LG KG240 Service Manual Download Page 76

Page: 76 / 146

4. TROUBLE SHOOTING

- 77 -

CHECKING FLOW

START

Check the soldering of

C245, C246

Yes

Check the state of

contact of dual mode speaker

Speaker

Working well!!

Yes

Voltage across C223

= 1.8V?

Check the signal level of

C245, C246

Yes

Replace C223

Check the soldering of

C223

Yes

Re-soldering

C223

Re-solder C245,

C246 or Replace

U207

Re-soldering

C245, C246

Replace speaker

Yes

Summary of Contents for KG240

Page 1: ...Date April 2006 Issue 1 0 Service Manual Model KG245 Service Manual KG245 ...

Page 2: ...Trouble 70 4 8 LCD Trouble 72 4 9 Camera Trouble 74 4 10 Speaker Trouble 76 4 11 SIM Card Interface Trouble 78 4 12 Earphone Trouble 80 4 13 KEY backlight Trouble 82 4 14 Receiver Trouble 84 4 15 Microphone Trouble 86 4 16 RTC Trouble 88 4 17 Folder on off Trouble 89 5 DOWNLOAD 90 5 1 Download Setup 90 5 2 Download Procedure 91 5 3 SERVICE AND CALIBRATION 98 6 BLOCK DIAGRAM 101 7 Circuit Diagram 1...

Page 3: ... 4 ...

Page 4: ...t be responsible for any charges that result from such unauthorized use B Incidence of Harm If a telephone company determines that the equipment provided to customer is faulty and possibly causing harm or interruption in service to the telephone network it should disconnect telephone service until repair can be done A telephone company may temporarily disconnect service as long as repair is not do...

Page 5: ...ment medical equipment etc Interference from unsuppressed engines or electric motors may cause problems H Electrostatic Sensitive Devices ATTENTION Boards which contain Electrostatic Sensitive Device ESD are indicated by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange system boards When repairs are made to a system boar...

Page 6: ...Bm dB relative to 1 milli watt DSP Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory ESD Electrostatic Discharge FPCB Flexible Printed Circuit Board GMSK Gaussian Minimum Shift Keying GPIB General Purpose Interface Bus GSM Global System for Mobile Communications IPUI International Portable User Identity IF Intermediate Frequency LCD Liquid Crystal Display LDO Low D...

Page 7: ...al Time Clock SAW Surface Acoustic Wave SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory PSRAM Pseudo SRAM STMR Side Tone Masking Rating TA Travel Adapter TDD Time Division Duplex TDMA Time Division Multiple Access UART Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Osci...

Page 8: ...SM EGSM 107dBm DCS 107dBm TX output power GSM EGSM 33dBm Level 5 DCS PCS 30dBm Level 0 GPRS compatibility Class 10 SIM card type 3V Small Display Main LCD 128 x 160 260K TFT 1 77 Sub LCD 96 x 64 65K OLED 1 04 Hard icons Key Pad 0 9 Up Down Navigation Key Status Indicator Menu Key Clear Key Send Key END PWR Key Soft Key Left Right ANT Internal EAR Phone Jack Yes mono PC Synchronization Yes Speech c...

Page 9: ...uency Error 0 1 ppm GSM EGSM Level Power Toler Level Power Toler 5 33 dBm 2dB 13 17 dBm 3dB 6 31 dBm 3dB 14 15 dBm 3dB 7 29 dBm 3dB 15 13 dBm 3dB 8 27 dBm 3dB 16 11 dBm 5dB 9 25 dBm 3dB 17 9 dBm 5dB 10 23 dBm 3dB 18 7 dBm 5dB 11 21 dBm 3dB 19 5 dBm 5dB 4 Power Level 12 19 dBm 3dB DCS PCS Level Power Toler Level Power Toler 0 30 dBm 2dB 8 14 dBm 3dB 1 28 dBm 3dB 9 12 dBm 4dB 2 26 dBm 3dB 10 10 dBm ...

Page 10: ...800 60 1 800 3 000 63 3 000 6 000 65 5 Output RF Spectrum 6 000 71 due to modulation DCS PCS Offset from Carrier kHz Max dBc 100 0 5 200 30 250 33 400 60 600 1 200 60 1 200 1 800 60 1 800 3 000 65 3 000 6 000 65 6 000 73 GSM EGSM Offset from Carrier kHz Max dBm Output RF Spectrum 400 19 6 due to switching transient 600 21 1 200 21 1 800 24 ...

Page 11: ...BER Class II 2 439 102 dBm DCS PCS BER Class II 2 439 100 dBm 9 RX Level Report Accuracy 3 dB 10 SLR 8 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 0 12 11 Sending Response 1 000 0 6 2 000 4 6 3 000 4 6 3 400 4 9 4 000 0 12 RLR 2 3 dB Frequency Hz Max dB Min dB 100 12 200 0 300 2 7 500 5 13 Receiving Response 1 000 0 5 3 000 2 5 3 400 2 10 4 000 2 Mean that Adopt a straight line in between 300...

Page 12: ...68KHz tolerance 30ppm At least 65 dBspl under below conditions 20 Ringer Volume 1 Ringer set as ringer 2 Test distance set as 50 cm 21 Charge Current Fast Charge 450 mA Pre Charge 100 mA Antenna Bar Number Power 5 85 dBm 4 90 dBm 86 dBm 22 Antenna Display 3 95 dBm 91 dBm 2 100 dBm 96 dBm 1 105 dBm 101 dBm 0 105 dBm Battery Bar Number Voltage 0 3 51 3 61 V 23 Battery Indicator 1 3 62 3 69 V 2 3 70 ...

Page 13: ...fication 25 Forced shut down Voltage 3 35 0 03 V 1 Li ion Battery 26 Battery Type Standard Voltage 3 7 V Battery full charge voltage 4 2 V Capacity 830mAh Switching mode charger 27 Travel Charger Input 100 240 V 50 60 Hz Output 5 2 V 800 mA ...

Page 14: ...eiver is the integrated RF front end for multi band GSM GPRS digital cellular handsets and wireless data modems The integrated solution eliminates the IF SAW filter external low noise amplifier LNAs for three bands transmit and RF voltage controlled oscillator VCO modules and other discrete components found in conventional designs 3 TECHNICAL BRIEF Figure 3 1 RECEIVER FUNCTIONAL BLOCK DIAGRAM ...

Page 15: ...d to control the Rx and Tx paths And the input signals ANT_SW1 ANT_SW2 of a FL400 are directly connected to baseband controller to switch either Tx or Rx path on The logic and current is given below Table 3 1 Three differential input LNAs are integrated in SI4205 The GSM input supports the GSM 850 864 894MHz or E GSM 900 925 960MHz bands The DCS input supports the DCS 1800 1805 1880 MHz band The P...

Page 16: ...o remove blocking and reference interference signals The selectivity setting CSEL 0 or a low selectivity setting CSEL 1 The low selectivity filter has a flatter group channelization filter is in the baseband chip After channel selection the digital output is scaled with a digital PGA which is controlled with the DGAIN 5 0 bits in register 05h The amplified digital output signal go through with DAC...

Page 17: ...gnal The baseband software is able to cancel out differential DC offsets in the I Q baseband signals caused by imperfections in the D A converters The Tx Modulator implements a quadrature modulator A quadrature mixer upconverts the differential in phase TXIP TXIN and quadrature TXQP TXQN signals with the IFLO to generate a SSB IF signal that is filtered and used as the reference input to the OPLL ...

Page 18: ...nals Low pass filters before the OPLL phase detector reduce the harmonic content of the quadrature modulator and feedback mixer outputs The cutoff frequency of the filters is programmable with the FIF 3 0 bits in register 04h Figure 3 3 and should be set to the recommended settings detailed in the register description 3 2 PAM SKY77328 U500 The SKY77328 Power Amplifier Module PAM is designed in a l...

Page 19: ... RF circuits One is MIC5255 U403 and the other is one port of AD6537B U101 MIC5255 U403 supplies power to transceiver SI4210 U401 One port of AD6537B supplies power to VVCXO X400 Main power VBAT from battery is used for PAM SKY77328 U400 because PAM requires high power NA 100 C443 R416 1000p C441 2V75_VVCXO GND 2 OUT 3 4 VCC 1 VCONT R417 15K X400 26MHz C442 2 2u AFC Figure 3 5 VCTCXO CIRCUIT DIAGR...

Page 20: ...3 TECHNICAL BRIEF 21 RF2V85 VBAT 0 01u C445 R419 100K C444 1u 4 BYP EN 3 GND 2 1 IN 5 OUT MIC5255 2 85BM5 U403 C446 4 7u CLKON Figure 3 6 RF LDO CIRCUIT DIAGRAM ...

Page 21: ...3 TECHNICAL BRIEF 22 3 5 Digital Main Processor AD6527 U102 Figure 3 7 SYSTEM INTERCONECTION OF AD6527 EXTERNAL INTERFACE ...

Page 22: ...st and Page Mode Flash Support for Pseudo SRAM Ciphering module for GPRS supporting GAE1 and GAE2 encryption algorithms Parallel and Serial Display Interface 8 x 8 Keypad Interface Four independent programmable backlight plus One Service Light 1 8V and 3 0V 64 kbps SIM interface Universal System Connector Interface Slow Medium and Fast IrDA transceiver interface Enhanced Generic Serial Port Dedica...

Page 23: ...LCD_RD L_DATA 15 00 2V8_MV 1 8_MV Signals Description L_MAIN_LCD_CS MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin L_SUB_LCD_CS SUB LCD driver chip enable SUB LCD driver IC has own CS pin LCD_RESET GPIO 15 This pin resets LCD module This signal comes from DBB directly LCD_WR Enable writing to LCD Driver LCD_RD Enable reading to LCD Driver LCD_RS This pin determines whether the data ...

Page 24: ...terrupt AD6537B provides an active high interrupt output signal Interrupt signals are generated by the Auxiliary ADC audio and charger modules Signals Description PA_BAND GPO 17 PAM Band Select ANT_SW1 GPO 9 Antenna switch Band Select ANT_SW2 GPO 11 Antenna switch Band Select CLKON RF LDO Enable Disable PA_EN GPO 16 PAM Enable Disable S_EN GPO 19 PLL Enable Disable S_DATA GPO 20 Serial Data to PLL...

Page 25: ...uired The descriptions about the signals are given by bellow Table 3 6 in detail Signals Description SIM_DATA This pin receives and sends data to SIM card This model can support 1 8volt and 3 0 volt interface SIM card SIM_CLK Clock 3 25MHz frequency SIM_RST Reset SIM block GPIO_23 Table 3 6 SIM CONTRON SIGNALS DISCRIPTION Figure 3 8 SIM Interface of AD6527 KDS 1 6T SIM CONNECTOR C324 NA C325 22p R...

Page 26: ...s software such as data services test and maintenance It is tightly associated with on chip system SRAM and also includes boot ROM memory with a small dedicated routine to facilitate the initialization of the external Flash Memory via code download using the on chip serial interface to the external Flash Memory interface The peripheral subsystem is composed of system peripherals such as interrupt ...

Page 27: ...3 TECHNICAL BRIEF 28 3 6 Analog Main Power Management Processor AD6537B U101 B Figure 3 10 AD6537B FUNCTIONAL BLOCK DIAGRAM ...

Page 28: ... Transmit DACs and Filters Power Ramping DAC 2 BB Receive section I channel Q channel Receive ADCs and Filters 3 Auxiliary section Voltage Reference Automatic Frequency Control DAC Auxiliary ADC Light Controllers 4 Audio Section 8 kHz 16 kHz Voiceband Codec 48 kHz Monophonic DAC Power Amplifiers 5 Power Management section Voltage Regulators Battery Charger Battery Protection 6 Digital Processor se...

Page 29: ...The transmit channel consists of a digital GMSK modulator a matched pair of 10 bit DACs and a matched pair of reconstruction filter 3 6 2 Baseband Transmit Section 1 This section consists of two identical ADC channels that process baseband in phase I and quadrature Q input signals Figure 3 11 AD6537B BASEBAND TRANSMIT SECTION Figure 3 12 AD6537B BASEBAND RECEIVER SECTION ...

Page 30: ...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 The Auxiliary ADC provides Two differential inputs for temperature sensing A differential input for the battery charger current sensor Figure 3 13 AD6537B AUXILIARY SECTION ...

Page 31: ...ller a microphone interface and multiple analog input and output channels 4 It interconnects with external devices like main microphone main receiver and headset The descriptions of audio port used in This model are given bellow in detail Up Link AIN1P AIN1N Main microphone positive negative terminal AIN2P AIN2N Headset microphone positive negative terminal AIN3P AIN3N External Analog Input termin...

Page 32: ...he AD6537B 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 REFOUT is also enabled Reset is generated and send to the AD6527 Figure 3 15 AD6537B POWER MANAGEMENT SECTION ...

Page 33: ...V or 2 8V 150mA VEXT supplies Radio digital interface and high voltage interface 2 8V 170mA VSIM supplies the SIM interface circuitry on the digital processor and SIM card 1 8V or 2 85V 20mA VRTC supplies the Real Time Clock module 1 8 V 20 µA VABB supplies the analog portions of the AD6537B VMIC supplies the microphone interface circuitry 2 5 V 1 mA VVCXO supplies the voltage controlled crystal o...

Page 34: ...age is lower than 3 2V the precharge low current charge mode starts firstly And the battery voltage reach to 3 2V the CC CV charging starts 3 Pins used for charging GATEDRIVE charge DAC output ISENSE charge current sense input VBATSENSE battery voltage sense input BATTYPE battery type identification input REFCHG voltage reference output 4 TA Travel Adaptor Input voltage AC 85V 260V 50 60Hz Output ...

Page 35: ...t Microphone To Headset Speaker Figure 3 19 KG245 HEADSET SPEAKER CIRCUIT AD6537B CLOSE TO AD6537B 39p C144 C139 39p R109 4 7 T8 SGND1 R8 SGND2 NC_R12 R12 M2 DGND C2 GPI LGND N15 K16 J16 AOUT3P AGND1 R16 AIN1N P16 AIN1P AIN2N R15 AIN2P P15 AIN3R AOUT1N K15 AOUT1P J15 AOUT2N1 T9 AOUT2N2 R9 AOUT2P1 R11 AOUT2P2 T11 AOUT3N 39p C132 4 7 R110 39p C134 39p C138 39p C142 C140 39p 39p C131 C133 39p C143 39...

Page 36: ...VCHG VMEMSEL R3 VBATSENSE B8 A5 NC_B5 B5 NC_B7 B7 G16 NC_G16 R1 NC_R1 T15 NC_T15 GATEDRIVE A6 T5 GND_NET1 A7 ISENSE R104 0 2 C126 1u S 5 Q101 TPCF8102 TE85L F D1 1 D2 2 D3 3 D4 6 D5 7 D6 8 G 4 R105 330 4 7u C125 CUS02 D101 ERHY0007007 1 1 8W 20 R226 2 3 1 Q202 2SC5585 10K R223 R209 15 2 5 6 3 1 4 Q201 UMX1NTN VCHARGE R215 10K 7 5K R220 VBAT 1u C210 R216 1K ONNOFF VCHG_LED Figure 3 20 CIRCUIT FOR B...

Page 37: ... C601 0 1uF 4 7K R602 27p C604 1u C607 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 6 INOUT_B4 ICVE21184E150R500FR FL609 C606 1u R604 100K 1u C605 C611 56p C610 VCHARGE 56p C609 56p 8 9 56p C614 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 7 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 1 10 11 12 13 14 15 1...

Page 38: ... for Digital Zoom Function MJPEG codec high speed Image data processing OSD and so on For the system level ingegration the CL765A provides various off chip interfaces including CMOS CCD camera sensor interface LCD interface SD card interface and CCIR601 656 interface for external TV encoder interface Figure 3 22 CL765A BLOCK DIAGRAM ...

Page 39: ...10 L7 C_D0 K7 C_D1 C_D2 M8 C_D3 L8 C_D4 K8 M9 C_D5 L9 C_D6 C_D7 J8 C_HS K4 M1 C_MCLK C_PCLK L4 L3 C_PWDN M3 C_RST M5 C_SCK C_SDA M4 C_VS M2 U503 EUSY0240501 CIS_TYPE0 M10 C9 CIS_TYPE1 CIS_TYPE2 B8 C505 10u 2V85_VCAM C516 0 01u 2V8_C_PWR 0 1u C506 2V85_VCAM 1u C510 4 7u C515 R509 100K 1u C509 C511 1u 100K R503 L_DATA16 L_DATA17 CAM_RST DATA06 DATA07 DATA08 DATA09 _WR 26MHz L_DATA06 L_DATA07 L_DATA0...

Page 40: ...nected together causing the row input to go low and generate an interrupt The columns rows are then scanned by AD6527 to identify the pressed key Figure 3 24 Keypad Switches and Scanning 5 2 SEND 7 1 3 RIGHT 4 CAMERA CONF VOL_UP UP DOWN CLR VOL_DOWN MENU LEFT 0 Side Key 6 9 FAV 8 SEL T END EVL14K02200 VA303 680 R354 R333 680 SW329 SW325 680 R352 SW321 100 R318 SW310 SW311 EVL14K02200 VA306 SW315 S...

Page 41: ...r In the case of G692 there are 3 different speakers One is main speaker for the received voice another are loud speaker for playback of ring tone key tone and other MIDI sounds and the other is headset speaker The main speaker is driven directly from AD6537B AOUT1P and AOUT1N pins and the gain is controlled by the PGA in an AD6537B The receiver is placed in the folder cover and connected to AOUT1...

Page 42: ...k is removed JACK_DETECT goes from low to high Audio path is switched from earphone to receiver by JACK_DETECT interrupt Hook detection If hook button is pressed HOOK_DETECT is changed from high to low This is detected by AD6527 GPIO_36 And then hook is detected CLOSE TO EARJACK GPIO_39 GPIO_45 1608 3 pole ENJE0003501 2V8_VEXT EVL5M02200 VA203 22u C206 C202 10u J201 7502 2 5G SB1 A NC 4 VOUT 3 2 V...

Page 43: ...u R303 75 C310 R310 75 R314 75 75 R313 C316 27p C304 75 R309 1u LEBB S14H LD307 C315 27p C305 1u 1u C301 LEBB S14H LD304 LEBB S14H LEBB S14H LD309 LD313 10 R326 75 R307 C306 1u LD306 LEBB S14H 1u VBAT C308 LD312 LEBB S14H R315 75 LEBB S14H LD311 10 R327 75 R312 1u C312 R305 75 LEBB S14H C307 1u LD314 C302 1u 2 5 6 3 1 4 UMX1NTN Q301 C309 1u C314 1u LEBB S14H LD301 R308 75 C313 1u 12K R325 75 R316 ...

Page 44: ...tor is placed in the folder cover and contacted to LCD MODULE The vibrator is driven from VIBRATOR GPIO_3 of AD6527 VIBRATOR 2 3 6 4 1 5 Q302 EMZ2 VBAT VBAT R357 7 5K R351 220 C317 4 7u 47K R334 20 R350 R353 1 5K MOTOR VIBRATOR Figure 3 28 MOTOR ...

Page 45: ...U203 6 BGND 2 GND NC 5 STBY 1 3 VIN VOUT 4 R227 0 R228 330 A4 NO2 B4 V R235 47 U206 MAX4717EBC T C3 COM1 A3 COM2 B1 GND C2 IN1 A2 IN2 C1 NC1 A1 NC2 C4 NO1 C240 0 1u 47 R232 15p C249 NA C237 2V8_VBT 2V8_VBT 0 1u C236 23 24 UART_RX UART_TX 27 22 VDD_1_8V VDD_DIG 21 VDD_VREGIN 3 PCM_CLK PCM_IN 19 PCM_OUT 17 18 PCM_SYNC PIO0 1 2 PIO1 PIO2 7 8 PIO3 PIO4 9 10 PIO5 16 RESETB SPI_CLK 13 14 SPI_CSB SPI_MIS...

Page 46: ...iver Sensitivity 83 dBM Max Dimensions 6 9 7 9 1 5 unit mm Wide operating temperature range Target 40 to85C Storage 40 to 100C D C Supply voltage range 1 8V or 3 0V Nominal Interfaces UART and SPI for data and PCM for voice Stack layer HCI or RFCOMM Compatibility with Bluetooth Specification 1 2 Figure 3 30 BLUETOOTH INTERFACE ...

Page 47: ...omponent 4 TROUBLE SHOOTING SW400 FL400 U400 U401 X400 U403 U402 Mobile Switch Sw400 FEM Fl400 VVCXO 26MHz Clock X400 2 85V Regulator U403 Inerter U402 RF Main Chip SI4210 U401 Power Amp Module SKY77328 U400 Figure 4 1 RF Component ...

Page 48: ... 1 Check regulator circuit Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 2 Check VCTCXO 3 Check Mobile SW FEM 4 Check RX IQ CHECKING FLOW ...

Page 49: ...check VCTCXO Voltage at Pin5 of U403 Is 2 85V Level at Pin3 of U403 Is high YES NO Replace U403 YES NO Change main board RF2V85 VBAT 0 01u C445 R419 100K C444 1u 4 BYP EN 3 GND 2 1 IN 5 OUT MIC5255 2 85BM5 U403 C446 4 7u CLKON TEST POINT CIRCUIT CHECKING FLOW Figure 4 2 a Regulator Circuit Figure 4 2 b Regulator Circuit ...

Page 50: ...Page to check Mobile SW See next Page to check Mobile SW Yes Check Pin 4 Refer to Graph 4 1 a 2 75V OK No Yes Changing X400 Check U101 PMIC NA 100 C443 R416 1000p C441 2V75_VVCXO GND 2 OUT 3 4 VCC 1 VCONT R417 15K X400 26MHz C442 2 2u AFC Figure 4 3 a VVTXO Circuit Figure 4 3 a VVTXO Circuit TEST POINT CIRCUIT CHECKING FLOW WAVEFORM Graph 1 a Graph 1 b ...

Page 51: ...C_DCSPCS VC_EGSM FL400 SW400 GPIO_11 GPIO_9 270p C440 NA L400 C417 22p 6 GND3 GND4 7 16 GND5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 GND13 4 GND2 FL400 HWXQ511 1p C407 ANT400 C418 ANT G1 G2 RF NA KMS 506 SW400 ANT401 270p C439 L407 5 6nH NA C410 ANT402 ...

Page 52: ... Cable connected Open Yes Changing SW400 Check SW400 Pin ANT RF with No RF Cable Connected Short Yes Changing SW400 For these 2 test case No Call connection is needed No No Changing the Board Check RF Level of FL500 10 for GSM FL500 1 for DCS Ant SW Mobile SW is OK See next Page to check Rx IQ Signal Pin10 62dBm Pin 1 63dBm No Changing FL400 Yes No For this RF Level test case RX Stand alone Mode i...

Page 53: ...17 RFIPP RFOH 16 15 RFOL 12 VDD1 VDD2 13 28 VDD3 VDD4 29 VIO 11 XDIV 26 25 AFC 27 14 GND 24 RFIAN 23 RFIAP 20 RFIDN 19 U401 SI4210 C428 12p C425 1 8p L404 6 8nH CHECKING FLOW Redownload software and calibration again Similar No Replace U401 Yes No Check C425 C427 Check if there is any Major difference Refer to graph 4 3 Figure 4 5 a RX IQ Circuit Figure 4 5 b RX IQ Circuit Graph 3 ...

Page 54: ...T 1 Check regulator circuit Redownload SW or Do calibration again HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting 2 Check VVCXO 4 Check PAM control signal 5 Check TX IQ 3 Check Mobile SW FEM ...

Page 55: ...tor Circuit RF2V85 VBAT 0 01u C445 R419 100K C444 1u 4 BYP EN 3 GND 2 1 IN 5 OUT MIC5255 2 85BM5 U403 C446 4 7u CLKON CIRCUIT Regulator Circuit is OK See next Page to check VVCXO Voltage at Pin5 of U403 Is 2 85V Level at Pin3 of U403 Is high YES NO Replace U403 YES NO Change main board Figure 4 6 b Regulator Circuit ...

Page 56: ... Circuit Graph 4 a NA 100 C443 R416 1000p C441 2V75_VVCXO GND 2 OUT 3 4 VCC 1 VCONT R417 15K X400 26MHz C442 2 2u AFC WAVEFORM Graph 4 a Check Pin 3 Refer to Graph 4 1 b 26 MHzO K No No VVCXO Circuit is OK See next Page to check Mobile SW See next Page to check Mobile SW Yes Check Pin 4 Refer to Graph 4 1 a 2 75V OK No Yes Changing X400 Check U101 PMIC ...

Page 57: ...2p 6 GND3 GND4 7 16 GND5 GND6 17 18 GND7 GND8 19 20 GND9 14 PCS_RX1 PCS_RX2 15 VC_DCSPCS 3 VC_EGSM 9 ANT 1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 GND13 4 GND2 FL400 HWXQ511 1p C407 ANT400 C418 ANT G1 G2 RF NA KMS 506 SW400 ANT401 270p C439 L407 5 6nH NA C410 ANT402 ANT_SW1 ANT_SW2 Graph 5 a GSM Tx mode Graph 5 b DCS PCS Tx mode ...

Page 58: ...ether Ant SW Set as TX mode RRefer to Graph4 6 RRefer to Table 6 11 Yes Check VC_EGSM VC_DCSPCS Check RF Level of FL400 Pin 5 for GSM Pin 3 for DCS Pin5 29 5dBm Pin 3 26 5dBm No Yes No Changing board Go to 4 3 5 Checking PAM control signal END For the test TX Stand alone Mode is needed Refer to chapter 11 PL 7 for GSM PL 2 for DCS ANT SW VC_EGSM VC_CDSPCS DCS TX 0 1 EGSM TX 1 0 EGSM DCS RX 0 0 Tab...

Page 59: ...04 22u R606 100 VBAT R605 100 C405 27p 18 ENABLE 1 BS PA_BAND PA_EN CHECKING FLOW Go to Next Step Similar Yes No Check TX_RAMP and PA_EN Check if there is Any Major Difference or not Refer to Graph 4 7 Go to Next Step Similar Yes No Go to Next Step Similar Yes No Redownload S W Check TX_RAMP and PA_EN Check if there is Any Major Difference or not Refer to Graph 4 7 Graph 6 ...

Page 60: ...RFIEP 18 RFIPN 17 RFIPP RFOH 16 15 RFOL 12 VDD1 VDD2 13 28 VDD3 VDD4 29 VIO 11 XDIV 26 25 AFC 27 14 GND 24 RFIAN 23 RFIAP 20 RFIDN 19 U401 SI4210 C428 12p C425 1 8p L404 6 8nH CHECKING FLOW Redownload the Software And calibrate Check if there is Any Major Difference Refer to Graph 4 8 Similar Yes No Replace U101 WAVEFORM Figure 4 10 a TX IQ U401 C425 C427 Graph 7 ...

Page 61: ...V8_VRTC C122 1u 2V5_VMIC VBAT P1 VCORE1 VCORE2 N1 A4 VEXT1 VEXT2 B4 VMEM1 T3 T2 VMEM2 N16 VMIC VRTC T7 T6 VSIM D16 VVCXO VABB H16 VBAT_NET T4 NC_E15 E15 NC_E16 E16 F16 NC_F16 1V8_VCORE 2V8_VEXT C118 1u 2V85_VSIM 2 2u C117 0 1u C115 C119 1u R102 1K 2V75_VVCXO 1u 2V75_VABB C113 C114 2V8_VMEM 1u BACK_BATT Figure 4 11 a Power On Trouble Figure 4 11 b Power On Trouble ...

Page 62: ...1 HIGH Does it work properly THE PHONE WILL POWER ON Charge or Change Battery Check the contact of power key Or dome switch Replace U101 VCORE 1 8V VVCXO 2 75V VMEM 2 8V VRTC 1 8V VEXT 2 8V VSIM 1 8V or 2 85V VABB 2 75V VMIC 2 5V Re download software The power on procedure is Completed The problem may be elsewhere Does it work properly Replace the main board YES YES YES YES YES NO NO NO NO NO NO ...

Page 63: ...3 COM2 B1 GND C2 IN1 A2 IN2 C1 NC1 A1 NC2 C4 NO1 C240 0 1u 47 R232 15p C249 NA C237 2V8_VBT 2V8_VBT 0 1u C236 23 24 UART_RX UART_TX 27 22 VDD_1_8V VDD_DIG 21 VDD_VREGIN 3 PCM_CLK PCM_IN 19 PCM_OUT 17 18 PCM_SYNC PIO0 1 2 PIO1 PIO2 7 8 PIO3 PIO4 9 10 PIO5 16 RESETB SPI_CLK 13 14 SPI_CSB SPI_MISO 15 12 SPI_MOSI 26 UART_CTS UART_RTS LBMA 2C67B2 M201 ANT 5 4 GND1 6 GND2 GND3 11 GND4 25 28 NC 20 4 5 VC...

Page 64: ...ooth Power on 2V8_VBT at C233 2 8V No Yes Replace U101 IS _BT_RST signal shape similar FIG 1 Yes No 2V8_VBT at C233 C234 2 8V No Yes BT_EN at R228 2 8V No Yes Replace U207 Check PCB pattern Replace U102 Replace U102 Checking flow ...

Page 65: ...Replace U101 Yes No Resolder Replace U101 Yes No Replace M201 Connect BT Headset Not available Yes IF RF level at Antenna Feeding about 0dBm No Yes Is soldering of R239 L202 good No Yes Replace M201 Replace Headset Resolder ...

Page 66: ...4 TROUBLE SHOOTING 67 Yes No Yes No Replace M201 Establish a call IIS PCM_RX signal shape similar FIG 3 Replace U102 Software Re_download ...

Page 67: ...BAT VCHARGE VCHG VMEMSEL R3 VBATSENSE B8 A5 NC_B5 B5 NC_B7 B7 G16 NC_G16 R1 NC_R1 T15 NC_T15 GATEDRIVE A6 T5 GND_NET1 A7 ISENSE R104 0 2 C126 1u S 5 Q101 TPCF8102 TE85L F D1 1 D2 2 D3 3 D4 6 D5 7 D6 8 G 4 R105 330 4 7u C125 CUS02 D101 Figure 4 13 a Charging Trouble Figure 4 13 b Charging Trouble ...

Page 68: ... across R104 is about 10 100mV YES 0 7V voltage R105 1 3V YES Battery is charged YES Charging is properly operating NO NO NO NO NO NO Resolder the CN301 Pin 4 5 VCHARGE Pin12 19 GND The TA is out of order Change the TA Resolder the Q101 D101 R104 Replace the Q101 D101 Replace the Q101 The battery may have problems Change the battery Checking Flow ...

Page 69: ...ering Check in LCD Module R357 Q302 R350 R334 R353 C317 TEST POINT VIBRATOR 2 3 6 4 1 5 Q302 EMZ2 VBAT VBAT R357 7 5K R351 220 C317 4 7u 47K R334 20 R350 R353 1 5K MOTOR VIBRATOR CIRCUIT Figure 4 14 a Vibrator Trouble Figure 4 14 b Vibrator Trouble ...

Page 70: ...e at pin 2 of Q302 low YES Is the voltage at pin 1 of Q302 high YES Check the soldering of CN601 YES Check the soldering of vibrator YES Replace vrbrator YES Vibrator Working well Check the soldering of R353 R357 YES NO Resolder R334 Check the soldering of R334 YES NO NO NO Resolder CN601 Check the soldering of R351 YES NO Resolder R351 Replace Q302 NO Resolder vibrator NO Checking Flow ...

Page 71: ...rouble TEST POINT Figure 4 15 a LCD Trouble Figure 4 15 b LCD Trouble CN601 FL602 FL601 FL604 FL609 FL605 FL607 FL603 FL606 FL608 LCD Module connection connector 60Pin female Camera Module connection Connector 20Pin female LCD Module ...

Page 72: ...tor Check the connection LCD module with connector On FPCB NO Reassemble LCD module with connector on FPCB Check the soldering of CN601 NO Change the FPCB and try again YES YES YES Check the soldering of EMI filter Resoldering CN601 NO Resoldering EMI filter FL600 FL609 Does LCD work properly NO Replace LCD module YES LCD working well YES ...

Page 73: ...4 TROUBLE SHOOTING 74 4 9 Camera Trouble TEST POINT Figure 4 16 a Camera Trouble Figure 4 16 b Camera Trouble U503 Q501 FL605 FL609 FL608 FL607 Camera Module Camera Module Connector 20Pin male ...

Page 74: ...voltage of pin 3 of U406 is 3V Check the voltage of pin 22 of CN601 if 3V YES Check the signals of the FL605 FL608 YES Check the signals of the FL605 FL608 YES Camera will work properly YES NO Check the voltage of pin 1 of Q501 LOW NO YES Go to the LCD trouble Replace the U503 NO Check the soldering of CN601 NO Replace the Q501 NO Does the image appears on LCD YES YES Camera will work properly Rep...

Page 75: ...IN_C3 A1 SDIN F8 H5 SMODE SO J6 SPOUT1 B7 DVSS1 D1 DVSS2 D8 DVSS3 J4 B4 EQ1 EQ2 A3 A4 EQ3 A2 EXC C4 EXTIN C6 EXTOUT GPIO H6 HPC B3 B6 HPOUTL A6 HPOUTR HPVSS A5 G5 IFSEL D4 INDEX BBL B5 BBR C5 BCLK G8 CLKI E2 G3 D0 D1 J2 D2 H2 D3 G2 H1 D4 J1 D4_H1 F3 D5 G1 D6 D7 F2 D7 DVDD1 E1 DVDD2 J3 DVDD3 U207 YMU792 F1 A0 E3 A1 AVDD C1 AVSS B1 0 1u C226 C227 0 1u 47p C247 0 033u C244 1V8_MIDI_CORE 47p C246 C250...

Page 76: ...he state of contact of dual mode speaker Speaker Working well Yes Voltage across C223 1 8V Check the signal level of C245 C246 No Yes Replace C223 Check the soldering of C223 No Yes Re soldering C223 Re solder C245 C246 or Replace U207 No Re soldering C245 C246 Replace speaker No No Yes ...

Page 77: ...ECTOR C324 NA C325 22p R369 20K 2V85_VSIM 1000p C326 J301 CLK 3 GND 4 6 I_O RST 2 1 VCC 5 VPP 2V85_VSIM 220n C318 SIM_DATA SIM_RST SIM_CLK Figure 4 18 a Sim Card Interface Figure 4 18 b Sim Card Interface 4 TROUBLE SHOOTING 78 TEST POINT CIRCUIT J301 ...

Page 78: ...upports only 3V SIM card YES Voltage at pin1 of J301 is 2 85V NO Resolder J301 YES YES Replace J301 YES Voltage output of VSIM LDO Is 2 85V Change the SIM Card And try again Does it work Properly YES Change SIM Card Redownload SW Does it work Properly NO Change the main board NO YES SIM Card will be detected ...

Page 79: ...01 2V8_VEXT EVL5M02200 VA203 22u C206 C202 10u J201 7502 2 5G SB1 A NC 4 VOUT 3 2 Vin NCP563Q25T1 U201 GND 1 NA C209 2V5_JACK 0 1u C201 39p C219 C216 0 1u R225 1M R204 1 5K 0 1u C203 2V5_JACK VA204 EVL5M02200 39p C220 33u C214 R201 1K HOOK_DETECT JACK_DETECT AUXIP AUXIN AUXOP Figure 4 19 a Earphone Trouble Figure 4 19 b Earphone Trouble ...

Page 80: ...dio part of the test Equipment to echo mode Change the earphone and try again NO Can you hear your voice from the earphone YES Can you hear the sound from the earphone No Set the audio part of the test equipment to PRBS or continuous wave mode Download software YES Does it work well Change the main board YES NO Voltage at C214 1 2V Check soldering C214 YES Change the main board YES Download softwa...

Page 81: ...4 TROUBLE SHOOTING 82 4 13 KEY backlight Trouble TEST POINT Figure 4 20 a KEY Backlight Trouble ...

Page 82: ...10 R326 75 R307 C306 1u LD306 LEBB S14H 1u VBAT C308 LD312 LEBB S14H R315 75 LEBB S14H LD311 10 R327 75 R312 1u C312 R305 75 LEBB S14H C307 1u LD314 C302 1u 2 5 6 3 1 4 UMX1NTN Q301 C309 1u C314 1u LEBB S14H LD301 R308 75 C313 1u 12K R325 75 R316 C311 1u LD310 LEBB S14H VBAT 75 R304 75 R311 KEY_BACKLIGHT Figure 4 20 b KEY Backlight Trouble START Is the level at R325 High NO Check U102 YES Are all ...

Page 83: ...UBLE SHOOTING 84 R109 R110 C139 C140 TEST POINT 39p C144 C139 39p R109 4 7 T8 SGND1 R8 SGND2 M2 DGND C2 GPI LGND N15 K16 J16 AOUT3P AGND1 AOUT1N K15 AOUT1P J15 AOUT2N1 T9 AOUT2N2 R9 AOUT2P1 R11 AOUT2P2 T11 AOUT3N 4 7 R110 39p C138 39p C142 C140 39p C143 39p SPKP_P AUXOP RCV_N RCV_P CIRCUIT ...

Page 84: ...N601 connected properly NO YES Receiver will work properly 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 Is receiver connected Properly YES Reassemble CN601 NO Resoldering receiver CHECKING FLOW ...

Page 85: ...NT CIRCUIT BSE 42dB FPCB Type CLOSE TO MIC MIC 39p C217 39p C212 10u C204 0 1u C215 39p R210 100 C208 100 R217 R202 1K C211 39p EVL5M02200 VA202 R206 2 2K 39p C218 VA201 EVL5M02200 2V5_VMIC R221 2 2K VINNORN VINNORP Figure 4 22 a Microphone Trouble Figure 4 22 b Microphone Trouble ...

Page 86: ...ter initialize Agilent 8960 Test EGSM DCS mode YES Resolder R202 R206 Voltage across R202 DC 2 5V Check the signal Level at each side of MIC Is it a few tens mV AC Check the soldering of R210 R217 C211 C215 Voltage VMIC of U101 DC 2 5V NO Replace microphone YES NO Resolder component CHECKING FLOW ...

Page 87: ...NRESET V3 E9 OSCIN OSCOUT C9 F9 PWRON V6 NAUXCS1 T5 NGPCS1 N9 GPIO_42_NMAIN_LCD_CS V7 GPIO_43_NSUB_LCD_CS L14 GPIO_1_IRDA_RX GPIO_2_NIRDA_EN K16 L18 GPIO_0_IRDA_TX N10 CLKIN P13 CLKON NA C129 C128 1000p 10M R106 C127 NA CLKON _SUB_CS _LCD_CS BT_EN _RESET _MIDI_CS Figure 4 23 a RTC Trouble Figure 4 23 b RTC Trouble ...

Page 88: ...NG 89 4 17 Folder on off Trouble U504 C521 C522 TEST POINT CIRCUIT 330p C520 0 1u C521 2V8_VEXT OUT VDD A3212ELH U504 GND R510 100K 10p C522 FLIP Figure 4 25 a Folder On Off Trouble Figure 4 25 b Folder On Off Trouble ...

Page 89: ...a battery with the voltage above 3 7V 5 1 2 In case of using the PIF Preparation Target Handset PIF RS 232 Cable and PIF to Phone interface Cable TA Power Supply or Battery BM compatible PC supporting RS 232 with Windows 98 or newer If you use battery you should have a battery with the voltage above 3 7V 5 DOWNLOAD AND CALIBRATION 5 DOWNLOAD AND CALIBRATION 90 Figure 5 1 Describes Download Setup ...

Page 90: ...5 DOWNLOAD AND CALIBRATION 91 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM exe Click ...

Page 91: ...5 DOWNLOAD AND CALIBRATION 92 5 2 2 Click the Setting button Then choose Configuration which is going to download ...

Page 92: ...5 DOWNLOAD AND CALIBRATION 93 5 2 3 Configuration Setting C GSMULTI Model MG210 dll ...

Page 93: ...5 DOWNLOAD AND CALIBRATION 94 5 2 4 Press Start Button KG245 ...

Page 94: ...5 DOWNLOAD AND CALIBRATION 95 5 2 5 After Start Button Which Stand by condition KG245 ...

Page 95: ...5 DOWNLOAD AND CALIBRATION 96 5 2 6 SW downloading Condition KG245 ...

Page 96: ...5 DOWNLOAD AND CALIBRATION 97 5 2 7 SW downloading END Condition KG245 ...

Page 97: ...CALIBRATION 98 5 3 SERVICE AND CALIBRATION 5 3 1 Calibration A Equipment Setup Mobile Switch Cable Power Supply GPIB Cable PC Battery Simulator Jig TA GSM Test Set 8960 GPIB Cable Figure 5 2 Calibration Equipment List ...

Page 98: ...5 DOWNLOAD AND CALIBRATION 99 B RF Calibration Program 1 Execute Hot_KimchiD exe 2 Click on APPLY button 3 Click on CALIBRATION START KG245 KG245 ...

Page 99: ...5 DOWNLOAD AND CALIBRATION 100 4 Click on CALIBRATION START button KG245 KG245 ...

Page 100: ...5 DOWNLOAD AND CALIBRATION 101 6 BLOCK DIAGRAM ...

Page 101: ... 102 ...

Page 102: ...CS2 NRD P5 V14 GPO_2 R18 GPO_20 P18 GPO_21 GPO_22_KEY_BACKLIGHT G13 D18 GPO_23_LCD_BACKLIGHT A6 GPO_29_ABBRESET T13 GPO_3 GPO_4 T14 GPO_5_ARSM A7 GPO_6_ATSM C7 T15 GPO_7 V16 GPO_8 GPO_9 V17 JTAGEN T11 F13 KEYPADCOL0 KEYPADCOL1 A14 GPIO_53 F10 A10 GPIO_54 E11 GPIO_55 GPIO_56 A12 GPIO_6 J18 H16 GPIO_7 GPIO_8 J14 GPIO_9 H18 GPO_0_RXON C8 V18 GPO_10 GPO_11 R16 GPO_16 T16 T18 GPO_17 P16 GPO_18 GPO_19 U...

Page 103: ... H2 D3 G2 H1 D4 J1 D4_H1 F3 D5 G1 D6 D7 F2 D7 DVDD1 E1 DVDD2 J3 DVDD3 U207 YMU792 F1 A0 E3 A1 AVDD C1 AVSS B1 0 1u 2V5_JACK 0 1u C201 ANT201 FEED GND1 GND2 C226 0 1u AMAN542015LG02 C232 39p C219 7 5K R220 C227 0 1u 47p C247 0 033u C244 47 R237 1V8_MIDI_CORE 0 1u C215 C216 0 1u BH28FB1WHFV U203 6 BGND 2 GND NC 5 STBY 1 3 VIN VOUT 4 R225 1M 47p C246 C250 100p 39p R210 100 C208 C251 0 1u R227 0 100 R...

Page 104: ...A18 E4 A19 D7 A2 E2 A20 E6 S71PL256NC0_TLA084 U301 SW317 C321 680 R323 39p R331 680 R301 10K C315 27p C325 22p C330 C305 0 1u 1u R345 SW309 R369 20K 100K 1u C301 LEBB S14H LD304 SW318 LEBB S14H LEBB S14H LD309 LD313 680 EVL14K02200 VA301 2V8_VMEM R332 R351 220 10 R326 2V8_VMEM 75 R307 NA R340 C306 1u LD306 LEBB S14H C317 4 7u 47K R334 0 1u C322 10p C329 1u VBAT C308 2V8_VMEM 2V85_VSIM 100K R344 SW...

Page 105: ...1 DCSPCS_TX 5 12 DCS_RX1 DCS_RX2 13 10 EGSM_RX1 EGSM_RX2 11 8 EGSM_TX 2 GND1 GND10 21 22 GND11 GND12 23 24 GND13 4 GND2 NA FL400 HWXQ511 100 C443 VBAT R416 C420 39p 1000p 1M R415 C437 1p RF2V85 C407 39p C424 C421 27p C414 10p ANT400 C428 12p 27p C431 2 2u C433 C418 ANT G1 G2 RF NA C436 KMS 506 SW400 C409 RF2V85 1000p C425 8p 1 8p 1000p C441 C434 30 22p R407 0 01u C445 ANT401 220 R404 2V8_VEXT R606...

Page 106: ...17 L_DA2 K10 L_DA3 H8 H9 L_DA4 L_DA5 J10 L_DA6 G10 G9 L_DA7 L_DA8 G8 A5 GNDC1 B5 GNDC2 C5 GNDC3 GNDC4 F2 L5 GNDC5 GNDI1 B2 GNDI2 E8 J3 GNDI3 GNDI4 K6 J1 GPIO_0 H3 GPIO_1 H1 GPIO_2 K9 LS_CS_N K3 L_ADS L1 L_CS_N L_DA0 L10 L7 C_D0 K7 C_D1 C_D2 M8 C_D3 L8 C_D4 K8 M9 C_D5 L9 C_D6 C_D7 J8 C_HS K4 M1 C_MCLK C_PCLK L4 L3 C_PWDN M3 C_RST M5 C_SCK C_SDA M4 C_VS M2 VIN VOUT_BL 13 VOUT_FL 3 U503 EUSY0240501 C...

Page 107: ...0R500FR FL609 C606 1u R604 100K 1u C605 C611 56p C610 VCHARGE 56p C609 56p 8 9 56p C614 48 49 5 50 51 52 53 54 55 56 57 58 59 6 60 7 33 34 35 36 37 38 39 4 40 41 42 43 44 45 46 47 18 19 2 20 21 22 23 24 25 26 27 28 29 3 30 31 32 1 10 11 12 13 14 15 16 17 2V8_VEXT CN601 6 INOUT_B4 R603 100 5 G1 10 G2 1 INOUT_A1 INOUT_A2 2 3 INOUT_A3 INOUT_A4 4 INOUT_B1 9 8 INOUT_B2 INOUT_B3 7 56p ICVE21184E150R500F...

Page 108: ...5 26 27 28 29 3 CN101 1 10 11 12 13 14 15 L_DATA10 C_RST C_SCK SPK_RCV_P C_SDA LCD_RS LCD_WR L_SUB_LCD_CS L_MAIN_LCD_CS LCD_RESET L_DATA07 L_DATA06 L_DATA05 LCD_ID L_DATA16 L_DATA14 L_DATA12 C_CD01 C_CD02 C_CD03 C_CD04 C_CD05 C_CD06 C_CD07 MOTOR SPK_RCV_N BACK_BATT FLASH_LED MLED OLED_ON L_DATA11 L_DATA12 L_DATA13 L_DATA14 L_DATA15 L_DATA16 L_DATA17 C_MCLK L_DATA00 C_PCLK C_HS C_VS IFMODE MLED1 ML...

Page 109: ...GIC 42 A 5505 10 01 LG Electronics Inc MODEL 1 E A B C 2 3 4 5 GND KEY_COL0 KEY_COL1 KEY_COL2 M6100 SIDE 1 1 Ver C CAM_VOLUME_SIDEKEY_FPCB B 2 3 7 C D Section CAMERA 1 Iss Approved 1 DRAWING NAME DRAWING Designer Sheets 08 06 2005 9 5 4 6 DOWN A Checked Camera UP DOWN CN302 1 2 3 4 5 7 CIRCUIT DIAGRAM ...

Page 110: ... 111 8 PCB LAYOUT ...

Page 111: ... 112 8 PCB LAYOUT ...

Page 112: ... 113 KG245 8 PCB LAYOUT ...

Page 113: ... 114 KG245 8 PCB LAYOUT ...

Page 114: ...ion C Key Operation Use Up and Down key to select a menu and press select key to progress the test Pressing back key will switch back to the original test menu D Engineering Mode Menu Tree 9 ENGINEERING MODE Engineering Mode BB Test RF Test MF Mode Trace option Call Timer Camera LED Backlight Buzzer Vibrator ADC BATTERY Audio DAI Bluetooth SAR Test All auto test LED Backlight Buzzer Vibrator LCD K...

Page 115: ...d Backlight 1 Backlight on LCD Backlight and Keypad Backlight light on at the same time 2 Backlight off LCD Backlight and Keypad Backlight light off at the same time 3 Backlight value This controls brightness of Backlight When entering into the menu the present backlight value in the phone is displayed Use Left Right key to adjust the level of brightness The value of the brightness set at last wil...

Page 116: ...ECHARGE_LMT TEMP_LOW_LIMIT 9 1 7 Audio This is a menu for setting the control register of Voiceband Baseband Codec chip Although the actual value can be written over it returns to default value after switching off and on the phone 1 VbControl1 VbControl1 bit Register Value Setting 2 VbControl2 VbControl2 bit Register Value Setting 3 VbControl3 VbControl3 bit Register Value Setting 4 VbControl4 VbC...

Page 117: ... LCD Backlight is on for about 1 5 seconds at the same time then off 9 3 3 Buzzer This menu is to test the volume of Melody It rings in the following sequence Volume 1 Volume 2 Volume 3 Volume 0 mute Volume 4 Volume 5 9 3 4 Vibrator Vibrator is on for about 1 5 seconds 9 3 5 LCD 1 LCD Main LCD screen resolution tests horizontally and vertically one by one and fills the screen 2 SubLCD Sub LCD scre...

Page 118: ...ays total conversation time User cannot reset this value 2 Reset settings This resets total conversation time to this 00 00 00 3 DAI DOWNLINK Speech decoder test 4 DAI OFF DAI mode off 9 6 Fact Reset MENU 6 This Factory Reset menu is to format data block in the flash memory and this procedure set up the default value in data block Attention 1 Fact Reset i e Factory Reset should be only used during...

Page 119: ...COM port Baud rate 38400 Leave the rest as default values B Tx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Selecting APC a Select either Power level or Scaling Factor b Power level Input appropriate value GSM between 5 19 or DCS between 0 15 c Scaling Factor A Ramp Factor appears on the screen You may adjust the shape of the Ramp or directly input the values C...

Page 120: ...LONE TEST 121 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 HW test program ...

Page 121: ...10 STAND ALONE TEST 122 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...

Page 122: ...Current Calibration settings to setting file cal File F Load Setting Load saved Calibration setting File F Make BIN ALL Make binary file after calibration finished File F Make BIN BAT Cal only Make binary file of battery cal data only after calibration finished File F Make Write BIN Make binary file after calibration finished then download it to the Flash Memory View V Tools Enable or disable Tool...

Page 123: ...le loss Enter the RF cable loss GSM and DCS Screen GPIB Primary address Enter the SS Ag8960 and PS Tektronix PS2521G GPIB address Screen ADC Channel Default ADC Calibration Channel Screen Auto Calibration Item Default Calibration Settings about Tx Rx ADC and write BIN file ...

Page 124: ...onfig Table and temperature Config Table 11 7 Setting check com port and cable loss Select automatic calibration item If you uncheck one item calibration will stop from the unchecked item This is useful when you want to process only one item 11 8 How to do calibration A Connect cable between phone and serial port of PC B Connect Ag8960 equipment and Power Supply and phone C Set correct port and ba...

Page 125: ... 126 ...

Page 126: ...25 27 29 31 32 33 67 34 30 55 58 55 53 52 50 72 47 51 46 74 75 48 73 77 41 77 77 40 39 38 37 54 76 56 57 59 28 65 26 24 24 21 71 79 45 80 48 44 43 41 62 36 35 49 69 20 70 17 14 15 9 10 3 5 6 8 12 EXPLODED VIEW REPLACEMENT PART LIST 12 1 EXPLODED VIEW ...

Page 127: ... 128 ...

Page 128: ... MTAE00 TAPE WINDOW SUB MTAE0026801 14 5 MTAZ01 TAPE PROTECTION MTAB0106901 TAPE PROTECTION BRACKET INSIDE Blue 4 ACGH00 COVER ASSY FOLDER LOWER ACGH0041701 Dark Silver 5 MCJH00 COVER FOLDER LOWER MCJH0033401 Dark Silver 30 5 MFBC00 FILTER SPEAKER MFBC0021301 LOWER Black 28 5 MPBG00 PAD LCD MPBG0043701 Black 26 5 MPBJ00 PAD MOTOR MPBJ0032101 PAD MOTOR LOWER Black 5 MTAB00 MAGNET SWITCH MMAA0000601...

Page 129: ...PBZ0125601 PAD MIC Black 5 MSGB00 STOPPER HINGE MSGB0013301 Gray 36 5 MTAZ00 TAPE MTAZ0132001 STOPPER HINGE 62 4 GMEY00 SCREW MACHINE BIND GMEY0002001 1 4 mm 3 mm MSWR3 BK B HEAD t 0 6 HEAD d2 7 4 MCCH00 CAP SCREW MCCH0074601 Silver 33 4 MGAZ00 GASKET MGAZ0028601 GASKET SHIELD Gold 70 4 MHFD00 HINGE FOLDER MHFD0011801 31 4 MIDA00 INSULATOR LCD MIDA0019601 Blue 68 4 MIDA01 INSULATOR LCD MIDA0019701...

Page 130: ...lue 4 MTAB00 TAPE PROTECTION MTAB0100601 SIDE_KEY Blue 51 4 MTAC00 TAPE SHIELD MTAC0034701 73 3 MCCE00 CAP RECEPTACLE MCCE0026501 Silver 47 3 MCCF00 CAP MOBILE SWITCH MCCF0033201 Dark Silver 28 3 MKAZ00 KEYPAD MKAZ0027401 Dark Silver 5 MIDZ00 INSULATOR MIDZ0098901 5X10 BLUE 0 05t Blue 5 MIDZ01 INSULATOR MIDZ0086601 INSULATOR PCB TOP Blue 78 5 MIDZ02 INSULATOR MIDZ0096801 PCB 2 Blue 80 5 MIDZ03 INS...

Page 131: ...501 ASSY 8 ohm 90 dB 16 mm 3 7T 21 4 SVCY00 CAMERA SVCY0009501 CMOS VGA Omnnivision 1 6 25 4 SVLM00 LCD MODULE SVLM0017801 MAIN M_128 160 S_96_64 M_33 8 46 24 4 0 262k TFT TM M_LGDP4511 S_LGDP4213 S_PM OLED 65K 24 4 BATTERY CELL LITHIUM SBCL0001303 2 V 1 mAh COIN SOLDER TYPE BACKUP BATTERY 3 ACGM00 COVER ASSY REAR ACGM0068601 Black 4 ENZY00 CONNECTOR ETC ENZY0013201 2 PIN 3 mm ETC H 6 5 72 4 SNGF0...

Page 132: ...04904 1 uF 6 3V K X5R TC 1005 R TP 6 C115 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C116 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C117 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C118 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C119 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C120 CAP CERAMIC CHIP ECCH0000122 47 ...

Page 133: ...16 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C217 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C218 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C219 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C220 CAP CERAMIC CHIP ECCH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C221 CAP CERAMIC CHIP ECCH0007801 4 7 uF 10V Z Y5V HD 1608 R TP 6 C222 CAP C...

Page 134: ...318 CAP CHIP MAKER ECZH0001211 220 nF 10V Z Y5V HD 1005 R TP 6 C319 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C320 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C321 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C322 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C323 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C325 CA...

Page 135: ...P 6 C429 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C430 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C431 CAP CHIP MAKER ECZH0000826 27 pF 50V J NP0 TC 1005 R TP 6 C432 CAP CHIP MAKER ECZH0000816 12 pF 50V J NP0 TC 1005 R TP 6 C433 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C434 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C435 CAP CERAM...

Page 136: ...04904 1 uF 6 3V K X5R TC 1005 R TP 6 C601 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C602 VARISTOR SEVY0005201 5 5 V SMD 1005 50pF 6 C603 VARISTOR SEVY0005201 5 5 V SMD 1005 50pF 6 C604 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 C605 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C606 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C607 CAP CERAMIC CHIP E...

Page 137: ...CHIP ELCH0001049 6 8 nH J 1005 R TP PBFREE 6 L405 INDUCTOR CHIP ELCH0005005 27 nH J 1005 R TP 6 L406 INDUCTOR CHIP ELCH0001031 15 nH J 1005 R TP PBFREE 6 L407 INDUCTOR CHIP ELCH0001054 5 6 nH S 1005 R TP PBFREE 6 M201 IC EUSY0239102 6 9 7 9 1 5 mm 28 PIN R TP Bluetooth Module v1 2 26MHz For GSM 6 Q101 TR FET P CHANNEL EQFP0004201 2 9 1 9 0 8 t 7 W 20 V 6 A R TP NDC652P upgrade substitution item Pb...

Page 138: ...30 ohm 1 16W J 1005 R TP 6 R229 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R230 RES CHIP ERHY0000257 6 8K ohm 1 16W J 1005 R TP 6 R232 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R233 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R234 RES CHIP ERHY0000267 24K ohm 1 16W J 1005 R TP 6 R235 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R236 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 ...

Page 139: ... 47 ohm 1 16W J 1005 R TP 6 R364 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R365 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R366 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R367 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R368 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R369 RES CHIP ERHY0000265 20K ohm 1 16W J 1005 R TP 6 R370 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 ...

Page 140: ...005 R TP 6 R605 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R606 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 SW400 CONN RF SWITCH ENWY0002301 ANGLE SMD 0 8 dB 6 U101 IC EUSY0169301 148 TERMINAL BGA 148 PIN R TP GSM ANALOG BASEBAND TYPHOON B Pb Free 6 U102 IC EUSY0181504 CSP BGA 204 PIN R TP AD6527 w USB 6 U201 IC EUSY0204801 SC82 AB SC70 4 4 PIN R TP 80mA CMOS LOW IQ LDO VOLTAGE REGULATO...

Page 141: ...04904 1 uF 6 3V K X5R TC 1005 R TP 6 C303 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C304 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C305 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C306 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C307 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C308 CAP CERAMIC CHIP ECCH0004904 1 uF...

Page 142: ...m 1 16W J 1005 R TP 6 R303 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R304 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R305 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R306 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R307 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R308 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R309 RES CHIP ERHY0000209 27 ohm 1 16W J 1005 R TP 6 R310 RE...

Page 143: ...IP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 R510 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 U504 IC EUSY0129501 SC 74A 3 PIN R TP HALL EFFECT SWITCH Pb Free 6 VA301 VARISTOR SEVY0000702 14 V 10 SMD 6 VA302 VARISTOR SEVY0000702 14 V 10 SMD 6 VA303 VARISTOR SEVY0000702 14 V 10 SMD 6 VA305 VARISTOR SEVY0000702 14 V 10 SMD 6 VA306 VARISTOR SEVY0000702 14 V 10 SMD 6 VA307 VARISTOR SEVY0000702 14 ...

Page 144: ... MHBY00 HANDSTRAP MHBY0000404 Hand Strap 135mm Black 3 SBPL00 BATTERY PACK LI ION SBPL0077901 3 7 V 830 mAh 1 CELL PRISMATIC FG101 RUSSV423450 Innerpack 3 SGDY00 DATA CABLE SGDY0004401 DK 20G G7000 Cable bulk 3 SGEY00 EAR PHONE EAR MIKE SET SGEY0003204 L1200 MONO TYPE 3 SSAD00 ADAPTOR AC DC SSAD0007828 100 240V 60 Hz 5 2 V 800 mA CE CB GOST EU PLUG 24P STD 3 WSAY00 SOFTWARE APPLICATION WSAY0041401...

Page 145: ...Note ...

Page 146: ...Note ...

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