LG MG220 Service Manual Download Page 39

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3. H/W Circuit Description

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3.5.15. Audio Circuit

Microphone circuits

When a call is established, MICBIAS signal goes up to ‘2.5V’ in the MG220. IOTA(ABB) provides both

2.0V and 2.5V for MICBIAS to circuit designer. VA202, VA203 are employed to enhance ESD

immunity. Main Mic Circuit is same Upper MIC

MICROPHONE

27p

C228

0.1u

C227

27p

C231

27p

C232

R223

C225

1uF

R221

2.4K

C230

0.1u

VA202

27p

C229

4.7u

C226

R224

R222

R220

VA203

MIC200

1
2

OSF213-42DC

MICN

MICP

MICBIAS

Figure 19. Microphone system

Z3X-BOX.COM

Summary of Contents for MG220

Page 1: ...Date May 2006 Issue 1 0 Service Manual MG220 Service Manual Model MG220 Z 3 X B O X C O M ...

Page 2: ...Furthermore LGE Inc reserves the right without notice to make changes to equipment design as advances in engineering and manufacturing methods warrant This manual provides the information necessary to install program operate and maintain the MG220 REVISED HISTORY DATE ISSUE CONTENTS OF CHANGES S W VERSION Z 3 X B O X C O M ...

Page 3: ... 2 Z 3 X B O X C O M ...

Page 4: ... 4 5 Power On Trouble 48 4 6 Charging Trouble 49 4 7 LCD Display Trouble 51 4 8 Camera Trouble 53 4 9 Receiver Trouble 55 4 10 Microphone Trouble 59 4 11 Vibrator Trouble 62 4 12 Keypad Backlight Trouble 64 4 13 Folder ON OFF Trouble 66 4 14 SIM Detect Trouble 68 4 15 Earphone Trouble 70 4 16 RF Rx pass Trouble Shooting 74 4 17 RF Tx pass Trouble Shooting 81 5 DOWNLOAD 89 5 1 Download Setup 89 5 2...

Page 5: ...Z 3 X B O X C O M ...

Page 6: ...ble 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 done C Changes ...

Page 7: ...ical 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 board they s...

Page 8: ...P Digital Signal Processing EEPROM Electrical Erasable Programmable Read Only Memory EL Electroluminescence 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 Drop Output...

Page 9: ...ck FEM Front End Module SIM Subscriber Identity Module SLR Sending Loudness Rating SRAM Static Random Access Memory 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 Oscillator WAP Wireless Application Pr...

Page 10: ... 3 GSM850 TX 824 849 MHz GSM850 RX 869 894 MHz EGSM TX 880 915MHz Frequency Range EGSM RX 925 960MHz DCS TX 1710 1785 MHz DCS RX 1805 1880 MHz PCS TX 1850 1910 MHz PCS RX 1930 1990 MHz WAP 2 0 Yes Application Standard MMS Yes JAVA MIDP v2 0 MG220 Digital Baseband Calypso AMR C035 D751992GHH Analog Baseband IOTA TWL3025 RF Chip Aero 2 SI4210 MG220c EGSM DCS PCS MG220d GSM850 DCS PCS MG220c EGSM DCS...

Page 11: ... hours Paging Period 6 Charging time Below 3 0 hours Power Off 830mAh Talk time Talk time Min 3hr 30 min Power Level 7 830 mAh Min 6hr Power Level 12 RX sensitivity GSM 850 105 dBm EGSM 105 dBm DCS 105 dBm PCS 105 dBm TX output power GSM 850 32 0 dBm EGSM 32 0 dBm Class4 GSM850 EGSM DCS 29 dBm PCS 29 dBm Class1 DCS PCS GPRS compatibility GPRS Class 10 SIM card type Plug In SIM 3V MAIN LCD 65K Colo...

Page 12: ...ronization No CDROM Memory Flash 128Mbit SRAM 64Mbit AMD Speech coding FR EFR HR AMR Data Fax Built in Data Fax support Vibrator Built in Vibrator MIDI for Buzzer 40 Poly Buzzer Function By Using Function MIDI IC Voice Recording Yes Travel Adapter Yes Ear Microphone Data Cable Options Cigarette Lighter Adapter Data Cable Z 3 X B O X C O M ...

Page 13: ...ck Access Mode Schedule Ring Tone Phonebook GPRS PC Sync Schedule Phonebook SMS MS Scheduler Outlook Speed Dial Yes 2 9 Voice mail center 1 key Profile Yes CLIP CLIR Yes Phonebook 3 Number 1 Memo 1 e mail Phone Up to 255 entries Last Dial Number Yes 20 Last Received Number Yes 20 Last Missed Number Yes 10 Search Number Name Yes Group 7 User Editor Fixed Dial Number Yes Voice Memo 30 secs 3 Call Re...

Page 14: ...Browser WAP 2 0 Java CLDC 1 1 MIDP 2 0 Wall Paper Yes Max 10 preset Download Melody Over the WAP Wallpaper MMS Long Message Max 918 Character 6page 153 Cell Broadcast Yes Calendar Yes Memo 20 World Clock Yes Unit Convert Length Surface Volume Weight Fax Data Yes SIM Lock Yes Operator Dependent SIM Toolkit Class 1 2 3 Phone lock Yes Security DRM Forward lock only CPHS Yes IM Yes Z 3 X B O X C O M ...

Page 15: ...our differential input LNAs that are matched to the 200 Ohm balanced output SAW filters through external LC matching networks A quadrature image rejection mixer downconverts the RF signal to a 200kHz intermediate frequency IF with the RFLO from the frequency synthesizer The mixer output is amplified with an analog programmable gain amplifier PGA and quadrature IF signal is digitized with high reso...

Page 16: ...switch either TX or RX path on Front End Module FL500 is an antenna switch module for Quad band phone The logic and current is given below Table 3 2 ADC ADC ADC ADC Digital Filter Digital Filter DAC DAC DAC DAC LOW IF LOW IF D I P D I P GSM 850 DCS FL500 Front End Module 26MHz I Q U501 Si4210 VCO FREQUENCY SYNTHESIZER VCO FREQUENCY SYNTHESIZER 0 90 0 90 PGA PGA X500 VC TCXO GSM 850 DCS PCS LNA Bas...

Page 17: ...F Programming the N Divider register for either RF1 or RF2 automatically selects the proper VCO Transmit modes should always use f 200kHz The IF and RF output frequencies are set by programmi ng the N Divider registers and also programmed via 3 wire interface with external system controler Serial I O Serial I O Baseband TI U100 IOTA U101 Calypso Baseband TI U100 IOTA U101 Calypso U501 Si4210 RF1 R...

Page 18: ...d directly to the RF power amplifiers The peak output power and the profile of the transmitted burst are controlled by means of incorporated pow er control circuits inside of PA and DAC output from the Base band Controller The PA outputs pass to the antenna connector via Front End Module DET DET 2 2 1 1 2 2 IF PLL IF PLL I Q Baseband TI U100 IOTA U101 Calypso Baseband TI U100 IOTA U101 Calypso PA_...

Page 19: ...rcuit On board power control provides over 37 dB of control range with an analog voltage input Vramp Efficien cy is 60 at GSM and 55 at DCS PCS 3 3 2 26MHz Clock The 26 MHz clock consists of a TCXO Temperature Compensated Crystal Oscillator which oscillates at a frequency of 26 MHz It is used within the Si4210 RF Main Chip BB Analog chip set IOTA Digita l chip set Calypso Figure 5 VC TCXO Circuit ...

Page 20: ...regulator U502 is used to provide DC power to RF part Every RF component except power amp module uses this external regulator Figure 6 External regulator Circuit U502 R1114D281D TR F CE 6 2 GND1 5 GND2 NC 4 VDD 1 3 VOUT 1u C523 RF2 85V C524 1000p VBAT 1u C521 RF_EN Z 3 X B O X C O M ...

Page 21: ...ies a Micro Controller core with emulation facilities ARM7TDMIE internal 8Kb of Boot ROM memory 4M bit SRAM memory a clock squarer cell several compiled single port or 2 ports RAM and CMOS gates The chip will fully support the Full Rate Enhanced Full Rate and Half Rate speech coding CALYPSO implements all features for the structural test of the logic full SCAN BIST PMT JTAG boundary SCAN Figure 7 ...

Page 22: ... UART_IRDA with IRDA control capabilities SIR Software flow control UART mode UART 16C750 interface UART_MODEM with Hard ware flow protocol DCD CTS RTS Auto baud function SIM Interface TPU Time Processing Unit Processing for GSM time base TSP Time Serial Port GSM data interface with RF and ABB Memory Interface External Internal Memory Interface nCS0 FLASH1 16bit access 3 wait state nCS1 FLAHS2 16b...

Page 23: ... RF main Chip Control Data TSPDI IO 4 GPIO4 TSPEN0 ABB ABB Control Data Enable Signal TSPEN1 STROBE STROBE Control Data Enable Signal TSPCLKX CLK CLK Control Data Enable Signal TPU Parallel Port TSPACT0 _PDNB RF main Chip Reset Signal TSPACT1 PA_ON Power Amp ON signal TSPACT2 PA_BAND Power Amp band selection signal TSPACT3 ANT_SW1 FEM control signal TSPACT4 ANT_SW2 FEM control signal Table 3 4 RF ...

Page 24: ...erence clock SIM_RST SIM card async sync reset SIM_IO SIM card bidirectional data line SIM_PWCTRL SIM card power activation SIM_CD SIM card presence detection 3 4 5 UART Interface MG220 has two UART Drivers as follow UART Hardware Flow Control Fax Data Modem SIM_IO SIM_CLK SIM_RST SIM_PWRCTRL SIM_CD DBB ABB VRSIM DBBSIO DBBSCK DBBSRST SIMCLK S IMIO SIMRST SIM VPP CLK IO RST V_IO 22p 100k V_SIM 0 1...

Page 25: ...4 UART MODEM UART1 Resource Name Description TX_MODEM TXD Transmit Data RX_MODEM RXD Receive Data CTS_MODEM CTS Clear To Send RTS_MODEM RTS Request To Send GPIO 3 DSR Data Set Ready Table 3 5 UART Interface spec Z 3 X B O X C O M ...

Page 26: ...ignal Processing Auxiliary RF converters Five channel analog to digital converters ADC Table 3 6 GPIO Map Table I O Application I O Resource State Inactive State Active State I O 0 FOLDER O GPIO LOW CLOSE HIGH OPEN I O 1 MELODY_INT I GPIO HIGH LOW I O 2 SPK_PHN_EN O GPIO LOW MIDI sound HIGH SPK phone I O 3 DSR Note 1 I GPIO HIGH LOW I O 4 LCD_BACKLIGHT O GPIO LOW LCD B L Off HIGH SET B L On I O 5 ...

Page 27: ...rgeted core general I O memory I O SIM I O High voltage 20V Li Ion or Ni MH battery charging control Voltage detectors with power off delay Voice Codec 3 H W Circuit Description 26 Figure 9 Top level block diagram of the IOTA TWL3025 Z 3 X B O X C O M ...

Page 28: ...nterface for eventual baseband modulation In the voice downlink VDL path the codec circuitry changes voice component data received from the voice serial interface VSP into analog audio The voice codec supports an 8 16 kHz sampling frequency The stereo audio path converts audio component data received from the I2S serial interface into analog audio The following paragraphs describe these uplink dow...

Page 29: ...ed as differential inputs of the microphone amplifier the microphone input terminals are then set to a high impedance state and a biasing voltage can be available on the HSMICBIAS or MICBIAS terminal The resulting fully differential signal is fed to the analog to digital converter ADC which is determined by the value of the internal voltage reference The analog to digital conversion is performed b...

Page 30: ... generate a 4 bit 9 level over sampled signal This signal is then passed through a dynamic element matching block and then to a 4 bit digital to analog converter DAC Due to the over sampling conversion the analog signal obtained at the output of the 4 bit DAC is mixed with a high frequency noise Because a 4 bit digital output is used a first order RC filter included in the output stage is enough t...

Page 31: ...a air BDL process is opposite procedure of BUL Namely it performs GMSK demodulation with input analog I Q signal from RF section and then transmit it to DSP of DBB chip with 270 833kHz data rate through BSP 3 5 6 Voltage Regulation VREG There are 7 LDO Low Drop Output regulators in ABB chip The output of these 7 LDOs are as following table Figure14 shows the power supply related blocks of DBB ABB ...

Page 32: ...3 H W Circuit Description 31 Figure 14 Power Supply Scheme Z 3 X B O X C O M ...

Page 33: ... Core of DBB VRIO 2 8V Peripheral devices VRMEM 2 8V External memory VRRAM 2 8V LCD peripheral devices VRABB 2 8V Analog Block of ABB VRSIM 2 85V SIM card driver VRRTC 1 5V RTC 32kHz crystal ADC 8 Channels Resource Name Description VCHG VCHG VBAT VBAT Charging Management ICHG ICHG VBACKUP VBACKUP Backup Battery ADCIN1 ADIC1 PCB_Revision ADCIN2 BATT_TEMP Battery Detect ADCIN3 TEMPSENSE Temperature ...

Page 34: ... 500mA 6 CV voltage 4 2V 7 Cutoff current 100mA 8 Full charge indication current icon stop current 100mA 9 Recharge voltage 4 16V 10 Low battery alarm a Idle 3 62V b Dedicated 3 50V 11 Low battery alarm interval a Idle 3min b Dedicated 1min 12 Power off voltage without TA 3 35V Power off voltage with TA 2 80V 13 Charging temperature ADC range a 5 C small charging operation b 5 C 50 C charging c 50...

Page 35: ...en a falling edge is detected on RPWON pin IT_WAKE_UP When a rising edge is detected on RTC_ALARM pin CHARGER_IC When a charger voltage is above VBAT 0 4V on VCHG 3 5 10 Memories MG220 using 128Mbit Flash 64Mbit SRAM with 16 bit parallel data bus thru ADD01 ADD22 3 5 11 Display FPCB Interface LCD module include MAIN LCD 128 128 65 000 Color STN LCD SUB LCD 96 64 Mono LCD Backlight White LED illumi...

Page 36: ...mera Sensor Analog Power 22 C_PWDN Camera Sensor Power Down Pin 23 C_MCLK Camera Sensor MCLK 24 C_PCLK Camera Sensor PCLK 25 C_HS Camera Sensor HS 26 C_VS Camera Sensor VS 27 C_SDA Camera Sensor SDA 28 C_SCK Camera Sensor SCK 29 C_RST Camera Sensor Reset 30 GND Ground 31 GND Ground 32 C_CD7 Camera Sensor Data 33 C_CD6 Camera Sensor Data 34 C_CD5 Camera Sensor Data 35 C_CD4 Camera Sensor Data 36 C_...

Page 37: ...R3 7 8 9 F2 VOL_DOWN KBR4 STAR 0 SHARP SEND F3 Table 3 10 Keypad Map Figure 16 Keypad Scanning Scheme KEYPAD 7 3 VA405 VA403 VA402 680 R411 680 R410 R405 680 R407 680 R413 680 4 CLEAR 680 R412 OK F3 9 8 VA401 VA404 VA400 CN400 1 2 5 6 680 R402 680 R401 680 R400 F2 END 1 2 SHUT UP DOWN 680 R409 0 680 R408 STAR LEFT RIGHT SEND SHARP CN401 1 2 3 F1 KBR 0 PWON KBC 0 5 KBC 0 KBC 1 KBC 2 KBC 3 KBC 4 KBR...

Page 38: ... light Scheme KEY BACKLIGHT 200 R430 200 R429 LD402 LD401 200 R422 200 R421 LD403 LD412 R432 20 200 R431 20 R418 R417 200 LD400 VBAT 200 R426 200 R425 LD413 LD411 LD408 LD407 LD404 LD406 LD405 VA407 LD410 LD409 R424 200 200 R423 200 R420 R419 200 R428 200 200 R427 KEY_BACKLIGHT Figure 18 LCD Back light Scheme CHARGE PUMP 1u C802 C803 1u 1u C800 R804 1K VBAT 1u C801 100K R805 51 R802 51 R803 51 R80...

Page 39: ...both 2 0V and 2 5V for MICBIAS to circuit designer VA202 VA203 are employed to enhance ESD immunity Main Mic Circuit is same Upper MIC MICROPHONE 27p C228 0 1u C227 27p C231 27p C232 10 R223 C225 1uF R221 2 4K C230 0 1u VA202 27p C229 4 7u C226 R224 1K 10 R222 R220 1K VA203 MIC200 1 2 OSF213 42DC MICN MICP MICBIAS Figure 19 Microphone system Z 3 X B O X C O M ...

Page 40: ...s hook detect signal set and If the level of ADIN1 is 0 14V 1 60V the pin mean jack detect signal set Also call end has same mechanism by pushing hook button on the Ear microphone strap Ordinarily detection of pushing hook button is established by signal de bouncing for about 20ms Figure 20 Ear Jack interface Ear jack R208 1K C218 10u 68p C221 22K R219 4 7 R216 C216 10u J200 1 2 3 4 5 C223 27p 47K...

Page 41: ...mplifier and bus boost circuit are integrated External output amplifier is integrated PLL is integrated Master clock input up to 27 MHz is available TCXO available 16 bit stereo D A converter is integrated 40 POLY MELODY CHIP R201 33K 47p C206 R206 0 1000p C210 C212 0 1u C211 0 1u VBAT C204 47p R204 3 3K R203 120K _WR 32 2 LED MTR 19 NC 5 6 PLLC SPOUT1 17 SPOUT2 18 SPVDD 15 16 SPVSS VDD 7 VREF 9 8...

Page 42: ... the SPK_PHN_EN port will remain L state and RCV_P will be connected with receiver path RCV_SPK_P NC2 on dual analog switch COMMON MODE SPEAKER DISTRIBUTOR 20 R207 VBAT 0 1u C208 20 R205 100p C213 NO 6 2 V DG2011DX T1 E3 U201 COM 5 3 GND IN 1 4 NC V_IO C205 100p 0 1u C201 COM1 C3 COM2 A3 GND B1 IN1 C2 IN2 A2 NC1 C1 NC2 A1 NO1 C4 NO2 A4 V B4 NLAS4684FCT1G U200 47p SPK_PHN_EN RCV_SPK_N RCV_SPK_P RCV...

Page 43: ... driver related signals bypass it as if it does not exist at all in the system General description of MV3018SAQ Camera chipset External Clock Source Up to 24 MHz Support Standard SRAM Interface 6bit Address 16bit Data for CPU Interface 1 Mbit SRAM Support LCD Signal By pass Mode Support three General Port IO 8 x 8 81pin CABGA Package Figure 23 Camera Circuit Block Diagram Z 3 X B O X C O M ...

Page 44: ...IO3 C7 C2 GPIO6 B2 GPIO7_MD17 GPIO8_MD16 B1 HREF A9 K6 LCS1 L6 LCS2 E10 CVDD2 L4 CVDD3 CVDD4 L7 DI0 A3 B4 DI1 A4 DI2 DI3 B5 DI4 A5 B6 DI5 A6 DI6 DI7 B7 DVSS1 A7 DVSS10 L5 DVSS11 M5 M8 DVSS12 DVSS2 B3 MV3018SAQ U701 F10 AVSS G10 CLKI H10 CLKO C6 CVDD1 0 1u C705 0 R702 TP702 4 7u C710 TP705 TP701 0 1u C700 C707 _MAIN_CS CAM_RESET A 2 A 1 0 1u LCD_D 9 LCD_D 8 LCD_D 7 LCD_D 6 LCD_D 5 LCD_D 4 LCD_D 3 L...

Page 45: ...01 1 IN1 IN2 2 IN3 3 IN4 4 5 IN5 6 IN6 7 IN7 IN8 8 16 OUT1 2 IN3 3 IN4 4 IN5 5 6 IN6 7 IN7 IN8 8 16 OUT1 15 OUT2 14 OUT3 OUT4 13 OUT5 12 11 OUT6 OUT7 10 9 OUT8 PGND 17 FL804 1 IN1 IN2 10u C804 R807 2 2K C805 2V8_BE 1u C807 0 1u 2V8_CAM IN5 5 6 IN6 7 IN7 IN8 8 16 OUT1 15 OUT2 14 OUT3 OUT4 13 OUT5 12 11 OUT6 OUT7 10 9 OUT8 PGND 17 FL803 1 IN1 IN2 2 IN3 3 IN4 4 16 OUT1 15 OUT2 14 OUT3 OUT4 13 OUT5 12...

Page 46: ...4 TROUBLE SHOOTING 45 4 TROUBLE SHOOTING 4 1 Main Components Placement Z 3 X B O X C O M ...

Page 47: ... FPCB Components Placement 4 3 Baseband Components 4 TROUBLE SHOOTING 46 VIBRATOR RECEIVER SPEAKER LCD Module LCD_40PIN FPCB 60PIN FPCB Backup Battery LCD Module VIBRATOR RECEIVER SPEAKER Z 3 X B O X C O M ...

Page 48: ...LCD connector J200 Ear Mic jack U400 LCD Back Light LED charge pump SW500 RF Mobile switch U501 RF Trnaceiver FL500 Quad FEM U500 Power Amplifier Module U100 Analog Base Band IOTA X500 XTAL 26MHz X100 XTAL 32 768KHz U202 MIDI chip 40poly U200 DUAL SPDT ANALOG SWITCHES J600 SIM Connector U303 Memory Flash 128Mbit SRAM 64Mbit Microphone CN600 IO connector Digital Base Band Calypso U101 Memory Flash ...

Page 49: ... it resets Calypso 4 5 2 Check Points Battery Voltage Power On Key Detection PWON signal Outputs of LDOs 4 5 3 Trouble Shooting Setup Connect PIF UNION to the phone Set the TI remote switch PIF UNION off 4 5 4 Trouble Shooting Procedure Check Battery voltage END_KEY Dome Switch condition Check the output voltages of all LDOs 4 TROUBLE SHOOTING 48 VA400 680 R400 END PWON Z 3 X B O X C O M ...

Page 50: ... current 500mA 20 C 60 C charging Cutoff current 100mA 60 C not charging operation small charging operation Low battery alarm Idle 3 60V Dedicated 3 50V Block Diagram 3 72V 3 62V 4 2V 3 93V 3 92V 3 79V 3 79V 3 72V 2012 CHARGING BLOCK D600 CUS02 0 2 R620 5 D1 D2 2 1 D3 3 G 4 S1 6 S2 NDC652P U600 22n C602 15 R619 VBAT R617 100K C601 4 7u 4 7u C600 10u VCHG C605 ICTL VCCS VBATS PCHG Charging Current ...

Page 51: ...ector Charging Current Path Check the charging current path Battery Check the battery 4 TROUBLE SHOOTING 50 START I O Connector CN600 Is well soldered Voltage at pin 4 6 of U600 5 2V U600 D600 R620 Is well soldered Voltage across R620 Is about 10 100mV Re_solder the CN600 Battery ok Charge is operating properly The TA is out of order Change the TA Re_solder U600 D600 R620 Replace U600 D600 Change ...

Page 52: ...1 L_D 0 L_D 15 IFMODE Check Points The Assembly status of the LCD Module The Soldering of connectors The FPCB which connects the LCD module with the main board BackEND IC Soldering Trouble Shooting Setup Connect PIF and power on Check soldering around connector LCD CONNECTOR FPCB 40Pin LCD Connect Check BackEND IC Z 3 X B O X C O M ...

Page 53: ...No Reconnect LCD Module Yes MAIN CN800 FPCB CN1 CN2 is soldered well No Re_solder the MAIN CN3 FPCB CN1 CN2 Yes Paths of LCD control signals are OK No Re_solder FL800 FL801 FL802 After changing the board LCD Display is OK No The board is broken Change the board LCD Module is out of order Change the LCD Module Yes Yes Z 3 X B O X C O M ...

Page 54: ...4 TROUBLE SHOOTING 53 4 8 Camera Trouble SETTING Connect PIF and remote switch ON at PIF U702 CN800 FPCB connector U700 Z 3 X B O X C O M ...

Page 55: ...the voltage of Pin3 of U702 is 2 85V No Re_solder U702 Is the connection of FPCB with CN2 connector on PCB OK No Check the Soldering of FPCB CN1 on PCB No Yes Yes Check the soldering of serial resisters of FPCB CN2 No Resodler FPCB CN2 Re_solder the resisters Yes Does the image appears on LCD No Change the camera module Camera will work properly Resodler FPCB CN1 Z 3 X B O X C O M ...

Page 56: ..._P From ABB RCV_N RCV_P are delivered to Receiver Check Points Audio signals from ABB Audio signals to the receiver Audio signal path Check the sound level to the speaker Soldering of connectors speaker and receiver Speaker Receiver Block Diagram Calypso U101 IOTA U100 YMU762 U202 Control RCV_P RC filter Analog SW U201 SPKP SPKN SPK_PHN_EN RECEIVER SPEAKER Analog SW U200 RCV_SPKP RCV_SPKN RCV_N Z ...

Page 57: ...the soldering of the connector Check the soldering of the receiver Check the receiver Check receiver cable states Speaker Trouble Shooting Setup Connect PIF to the phone and power on Enter the engineering mode and go to menu Baseband Alert Ring Trouble Shooting Procedure Check the voltage levels of power supplies Check all sound path Check the sound level to the speaker Check the speaker and the s...

Page 58: ...ge it Yes No Re_solder the cable Does sine wave appear atR823 R824 Soldering between cable and board is OK Cables of receiver are OK Change the receiver No Trouble No Yes Yes Set audio part at test equipment as PRBS or continuous wave not echo Set the audio volume max Connection between FPCB and CN800 is OK No Reconnect FPCB to CN800 Yes Z 3 X B O X C O M ...

Page 59: ...er MIDI OK SPK_PHN_EN signal is high No ABB is out of order Change the board Enter into Engineering Mode and go to menu Baseband Alert Ring Connection between FPCB and CN800 is OK Yes No Reconnect FPCB to CN800 Paths of U202 signals are OK No Change the board Does sine wave appear at R200 No Change the YMU762 Yes Yes Yes Change the U200 SPK_PHN_EN Operating 0 Receiver Only 1 MIDI or SPK mode Z 3 X...

Page 60: ...crophone Trouble Circuit Diagram MICROPHONE 27p C228 0 1u C227 27p C231 27p C232 10 R223 C225 1uF R221 2 4K C230 0 1u VA202 27p C229 4 7u C226 R224 1K 10 R222 R220 1K VA203 MIC200 1 2 OSF213 42DC MICN MICP MICBIAS Z 3 X B O X C O M ...

Page 61: ...p Trouble Shooting Procedure Initialize GSM MS test equipment Check the bias of the microphone Connect PIF UNION to the phone and power on Check the audio signal path Make a test call to Any number Check the soldering Make a sound in front of the microphone Check the microphone Check the operation of FPCB MICP MICN The waveforms at MICP and MICN AC voltages of the signals MIC Bias R221 MICN MICP Z...

Page 62: ...rder Change the MIC No ABB is out of order Change the board YES Re_solder the R220 C225 C226 and R221 The soldering of R220 C225 C226 and R221 is OK Yes No Soldering between MIC and Board is OK Re_solder the MIC No Yes No Connect the handset to network equipment and setup call Check the signal level at pin 1 2 of the MIC after putting audio signal into the MIC Z 3 X B O X C O M ...

Page 63: ...vibrator module The soldering of socket The Vibrator t 2 7mm Trouble Shooting Setup Trouble Shooting Procedure Connect PIF to the phone and power on Check vibrator signal Enter the engineering mode Check soldering of components Go to menu Baseband Alert Vibrator Check connection of cable to socket VIBRATOR 1u C402 SUY98005LT1G 2 GND VIN 1 VOUT 3 Q400 100nH L400 R404 12 R403 1 5K R406 100K MOTOR VI...

Page 64: ...s OK No Signal of pin3 of Q400 is OK Vibrator is out of order Change the Vibrator Voltage of R403 is 2 8V No Yes Change the Q400 Not connection Change the Vibrator Yes Enter into Engineering Mode and select Vibrator Check the soldering of R404 Re_solder R404 Change the Q400 No Yes Z 3 X B O X C O M ...

Page 65: ...neering mode Go to menu Baseband LED Backlight Keypad on Trouble Shooting Procedure Check the soldering of components Check the LEDB signal Check LEDs Check Points LEDB signal LEDs KEY BACKLIGHT 200 R430 200 R429 LD402 LD401 200 R422 200 R421 LD403 LD412 R432 20 200 R431 20 R418 R417 200 LD400 VBAT 200 R426 200 R425 LD413 LD411 LD408 LD407 LD404 LD406 LD405 VA407 LD410 LD409 R424 200 200 R423 200 ...

Page 66: ...older the path of LED and Resistor The Voltage Of LEDB signal is about 0V Is there anything that resistor value across LED is under 10 No Yes The path is OK The LED is out of order Change the LED Yes ABB is out of order Change the Board Enter into Engineering Mode and select Keypad On Power off and Measure the Resistor Value of all LEDs No Z 3 X B O X C O M ...

Page 67: ... U400 the voltage at pin1 of U400 goes to 0V Otherwise V_IO This Folder signal is delivered to DBB and the status of Folder is reported Slide Signal Status L Down Magnetized H Up Not magnetized FOLDER SWITCH GND1 3 4 GND2 NC1 2 NC2 5 OUTPUT 1 7 PGND VDD 6 A3212EEH T U400 C400 0 1u EVL5M02200 VA406 V_IO C401 0 1u V_IO 0 R416 51K R415 0 R414 FOLDER FOLDER_INT Z 3 X B O X C O M ...

Page 68: ...en Change the board Caution If use PIF jig the remote switch is turned off Re_solder the R415 Folder ON status Not magnetized No Re_solder the U400 The all paths connected to U400 are OK Slide Sensor Operating OK No No Main LCD Operating Recombine of Magnetic Yes Z 3 X B O X C O M ...

Page 69: ...cket Trouble Shooting Setup Insert the SIM into socket Connect PIF to the phone and power on Trouble Shooting Procedure Check the power supply Check the soldering of SIM socket Check the SIM SIM CONNECTOR VCC 1 VPP 5 V_SIM V_SIM J600 CLK 3 4 GND1 GND2 7 8 GND3 9 GND4 GND5 10 6 IO 2 RST 0 1u C607 150p C608 10K R621 C606 22p SIM_IO SIM_CLK SIM_RST Z 3 X B O X C O M ...

Page 70: ...No SIM card is broken Change the SIM Card Yes The soldering of SIM connector is OK The ABB IOTA is broken Change the board The all paths connected to J600 are OK Insert the SIM Card When SIM insert that V_SIM Voltage is 2 85V No Change the ABB Yes Replacement SIM Card is OK No SIM Oprating OK Yes Z 3 X B O X C O M ...

Page 71: ...ne R215 C219 L200 and R216 make the path of the audio signal from the microphone of the earphone This audio signal is delivered to ABB IOTA Earphone Receiving Path ABB_HSO is the audio signal from ABB IOTA C218 R212 and R214 make the path of the audio signal from ABB to earphone Ear jack R208 1K C218 10u 68p C221 22K R219 4 7 R216 C216 10u J200 1 2 3 4 5 C223 27p 47K R211 0 R215 R213 22 V_IO R209 ...

Page 72: ...4 Does the Audio profile change to the earphone mode The ABB is out of order Change the board 2 Sending Path problem Yes Soldering of J200 is OK Re_solder the J200 Yes The earphone is OK Change the Earphone Yes cf PRBS Pseudo Random Bit Sequence Insert the earphone into the headset Set the audio part of test equipment to PRBS or continuous wave mode No No No Z 3 X B O X C O M ...

Page 73: ...phone detection problem 2 Sending Path problem No Re_solder the R209 R211 Yes Yes No The soldering of C219 is OK The ABB is out of order Change the board The voltage at L200 is 0 99V 1 03V A few tens or hundreds of mV of signals at C219 are measured No The soldering of J200 is OK Yes No Yes The earphone is OK Yes The ABB is out of order Change the board Set audio part of the test equipment to the ...

Page 74: ...4 TROUBLE SHOOTING 73 Headset Output Pin Headset Input Pin This pin connects with Microphone of Ear Mic The components of HSO Z 3 X B O X C O M ...

Page 75: ...eck Regulator Circuit Check VCTCXO Circuit Check PLL Control Signal Check FEM Mobile SW Check Rx I Q Re download SW Cal E5515C Test Mode CH190 7 level setting TCH CH190 60 dBm setting BCCH Spectrum Analyzer setting Oscilloscope setting START Z 3 X B O X C O M ...

Page 76: ...h Check Pin 3 Pin6High Check U101 No No Regulator circuit is OK See next page to check VCTCXO circuit Replace U502 Yes Yes Ch1 Pin 6 2 8V Ch2 Pin 3 2 8V PIN3 PIN6 U502 R1114D281D TR F CE 6 2 GND1 5 GND2 NC 4 VDD 1 3 VOUT 1u C523 RF2 85V C524 1000p VBAT 1u C521 RF_EN Z 3 X B O X C O M ...

Page 77: ... Check Pin 3 of X500 Pin 4 2 8V Check U502 No No VCTCXO circuit is OK See next page to check PLL circuits Replace X500 Yes Yes Pin3 Pin4 PIN2 PIN4 PIN1 PIN3 PIN3 R514 15K C520 1uF C518 1000p 2 OUT 3 4 VCC 1 VCONT X500 26MHz GND C519 RF2 85V 1000p TCXO_OUT AFC Z 3 X B O X C O M ...

Page 78: ... 3 Checking PLL Circuit Rx pass continued Signal is normal Check S_CLK S_EN S_DATA PLL circuit is OK See nest page to check FEM Mobile SW Download SW No Yes S_EN S_DATA S_CLK S_EN S_DATA S_CLK S_CLK S_EN S_DATA Z 3 X B O X C O M ...

Page 79: ...ble connected Check SW500 Pin 1 2 with RF cable connected Open Check ANT_SW1 ANT_SW2 of FL500 ANT_SW1 ANT_SW2 Low or ANT_SW1 High ANT_SW2 Low Replace SW500 Replace SW500 No Replace the board Yes Check RF Level FL500 Pin1 2 63dBm FEM Mobile SW is OK Yes No Replace FL500 Rx standalone mode is needed Table 2 1 Z 3 X B O X C O M ...

Page 80: ...SW1 8 GSM850_900_TX 12 1 GSM850_RX1 GSM850_RX2 2 GSM900_RX1 3 4 GSM900_RX2 11 VDD 17 ANT 15 CTRL1 14 CTRL2 9 GND1 13 GND2 16 GND3 GND4 18 GND5 19 GND6 20 GSM1800_1900_TX 10 5 GSM1800_RX1 GSM1800_RX2 6 7 GSM1900_RX1 GSM1900_RX2 FL500 DGM081 1000p C822 RF2 85V SW500 KMS 506 ANT G1 G2 RF ANT_SW2 ANT_SW1 Z 3 X B O X C O M ...

Page 81: ...libration Replace U501 No Yes C817 8p 33p C820 C511 560p C818 18p 100 R819 R820 100 R513 680 R818 100 32 XEN XOUT 8 31 _PDN 9 10 2 _SEN 4 BQP 5 PGND 33 SCLK 1 3 SDIO BIN 6 BIP 7 BQN R512 820 R510 820 820 R511 C507 560p R821 100 820 R509 33p C821 S_CLK _S_EN _PDNB S_DATA TXQP TXIN TXQN TXIP 26MHZ RXIP RXIN RXQN RXQP Z 3 X B O X C O M ...

Page 82: ... Circuit Check VCTCXO Circuit Check PLL Control Signal Check Tx I Q Check PAM Control Signal Check FEM Mobile SW Re download SW Cal E5515C Test Mode CH190 7 level setting TCH CH190 60 dBm setting BCCH Spectrum Analyzer setting Oscilloscope setting START Z 3 X B O X C O M ...

Page 83: ... Pin3 high Check Pin 3 Check U101 Regulator circuit is OK See next page to check VCTCXO circuit Yes No Pin 6 High No Replace U502 Yes PIN6 PIN3 PIN3 PIN6 U502 R1114D281D TR F CE 6 2 GND1 5 GND2 NC 4 VDD 1 3 VOUT 1u C523 RF2 85V C524 1000p VBAT 1u C521 RF_EN Z 3 X B O X C O M ...

Page 84: ...Hz Check Pin 3 of X500 Pin 4 2 85V Check U502 No No VCTCXO circuit is OK See next page to check FEM Mobile SW Replace X500 Yes Yes PIN2 PIN4 PIN1 PIN3 PIN1 PIN3 R514 15K C520 1uF C518 1000p 2 OUT 3 4 VCC 1 VCONT X500 26MHz GND C519 RF2 85V 1000p TCXO_OUT AFC Z 3 X B O X C O M ...

Page 85: ...E SHOOTING 84 4 17 3 Checking PLL Circuit Tx pass continued Signal is normal Check S_CLK S_EN S_DATA PLL circuit is OK See nest page to check FEM Mobile SW Download SW No Yes S_CLK S_EN S_DATA Z 3 X B O X C O M ...

Page 86: ...nued Normal Check I Q Redownload the software and calibration Replace U100 No Yes TXIP TXQP 33p C820 C511 560p 100 R819 R513 680 R818 100 R512 820 R510 820 820 R511 C507 560p 820 R509 _PDNB S_DATA TXQP TXIN TXQN TXIP 26MHZ RXIP RXIN RXQN RXQP Z 3 X B O X C O M ...

Page 87: ...000p 1000p C815 C816 C504 TX_ENABLE 4 VBATT VRAMP 6 33u 27 28 GND19 GND2 11 29 GND20 GND21 30 31 GND22 GND23 32 12 GND3 13 GND4 14 GND5 GND6 15 16 GND7 17 GND8 GND9 18 GSM_IN 7 GSM_OUT 8 3 RF3166 U500 BAND_SELECT 2 1 DCS_PCS_IN 9 DCS_PCS_OUT GND 5 GND1 10 19 GND10 GND11 20 GND12 21 22 GND13 23 GND14 GND15 24 GND16 25 26 GND17 GND18 300 R508 VBAT 220 R502 R822 0 220 R501 300 R507 18 R506 C814 100p ...

Page 88: ...w ANT_SW2 High or ANT_SW1 High ANT_SW2 High Replace U501 Replace the board Tx standalone mode is needed Table 2 1 Yes Check FL500 Pin 17 20dBm Check SW500 Pin 1 2 with no RF cable connected Yes Short Check SW500 Pin 1 2 with RF cable connected Yes Open FEM Mobile SW is OK Change the board Yes No Replace FL500 No Replace SW500 No Replace SW500 Z 3 X B O X C O M ...

Page 89: ...SW1 8 GSM850_900_TX 12 1 GSM850_RX1 GSM850_RX2 2 GSM900_RX1 3 4 GSM900_RX2 11 VDD 17 ANT 15 CTRL1 14 CTRL2 9 GND1 13 GND2 16 GND3 GND4 18 GND5 19 GND6 20 GSM1800_1900_TX 10 5 GSM1800_RX1 GSM1800_RX2 6 7 GSM1900_RX1 GSM1900_RX2 FL500 DGM081 1000p C822 RF2 85V SW500 KMS 506 ANT G1 G2 RF ANT_SW2 ANT_SW1 Z 3 X B O X C O M ...

Page 90: ... kit you should have 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 Figure 5 1 Describes Download Setup Z 3 X B O X C O M ...

Page 91: ...5 DOWNLOAD 90 5 2 Download Procedure 5 2 1 Computer Program file MultiGSM EXE Click Z 3 X B O X C O M ...

Page 92: ...5 DOWNLOAD 91 5 2 2 Click the Setting button Then choose Configuration which is going to download Z 3 X B O X C O M ...

Page 93: ...5 DOWNLOAD 92 5 2 3 Configuration Setting C GSMULTI Model MG220 dll Z 3 X B O X C O M ...

Page 94: ...5 DOWNLOAD 93 5 2 4 Press Start Button Z 3 X B O X C O M ...

Page 95: ...5 DOWNLOAD 94 5 2 5 After Start Button Which Stand by condition Z 3 X B O X C O M ...

Page 96: ...5 DOWNLOAD 95 5 2 6 SW downloading Condition MG220 Z 3 X B O X C O M ...

Page 97: ...5 DOWNLOAD 96 5 2 7 SW downloading END Condition Z 3 X B O X C O M ...

Page 98: ...ERVICE AND CALIBRATION 97 6 1 Service S W 6 1 1 RF Calibration Program 1 Execute Hot_KimchiD exe 2 Click on APPLY button 3 Click on CALIBRATION START MG220 MG220 6 SERVICE AND CALIBRATION Z 3 X B O X C O M ...

Page 99: ...6 SERVICE AND CALIBRATION 98 4 Click on CALIBRATION START button Z 3 X B O X C O M ...

Page 100: ...A5 VDD6 E11 VDDANG D14 VDDRTC TMS E9 TSPACT0 M12 M14 TSPACT1 J12 TSPACT10 J13 TSPACT11 TSPACT2 L12 TSPACT3 L13 TSPACT4 J10 K11 TSPACT5 TSPACT6 K13 K12 TSPACT7 TSPACT8 K14 J11 TSPACT9 J14 TSPCLKX H10 TSPDI_IO4 TSPDO H11 RXIR_IRDA A8 RX_IRDA D8 RX_MODEM A9 P9 SCLK SDI M9 K8 SDO B8 SD_IRDA SIM_CD G11 F13 SIM_CLK SIM_IO G13 F14 SIM_PWRCTRL SIM_RST G10 B10 TCK TCSOEN A12 D10 TDI TDO C10 NCS4 C11 B11 NE...

Page 101: ...3 120K 4 7u 82 C226 NO 6 2 V R214 DG2011DX T1 E3 U201 COM 5 3 GND IN 1 4 NC VA201 R224 1K 10 VA200 _WR V_IO R222 32 2 LED MTR 19 NC 5 6 PLLC SPOUT1 17 SPOUT2 18 SPVDD 15 16 SPVSS VDD 7 VREF 9 8 VSS _CS 29 3 _IRQ 31 _RD 4 _RST 28 30 A0 1 CLK1 D0 27 D1 26 D2 25 D3 24 D4 23 22 D5 21 D6 20 D7 12 EQ1 EQ2 13 EQ3 14 HPOUT_L 10 HPOUT_R 11 IOVDD YMU762C QZ U202 C200 22n C217 R212 100 47p C205 100p R220 1K ...

Page 102: ... 4 VCC 8 7 Y1 3 Y2 C303 U301 NL27WZ32USG A1 0 R303 VSS2 J9 C5 WP_ACC _CE1F H2 _CE1S J2 F9 _CE2 C4 _LB _OE H3 _RSTF D5 D4 _UB _WE C6 H4 DQ9 A1 NC1 A10 NC2 M1 NC3 NC4 M10 B5 RFU1 RFU2 B6 G8 RFU3 RFU4 H9 RFU5 K6 RFU6 L6 RFU7 L5 E5 RY__BY J5 VCCF J6 VCCS G3 VSS1 D6 CE2S J3 DQ0 G4 DQ1 J4 DQ10 K5 DQ11 DQ12 J7 DQ13 H7 K8 DQ14 H8 DQ15 K4 DQ2 DQ3 H5 DQ4 H6 DQ5 K7 DQ6 G7 DQ7 J8 DQ8 K3 F8 A14 A15 D9 A16 G9 A...

Page 103: ... 1 VOUT 3 Q400 C400 0 1u VA405 EVL5M02200 VA406 VA403 VA402 680 R411 LD412 680 R410 R405 V_IO 680 R432 20 200 R431 20 R418 R417 200 R407 680 R413 680 4 CLEAR 680 R412 LD400 C401 0 1u VBAT 200 R426 200 OK R425 F3 9 8 VA401 VA404 VA400 CN400 1 2 V_IO 100nH L400 R404 12 R403 1 5K 5 6 LD413 680 R402 LD411 680 R401 680 R400 LD408 LD407 LD404 F2 LD406 LD405 0 R416 51K R415 END 1 2 R406 0 100K R414 VA407...

Page 104: ... 29 GND20 GND21 30 31 GND22 GND23 32 12 GND3 13 GND4 14 GND5 GND6 15 16 GND7 17 GND8 GND9 18 GSM_IN 7 GSM_OUT 8 3 RF3166 U500 BAND_SELECT 2 1 DCS_PCS_IN 9 DCS_PCS_OUT GND 5 GND1 10 19 GND10 GND11 20 GND12 21 22 GND13 23 GND14 GND15 24 GND16 25 26 GND17 GND18 0 1u C505 L500 22nH 12 13 VDD2 VDD3 28 29 VDD4 11 VIO 26 XDIV 32 XEN XMODE 25 XOUT 8 XTAL1 31 30 XTAL2 _PDN 9 10 _RESET 2 _SEN RF2 85V 4 BQP ...

Page 105: ...V_SIM V_SIM CUS02 J600 CLK 3 4 GND1 GND2 7 8 GND3 9 GND4 GND5 10 6 IO 2 RST 0 2 R620 5 D1 D2 2 1 D3 3 G 4 S1 6 S2 NDC652P U600 OUT600 OUT601 22n C602 15 R619 0 1u C607 47 R614 C603 47p 33K R618 R605 1K FB601 VBAT R612 47 47 R611 R601 10K 47 R608 R610 47 R606 47 20K R616 9 VCHG FB600 22 23 24 25 26 27 28 29 3 30 4 5 6 7 8 1 10 11 12 13 14 15 16 17 18 19 2 20 21 CN600 10K R602 R617 100K 150p C608 10...

Page 106: ...J3 M10 LD0 LD1 M9 J8 LD10 H8 LD11 LD12 G9 G8 LD13 LD14 F9 F8 LD15 LD16 M3 M4 LD17 L10 LD2 LD3 L9 L8 LD4 K10 LD5 LD6 K9 K8 LD7 C8 DVSS3 DVSS4 C9 DVSS5 D3 DVSS6 F3 DVSS7 H9 J10 DVSS8 K2 DVSS9 GPIO0 E9 D10 GPIO1 GPIO3 C7 C2 GPIO6 B2 GPIO7_MD17 GPIO8_MD16 B1 HREF A9 K6 LCS1 L6 LCS2 E10 CVDD2 L4 CVDD3 CVDD4 L7 DI0 A3 B4 DI1 A4 DI2 DI3 B5 DI4 A5 B6 DI5 A6 DI6 DI7 B7 DVSS1 A7 DVSS10 L5 DVSS11 M5 M8 DVSS1...

Page 107: ... IN8 8 16 OUT1 15 OUT2 14 OUT3 OUT4 13 OUT5 12 11 OUT6 OUT7 10 9 OUT8 PGND 17 FL803 1 IN1 IN2 2 IN3 3 IN4 4 16 OUT1 15 OUT2 14 OUT3 OUT4 13 OUT5 12 11 OUT6 OUT7 10 9 OUT8 PGND 17 1 IN1 IN2 2 IN3 3 IN4 4 IN5 5 6 IN6 7 IN7 IN8 8 VA800 FL800 C2 1 C2 12 D1 8 7 D2 6 D3 9 EN_SET GND 11 10 IN NC 5 2 OUT AAT3120ITP 20 T1 U800 4 C1 C1 3 IN1 1 2 IN2 3 IN3 IN4 4 OUT1 8 7 OUT2 OUT3 6 5 OUT4 PGND 9 FL802 54 55...

Page 108: ... 107 8 pcb layout Z 3 X B O X C O M ...

Page 109: ... 108 8 pcb layout Z 3 X B O X C O M ...

Page 110: ...1 BACKLIGHT 2 1 1 1 MAIN LCD ON OFF 2 1 1 2 KEYPAD ON OFF 2 2 LCD 2 2 1 LCD AUTO 2 2 2 LCD COLOR 2 3 FONT 2 3 1 FONT 810 2 3 2 FONT 810i 2 3 3 FONT 816 2 3 4 FONT 816i 2 3 5 FONT 816b 2 3 6 FONT 1018 2 3 7 FONT 1019 2 3 8 FONT 1320 2 4 ALERT 2 4 1 VIBRATOR 2 4 2 RING 2 4 3 EFFECT SOUND 2 4 4 IMELODY SOUND 2 4 5 EMS SOUND 2 5 SERIAL PORT 2 5 1 MODEM 2 6 BATTERY INFO1 2 7 AUDIO GAIN 2 7 1 RECEIVER 2...

Page 111: ... a Select either Power level or DAC value b Power level Input appropriate value GSM between 5 19 or PCS between 0 15 c DAC value You may adjust directly the power level with DAC values 10 1 3 Rx Test 1 Selecting Channel Select one of GSM850 PCS Band and input appropriate channel 2 Automatic Gain Control and Instrument Power level See if the value of RSSI is close to 60dBm when setting the value 40...

Page 112: ... 11 12 15 13 14 17 18 19 24 27 16 20 22 23 25 26 29 30 33 34 35 32 62 60 59 58 57 55 52 51 49 48 47 46 45 41 39 38 36 37 40 61 54 53 44 43 42 50 56 31 11 EXPLODED VIEW REPLACEMENT PART LIST 11 1 EXPLODED VIEW Z 3 X B O X C O M ...

Page 113: ... 112 Z 3 X B O X C O M ...

Page 114: ...OW MTAD0049501 MG220 CLRBK Transparent 33 5 MTAF00 TAPE MOTOR MTAF0007701 MG220 CLRBK Transparent 19 5 MTAZ00 TAPE MTAZ0115701 MG220 TAPE CAMERA Transparent 25 4 ACGJ00 COVER ASSY FOLDER UPPER ACGJ0056101 MG220 Black 5 AWAB00 WINDOW ASSY LCD AWAB0021101 MG220 CLRBK Black 7 6 BFAA00 FILM INMOLD BFAA0037001 MG220 CLRBK Gray 6 MWAF00 WINDOW LCD SUB MWAF0032701 MG220 CLRBK Black 5 MCJJ00 COVER FOLDER ...

Page 115: ...1 5 0Pi 4kgf Green 4 MIDZ00 INSULATOR MIDZ0082501 MG220 FPCB FIXED Blue 4 MTAB01 TAPE PROTECTION MTAB0104401 MG220c TAPE PROTECTION SUB Transparent 4 MTAB02 TAPE PROTECTION MTAB0104501 MG220c TAPE PROTECTION MAIN Transparent 4 MTAZ00 TAPE MTAZ0135701 MG220 FPCB FIXED Transparent 4 MWAC00 WINDOW LCD MWAC0063201 MG220 CLRDG Black 34 4 MWAE00 WINDOW CAMERA MWAE0014701 MG220 CLRBK Black 1 3 ACGM00 COV...

Page 116: ...Part Number Specification Color Remark 3 MCCF00 CAP MOBILE SWITCH MCCF0032801 MG220 CLRBK Black 60 3 MCCH00 CAP SCREW MCCH0073601 MG220 CLRBK CAP SCREW REAR Black 59 3 MLAK00 LABEL MODEL MLAK0006901 5 ADCA00 DOME ASSY METAL ADCA0049901 MG220 CLRBK Silver 46 Z 3 X B O X C O M ...

Page 117: ...4 3 Max 65k CSTN TM M S 44206D S S 44001A SUB Color Film 3 SAFY00 PCB ASSY MAIN SAFY0155702 49 4 SAFB00 PCB ASSY MAIN INSERT SAFB0055101 5 SPKY00 PCB SIDEKEY SPKY0030001 POLYI mm DOUBLE SK1_CAMERA 5 SPKY01 PCB SIDEKEY SPKY0030101 POLYI mm DOUBLE SK2_VOLUME 4 SAFF00 PCB ASSY MAIN SMT SAFF0077802 MG220c BTMBK BRASIL TIM 5 MLAB00 LABEL A S MLAB0000601 HUMIDITY STICKER 5 MLAC00 LABEL BARCODE MLAC00033...

Page 118: ...IP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C125 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C126 CAP CHIP MAKER ECZH0001421 2 2 uF 6 3V K X5R HD 1608 R TP 6 C127 CAP CERAMIC CHIP ECCH0007901 10 uF 4V M X5R TC 1608 R TP 6 C200 CAP CERAMIC CHIP ECCH0000179 22 nF 16V K X5R HD 1005 R TP 6 C201 CAP CERAMIC CHIP ECCH0000182 0 1 uF 10V K X5R HD 1005 R TP 6 C202 CAP CERAMIC CHIP...

Page 119: ... CERAMIC CHIP ECCH0000701 1 2 pF 50V C NP0 TC 1005 R TP 6 C507 CAP CHIP MAKER ECZH0003118 560 pF 50V K X7R HD 1005 R TP 6 C508 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C509 CAP CERAMIC CHIP ECCH0000701 1 2 pF 50V C NP0 TC 1005 R TP 6 C510 CAP CERAMIC CHIP ECCH0000128 100 pF 50V J NP0 TC 1005 R TP 6 C511 CAP CHIP MAKER ECZH0003118 560 pF 50V K X7R HD 1005 R TP 6 C512 CAP CERAMIC...

Page 120: ...RAMIC CHIP ECCH0006201 4 7 uF 6 3V K X5R TC 1608 R TP 6 C711 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C712 CAP CERAMIC CHIP ECCH0000115 22 pF 50V J NP0 TC 1005 R TP 6 C713 CAP CHIP MAKER ECZH0003202 1 uF 6 3V Z Y5V HD 1005 R TP 6 C714 CAP CHIP MAKER ECZH0003202 1 uF 6 3V Z Y5V HD 1005 R TP 6 C800 CAP CERAMIC CHIP ECCH0004904 1 uF 6 3V K X5R TC 1005 R TP 6 C801 CAP CERAMIC CHIP E...

Page 121: ...l EMI Filter with ESD Protection 6 FL802 FILTER EMI POWER SFEY0012201 SMD 4ch 100ohm 17pF 6 FL803 FILTER EMI POWER SFEY0008801 SMD 16Pin DFN Package 8 Channel EMI Filter with ESD Protection 6 FL804 FILTER EMI POWER SFEY0008801 SMD 16Pin DFN Package 8 Channel EMI Filter with ESD Protection 6 J200 CONN JACK PLUG EARPHONE ENJE0002301 3 5 PIN G7000 EAR JACK 3 pole 5 pin KSD 6 J600 CONN SOCKET ENSY0007...

Page 122: ...hm 1 16W J 1005 R TP 6 R205 RES CHIP ERHY0000207 20 ohm 1 16W J 1005 R TP 6 R206 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 R207 RES CHIP ERHY0000207 20 ohm 1 16W J 1005 R TP 6 R208 RES CHIP ERHY0000241 1K ohm 1 16W J 1005 R TP 6 R209 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R210 RES CHIP ERHY0000255 5 6K ohm 1 16W J 1005 R TP 6 R211 RES CHIP ERHY0000273 47K ohm 1 16W J 1005 R TP 6 R21...

Page 123: ...37 680 ohm 1 16W J 1005 R TP 6 R431 RES CHIP ERHY0000207 20 ohm 1 16W J 1005 R TP 6 R432 RES CHIP ERHY0000207 20 ohm 1 16W J 1005 R TP 6 R500 RES CHIP ERHY0008201 24 ohm 1 16W J 1005 R TP 6 R501 RES CHIP ERHY0000226 220 ohm 1 16W J 1005 R TP 6 R502 RES CHIP ERHY0000226 220 ohm 1 16W J 1005 R TP 6 R506 RES CHIP ERHY0000206 18 ohm 1 16W J 1005 R TP 6 R507 RES CHIP ERHY0000229 300 ohm 1 16W J 1005 R ...

Page 124: ... 1005 R TP 6 R617 RES CHIP ERHY0000280 100K ohm 1 16W J 1005 R TP 6 R618 RES CHIP ERHY0000138 33K ohm 1 16W F 1005 R TP 6 R619 RES CHIP ERHY0000205 15 ohm 1 16W J 1005 R TP 6 R620 RES CHIP ERHY0001102 0 2 ohm 1 4W F 2012 R TP 6 R621 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R700 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R701 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R702 RES C...

Page 125: ... PB FREE 6 U500 PAM SMPY0008901 35 dBm 55 2 A 50 dBc 25 dB 6 0 6 0 1 4 SMD GSM QUAD PAM 6 U501 IC EUSY0223202 5 0 5 0 32 PIN R TP AERO11 TRANSCEIVER D Version 6 U502 IC EUSY0232812 SON1612 6 6 PIN R TP 2 8V 150mA LDO 6 U600 TR FET P CHANNEL EQFP0003301 SOT 6 1 6 W 30 V 2 4 A R TP use for charge P CHANNEL FET 6 U700 IC EUSY0232812 SON1612 6 6 PIN R TP 2 8V 150mA LDO 6 U701 IC EUSY0291701 BGA 100 PI...

Page 126: ...TP PBB FREE 6 LD406 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD407 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD408 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD409 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD410 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD411 DIODE LED CHIP EDLH0012101 BLUE 1608 R TP PBB FREE 6 LD412 DIODE LED CHIP EDLH0012101...

Page 127: ...225 200 ohm 1 16W J 1005 R TP 6 R430 RES CHIP ERHY0000225 200 ohm 1 16W J 1005 R TP 6 U400 IC EUSY0200301 Leadless chip 6 PIN R TP Hall S W Pb Free 6 VA202 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 VA203 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 VA400 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 VA401 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 VA402 VARISTOR SEVY0003901 5 5 V SMD 480pF 1005 6 ...

Page 128: ...01 3 7 V 830 mAh 1 CELL PRISMATIC FG101 RUSSV423450 Innerpack 3 SSAD00 ADAPTOR AC DC SSAD0007837 FREE 50 Hz 5 2 V 8 A CE CB 3 WSAY00 SOFTWARE APPLICATION WSAY0047201 060327_MG220 3 EAR PHONE EAR MIKE SET SGEY0003204 L1200 MONO TYPE 11 3 Accessory Note This Chapter is used for reference Part order is ordered by SBOM standard on GCSC Z 3 X B O X C O M ...

Page 129: ...Note Z 3 X B O X C O M ...

Page 130: ...Note Z 3 X B O X C O M ...

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LG MG220, Service Manual

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