LG KM710 Service Manual

LG KM710 Manual

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  • LG KM710 | Service Manual - Page 1
    Service Manual Internal Use Only Service Manual KM710c Date: May, 2008 / Issue 1.0 Model : KM710c
  • LG KM710 | Service Manual - Page 2
    design as advances in engineering and manufacturing methods warrant. This manual provides the information necessary to install, program, operate and maintain the KM710c. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes -3- LGE Internal Use Only
  • LG KM710 | Service Manual - Page 3
    LGE Internal Use Only -4- Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 4
    16 Ear-Mic Headset HSOR/HSOL Trouble Shooting 90 4.17 FM-Radio Trouble Shooting 91 4.18 Transflash Trouble Shooting 93 4.19 Main Key Backlight LED Trouble Shooting 95 4.20 Slide LCD Backlight LED Trouble Shooting 97 4.21 Vibrator Trouble Shooting 99 5. Download 100 5.1 Download Software 100
  • LG KM710 | Service Manual - Page 5
    LGE Internal Use Only -6- Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 6
    user, allowing the user to take appropriate steps to maintain telephone service. D. Maintenance Limitations Maintenance limitations on the KM710c must be performed only by the LGE or its authorized agent. The user may not make any changes and/or repairs expect as specifically noted in this manual
  • LG KM710 | Service Manual - Page 7
    provide information such as the following to the end user. F. Pictures The pictures in this manual are for illustrative purposes only; your actual hardware may look slightly different. G. Interference and Attenuation An KM710c may interfere with sensitive laboratory equipment, medical equipment, etc
  • LG KM710 | Service Manual - Page 8
    this manual, following abbreviations apply: APC BB BER CC-CV DAC DCS dBm DSP EEPROM EL ESD FPCB GMSK GPIB GSM IPUI IF LCD LDO LED OPLL PAM PCB PGA PLL PSTN RF RLR RMS RTC FEM SIM SLR SRAM STMR TA TDD TDMA UART VCO VCTCXO WAP Automatic Power Control KM710c Bit
  • LG KM710 | Service Manual - Page 9
    KM710c: GPRS Class 10 / EDGE Class 10 2.2 Supporting Standard Item Supporting Standard Frequency Range Application Standard Feature KM710c : GSM900/DCS1800/PCS1900 KM710d LGE Internal Use Only - 10 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 10
    : 27 dBm DCS 1800 : 26 dBm PCS 1900 : 26 dBm GPRS Class 10 EDGE Class 10 Plug-In SIM 3V /1.8V Main LCD 2 inch 262K Color TFT (240 x 320 pixel) Backlight : White LED Sub LCD 1.1 inch 262K color TFT (128 RGB x 160 dots) 3M QXGA CMOS Camera Comment With Battery @ Paging Period 5 @ Power Off / 950mAh
  • LG KM710 | Service Manual - Page 11
    263, H.264 Voice Recording Yes Speaker Phone mode Yes Support Travel Adapter Yes CDROM Yes Stereo Headset Yes Data Cable Yes T-Flash (External Memory) Yes Comment Function Key Only - 12 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 12
    Book / Message / Camera / My Stuff / Favorite PC Sync Schedule / Phonebook / MEMO / SMS / Download(Photo, file) Speed Dial Yes (2~9) Profile Yes CLIP / CLIR Yes (different melody) Phone Book 4 Numbers + 1 Memo + 1 e-mail + Group Select + Picture Last Dial Number Yes (40) Last Received
  • LG KM710 | Service Manual - Page 13
    (EMS) Yes 200(10) Feature SMS Over GPRS EMS Melody / Picture Send / Receive / Save MMS MPEG4 / Send / Receive / Save Long Message Cell Broadcast Download Game Calendar Memo Unit Convert Tip Calculator Wall Paper WAP Browser Download Melody / Wallpaper SIM Lock SIM Toolkit MMS EONS CPHS ENS Camera
  • LG KM710 | Service Manual - Page 14
    Sync ML No IM No Email Yes Feature Comment V2.0 HSP, HFP, OPP, FTP(server), BPP, A2DP, AVRCP Class 10 Class 10 Max. 7 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 15 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 15
    Receiver Part The B6PLD receiver supports quad band, so the front-end incorporates four LNAs and two mixers. The incoming RF signals are mixed directly down to I/Q baseband by the front-end block. This incorporates four LNAs/four buffers and two Gilbert Cell mixer blocks optimized for operation
  • LG KM710 | Service Manual - Page 16
    PGA/Low pass Filter Specifications The baseband programmable amplifier to achieve maximal group delay flatness in the pass-band combined with the required levels of suppression of interfering © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 17 - LGE
  • LG KM710 | Service Manual - Page 17
    part The B6PLD transmitter is capable of both GMSK and 8-PSK modulation, to support for conventional GSM and EDGE. B6PLD integrates all loop filters to configure both . LGE Internal Use Only - 18 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 18
    3.2.3 RF Synthesizer 3. HW Circuit Description 3.2.4 Front End Module Specification 3.2.4.1 Block Diagram and Internal Matching Condition FEM RC 8R FEM Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 19 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 19
    2.6V 0V 0V 0V Band SW Logic Table 3.2.5 Power Amplifier Module for Quad-band GSM/GPRS/EDGE 3.2.5.1 PAM Specification -. Quad band GSM, GPRS & Polar Loop EDGE LGE Internal Use Only PAM - 20 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 20
    DCS1800 and PCS1900 quad band cellular system, and incorporates digital interface specification DigRF standard v112 interface comprise a bidirectional 3-wire serial interface with the three LG Electronics. Inc. All right reserved. Only for training and service purposes - 21 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 21
    on a UMA 2.6 architecture integrating a C55x DSP core The OMAPV1030's silicon process technology is a c027.0 90-nm digital CMOS. LGE Internal Use Only - 22 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 22
    providing: - External memory interfaces with: - A slow interface (EMIFS) to ROM, SRAM, FLASH memories - A fast interface (EMIFF) to SDRAM memories - Layer 3 (L3) interconnect Overview Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 23 - LGE
  • LG KM710 | Service Manual - Page 23
    wires for transmit and three for receive. - The second one is based on a two-wire bidirectional scheme: one wire for data in/out, and one for control receive/transmit. LGE Internal Use Only - 24 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 24
    data interface. - The serial radio interface module is used for the two-wire data interface. - A system clock interface receives a squared 26-MHz clock from the RF IC. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 25 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 25
    reference clock SIM_PWCTRL: SIM Card power activation SIM_RST: SIM Card async/sync reset SIM_IO: SIM Card bi-directional data line VRUSIM(Power supply VCC): 3 . LGE Internal Use Only - 26 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 26
    Interface KM710d has Three UART Drivers as follow : - UART1: USB - UART2: ETM, Calibration - UART3: AT command, Fax_modem, Bluetooth UART1(USB) To Send UART Interface Spec Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 27 - LGE
  • LG KM710 | Service Manual - Page 27
    O Wheel chip reset O Headset path select I/O Wheel Touch key control I FM radio Interrupt O Hook detect enable O Sub LCD Reset O speaker enable O DA& power LDO enable(2.8V) O LCD/Wheel power LDO enable(2.8V) O Main LCD reset I Jack Detect (DBB 내 부 pull up) O Telechips USB/Core 1.5V
  • LG KM710 | Service Manual - Page 28
    / image compression / decompression standards by software based architecture. The on-chip USB 2.0 compliant controller enables the data transmission flash, SD. Functional Block Diagram of TCC740xA Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 29
    for Instruction TCM 4KB dual port data TCM 3.4.2 USB 2.0 Device Controller The TCC7402 USB2.0 Device supports a fully compliant to USB 2.0 specification, /80-series interfaces and access the memory area of this LSI. For software based data transfer, EHI can generate the internal interrupt of this LSI
  • LG KM710 | Service Manual - Page 30
    buffer. At this interrupt, user should read 8 received words from the input buffer using 8 consecutive load instructions from the DADI registers. 3.4.6 Camera & LCD The TCC7402 provides camera interface. The features of CIF are is 8-bit data and sync line which supports CCIR 601/656, 4:2:2,YCbCr
  • LG KM710 | Service Manual - Page 31
    , an application processor OMAP and of different peripheral devices like a LCD panel, a Multi-Media Card, a Bluetooth modem, a GPS battery charger - A monitoring system - A real time clock resource - A USB 2.0 OTG transceiver with a carkit interface - Three White-LEDs drivers - A vibrator driver
  • LG KM710 | Service Manual - Page 32
    of a Voice Codec dedicated to mobile telephone terminal application and a Stereo path received from the I2S serial interface into analog audio. It supports all standard frequencies from 8kHz to 48kHz (8, 11.025, LG Electronics. Inc. All right reserved. Only for training and service purposes -
  • LG KM710 | Service Manual - Page 33
    3. HW Circuit Description LGE Internal Use Only Power Supply Scheme - 34 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 34
    deteect I LCD ID detect I Remmoco n ADC value indicate I Pull down, battery insert input(USB) O backup battery I Remote c ontrol Interrupt Input O Vibrator O Main key LED - N.C ADC Channel Spec 3.5.5 Switch ON/OFF KM710c Power State: Defined 4cases as follow - Power-ON: mobile is
  • LG KM710 | Service Manual - Page 35
    (2) KBC(5) KBR(3) SIDE_KEY_MUSIC_CAM ZD313 PRSB6.8C ZD314 PRSB6.8C ZD315 PRSB6.8C ZD316 PRSB6.8C ZD317 PRSB6.8C LGE Internal Use Only - 36 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 36
    O Comme nt I FM signal antenna I Headset Mic signal I Jack type deteect I Headset receiver Left I Headset receiver Right I Multiport : UART, USB 2.0 , Remmoc on Interrupt I Multiport : UART, USB 2.0, Remmocon ADC valu I Jack detect signal Battery power O External Power On - Charger pow
  • LG KM710 | Service Manual - Page 37
    MCSI_SYNC MCSI_DIN MCSI_BCLK R102 DNI UART_TXD C102 1000p L102 100nH OUT100 OUT101 C104 DNI BT schematic LGE Internal Use Only - 38 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 38
    shutdown input(active low) also acts as power-on reset POWER SUPPLY VBAT Battery power supply VDD_IO1 Power supply for I/O BB_LDO_OUT1 Baseband LDO HCI UART data transmit Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 39 - LGE Internal Use
  • LG KM710 | Service Manual - Page 39
    specification compliant - up to HCI level. • Enhanced Data Rate (2&3 Mbps) • Future support for Bluetooth 2005 core release (software upgrade when Bluetooth specification o Direct connection to battery or external LDO 1.7 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 40
    Bluetooth Block Diagram 3. HW Circuit Description BT ANTENNA BBRRFF66330000 MMaattcchhiinngg cciirrccuuiitt BBaallaannccee FFiilltteerr BT Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 41 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 41
    or dummy battery to the DUT for power up. -Connect mobile switch cable between Communication test set and DUT when you need to make a phone call. -Follow trouble shooting procedure LGE Internal Use Only - 42 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 42
    Trouble Shooting 4.1 RF Part Technical Brief 4.1.1 RF Part Component X400 U401 U400 U403 U402 ] Part Description SW400: Mobile Regulator Circuit Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 43 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 43
    4. Trouble Shooting 4.1.2.2 Power Amplifier Module (RPF09036B) Select the RX / TX path and amplifier the 1 C431 33p C435 22p C_VCCRF PAM Circuit Diagram LGE Internal Use Only - 44 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 44
    4. Trouble Shooting 4.1.2.3 FEM Pass wanted signal and include LNA matching circuit. U401 EGSM PCS DCS /GSM FL400 ESHS-C090SR GND5 GSM18001900_TX DCXO Circuit Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 45 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 45
    Shooting 4.2 RF Part Trouble shooting 4.2.1 RF Receiving Path Trouble Shooting Check.2 Check.4 START HP8960 : Test mode 190 CH, 5 Circuit Re-download SW & CAL LGE Internal Use Only - 46 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 46
    OK. VBAT VCC_SYN REGEN C439 1u C440 4.7u U403 RT9011-MMPQW 1 2 VIN 3 EN1 EN2 4 NC1 8 VOUT1 7 VOUT2 NC2 6 5 9 PGND GND C_VCCRF C441 4.7u Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 47 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 47
    C8 GNDVCXO_OR D7 VOUTEF2 DCXO Circuit Diagram DCXO R401 26MHz? NO Check U401 YES DCXO is OK. LGE Internal Use Only - 48 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 48
    4. Trouble Shooting 4.2.1.3 Mobile Switch & PAM & FEM Circuit Mobile Switch SW400 between C413 and NO C421 Is short? RX RX RX LB_HB TX_ANT_SW_EN Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 49 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 49
    4. Trouble Shooting 4.2.1.4 RF Main Transceiver Circuit C400 C403 C_VCCRF VCC_SYN C403 0.01u C409 22p C400 0.01u C406 VCCLNA D3 B2 A2 PCSGND LGE Internal Use Only - 50 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 50
    ) Spectrum analyzer setting Oscilloscope setting 1. Check Regulator Circuit 2. Check DCXO Circuit 3. Check FEM Circuit 4. Check Transceiver Circuit Re-download SW & CAL Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 51 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 51
    4. Trouble Shooting 4.2.2.1 Mobile Switch & PAM & FEM Circuit Mobile Switch X400 U401 U403 U400 U402 FL400 SW400 SW401 between C413 and C421 Is short? YES FEM NO Replace SW400 Check Control Signal NO C422, C424 YES NO Check R403, R404 RF LEVEL ≥ 0dBm YES Re-download SW & CAL Check U401
  • LG KM710 | Service Manual - Page 52
    Shooting 4.3 Bluetooth Trouble Shooting start Set BT Test mode ON YES In Engineering YES YES YES Check DBB(U103) Re-Download S/W Replace BT Module & Analog switch Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 53 - LGE Internal Use
  • LG KM710 | Service Manual - Page 53
    4. Trouble Shooting 4.3.1 Checking BT Antenna 4.3.1.1 Visual Inspection 4.3.1.2 Checking BT VRIO Checking pin C100, C101 Fig. 3> C106 C106 26 26M Hz LGE Internal Use Only - 54 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 54
    4. Trouble Shooting 4.3.1.4 Checking BT RF OUT H1 RFP H2 RFM JTAG_TDI C3 E6 JTAG_TDO B5 C104 DNI Check with Spectrum Analyzer in BT Equipment connection status. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 55 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 55
    4.4 Baseband Part Troubleshooting 4.4.1 Power On Trouble 4.4.1.1 Power-On Trouble Troubleshooting zPower-On Sequence - Connecting Battery - Power-On Key Detection - Pwon signal goes to ABB and then ABB resets DBB by ONOFF signal - ONNOFF turns low(0v) to High (2.8V) and it resets DBB (Neptune
  • LG KM710 | Service Manual - Page 56
    * DBB Power-On Trouble Troubleshooting 4. Trouble Shooting Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 57 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 57
    4. Trouble Shooting 4.4.2 Check Point Triton Power Supplies LGE Internal Use Only - 58 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 58
    2.85V, T-flash C135 : VRSIM => 1.8 / 2.85V, SIM C136 : VRUSB => 3.3v C137 : VRRTC => 1.8v C138 : VRIO => 1.8v C139 : VRABB => 2.8v C140 : VRMEM => 1.8v C141 : VRPLL => 1.3v / 1.4v 4. Trouble Shooting Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 59
    4. Trouble Shooting START Check is the CN700(main key) Is well-soldered? YES R712 Main FPCB is OK? YES U103( Main) check ? YES Booting is operating properly Re-solder the CN700 (main battery terminal) NO Re-solder R712(main power key) NO Connect the Main key, Main, Main FPCB NO Replace Main FPCB
  • LG KM710 | Service Manual - Page 60
    charging operation z -20°C ~ 60°C: Charging z 60°C ~: Not charging operation small charging operation Battery ICON 3.74V ± 0.05V 3.64V ± 0.05V BLINKING 3.46V ± 0.05V Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 61 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 61
    of TA z Charger IC z Battery - Trouble Shooting Setup z Connect Battery & TA to the handset - Trouble Shooting Procedure z Check the charger connector z Check the charging current path z Check the battery TA USB CHG_EN ISL9221 Battery Charger power USB power VCHG_IN VBUS_IN _EOC CHG_EN U101
  • LG KM710 | Service Manual - Page 62
    13) Re-solder the FB304, FB305(Main) NO Replace the U101(Main) NO The IC out of order. NO Replace the IC The Battery may have Problem. Change Battery NO CN300 U101 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 63 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 63
    Trouble Shooting 4.5 LCD Display Trouble shooting z LCD Control signals from Main Board - The signal of DBB is ELCD_DATA(16BIT), ELCD_CS/WR/ADS, ELCD_CS, - LCD MODULE POWER SOURCE and LCD reset the LCD Module - The Soldering of connector - The FPCB which connects the LCD Module z Trouble Shooting
  • LG KM710 | Service Manual - Page 64
    4. Trouble Shooting FPCB Connector < CN801 > Wheel Connecto r Mai n LCD Connecto r Sub LCD Connecto r Main FPCB Connect or MAIN LCD INTERFACE LED_CA1 MLCD_DATA(0) DP_2V8 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 65 - LGE Internal
  • LG KM710 | Service Manual - Page 65
    4. Trouble Shooting 4.5.2 Check Point #2 - FPCB Sub LCD Connector 4.5.3 Check Point #3 - Main PCB Main LCD Connector FPCB Connector < CN801 > LGE Internal Use Only EMI filter - 66 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 66
    4. Trouble Shooting < Connection of Main PCB > MLCD_DATA(15:0) SLIDE FPCB CONNECTOR 29 36 30 35 31 34 32 33 LED_OUT For LCD LED VRIO For HALL IC ESD9X5.0ST5G INSTPAR VIBRATOR ZD310 GB042-64S-H10-E300 - You must check signals LCD Connector Side of a Main FPCB because you could
  • LG KM710 | Service Manual - Page 67
    to No the board? Refer to Power On Trouble Yes First of all, push a key pad LCD Display is OK? Yes Replace the FPCB The LCD is broken. Change the LCD. Change the board LGE Internal Use Only - 68 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 68
    Check the soldering of Components - Check the CAMERA signals z Trouble Shooting Setup - Enter the engineering mode. - Go to menu '2.Baseband 3.Camera 1.Main LCD Preview' Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 69 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 69
    Camera Connector < CN802 > VRIO(1.8V) VCAM_28 CAM_D(4) CAM_D(5) CAM_D(6) CAM_D(7) CAM_D(0) CAM_D(1) CAM_D(2) CAM_D(3) CAM_PCLK CAM_MCLK CAM_HS CAM_VS LGE Internal Use Only - 70 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 70
    4. Trouble Shooting < CN801 Connection of Main PCB > CAM_RST FLASH_CAM CAM_I2C_SDA CAM_I2C_SCL Main PCB because you could check final signal states through connector. Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 71 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 71
    Module? 2. FPCB and boards? Yes Refer to Power On Trouble Camera Main LCD Preview Refer to LCD Display Trouble Reconnect FPCB or Camera Module Paths of Camera control No signals Use Only - 72 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 72
    Shooting 4.7 Wheel Module Trouble Shooting z Wheel Control signals 29 36 30 35 31 34 32 33 LED_OUT For LCD LED VRIO For HALL IC ESD9X5.0ST5G INSTPAR VIBRATOR ZD310 Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 73 -
  • LG KM710 | Service Manual - Page 73
    < CN801 > Sub LCD Connector Main FPCB Connector 4.7.2 Check Point #2 - FPCB 4.7.3 Check Point #3 - Main PCB FPCB Connector < CN801 > LGE Internal Use Only Main LCD Connector EMI filter - 74 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 74
    is supplied to No the board? Refer to Power On Trouble Yes First of all, push a key pad then check No LCD Display is OK? Yes Replace the FPCB The LCD is broken. Change the LCD. Change the board Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 75
    Shooting 4.8 SIM Detect Trouble Shooting SIM interface scheme is shown below. SIM_IO, SIM_CLK, ) SIM_IO (R711) SIM_IO SIM_CLK SIM_CLK: SIM Card reference clock SIM_RST: SIM Card async/sync reset SIM_IO: SIM Card bi-directional data line SIM_PWRCTRL: SIM Card power activation SIM_RnW: SIM Card
  • LG KM710 | Service Manual - Page 76
    into socket - Connect PIF_UNION Jig to the phone, and Power on z Trouble Shooting Procedure - Check the power supply - Check the soldering of SIM socket - Check the SIM Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 77 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 77
    4. Trouble Shooting STAR T Insert SIM YES The soldering of SIM connector is OK? YES NO Re-solder the J700 of the SIM Card. The DBB(U103) is broken. Change the board. LGE Internal Use Only - 78 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 78
    Shooting 4.9 Slide Up/Down Trouble Shooting Slide Operation scheme is shown below. SLIDE SWITCH VRIO C102 1u ) => Slide Down H : Up (Not magnetized) => Slide Up Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 79 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 79
    low on Magnetizing into U100? YES The DBB(U103) is broken. Change the board. NO Re-solder the C102, C103 NO Refer to Power ON Trouble NO Replace the U100. The U100 is broken LGE Internal Use Only - 80 - Copyright © 2008
  • LG KM710 | Service Manual - Page 80
    Shooting 4.10 Speaker/Receiver Trouble Shooting (Common Path) START SPK__RCV_N SPK__RCV_P Disassemble the slide case of phone. Check the resistance between NO SPK_RCV_P & SPK__RCV_N of the Speaker With the DVM ~ 8 ohm_ Speaker has a problem. Replace the Speaker. Disconnect The F-PCB
  • LG KM710 | Service Manual - Page 81
    4. Trouble Shooting 1 Check the SPK_EN( R606) Is SPK_EN a High? NO U103(DBB) is broken. Change the board. YES .26> INPUT(C614) of U602 OUTPUT(C619)of U602 LGE Internal Use Only - 82 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 82
    4. Trouble Shooting 2 Check the soldering of NO R602, R604, C620, C624,C625,L600-601 Soldering ) is broken. Change the board. Check the Speaker contact PAD of the FPCB Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 83 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 83
    Trouble Shooting (Acoustic Path) START Disassemble the slide case of phone. Check the soldering state of R602, R604, C620, C624, C625, L600-601 @MAIN_PCB C100,C102,C103,VA100,VA101 @MAIN_FPCB NO Receiver has a problem LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 84
    4.12 MIC Trouble Shooting z MIC Operation scheme is shown below. VBAT VCCS VBAT D7 Point - MIC bias - Audio Signal level of the Microphone - Soldering of Components Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 85 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 85
    4. Trouble Shooting z MIC Trouble START Voltage across C628 or L602 is about 2.5V? NO MICBIAS Voltage of U102 is about 2.5V NO Replace U102 change the Main Board END LGE Internal Use Only - 86 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 86
    Ear-Mic Headset to the Ear-Mic Socket of phone. Check the Ear-Jack Detection. Is the status of VA301 low? NO Re-solder FB303, VA301 YES Check the soldering status Of CN300. Is it O.K? NO Re-solder Pin #8 of CN300 YES The main_PCB has a Problem, Change the main_PCB. CN300 Copyright © 2008 LG
  • LG KM710 | Service Manual - Page 87
    Of C307,C308,L303,U302 YES U103(DBB) is broken. Change the board. NO Ear-Mic Headset has a problem. Exchange the Ear-Mic Headset NO Re-solder C307,C308,L303,U302 LGE Internal Use Only - 88 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 88
    4.15 Ear-Mic Headset MIC Trouble Shooting START Disassemble the rear case of phone. Connect the Ear-Mic Headset to the Ear-Mic Socket of phone. NO Check Soldering CN300 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 89 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 89
    4.16 Ear-Mic Headset HSOR/HSOL Trouble Shooting START NO Check the resistance between HSOUTR/L & GND of the Headset. 16 0hm ± 15%? YES Disassemble the rear case of phone. Connect the Ear-Mic Headset to the Ear-Mic Socket. Ear-Mic Headset has a problem. Exchange the Ear-Mic Headset Did you hear
  • LG KM710 | Service Manual - Page 90
    Soldering of R302,R304,R308,U301 Is it O.K? YES U103(DBB) is broken. Change the board. NO Go to EAR-MIC Headset Mic trouble shooting NO Re-solder R302,R304,R308,U301 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 91 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 91
    EAR_MIC Trouble shooting NO Replace C306,L302(Main) NO Check 32.768kHz signal at C213,C212 Can you see a signal? YES FM IC is problem. Replace the U200 NO The CLK Buffer is problem. Only - 92 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 92
    Shooting 4.18 Transflash Trouble Shooting z T- flash Operation scheme is shown below. VRIO problem. Change the Transflash card NO Change the flexible PCB Main board has a problem. Change the main-board Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 93
    56K R503 56K R504 56K R505 TF_DAT0 TF_DAT1 TF_DAT2 TF_DAT3 TF_CLK TF_CMD TFLASH detect pin for external DAT3 pulldown for internal LGE Internal Use Only - 94 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 94
    Shooting 4.19 Main Key Backlight LED Trouble Shooting z Keypad backlight LED Operation scheme is shown below. VBAT R703 10 - LEDs - Main key, Main, Main FPCB connection Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 95 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 95
    work properly NO Charge Battery NO Check the soldering of R703, R704 or Replace LEDs not working NO Check the condition of doom sheet. If problem, Replace the doom sheet LGE Internal Use Only - 96 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 96
    Shooting 4.20 Slide LCD Backlight LED Trouble Shooting z Slide LCD backlight LED Operation scheme is shown below. VBAT 1u 35 ~4.2V) - Main FPCB - LEDs - Charge pump Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 97 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 97
    to LCD Display Trouble shooting LCD_BL_ENM & LCD_BL_ENS of U102(Main) is Working? YES Backlight will work properly NO Check the condition If problem, Replace U102(Main) LGE Internal Use Only - 98 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 98
    of CN801(Main) If problem, Re-solder the CN801 NO Change the Main FPCB NO Re-solder OUT100 & C101 NO Fix the wires or replace the vibrator Vibrator has a problem. Change Vibrator Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 99 - LGE Internal
  • LG KM710 | Service Manual - Page 99
    - The older version software of the phone can be replaced to the newer version. 5.2 The Environment of Downloading Software 5.2.1 In case of using the USB Data Kit 5.2.1.1 The Preparation - Target Handset (KM710c) - USB Data kit - Battery 5.2.1.2 IBM compatible PC supporting USB with Windows 98 or
  • LG KM710 | Service Manual - Page 100
    PIF( MON Port) KM710 Handset 5. Download 5.2.2.1 Preparation - Target Handset (KM710c) - PIF - RS-232 Cable and PIF-to-Phone interface Cable - Power Supply or Battery 5.2.2.2 IBM compatible PC supporting RS-232 with Windows 98 or newer If you use battery, you should have a battery with the voltage
  • LG KM710 | Service Manual - Page 101
    5. Download 5.3 Download Procedure 5.3.1 Computer Program file -> MultiGSM.EXE Click 1. Copy "GSMULTI" Folder. Paste in "C:\" 2. Execute "GSMULTI.reg file" Registered at PC 3. "MultiGSM.exe" execution file LGE Internal Use Only - 102 - Copyright © 2008 LG Electronics. Inc. All right reserved.
  • LG KM710 | Service Manual - Page 102
    5. Download 5.3.2 Click the "Model" button. Then, choose Configuration which is going to download. 4. Munu "Setting" "Configuration" Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 103 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 103
    \MODEL\KM710\KM710.dll 2 Phone software select( *.cab or *.bin file) 3 Download speed 4 Start Comport 5 END Comport 6 Frame count select 7 internal Boot 8 O.K LGE Internal Use Only - 104 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 104
    5. Download 5.3.4 Computer Program file -> MultiGSM.EXE Click 6. Press the " START" button Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 105 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 105
    5. Download 5.3.5 After "Start Button", Which Stand-by condition 7. Stand-by condition "TI(EX) : Wait ASIC" is displayed connect the Phone LGE Internal Use Only - 106 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 106
    5.3.6. SW downloading condition Downloading : Start 5. Download Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 107 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 107
    5. Download 5.3.6. SW downloading END condition Downloading : END LGE Internal Use Only - 108 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 108
    6. Block Diagram Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes Camera SPK/ RCV MIC MMI FM radio Vibrator T-FL ASH - 109 - Audio block SUB, FPCB CLK_32K, SPK_AUXO, ABB_HSOL/R, RCV_P/N, MIC_MICP/ N, HSMICBIAS, MICBIAS, VIBRATOR, PHOTO_ADC,
  • LG KM710 | Service Manual - Page 109
    lash SUB T- FLASH TFLASH_DETECT, BT_NRST, LG Electronics. Inc. All right reserved. Only for training and service purposes MLCD_VSYNC, MLCD_CS, MLCD_RESET, LCD_ID, LCD_CA(4:1) MLCD_RD/ WR/ RS LCD_DATA(15:0 ), DP_2V8 SLCD_VSYNC, SLCD_CS, SLEC_RESET, SLCD_CA1/ 2 MAIN LCD Module SUB LCD
  • LG KM710 | Service Manual - Page 110
    INT_OUT) UART3 : B/T Headset B/T, AT Command U103 DAT_VP_RXD OE_INTN VIBDR M10 VIBRATOR UART1 -> USB Download , Mass Storage USB_0_DAT USB_0_TXEN USB_0_RCV AA17 7 8 9 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 111 - LGE Internal
  • LG KM710 | Service Manual - Page 111
    NC12 NC11 K5 NC10 H6 NC9 NC6 NC7 NC8 M6 M7 M8 M5 K6 K7 G5 G6 H5 LGE Internal Use Only - 112 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 112
    0.1u R315 100K ESD9X5.0ST5G INSTPAR INSTPAR ESD9X5.0ST5G ZD300 ZD301 JACK_DETECT : 0 = REMOCON, 1 = UART MM_USB_EN : 0 = ABB/DBB, 1 = MM USB D E 1 2 3 4 5 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 113 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 113
    3 4 EN2 NC1 VOUT2 7 NC2 6 5 9 PGND GND C441 4.7u R412 47K PT400 22K 22K THERMISTER GSM850 only R410 DNI 1 2 3 4 5 LGE Internal Use Only - 114 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 114
    LCD Interface (1.8V) IO_B = GPIO IO_C = T-FLASH, GPIO IO_E = CODEC, I2C (1.8V) IO_F = CAMERA IO_G = LCD MODE E4 A14 H for LCD , L for active MM USB 2.0 for Ccomliance Test SD_INSERT TP500 TP501 Leakage current from LCD Effects to T Flash USB_DETECT MLCD_RESET MM USB Power DP_2V8 USB 2.0 wakeup
  • LG KM710 | Service Manual - Page 115
    S2 6 9 VCC CAM_RECORD_SEL From TC C608 0.1u R601 100K SPEAKER & RECEIVER 18P HEADSET SWITCH ( MM HS | ABB HS ) VBAT RCV_P R602 R604 RCV_N C620 27p 10 3 4 5 LGE Internal Use Only - 116 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 116
    27p C700 10u 3 24 1 CN700 BACKUP BATTERY VBACKUP C701 0.1uF BAT700 KEYPAD BACKLIGHT VBAT END KB714 PWON R712 150 C SIDE_KEY_VOL LCD CHARGE PUMP CN701 1 2 3 4 3 4 5 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 117 - LGE Internal
  • LG KM710 | Service Manual - Page 117
    2 3 INOUT_A2 INOUT_B2 3 7 INOUT_A3 INOUT_B3 4 6 INOUT_A4 INOUT_B4 2 63 LED_OUT For LCD LED 3 62 5 G1 10 G2 BT_RX 3 28 5 VOUT2 4 VRIO BT_TX GND 4 5 LGE Internal Use Only - 118 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 118
    C100 100p SPK101 C102 47p C103 47p VA100 VA101 EVLC18S02015 SUB LCD INTERFACE SLED_CA1 SLED_CA2 VBAT MLCD_DATA(15) MLCD_DATA(13) MLCD_DATA( AXT520124 1 2 3 4 5 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 119 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 119
    C112 22p C113 1uF S100 SCHA1B0102 DAT2_RSV CD_DAT3_CS CMD_DI VDD CLK_SCLK VSS DAT0_DO DAT1_RSV COMMON DETECT DUMMY1 DUMMY2 E 1 2 3 4 5 LGE Internal Use Only - 120 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 120
    14 17 10 21 11 20 12 19 15 16 13 18 14 17 G3 G4 15 16 G3 G4 F F G G H H 1 2 3 4 5 6 7 8 9 10 11 12 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 121 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 121
    1 2 3 4 5 6 7 8 9 10 11 12 SW1 PLAY/PAUSE HOLD 5 KBR 4 KBC 5 3 KBC 2 2 KBC 4 1 KBC 3 CN1 TP1 TP2 H 1 2 3 4 5 6 7 8 9 10 11 12 LGE Internal Use Only - 122 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 122
    7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 UP DOWN CN100 1 2 3 KBR 4 Ground TP1 TP2 VOLUME SIDE KEY FPCB H 1 2 3 4 5 6 7 8 9 10 11 12 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 123 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 123
    LGE Internal Use Only - 124 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 124
    8. BGA IC Pin Check 8. BGA IC Pin Check BT TRANCEIVER : BRF6300 RF TRANCEIVER N/ C Do Not Connect Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 125 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 125
    8. BGA IC Pin Check DBB : D6811BZVL N/ : Do Not Connect LGE Internal Use Only - 126 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 126
    8. BGA IC Pin Check 1 2 A B C D E F G H J K L M 4 5 6 7 8 9 10 11 12 ABB : T3029FZQWR N/ C : o ot Connect Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 127 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 127
    8. BGA IC Pin Check MCP Me or : K5E1G12ACC- D075 N/ : o ot Connect LGE Internal Use Only : TCC7402 C : Do Not Connect - 128 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 128
    G12ACC- D 8. BGA IC Pin Check Connect M lti edia : TCC7402 N/ C : Do Not Connect Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 129 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 129
    LGE Internal Use Only - 130 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 130
    9. PCB LAYOUT KEY BACKLIGHT LED Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 131 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 131
    MIC Main ANT. PAD LGE Internal Use Only - 132 - CHARGE PUMP CHARGER IC MULTIMEDIA IC 12MHz CRYSTAL DBB MEMORY RF TRANCEIVER PAM FEM Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 132
    9. PCB LAYOUT Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 133 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 133
    9. PCB LAYOUT LGE Internal Use Only - 134 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 134
    9. PCB LAYOUT BT ANT. PAD BT TRANCEIVER BALUN FILTER Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 135 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 135
    9. PCB LAYOUT u-SD CARD LGE Internal Use Only - 136 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 136
    9. PCB LAYOUT Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 137 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 137
    9. PCB LAYOUT LGE Internal Use Only - 138 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 138
    9. PCB LAYOUT Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 139 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 139
    LGE Internal Use Only - 140 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 140
    proper AGC Gain to make the same Rx Power fed into the Base Band Part regardless of Antenna Input Level 10.1.2 Can make report correct RSSI level Mobile Station Tx Cal = In this case, to make MS transmit 33dBm Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 141
    2k or XP - PIF JIG Support Agilent 8960 Test Set 10.3.2 Required Equipments - Test PC with PCMCIA slot - GPIB card - E5515C(Agilent 8960 series) - Power supply KM710 LGE Internal Use Only - 142 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 142
    10.3.3 Calibration Equipment Setup 10. Calibration KM710 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 143 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 143
    10. Calibration 10.3.4 Calibration program - HOT_KIMCHI 10.3.4.1 Open the HOT_KIMCHI folder 10.3.4.2 Execute Program (HOT_KIMCHI) LGE Internal Use Only - 144 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 144
    10.3.4.3 Set the "SETTING" menu 10.3.4.4 Click the "START" KM710 10. Calibration LOGIC MODE 1. CAL ONLY 2. AUTO ONLY 3. CAL + AUTO Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 145 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 145
    10. Calibration 10.3.4.5 Check "[TEST RESULT]: PASS" KM710 LGE Internal Use Only - 146 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 146
    Auto Test 11.2. Baseband : UART, LCD, Camera, Sound, Serial Port, Battery, FM Radio, BT Test 1) LED i) B acklight a. Mai n LCD On/Off b. S ub LCD On/Off c. Ke ypad On/Off 2) LCD i) LCD auto a. LCD auto main b. LCD auto sub ii) LCD co lor Main LCD Sub LCD iii) M ain LCD RGB a. Red b. Green c. Bl ue
  • LG KM710 | Service Manual - Page 147
    5. Behavior 2c 6. Behavior 2c id le 7. Behavior 3 8. ES Disabled 9. ES View c. E S Custom 1. Mode, Gain 2. TCL value 3. Power, Timing 4. DL vector 5. UL vector - 148 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 148
    FM Speaker d. FM Head Phone ii) Tune Test a. User Tendency * ) Device Rom Version i) TCC Rom Version ii) To uch key Rom Version iii) Touch Key Counter iv) ISSP upd ate MMC v) ISSP update vi) Save Touch l evel Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service
  • LG KM710 | Service Manual - Page 149
    Info. 10.6. Factory default : Factory Reset 10.7. New Auto Test 10.8. GSM Band Test 1) GSM ALL BAND 2) GSM 850 3) GSM 900 4) DCS 1800 5) PCS 1900 109. Generate Default DB LGE Internal Use Only - 150 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 150
    11 10 68 9 67 8 66 7 65 6 64 5 63 4 62 3 61 2 60 1 59 58 57 56 55 54 53 52 51 50 49 48 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 151 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 151
    ASS'Y EXPLODED VIEW A B G E H D C F I K M L N J LGE Internal Use Only N M L K J I H G F E D C B A - 152 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 152
    Spec 1 GSM(SLIDE) TGLL0016209 4 MEAY00 ENVELOPE MEAY0000401 PRINTING, (empty), , , , , 3 MCJA00 COVER,BATTERY MCJA0052201 MOLD, PC 63 White White J, 40 Silver Gold I Without Color 33 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 153
    MOLD, POM TX-31, , , , , White 34 5 MCJK00 COVER,FRONT MCJK0079601 MOLD, PC LUPOY SC-1004A, , , , , White 5 MDAG00 DECO,FRONT MDAG0032101 MOLD, POM TX-31, , , , , White 30 5 MFBD00 FILTER,MIKE MFBD0029601 COMPLEX, (empty), , , , , Black 5 MICA00 INSERT,FRONT MICA0023801 CUTTING
  • LG KM710 | Service Manual - Page 154
    Number Spec 4 GMZZ01 SCREW MACHINE GMZZ0021901 3.0 mm,1.5 mm,SWCH18A ,N ,+ ,- , 4 MBFF BRACKET,LCD Remark Black 39 Without Color 17 Without Color 28 Without Color 29 Silver 38 White Without LG Electronics. Inc. All right reserved. Only for training and service purposes - 155
  • LG KM710 | Service Manual - Page 155
    Location Level No. Description Part Number Spec Color 3 ENSY00 CONN,SOCKET ENSY0015401 9 BK , , PCB ASSY,FLEXIBLE,SMT 6 SACD00 TOP SACD0054901 White 7 C100 CAP,CHIP,MAKER ECZH0000813 100 pF,50V ,J © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 156
    No. Description Part Number Spec Color 4 SVLM00 LCD MODULE SVLM0026401 MAIN ,2.0"(240*320) ,36.7*52*1.9 ,262k ,TFT ,TM ,LGDP4532 , 4 SVLM01 LCD MODULE SVLM0026502 Sub ,1.1"(128*128) ,26.3*31.2*1.9 ,262k ,TFT ,TM ,LGDP4513 , 3 SAFY00 PCB ASSY,MAIN SAFY0261101 White 4 SAFB00 PCB ASSY
  • LG KM710 | Service Manual - Page 157
    Level Location No. Description Part Number Spec Color 8 C110 CAP,CERAMIC,CHIP ECCH0004904 White PCB ASSY,MAIN,SMT 5 SAFC00 BOTTOM SAFC0107401 3 V,1 mAh,COIN ,3V, SMT type Backup Batt, 6 BAT700 BATTERY,CELL LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 158
    CAP,CERAMIC,CHIP 6 C145 CAP,CHIP,MAKER Part Number Spec ECZH0003103 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP ,1005 ,R/TP 0.1 uF,10V ,K ,X7R ,HD ,1005 ,R/TP Color Remark Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 159 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 159
    CERAMIC,CHIP 6 C305 CAP,CERAMIC,CHIP Part Number Spec ECZH0003103 ECZH0003103 ECZH0003103 ECZH0003103 ECZH0003103 ECZH0003103 ECCH0000198 ECCH0000198 Color Remark LGE Internal Use Only - 160 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 160
    CHIP 6 C427 CAP,CERAMIC,CHIP Part Number Spec ECCH0000110 ECZH0003103 ECCH0000129 ECZH0003503 ECZH0001215 ECZH0003503 ECZH0003103 X7R,HD,1005,R/TP Color Remark Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 161 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 161
    VIEW & REPLACEMENT PART LIST Level Location No. Description Part Number Spec 6 C428 CAP,CERAMIC,CHIP ECCH0000127 82 pF,50V,J,NP0,TC,1005 1005 ,R/TP Color Remark LGE Internal Use Only - 162 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 162
    ,CHIP,MAKER 6 C628 CAP,CERAMIC,CHIP 6 C630 CAP,CHIP,MAKER Part Number Spec ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP ECCH0000143 1 nF, ,R/TP Color Remark Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 163 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 163
    Location Level No. Description Part Number Spec 6 C631 CAP,CERAMIC,CHIP ECCH0000117 ,ETC , ,3 PIN, 1.9 mm, ETC , ,Battery Connector CONNECTOR,BOARD TO 6 CN800 BOARD ENBY0023901 30 PIN - 164 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 164
    Description Part Number Spec CONNECTOR,BOARD TO 6 .1900 , dB, dB, dB, dB,4532 ,GSM Triple band 6 FL400 FILTER,SEPERATOR SFAY0011302 FEM 6 FL800 FILTER,EMI/POWER SFEY0013201 Remark Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 165 -
  • LG KM710 | Service Manual - Page 165
    12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level No. Description Part Number Spec Color 6 L410 INDUCTOR,CHIP ELCH0004723 1.8 nH,S ,1005 ,R/TP , 6 L411 INDUCTOR,CHIP - 166 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 166
    R407 RES,CHIP,MAKER Part Number Spec ERHZ0000405 ERHZ0000268 ERHY0000128 ERHZ0000405 ERHZ0000402 ERHY0003501 ERHY0003501 TP 120 ohm,1/16W ,J ,1005 ,R/TP Color Remark Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 167 - LGE Internal Use Only
  • LG KM710 | Service Manual - Page 167
    MAKER 6 R529 RES,CHIP,MAKER Part Number Spec ERHY0003301 ERHY0003301 ERHZ0000434 ERHZ0000472 ERHZ0000486 ERHY0000275 ERHY0000275 ERHY0000275 ,1005 ,R/TP Color Remark LGE Internal Use Only - 168 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 168
    6 U202 IC 6 U300 IC Part Number Spec Color Remark ERHZ0000406 100 Kohm,1/16W ,J ,1005 EUSY0266502 PBGA ,143 PIN,R/TP ,Triton, Analog Base Band EUSY0266401 PBGA ,293 PIN,R/TP ,Neptune, E-GPRS-MPU LG Electronics. Inc. All right reserved. Only for training and service purposes - 169 -
  • LG KM710 | Service Manual - Page 169
    VA708 VARISTOR 6 VA709 VARISTOR Part Number Spec Color Remark EUSY0186502 Micropak ,6 PIN,R/ ,42 PIN,R/TP ,Audio CODEC with Class AB,D dual speaker driver, Dual DAC ,; ,IC,Audio Codec EUSY0340301 uMLP ,10 PIN,R/ LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 170
    Location Level No. Description Part Number Spec Color Remark 6 VA802 VARISTOR SEVY0005202 WHITE ,ETC ,R/TP ,SIDEVIEW LED ,; ,[empty empty] ,[empty] ,2P 6 LD701 DIODE,LED,CHIP EDLH0013401 WHITE 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 171
  • LG KM710 | Service Manual - Page 171
    MODULE,ETC MODULE,ETC Part Number Spec ERHZ0000420 ERHZ0000420 ERHZ0000420 ERHZ0000420 ERHZ0000420 ERHZ0000420 DIE / EAN30221132 ,; ,Module Assembly Color Remark LGE Internal Use Only - 172 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
  • LG KM710 | Service Manual - Page 172
    Description BATTERY PACK,LI- 3 SBPP00 POLYMER 3 SGDY00 DATA CABLE 3 SGDY01 DATA CABLE EAR PHONE/EAR MIKE 3 SGEY00 SET 3 SSAD00 ADAPTOR,AC-DC ADAPTOR,AC-DC Part Number Spec Color SBPP0025604 3.7 V,950 mAh,1 CELL,PRISMATIC ,593748 Mexico Label ,; , , , ,PRISMATIC , , ,BLACK , , Black
  • LG KM710 | Service Manual - Page 173
    Note
  • LG KM710 | Service Manual - Page 174
    Note
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Date: May, 2008 / Issue 1.0
Service Manual
Model : KM710c
Service Manual
KM710c
Internal Use Only