANCE Item DCS & PCS 30M~1GHz -36dBm 30M ~ 1GHz -36dBm MS allocated 1G~[A]MHz -30dBm Channel [A]M~[B]MHz -36dBm 1G ~ 4GHz -30dBm Radiated [B]M~4GHz -30dBm Spurious 30M ~ 880MHz -57dBm 30M~880MHz -57dBm Emission 880M ~ 915MHz -59dBm 880M~915MHz -59dBm 915M~1GHz -57dBm 915M~1GHz...
  • Page 9 2. PERFORMANCE Item DCS & PCS Frequency offset 800kHz Intermodulation product should Intermodulation attenuation – be Less than 55dB below the level of Wanted signal Power control Power Tolerance Power control Power Tolerance Level (dBm) (dB) Level (dBm) (dB) ±3 ±3 ±3 ±3...
  • Page 10 2. PERFORMANCE 2) Transmitter - WCDMA Mode Item Specification Maximum Output Power Class 3 : +24dBm(+1/-3dB) Frequency Error ±0.1ppm Open Loop Power control in uplink ±9dB@normal, ±12dB@extreme Adjust output(TPC command) +0.5/1.5 +1/3 +1.5/4.5 Inner Loop Power control in uplink -0.5/+0.5 -0.5/+0.5 -0.5/+0.5 -0.5/-1.5 -1/-3 -1.5/-4.5...
  • Page 11 2. PERFORMANCE Item Specification 33dB@5MHz, ACP>-50dBm Adjacent Channel Leakage Ratio(ACLR) 43dB@10MHz, ACP>-50dBm -36dBm@f=9~150KHz, 1K BW -36dBm@f=50KHz~30MHz, 10K BW -36dBm@f=30MHz~1000MHz, 100K BW Spurious Emissions -30dBm@f=1~12.5GHz, 1M BW (*: additional requirement) (*)-41dBm@f=1893.5~1919.6MHz, 300K (*)-67dBm@f=925~935MHz, 100K BW (*)-79dBm@f=935~960MHz, 100K BW (*)-71dBm@f=1805~1880MHz, 100K BW -31dBc@5MHz,Interferer -40dBc Transmit Intermodulation -41dBc@10MHz, Interferer -40dBc...
  • Page 12 2. PERFORMANCE 4) Receiver - WCDMA Mode Item Specification Reference Sensitivity Level -106.7 dBm(3.84 MHz) -25dBm(3.84MHz) Maximum Input Level -44dBm/3.84MHz(DPCH_Ec) UE@+20dBm output power(Class3) 33dB Adjacent Channel Selectivity (ACS) UE@+20dBm output power(Class3) -56dBm/3.84MHz@10MHz In-band Blocking UE@+20dBm output power(Class3) -44dBm/3.84MHz@15MHz UE@+20dBm output power(Class3) -44dBm/3.84MHz@f=2050~2095 and 2185~2230MHz UE@+20dBm output power(Class3)

  • Page 13: Current Consumption

    2. PERFORMANCE 2.4 Current Consumption 1) U970/KU970 Current Consumption Stand by Voice Call Under 3.01 mA Under 271 mA Under 453mA WCDMA (DRX=1.28) (Tx=-25dBm) (Tx=-25dBm) Under 2.62 mA Under 320 mA Paging=9 period (PCL=5) (Stand by and Voice Call Test Condition : Bluetooth off, LCD backlight off,Neighbor Cell off) (VT Test...

  • Page 14: Battery Bar

    2. PERFORMANCE 2.6 Battery BAR Indication Standby Bar 4 Over 3.81 ± 0.05V Bar 4 → 3 3.80 ± 0.05V Bar 3 → 2 3.70 ± 0.05V Bar 2 → 1 3.61 ± 0.05V Bar 1 → Empty 3.49 ± 0.05V Low Voltage, 3.49±...

  • Page 15: Sound Pressure Level

    2. PERFORMANCE 2.7 Sound Pressure Level Test Item Specification Sending Loudness Rating (SLR) 8 ±3 dB -4 ± 3 dB Receiving Loudness Rating (RLR) -15 ± 3 dB Side Tone Masking Rating (STMR) 17 dB Echo Loss (EL) 40 dB Idle Noise-Sending (INS) -64 dBm0p Under -47 dBPA...

  • Page 16: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 General Description The U970/KU970 supports UMTS-2100, GSM-900, DCS-1800, and PCS-1900 based GSM/GPRS/EDGE/UMTS. All receivers and the UMTS transmitter use the radioOne1Zero- IF architecture to eliminate intermediate frequencies, directly converting signals between RF and baseband.
  • Page 17 3. TECHNICAL BRIEF A generic, high-level functional block diagram of U970/KU970 is shown in Figure 1-1. One antenna collects base station forward link signals and radiates handset reverse link signals. The antenna connects with receive and transmit paths through a FEM(Front End Module).

  • Page 18: Gsm Mode

    RX saw filters(GSM850, GSM900, GSM900, DCS and PCS). The antenna switch module allows multiple operating bands and modes to share the same antenna. In U970/KU970, a common antenna connects to one of six paths: 1) UMTS-2100 Rx/Tx, 2) GSM-900 Rx, 3) GSM-900 Tx, 4) DCS-1800 Rx, and 5) DCS-1800, PCS-1900 Tx(High Band Tx’s share the same path), 6) PCS-1900 Rx.
  • Page 19 3. TECHNICAL BRIEF The GSM900, DCS, and PCS receiver inputs of RTR6275 are connected directly to the transceiver front-end circuits(filters and antenna switch module). GSM900, DCS, and PCS receiver inputs use differential configurations to improve common-mode rejection and second-order non-linearity performance.
  • Page 20 3. TECHNICAL BRIEF [Fig 1.2] RTR6275 RX feature - 21 -...

  • Page 21: Gsm Transmitter

    3. TECHNICAL BRIEF 3.2.2 GSM Transmitter The RTR6275 transmitter outputs(DA_HB2_OUT and DA_LB1_OUT)include on-chip output matching inductors. 50ohm output impedance is achieved by adding a series capacitor at the output pins. The capacitor value may be optimized for specific applictions and PCB characteristics based on pass-band symmetry about the band center frequency, the suggested starting value is shown in Figure1.2.

  • Page 22: Umts Mode

    3. TECHNICAL BRIEF 3.3 UMTS Mode 3.3.1 Receiver The UMTS duplexer receiver output is routed to LNA circuits within the RTR6275 device. The UMTS Rx input is provided with an on-chip LNA that amplifies the signal before a second stage filter that provides differential downconverter.
  • Page 23 3. TECHNICAL BRIEF WCDMA_2100_TX WCDMA_2100_RX [Figure 1.4] RTR6275 IC functional block diagram - 24 -...

  • Page 24: Lo Generation And Distribution Circuits

    3. TECHNICAL BRIEF 3.4 LO generation and distribution circuits The integrated LO generation and distribution circuits are driven by internal VCOs to support various modes to yield highly flexible quadrature LO outputs that drive all GSM/EDGE and UMTS band upconverters and downconverters; with the help of these LO generation and distribution circuits, true zero-IF architecture is employed in all GSM and UMTS band receivers and transmitters to translate the signal directly from RF to baseband and from baseband to RF.
  • Page 25 3. TECHNICAL BRIEF 3.5.2 VCTCXO (X100 : TG-5010LH(19.2M)) The Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO) provides the reference frequency for all RFIC synthesizers as well as clock generation functions within the MSM6280 IC. The oscillator frequency is controlled by the MSM6280 IC.s TRK_LO_ADJ pulse density modulated signal in the same manner as the transmit gain control TX_AGC_ADJ.
  • Page 26 3. TECHNICAL BRIEF 3.5.4 PMIC Functional Block Diagram (U400 : PM6650-2M) • Out-of-band rejection or attenuation levels, usually specified to meet these conditions:Input power management - Valid external supply attachment and removal detection - Supports unregulated (closed-loop) external charger supplies and USB supplies as input power sources - Supports lithium-ion main batteries - Trickle, constant current, constant voltage, and pulsed charging of the main battery...
  • Page 27 3. TECHNICAL BRIEF • Integrated handset-level user interfaces - Four programmable current sinks recommended as keypad backlight, LCD backlight, camera flash, and general-purpose drivers - Vibration motor driver programmable from 1.2 to 3.1V in 100 mV increments - Speaker driver with programmable gain, turn-on time, and muting; differential operation (drives external 8 Ω...
  • Page 28 3. TECHNICAL BRIEF [Figure1.7] PM6650 Block Diagram - 29 -...
  • Page 29 3. TECHNICAL BRIEF 3.5.5. GSM PAM (U101:TQM7M5003) The TQM7M5003 is an extremely small (7 x 7 mm), GSM/EDGE PAM for handset applications. This module has been optimized for excellent EDGE efficiency and Pout in a Polar Loop environment at EDGE class E2+ operation while maintaining high GSM/GPRS efficiency. The small size and high performance is achieved with high-reliability 3 generation InGaP HBT technology.
  • Page 30 A UMTS duplexer splits a single operating band into receive and transmit paths. Important performance requirements include; • Insertion loss . this component is also in the receive and transmit paths ; In the U970/KU970 typical losses : UMTS2100_ Tx = 1.28 dB, UMTS2100_ Rx = 1.46 dB •...
  • Page 31 3. TECHNICAL BRIEF 3.5.7 UMTS Rx RF filter (FL102 : EFCH2140TDE1) • Frequency range : 2110 ~ 2170MHz An RF filter is located between the UMTS LNA and mixer. Insertion loss is important, but not as critical as losses before the LNA. The most important parameters of this component include: •...
  • Page 32 3.5.8 Bluetooth (M100 : LBRQ-2B43A) The MSM6280 includes BT baseband embedded BT 1.1 compliant baseband core, so the other bluetooth components are an bluetooth RF module and Antenna. Figure1.5.12-1 shows the bluetooth system architecture in the U970/KU970. MSM6280 Bluetooth baseband [Figure1.9] Bluetooth system architecture...

  • Page 33: Digital Baseband(Dbb/Msm6280)

    3. TECHNICAL BRIEF 3. BB Technical Description 3.6 Digital Baseband(DBB/MSM6280) 3.6.1 General Description A. Features(MSM6280) • Support for multimode operation - HSDPA, tri-band WCDMA (UMTS), quad GSM/GPRS/EDGE, GPS • Support for HSDPA downlink up to 7.2Mbps (initial commercial release will support 3.6Mbps •...

  • Page 34: Hardware Architecture

    3. TECHNICAL BRIEF 3.7 Hardware Architecture PM6650 Bluetooth RF Module SPK/RCV VCTCXO GSM Block GSM900 Tx TX SAW GSM1800/1900 Tx MAIN LCD GSM900 Rx GSM1800 Rx GSM1900 Rx 2M CAM. MSM6280 WCDMA Block VGA CAM Front RTR6275 Module WCDMA WCDMA 2M CAM.
  • Page 35 3. TECHNICAL BRIEF 3.7.1. Block Diagram(MSM6280) NAND Flash SDRAM 512Mbit 1Gbit (2.2inch) EBI 1 EBI 2 GSM/GPRS/EDGE CAMERA processor PROCESSING DUAL MEMORY BUS (Default 8bit MSM6280 Interface) Camera 2M UMTS, WCDMA, HSDPA processor GRAPHICS Modem QDSP 4000 BT 1.2 Open GL ES VGA camera processor 3D, 2D...

  • Page 36: Subsystem(Msm6280)

    3. TECHNICAL BRIEF 3.8. Subsystem(MSM6280) 3.8.1. ARM Microprocessor Subsystem The MSM6280 device uses an embedded ARM926EJ-S microprocessor. This microprocessor, through the system software, controls most of the functionality for the MSM, including control of the external peripherals such as the keypad, LCD, SDRAM, and NAND-Flash devices. Through a QUALCOMM proprietary serial bus interface (SBI) the ARM926EJ-S configures and controls the functionality of the RTR6275, RFR6275 and PM6650 devices.
  • Page 37 3. TECHNICAL BRIEF • Can switch between HS-PDSCH and DPCH channel resources, as directed by the network. • Can be configured to support any of the two power classes 3 or 4 as defined in 3GPP R5 specifications (25.101). • Supports network activation of compressed mode by SF/2 or HLS on the DPCH for conducting inter- frequency or inter-RAT measurements when the HS-DSCH is active.
  • Page 38 3. TECHNICAL BRIEF 3.8.6. EDGE features • EDGE E2 power class for 8 PSK • DTM (simple Class A), multi-slot class 12 • Downlink coding schemes - CS 1-4, MCS 1-9 • Uplink coding schemes - CS 1-4, MCS 1-9 •...
  • Page 39 3. TECHNICAL BRIEF • 8/16-bit data I/O width NAND flash support - 1- or 4-bit ECC - 512-byte/2KB page-size support - 2 chip selects supported for NAND Flash - Boot from NAND - Low-power SDRAM (LP-SDRAM) interface • Internal watchdog and sleep timers 3.8.9.
  • Page 40 3. TECHNICAL BRIEF Video telephony services: Qvideophone • A two-way mobile video conferencing solution that delivers 15 fps @ QCIF • Video Codecs supported: MPEG-4 and H.263 • Audio Codecs supported: AMR-NB. Qcamcorder • Real time mobile video encoder • Video Codecs supported: MPEG-4, H.263.H.264 •...
  • Page 41 3. TECHNICAL BRIEF Table 1-1 Summary of MSM6280 device features - 42 -...

  • Page 42: Wideband Codec

    3. TECHNICAL BRIEF 3.8.11. Serial Bus Interface(SBI) The MSM6250A device integrates a universal serial bus (USB) controller that supports both unidirectional and bidirectional transceiver interfaces. The USB controller acts as a USB function communicating with the USB host. The USB controller also supports digital audio through USB interface and connects directly to the QDSP4000 for the audio processing.
  • Page 43 3. TECHNICAL BRIEF 3.8.16. General-Purpose Input/Output Interface The MSM6280 device has general-purpose bidirectional input/output pins. Some of the GPIO pins have alternate functions supported on them. The alternate functions include USB interface, additional RAM, ROM, general-purpose chip selects, parallel LCD interface, and a UART interface. The function of these pins is documented in the various software releases.

  • Page 44: Power Block

    3. TECHNICAL BRIEF 3.9. Power Block 3.9.1. General MSM6280, included RF, is fully covered by PM6650(Qualcomm PMIC). PM6650 cover the power of MSM6280, MSM memory, RF block, Bluetooth, USIM and TCXO. Major power components are : PM6650(U400): Phone power supply MAX8645Y(U700): LCD Backlight/Flash charge pump 3.9.2.
  • Page 45 3. TECHNICAL BRIEF Figure 1-1. PM6650 Functional Block Diagram - 46 -...
  • Page 46 These pins are connected to the Source (or emitter) and Drain (or collector) contacts of the pass transistor respectively. 3.49V~3.28V 3.70V~3.62V 3.61V~3.50V 4.2V~3.81V 3.80V~3.71V 2~0 (%) 44~20 (%) 19~3 (%) 100~70 (%) 69~45 (%) U970/KU970 Battery Bar Display(Stand By Condition) - 47 -...
  • Page 47 3. TECHNICAL BRIEF Trickle Charging Trickle Charging of the main battery, enabled through SBI control and powered from V , is provided by the PM6650 IC, The trickle charger is on-chip programmable current source that supplies current from V to pin (VBAT). Trickle charging can be used for lithium-ion and nickel-based batteries, with its performance specified below (3.2V).
  • Page 48 3. TECHNICAL BRIEF Constant Current Charging The PM6650 IC supports constant current charging of the main battery by controlling the charger pass transistor and the battery transistor. The constant current charging continues until the battery reaches its target voltage, 4.2V. Constant Voltage Charging Constant voltage charging begins when the battery voltage reaches a target voltage, 4.2V.

  • Page 49: External Memory Interface

    EBI2 was targeted towards supporting slower asynchronous devices such as LCD, NAND flash, SRAM, etc. In addition, MSM6280 provide SD bus interface. U970/KU970 supports 512MByte free user memory using SD interface. • EBI1 Features...
  • Page 50 3. TECHNICAL BRIEF EBI1 EBI2 ADDRESS[15: 0] NAND_CS* DATA[31:0] NAND_RE* NAND_WE* NAND SDRAM NAND_CLE 512Mb 1Gbit NAND_WP* CAS* (64MB) (512M x 2) NAND_ALE RAS* CLK_EN NAND_READY DATA[7:0] MSM6280 DQM[3:0] SDCC_DATA[3:0] NAND 512MB SDCC_CMD (Internal User SDCC_CLK Memory) SD I/F CKCRI CKCRO CKCRA RC Oscillator Figure.

  • Page 51: H/W Sub System

    3. TECHNICAL BRIEF 3.11. H/W Sub System 3.11.1. RF Interface A. RTR6275(WCDMA_Tx, GSM_Tx/Rx) MSM6280 controls RF part(RTR6275) using these signals. • SBST : SSBI I/F signals for control Sub-chipset • PA_ON1 : Power AMP on RF part • RX0_I/Q_M/P,TX_I/Q_M/P : I/Q for T/Rx of RF •...
  • Page 52 3. TECHNICAL BRIEF B. the others • TRK_LO_ADJ : TCXO(19.2M) Control • PA_ON : WCDMA(2100) TX Power Amp Enable • ANT_SEL[0-2] : Ant Switch Module Mode Selection(WCDMA,GSM Tx/Rx,DCS-PCS Tx/Rx) • GSM_PA_BAND : GSM/DCS-PCS Band Selection of Power Amp • GSM_PA_RAMP : Power Amp Gain Control of APC_IC •...

  • Page 53: Msm Sub System

    3. TECHNICAL BRIEF 3.11.2. MSM Sub System 3.11.2.1. USIM Interface SIM interface scheme is shown in Figure. And, there control signals are followed • USIM_CLK : USIM Clock • USIM_Reset : USIM Reset • USIM_Data : USIM Data T/Rx VREG_UIM 2.85V USIM CLK USIM CLK USIM...
  • Page 54 3. TECHNICAL BRIEF 3.11.2.3. USB The MSM6280 device contains a Universal Serial Bus (USB) interface to provide an efficient interconnect between the mobile phone and a personal computer (PC). The USB interface of the MSM6280 was designed to comply with the definition of a peripheral as specified in USB Specification, Revision 1.1.
  • Page 55 3. TECHNICAL BRIEF 3.11.3 HKADC(House Keeping ADC) The MSM6280 device has an on-chip 8-bit analog-to-digital converter (HKADC) which is tended to digitize DC signals corresponding to analog parameters such as battery voltage, temperature, and RF power levels. The MSM6280 device has six analog input pins which are multiplexed to the input of the internal HKADC.

  • Page 56: Key Pad

    3. TECHNICAL BRIEF 3.11.4. Key Pad There are 15 main key buttons , 5 multi-function keys and 5 side keys in Figure. Shows the Keypad circuit. °ÆEND’ Key is connected to PMIC(PM6650). COL0 COL1 COL2 COL3 COL4 ROW0 SEND LEFT ROW(1) RIGHT ROW(2)
  • Page 57 3. TECHNICAL BRIEF KEY_COL(3) LEFT RIGHT KEY_COL(4) rev.1.0 KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) Figure. Multi-function Keypad Circuit SIDE_KEY DOWN HOT800 SW800 KEY_ROW(4) CAMERA KEY_ROW(3) FOCUS KEY_ROW(2) KEY_COL(3) KEY_COL(4) Figure. Side Keypad Circuit - 58 -...
  • Page 58 3. TECHNICAL BRIEF ON_SW KEY SIDE ON/END PM_ON_SW_N Figure. END Keypad Circuit In addition, it has scroll-key that used up & down. Scroll system is operated with relationship of two hall-effect switch. hall-effect switch is connected MSM 6280 GPIOs. SCROLL_KEY SCROLL_EN SCROLL_A SCROLL_B...

  • Page 59: Camera Interface

    3. TECHNICAL BRIEF 3.11.5 Camera Interface U970/KU970 Installed a 2M Pixel and 0.3Mega Camera. Below figure shows the camera board to board connector and camera I/F signal. 2M CAM CONNECTOR (T=0.9. SOCKET) Rev.1.0 HB-1M1005-601JT 2M_CAM_AVDD_BEED_2.8V 2M_CAM_AVDD_2.8V FB600 2M_CAM_AVDD_BEED_2.8V CN600 2M_CAM_CVDD_1.8V CAM_PCLK 2M_CAM_AVDD_BEED_2.8V...
  • Page 60 3. TECHNICAL BRIEF The MEGA Camera module is connected to LCD FPCB with 34pin Board to Board connector (AXK7L34227G). Its interface is dedicated camera interface port in MSM6280. The camera port supply 24.576MHz master clock to camera module and receive 49.152MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from camera module.
  • Page 61 3. TECHNICAL BRIEF The VGA Camera module is connected to LCD FPCB with 20pin Board to Board connector (AXK720147G). Its interface is dedicated camera interface port in MSM6280. The camera port supply 24.576MHz master clock to camera module and receive 12.288MHz pixel clock (15fps), vertical sync signal, horizontal sync signal, reset signal and 8bits data from camera module.
  • Page 62 3. TECHNICAL BRIEF 3.11.6 Folder ON/OFF Operation There is a magnet to detect the Slide status, opened or closed. If a magnet is close to the hall-effect switch, the voltage at pin OUT of U800 goes to 0V. Otherwise, 2.7V. This folder signal is delivered to MSM6280 GPIO92.

  • Page 63: Keypad Light

    3. TECHNICAL BRIEF 3.11.7. Keypad Light There are 2 White LEDs in Main key backlight circuit, which are driven by KEY_BL_EN line from MSM6280 GPIO 87. KEY LED LEWWS44-E LD800 R801 +VPWR 100ohm Rev.1.2-4M R802 LD801 100ohm LEWWS44-E R803 Q800 KEY_BL_EN PMST3904 4.7K...
  • Page 64 3. TECHNICAL BRIEF 3.11.8. LCD Module (IM220DBN2A : LG INNOTEK) - The IM220DBN2A model is a Color TFT Main supplied by LG Innotek. This LCD Module has a 2.2 inch diagonally measured active display area with 240(RGB)X320 resolution. each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
  • Page 65 3. TECHNICAL BRIEF 3.11.9. Display & LCD FPC Interface LCD module is connected to LCD KEY FPCB with 80-pin B TO B connector (AXK880145WG / Matsushita) The LCD module is controlled by 16-bit EBI2 in MSM6280 LCD EMI FILTER : Key -> Main (rev.E) EVRC14S03Q030100R FL700 EVRC14S03Q030100R...
  • Page 66 3. TECHNICAL BRIEF 3.11.9.1. Audio Signal Processing & Interface Audio signal processing is divided uplink path and downlink path. The uplink path amplifies the audio signal from MIC and converts this analog signal to digital signal and then transmits it to DBB Chip (MSM6280). This transmitted signal is reformed to fit in GSM &...
  • Page 67 3. TECHNICAL BRIEF MSM6280 CODEC pins rev.1.3 C200 27p C201 27p rev.H Place near C213 MSM pin W18 0.1u (CODEC VSS) SDCC_DAT1_GPIO99 SDCC_DATA(1) SDCC_DAT2_GPIO100 SDCC_DATA(2) SDCC_DAT3_GPIO101 SDCC_DATA(3) MDP_VSYNC_SECONDA_GPIO104 SCROLL_B MDP_VSYNC_PRIMARY_GPIO105 LCD_VSYNC WDOG_STB_SBCK1_GPIO0 SBDT1_GPIO1 PA_ON1_GPIO2 GRFC9_GPIO12 CAMCLK_PO_GP_MN_GPIO13 CAM_MCLK GPIO28 MOTOR_EN rev.1.1 USB_RX_DATA_GPIO29 Figure .
  • Page 68 3. TECHNICAL BRIEF R507 MICBIAS 2.2K MIC1PP MIC1P MIC1N rev.1.1 rev.1.3 C520 C525 rev.1.0 rev.1.0 Hook Key MICBIAS C300 C301 VREG_MSMP_2.7V EAR_MIC2P MIC2P rev.1.3 R306 C303 0.1u HOOK_KEY_N rev.H Figure . Audio part schematics - 69 -...
  • Page 69 3. TECHNICAL BRIEF SELECT_SPK&RCV Audio AMP +VPWR rev.H C312 0.01u U301 FSA2267L10X FB300 +VPWR TPA2005D1DRBR SPK_RCV+ R307 SPK_AMP_EN _SHDN RCV+ RCV_EN rev.1.0 FB301 R312 R313 U302 rev.1.3 LINE_OP RCV- SPK_RCV- R309 C318 0.1u 100K R316 LINE_ON C320 C319 0.1u PGND rev.1.3 rev.1.0 MMI CONNECTOR...
  • Page 70 MIDI Headset Headset MIDI Bell Loud Mode Speaker MP3 Headset Headset MP3 Table. Audio Mode Audio & Sound Main Component There are 6 main components in U970/KU970. Component Design No. Maker Part No. Note MSM6280 U200 MSM6280 Base-Band Modem Audio amp...

  • Page 71: Main Features

    3. TECHNICAL BRIEF 3.12 Main Features 1. LG-U970/KU970 Main features - Slide Type - WCDMA(2100) + GSM Tri-Band (900/1800/1900) - 3.6Mbps HSDPA Support - Color LCD (Main:262K TFT, 2.2”) - Dual Camera (2Mega + VGA(0.3M)) - 18x10 Track type speaker...
  • Page 72 3. TECHNICAL BRIEF 2. U970/KU970 Main Component Bluetoot Logic /Audio Logic Main board, Top Main board, Bottom Logic KU310 KEY-FPCB (Top) LCD-FPCB (Folder) - 73 -...
  • Page 73 3. TECHNICAL BRIEF U101 FL100 M100 ANT100 SW100 FL101 X100 FL104 U104 U100 Reference Description Reference Description SW100 Ant. Switch module U100 RTR6275 FL100 Front End module (SP8T) FL104 W2100 Duplex U101 GSM PAM U104 WCDMA PAM FL101 GSM SAW X100 VCTCXO ANT100...
  • Page 74 3. TECHNICAL BRIEF Logic / Audio U400 U300 CN601 CN500 U200 U302 CN501 Reference Description Reference Description U300 Memory MCP U400 PMIC CN601 Main to Key-FPCB Connector CN500 MMI connector (18pin) U200 MSM6280 CN501 Battery connector U302 Audio AMP - 75 -...
  • Page 75 3. TECHNICAL BRIEF Logic U501 CN600 CN400 BAT400 U700 CN701 Reference Description Reference Description CN600 2M Cam. Connector U501 2M Cam. LDO BAT400 Backup Battery CN400 U-SIM socket CN701 Key To LCD-FPCB Connector U700 Charge pump - 76 -...

  • Page 76: Trouble Shooting

    4. TROUBLE SHOOTING 4. TROUBLE SHOOTING 4.1 RF CRF Component TOP SIDE BOTTOM SIDE - 77 -...
  • Page 77 4. TROUBLE SHOOTING Block Diagram Ref. Name Part Name Function Comment Block U200 MSM6280 Main Control Main Chipset X400 FC-135_12.5pF Sleep Clock 32.768 kHz IC RT20S48M0X514CR X200 USB Clock 48MHz U400 PM6650-2M Power Control Power Supply Common U302 TPA 2005D1DRBR Speaker AMP FL100 LMSP4L MA-573TEMP...

  • Page 78: Signal Path_Umts Rf

    4. TROUBLE SHOOTING 4.2 SIGNAL PATH_UMTS RF ➞ Common Tx/Rx ➞ UMTS 2100 Tx/Rx ➞ UMTS 2100 Tx ➞ UMTS 2100 Rx ➞ Tx I/Q ➞ ➞ Rx I/Q - 79 -...

  • Page 79: Signal Path_Gsm Rf

    4. TROUBLE SHOOTING 4.3 SIGNAL PATH_GSM RF ➞ Common Tx/Rx ➞ GSM900 Tx ➞ DCS/PCS Tx ➞ DCS Rx ➞ PCS Rx ➞ EGSM900 Rx ➞ Tx I/Q ➞ ➞ Rx I/Q - 80 -...

  • Page 80: Checking Vctcxo Block

    4. TROUBLE SHOOTING 4.4 Checking VCTCXO Block The reference frequency (19.2MHz) from X100 (VCXO) is used in UMTS TX part, GSM part and BB part. X100 R113 100ohm VREG_TCXO_2.85V VCONT TRK_LO_ADJ 19.2MHz C147 C148 C149 TCXO 0.1u 1000p 0.01u VREG_BT_2.85V C153 R118 100K C151...
  • Page 81 4. TROUBLE SHOOTING Check C412 of PMIC (U400) Check R214 of MSM (U200) - 82 -...

  • Page 82: Checking Front-End Module Block

    4. TROUBLE SHOOTING 4.5 Checking Front-End Module Block FL100 ANT_SEL0 GSM1800RX1 ANT_SEL1 GSM1800RX2 ANT_SEL2 GSM1900RX1 GSM1900RX2 GSM900RX1 C112 C115 1000p GSM900RX2 1000p GSM850RX1 C113 GND1 GSM850RX2 1000p GND2 GND3 UMTS1 GND4 UMTS2 GND5 GND6 GSM1800_1900TX GND7 GSM850_900TX VREG_RF_SMPS GND8 GND9 C119 C120 Rev.I...
  • Page 83 4. TROUBLE SHOOTING Logic Table of the FEM - 84 -...

  • Page 84: Checking Umts Block

    4. TROUBLE SHOOTING 4.6 Checking UMTS Block 4.6.1 Checking Tx level ANT100 WFL-R-SMT10 Rev.1.2 R100 SW100 C100 KMS-512 L100 C102 L101 0.5p 100nH FL100 ANT SEL0 GSM1800RX1 C163 C162 3.3p R120 WLNA_OUT 0.75p C161 2.7p L119 C165 L120 WCDMA_MIX_IN_P 6.8nH Rev.
  • Page 85 4. TROUBLE SHOOTING Run a FTM program set RF mode to IMT set uplink freq. To 9750 click Tx on and WCDMA set PA range R1 on set Tx AGC to Check coupler U103 Check Tx SAW Check Duplexer Filter FL104 Check FEM FL100 Check PAM block...
  • Page 86 4. TROUBLE SHOOTING 4.6.2 Checking UMTS PAM Control Block • PAM control signal 1. PWR_DET : UMTS Tx Power Detected value (Check R127) 2. TX_AGC_ADJ : UMTS RTR6275 Tx Amp Gain Control 3. VREG_TCXO_2.85V : UMTX PAM enable (about 2.85V) 4.
  • Page 87 4. TROUBLE SHOOTING 4.6.3 Checking RF Rx Level ANT100 WFL-R-SMT10 Rev.1.2 R100 SW100 C100 KMS-512 L100 C102 L101 0.5p 100nH FL100 ANT_SEL0 GSM1800RX1 ANT_SEL1 GSM1800RX2 VDD_RX Vbias C159 L118 C160 EFCH2140TDE1 FL102 L117 6.8nH C163 C162 3.3p R120 WLNA_OUT 0.75p C161 2.7p L119...
  • Page 88 4. TROUBLE SHOOTING Check Vbias over 2V? Check the RF S/W Check TP2 Check FEM Signal exist? FL100 Check TP3 Check the Duplexer FL104 Signal exist? Check TP4 Check the RTR6275 Signal exist? - 89 -...

  • Page 89: Checking Gsm Block

    4. TROUBLE SHOOTING 4.7 Checking GSM Block - 90 -...

  • Page 90: Checking Rf Tx Level

    4. TROUBLE SHOOTING 4.7.1 Checking RF Tx level 4.7.2 Schematic of RF Tx level ANT100 WFL-R-SMT10 Rev.1.2 R100 SW100 C100 KMS-512 L100 C102 L101 0.5p 100nH L102 5.6nH FL100 C108 L103 0.5p 15nH L104 5.6nH ANT_SEL0 GSM1800RX1 ANT_SEL1 GSM1800RX2 ANT_SEL2 GSM1900RX1 L105 5.6nH...
  • Page 91 4. TROUBLE SHOOTING 4.7.3 Checking RF Tx level - 92 -...

  • Page 92: Checking Pam Block

    4. TROUBLE SHOOTING 4.7.4 Checking PAM Block TP1. GSM_PA_RAMP : Power Amp Gain Control. typically, 0.2V < Vramp < 1.6V TP2. GSM_PA_EN : Power Amp Enable (Power ON : higher than 1.25V , Power OFF : lower than 0.4V) TP3. GSM_PA_BAND : Power Amp Band Selection Control (GSM Mode : -0.2V <...

  • Page 93: Checking Rf Rx Block

    4. TROUBLE SHOOTING 4.7.5 Checking RF Rx Block TP1. DCS RX INPUT TP2. PCS RX INPUT TP3. GSM RX INPUT Schematic of GSM850/GSM900/DCS/PCS Rx Block L102 5.6nH FL100 C108 L103 0.5p 15nH L104 5.6nH GSM1800RX1 GSM1800RX2 GSM1900RX1 L105 5.6nH GSM1900RX2 GSM900RX1 C114 L106...
  • Page 94 4. TROUBLE SHOOTING - 95 -...

  • Page 95: Checking Bluetooth Block

    4. TROUBLE SHOOTING 4.8 Checking Bluetooth Block Test Point of the Bluetooth Block TP1. VREG_BT_2.85V TP2. VREG_MSMP_2.7V TP3. TCXO_BT TP4. BT ANT Output Schematic of the Bluetooth Block BLUETOOTH Rev. E TP100 TP102 C157 L116 C158 M100 Rev. H LBRQ-2B43A C164 1000p BT_CLK...
  • Page 96 4. TROUBLE SHOOTING Start TP1,TP2 Change the Main board Signals exits? Change the X100 Is clock ok? 19.2M Change the M100 Signals exits? Change the Main board - 97 -...

  • Page 97: Power On Troubleshooting

    4. TROUBLE SHOOTING 4.9 Power ON Troubleshooting Power On sequence of U970/KU970 is : PWR key press(Key PCB) → PM_ON_SW_N go to low(VA800),PM6650(U400) KPDPWR_N pin(24) → PM6650 Power Up → VREG_MSMC_1.2V(C430), VREG_MSME_1.8V(C431), VREG_MSMP_2.7V(C420), VREG_MSMA_2.6V(C419), VREG_TCXO_2.85V(C412) power up and system reset assert to MSM → Phone booting and PS_HOLD(D400) assert to PMIC...

  • Page 98: Charger Troubleshooting

    4. TROUBLE SHOOTING 4.10 Charger Troubleshooting Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT Cabl Q400 QST4 Rev.D Pass USB charging USB_CNT_N (ON) (4.8V) Charging Current Flow Pass CHG_CNT_N (ON) ICHARGE ICHARGEOUT +VPWR FDJ129P Battery FET Q402 Main (ON)
  • Page 99 4. TROUBLE SHOOTING VA800 [ U970/KU970 KEY FPCB Front ] VREG_MSMC VREG_TCXO R406 : 19.2Mhz VREG_MSMA X400 : 32.768Khz VREG_MSME VREG_MSMP [ U970/KU970 Main PCB Front ] - 100 -...
  • Page 100 4. TROUBLE SHOOTING R403 Q401 Q400 Q402 [ Charging part ( Main PCB Front ) ] - 101 -...
  • Page 101 4. TROUBLE SHOOTING Start Check the pin and battery Connect terminals of I/O connector Change I/O connector Connection OK? (CN500) Change TA Is the TA (or USB Cable) (or USB Cable) voltage 4.8V (or 5.0V)? Is it charging properly After turning on Q401(or Q402) , Q402? Change the board [ Charger Troubleshooting Flow ]...

  • Page 102: Usb Troubleshooting

    4. BB Trouble Shooting 4.11 USB Troubleshooting USB Initial sequence of U970/KU970 is : USB connected to U970/KU970 power on → USB_VBUS(Q400) go to 5V → USB_D+ go to 3.3V → 48M Crystal on → USB_DAT is triggered → USB work. Start...
  • Page 103 4. TROUBLE SHOOTING X 200 Q400 [ USB part 1 ( Main PCB Front ) ] U503 [ USB part 2 ( Main PCB Rear ) ] - 104 -...
  • Page 104 4. TROUBLE SHOOTING VREG_USIM_2.85V USIM_P_RST_N USIM_P_CLK USIM_P_DATA ➀ ➆ MEGA-SIM ➁ R411 CN400 VREG_USIM_2.85V USIM_P_RST_N USIM_P_DATA USIM_P_CLK 5000-8P-1.7E Rev.1.3 ➂ D404 PLR0504F Figure .USIM part schemetics - 105 -...

  • Page 105: Sim Detect Troubleshooting

    4. TROUBLE SHOOTING 4.12 SIM Detect Troubleshooting USIM Initial sequence of KU970/KU970 is : USIM_CLK,USIM_RST,USIM_DATA triggered → VREG_UIM_2.85V go to 2.8V → USIM IF work Start Re-insert the SIM card Work well? VREG_UIM_2.85V is 2.85V? Check CN400 USIM_P_CLK is run? Change SIM card Work well? Change the Main board...
  • Page 106 4. TROUBLE SHOOTING C603 C602 C601 C600 M_CAM_PWDN 2M_CAM_LVDD_2.8V FB602 2M_CAM_AVDD_2.8V AXK7L34227G VA603 EVLC18S02015 SETM C705 C706 SETF LDO1 REFBP LDO2 C703 0.01u C705 C706 C803 Rev.F - 107 -...

  • Page 107: Camera Troubleshooting

    4. TROUBLE SHOOTING 4.13 Camera Troubleshooting Camera control signals are generated by MSM6280. 4.13.1 MEGA CAMERA Start Check the camera connector and reconnect the camera Camera is OK? Change the Main board Change the Main board Check the CAM_MCLK Change the Main board (FB601) Change the camera Camera is OK...

  • Page 108: Vga Camera

    4. TROUBLE SHOOTING 4.13.2 VGA CAMERA Start Check the camera connector and reconnect the camera Camera is OK? Change the Main board Check the CAM_MCLK Change the Main board (FB601) Change the camera Camera is OK Change the Main board - 109 -...

  • Page 109: Keypad Backlight Troubleshooting

    4. TROUBLE SHOOTING 4.14 Keypad Backlight Troubleshooting 4.14.1 Main keypad backlight Key Pad Back Light is on as below : Key pressing → KEY_BL_EN go to 2.7V → MAIN Key Backlight LED On Start Key press Check battery +VPWR is above 3.2V? Change the Main board KEY_BL_EN is 2.7 ? or Check the Key FPCB...
  • Page 110 4. TROUBLE SHOOTING 4.14.2 Up-slide keypad backlight Key Pad Back Light is on as below : Key pressing → KYBD_BACKLIGHT go to 0V → UP Slide Backlight LED On Start Key press +VPWR is above 3.2V? Check battery Change the Key FPCB KYBD_BACKLIGHT is 0V ? Change the Main board or Check the LCD FPCB...

  • Page 111: Folder On/Off Troubleshooting

    4. TROUBLE SHOOTING 4.15 Folder ON/OFF Troubleshooting Folder On/Off is worked as below : Folder On/Off Event -> Flip(U800 pin OUT) is triggered(On : about 2.1V, Off : 0V) -> MSM6280(U200) Sense the Folder Event Start Check the magnet in Insert the magnet Slide Assy SLIDE DETECT...
  • Page 112 4. TROUBLE SHOOTING CN700 CN701 CN601 - 113 -...

  • Page 113: Main Lcd Troubleshooting

    4. TROUBLE SHOOTING 4.16 Main LCD Troubleshooting Main LCD control signals are generated by MSM6280. The signal path is : MSM6280(U200) → CN601 → CN701 → CN902 → LCD Module Start Press END key Key LED is on? GO to power on trouble shooting Disconnect and reconnect The LCD connector (CN601,CN701)

  • Page 114: Receiver Path

    4. TROUBLE SHOOTING 4.17 Receiver Path MSM6280(U200) EAR1ON/EAR1OP -> R307,R313 -> Analog Switch(U301) -> CN601 -> CN700 -> CN701 -> CN901 -> Receiver Start Connect the phone to network Equipment and setup call Setup 1KHz tone out Can you hear the tone? The sine wave appears at Change receiver SPK_N,SPK_P LCD FPCB?
  • Page 115 4. TROUBLE SHOOTING R501/R502 C500/C501 - 116 -...

  • Page 116: Headset Path

    4. TROUBLE SHOOTING 4.18 Headset path MSM6280(U200) HPH_R, HPH_L → C500/C501 → R501/R502 → CN500 (MMI Connector) Start Connect the phone to network equipment and setup call. Setup 1KHz tone out and insert headset. Can you hear the tone? Sine wave appears at Change the Headset R501/R502? Change the Main board...
  • Page 117 4. TROUBLE SHOOTING Audio Analog Amplifier Switch - 118 -...

  • Page 118: Speaker Phone Path

    4. TROUBLE SHOOTING 4.19 Speaker phone path MSM6280(U200) LINE_OP,LINE_ON → C318/R312, C319/R316 → Audio AMP(U302) → Analog Switch(U301) → CN601 → CN700 → CN701 → CN901 → Speaker Start Connect the phone to network equipment and setup call Setup 1KHz tone out Sine wave appears at Change the Main board C318/R312 and C319/R316?
  • Page 119 4. TROUBLE SHOOTING MIC800 C520 R507 - 120 -...

  • Page 120: Main Microphone

    4. TROUBLE SHOOTING 4.20 Main microphone MIC800 → CN700 → CN601 → C212 → MIC1P(MSM6280) Start Make a call MIC_BIAS(C520) Change main board is 1.8V Make sound to MIC Sine wave appears at Change the MIC R507? Change the Main board Work well? - 121 -...
  • Page 121 4. TROUBLE SHOOTING MIC Input Ear_Sense_N R303 C210 - 122 -...

  • Page 122: Headset Microphone

    4. TROUBLE SHOOTING 4.21 Headset microphone Headset → C210 → MIC2P(MSM6280) Start Make a call Change the headset and retry EAR_SENSE_N Change the MAIN board (VA502) is 0V? MICBIAS is biased Change MAIN board by 1.8V? (R303) Change the headset or Sine wave appears at Main board and retry.

  • Page 123: Vibrator

    4. TROUBLE SHOOTING 4.22 Vibrator MSM6280(U200) GPIO 28 Go to 2.7V . Then MOTOR_PWR- is arrived at ground pass the motor and Vibrator is operating same time. Otherwise MOTOR_PWR- is open state. Start Operate the Vibrator Change the MAIN board or MOTOR_EN is 2.7V ? Check the KEY FPCB...

  • Page 124: Download

    LGMDP supports Windows 2000/XP where the LG (Ver 4.6 or later) USB modem driver is installed. Additionally, LGMDP allows multi downloading up to 9 handsets at the same time.

  • Page 125: Connecting To Pc

    5. DOWNLOAD 5.1.2.1 Connecting to PC • Click on the Select Port and then Select Port window will be pop up. Check if state shows Enable for the port to be connected for downloading images. Then click on the Connect button. (The port number(COM7) shall be different from that of the port number in the snapshot.) •...
  • Page 126 5. DOWNLOAD 1) Image Folder indicates loot path where all image files are placed. To change location of the default image path, select Browse°¶ button. The edit box shows the file path where images are located. Please note that all images should be located in a selected folder. 2) Click on the Browse°¶...
  • Page 127 5. DOWNLOAD 5.1.2.2 Choosing image files • Select the image folder, where all the image files are located, by clicking on the Browse°¶. (The folder name shall be different from that of the folder name in the snapshot. The folder name indicates the path where the image files are located.) - 128 -...
  • Page 128 5. DOWNLOAD • Select the path on the Image Folder by clicking on the Browse..., then the LGMDP will automatically load images accordingly. Also you can select images by manually. For instance, select the path of AMSS Modem Image file by clicking on the Browse°¶ button. The selected AMSS image will be downloaded to the handset from the path directory in the PC.
  • Page 129 5. DOWNLOAD • If NV restore is failed, then the NV Data(*.nv2) is erased permanently. In this case, choose the desired NV file to be downloaded on the handset. To enable this simply check the box or select the NV file from the LGMDP installation directory by clicking on the Browse°¶ button. •...
  • Page 130 5. DOWNLOAD 5.1.2.3 Downloading • This message box informs that a new file for NV backup will be created in the displayed file name in the LGMDP installation directory. • Backing up NV data and backed up NV data will be stored in the LGMDP installation directory.
  • Page 131 5. DOWNLOAD • Rebooting the handset and re-establishing the connection • Restoring NV data which backed up in the Backing up process. User can also restore NV data using NV Default image selection. • Rebooting the handset and re-establishing the connection •...
  • Page 132 5. DOWNLOAD • Downloading Media image in progress • Downloading Module image in progress • Downloading process has completed successfully - 133 -...
  • Page 133 5. DOWNLOAD 5.1.2.4 Tools • Device Manager allows to monitor current hardware that is installed on your PC. Device Manager is designed to monitor USB connectivity and check where the COM has been installed . Select Device Manager from the Tools of the file menu. - 134 -...

  • Page 134: Troubleshooting Download Errors

    5. DOWNLOAD 5.1.3 Troubleshooting Download Errors 1) When the phone does not work after downloading has been completed. 2) Media Erasing Error 3) NV Restore Error 5.1.3.1 When the phone does not work • Reboot the phone in the emergency mode (Simultaneously press 2, 5, and PWR red keys) and then try to download all the images up to AMSS.
  • Page 135 5. DOWNLOAD • The below dialog shows parameters of Select Port when phone is booted in Emergency mode. Click on the Connect button to continue. • Choose Image file after clicking on the Browse°¶ button. Make sure that you have chosen the right image file.
  • Page 136 5. DOWNLOAD 5.1.3.2 NV Restore Error • Snapshot showing the NV Restore error. Next slide shows the remedial procedure to adopt. • Connect the handset and Press the Connect button in the Select Port window. (Enable state in the window indicates that the Phone has been detected and is ready to download.) - 137 -...
  • Page 137 5. DOWNLOAD • Click on Browse°¶ . Select the LGMDP installation directory and a list of NV Backup files(*.nv2) will be shown. These nv files were saved every time NV Backup option was selected, and the name of the nv file is determined based on the time when NV Backup was done. Choose the desired NV file to be downloaded on the handset, and click on Start.
  • Page 138 5. DOWNLOAD 5.1.4 Caution 1) Multi-downloading using the USB hub is not recommendable. 2) If you see the message °Æcal mode’ after °Æcompleting download’, you must do NV restore and image (media and module) download. 3) The NV data saved at LGMDP folder as following format. D:\LGMDP\004400-01-429926\_COM14_ LGMDP folder name Port number...

  • Page 139: Ku970 S/W Download

    ➢ LGMDP supports Windows 2000/XP where the LG (Ver 4.6 or later) USB modem driver is installed. • To install the LG USB modem driver, please refer from PC suite installation guide • There are two LGMDP (LGMDP and LGMDP-EURO) ➢...
  • Page 140 5. DOWNLOAD 5.2.2 USB Driver install ❏ If you did not install “LGE USB Driver”, you would install it. ❏ Refer to “LGE PC Suite Manual” - 141 -...
  • Page 141 5. DOWNLOAD - 142 -...
  • Page 142 5. DOWNLOAD 5.2.3 Setup Preference of LGMDP-EURO ❏ Step1. Connect the phone to your desktop PC using the USB cable ❏ Step2. Run the LGMDP-EURO application ❏ Step3. Click on the File menu and select Preferences • Allow changing model name ➢...
  • Page 143 5. DOWNLOAD 5.2.3 Overview of steps for downloading ❏ Step 1. NV Backup ❏ Step 2. Read the IMEI and BT address ❏ Step 3. Download images : Support both methods • Original method • DZ method ❏ Step 4. Checking procedure ❏...
  • Page 144 5. DOWNLOAD NV Backup [2] ❏ Step 5. Executed NV backup automatically File name to be saved ❏ Step 6. Executed NV restore automatically, then NV items will be stored in file(.nv2) - 145 -...
  • Page 145 5. DOWNLOAD NV Backup [3] ❏ Step 7. Check if the file is in the designated directory (which is under the folder of LGMDP- EURO installed directory) ❏ NV data saved at LGMDP-EURO folder like that C:WQCT_DLWLGMDPW004401-09-064428W_COM14_WNV_KU970_20070116-103340.nv2 IMEI number NV_ModelName_Date-Time.nv2 LGMDP folder name Port number NOT_ACTIVE______...
  • Page 146 5. DOWNLOAD 5.2.5 Read IMEI, BT address from UE [1] ❏ Purpose of this procedure is to keep the IMEI and BT address in UE. Because IMEI and BT address might be corrupted after reflashing ATP S/W image and you have to write the IMEI and BT address. ❏...
  • Page 147 5. DOWNLOAD Read IMEI, BT address from UE [2] ❏ Step 4. Check IMEI and Bluetooth address - 148 -...
  • Page 148 5. DOWNLOAD 5.2.6 Download images - Original [1] ❏ Step 1. Run the LGMDP-EURO application ❏ Step 2. Click on the “Select Port” and Connect the port • Click on the Select Port and then Select Port window will be pop up. Check if state shows Enable for the port to be connected for downloading images.
  • Page 149 5. DOWNLOAD Download images - Original [2] ❏ Step 3. Flashing the all Images • Please Follow the sequence 1,2,3,4,5 in the captured picture In case of LGMDP-EURO, Automatically checked - 150 -...
  • Page 150 5. DOWNLOAD 5.2.7 Download images - DZ [1] ❏ Step 1. Run the LGMDP-EURO application ❏ Step 2. Click on the “Select Port” and Connect the port • Click on the Select Port and then Select Port window will be pop up. Check if state shows Enable for the port to be connected for downloading images.
  • Page 151 5. DOWNLOAD Download images - DZ [2] ❏ Step 3. Changing flashing mode to DZ flashing • Please Follow the sequence 1,2,3,4 in the captured picture 1. Change the flashing mode 2. Browse the downloaded dz image. 4. start 3. Select Erase EFS - 152 -...
  • Page 152 5. DOWNLOAD 5.2.8 Checking Procedure ❏ Purpose of this is to check if UE is OK after downloading new software image. ❏ Step 1. Check the Software version information ❏ Step 2. Check the NV data • Select Tools -> Service Programming in LGMDP-EURO - 153 -...
  • Page 153 • LGMDP-EURO supports a NV Restore function 5.2.9.1 Download in emergency mode [1] ❏ Step 1. Run the LG MDP-EURO application ❏ Step 2. Enter into Emergency Mode Booting procedure • While pressing “2” + “5” simultaneously using one hand, then Plug the Cable between Phone and PC using the other hand.
  • Page 154 5. DOWNLOAD Download in emergency mode [2] ❏ Step 3. Flashing the all images except media and module images • Please Follow the sequence 1,2,3,4 in the captured picture - 155 -...
  • Page 155 5. DOWNLOAD 5.2.9.2 NV Restore [1] ❏ Step 1. Run the LGMDP-EURO application ❏ Step 2. Connect the phone to LGMDP-EURO using USB cable ❏ Step 3. Click the cancel icon in image selection window - 156 -...
  • Page 156 5. DOWNLOAD NV Restore [2] ❏ Step 4. Click the NV Restore icon in menu bar ❏ Step 5. Select proper NV backup file ❏ Step 6. Click the Restore button - 157 -...

  • Page 157: Block Diagram

    TX_AGC_ADJ PWD_DET_IN MODULE RTR6275 SP8T SBDT SSBDT_RTR EGSM TX SAW LB_RF_OUT1 RF_ON TX_ON FILTER Quad DCS/PCS HB_RF_OUT2 RX_IQ RX_IQ EGSM_INP EGSM_INN TX_IQ TX_IQ DCS_INP DCS_INN DAC_REF DAC_REF GPCS_INP GPCS_INN GSM900/1800/1900 [Fig 2.1] U970/KU970 RF Functional Block Diagram - 158 -...
  • Page 158 6. BLOCK DIAGRAM [Table 2.1] RF Block Component - 159 -...

  • Page 159: Interface Diagram

    6. BLOCK DIAGRAM 6.2 Interface Diagram 6.2.1 RTR6275 & MSM6280 Interface Diagram Bluetooth PM6650-2M RF Module SPK/RCV VCTCXO GSM Block GSM900 Tx TX SAW GSM1800/1900 Tx MAIN LCD GSM900 Rx GSM1800 GSM1900 Rx MSM6280 2M CAMERA WCDMA Block Front VGA CAMERA RTR6275 Module WCDMA...

  • Page 160: Memory Interface

    6. BLOCK DIAGRAM 6.2.2 Memory Interface EBI1 EBI2 ADDRESS[15:0] NAND_CS* DATA[31:0] NAND_RE* NAND_WE* NAND SDRAM NAND_CLE 512Mb 1Gbit NAND_WP* CAS* (512M x 2) RAS* (64MB) NAND_ALE CLK_EN NAND_READY DATA[7:0] DQM[3:0] MSM6280 SDCC_DATA[31:0] NAND SDCC_CMD 512MB SDCC_CLK (External Memory) SIM_RESET SIM_IO USIM SIM_CLK CKCRI CKCRO...
  • Page 161 6. BLOCK DIAGRAM 6.2.3 USB,UART,SIM,JTAG Interface MSM6280 PM6650-2 VBUS USB_DAT USB_SE0 TRANSCEIVER USB_OE_N PM_SBDT PM6650 UART3 /PM_SBI USIM UART2 TRANSCEIVER /RUIM1 UART1 JTAG Interface JTAG [Fig 2.4] USB, UART, SIM, JTAG Interface - 162 -...
  • Page 162 6. BLOCK DIAGRAM Main RF signal Main RF signal Description Comment GSM 900 TX GSM 900 TX RF Signal DCS TX DCS TX RF Signal PCS TX PCS TX RF Signal UMTS2100 TX UMTS2100 TX RF Signal GSM 900 RX GSM 900 RX RF Signal DCS RX DCS RX RF Signal...
  • Page 163 6. BLOCK DIAGRAM 6.2.4 Placement *Top Side - 164 -...
  • Page 164 6. BLOCK DIAGRAM *Bottom Side - 165 -...
  • Page 165 - 166 -...

  • Page 166: Circuit Diagram

    R125 NAME NAME Approved Approved 8 dB END Ref. R125, C186, L125, ANT100, SW100, FL104, U104, X100, PT100, TP101, M100, Q100 DRAWING DRAWING LG Electronics Inc. LG Electronics Inc. Rev_1.3 LG Electronics Inc. LG Electronics Inc. LGMC - 167 -...
  • Page 167 Sheets 1/17 Kyra. H. KIM MODEL Designer 2007 C247 Place near 0.1u MSM pin AD26 Checked DRAWING MSM6280 NAME Approved (Check CAM_DATA PINOUT !!!!) END Ref. R218, C247, TP202, U200, X200 DRAWING Rev_1.3 LG Electronics Inc. LGMC - 168 -...

  • Page 168: Circuit Diagram

    7. CIRCUIT DIAGRAM MEMORY (1Gb NAND + 512Mb SDRAM + 512MB NAND) SDRAM_DATA(0:31) SDRAM_DATA(0) DNU43 SDRAM_DATA(1) DNU44 SDRAM_DATA(2) DNU45 SDRAM_DATA(3) DNU46 SDRAM_DATA(4) DNU47 SDRAM_DATA(5) Hook Key DNU48 SDRAM_DATA(6) DNU49 SDRAM_DATA(7) DNU50 SDRAM_DATA(8) DNU51 SDRAM_DATA(9) DNU52 SDRAM_DATA(10) DQ10 DNU53 MICBIAS SDRAM_DATA(11) DQ11 DNU54 SDRAM_DATA(12)
  • Page 169 7. CIRCUIT DIAGRAM PMIC VPWR BYPASS +VPWR Differential lines, route as equal length as possible !! --> ICHARGE , ICHARGEOUT C400 rev.1.2 USB_VBUS Q400 QST4 Rev.D USB charging USB_CNT_N +5V_PWR C442 rev.1.2 0.1u rev.1.2 CHG_CNT_N ICHARGE C414 0.1u ADC_BYP REF_BYP +5V_PWR VCHG REF_GND...
  • Page 170 VREG_MSMP_2.7V UART_RX_IN Section Date Sign & Name Sheet/ Sheets MODEL 1/17 Designer Kyra. H. Kim rev.1.0 2007 Checked DRAWING MMI Connector NAME Approved END Ref R510, C525, U504, VA509, D502, CN501 DRAWING Rev_1.3 LG Electronics Inc. LGMC - 171 -...
  • Page 171 Sign & Name Sheet/ Sheets MODEL 2/12 Kyra. H. Kim Designer 2007 Checked Connector DRAWING OJ701 OJ703 OJ704 NAME JTAG & BtoB CON. Approved END Ref FB602, R602, VA607, C603, CN602, FL601 DRAWING Rev_1.4 LG Electronics Inc. LGMC - 172 -...
  • Page 172 LCD_CS_N Sheets MODEL I2C_SCL LCD_ADS 01/26 I2C_SDA EBI2_WE_N Designer Kyra VGA_CAM_RESET /RD : H >> GND Rev.F 2007 VA711 VA708 Checked EVLC18S02015 AXK8L70125BG EVLC18S02015 DRAWING NAME Approved IN701 IN703 IN700 IN702 DRAWING LG Electronics Inc. Rev_1.2 LGMC - 173 -...
  • Page 173 7. CIRCUIT DIAGRAM SIDE_KEY SLIDE DETECT U800 DOWN HOT800 A3212EELLT-T VREG_MSMP_2.7V FOLDER_DETECT VREG_MSMP_2.7V SW800 C800 0.1u KEY_ROW(4) RA800 CAMERA KEY_ROW(3) FOCUS KEY_ROW(2) KEY_COL(3) KEY_COL(4) BACK LCD LDO KEY_ROW(0) U801 BH28FB1WHFV KEY_ROW(1) LCD_LDO_EN STBY BGND +VPWR VOUT VREG_LCD_2.8V C802 ON_SW KEY SIDE C801 KEY_ROW(2) ON/END...
  • Page 174 7. CIRCUIT DIAGRAM B TO B ( KEY TO FPCB ) LCD_Connector CAM_Connector CN901 VREG_LCD_2.8V +VPWR VREG_MSMP_2.7V CN900 C900 KYBD_BACKLIGHT VCAM_AVDD_2.8V WLED_PWR VCAM_DVDD_1.8V 0.1u VGA_CAM_PWDN VCAM_AVDD_2.8V CN902 MAIN_LED4 VREG_LCD_2.8V CAM_MCLK VCAM_DVDD_1.8V MAIN_LED3 VGA_CAM_RESET MAIN_LED2 SCROLL_EN CAM_PCLK I2C_SCL MAIN_LED1 SCROLL_A CAM_DATA(0) I2C_SDA MAIN_LED0 SCROLL_B...

  • Page 175: Pcb Layout

    8. PCB LAYOUT U970/KU970 - 176 -...
  • Page 176 8. PCB LAYOUT U970/KU970 - 177 -...
  • Page 177 8. PCB LAYOUT U970/KU970 - 178 -...
  • Page 178 8. PCB LAYOUT U970/KU970 - 179 -...
  • Page 179 8. PCB LAYOUT - 180 -...
  • Page 180 8. PCB LAYOUT - 181 -...
  • Page 181 - 182 -...

  • Page 182: Calibration & Rf Auto Test Program

    9.1 Configuration of HOT KIMCHI 9.1.1 Configuration of directory Cm_Grut Common dll_serialat LG_CL_009.dll At_Serial_Cmd.xml Diag_NV6250_RevB.dll Diag_NV6275.dll Diag_NV.dll DLL_E5515CD.DLL DLL_PwrControlD.dll Dll_SerialATD.dll LG_CL_011.dll PwrSupply_Cmd.xml U970 or KU970 Debug Auto U970 or KU970 CalAuto U970 or KU970 : Directory : File - 183 -...
  • Page 183 9. Calibration & RF Auto Test Program (Hot Kimchi) Hot_Kimchi Debug image ComLMPLib_11.dll Dll_EzLooksMQ_004.dll GuiTk115d.dll HK_25.exe ijl11.dll SBCmd.xml ShieldBox_DllD.dll Model U970 or KU970 LG_RfTest_E5515C_211.dll AutoSetup_001.xml QMSL_MSVC6R.dll Cal_Setup_Test.xml Ezlooks.xml LG_RfCal_Q3G6280V_020.dll Procedure_U970_004.xml script_auto_001.xml : Directory script_cal_003.xml : File Spec_FullBand_005.xml - 184 -...
  • Page 184 (Win98)MFCD DLL COPY.bat (Win2000)MFCD DLL COPY.bat (WinXP)MFCD DLL COPY.bat MFC42D.DLL MFCD42D.DLL MFCN42D.DLL MFCO42D.DLL MSVCP60D.DLL MSVCRTD.DLL Vsflex7L.ocx vsflex7l_ocx_regist.bat Result Auto U970 or KU970 U970 or KU970 CalAuto U970 or KU970 image result.bmp LG_UI_Ad6500_002.dll LG_UI_EmU400_001.dll : Directory LG_UI_Qu6250_003.dll : File LG_UI_Qu6275_003.dll _New_HK_0808.reg...

  • Page 185: How To Use Hot Kimchi

    9. Calibration & RF Auto Test Program (Hot Kimchi) 9.2 How to use HOT KIMCHI ➀ ➁ ➂ * Procedure 1. Click “Logic Operation” of “SETTING” menu bar 2. Select “UART Port” that PC can communicate with the phone 3. Select “LOGIC MODE” that you want - Logic Mode ->...
  • Page 186 9. Calibration & RF Auto Test Program (Hot Kimchi) U970 ➄ Click "Start" ➃ Select "U970" or "KU970" U970/KU970 * Procedure 4. Select the model name “U970” or “KU970” 5. Click “Start” button - 187 -...
  • Page 187 - 188 -...

  • Page 188: Exploded View & Replacement Part List

    10. EXPLODED VIEW & REPLACEMENT PART LIST 10.1 EXPLODED VIEW 23 25 16 17 12 13 15 - 189 -...
  • Page 189 - 190 -...

  • Page 190: Replacement Parts

    Level Descriptoin Part Number Spec Color Remark IMT-2000(SLIDE) TISL0001101 Silver AAAY00 ADDITION AAAY0194301 U970 Silver MPBZ00 MPBZ0155624 BOX, TW, , , , , Without Color MPBZ01 MPBZ0036807 BOX, SW, , , , , 1 COLOR Without Color MPCY00 PALLET MPCY0009501...
  • Page 191 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark MFBD00 FILTER,MIKE MFBD0020301 COMPLEX, (empty), , , , , Without Color MTAB00 TAPE,PROTECTION MTAB0137401 COMPLEX, (empty), , , , , Without Color ACGT00 COVER ASSY,UPPER ACGT0001801 Without Color MCJW00 COVER,SLIDE(UPPER)
  • Page 192 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark MWAC00 WINDOW,LCD MWAC0072701 COMPLEX, (empty), , , , , Without Color GMEY00 SCREW MACHINE GMZZ0017701 1.4 mm,3.0 mm,MSWR3 ,N ,+ ,- , Silver MCCH00 CAP,SCREW MCCH0097401 MOLD, Urethane Rubber S195A, , , , , Without Color...

  • Page 193: Main Component

    Color Remark WSAY00 SOFTWARE,APPLICATION WSAY0087101 ; , , ,WORLD WIDE , , APAY00 PACKAGE APAY0087830 U970(CMW) HIT Vinyl Package(9501-Angle) Silver MPBZ00 MPBZ0155627 BOX, TW, , , , , Without Color MPBZ01 MPBZ0155626 BOX, TW, , , , , Without Color...
  • Page 194 CN901 ENBY0022801 70 PIN,0.4 mm,ETC , ,H=0.9, Socket BOARD SPCY00 PCB,FLEXIBLE SPCY0084801 POLYI ,0.3 mm,MULTI-3 ,CMW, F-SLIDE SAEY00 PCB ASSY,KEYPAD SAEY0054201 U970 KEY SAEB00 SAEB0018801 U970 ASSY,KEYPAD,INSERT ADCA00 DOME ASSY,METAL ADCA0060201 Without Color MGAD00 GASKET,SHIELD FORM MGAD0134701 COMPLEX, (empty), , , , ,...
  • Page 195 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark MIC800 MICROPHONE SUMY0010508 PIN ,42 dB,4*4 ,SMD Bridge Type Q701 TR,BJT,NPN EQBN0014901 SOT323 ,.2 W,R/TP ,NPN SWITCHING TR, Pb free Q800 TR,BJT,NPN EQBN0014901 SOT323 ,.2 W,R/TP ,NPN SWITCHING TR, Pb free R702 RES,CHIP,MAKER ERHZ0000533...
  • Page 196 MCBA0012301 PRESS, STS, , , , , Without Color MTAB00 TAPE,PROTECTION MTAB0156301 COMPLEX, (empty), , , , , Without Color MLAK00 LABEL,MODEL MLAK0006301 LG (30.5x21.5 4-1R) Pearl White SAFY00 PCB ASSY,MAIN SAFY0179801 SAFB00 PCB ASSY,MAIN,INSERT SAFB0068901 U970 MCBA00 CAN,SHIELD MCBA0012201...
  • Page 197 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C215 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C216 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C217 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C219 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C223 CAP,CERAMIC,CHIP ECCH0000143...
  • Page 198 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C317 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C318 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C319 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C320 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 199 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C436 CAP,CERAMIC,CHIP ECCH0005604 10 uF,6.3V ,M ,X5R ,TC ,1608 ,R/TP C437 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C438 CAP,CERAMIC,CHIP ECCH0000143 1 nF,50V,K,X7R,HD,1005,R/TP C441 CAP,CERAMIC,CHIP ECCH0006201...
  • Page 200 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark 4.7 uH,M ,1 ,R/TP , ,; , ,0.3NH , , , , , ,NON SHIELD L401 INDUCTOR,SMD,POWER ELCP0008004 ,2.5X2X1MM ,11MM ,R/TP 4.7 uH,M ,1 ,R/TP , ,; , ,0.3NH , , , , , ,NON SHIELD L403 INDUCTOR,SMD,POWER ELCP0008004...
  • Page 201 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark R406 RES,CHIP,MAKER ERHZ0000490 51 ohm,1/16W ,J ,1005 ,R/TP R407 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP R409 RES,CHIP,MAKER ERHZ0000486 47 Kohm,1/16W ,J ,1005 ,R/TP R410 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP...
  • Page 202 Tolerance 0.2%, 0.05% at -40'C ~ +85C, Built-In Cap 32.768 KHz,20 PPM,12.5 pF,70 Kohm,SMD ,3.2*1.5*0.9 X400 X-TAL EXXY0018701 SAFD00 PCB ASSY,MAIN,SMT TOP SAFD0086701 U970 MAIN ANT100 CONN,RF SWITCH ENWY0004001 ,SMD ,1.3 dB, 2 V,0.5 mAh,CYLINDER ,Reflow type BB, Max T 1.67, BAT400 BATTERY,CELL,LITHIUM SBCL0001701 phi 4.8, Pb-Free...
  • Page 203 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C133 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C136 CAP,CHIP,MAKER ECZH0000813 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C137 CAP,CHIP,MAKER ECZH0000841 56 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C138 CAP,CERAMIC,CHIP ECCH0000155...
  • Page 204 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C174 CAP,CHIP,MAKER ECZH0000816 12 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C175 CAP,TANTAL,CHIP ECTH0004101 22 uF,6.3V ,M ,STD ,1608 ,R/TP C176 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C177 CAP,CHIP,MAKER ECZH0000813 100 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP...
  • Page 205 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark C600 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C601 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C602 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C603 CAP,CERAMIC,CHIP ECCH0000182...
  • Page 206 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark L113 RES,CHIP,MAKER ERHZ0000401 0 ohm,1/16W ,J ,1005 ,R/TP L114 INDUCTOR,CHIP ELCH0004720 1.2 nH,S ,1005 ,R/TP , L115 INDUCTOR,CHIP ELCH0001034 3.3 nH,S ,1005 ,R/TP ,PBFREE L117 INDUCTOR,CHIP ELCH0005020 1 nH,S ,1005 ,R/TP ,...
  • Page 207 10. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Descriptoin Part Number Spec Color Remark R125 RES,CHIP,MAKER ERHZ0000411 120 ohm,1/16W ,J ,1005 ,R/TP R200 RES,CHIP,MAKER ERHZ0000222 150 Kohm,1/16W ,F ,1005 ,R/TP R202 RES,CHIP,MAKER ERHZ0000493 51 Kohm,1/16W ,J ,1005 ,R/TP R205 RES,CHIP,MAKER ERHZ0000312 68 Kohm,1/16W ,F ,1005 ,R/TP...

  • Page 208: Accessory

    DATA CABLE SGDY0010901 LG-US03K ,18pin USB DataCable EAR PHONE/EAR MIKE ; ,40mW ,16 OHM ,100dB ,F0 ,10KHZ ,[empty] ,[empty] SGEY00 SGEY0005526 ,18P MMI CONNECTOR ,SILVER,LG MARK SSAD00 ADAPTOR,AC-DC SSAD0021002 100-240V ,5060 Hz,4.8 V,0.9 A,CB & CE ,18pin plug ADAPTOR,AC-DC SSAD0021001 100-240V ,5060 Hz,4.8 V,0.9 A,CB &...
  • Page 209 Note...
  • Page 210 Note...

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Ku970

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