LG KG800 Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Cell Phone
  5. Chocolate KG800
  6. Service manual
LG KG800 Service Manual

LG KG800 Service Manual

Hide thumbs Also See for KG800:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
Service Manual
KG800/MG800c
Date: April, 2006 / Issue 1.0

Advertisement

Table of Contents
loading

Related Manuals for LG KG800

Summary of Contents for LG KG800

  • Page 1 Service Manual KG800/MG800c Date: April, 2006 / Issue 1.0...

  • Page 2: Table Of Contents

    Table Of Contents 1. INTRODUCTION .......5 4.13 Microphone Trouble ......94 4.14 RTC Trouble ........96 1.1 Purpose ..........5 4.15 Navigation KEY Problem .....98 1.2 Regulatory Information......5 1.3 Abbreviations .......... 7 5. DOWNLOAD........100 2. PERFORMANCE.......9 6. BLOCK DIAGRAM ......106 2.1 H/W Features...........9 2.2 Technical Specification ......10 7.
  • 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: Abbreviations

    1. INTRODUCTION 1.3 Abbreviations For the purposes of this manual, following abbreviations apply: Automatic Power Control Baseband Bit Error Ratio CC-CV Constant Current - Constant Voltage Digital to Analog Converter Digital Communication System dB relative to 1 milli watt Digital Signal Processing EEPROM Electrical Erasable Programmable Read-Only Memory Electrostatic Discharge...
  • Page 7 1. INTRODUCTION Power Amplifier Module Printed Circuit Board Programmable Gain Amplifier Phase Locked Loop PSTN Public Switched Telephone Network Radio Frequency Receiving Loudness Rating Root Mean Square Real Time Clock Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM...

  • Page 8: Performance

    2. PERFORMANCE 2. PERFORMANCE 2.1 H/W Features Item Feature Comment Li-Poly, 800mAh × 60(H) × 4.6(T) [mm] Standard Battery Battery Size : 40 (W) Battery Weight : TBD Under the minimum current consumption environment Stand by Current (such as paging period 9), the level of standby current is below 4mA.

  • Page 9: Technical Specification

    2. PERFORMANCE 2.2 Technical Specification Item Description Specification EGSM TX: 890 + (n-1024) x 0.2 MHz RX: 935 + (n-1024) x 0.2 MHz (n=975~1024) Frequency Band TX: 1710 + (n-512) x 0.2 MHz RX: 1805 + (n-512) x 0.2 MHz (n=512~885) TX: 1810 + (n-512) x 0.2 MHz RX: 1905 + (n-512) x 0.2 MHz (n=512~885) RMS <...
  • Page 10 2. PERFORMANCE Item Description Specification GSM, EGSM Offset from Carrier (kHz). Max. dBc +0.5 600~ <1,200 1,200~ <1,800 1,800~ <3,000 3,000~ <6,000 Output RF Spectrum 6,000 (due to modulation) DCS, PCS Offset from Carrier (kHz). Max. dBc +0.5 600~ <1,200 1,200~ <1,800 1,800~ <3,000 3,000~ <6,000...
  • Page 11 2. PERFORMANCE Item Description Specification DCS, PCS Offset from Carrier (kHz). Max. (dBm) Output RF Spectrum (due to switching transient) 1,200 1,800 Spurious Emissions Conduction, Emission Status GSM, EGSM BER (Class II) < 2.439% @-102 dBm Bit Error Ratio DCS, PCS BER (Class II) <...
  • Page 12 2. PERFORMANCE Item Description Specification STMR 13 5 dB Stability Margin > 6 dB dB to ARL (dB) Level Ratio (dB) 17.5 22.5 30.7 Distortion 33.3 33.7 31.7 25.5 Side Tone Distortion Three stage distortion < 10% System frequency 2.5ppm (13 MHz) tolerance 32.768KHz tolerance 30ppm...
  • Page 13 2. PERFORMANCE Item Description Specification Forced shut down Voltage 3.35 0.03 V 1 Li-Poly Battery Standard Voltage = 3.7 V Battery Type Battery full charge voltage = 4.2 V Capacity: 800mAh Switching-mode charger Travel Charger Input: 100 ~ 240 V, 50/60 Hz Output: 4.8 V, 900 mA - 14 -...

  • Page 14: Technical Brief

    3. TECHNICAL BRIEF 3. TECHNICAL BRIEF 3.1 Power Transceiver (SKY74400, U401) The RF parts consist of a transmitter part, a receiver part, a frequency synthesizer part, a voltage supply part, and a VCTCXO part. The SKY74400 power transceiver is a highly integrated device for quad-band Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), and Enhanced Data for GSM Evolution (EDGE) handsets.
  • Page 15 3. TECHNICAL BRIEF Figure. 3-1 SKY74400 FUNCTIONAL BLOCK DIAGRAM - 16 -...
  • Page 16 3. TECHNICAL BRIEF (1) Receiver Part A. LNA and Quadrature Demodulator Four separate LNAs are integrated in the SKY74400 to address different bands of operation. These LNAs have separate singleended 50 Ω inputs. The LNA gain is switchable between high and low settings using the three-wire bus.
  • Page 17 3. TECHNICAL BRIEF D. Flexible Receiver Bandwidth Control The receive baseband filters have programmable bandwidths with eight possible settings. (2) Synthesizer Section The SKY74400 includes a fully integrated UHF VCO and 3rd order loop filter. A single sigma-delta fractional-N synthesizer phaselocks the Local Oscillator (LO) used in both transmit and receive paths to a precision frequency reference input.
  • Page 18 3. TECHNICAL BRIEF This speeds up frequency settling and ensures that the PLL control voltage never operates close to the rails. DFC is the result of an adaptive circuit that corrects for any VCO center frequency errors caused by variations of the integrated VCO circuit such as temperature, supply voltage, or aging. The VCO can be centered at any frequency in the range from 990 MHz to 1550 MHz.
  • Page 19 3. TECHNICAL BRIEF Figure. 3-2 Crystal Oscillator BLOCK DIAGRAM (3) Transmitter Part To minimize the post-PA filtering requirements and any additional post-power amp losses, the transmit path consists of a vector modulator and a frequency translation loop. The translation loop consists of the following: •...
  • Page 20 3. TECHNICAL BRIEF C. Power Amplifier (PA) The PA functionality of the SKY74400 consists of separate GSM850/EGSM900 and DCS1800/PCS1900 blocks, impedancematching circuitry for 50 Ω output impedances, and a PAC block with an internal currentsense resistor. The custom BiCMOS integrated circuit provides the internal PAC function and interface circuitry.

  • Page 21: 13 Mhz Clock

    3. TECHNICAL BRIEF 3.2 13 MHz Clock (VCTCXO, X400) The 13 MHz clock(X400) consists of a TCXO(Temperature Compensated Crystal Oscillator) which oscillates at a frequency of 13 MHz. It is used within the SKY74400, analog base band chipset (U100, AD6535), digital base band chipset (U101, AD6527B). 2V75_VVCXO C405 1000p...
  • Page 22 3. TECHNICAL BRIEF LMSP54LA-445TEMP FL400 ANT_SW3 GSM1900_RX ANT_SW2 GSM1800_RX ANT_SW1 GSM900_RX C414 C415 C416 GND7 GND6 GND5 GND4 GSM18001900_TX GND3 GSM900_TX GND2 GND1 Figure 3-4 FEM CIRCUIT DIAGRAM - 23 -...

  • Page 23: Digital Main Processor

    3. TECHNICAL BRIEF 3.4 Digital Main Processor (AD6527B, U101) Figure 3-5. SYSTEM INTERCONECTION OF AD6527 EXTERNAL INTERFACE - 24 -...
  • Page 24 3. TECHNICAL BRIEF • AD6527 is an ADI designed processor. • AD6527 consists of 1. Control Processor Subsystem • 32-bit ARM7TDMI Control Processor • 58.5 MHz operation at 1.7V • On-board 16KB instruction/Data Cache • 1 Mbits of on-chip System SRAM 2.
  • Page 25 3. TECHNICAL BRIEF 3.4.1 Interconnection with external devices A. RTC block interface Countered by external X-TAL The X-TAL oscillates 32.768KHz B. LCD module interface The LCD module is controlled by AD6527B(U101),DBB. In operating mode, the AD6527B(U103) controls the LCD module through _LCD_CS, LCD_DIM_CTRL, LCD_RESET, _WR, 2V8_VMEM, LCD_ID, LCD_BL_EN.
  • Page 26 3. TECHNICAL BRIEF The backlight of LCD module is controlled by DBB via AAT2806IXN-4.5-T1 , U402. The control signals related to Backlight LED are given bellow. Signals Description LCD_DIM_CTL Control LCD backlight level in 16 steps (GPO 5) LCD_LED_CTL Control LCD LED LCD_LED_GND LCD_BL_EN It controls back-light of LCD module.(GPO_23)
  • Page 27 3. TECHNICAL BRIEF D. SIM interface The AD6527B provides SIM Interface Module. The AD6527 checks status periodically during established call mode whether SIM card is inserted or not, but it doesn't check during deep Sleep mode. In order to communicate with SIM card, 3 signals SIM_DATA, SIM_CLK, are required. The descriptions about the signals are given by bellow Table 3-6 in detail.
  • Page 28 3. TECHNICAL BRIEF 3.4.2 AD6527B Architecture Figure 3-7. AD6527B Architecture The internal architecture of AD6527B is shown above Figure 3-7. AD6527 regroups three main subsystems connected together through a dynamic and flexible communication bus network. It also includes onboard system RAM (SRAM) and interfaces with external Flash Memory, Baseband converter functions, and terminal functions like MMI, SIM and Universal System Connector (USC).

  • Page 29: Analog Main & Power Management Processor

    3. TECHNICAL BRIEF 3.5 Analog Main & Power Management Processor (AD6535, U100) Figure 3-8. AD6535 FUNCTIONAL BLOCK DIAGRAM - 30 -...
  • Page 30 3. TECHNICAL BRIEF • AD6535 is an ADI designed Analog Baseband processor. AD6535 covers the processing GMSK modulation interface, Aux ADC, Voice signal processing and Power Management. • AD6535 consists of 1. BB Transmit section • GMSK Modulation • I-channel & Q-channel Transmit DACs and Filters •...
  • Page 31 3. TECHNICAL BRIEF 3.5.1 Baseband Transmit Section 1. The AD6537B Baseband Transmit Section is designed to support GMSK for both single-slot and multi-slot application. 2. The AD6535 includes a digital GMSK modulator which is used for GSM application. The GMSK modulator uses a ROM lookup table to modulate the serial data stream ffrom the BSPORT.
  • Page 32 3. TECHNICAL BRIEF 3.5.3 Auxiliary Section 1. This section includes an Automatic Frequency Control(AFC) DAC, voltage reference buffers, an Auxiliary ADC, and light controllers. • AFC DAC: 13 bits 2. This section also contains AUX ADC and Voltage Reference • IDAC: 10 bits •...
  • Page 33 3. TECHNICAL BRIEF 3.5.4 Audio Section 1. The AD6535 Audio section supports communications and personal audio applications. 2. The Audio Section provides an audio codec with two digital-to-analog converter, a ring tone volume controller, a microphone interface, and analog input and output channels. Figure 3-12.

  • Page 34: Power Management

    3. TECHNICAL BRIEF 3.5.5 Power Management Figure 3-13. AD6535 POWER MANAGEMENT SECTION 1. Power up sequence logic 1. The AD6535 controls power on sequence 2. Power on sequence - If a battery is inserted, the battery powers the 8 LDOs. - Then if PWRONKEY is detected, the LDOs output turn on.
  • Page 35 3. TECHNICAL BRIEF Figure 3-14. AD6535 POWER MODE LOGIC 2. LDO Block 1. There are 8 LDOs in the AD6535. - VCORE : supplies Digital baseband Processor core and AD6535 digital core - VMEM : supplies external memory and the interface to the external memory on the digital baseband processor (1,8V or 2.8V, 150mA) - VEXT : supplies Radio digital interface and high voltage interface (2.8V, 170mA)

  • Page 36: Charging Ic

    3. TECHNICAL BRIEF 3.6 Charging IC (ISL6299, KEY PCB U201) VUSBIN VCHARGE VBAT 2V8_VMEM CRDL C216 R208 R209 U201 CUR_MON IMIN _PPR _CHG CHG_STAT ICDL USBON CHG_EN PGND R212 ISL6299 R210 R213 C217 C218 R211 (1%) 100K 100K Figure 3-15. CIRCUIT FOR BATTERY CHARGING The ISL6299 is designed for a single-cell Li-ion or Li-polymer battery charging circuit that accepts both a USB port and a desktop cradle as its power source.
  • Page 37 3. TECHNICAL BRIEF Figure 3-15. BLOCKDIAGRAM Cradle Charge Current The cradle charge current is enabled by the EN pin only, the USBON pin has no control on the cradle charge current. The cradle charge current is programmed with the external resistor connected between the ICDL pin and the GND pin.
  • Page 38 3. TECHNICAL BRIEF Trickle Charge Current When the battery voltage is below the minimum battery voltage VMIN given in the electrical specification, the charger operates in a trickle/preconditioning mode, where the charge current is typically 14% of the programmed charge current for the cradle input. If power comes from the USB input, the trickle mode current is approximately 53mA.

  • Page 39: Camera Ic

    3. TECHNICAL BRIEF 3.7 CAMERA IC(AIT811, MAIN ,U202) Figure 3-15. AIT811 APPLICATION BLOCKDIAGRAM - 40 -...
  • Page 40 3. TECHNICAL BRIEF 2V8_MV 1V8_MV 2V8_AMV C200 C201 C202 C203 C204 C205 3V3_MULTI_USB MULTI_USB- PUSBDN C211 MULTI_USB+ PUSBDP PGPIO25 N_IO(2) VDD_IO3 PGPIO24 N_IO(1) GND_IO3 PGPIO23 N_IO(0) _PHCS PGPIO22 _N_WP _LCD_CS C212 _PHRD PGPIO21 _N_WE _PHWE PGPIO20 N_ALE _PRST PGPIO19 N_CLE PGPIO18 _NAND_CS DATA00...

  • Page 41: Midi Ic

    3. TECHNICAL BRIEF 3.8 MIDI IC(YMU787,U300) Figure 3-24. YMU787 BLOCKDIAGRAM - 42 -...
  • Page 42 3. TECHNICAL BRIEF 100p C300 R301 R300 C301 1000p R305 R307 0.01u 3.3K C304 TP300 _MIDI_RST _RST 1000p SPK_N 13MHz CLKI SPOUT2L C307 C310 470p I2S_SCK BLCK SPOUT1L C311 C312 R311 I2S_WS LRCK SPOUT2R SPK_P I2S_SDO SPOUT1R U300 GPIO0 YMU787 TXOUT GPIO1 EXTOUT...
  • Page 43 3. TECHNICAL BRIEF CONTROL REGISTER;ROM/SRAM The Control register and ROM/SRAM are accessed from”Instantaneous write register”,”Delayed write register”, and “Instantaneous read register”in the intermediate register. In the control register, there is a register to control the following synthesizer mainly. The voice parameter for FM(GM 128 voices+DRUM 40 voices)and wave data for WT are stored in ROM.
  • Page 44 3. TECHNICAL BRIEF LED,VIBRATOR CONTROL It is possible to synchronize an LED and vibrator with a play, and to control. Asynchronous control With a play is also supported. It supports 3 color LED control and it is possible to display 7 colors In maximum.

  • Page 45: Keypad Switches And Scanning

    3. TECHNICAL BRIEF 3.9 Keypad Switches and Scanning VOLUME DOWN NUMERIC KEY MATRIX CN101 CN102 KEY_ROW0 KEY_ROW1 VBAT SW101 SW102 SW103 KEY_ROW2 KEY_ROW3 R102 SW104 SW105 SW106 POWERKEY R103 SW107 SW108 SW109 KEY_ROW4 KEY_COL0 KEY_COL1 KEY_COL2 SW110 SW111 SW112 VA101 VA102 VA103 Figure 3-27.

  • Page 46: Microphone

    3. TECHNICAL BRIEF 3.10 Microphone The microphone is placed to the rear cover and contacted to top of Key PCB. The audio signal is passed to AIN1P and AININ pins of AD6535. The voltage supply VMIC is output from AD6535, and is a biased voltage for the AIN2P.

  • Page 47: Io Interface

    3. TECHNICAL BRIEF 3.12 IO Interface LG-KG90 has only one I/O interface, 18pin MMI Connector, which is connected with Charger, Ear-Mic and USB cable. U310 is Quad Analog Switch, it change signal paths depend on connecting what. 2V8_VEXT 2V8_VEXT 2V8_VEXT...

  • Page 48: El Driver Ic

    3. TECHNICAL BRIEF 3.13 EL DRIVER IC (D381B, KEY PCB U202) EL DRIVER IC VBAT C223 EL PAD U202 D381B N_CLE N_ALE R214 EL_KEY_BACKLIGHT VOUT L201 820uH C224 C226 C225 2200p 6800p 1608 ZD201 KDZ100VW R215 EL OFF 2012 1/4W HIGH EL ON Figure 3-30.

  • Page 49: Memory

    3. TECHNICAL BRIEF 3.14 MEMORY(TOSHIBA, U203) TV00578003AABD U203 ADD01 DATA00 ADD02 DATA01 ADD03 DATA02 ADD04 DATA03 ADD05 DATA04 ADD06 DATA05 ADD07 DATA06 ADD08 DATA07 ADD09 DATA08 DATA09 ADD10 ADD11 DATA10 DQ10 ADD12 DQ11 DATA11 2V8_VMEM 2V8_VMEM ADD13 DQ12 DATA12 ADD14 DQ13 DATA13 ADD15...

  • Page 50: Bluetooth

    3. TECHNICAL BRIEF 3.15 BLUETOOTH(LBMA-2C67B2, KEY PCB, M101) (BT ANT -> TRANSFER TO FETCH ANT) ANT1 GND1 R101 3.3nH C101 C102 ( 903015 ) 2V8_VBT M101 LBMA-2C67B2 _BT_RST RESETB VDD_1_8V CLOSED TO BT MODULE L101 22nH VDD_DIG C103 VDD_VREGIN C104 PIO0 C105 C106...

  • Page 51: Lcd Backlight, Flash Led Charge Pump

    3. TECHNICAL BRIEF 3.16 LCD BACKLIGHT, FLASH LED CHARGE PUMP (AAT2807AIXN-4.5-T1, SLIDE PCB U100) C101 C100 C102 VBAT FB100 VOUT_FL FLASH_LED C103 FB101 VOUT_BL MLED PGND R109 1.5K C_FLASH EN_FLSH ISINK1 MLED1 R102 330 ISINK2 MLED2 LCD_DIM_CTRL EN_SET ISINK3 MLED3 U100 C105 C106...

  • Page 52: Slide Switch (U205)

    3. TECHNICAL BRIEF 3.17 SLIDE SWITCH (U205) SLIDE 2V8_VEXT R211 SLIDE VDD 1 U205 C230 A3212EELLT-T 0.1u C231 - 53 -...

  • Page 53: Vibrator

    3. TECHNICAL BRIEF 3.18 VIBRATOR The vibrator is placed in the Slide upper and contacted to SLIDE PCB. The vibrator is driven from VIBRATOR from AD6527B. VBAT VBAT R203 R204 R205 R206 Q201 EMZ2 VIBRATOR R207 D201 1SS352-TPH3_F R208 27nH C208 OUT203 4.7u...

  • Page 54: Multimedia Mic

    3. TECHNICAL BRIEF 3.19 MULTIMEDIA MIC(OSF213,SLIDE PCB MIC100) 2V8_VMEM 2V5_MULTI_VMIC U101 BH25FB1WHFV MIC_PATH_SEL STBY BGND VOUT C117 C118 0.1u 0.1u 2V5_MULTI_VMIC R103 R104 C110 C111 2.2K R105 MULTI_MIC_P MIC100 C112 OSF213-42DC MULTI_MIC_N C113 C114 R106 VA100 VA101 EVL5M02200 EVL5M02200 2.2K Figure 3-32.

  • Page 55: Troubleshooting

    4. TROUBLESHOOTING 4. TROUBLESHOOTING 4.1 RX Trouble TEST POINT SKY74400 13Mhz OSCILLATOR Figure 4-1(a) - 56 -...
  • Page 56 4. TROUBLESHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check RX IQ Redownload SW or Do calibration again - 57 -...
  • Page 57 4. TROUBLESHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow R404 VCTCXO Circuit is OK VCTCXO Circuit is OK 13 MHzO.K? Check Pin 3. See next Page to check See next Page to check Refer to Graph 4-1(b) ANT SW & Mobile SW ANT SW &...
  • Page 58 4. TROUBLESHOOTING (2) Checking FEM & Mobile SW TEST POINT C414 C415 C416 Figure 4-5 CIRCUIT LMSP54LA-445TEMP FL400 ANT_SW3 GSM1900_RX ANT_SW2 GSM1800_RX ANT_SW1 GSM900_RX C414 C415 C416 GND7 GND6 GND5 GND4 GSM18001900_TX GND3 GSM900_TX GND2 GND1 Waveform FEM Control GSM& DCS FEM Control PCS Graph 4-3(a) Graph 4-3(b)
  • Page 59 4. TROUBLESHOOTING Checking Flow For these 2 test case, No Call connection is needed Check SW500 Pin ANT,RF Changing SW601 Open with RF Cable connected. Check SW601 Pin ANT,RF Short Changing SW601 with No RF Cable Connected Check C616,C617,C618 VC1 :Low or HIGH Changing the Board.
  • Page 60 4. TROUBLESHOOTING (4) Checking RX IQ TEST POINT CIRCUIT VBAT C409 C410 C411 C412 VBAT 0.1u VCC3 C413 I+_TX_I+ I-_TX_I- Q-_TX_Q- Q+_TX_Q+ C417 VCC1 C418 C419 C420 0.1u PED_SELECT ENABLE C413 C417 VAPC BAND SELECT Waveform Graph 4-4 Checking Flow Check C619,C620.

  • Page 61: Tx Trouble

    4. TROUBLESHOOTING 4.2 TX Trouble TEST POINT 13Mhz OSCILLATOR SKY74400 Figure 4-2 - 62 -...
  • Page 62 4. TROUBLESHOOTING Checking Flow START HP8960 : Test mode 62 CH, 7 level setting (TCH) 62CH, -60dBm setting (BCCH) Spectrum analyzer setting Oscilloscope setting Check VCTCXO Check FEM & Mobile SW Check SIGNAL Check TX IQ Redownload SW or Do calibration again - 63 -...
  • Page 63 4. TROUBLESHOOTING (1) Checking VCTCXO Circuit TEST POINT Checking Flow R404 VCTCXO Circuit is OK VCTCXO Circuit is OK 13 MHzO.K? Check Pin 3. See next Page to check See next Page to check Refer to Graph 4 -1(b) ANT SW & Mobile SW ANT SW &...
  • Page 64 4. TROUBLESHOOTING (3) Checking Ant SW & Mobile SW TEST POINT C414 C415 C416 Figure 4-5 CIRCUIT LMSP54LA-445TEMP FL400 ANT_SW3 GSM1900_RX ANT_SW2 GSM1800_RX ANT_SW1 GSM900_RX C414 C415 C416 GND7 GND6 GND5 GND4 GSM18001900_TX GND3 GSM900_TX GND2 GND1 Waveform VC1 LOW VC1 LOW VC2 LOW VC2 HIGH...
  • Page 65 4. TROUBLESHOOTING Checking Flow For the test, TX Stand alone Mode is needed. (PL=7 for GSM, PL=2 for DCS) Check C616,C617,C618 Check whether FEM Changing board Check VC1, VC2, VC3 Set as TX mode Rrefer to Graph4-6(a), 4-6(b) Rrefer to Table 4-3 Check RF Level of Pin10 : ~29.5dBm Go to 4.3.5 Checking PAM...
  • Page 66 4. TROUBLESHOOTING (4) Checking PAM Control Signal TEST POINT CIRCUIT S_DATA S_EN S_CLK SYNTH_EN RF_PWR_DWN VBAT C409 C410 C411 C412 VBAT 0.1u VCC3 C426 Waveform Graph 4-7 Checking Flow Check TX_RAMP and PA_EN Check if there is Check if there is Similar? Similar? Similar?
  • Page 67 4. TROUBLESHOOTING (6) Checking TX IQ TEST POINT Waveform Graph 4-8 CIRCUIT VBAT C409 C410 C411 C412 VBAT 0.1u VCC3 C413 I+_TX_I+ I-_TX_I- Q-_TX_Q- Q+_TX_Q+ C417 VCC1 C418 C419 C420 PED_SELECT 0.1u ENABLE VAPC BAND_SELECT Checking Flow Check if there is Any Major Difference Replace U602 Similar?

  • Page 68: Power On Trouble

    4. TROUBLESHOOTING 4.3 Power On Trouble TEST POINT VCORE VSIM VRTC VMEM enlargement VABB VVCXO VEXT CIRCUIT VBACKUP C113 VCORE1 VCORE2 C114 VMEM1 VMEM2 C115 0.1u U100 VRTC C116 VSIM C117 2.2u VABB C118 VMIC AD6535 C119 VVCXO C121 VUSB C122 VEXT1 VEXT2...
  • Page 69 4. TROUBLESHOOTING Checking Flow START Check Battery Voltage Charge or Change Battery > 3.35V ? Push power-on key Check the contact of power key And check the level change Or dome-switch of PWRKEY Check the voltage of Replace U100 The LDO outputs at U100 VCORE=1.8V VVCXO=2.75V VMEM=2.8V...

  • Page 70: Charging Trouble

    4. TROUBLESHOOTING 4.4 Charging Trouble TEST POINT Pin 18 Pin 1 CN300 enlargement U201 CN203 CN500 CIRCUIT CHARGING IC VUSBIN VCHARGE VBAT 2V8_VMEM CRDL C216 R208 R209 U201 CUR_MON IMIN _PPR _CHG CHG_STAT ICDL USBON CHG_EN PGND R212 ISL6299 R210 R213 C217 C218...
  • Page 71 4. TROUBLESHOOTING Checking Flow START Resolder the CN300 MMI Connector (MAIN PCB,CN300) Pin 12,13 : VCHARGE Is well-soldered ? Pin1,18: GND 60pin connector (MAIN PCB,CN500) Resolder the CN500 Is well-soldered ? 30pin connector (KEY PCB,CN203) Resolder the CN203 Is well-soldered ? Resolder the KEY PCB U201 are U201...

  • Page 72: Vibrator Trouble

    4. TROUBLESHOOTING 4.5 Vibrator Trouble TEST POINT CIRCUIT VBAT VBAT R203 R204 R205 R206 Q201 EMZ2 VIBRATOR R207 D201 1SS352-TPH3_F R208 27nH C208 OUT203 4.7u OUT204 R209 27nH C209 - 73 -...
  • Page 73 4. TROUBLESHOOTING Checking Flow SETTING : Enter the engineering mode, and set vibrator on at vibration of BB test menu START Replace DBB Is the voltage at R106 at MAIN PCB near 0.7V? Is the voltage at pin 6 Replace Q401 of Q401 near VBAT-0.7V? Resolder vibrator.

  • Page 74: Lcd Trouble

    4. TROUBLESHOOTING 4.6 LCD Trouble TEST POINT CN100 : LCD CONNECTOR FL101~104 U103 C122 FL101~F104:LCD DATA LINE EMI FILTER ( Check the these EMI FILTER if LCD data is something to strange) - 75 -...
  • Page 75 4. TROUBLESHOOTING CIRCUIT DIAGRAM - IF CONNECTOR 2V8_VLCD 2V8_VLCD 2V8_VLCD CN100 R100 LCD_RESET IF_MODE (IF_MODE) VSYNCOUT R101 L_MAIN_LCD_CS LCD_RS LCD_WR (LCD_RD=íHí) L_DATA00 INOUT_A1 INOUT_B1 L_DATA01 INOUT_A2 INOUT_B2 L_DATA02 INOUT_A3 INOUT_B3 L_DATA03 INOUT_A4 INOUT_B4 FL101 ICVE10094E300FR L_DATA04 INOUT_A1 INOUT_B1 L_DATA05 INOUT_A2 INOUT_B2 L_DATA06 INOUT_A3...
  • Page 76 4. TROUBLESHOOTING Checking Flow START Voltage the pin 9 of U103 Re-solder U103 Is 2.8V? Check the All Connectors Reconnect At Main, Slide PCB All Connectors Paths of LCD control Re-solder signals are OK? the EMI filter FPCB is OK? Replace the FPCB The board is broken.

  • Page 77: Bt Trouble

    4. TROUBLESHOOTING 4.7 BT Trouble TEST POINT BT_EN _BT_RST CIRCUIT DIAGRAM BLUETOOTH (BT ANT -> TRANSFER TO FETCH ANT) ANT1 GND1 R101 3.3nH 2V8_VMEM C101 C102 ( 903015 ) 2V8_VBT M101 LBMA-2C67B2 C334 _BT_RST RESETB VDD_1_8V CLOSED TO BT MODULE L101 22nH 0.1u...
  • Page 78 4. TROUBLESHOOTING Checking Flow Is BT_RST signal shape similar Replace U103 to Fig.1 during Powering on Bluetooth 2V8_VBT at C314=2.8V Replace U103 BT_EN at R344=2.8V Bluetooth Power off Replace U102 Is DEBUG_TX signal similar to Replace U103 Fig.2 during Powering on Bluetooth? Is DEBUG_RX signal similar to Replace M101 Fig.2 during Powering on Bluetooth?
  • Page 79 4. TROUBLESHOOTING Figure 1_Blue-RST Figure 2_DEBUG_TX, RX Figure 3_PCM_SYNCS, TX, RX, USC0 - 80 -...

  • Page 80: Speaker Trouble

    4. TROUBLESHOOTING 4.8 Speaker Trouble TEST POINT U300 U305 - 81 -...

  • Page 81: Main Pcb

    4. TROUBLESHOOTING CIRCUIT DIAGRAM VBAT U305 MAX4684EBC_T SPK_N SPOUT2L C310 470p SPK_P SPK_RCV_SEL SPOUT1L SPK_N C311 C312 R311 SPOUT2R RCV_P COM1 SPK_RCV_P SPK_P SPOUT1R RCV_N COM2 SPK_RCV_N C335 TXOUT EXTOUT MAIN PCB L201 68nH OUT201 SPK_RCV_P C201 L202 68nH OUT202 SPK_RCV_N C202 C203...
  • Page 82 4. TROUBLESHOOTING Checking Flow START Check Soldering of speaker Re-solder Speaker L201,L202,C201,C202 Re-solder L201,L202,C201,C202 at Slide PCB are Well- soldered? Check Re-solder U300 U300 works properly Speaker Change main board Works properly? Speaker working! - 83 -...

  • Page 83: Sim Card Interface Trouble

    4. TROUBLESHOOTING 4.9 SIM Card Interface Trouble TEST POINT Pin 1 CIRCUIT DIAGRAM 2V85_VSIM 2V85_VSIM J201 R202 SIM_RST SIM_DATA SIM_CLK GND2 GND1 VA202 VA201 C209 C210 C204 EVLC18S02003 EVLC18S02003 1000p 220n - 84 -...
  • Page 84 4. TROUBLESHOOTING Checking Flow START Change the SIM Card. Our phone Does the SIM cards supports only 3V SIM card. supports 3V ? Voltage Replace J201 or Voltage at pin1 of at VSIM of U101 check soldering of components J201 is 2.85V? Is 2.85V? Change the SIM Card Redownload SW.

  • Page 85: Earphone Trouble

    4. TROUBLESHOOTING 4.10 Earphone Trouble TEST POINT - 86 -...
  • Page 86 4. TROUBLESHOOTING CIRCUIT DIAGRAM 2V8_VEXT 2V8_VEXT 2V8_VEXT 2V8_VEXT 2V6_JACK U402 MAX4764EBC+T U307 USC4 HEADSET_EN U308 DG3000DB USC5 VOUT JACK_LDO_EN EAR_MIC COM1 R303 C336 COM2 HOOK_DETECT R315 4.7K C339 BYPASS JACK_LDO_EN C338 0.01u C342 C303 LP3985IBLX-2.8 0.1u C340 2V6_JACK C313 220u HEADSET_SPK_L VCHARGE C314...
  • Page 87 4. TROUBLESHOOTING Checking Flow START Resolder CN201 Does the audio Level at profile of the phone JACK_DETECT signal Replace CN201 change to the is low earphone mode? Set the audio part of the test equipment to Set the audio part of the test Change the earphone PRBS or continuous Equipment to echo mode...

  • Page 88: El Trouble

    4. TROUBLESHOOTING 4.11 EL Trouble TEST POINT L201 U202 CIRCUIT DIAGRAM VBAT C223 EL PAD U202 D381B N_CLE N_ALE R214 EL_KEY_BACKLIGHT VOUT L201 820uH C224 C226 C225 2200p 6800p 1608 ZD201 R215 KDZ100VW EL OFF 2012 1/4W HIGH EL ON - 89 -...
  • Page 89 4. TROUBLESHOOTING Checking Flow START EL sheet is torn ? Replace EL sheet R214 at KEY PCB Resolder R214 is well-soldered? Voltage of R214 is high? Replace U103 Does The wave form pin 6 of U202 Replace U700 at KEY PCB similar picture 1-1? EL sheet will work properly.

  • Page 90: Receiver Trouble

    4. TROUBLESHOOTING 4.12 Receiver Trouble TEST POINT C118 C138 U100 U305 - 91 -...
  • Page 91 4. TROUBLESHOOTING Checking Flow Receiver path to SPK&RCV on Slide PCB via FPCB R110 AOUT1P RCV_P C138 AOUT1N AOUT2P1 R111 AOUT2P2 RCV_N AOUT2N1 AOUT2N2 AOUT3L AUX_OUT_L C140 C141 AOUT3R AUX_OUT_R C142 C143 VBAT U305 MAX4684EBC_T SPK_P SPK_RCV_SEL SPK_N RCV_P COM1 SPK_RCV_P RCV_N COM2...
  • Page 92 4. TROUBLESHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode Set the property of audio as PRBS or continuous wave. Set the receiving volume of mobile as Max. START Check the state of Resolder receiver soldering of receiver R110,R111 Resolder R110,R111 Are well-solederd?

  • Page 93: Microphone Trouble

    4. TROUBLESHOOTING 4.13 Microphone Trouble TEST POINT CIRCUIT DIAGRAM AIN3L AIN3R AIN2P AUXIP U100 AIN2N AUXIN AIN1P VINNORP AIN1N VINNORN NC_R12 C133 C134 CLOSE TO AD6535B 2V5_VMIC R201 C201 R204 C202 2.2K R205 VINNORP MIC201 C212 C211 R206 C213 SMA-568-0C-R2 VINNORN 0.1u R207...
  • Page 94 4. TROUBLESHOOTING Checking Flow SETTING : After initialize Agilent 8960, Test EGSM, DCS mode START Voltage VMIC of U100 Voltage across C118 at MAIN PCB Replace U100 = DC 2.5V? = DC 2.5V ? Check the signal Level at each side Replace microphone of MIC.

  • Page 95: Rtc Trouble

    4. TROUBLESHOOTING 4.14 RTC Trouble TEST POINT C115 R105 CIRCUIT DIAGRAM NGPCS1 _MIDI_CS NAUXCS1 _LCD_CS GPIO_42_NMAIN_LCD_CS TOUCH_EN GPIO_43_NSUB_LCD_CS C129 1000p X100 13MHz CLKIN C128 CLKON CLKON OSCOUT OSCIN R105 PWRON PWRON _RESET NRESET MC-146_7pF C130 32.768KHz CHG_EN GPIO_0_IRDA_TX VUSB CHG_STAT GPIO_1_IRDA_RX BT_EN GPIO_2_NIRDA_EN...
  • Page 96 4. TROUBLESHOOTING Checking Flow START Is the voltage level of BA201 Charge or change BA201. > 1.2V ? Check the voltage at Resolder R105 or 1,4 of X100 Replace X100 Change main board - 97 -...

  • Page 97: Navigation Key Problem

    4. TROUBLESHOOTING 4.15 Navigation KEY Problem TEST POINT U1000 R1003 R1002 R1001 CIRCUIT DIAGRAM 3V3_VTOUCH C1002 2.2u 3V3_VTOUCH VBAT CN1000 P0_1 P0_0 SENSE4 P2_7 P2_6 SENSE2 P2_5 U1000 P2_4 R1001 R1002 TOUCH_CLK TOUCH_DAT P1000 P2_3 CY8C21434 P2_2 SENSE0 R1003 P1001 P2_1 P2_0 TOUCH_INT...
  • Page 98 4. TROUBLESHOOTING Checking Flow START Re-attach Touch PCB Is Touch PCB glued on on Upper case upper case well? Re-solder & Re-Connect Check Connector? CN1000 Replace U1000 on touch PCB Navigation Key will work properly. TOUCH_DAT TOUCH_CLK TOUCH_INT Figure 1-1 Figure 1-2 - 99 -...

  • Page 99: Download

    5. DOWNLOAD 5. DOWNLOAD 1. H/W Tool Setup 1) PIF Jig No Battery I/O Cable RS 232 Power Supply Connect Cable (4.2V) [Switch mode] 2)D/L Cable D/L Cable [Insert! Battery] D/L Cable [No Battery] - 100 -...
  • Page 100 5. DOWNLOAD 2. Install & Directory structure 1) Copy! GSMULTI D/L Program in local Disk(C:) -Folder name : Only “GSMULTI” -This program and Dll file and SW is on GCSC Website 2) Registry of GSMULTI Program -Execute by double click : 3)After Install Directory structure - 101 -...
  • Page 101 5. DOWNLOAD 3.Configuration setting 1) Choose DLL Copy! KG800 DLL File in DLL folder MG800c DLL File in DLL folder - Path of Dll folder : Local(C:) → GSMULTI Folder → Dll Folder - Dll file is on GCSC Website...
  • Page 102 5. DOWNLOAD 2)Choose SW Copy! KG800 SW in SW folder MG800c SW in SW folder - Path of SW folder : Local(C:) → GSMULTI Folder →SW Folder - SW is on GCSC Website Click Click One more" " Click - 103 -...
  • Page 103 5. DOWNLOAD 3)Choose Loader & Baud - Loader file is in GSMULTI Folder (Path:Local(C:) → GSMULTI Folder) Default setting value Only baud rate is 460,800 ( HighUart pro. Should be Setup, In case HighUart pro is not set up, Don't use Don't use plz set baud rate as 112,000 ) 4) Others Setting...
  • Page 104 5. DOWNLOAD 4.Download sequence After connect the phone then click "START" (Power should be off ) -Reference page 1 Wait. Loading files.. Power supply to phone Running Time = 900sec After passing program and confirming phone power on. and then disconnect cable from phone. When you follow up this procedure, If you have some problem, Pls.

  • Page 105: Block Diagram

    6. BLOCK DIAGRAM 6. BLOCK DIAGRAM - 106 -...

  • Page 106: Circuit Diagram

    KEYPADCOL2 USC4 USC4 NAME 01/10 AD6527B & AD6535 KEY_COL3 KEYPADCOL3 USC5 USC5 USB BOOT EXT CLOCK S.Y.LEE Approved KEY_COL4 USC6 KEYPADCOL4 USC6 2006 REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPFY0123101) LG Electronics Inc. - 107 -...
  • Page 107 SON80 01/10 Designer S.J.PARK 2/10 2006 01/10 Checked S.H.LEE 2006 MAIN PCB DRAWING NAME 01/10 S.Y.LEE (MEMORY, AIT, NAND, CHARGING IC) Approved 2006 REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPFY0123101) LG Electronics Inc. - 108 -...
  • Page 108 MAIN PCB 2006 DRAWING USC1 USC_1 COM1 USC_301 NAME 01/10 USC2 COM2 USC_2 (MIDI, MMI CONN.) S.Y.LEE SPK_RCV_SEL Approved 2006 R314 RECEIVER SPEAKER REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPFY0123101) LGIC(42)-A-5505-10:01 LG Electronics Inc. - 109 -...
  • Page 109 Sign & Name Sheet/ Sheets MODEL SON80 01/10 Designer H.C.LIM 4/10 2006 01/10 K.U.PARK Checked 2006 DRAWING MAIN PCB 01/10 NAME S.Y.LEE (RF) Approved 2006 REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPFY0123101) LG Electronics Inc. - 110 -...
  • Page 110 Sheet/ Sheets MODEL SON80 01/10 Designer S.J.PARK 5/10 2006 01/10 S.H.LEE Checked MAIN PCB 2006 DRAWING (MAIN CONNECTOR) NAME 01/10 S.Y.LEE Approved 2006 REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPFY0123101) LG Electronics Inc. - 111 -...
  • Page 111 SON80 01/10 Designer S.J.PARK 6/10 2006 01/10 Checked S.H.LEE 2006 KEY_PCB DRAWING NAME 01/10 S.Y.LEE (BLUE TOOTH, KEY, SIM, EL DRIVER) Approved 2006 REV.1.1 DRAWING Notice No. Date Name LG Electronics Inc. (SPEY0041801) LGIC(42)-A-5505-10:01 LG Electronics Inc. - 112 -...
  • Page 112 6800p 1608 01/10 ZD201 Checked S.H.LEE KDZ100VW R215 2006 DRAWING KEY_PCB EL OFF 2012 1/4W NAME 01/10 S.Y.LEE Approved HIGH EL ON 2006 REV.1.1 DRAWING Notice No. Date Name LG Electronics Inc. (SPEY0041801) LGIC(42)-A-5505-10:01 LG Electronics Inc. - 113 -...
  • Page 113 Date Sign & Name Sheet/ Sheets MODEL SON80 01/10 Designer S.J.PARK 8/10 2006 Checked SLIDE PCB DRAWING NAME (CHARGE PUMP, MIC, CONN.) Approved REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPEY0041701) LG Electronics Inc. - 114 -...
  • Page 114 AXK7L10227G 1608 Designer S.J.PARK 9/10 2006 R215 4.7K TOUCH_LED R218 Checked C221 SLIDE PCB R216 DRAWING C220 R217 IMX9T110 NAME (70PIN CONNECTOR) Approved REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPEY0041701) LG Electronics Inc. - 115 -...
  • Page 115 Sheet/ TOUCH_CLK Sheets MODEL KG808 TOUCH_DAT 01/10 TOUCH_INT Designer S.J.PARK 10/10 2006 01/10 Checked S.H.LEE TOUCH FPCB 2006 DRAWING NAME 01/10 (CAPACITIVE SENSOR) S.Y.LEE Approved 2006 REV.1.1 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPCY0070601) - 116 -...
  • Page 116 MODEL KG808 LCD_ID LCD_DIM_CTRL 11/1 C_FLASH LCD_RESET Designer S.J.PARK 2005 9/15 Checked S.H.LEE 2005 AXK8L70125BG DRAWING FPCB NAME 9/20 S.Y.LEE Approved 2005 REV.1.0 DRAWING Iss. Notice No. Date Name LG Electronics Inc. (SPCY0070701) LGIC(42)-A-5505-10:01 LG Electronics Inc. - 117 -...
  • Page 117 COL0_MP3 (END) (MP3) ROW0_MP3 GND_END VBAT_END Section Date Sign & Name Sheet/ Sheets MODEL KG808 2/20 Designer S.H.LEE 2006 Checked DRAWING SIDEKEY_FPCB NAME Approved REV.1.0 DRAWING Iss. Notice No. Date Name LG Electronics Inc. LG Electronics Inc. - 118 -...
  • Page 118 7. CIRCUIT DIAGRAM VOLUME SIDEKREY ROW3_COMMON COL1_UP COL2_DOWN Section Date Sign & Name Sheet/ Sheets MODEL KG808 2/20 Designer S.H.LEE 2006 Checked DRAWING SIDEKEY_FPCB NAME Approved REV.1.0 DRAWING Iss. Notice No. Date Name LG Electronics Inc. LG Electronics Inc. - 119 -...

  • Page 119: Pcb Layout

    8. PCB LAYOUT - 120 -...
  • Page 120 8. PCB LAYOUT - 121 -...
  • Page 121 8. PCB LAYOUT - 122 -...
  • Page 122 8. PCB LAYOUT - 123 -...
  • Page 123 8. PCB LAYOUT - 124 -...
  • Page 124 8. PCB LAYOUT - 125 -...
  • Page 125 8. PCB LAYOUT - 126 -...
  • Page 126 8. PCB LAYOUT - 127 -...
  • Page 127 8. PCB LAYOUT - 128 -...
  • Page 128 8. PCB LAYOUT - 129 -...
  • Page 129 8. PCB LAYOUT - 130 -...
  • Page 130 8. PCB LAYOUT - 131 -...
  • Page 131 8. PCB LAYOUT - 132 -...
  • Page 132 8. PCB LAYOUT - 133 -...
  • Page 133 - 134 -...

  • Page 134: Engineering Mode

    9. ENGINEERING MODE 9. ENGINEERING MODE A. About Engineering Mode Engineering mode is designed to allow a service man/engineer to view and test the basic functions provided by a handset. B. Access Codes The key sequence for switching the engineering mode on is 2945#*#. Pressing END will switch back to non-engineering mode operation.

  • Page 135: Bb Test [Menu 1]

    9. ENGINEERING MODE 9.1 BB Test [MENU 1] 9.1.1 LCD 1) COLOUR : WHITE, RED, GREEN, BLUE, BLACK 9.1.2 CAMERA This menu is to test the Camera. 1) Main LCD preview : It shows the picture on Main LCD. 2) Sub LCD preview : It shows the picture on Sub LCD. 3) Flash on : It turns on the Flash LED.
  • Page 136 9. ENGINEERING MODE 9.1.6 ADC (Analog to Digital Converter) This displays the value of each ADC. 1) MVBAT ADC : Main Voltage Battery ADC 2) AUX ADC : Auxiliary ADC 3) TEMPER ADC : Temperature ADC 9.1.7 BATTERY 1) Bat Cal : This displays the value of Battery Calibration. The following menus are displayed in order : BAT_LEV_4V, BAT_LEV_3_LIMIT, BAT_LEV_2_LIMIT, BAT_LEV_1_LIMIT, BAT_IDLE_LI MIT, BAT_INCALL_LIMIT, SHUT_DOWN_VOLTAGE, BAT_RECHARGE_LMT...

  • Page 137: Rf Test [Menu 2]

    9. ENGINEERING MODE 9.2 RF Test [MENU 2] 9.2.1 SAR test This menu is to test the Specific Absorption Rate. 1) SAR test on : Phone continuously process TX only. Call-setup equipment is not required. 2) SAR test off : TX process off 9.3 MF mode [MENU 3] This manufacturing mode is designed to do the baseband test automatically.

  • Page 138: Trace Option [Menu 4]

    9. ENGINEERING MODE 9.3.7 MicSpk Test The sound from MIC is recorded for about 3 seconds, then it is replayed on the speaker automatically. 9.4 Trace option [MENU 4] This is NOT a necessary menu to be used by neither engineers nor users. 9.5 Call timer [MENU 5] This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing.

  • Page 139: Stand Alone Test

    10. STAND ALONE TEST 10. STAND ALONE TEST 10.1 Introduction This manual explains how to examine the status of RX and TX of the model. A. Tx Test TX test - this is to see if the transmitter of the phones is activating normally. B.

  • Page 140: Means Of Test

    10. STAND ALONE TEST 10.3 Means of Test a. Select a COM port b. Set the values in Tx or Rx c. Select band and channel d. After setting them all above, press connect button. e. Press the start button Figure 10-1.
  • Page 141 10. STAND ALONE TEST Figure 10-2. HW test setting Figure 10-3. Ramping profile - 142 -...

  • Page 142: Calibration

    11. Calibration 11. Calibration 1.H/W Tool Setup GPIB Cable com port RF Cable RS232 Cable No Battery Connect cable 2.H/W Tool Setup(RF test : 8960) Reference Tool List Option RF test set 8960/ Agilent Address 1 Power Supply 66311B/Agilent Address 2 Only Windolw2000 or WinXP English Version PIF Jig...

  • Page 143: Test Jig Operation

    11. Calibration JTAG2 JTAG1 Status ADI-REMOTE TI-REMOTE POWER VBAT UART Status POWER Figure 11-1 The top view of Test JIG 1. Test Jig Operation Table 11-2 Jig Power Power Source Description Power Supply usually 4.0V Travel Adaptor Use TA, name is TA-20G(24pin) Table 11-3 Jig DIP Switch Switch Number Name...
  • Page 144 11. Calibration Table 11-4 LED Description LED Number Name Description LED 1 Power Power is provided for Test Jig LED 2 Indicate charging state of the phone battery LED 3 UART Indicate data transfer state through the UART port LED 4 Indicate data transfer state through the MON port 1.
  • Page 145 11. Calibration 2. Install & Directory structure 1) Copy a Cal. Program in local Disk(C:). This program name is “Hotkimchi” -Folder name : Only “CM_GSM” -This Cal.Program is on GCSC Website 2) Registry of Calibration Program -Execute by double click : 3) Directory structure - 146 -...
  • Page 146 11. Calibration 3.Others Directory structure of CM_GSM 1)Hot_Kimchi_V13 Execution File 2)Cal_Model & KG90 Folder 3)Info_Db.txt - 147 -...
  • Page 147 11. Calibration 3.Cal. Procedure 1) Execute. -Path : Local(C:) → CM_GSM Folder → Hot_Kimchi_V13 → ➀ Click. And choose “KG90” ➁ Click. ➂ Click. - 148 -...
  • Page 148 11. Calibration 4.Cal. sequence When the left window pop-up, first of all turn on the phone. And then click ìStartî button after finishing turn on The left window is just progress screen. Phone is being auto re-start after finishing cal. - 149 -...
  • Page 149 - 150 -...

  • Page 150: Exploded View & Replacement Part List

    12. EXPLODED VIEW & REPLACEMENT PART LIST 12.1 EXPLODED VIEW MBJA0020403-MP 22 30 MBJC0018902-MP SUSY0021801-MP SJMY0008203-MP - 151 -...
  • Page 151 - 152 -...

  • Page 152: Replacement Parts

    PACKING,ETC MPAC0004202 Export Son 80-Phone Case Color Without MPBZ00 MPBZ0132804 Son 80-Pad(Transparency) Color Without MSCY00 SLEEVE MSCY0002507 KG800 Open ENG Color APEY00 PHONE APEY0291205 Black ACGM00 COVER ASSY,REAR ACGM0068401 Black GMEY00 SCREW MACHINE,BIND GMEY0013801 1.4 mm,2.0 mm,MSWR3(FN) ,N ,+ ,NYLOK...
  • Page 153 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark MTAZ00 TAPE MTAZ0106707 REAR PLATE TAPE Black ACGQ00 COVER ASSY,SLIDE ACGQ0012001 Black ACAZ00 CAP ASSY ACAZ0005201 CAP SCREW ASSY LEFT Black MCCH00 CAP,SCREW MCCH0074101 CAP SCREW LEFT Black MTAZ00 TAPE...
  • Page 154 MWAH0004401 Black COVER ASSY, ACGS00 ACGS0007301 Black SLIDE(UPPER) AWAZ00 WINDOW ASSY AWAZ0008401 Black 2,10 Without BFAA00 FILM,INMOLD BFAA0039601 LG logo Color Without MWAC00 WINDOW,LCD MWAC0067501 Color MCJW00 COVER,SLIDE(UPPER) MCJW0006901 double injection molding with Inmold film Black MFBC00 FILTER,SPEAKER MFBC0019701 Black...
  • Page 155 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark Without MLAC00 LABEL,BARCODE MLAC0003401 EZ LOOKS(user for mechanical) Color MPBZ00 MPBZ0113705 PAD HINGE Black Without MPFL00 PLATE,LIGHT GUIDE MPFL0000701 touch pad backlight panel Color MRAY00 RAIL MRAY0003501 SLIDE HINGE RAIL...

  • Page 156: Main Component

    12. EXPLODED VIEW & REPLACEMENT PART LIST <Main component> Note: This Chapter is used for reference, Part order is ordered by SBOM standard on GCSC Location Level Description Part Number Specification Color Remark 2.5:1 ,-10.1 dBd, ,2.5:1 ,-10.1 dBd, Internal B.T PIFA Pb- SNGF00 ANTENNA,GSM,FIXED SNGF0012001...
  • Page 157 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark PCB ASSY,FLEXIBLE,SMT SACC00 SACC0020601 BOTTOM CONNECTOR,BOARD TO CN102 ENBY0023801 30 PIN,.4 mm,ETC , ,H=0.9, Header BOARD CONNECTOR,BOARD TO CN803 ENBY0016701 20 PIN,0.4 mm,STRAIGHT ,AU ,0.9 STACKING,MALE BOARD PCB ASSY,FLEXIBLE,SMT SACD00...
  • Page 158 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C213 CAP,TANTAL,CHIP ECTH0001901 10 uF,6.3V ,M ,L_ESR ,1608 ,R/TP C214 CAP,TANTAL,CHIP ECTH0001901 10 uF,6.3V ,M ,L_ESR ,1608 ,R/TP C215 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP Without CN201 TERMINAL,GROUND...
  • Page 159 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R212 RES,CHIP ERHY0000212 39 ohm,1/16W,J,1005,R/TP R213 RES,CHIP ERHY0000220 100 ohm,1/16W,J,1005,R/TP R299 RES,CHIP ERHY0000201 0 ohm,1/16W,J,1005,R/TP U104 EUSY0151902 SC70JW8 ,8 PIN,R/TP ,150mA High Performance LDO VA100 VARISTOR SEVY0003901 5.5 V, ,SMD ,480pF, 1005...
  • Page 160 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark FB100 FILTER,BEAD,CHIP SFBH0000903 600 ohm,1005 , FB101 FILTER,BEAD,CHIP SFBH0000903 600 ohm,1005 , FB102 FILTER,BEAD,CHIP SFBH0008101 600 ohm,1005 , FL101 FILTER,EMI/POWER SFEY0011101 SMD ,4 ch,ESD protection,1608 size,0ohm,18V,30pF FL102 FILTER,EMI/POWER SFEY0011101...
  • Page 161 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark SPKY00 PCB,SIDEKEY SPKY0033101 POLYI ,0.3 mm,DOUBLE ,VOLUME SPKY01 PCB,SIDEKEY SPKY0033201 POLYI ,0.3 mm,DOUBLE ,MP3 SAEE00 PCB ASSY,KEYPAD,SMT SAEE0015901 PCB ASSY,KEYPAD,SMT SAEC00 SAEC0014001 BOTTOM C104 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C105...
  • Page 162 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark CN201 CONNECTOR,ETC ENZY0017701 3 PIN,2.5 mm,ETC , ,H=1.4 CONNECTOR,BOARD TO CN202 ENBY0016601 20 PIN,0.4 mm,STRAIGHT ,AU ,0.9 STACKING HEIGHT BOARD CONNECTOR,BOARD TO CN203 ENBY0023901 30 PIN,0.4 mm,ETC , ,H=0.9, Socket BOARD J201 CONN,SOCKET...
  • Page 163 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark VA102 DIODE,TVS EDTY0008501 TFSC ,5 V,50 W,R/TP ,small size VA103 DIODE,TVS EDTY0008501 TFSC ,5 V,50 W,R/TP ,small size VA203 VARISTOR SEVY0003901 5.5 V, ,SMD ,480pF, 1005 VA204 VARISTOR SEVY0004001...
  • Page 164 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C226 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C227 CAP,CERAMIC,CHIP ECCH0000155 10 nF,16V,K,X7R,HD,1005,R/TP C228 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C229 CAP,CERAMIC,CHIP ECCH0006201...
  • Page 165 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C411 CAP,TANTAL,CHIP,MAKER ECTZ0004201 22 uF,6.3V ,M ,STD ,2012 ,R/TP C412 CAP,CERAMIC,CHIP ECCH0000104 3 pF,50V,C,NP0,TC,1005,R/TP C413 CAP,CERAMIC,CHIP ECCH0000120 39 pF,50V,J,NP0,TC,1005,R/TP C414 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C415 CAP,CHIP,MAKER ECZH0000826...
  • Page 166 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark FL507 FILTER,EMI/POWER SFEY0011101 SMD ,4 ch,ESD protection,1608 size,0ohm,18V,30pF FL508 FILTER,EMI/POWER SFEY0012501 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (200 Ohm,25pF) FL510 FILTER,EMI/POWER SFEY0011701 SMD ,SMD ,18 V,4ch. EMI_ESD Filter (10 Ohm,7.5pF) FL511 FILTER,EMI/POWER SFEY0011701...
  • Page 167 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark SW400 CONN,RF SWITCH ENWY0003002 STRAIGHT ,SMD ,0.3 dB,T510, 3.8X3.0X3.6T BGA(8*8) ,140 PIN,R/TP ,3M Camera, TV Out, NAND I/F, U202 EUSY0265202 Multi Media Chip MLF ,10 PIN,R/TP ,Dual(1.8V/150mA,2.8V/300mA) LDO U204 EUSY0154410 Regulator...
  • Page 168 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C115 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C116 CAP,CERAMIC,CHIP ECCH0004904 1 uF,6.3V ,K ,X5R ,TC ,1005 ,R/TP C117 CAP,CHIP,MAKER ECZH0001421 2.2 uF,6.3V ,K ,X5R ,HD ,1608 ,R/TP C118 CAP,CERAMIC,CHIP ECCH0004904...
  • Page 169 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C310 CAP,CHIP,MAKER ECZH0001121 470 pF,50V ,K ,X7R ,HD ,1005 ,R/TP C311 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP C312 CAP,CERAMIC,CHIP ECCH0000122 47 pF,50V,J,NP0,TC,1005,R/TP C315 CAP,CERAMIC,CHIP ECCH0000182 0.1 uF,10V ,K ,X5R ,HD ,1005 ,R/TP C316 CAP,CERAMIC,CHIP ECCH0000182...
  • Page 170 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark C598 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP C599 CAP,CHIP,MAKER ECZH0000826 27 pF,50V ,J ,NP0 ,TC ,1005 ,R/TP CONNECTOR,BOARD TO 60 PIN,0.4 mm,STRAIGHT ,AU ,STACKING HEIGHT 0.9 / CN500 ENBY0020402 BOARD...
  • Page 171 12. EXPLODED VIEW & REPLACEMENT PART LIST Location Level Description Part Number Specification Color Remark R312 RES,CHIP ERHY0000201 0 ohm,1/16W,J,1005,R/TP R314 RES,CHIP ERHY0000261 10K ohm,1/16W,J,1005,R/TP R315 RES,CHIP ERHY0000254 4.7K ohm,1/16W,J,1005,R/TP R500 RES,CHIP ERHY0000229 300 ohm,1/16W,J,1005,R/TP R501 RES,CHIP ERHY0000220 100 ohm,1/16W,J,1005,R/TP R599 RES,CHIP ERHY0000261...

  • Page 172: Accessory

    3.7 V,800 mAh,1 CELL,PRISMATIC ,EXTRA Model BATT, SBPP00 SBPP0015301 POLYMER Pb-Free SGDY00 DATA CABLE SGDY0010901 LG-US03K ,18pin USB DataCable SON80 800ER,EAR PHONE ,REMOCON,800ER SGEY00 EAR PHONE/EAR MIKE SET SGEY0004211 EARPHONE ADAPTOR,AC-DC SSAD0021001 100-240V ,5060 Hz,4.8 V,0.9 A,CB & CE ,18pin plug...
  • Page 173 Note...
  • Page 174 Note - 175 -...

This manual is also suitable for:

Mg800c

Table of Contents