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1. ANT GSM_RX1 GSM_RX2 DCS_RX1 DCS_RX2 PCS_RX1 PCS_RX2 LMSP7CHA 158 DCS_PCS_TX GND3 GND1 GSM TX GND4 GND2 2V75_VVCXO A 1 5 T 1000p lt ANT SW3 10 RF_PWR_DWN U702 MIC5255 2 85BM5 5 S_EN lt ANT SW2 11 S DATA CLKON gt ANT SW CONTROL TABLE Sign amp Name VC1 i KIM Y G EGSM_TX k DCS PCS_TX EGSM DCS_RX S Y DRAWING PCS_Rx KIM B Y NAME DRAWING NO Ver 1 1 LGIC 42 A 5505 10 01 LG Electronics Inc 105 8 PCB LAYOUT 17 MMC 21001 c S 109148 A KORTI A Bis 175177 12 100 022 108 TP100 0063 526 3530 OST NOT 106 Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT 107 108 9 ENGINEERING MODE 9 ENGINEERING MODE A About Engineering Mode Engineering mode is designed to allow a service man engineer to view and test the basic functions provided by a handset B Access Codes The key sequence
2. 2 8 VEXT gt gt RADIO RSSI HVC376B 32 768KHz n MC 146 7pF X200 707 lu C712 23 22 21 C714 1000p 1 ail 20 6 0009 19 C718 1u 8 C719 1 R703 12K C721 RADIO_VOL_CTRL 2 RADIO_VOL_CLK U701 LM4811LD VOUTI 1 422 C713 RADIO PULL UP EXISTENCE PULL DOWN NONEXISTENCE 10u 8701 VOUT2 1608 C717 u R702 gt RADIO_SPK_R BYPASS 1508 gt RADIO_SPK_L lt RADIO_AMP_SHDN LCD_BL_EN gt U400 TPS60231RGTR VIN vour 8 C1 01 02 03 gt LCD_LED_CTRL Designer 6005 KIM H J LCD LED GND lt LCD DIM CTRL MODEL B2070 Sheets DRAWING LCD CONN RADIO NAME RADIO SDA RADIO SCL RADIO STO LGIC 42 A 5505 10 01 LG Electronics Inc 104 7 CIRCUIT DIAGRAM lt TX_RAMP BAND 502 501 DCS_PCS_IN BAND_SELECT TX_ENABLE 9501 RF3166 AI Go 507 SW500 RF2V85 RF2V85 A
3. 1 8 or 2 85V 20mA 1 8V 20 VCXOEN RESET AD6537B Control Baseband Analog VABB Serial LDO Regulator Port Microphone VMIC LDO Regulator 9 25 TRA Didital Core LDO Regulator VCXO VVCXO LDO Regulator EU Memory Interface LDO Regulator External Interface LDO Regulator VCHG SIM Interface LDO Regulator Battery Charer GATEDRIVE RTC LDO Regulator PAPPITE ISENSE KEYON Regulator Control S Power on Reset Generator Figure 3 16 AD6537B POWER MANAGEMENT SECTION 1 Power up sequence logic 1 The 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 33 3 TECHNICAL BRIEF Thermal Shutdown Enable Digital Core VCORE LDO Regulator Mode Enable Memory Interface VMEM Mode LDO Regulator Enabl i P External Interface VEXT Mode LDO Regulator Enable SIM Interface VSIM LDO Regulator Mode VVCXO VCORE Comparator VCORECP low VCORE lt 1 6V high VCORE gt 1 6V VMEM Comparator VMEMCP low VMEM lt 2 6V or 1 6V high VMEM gt 2 6V or 1 6V VEXT Comparator VEXTCP low VEXT lt 2 6V high VEXT gt 2 6V 2 LDO Block Figure 3 17 AD6537B POWER MODE LOGIC
4. BAND PA EN ren pei ten gw E I Da Band Select R501 sd j GSM TX_Low PAM EN DCS PCS TX High Si Foe l px Lh 7 THY Soom Graph 4 7 Checking Flow Check TX_RAMP and PA_EN No Check if there is gt Download S W Any Major Difference or not Refer to Graph 4 7 Go to Next Step 59 4 TROUBLE SHOOTING 6 Checking TX IQ Tek MIT 31 cqs iF sl ie mi LUCE 53V TXQ thi Soom Mw Toons ene 1 327 2 Feb 2003 17 38 55 Graph 4 8 RF2V85 Checking Flow Check if there is No Any Major Difference gt Replace U300 Refer to Graph 4 8 efer to Grap Yes Redownload the Software And calibrate 60 4 TROUBLE SHOOTING 4 3 Power On Trouble TEST POINT E 1 T E LE Shee me Pi u VR sss S 5 S gt S a R104 10K gt 5 gt to 1 gt 9 EE 9 1 C149 ee Ec e 8 C113 E 1 4 4 VCORE2 C114 lu VMEM1 4 2 C115 VRTC
5. Jv ProjectWSWWtestWB Ed Code 0 01740000 5 0 55 980 lt Status gt L Verify owe 3 Wait until completion 1 Don t Check OWUD 94 5 DOWNLOAD AND CALIBRATION 6 Press Start and Pover on the phone using JIG remote Power on Switch 1 SP SpeeDo ST Memory 2 5 Port Set Port COMI Rate 921600 Target Set Model Hermes 1 USE BIN Operation Mode esse C Read Write Erase CEC Cal Skip Data Size PST ART eke C 3288 Files D WBEE WWtestWwB DAWBEE Project SWWtestWB Device Code A_ 0x01740000 0 55 lt Status gt Verify OWUD PS VBAT 95 5 DOWNLOAD AND CALIBRATION A Equipment List Equipment for Calibration Type Model Wireless Communication Test Set HP 8960 Agilent RS 232 Cable and Test JIG LG RF Cable LG Power Supply HP 66311B Agilent GPIO interface card HP GPIB Agilent Calibration amp Final test software LG Test SIM Card PC for Software Installation Table 5 1 B Equipment Setup GSM Test S et 8960 EAE EE DEDE L oF riu o O CI T OOOO nloo ooo oo DOD DI Pentium I
6. CIRCUIT DIAGRAM VBAT NC_R6 CHRDACREF IBIAS REFPWR CRST CHGOSC A AD6S37B NC NC NC NC e NC e NC AD6535 0 510 12 0 0 010F A 22u cio u C109 22 47n 2012 2 LL m a d E ool oj o r amp m r z c m x m A12 TRASSEE 1 lt lt lt lt lt Ai3 44444 2 VCORE gt gt Go gt gt gt VCORE2 13 77 218 VEXT 0204 NLAST4599DFT2 R226 0 sl co 0 2MM RADIO NA are la R230 NA z lt REC P IE SPK RADIO SEL RADIO SPK R 89 4 TROUBLE SHOOTING Checking Flow SETTING Connect PIF to the phone and Power on Call and enter speakerphone mode START Check R228 1 2 Check the soldering of Replace it GO to Speaker Trouble 90 5 DOWNLOAD AND CALIBRATION 5 DOWNLOAD AND CALIBRATION 5 1 Download A Download Setup Figure 5 1 describes Download setup If you have battery no TA is needed TA Figure 5 1 DOWNLOAD SETUP 91 5 DOWNLOAD AND CALIBRATION B Download Procedure 1 Access Flash l
7. X5R 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C140 CAP CERAMIC CHIP 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C143 CAP CERAMIC CHIP 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C200 CAP CERAMIC CHIP 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM H0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C212 CAP CERAMIC CHIP 0007901 10 uF 4V M X5R 1608 R TP 6 CAP CERAM H0007901 10 uF 4V X5R 1608 R TP 6 CAP CERAM H0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAMIC CHIP 0000110 10 pF 50V D NP0 TC 1005 R TP 6 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V L_ESR 1608 R TP 6 C221 CAP CERAMIC CHIP 0000182 0 1 uF 10V X5R 1005 R TP 6 C222 CAP CERAMIC CHIP 0000182 0 1 uF 10V X5R 1005 R TP 126 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level aa Description Part Number Specification Color Remark 6 C223 CAP CERAMIC CHIP ECCHO0000182 0 1 uF 10V X5R 1005
8. 117 I rico 119 11 5 AP C 119 MO ADO ccion 119 11 7 119 11 8 How to do calibration 119 12 EXPLODED VIEW amp REPLACEMENT PART LIST 121 12 1 Exploded 121 12 2 Replacement Parts Mechanic gt 123 Main component gt 125 12 3 Accessory 138 1 INTRODUCTION 1 INTRODUCTION 1 1 Purpose This manual provides the information necessary to repair calibration description and download the features of this model 1 2 Regulatory Information A Security Toll fraud the unauthorized use of telecommunications system byan unauthorized part for example persons other than your company s employees agents subcontractors or person working on your company s behalf can result in substantial additional charges for your telecommunications services System users are responsible for the security of own system There are may be risks of toll fraud associated with your telecommunications system System users are responsible for programming and configuring the equipment to prevent unauthorized use The manufacturer does not warrant that this product is immune from the above case but will prevent unauthorized use of common carrier telecommunication service of facilities accessed through or connected to it The manufacturer will n
9. 6 Tu 1 VSIM 1 2 2u Q VABB 5 TTS a 1608 VMIC 2 9 1 5 4 NC_E15 C122 lu VEXT1 4 VEXT2 VBAT_NET NC_E16 NC_F16 61 4 TROUBLE SHOOTING Checking Flow Check Battery Voltage gt 3 35V NO Charge or Change Battery NO Check the contact of power key Or dome switch Replace U101 YES Push power on key And check the level change of PWRKEY YES Check the voltage of The LDO outputs at U101 VCORE 1 8V WCXO 2 75V VMEM 2 8V VRTC 1 8V YES VEXT 2 8V VSIM 2 5V when sim card is inserted VABB 2 75V VMIC 2 5V NO Logic level at KEYON of U101 Re download software YES Does it work properly Does it work properly The power on procedure is Completed The problem may be elsewhere Replace the main board NO YES THE PHONE WILL POWER ON 62 4 TROUBLE SHOOTING 4 4 Charging Trouble TEST POINT NC T15 NC R1 VMEMSEL GND NET1 NC G16 NC B7 NC B5 VBATSENSE VCHG ISENSE GATEDRIVE VBAT R108 Q100 VCHARGE Q100 G s D3 D4 4 3 2 1 D2 DI 05 06 TPCF8102 4 TROUBLE SHOOTING Checking Flow START Resolder the CN300 Connector CN300 Pin 4 5 VCHARGE is well solderd Pin 12 26 30 GND Voltage at anode of The TA is out of order 0100 5 2 V Change the TA Q100 D1
10. 16 3 TECHNICAL BRIEF B OPLL The OPLL consists of a feedback mixer a phase detector a loop filter and a fully integrated TXVCO The TXVCO is centered between the DCS 1800 and PCS 1900 bands and its output is divided by 2 for the GSM 850 and E GSM 900 bands The RFLO frequency is generated between 1272 and 1483 MHz To allow a single VCO to be used for the RFLO high side injection is used for the GSM 850 and E GSM 900 bands and low side injection is used for the DCS 1800 and PCS 1900 bands The and Q signals are automatically swapped when switching bands Additionally the SWAP bit in register 03h can be used to manually exchange the and Qsignals 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 17 3 TECHNICAL BRIEF 3 Frequency Synthesizer 4205 1 9 0 T 0 RF PLL Self END Figure 3 4 514205 FREQUENCY SYNTHESIZER PART Conrtrol PDRB ToTX The Aero transceiver integrates two complete PLLs including VCOs varactors resonators loop filters reference and VCO dividers and phase detectors The RF PLL uses two multiplexed VCOs The RF1
11. 71 4 9 SIM card interface trouble 74 4 10 Earphone Trouble 76 4 11 Key Backlight Trouble 78 4 12 Receiver Trouble 80 4 13 Microphone Trouble 82 4 14 RTC Trouble 84 4 15 Indication LED Trouble 86 4 16 PTT Trouble 88 4 17 Speakerphone Trouble 89 DOWNLOAD AND CALIBRATION 91 b Download a uyu ve axe ese URS 91 5 2 Calibration 2 96 BLOCK DIAGRAM 99 CIRCUIT DIAGRAM 101 PCB LAYOUT 106 ENGINEERING MODE 109 9 1 BB Test MENU 1 110 9 2 RF Test MENU 2 111 9 3 MF mode MENU 3 112 9 4 Trace option MENU 4 113 9 5 Call timer MENU 5 113 9 6 Fact Reset MENU 6 113 9 7 S W version MENU 7 113 10 STAND ALONE TEST 114 10 1 Introduction 114 10 2 Setting 114 10 3 Means of Test 115 11 AUTO CALIBRATION 117 11 1 Overview 117 11 2 Requirements 117 11 3 Menu and Settings
12. KEY_ROWO POWERKEY 1000p RPWRON CLKON TP101 Orr 02 04 Orr 06 JTAGEN 5 lt TMS B2 81 Al lt TDI ci L TDO_1 PRU 100 0 lt lt O e 2 120 79121 e P10 A9 PRECHARGE ONNOFF RF_PWR_DWN ANT_SW1 ANT_SW3 ANT_SW2 PA_EN PA_BAND S_EN S_DATA S_CLK gt SIM RST 2 SIM CLK R140 RADIO RSSI gt gt 100 101 RESET KEYOUT KEYON DBBON VCXOEN NC_T12 INT MCLK MCLKEN ABBRESET CSDO CSDI CSFS BSDI BSIFS BSDO BSOFS ASDO ASDI ASFS NC_A16 NC_C16 REF REFBB REFOUT BATTYPE REFCHG TEMP2 TEMPI AUXADC2 AUXADCI 0015 AGNDO16 U101 AD6537BABC AGND020 AGND021 AGND026 AGND027 0028 AGND029 AGND030 AGND031 AGND032 AGND033 AGND034 AGND035 AGND036 AGND037 AGND4 AGND3 AGND2 AGND1 VCORE1 2V85 VSIM 1V8 VCORE 2V8 VMEM 1V8 VRTC 7 CIRCUIT DIAGRAM GUIDE HOLE R104 10K 2V8 VEXT 2V75_VABB 2V5_VMIC 2V75 VVCXO VCORE2 VMEM1 VMEM2 10u 1608 VRTC VSIM Tu VABB VMIC 2 2 1608 Tu Tu NC_E15 VEXTI 2 16 NC 516 NC_T15 NC R1 VMEMSEL GND NE
13. 320m V o 7 5 10 008 Ch2 X T42V 21 May 2002 07 13 06 Graph 4 1 a Graph 4 1 b 49 4 TROUBLE SHOOTING 3 Checking FEM amp Mobile SW TEST POINT CIRCUIT Figure 4 5 Waveform C500 NA C502 1 0512 L 6503 220 2UUMS S 5 ACUS ull ped t Select 4 Measurement L e te M emen Period LC543 C517 222 10nH SU frequency VC2 Low ee ee gt 55 L550 2 t Positive r width VC3 Low Negative width Chi 1 00V chi M Icons Ch3 7 560mv more mE 100v r 1 cast Remove Gating statistics evel Setu 7 Eu Measrmnt OFF Snapsnnr FEM Control GSM amp DCS Graph 4 3 a Tek 25 09 Select Measurement Tas lt 5 GPO_10 vei High beri pira Period I lt ANT_SW2 GPO 11 tu VC2 Low Cees ISTE AYEYE Ft ia M lt ANT_SWI GPO 9 OA Te VC3 Low L width 2 00 V M2 00ms Chi 1 64 V more Chi 2 00 lof amp Remove Measrmnt eas une lt Measure gt Histogram FEM Control PCS Graph 4 3 b 50 Checking Flow For these 2 test case No Call connection is neede
14. 41 139 AOUT2P1 TM R114 39p AOUT2P2 gt REC N AOUT2N1 47 o HEADSET_SPK_P HEADSET_SPK_N C140 C141 lt RINGTONE 39p 7 39 C143 C144 air _ 39p 394 A _LC299 c 0200 ES CN200 SPK N SPK 0 2MM 0298 NA SPK SEL gt RECON REC 80 4 TROUBLE SHOOTING Checking Flow SETTING After initialize Agilent 8960 Test EGSM DCS mode Set the property of audio as PRBS or continuous wave Set the receiving volume of mobile as Max START Check the state of contact of dual mode speaker receiver NO Reassemble receiver U202 works properly NO Resolder or replace U202 Check the voltage at 5 7 pin of U202 NO Resolder R111 R114 C139 C140 C141 Change main board 81 4 TROUBLE SHOOTING 4 13 Microphone Trouble TEST POINT CIRCUIT DIAGRAM MIC P lt MIC200 c209 39p pir OB4 15L42 C33L R214 C213 C214 2 2K 39p 390 VA201 vA200 AVL5M02 200 5 02 200 82 4 TROUBLE SHOOTING Checking Flow SETTING After intialize Agilent 8960 Test EGSM DCS mode START Voltage across R200 200 Voltage VMIC of 0101 DC 2 5 DC 2 5V Replace U101 Resolder R200 amp R203 NO Replace microphone Check the signal Level at each side of MIC200 mV AC C
15. If jack is removed JACK_DETECT goes from low to high Audio path is switched from earphone to receiver by JACK_DETECT interrupt 2V5_JACK 2V8 VEXT 2V8 VEXT le HEADSET JACK 1739 U201 MAX9075EXK T C203 0 1u VIN A 5 ves 1 VINt 3 Wr HEADSET MIC N C204 gt HOOK_DETECT R209 220K 1608 2 10u R211 47 HEADSET_SPK_OUT_P gt HEADSET_MIC_P e JACK_DETECT 1608 10u _ 8215 47 HEADSET_SPK_OUT_N gt RADIO_ANT S 1202 270nH 1608 4 7uH AVL5M02 200 AVL5M02 200 AVL5M02 201 CLOSE TO HEADSET JACK Figure 3 26 HEADSET JACK INTERFACE 43 3 TECHNICAL BRIEF 3 13 Key Back light Illumination In key back light illumination there are 6 Blue LEDs in Main Board which are driven by MIDI KEY BL1 and MIDI KEY BL2 signal from ML2871HB KEY BACKLIGHT LEBB S14H LD300 LD302 ZLD301 LEBB S14H LEBB S L g MIDI_KEY_BL1 gt MIDI_KEY_BL2 gt LD303 LEBB S14H LD30 LEBB S14 __ Figure 3 27 KEY BACK LIGHT ILLUMINTION 44 LD305 LEBB S14H 3 TECHNICAL BRIEF 3 14 VIBRATOR The vibrator is placed in the folder cover and contacted to LCD MODULE The vibrator is driven from MIDI_VIBRATOR from ML2871HB VIB
16. 0500 The RF parts consist of a transmitter part a receiver part a frequency synthesizer part a voltagesupply part and a VCTCXO part The Aero transceiver 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 CHANNEL FILTER Ho pac w ANTENNA SWITCH lt m 0 lt m Q VC TCXO 13 or 26 MHz RF IF XIN AFC C Figure 3 1 RECEIVER FUNCTIONAL BLOCK DIAGRAM 2353 3 TECHNICAL BRIEF 1 Receiver Part The Aero transceiver uses a low IF receiver architecture which allows for the on chip integration of the channel selection filters eliminating the external RF imagereject filters and the IF SAW filter required in conventional super heterodyne architectures A RF front end RF front end consists of Front End Module FL500 and Quad band LNAs integrated in transceiver U500 The Received RF signals GSM 925MHz 960MHz DCS 1805MHz 1880MHzPCS 1930MHz 1990 2 are fed into the antenna or Mobile switch The Front End Module FL500 is used to control the Rx and Tx paths And the input signals VC1 VC2 of a FL501 are directly connected to baseband con
17. 1 There are 8 LDOs in the AD6537B VCORE VMEM VEXT VSIM VRTC VABB VMIC supplies Digital baseband Processor core and AD6537B digital core 1 8V 80mA supplies external memory and the interface to the external memory on the digitalbasebandprocessor 1 8V or 2 8V 150mA supplies Radio digital interface and high voltage interface 2 8V 170mA supplies the SIM interface circuitry on the digital processor and SIM card 2 85V 20mA supplies the Real Time Clock module 1 8 V 20 uA supplies the analog portions of the AD6537B supplies the microphone interface circuitry 2 5 V 1 mA supplies the voltage controlled crystal oscillator 2 75 V 10 mA 34 3 TECHNICAL BRIEF 3 Battery Charging Block 1 It can be used to charge Lithium lon and or Nickel Metal Hydride batteries Charger initialization trickle charging and Li lon charging control are implemented in hardware 2 Charging Process Check charger is inserted or not If AD6537B detects that Charger is inserted the CC CV charging starts Exception When battery voltage 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 VCHG charger supply GATEDRIVE charge DAC output ISENSE charge current sense input VBATSENSE battery voltage sense input BATTYPE battery type ide
18. 19dBm DCS PCS Power 30dBm 28dBm 26dBm 24dBm 22dBm 20dBm 18dBm 16dBm 2 PERFORMANCE Description Specification GSM EGSM Offset from Carrier KHz Max dBc 100 0 5 200 250 400 600 lt 1 200 1 200 lt 1 800 1 800 lt 3 000 3 000 lt 6 000 Output RF Spectrum 6 000 due to modulation DCS PCS Offset from Carrier KHz Max dBc 100 0 5 200 250 400 600 lt 1 200 1 200 lt 1 800 1 800 lt 3 000 3 000 lt 6 000 6 000 GSM EGSM Offset from Carrier KHz 400 Output RF Spectrum due to switching transient 2 PERFORMANCE Description Output RF Spectrum due to switching transient Specification DCS PCS Offset from Carrier KHz Max dBm 400 600 1 200 1 800 Spurious Emissions Conduction Emission Status Bit Error Ratio GSM EGSM BER Class lt 2 43996 9 102 dBm DCS EGSM BER Class lt 2 43996 9 100 dBm RX Level Report Accuracy 3 dB SLR 8 3 dB Sending Response Frequency Hz 100 10 Description Receiving Respons 2 PERFORMANCE Specification Frequency Hz 100 12 200 0 300 2 500 1 000
19. 42 Connector Generic serial port B USC Generic serial port D PWRON RESET SRAM RAMCS 1 OSCIN 8 or 16 bit optional Backlight Service Light Servicelight Flash ROMCS 1 16 bit ADD 24 DATA 15 Power Management OSCOUT HWR UBS VDDRTC DISPLAY LWRILBS VMEM Parallel VEXT VCC DISPLAYCS 1 0 VMMC VINT Pe Serial VDDUSB VSIM Processor serial display AD6535 Audio amp Base band Accessory Devices GPCS 1 0 GND AUXCS 1 0 ASDO ASDI Generic Serial Port D A ASFS ASFS e g Spe ASDI ASDO BATTERY Generic Serial Port D B BSDO BSDI BSOFS BSIFS BSDI BSDO Interface BSIFS BSOFS Applicati CSDO CSDI 2 SPI CSDI CSDO CSFS CSFS control USB Interface serial GPIO IRQ SIM SIM serial USB Host AD6527B only CLKIN MicroSM RF Interface ABB_INT CLKOUT_GATE CLKOUT ABBRESET Enable DRV OUT LNA IN RADIO AD6534 Synthesizer INT port MCLKEN MCLK RESET VCXOEN RAMP RF Timing Interface VOICE i f amp Buzzer VOSC AFC Figure 3 8 SYSTEM INTERCONNECTION OF AD6527 EXTERNAL INTERFACE 22 3 TECHNICAL BRIEF AD6527 is an ADI designed processor AD6527 consists of 1 Control Processor Subsystem 32 bit ARM7TD
20. Check the soldering of EMI filter Does LCD work properly YES LCD working 68 4 TROUBLE SHOOTING 4 7 Radio Trouble TEST POINT U700 X200 U701 CIRCUIT RADIO OPTION 2V8_VMEM gt RADIO_DETECT 1608 178 C700 100p RADIO ANT gt d 100nH 100nH 0701 RADIO L701 PULL EXISTENCE PULL DOWN NONEXISTENCE 2V8_VEXT 8 L702 8 18nH lun To 35 U701 m 7p que RIDI Levis VOUT1 RADIO_SPK_R l 6 Joc n 100 E x 2 m 976 gt RADIO_SPK_L 8 Im k poen 712 u 5544 lt RADIO_AMP_SHDN x six 6722 Ess Tu 2x R704 1705 V gt 1K 1K C724 RADIO_VOL_CTRL RADIO_VOL_CLK 710 47K RADIO SDA i RADIO SCL RADIO STO 69 4 TROUBLE SHOOTING Checking Flow Insert Earmic to earjack Level of RADIO_DETECT Is high Resolder R421 YES Set the audio part of the test Earphone will work Equipment to echo mode properly YES YES Check U205 works properly Level 2 8 1 9 pin of U701 is OK Can you hear your voice from the earphone Level 1 2 8 9 pin Of U
21. 36 0 o 9 ll 11 AUTO CALIBRATION 11 AUTO CALIBRATION 11 1 Overview Autocal Auto Calibration is the PC side Calibration tool that perform Tx Rx and Battery Calibration with Agilent 8960 GSM call setting instrument and Tektronix PS2521G Programmable Power supply Autocal generate calibration data by communicating with phone and measuring equipment then write it into calibration data block of flash memory in GSM phone 11 2 Requirements PC or Notebook installed with Microsoft Windows 98 ME 2000 XP Auto Calibration program Autocal exe GSM Phone LGE PIF JIG Serial Cable Data Cable Agilent 8960 Call Setting Instrument Tektronix PS2521G Programmable Power Supply 11 3 Menu and Settings File File File File File File F F F F F F Clear View Save View Save Setting Load Setting Make BIN ALL Make BIN BAT Cal only lt was WH File F Make amp Write BIN View V Tools View V Status Connection C Connect Connection C Port Setting GPIB G Connect Clear Calibration Status window texts Save Calibration Status window texts Save Current Calibration settings to setting Load saved Calibration setting Make binary file after calibration finished Make binary file of battery cal data only after calibration finished Make binary file after calibration finished then download it
22. 4 0V 3 Set the 3rd 4th of DIP SW ON state always 4 Press the Phone power key if the Remote ON is used 1st ON state D Procedure 1 Connect as Fig 6 2 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Power ON PC then enter into Windows 98 Remark Windows 2000 system could be feasible 3 Run AUTOCAL exe the AUTOCAL application window will be appeared 98 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM Base Band BEE Project Baseband Block Diagram CS WR RD DIMM C LCD ADDO 128X128 je SEZ MCP ROM CS R 128X32 RD WD RS 5 VIBR TR gt gt y T KEYROW 0 4 0 15 KEY KEYCOL 0 4 PAD POWERKEY 7 MIDI_RST CS 4nPOIY 1WAMP option 200 DATA 0 15 ADDR 0 23 re ig D gt SIM Control Signal VSYNTHEN ANT_SW ATA EN CLK R PA EN BAND F ABB RESET CLK OUT MCLK EN CSDI CSDO CSFO BSDO BSDI BSOFS ASDI ASDO ASFS JTAGEN TDI TDO _ Power VBAI Audia 1 RF RKI RXQ TXI TXQ AFC lt TX RAMP 1V8_VCORE Pu w 2V8 VMEM lt gt 1VS_VRTC p VSIM 2 75 VABB P A 2V75_VTCXO Seo 2V5_VMIC g D Lp 5 gt 6 POWERKEY PONERKEYT 5 s GATE G FET 3 DRIVE 7 MIGHT E B __ gt KEYPAD L
23. GND1 3 RADIO PHONE 2 GND2 Date Sign amp Name MODEL 2005 0320 KIM H J 2005 LEE S Y DRAWING NAME 2005 KIM B Y DRAWING NO Designer Checked Approved LG Electronics Inc 102 OB4 15L42 C33L VA200 AVL5M02 200 RECEIVER SPEAKER SELECTION SPK_SEL OUTPUT RECEIVER SPEAKER HEADSET OUTPUT SELECTION RADIO_SEL OUTPUT HEADSET_SPK Sheet Sheets AUDIO MIDI Ver 1 1 LG Electronics Inc 7 CIRCUIT DIAGRAM 2V8_VMEM VIBRATOR CONNECTOR 10K R309 SL POWERKEY lt n_ _ 0 680 R305 R306 Y 7 A 7 VCHARGE KEY_ROWO lt JTAGEN VA311 U401 RESETS AVLC14S02050 MIC5255 2 85BM5 DSR SE IN our R315 TCK MIDI_VIBRATOR gt RPWRON _ 1 5K TMS VA302 mE Usc6 AVLC14S02050 DEBUG_RX TDI USC1 KEY ROW lt usc2 DEBUG_TX VA303 AVLC14S02050 usc3 5 TDO_1 R330 uses lt KEY_ROW3 lt SIM CONN ECTOR Me ud 680 AVY vA330 Y VA304 Usc4 lt AVLC14S02050 AVLC14S02050 295 _ _ gt KEY_ROWA e 5 Sly AVLC14S02050 VA305 Y Y R337 SIM_RST R339 680 vaso
24. KEY_ROW3 KEY_ROW4 KEY_COLO KEY_COL1 KEY_COL2 KEY_COL3 KEY_COL4 40023 NRAMCS1 NRAMCS2 NROMCS1 GPIO 44 NROMCS2 NWE NLWR NHWR NRD NADV NWAIT BURSTCLK NGPCS1 NAUXCS1 GPIO 42 NMAIN LCD CS GPIO 43 NSUB LCD CS CLKIN CLKON OSCOUT OSCIN PWRON NRESET U100 AD6527ABC GPIO 0 IRDA TX GPIO 1 IRDA RX GPIO 2 NIRDA EN GPIO 3 GPIO 4 GPIO 5 GPIO 6 GPIO 7 GPIO 8 GPIO 9 GPIO 10 GPIO 11 GPIO 12 GPIO 13 GPIO 14 GPIO 15 GPIO 16 GPIO 17 GPIO 33 DEBUG RX GPIO 34 DEBUG TX GPIO 35 GPIO 36 GPIO 37 GPIO 38 GPIO 39 GPIO 40 GPIO 45 GPIO 46 GPIO 55 GPIO 56 GPO 22 KEY BACKLIGHT GPO 23 LCD BACKLIGHT KEYPADROWO KEYPADROW1 KEYPADROW2 KEYPADROW3 KEYPADROW4 KEYPADCOLO KEYPADCOL1 KEYPADCOL2 KEYPADCOL3 KEYPADCOL4 VEXT1 4 VEXT1 5 2V8 VMEM VSSUSB VEXT2 1 2V85_VSIM VDDUSB DATAO DATA1 DATA2 4 5 DATA6 DATA8 DATA9 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 GPIO 48 ABB CLKOUT CLKOUT GATE GPO 29 ABBRESET JTAGEN GPIO 18 TCK GPIO 19 TMS GPIO 20 TDI GPIO 21 TDO GPO 0 RXON GPO 1 TXON GPO 5 ARSM GPO 6 ATSM GPIO 22 GPIO 49 GPIO 50 GPIO 51 GPIO 52 GPIO 53 GPIO 54 GPIO 23 SIM RESET GPIO 24 SIM EN GPIO 47 SIM VSEL SIMCLK SIMDATAIO DATA06 DATA07 DATA08 DATA09 DATA10 DATA11 041412 RESET DATA13 DATA14 DATA15 lt C123 AAA
25. R TP 6 C224 CAP CERAMIC CHIP 22 nF 16V K X7R HD 1005 R TP 6 CAP CERAM 0000159 22 nF 16V K X7R HD 1005 R TP 6 CAP CERAM 0000159 22 nF 16V K X7R HD 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM 0000157 15 nF 16V K X7R HD 1005 R TP 6 C231 CAP CERAMIC CHIP 15 nF 16V K X7R HD 1005 R TP 6 CAP TANTAL CHIP MAKER ECTZ0005201 10 uF 6 3V L_ESR 1608 R TP 6 CAP CERAMIC CHIP 0000122 47 pF 50V J NPO TC 1005 R TP 6 CAP CERAMIC CHIP 0000122 47 pF 50V J NPO TC 1005 R TP 6 CAP TANTAL CHIP MAKER CTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C236 CAP CERAMIC CHIP ECT uF 6 3V X5R 1005 R TP 6 CAP CERAM 0006201 4 7 uF 6 3V X5R 1608 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C302 CAP CERAMIC CHIP 10 nF 16V K X7R HD 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0000117 27 pF 50V J NPO TC 1005 R TP 6 C305 CAP CERAMIC CHIP 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM 0000110 10 pF 50V D NP0 TC 1005 R TP 6 CAP CERAM 0000104 3 pF 50V C NP0 TC 1005 R TP 6 C308 CAP CERAMIC CHIP E uF 6 3V K X5R TC 1005 R TP 6 CAP CERAM 0000117 27 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C311 CAP CERAMIC CHIP 27 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM 0006501
26. SS Ss 2 Light Controllers Figure 3 14 AD6537B AUXILIARY SECTION 31 3 TECHNICAL BRIEF 3 6 4 Audio Section 1 Receive audio signal from microphone B2070 uses differential configuration 2 Send audio signal to speaker B2070 uses differential configuration 3 This section provides an audio codec with a digital to analog converter and an an alog to digital converter a ring tone volume controller 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 B2070 are given bellow in detail lt Up Link gt AIN1P AIN1N Main microphone positive negative terminal AIN2P AIN2N Headset microphone positive negative terminal AINSP AINSN External Analog Input terminal Down Link gt AOUT1P AOUTIN Main Speaker positive negative terminal AOUTSP Headset speaker terminal AD6537B 4 Control Ring Tone x Serial Volume Controller Port Analog Audio Switch Serial Port 320 Filter SRC Filter SRC 320 Microphone Interface AIN2N Figure 3 15 AD6537B AUDIO SECTION 32 3 6 5 Power Management 3 TECHNICAL BRIEF 1 8V 80mA 1 8 or 2 8V 150mA 2 8V 170
27. TP 6 CAP CERAM 0000104 3 pF 50V C NPO TC 1005 R TP 6 CAP CERAM 0000110 10 pF 50V D NPO TC 1005 R TP 6 C510 CAP TANTAL CHIP MAKER uF 10V STD R TP 6 CAP CERAM 0000117 27 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0000901 2 2 pF 50V NP0 1005 R TP 6 C513 CAP CERAMIC CHIP 1 8 pF 50V D NP0 TC 1005 R TP 6 CAP CERAMIC CHIP CH0000120 39 pF 50V J NP0 TC 1005 R TP 6 INDUCTOR CHIP CH0001003 6 8 nH J 1005 R TP inductor PBFREE 6 C516 CAP CERAMIC CHIP 39 pF 50V J NP0 TC 1005 R TP 6 INDUCTOR CHIP CH0001001 10 nH J 1005 R TP Free 6 CAP CERAMIC CHIP CH0000159 22 nF 16V K X7R HD 1005 R TP 6 C519 CAP CERAMIC CHIP 22 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0000128 100 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0000103 1 5 pF 50V C NPO TC 1005 R TP 6 C525 CAP CERAMIC CHIP 1 5 pF 50V C NPO TC 1005 R TP 6 CAP CERAM CH0000159 22 nF 16V K X7R HD 1005 R TP 6 CAP CERAM 0000115 22 pF 50V J NPO TC 1005 R TP 6 CAP CERAM H0000143 1 nF 50V K X7R HD 1005 R TP 6 CAP CERAM CH0000103 1 5 pF 50V C NPO TC 1005 R TP 6 C532 CAP CERAMIC CHIP 1 nF 50V K X7R HD 1005 R TP 6 C533 CAP CERAMIC CHIP CH0007901 10 uF 4V M X5R 1608 R TP 128 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Specification Color Remark 6 C534 CAP CERAMIC CHIP CH0007901 10 uF 4V M X5R 16
28. TR BJT NPN EQBN0004801 5 6 0 2 W R TP 6 Q400 TR BJT NPN 0007101 0 15 W R TP LOW FREQUENCY 6 TR BJT NPN EQBN0007101 0 15 W R TP LOW FREQUENCY 6 RES CHIP ERHY0000261 10K ohm 1 16W J 1005 R TP 6 R105 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 R108 RES CHIP ERHY0001102 0 2 ohm 1 4W 2012 R TP 6 R109 RES CHIP ERHY0000230 330 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000512 10 ohm 1 16W J 1608 R TP 6 RES CHIP ERHY0000202 4 7 ohm 1 16W J 1005 R TP 6 R112 RES CHIP ERHY0000278 82 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000202 4 7 ohm 1 16W J 1005 R TP 6 R117 RES CHIP ERHY0000254 4 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 R131 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000247 2 2 ohm 1 16W J 1005 R TP 6 R202 RES CHIP ERHY0000296 1 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000250 3 3K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000265 20 ohm 1 16W J 1005 R TP 6 R206 RES CHIP ERHY0000265 20 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000287 220 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000202 4 7 ohm 1 16W J 1005 R TP 6 R212 INDUCTOR CHIP ELCH0010401 2 2 uH M 1005 R TP 6 R213 RES CHIP ERHY0000201
29. The access to the SRAM module is made through the RAM Bus RBUS under the control of the bus arbitration logic Similarly access to the Flash Memory is through the parallel External Bus EBUS 27 3 TECHNICAL BRIEF 3 6 Analog Main amp Power Management Processor AD6537B U101 Othello 8 Voltage Regulators VCORE 1 8 V 80mA VABB VMEM 1 8 or 2 8V 150mA VMIC 2 5V 1mA VEXT 2 8V 170mA 2 75V 10mA VSIM 1 8 or 2 85V 20mA VRTC 1 8V 200pA Figure 3 11 AD6537B FUNCTION BLOCK DIAGRAM 28 3 TECHNICAL BRIEF AD6537B is an ADI designed Analog Baseband processor AD6537B covers the processing GMSK modulation interface Aux ADC Voice signal processing and Power Management AD6537B consists of 1 BB Transmit section e GMSK Modulation amp Q channel Transmit DACs and Filters Power Ramping DAC BB Receive section amp Q channel Receive ADCs and Filters Auxiliary section Voltage Reference Automatic Frequency Control DAC Auxiliary ADC Light Controllers Audio Section 8 kHz amp 16 kHz Voiceband Codec 48 kHz Monophonic DAC Power Amplifiers Power Management section Voltage Regulators Battery Charger Battery Protection Digital Processor section Control Baseband and Audio Serial Ports Interrupt Logic 29 3 TECHNICAL BRIEF 3 6 1 Bas
30. The pictures in this manual are for illustrative purposes only your actual hardware may look slightly different G Interference and Attenuation Phone may interfere with sensitive laboratory equipment 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 6 by the sign Following information is ESD handling Service personnel should ground themselves by using a wrist strap when exchange systemboards When repairs are made to a system board they should spread the floor with anti static mat which is also grounded Use a suitable grounded soldering iron Keep sensitive parts in these protective packages until these are used When returning system boards or parts like EEPROM to the factory use the protective package as described 1 INTRODUCTION 1 3 Abbreviations For the purposes of this manual following abbreviations apply Automatic Power Control Baseband Bit Error Ratio Constant Current Constant Voltage Digital to Analog Converter dBm Digital Communication System 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 Minim
31. VCO is used for receive mode and the RF2 VCO is used for transmit mode The IF PLL is used only during transmit mode All VCO tuning inductors are also integrated The IF and RF output frequencies set by programming the N Divider registers Naro and NIF Programming the N Divider register for either RF1 or RF2 automatically selects the proper VCO The output frequency of each PLL is as follows N Xf The DIV2 bit in register 31h controls a programmable divider at the XIN pin to allow either a 13 or 26 MHz reference frequency For receive mode the PLL phase detector update rate 7 should be programmed 100 kHz for DCS 1800 or PCS 1900 bands and 7 200 kHz for GSM 850 and E GSM 900 bands For transmit mode the RF2 and IF PLL phase detector update rates are always 200 kHz 18 3 TECHNICAL BRIEF 3 2 Power Amplifier Module RF3166 U501 The RF3166 is a high power high efficiency power amplifier module with integrated power control that provides over 5088 of control range The device is a self contained 6mmx6mm module with 500 input and output terminals The device is designed for use as the final RF amplifier in GSM850 EGSM900 DCS and PCS handheld digital cellular equipment and other applications in the 824MHz to 849MHz 880MHz to 915MHz 1710MHz to 1785MHz and 1850MHz to 1910MHz bands The RF3166 incorporates RFMD s latest VBATT tracking circuit which monitors battery voltage and prevents th
32. an analog programmable gain amplifier PGA which is controlled with the AGAIN 2 0 bits in register 05h Figure3 2 The quadrature IF signal is digitized with high resolution A D converters ADCs The ADC output is downconverted to baseband with a digital 100KHz quadrature LO signal Digital decimation and IIR filters perform channel selection to 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 DACs that drive a differential analog signal onto the RXIP RXIN RXQP and RXQN pins to interface to standard analog ADC input baseband ICs No special processing is required in the baseband for offset compensation or extended dynamic range Compared to a direct conversion architecture the low IF architecture has a much greater degree of immunity to dc offsets that can arise from RF local oscillator RFLO self mixing 2nd order distortion of blockers and device 1 f noise 15 3 TECHNICAL BRIEF 2 Transmitter Part The transmit Tx section consists of baseband upconverter and offset phase locked loop OPLL and two output buffers that can drive external poweramplifiers PA o
33. 0 ohm 1 16W J 1005 R TP 6 R215 RES CHIP ERHY0000202 4 7 ohm 1 16W J 1005 R TP 6 R216 RES CHIP ERHY0000296 1 ohm 1 16W J 1005 R TP 131 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Specification Color Remark 6 R217 RES CHIP ERHY0000244 1 5 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000203 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000203 10 ohm 1 16W J 1005 R TP 6 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000203 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000265 20 ohm 1 16W J 1005 R TP 6 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000271 39 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000254 4 ohm 1 16W J 1005 R TP 6 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000274 51 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000254 4 ohm 1 16W J 1005 R TP 6 51K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 100K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 100K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 47 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000244 1 5K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0
34. 00 R108 Resoler the are well soldered Q100 D100 R108 Voltage across R108 Replace the is about 10 100mV Q100 D100 Replace the 2 0 7 lt voltage R109 lt 1 3 Q100 The battery may have Battery is charged problems Change the battery Charging is properly operating 64 4 TROUBLE SHOOTING 4 5 Vibrator Trouble TEST POINT U401 MIC5255 2 85BM5 CN301 R315 2 MIDI_VIBRATOR gt 1 5K rt E i _4 I C304 e 65 4 TROUBLE SHOOTING Checking Flow SETTING Enter the engineering mode and set vibrator on at vibration of test menu NO Resolder R315 R399 Resolder C300 Check the soldering of R315 R399 Is the voltage at pin 3 of U401 high Is the voltage at pin 1 of U401 high Check the soldering of C300 YES Replace U401 Check the soldering of C300 Resolder C300 Replace U401 YES Is the voltage at pin 5 of U401 high Replace vrbrator YES Vibrator working 66 4 TROUBLE SHOOTING 4 6 LCD Trouble 67 4 TROUBLE SHOOTING Checking Flow START Check the soldering of CN400 Resoldering CN400 Reassemble FPCB with CN400 connector Resoldering EMI filter FL400 FL403 Replace LCD module Is the connection of FPCB with connector on PCB CN400 ok
35. 000220 100 ohm 1 16W J 1005 R TP 6 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R325 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 132 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level p pep Description Part Number Specification Color Remark 6 R326 RES CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000241 1 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000237 680 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000241 1 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000116 1 5 ohm 1 16W F 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000274 51 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000261 10 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000287 220 ohm 1 16
36. 02 DATA03 DATA04 DATA05 DATA06 DATA07 ADD01 _LCD_CS _WR DATA08 DATA09 DATA10 DATA11 DATA12 DATA13 DATA14 DATA15 RADIO OPTION FL400 128X128 LCD CONNECTOR CSPEMI306A FILTER1 1 FILTER2 1 FILTER3 1 FILTER4 1 FILTER5 1 FILTER6 1 588 FILTER1 2 2V8 VMEM FILTER2 2 FILTER3 2 FILTER4 2 FILTERS 2 FILTER6 2 FL401 FILTER1 1 FILTER2 1 FILTER3 1 FILTER4 1 FILTERS 1 FL402 FILTER1 1 FILTER2 1 FILTER3 1 FILTER4 1 FILTERS 1 FILTER6 1 5 CSPEMI306A FILTER1 2 FILTER6 1 CSPEMI306A FILTER1 2 e FILTER2 2 FILTER3 2 FILTER4 2 SOROSO7O O OP LCD_LED_CTRL gt 40 LCD_LED_GND FILTER5 2 FILTER6 2 2V8 VMEM 9 o FILTER2 2 FILTER3 2 FILTER4 2 FILTER5 2 FILTER6 2 88 FILTER1 1 FILTER2 1 FILTER3 1 FILTER4 1 FILTERS 1 FILTER6 1 2V8 VMEM A 51 R421 CSPEMI306A FILTER1 2 e FILTER2 2 FILTER3 2 FILTER4 2 FILTER5 2 FILTER6 2 JTAG 120X120 TP400 TP401 LCD BACKLIGHT RADIO DETECT RADIO ANT gt C700 100p HVC376B C704 01
37. 08 R TP 6 C535 CAP CERAMIC CHIP 270 pF 50V X7R 1005 R TP 6 CAP CERAM CH0005801 2 2 uF 6 3V X5R 1608 R TP 6 CAP CERAM CH0000135 270 pF 50V X7R 1005 R TP 6 C538 CAP CERAMIC CHIP Dem nF 50V K X7R HD 1005 R TP 6 CAP CERAM CH0000135 270 pF 50V X7R 1005 R TP 6 CAP CERAM CH0000103 1 5 pF 50V C NPO TC 1005 R TP 6 C541 CAP CERAMIC CHIP 1 8 pF 50V D NPO TC 1005 R TP 6 CAP CERAM 0000178 1 8 pF 50V NPO 1005 R TP 6 CAP CERAM 0000115 22 pF 50V J NPO TC 1005 R TP 6 CAP CERAM H0000128 100 pF 50V J NPO TC 1005 R TP 6 CAP CERAM 0000106 5 pF 50V C NPO TC 1005 R TP 6 C702 CAP CERAMIC CHIP 10 pF 50V D NPO TC 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 C705 CAP CERAMIC CHIP 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C708 CAP CERAMIC CHIP 100 pF 50V J NP0 TC 1005 R TP 6 CAP CERAMIC CHIP 0004904 1 uF 6 3V X5R 1005 R TP 6 CAP TANTAL CHIP MAKER 20005201 10 uF 6 3V L_ESR 1608 R TP 6 C711 CAP CERAMIC CHIP 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM CH0007901 10 uF 4V M X5R 1608 R TP 6 C714 CAP CERAMIC CHIP Dem nF 50V K
38. 10 uF 6 3V X5R 2012 R TP 6 C315 CAP CERAMIC CHIP a nF 10V Z Y5V TC 1005 R TP 6 CAP CERAM CH0000143 1 nF 50V K X7R HD 1005 R TP 6 CAP CERAM H0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C328 CAP CERAMIC CHIP ECT uF 6 3V 5 1005 R TP 6 C329 CAP CERAMIC CHIP CH0004904 1 uF 6 3V X5R 1005 R TP 127 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Specification Color Remark 6 C330 CAP CERAMIC CHIP CH0004904 1 uF 6 3V X5R 1005 R TP 6 C350 CAP CERAMIC CHIP 1 nF 50V K X7R HD 1005 R TP 6 CAP CERAM CH0000276 1 uF 10V Z Y5V HD 1608 R TP 6 CAP CERAM CH0000122 47 pF 50V J NPO TC 1005 R TP 6 C403 CAP CERAMIC CHIP uF 6 3V X5R 2012 R TP 6 CAP CERAM CH0001811 220000 pF 10V Z Y5V 1005 R TP 6 CAP CERAM CH0001811 220000 pF 10V Z Y5V 1005 R TP 6 C501 CAP CERAMIC CHIP 39 pF 50V J NPO TC 1005 R TP 6 RES CHIP HY0000201 0 ohm 1 16W J 1005 R TP 6 CAP CERAM 0000102 1 pF 50V NPO 1005 R TP 6 CAP CERAM H0000117 27 pF 50V J NPO TC 1005 R TP 6 CAP CERAM 0000113 18 pF 50V J NPO TC 1005 R TP 6 C507 CAP CERAMIC CHIP 10 nF 16V K X7R HD 1005 R
39. 101 05 30 V 1 A R TP 2 5 1 25 0 6 t 6 DIODE SWITCHING EDSY0012301 1 1E1A 85 V 1 A R TP P 200mW IFM 200mA s s 6 DIODE VARIABLE CAP EDVY0001202 Li n 6 FILTER EMI POWER SFEY0006401 SMD 6 Channel EMI ESD CSP Pb free 6 FILTER EMI POWER SFEY0006401 SMD 6 Channel EMI ESD CSP Pb free 6 FILTER EMI POWER SFEY0006401 6 Channel EMI ESD CSP Pb free 6 FILTER SEPERATOR SFAY0003802 900 1800 1900 3 0 dB 3 8 dB 25 dB 23 dB ETC 7 2 5 0 1 8mm 6 ENJE0003102 4 4 PIN BOSS 2 6 CONN SOCKET ENSY0007608 6 PIN ETC BRIDGE NON PROTECTOR TYPE 2 54 mm 2 7T 6 INDUCTOR CHIP ELCH0010401 2 2 uH M 1005 R TP 6 INDUCTOR CHIP ELCH0004103 4 7 1608 R TP CHIP 6 INDUCTOR CHIP ELCH0005002 2 7 nH S 1005 R TP 6 INDUCTOR CHIP ELCH0002716 5 1 nH J 1608 R TP coil inductor 6 INDUCTOR CHIP ELCH0002719 6 2 nH J 1608 R TP INDUCTOR 6 L550 INDUCTOR CHIP ELCH0005010 1 8 nH S 1005 R TP 130 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level 1 Description Part Number Specification Color Remark 6 L700 RES CHIP 0000201 0 ohm 1 16W J 1005 R TP 6 L701 INDUCTOR CHIP ELCH0010402 270 nH M 1005 R TP CHIP 6 INDUCTOR CHIP ELCH0009105 18 nH J 1005 R TP COIL 6 INDUCTOR CHIP ELCH0009105 18 nH J 1005 R TP COIL 6 TR FET P CHANNEL EQFP0004201 SETTI Wee do NDG652P upgrade substitution item Pb free 6 TR BJT NPN EQBN0004801 5 6 0 2 W R TP 6
40. 12 R117 4 7K Qpio se DATA13 DATA13 G13 2 Loo Bien SEDIE Greta LCD BAOKLIGHT DATA14 DATA14 D15 DATA15 DATA15 Controlled by _LCD_CS LCD_RESET _WR DATA 00 15 LCD_ID LCD CS RESET WR DATA 00 15 LCD ID 1 2 LCD 101 LCD ID 2 3 MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin This pin resets LCD module This signal comes from DBB directly Write control Signal Parallel data lines LCD type selection signals LCD maker 2 4V is SII OV is HyeLCD for the future using Forusing 65K color data buses should be 16 bits 38 3 TECHNICAL BRIEF _LCD_RESET DATA00 1 02 DATA03 DATA04 05 DATA06 07 ADDO1 LCD CS _WR DATA08 DATA09 DATA10 12 DATA13 5 DATA15 FL400 128X128 LCD CONNECTOR CSPEMI306A 2V8_VMEM FL402 CSPEMI306A FILTER1 2 FILTER2 2 FILTER3 2 FILTER4 2 FILTERS 2 FILTER6 2 FL401 CSPEMI306A FILTER1 2 FILTER2 2 FILTER3 2 OOO hO 0 LCD LED CTRL gt LCD_LED_GND FILTER4 2 FILTERS 2 FILTER6 2 Oaod rao BOROBOBOSOSOFOROSOZO7O FO CSPEMIZ06A FILTER1 2 FILTER2 2 FILTER3 2 FILTER4 2 FILTERS 2 FILTER6 2 2V8 A TP
41. 203 ML2871HB IOVDD ROUT LOUT DATA15 DVDD DATA14 2V8_VEXT AVLC18S02003 AVLC18S02003 AVLC18S02003 CLOSE TO HEADSET JACK Q200 IMX9T110 J gt MIDI KEY_BL1 AVLC14S02050 0299 DATA13 DGND DATA12 DATA11 PO_PWMA DATA10 P5 VIB DATA09 DATA08 AOUT R224 gt C224 0 0224 20K C225 0 022 gt MIDI KEY BL2 U202 NLAS4684MR2 lt 0 2MM AVLC14S02050 c298 SPK P 2V8 VEXT SPK SEL gt gt J 5 REC gt 0204 NLAST4599DFT2 2V8_VEXT 0 0 2 lt RADIO ADD00 R229 MIDI CS 39K MIXOUT AAA _RD 1 C226 10 0220 WR VREF _MIDI_RESET SPOUT SPOUT SPVDD SPGNDI SPGND2 4 7K TNA R238 51 SPGND3 SPGND4 LGIC 42 A 5505 10 01 U206LM4890LD R228 2 lt REC P gt HEADSET SPK OUT P U205 6227 NLAS4684MR2 p 100 d RADIO_SPK_L RADIO_SPK_R 5 4 SPK_RADIO_SEL R232 gt gt HEADSET_SPK_OUT_N RADIO SPEAKER PHONE SEL RADIO SEL lt HEADSET_SPK_N HEADSET_SPK_P gt RADIO SEL OUTPUT SPEAKER PHONE SHUTDOWN BYPASS VDD
42. 3 400 0 3 000 2 2 2 4 000 Mean that Adopt a straight line in between 300 Hz and 1 000 Hz to be Max level in the range STMR 13 5 dB Stability Margin gt 6 dB Distortion dB to ARL dB Level Ratio dB 17 5 10 Side Tone Distortion Three stage distortion lt 10 System Frequency 13 MHz Tolerance lt 2 5 ppm 32 768KHz Tolerance Ringer Volume 30 ppm At least 65 dBspl under below conditions 1 Ringer set as ringer 2 Test distance set as 50 cm 11 2 PERFORMANCE Description Specification Fast Charge lt 430 mA Charge Current d Slow Charge 160 mA Antenna Bar Number Power 85 dBm Antenna Display 95 dBm 91 dBm 5 4 90 dBm 86 dBm 3 2 100 dBm 96 dBm 1 105 dBm 101 dBm 0 105 dBm Battery Bar Number Voltage 3 36 3 58V 3 59 3 66 Battery Indicator 3 67 3 73V 2 3 3 74V 3 87V 4 3 88V Low Voltage Warning 3 59 0 03V Call 3 50 0 03V Standby Forced shut down 3 35 0 03V Voltage 1 Li ion Battery Battery Type Standard Voltage 3 7V Battery full charge voltage 4 2V Capacity 780mAh Switching mode charger Travel Charger Input 100 240V 50 60 Hz Output 5 2V 800 mA 12 3 TECHNICAL BRIEF 3 TECHNICAL BRIEF 3 1 Transceiver S14205 BM
43. 301 1 4 TAPE WINDOW MTAD0030601 Withou 3 Color 4 MTAZ MTAZ0063601 Withou 29 Color 3 ACGM00 COVER ASSY REAR ACGM0044201 Black 4 MCJNOO COVER REAR MCJN0030101 Black 17 4 TAPE PROTECTION MTAB0069501 Without Color 4 70063501 Without 27 Color 3 AKAZOO KEYPAD ASSY AKAZ0007509 Black 7 3 GMEY00 SCREW MACHINE BIND GMEYO004001 1 4 mm 4 0 mm MSWR3 BK HEAE t 0 6 HEAD d2 5 Black 25 3 GMZZ00 SCREW MACHINE GMZZ0015101 1 4 mm 3 0 mm MSWR3 FN Silver 18 3 CAP MOBILE SWITCH MCCF0020901 Black 11 3 MCCH00 CAP SCREW MCCH0039801 Black 12 3 MLAKOO LABEL MODEL MLAK0013601 ined 13 5 ADCA00 DOME ASSY METAL ADCA0030501 4 14 123 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Color Remark 5 MGADOO GASKET SHIELD FORM MGAD0079301 Gold 21 5 MTACOO TAPE SHIELD MTAC0021401 Gold 24 5 MTACO1 TAPE SHIELD MTACO021302 3X6X0 28t meterial EMI TAPE Gold 23 5 MTAC02 TAPE SHIELD MTAC0021402 30X25X0 28t material EMI TAPE Gold 5 20060101 Without 22 Color Without 5 MLAB00 LABEL A S MLAB0000601 STICKER Color Without 5 MLAC00 LABEL BARCODE MLAC0003301 EZ LOOKS use for PCB ASSY MAIN hardware Color 124 12 EXPLODED VIEW amp REPLACEMENT PART LIST 12 2 Replacement Parts lt Main component gt Note This Chapter is used for reference Part order is ordered by SB
44. 355 R356 e PRECHARGE gt HESSE 1 5K 5 x 47K cor Figure 3 21 CIRCUIT FOR BATTERY CHARGING AT AD6537B In order to reduce time for trickle charging additional circuit Pre charge circuit was included This circuit has supplied Max 160mA current into the battery additionally So call it it reduce trickle charging time 37 3 TECHNICAL BRIEF 3 7 Display and Interface e LCD WE 112 _LBS Use TP114 TPi16 NWE NLWR 5 NHWR NRD _ADV _WAIT v4 NWAIT BURSTCLK lt BURSTCLK 35 28 MIDI 6 NAUXCS1 LCD CS V7 GPIO_42_NMAIN_LCD_CS C129 1000 NGPCS1 GPIO_43_NSUB_LCD_CS VDDUSB VDDRTC N10 CLKIN CLKON lt P122 PS CLKON OSCOUT OSCIN PWRON lt oW PWRON RESET gt NRESET Lis RADIO STO lt lt GPIO 0 IRDA TX RADIO DETECT Kis 1 IHDA SPK RADIO SEL DATAO GPIO 2 EN DATA1 DATA01 Kia DATA2 DATA02 CED one DATA3 DATA03 2 lt XONNOFF RADIO_SCL lt un _ lt lt PWRON RADIO_VOL_CLK _LCD_RESET His DATA4 DATA04 Re quoc DATA5 DATA05 4 12 a DATA6 DATA06 GPIO 14 8 Gio 16 DATA7 DATA07 GPIO 17 DEBUG DATA8 DATA08 DEBUG_RX gt ee DEBUG TX lt lt Gpio_34_DEBUG_TX DATA9 DATA09 BATT_EPROM 818 Gpio_ss ESE DATA10 DATA10 RINGTONE lt 5 DATA11 DATA11 GPIO_40 i DATA12 DATA
45. 5 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 C114 CAP CERAMIC CHIP 1 uF 6 3V K X5R TC 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 C117 CAP CERAMIC CHIP 2 2 uF 6 3V X5R 1608 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM H0004904 1 uF 6 3V X5R 1005 R TP 125 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level 2 Description Part Number Specification Color Remark 6 C120 CAP CERAMIC CHIP CH0000122 47 pF 50V J NPO TC 1005 R TP 6 C121 CAP CERAMIC CHIP 68 nF 6 3V K X5R HD 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0000143 1 5 7 1005 6 C124 CAP CERAMIC CHIP 1 nF 50V K X7R HD 1005 R TP 6 CAP TANTAL CHIP 0001701 10 uF 6 3V L_ESR 2012 R TP 6 CAP CERAMIC CHIP CH0000143 1 nF 50V K X7R HD 1005 R TP 6 C132 CAP CERAMIC CHIP uF 6 3V K X5R 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NPO TC 1005 R TP 6 CAP CERAM H0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM H0000120 39 pF 50V J NP0 TC 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NP0 TC 1005 R TP 6 C137 CAP CERAMIC CHIP uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V
46. 5 5 1 8V Low Voltage Comparator with Rail to Rail Input Pb Free 6 U202 Ic 10 PIN R TP DUAL SPDT ANALOG SWITCH 6 U203 IC 05 0212401 35 PIN R TP 6 U204 IC EUSY0077301 70 6 6 PIN R TP SPDT Analog switch 6 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Specification Color Remark 6 U206 Ic EUSY0149701 LLP 10 PIN R TP 1 Watt Audio Power Amplifier Leadless Type 6 U300 IC 05 0250201 88 PIN R TP 128T 32ps MLC 8X10 6 U400 IC 05 0238201 QFN 16 PIN R TP 3 LEDs WHITE LED CHARGE PUMP SOT23 5 PIN R TP 2 85V 150mA Low Noise uCap LDO 6 U401 IC EUSY0118602 Regulator 6 8x8 LGA 28 PIN R TP 35 dBm 55 2 50 dBc 25 dB 6 0 6 0 1 4 SMD GSM 6 SMPY0008901 QUAD PAM 6 EUSY0227301 BCC32 32 PIN R TP stereo radio IC 6 U701 IC 05 0220901 LDA10A 10 PIN R TP Dual 105mW Headphone Amplifier SOT23 5 PIN R TP 2 85V 150mA Low Noise uCap LDO 5 EUSY0118602 Regulator PBFREE 6 VARISTOR SEVY0004001 18 V SMD 3pF 1005 6 VA203 VARISTOR SEVY0004001 18 V SMD 3pF 1005 6 VARISTOR SEVY0004001 18 V SMD 3pF 1005 6 CAP CERAMIC CHIP 0004904 1 uF 6 3V X5R 1005 R TP 6 RES VARIABLE ETC ERVz0000101 i PIN SMD R TP 1005 SIZE CHIP VARISTOR Pb 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V S
47. 6 VbControl6 VbControl6 bit Register Value Setting 9 1 9 DAI Digital Audio Interface This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing 1 DAI AUDIO DAI audio mode 2 DAI UPLINK Speech encoder test 3 DAI DOWNLINK Speech decoder test 4 DAI OFF DAI mode off 9 2 RF Test MENU 2 9 2 1 SAR test This menu is to test the Specific Absorption Rate 1 SAR test on Phone continuously process TX only Call setup equipment is not required 2 SAR test off TX process off 111 9 ENGINEERING MODE 9 3 MF mode MENU 3 This manufacturing mode is designed to do the baseband test automatically Selecting this menu will process the test automatically and phone displays the previous menu after completing the test 9 3 1 All auto test LCD Backlight Vibrator Buzzer Key Pad Mic amp Speaker 9 3 2 Backlight LCD Backlight is on for about 1 5 seconds at the same time thenoff 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 9 3 6 Key pad When a pop up message shows Press Any Key you may press any keys including side keys but not Soft2 Key If the key is working properly name of the key is dis
48. 700 is OK NO Change U205 Change U701 Check Soldering Component Around U701 OK GO to 4 10 Earphone Trouble NO Resolder the component YES Change U700 Check Soldering of L202 amp C219 YES Check Soldering Component Around U700 OK Resolder the component NO Resolder L202 amp C219 Change main board 70 4 TROUBLE SHOOTING 4 8 Speaker Trouble TEST POINT 0536 E 6534 sl X500 8 5 71 4 TROUBLE SHOOTING CIRCUIT DIAGRAM 2V8_VEXT 2V8_VEXT A 203 ML2871HB IOVDD ROUT c2 LOUT 59 6221 6222 tur DATA15 DVDD tuy DATA14 DATA13 DGND DATA12 ili DATA11 P0 PWMA 0204 DATA10 P5_VIB gt VIBRATOR NLAST4599DFT2 DATA09 R224 DATA08 AOUT 6224 0 022u 20K C225 0 022u R227 MIXIN T 5 COM ADD00 R229 10K MIDI_CS MIXOUT j R230 T tu I C226 0 022u P _WR VREF 218 MIDIRESET S VBAT SPOUT A C220 0 0154 6235 5 1 SPVDD 13MHZ gt SPONDI C231 0 015 R238 56K IRQ lt SPGND2 x R239 SAK SPGND3 U206LM4890LD SPGND4 C233 C234 47 47 0299 omm 0202 NLAS4684MR2 CN200 u C298 NA SPK_S
49. 77 1 B SIM_DATA gt SIM_CLK VA307 VA308 VA309 VA310 GNDS GND2 KEY COLO gt avic14so2059 AV 9 600 AVLC14S02050 AVLC14S02050 AVLC14S02050 AVLC14S02050 ONDA GNDS RTSICTSIFO KEY_COL1 gt VA301 AVL5M02 200 2 CTS RTS PC R341 680 E KEY COL2 gt R342 KEY COL3 gt R343 KEY COL4 gt VA331 AVLC14S02050 U300 RD38F3050L0ZBQO KEY BACKLIGHT PRECHARGE CIRCUIT MEMORY DATAOI DATAO1 128 32PSRAM UA DATA04 DATA05 EUSY0250201 DATA06 DATA07 M36L0T7050TO DATAOR LEBE S14H VCHARGE n DATA09 LD300 DATA10 T DATA11 LD302 0301 LD303 0304 LD305 DATA12 LEBB S14H LEBB S LEBB S14H LEBB S14H LEBB S14H DATA13 DATA14 DATA15 2012 1 R352 R353 215 1K MIDI_KEY_BL1 55 ower 2V8 VMEM 1V8 VCORE A A MIDI_KEY_BL2 gt R355 R356 2 Gini PRECHARGE gt A 15 47K lt RESET row cs Sign amp Name Sheet Sheets _ROM_CS2 Date MODEL LEE S Y 03 20 DRAWING NAME MEMORY MMI DRAWING an LGIC 42 A 5505 10 01 LG Electronics Inc 103 7 CIRCUIT DIAGRAM _LCD_RESET DATA00 DATA01 DATA
50. 8 SCREW M1 4_H3 0 4 GMZZ0015101 17 COVER REAR 1 MCJNO030101 16 VIBRATOR 1 SJMY0007001 15 PCB ASS Y 1 SAFYO119701 14 DOME ASSY METAL 1 ADCA0030501 13 LABEL 1 MLAK0013601 12 CAP SCREW 1 0039801 11 CAP MOBILE SWITCH 1 MCCF0020901 10 INTTENNA 1 SNGF0006401 9 CAP EARJACK 1 MCCC0020201 8 LCD MODULE 1 SVLY0025501 7 455 1 AKAZ0007501 6 PAD LCD 1 MPBG0028301 5 SPEAKER 1 SUSY0014801 4 COVER FRONT 1 MCJK0033701 3 TAPE WINDOW LCD 1 MTAD0030601 2 WINDOW ASSY LCD 1 AWAB0016501 1 TAPE PROTECTION 1 MTAB0062301 no orano no 122 12 EXPLODED VIEW amp REPLACEMENT PART LIST 12 2 Replacement Parts lt Mechanic component gt Note This Chapter is used for reference Part order is ordered by SBOM standard on GCSC Level i Description Part Number Specification Color Remark 1 GSM BAR FILP TGSM0039409 Black 2 AAAY00 ADDITION AAAY0128019 Black 3 MCJA00 COVER BATTERY MCJA0013801 Black 20 2 PHONE APEY0177393 Black 3 ACGK00 ASSY FRONT ACGK0044606 Black 4 AWABOO WINDOW ASSY LCD AWAB0016502 RADIO Silver 2 5 BFAA00 FILM INMOLD 0024302 FM RADIO 5 WINDOW LCD MWAC0046802 FM RADIO pa 4 CAP EARPHONE JACK MCCC0020201 Black 9 4 COVER FRONT MCJK0033704 Black 4 4 Micz INSERT 20016801 Withou 26 Color 4 PAD LCD MPBG0028301 Withou 6 Color 4 TAPE PROTECTION MTAB0062
51. AP CERAM CH0000120 39 pF 50V J NPO TC 1005 R TP 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 C318 CAP CERAMIC CHIP 1 uF 6 3V X5R 1005 R TP 6 C319 CAP CERAMIC CHIP 1 uF 6 3V X5R 1005 R TP 6 C320 CAP CERAMIC CHIP EL uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C323 CAP CERAMIC CHIP uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C489 CAP CERAMIC CHIP r uF 6 3V X5R 1005 R TP 6 4 I9 ENBY0018701 41 PIN 0 3 mm STRAIGHT 0 9t stacking height 6 DIODE LED CHIP EDLH0004502 BLUE 1608 R TP 0 35T 6 DIODE LED CHIP EDLH0004502 BLUE 1608 R TP 0 35T 6 DIODE LED CHIP EDLH0004502 BLUE 1608 R TP 0 35T 6 DIODE LED CHIP EDLH0004502 BLUE 1608 R TP 0 35T 6 DIODE LED CHIP EDLH0007901 RED 1608 R TP Indicator 0 4T Red LED 6 RES CHIP ERHY0000247 2 2 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000247 2 2 ohm 1 16W J 1005 R TP 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level D ea Description Part Number Specification Color Remark 6 R344 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 R345 RES CHIP ERHY0000213 47 ohm 1 16W J 1005 R TP 6 RES
52. CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 RES CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 R348 RES CHIP 0000213 47 ohm 1 16W J 1005 R TP 6 5 0000213 47 ohm 1 16W J 1005 R TP 6 5 ERHY0000239 820 ohm 1 16W J 1005 R TP 6 R400 RES CHIP ERHY0000274 51 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000274 51K ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000274 51K ohm 1 16W J 1005 R TP 6 RES VARIABLE ETC ERVZ0000101 PIN SMD R TP 1005 SIZE CHIP VARISTOR Pb ohm PIN SMD R TP 1005 SIZE CHIP VARISTOR Pb 6 VA201 RES VARIABLE ETC ERVZ0000101 Free 5 SPFYOO PCB MAIN SPFY0095301 FR 4 1 0 mm BUILD UP 8 137 12 EXPLODED VIEW amp REPLACEMENT PART LIST 1 2 3 Accesso ry Note This Chapter is used for reference Part order is ordered by SBOM standard on GCSC Level 425252 Description Part Number Specification Color Remark 3 MHBYOO HANDSTRAP 0002101 75100 RUSSV Square Coupling Cow Leather Metal Silver 3 7 V 830 mAh 1 CELL PRISMATIC FG101 Without 3 SBPLOO PACK LI ION SBPL0077901 RUSSV423450 Innerpack Color 3 SGEY00 PHONE EAR MIKE SET SGEY0003503 101 STERO Y TYPE 160HM 100 240V 60 Hz 5 2 V 800 mA CE CB GOST EU 3 SSADOO ADAPTOR AC DC SSAD0007828 PLUG 24P STD 138
53. ED 4 VOUTNOR AOTU1 130 VINNOR AUXIP AIN2 XDUTS AUXOP1 EAR MIC AOUT2 AUXOR2 JACKDETECT HOOKDETECT 99 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM RF BEE Project RF Block Diagram NY O DCS PCS_OUT GSM_OUT PCS_IN PAM RF3166 FEM Murata TX_RAMP PA_BAND 2V75_VTCXO DCS PCS_IN Tranceiver a SEN AFC 2V8_VRT L D O VSYNTHEN ANT_SW1 ANT_SW2 g Z gt 100 2V8_VEXT A ADDOO ADDO1 ADDO2 ADD03 ADD04 ADD05 ADD06 ADD07 ADD08 ADD09 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ADD18 ADD19 ADD20 ADD21 ADD22 ADD23 _RAM_CS _ROM_CS1 _WAIT gt BURSTCLK lt 15 _LCD_CS C129 1000p N10 100 MC 146_7pF 3 d TP122 P13 CLKON 65 Ch te E9 32 768KHz KDS121E RPWRON lt VCHARGE VA333 AVLC14S02050 lt ONNOFF RADIO SCL PWRON _RESET gt RADIO_STO RADIO_DETECT SPK_RADIO_SEL RADIO_SEL LCD_DIM_CTRL RADIO_SDA gt 16 Cha H18 IADIO_VOL_CLK _LCD_RESET RADIO_AMP_SHDN _MIDI_IRQ BATT_EPROM 15 K5 R131 2V8_VMEM JACK_DETECT gt RADIO VOL CTRL 7 R117 4 7K AAA A12 R118 BOOT EXT CLOCK LGIC 42 A 5505 10 01 AMP_EN 613 LCD_BL_EN 015 KEY_ROWO KEY_ROW1 KEY_ROW2
54. EL gt a 72 4 TROUBLE SHOOTING Checking Flow NO Reassemble speaker Check the state of contact of dual mode speaker YES Check U202 works properly Re solder U202 Check U206 works properly Re solder U206 Check Voltage level of 4 5 pin of U206 NO Re solder the components Replace U203 YES Speaker Works properly Change main board Speaker working 474 4 TROUBLE SHOOTING 4 9 SIM Card Interface Trouble TEST POINT CIRCUIT DIAGRAM SIM CONNECTOR 2V85_VSIM 2V85_VSIM R336 300 R337 SIM_RST A310 SIM_DATA gt 894 0 SIM_CLK 0 GND5 GND2 VLC14S02050 GND4 GND3 C314 C315 C316 C317 T NA 220n 1000p NA 74 4 TROUBLE SHOOTING Checking Flow START Does the SIM cards supports 3V Change the SIM Card Our Phone supports only 3V SIM card YES Replace J300 or check soldering of components Voltage at VSIM of U101 Is 3V Voltage at pint of 4300 is 3V Redownload SW Does it work Properly Change the SIM Card And try again Does it work Properly Change the main board SIM Card will be detected Change SIM Card 75 4 TROUBLE SHOOTING 4 10 Earphone Trouble TEST POINT CI
55. JTAG 120X120 TP400 TP401 Figure 3 22 LCD INTERFACE CIRCUIT 39 3 TECHNICAL BRIEF 3 8 Radio Interface B2070 has a built in FM Radio FM Radio Uses Ear Mic as the Antenna IC for FM Radio is Niigata NS953 B2070 can produce FM Radio Sound Both through Speakerand Ear Mic RADIO OPTION udi RADIO_ANT 100nH 100nH C700 100p I1 C703 0 10 06 m gt DI HVC376B 32 768KHz 2 4m 3 n MC 146 12 5pF X200 218 RADIO RSSI VEXT U701 LM4811LD 10 1 2V8_VMEM R421 51K R422 NA RADIO_DETECT RADIO PULL UP EXISTENCE PULL DOWN NONEXISTENCE gt RADIO_SPK_R RADIO_VOL_CTRL RADIO_VOL_CLK 3 RADIO_SDA RADIO_SCL RADIO_STO Figure 3 23 Radio Circuit 40 gt RADIO SPK L X RADIO SHDN 3 TECHNICAL BRIEF 3 9 Keypad Switches and Scanning The key switches are metal domes which make contact between two concentric pads on the keypad layer of the PCB when pressed There are 21 switches Normal Key 21EA No sidekey connected in a matrix of 5 rows by 5 columns and additional GPIO 35 for KEY ROWB as shown in Figure 3 24 except for the power switc
56. K Bex 47K lw 2565585 j 55 p 0301 25x 852 tc m 86 4 TROUBLE SHOOTING Checking Flow Indication LED only operates in trickle charging mode START Voltage level NO at 3pin of Q401 Is about 40mV Voltage level at 2pin of Q401 Is about 680mV Resolder Q401 Resolder Q301 Voltage level at 2pin of Q301 Is low Check soldering of R350 Resolder R350 Change main board Replace LD306 87 4 TROUBLE SHOOTING 4 16 PTT Trouble CIRCUIT DIAGRAM 2V8_VEXT U204 NLAST4599DFT2 8226 0 2MM 8228 2MM lt RADIO REC P lt RADIO SEL Checking Flow START Connection between FPCB and CN601 is OK Reconnect FPCB to CN601 SPKP LDO EN signal is High AMP SD signal is Low Soldering between able and board is OK2 No Resolder the Cable SPK_P_SM signal is High Cables of Receiver are OK Change the Receiver AMP_SD signal is High PTT is Operated Only receiver is Operated 88 4 TROUBLE SHOOTING 4 17 Speakerphone Trouble TEST POINT 719 701 c3 2 C208 2200 C113 C731 2 1401
57. LG 02089 LG Service Manual Table Of Contents INTRODUCTION 2 T Zire 2 1 2 Regulatory Information 2 1 3 Abbreviations 4 PERFORMANCE 6 2 1 H W Feature 6 2 2 Technical Specification 8 TECHNICAL BRIEF 13 9 1 TIANSCEGIVET ayu ls na qapas 13 3 2 Power Amplifier Module 19 3 9 13 MHZ CIOCK 20 3 4 Power Supplies of RF circuits 20 3 5 Digital Main Processor 22 3 6 Analog Main amp Power Management Processor 28 3 7 Display Interface 38 3 8 Radio Interface 40 3 9 Keypad Switches and Scanning 41 3 10 Microphone 2 3 nike ini 42 3 11 Main Speaker 42 3 12 Headset interface 43 3 13 Key Back light Illumination 44 3 14 VIDrator ue erret iren 45 TROUBLE SHOOTING 46 4 1 RX Trouble uu uuu lu Rr REIR 46 4 2 TX 53 4 3 Power On Trouble 61 4 4 Charging Trouble 63 4 5 Vibrator Trouble 65 4 6 LCD Trouble 67 4 7 Radio Trouble 69 4 8 Speaker Trouble
58. MD 50pF 1005 6 VA304 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 7 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 10 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA331 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA332 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 VA333 VARISTOR SEVY0001001 14 V SMD 50pF 1005 6 X100 X TAL EXXY0015601 032768 MHz 20 7 pF 65000 ohm SMD 6 9 1 4 1 3 6 X200 X TAL EXXY0015601 032768 MHz 20 PPM 7 pF 65000 ohm SMD 6 9 1 4 1 3 135 12 EXPLODED VIEW amp REPLACEMENT PART LIST 136 Level Description Part Number Specification Color Remark 6 X500 VCTCXO EXSK0006501 PPM 10 pF SMD 3 2 2 5 1 2 SV 2 850 AFC 6 CAP CERAMIC CHIP 0000120 39 pF 50V J NPO TC 1005 R TP 6 CAP TANTAL CHIP MAKER CTZ0005201 10 uF 6 3V M L_ESR 1608 R TP 6 C209 CAP CERAMIC CHIP 39 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0000120 39 pF 50V J NPO TC 1005 R TP 6 CAP CERAM CH0000182 0 1 uF 10V X5R 1005 R TP 6 C213 CAP CERAMIC CHIP 39 pF 50V J NPO TC 1005 R TP 6 C
59. MI Control Processor 58 5 MHz operation at 1 7V On board 16KB instruction Data Cache 1 Mbitsof on chip System SRAM 2 DSP Subsystem 16 bit Fixed Point DSP Processor 91 MIPS at 1 7V 16K word Data and 16K word Program SRAM 4K word Program Instruction Cache Architecture supports Full Rate Enhanced Full Rate Half Rate and AMR speech Encoding Decoding Algorithms 3 Peripheral Subsystem Shared on chip peripheral and off chip interface Support for Burst 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 Dedicated SPI interface Thumbwheel Interface JTAG Interface for Test and In Circuit Emulation 4 Other Supports 13 MHz and 26 MHz Input Clocks 1 8V Typical Core Operating Voltages 204 Ball LFBGA mini BGA Package 5 Applications GSM900 DCS1800 PCS1900 PCS850 Wireless Terminals GSM Phase 2 Compliant GPRS Class 12 Compliant Multimedia Services MMS Extended Messaging System EMS 23 3 TECHNICAL BRIEF 3 5 1 Interconnection with external devices A RTC block interface Counter
60. OM standard on GCSC Level Description Part Number Specification Color Remark 4 SUSY SPEAKER SUSY0014801 8 ohm 88 dB 20 mm 14mm 5 4 3 V 0 085 A 4 12 5 6 6T L3100 SILINDER 16 3 SAFY00 PCB ASSY MAIN SAFY0119732 15 4 PCB ASSY MAIN INSERT SAFB0040302 5 2 V 1 mAh COIN SOLDER TYPE BACKUP BATTERY 19 5 SNGF00 ANTENNA GSM FIXED SNGF0006401 3 0 2 EGSM DCS PCS Radio Intenna 10 5 SUMY00 MICROPHONE SUMY0003802 42 dB 4 1 5 5 svivoo LCD SVLY0025501 Bu e 35 78 39 7 65k CSTN ST7636 8 4 SAFF00 ASSY MAIN SMT SAFF0058617 5 5 0047303 6 100 CAP CERAMIC CHIP ECCH0000163 7 nF 10V K X5R HD 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 1005 R TP 6 C103 CAP CERAMIC CHIP 1 uF 6 3V K X5R TC 1005 R TP 6 CAP CERAM CH0000163 47 nF 10V K X5R HD 1005 R TP 6 CAP CERAM H0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM H0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM CH0000163 47 nF 10V K X5R HD 1005 R TP 6 C108 CAP CERAMIC CHIP E nF 10V K X5R HD 1005 R TP 6 CAP CERAM CH0000393 22 uF 6 3V X5R 2012 R TP 6 CAP CERAM 0000115 22 pF 50V J NPO TC 1005 R TP 6 C111 CAP CERAMIC CHIP m nF 10V K X5R HD 1005 R TP 6 CAP CERAM 0004904 1 uF 6 3V X5R 100
61. RATOR U401 MIC5255 2 85BM5 IN our R315 3 4 MIDI_VIBRATOR gt EN BYP 1 5K Figure 3 28 MOTOR 45 4 TROUBLE SHOOTING 4 TROUBLE SHOOTING 4 1 RX Trouble TEST POINT TRANCEIVER 13MhZ mn OSCILLATOR E L Figure 4 1 a 46 4 TROUBLE SHOOTING Checking Flow START HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check regulator circuit Check amp Mobile SW Redownload SW or Do calibration again 47 4 TROUBLE SHOOTING 1 Checking Regulator Circuit TEST POINT Checking Flow Voltage at Pin5 of U702 Is 2 8V Regulator Circuit is OK Replace U702 See next Page to check Level at Pin3 of U702 Is high Change main board VCTCXO 48 4 TROUBLE SHOOTING 2 Checking VCTCXO Circuit TEST POINT Checking Flow Yes Check Pin 3 lt lt MHz ORT Refer to Graph 4 1 b No Yes Check Pin 4 EN 0K gt Changing X500 Refer to Graph 4 1 a No CIRCUIT VCTCXO Circuit is OK See next Page to check ANT SW amp Mobile SW 2V75_VVCXO Tek Run 5 00MS s Sample c e High o1 470 0 496 0mY Mean C1 3059mv 26 02 i Chi 200 20 0 5 0055 200psipt A Chi
62. RCUIT DIAGRAM 218 VEXT MEADSELSPK QUT P 2V8 VEXT 2V5 JACK A TM i m RADIO_SPK_L 0200 563025 1 RADIO SPK gt HEADSET SPK OUT N 1 GND NC 2 4 2 3 4 RADIO SEL gt lt HEADSET SPK N C207 c C208 c 2V5 JACK 2V8 VEXT 218 VEXT 10 10u HEADSET_SPK P gt i L HEADSET JACK R201 R202 2 2K 1M L U201 MAX9075EXK T C203 R204 HEADSET_MIC_N lt R05 20 ni w an 5 i 204 C205 C206 33 HOOK DETECT TEES 233 3 en gt R209 220K 1608 ita 1200 2 2uH 4200 HEADSET_SPK_OUT_P gt ou a ar HEADSET_MIC_P 1213 T JACK_DETECT m 1608 E 1201 2 2uH M HEADSET OUT 5 5 A RADIO_ANT 6217 R216 C216 C218 VA202 203 VA204 T 39p r 1202 39p 1M 39p 8 8 8 C219 270nH 1Op 1608 4 5 5 CLOSE HEADSET JACK 7G 4 TROUBLE SHOOTING Checking Flow Resolder J200 Does the audio Level at profile of the phone Resolder R123 R216 ACK_DETECT i change to the is E signa or Replace J200 earphone mode Set the audio part of Set the audio part the test equipment to of the test Equipment Change the e
63. T1 NC G16 NC B7 NC B5 di VCHARGE VBATSENSE VCHG ISENSE R109 330 GATEDRIVE 102 HEADSET_MIC_P AOUTIP C131 NA lt HEADSET MIC C133 C134 C1 38 C136 AOUTIN I C139 AOUT2P1 AOUT2P2 AOUT2N1 AOUT2N2 AOUT3P Tom AOUT3N GPI Section Date Sign amp Name Checked Approved 2005 03 20 2005 03 20 2005 03 20 KIM H J LEE S Y KIM B Y LG Electronics Inc MODEL DRAWING NAME DRAWING NO HEADSET SPK P HEADSET SPK N Sheet Sheets Hermes 6527 Typhoon 6537B B2070 Ver 1 1 LG Electronics Inc 7 CIRCUIT DIAGRAM 2V5_JACK C203 R205 20 2V8 VEXT 2 8 VEXT HEADSET JACK U201 7291 0 4 15 a T C204 R206 c205 NA 4 HEADSET MIC N lt lt 1608 2 100 3 gt HOOK DETECT 2 L200 2 2uH HEADSET SPK OUT P R21 HEADSET MIC P 9 JACK DETECT R213 0 1608 100 1201 2 2uH HEADSET SPK OUT N gt RADIO_ANT 2V5_VMIC 2V8_VEXT 2V5_JACK U200 NCP563Q25T1 1 GND NC 4 MIC200 VA203 204 L202 C219 270nH 10 1608 4 7uH 2V8 VEXT U
64. W J 1005 R TP 6 RES CHIP ERHY0000247 2 2 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000263 15 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP 0000220 100 ohm 1 16W J 1005 R TP 6 R504 RES CHIP ERHY0000223 150 ohm 1 16W J 1005 R TP 133 12 EXPLODED VIEW amp REPLACEMENT PART LIST U205 IC EUSY0119001 10 PIN R TP DUAL SPDT ANALOG SWITCH 134 Level Description Part Number Specification Color Remark 6 R505 RES CHIP ERHY0000223 150 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000224 180 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000224 180 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000220 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000206 18 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000206 18 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000262 12 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000241 1 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000262 12 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000201 0 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000254 4 7 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000280 100 ohm 1 16W J 1005 R TP 6 RES CHIP ERHY0000241 1 ohm 1 16W J 1005 R TP 6 ENWY0003001 STRAIGHT SMD 0 6 dB 3 8X3 0X3 6T s ediz sa pu u fe Beda 6 U201 Ic EUSY0077701 SC70
65. X7R HD 1005 R TP 6 CAP CERAM 0000102 1 pF 50V NPO 1005 R TP 6 CAP CERAM CH0000143 1 nF 50V K X7R HD 1005 R TP 6 C717 CAP CERAMIC CHIP 10 uF 4V X5R 1608 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM H0004904 1 uF 6 3V X5R 1005 R TP 6 CAP CERAM 0000161 33 nF 16V K X7R HD 1005 R TP 6 CAP CERAM CH0004904 1 uF 6 3V X5R 1005 R TP 6 C722 CAP CERAMIC CHIP 1 uF 6 3V X5R 1005 R TP 6 C723 CAP CERAMIC CHIP CH0004904 1 uF 6 3V X5R 1005 R TP 129 12 EXPLODED VIEW amp REPLACEMENT PART LIST Level Description Part Number Specification Color Remark 6 C724 CAP CERAMIC CHIP CH0000279 0 47 uF 10V Z 5 1608 R TP 6 C725 CAP CERAMIC CHIP mne nF 10V K X5R HD 1005 R TP 6 CAP CERAMIC CH0000113 18 pF 50V J NPO TC 1005 R TP 6 CAP CERAMIC CH0000113 18 pF 50V J NPO TC 1005 R TP 6 C728 CAP CERAMIC CHIP uF 6 3V X5R 1005 R TP 6 CAP CERAMIC CH0000117 27 pF 50V J NP0 TC 1005 R TP 6 CAP CERAMIC CH0000117 27 pF 50V J NP0 TC 1005 R TP 6 C732 CAP CERAMIC CHIP 27 pF 50V J NP0 TC 1005 R TP 6 CAP CERAMIC CH0000117 27 pF 50V J NP0 TC 1005 R TP 6 CAP CERAMIC H0000155 10 nF 16V K X7R HD 1005 R TP 6 CONNECTOR I O ENRY0003501 24 0 5 mm ANGLE 6 DIODE SWITCHING EDSY0012
66. arphone PRBS or continuous to echo mode and try again wave mode Voltage level check Of HEADSET_SPK_OUT_P amp HEADSET_SPK_OUT_N signal Can you hear your voice from the earphone Can you hear your voice from the earphone Can you hear the sound from the earphone YES Voltage level check Of HEADSET MIC P Resolder components Earphone will work properly Check U200 amp U205 works properly NO Resoler U200 amp U205 Change main board 77 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT Pid PI B 0 4 TROUBLE SHOOTING CIRCUIT DIAGRAM KEY BACKLIGHT R347 47 R348 R349 47 MIDI_KEY_BL1 gt MIDI_KEY_BL2 gt VBAT C318 C319 C320 d ad R344 lt R345 lt R346 6323 C321 C322 247 47 47 1u 1u 1u LEBB S14H LD30 LEBB S14F LEBB S14H Checking Flow START s the voltage level VBA Charge battery Are all LEDs Working Check the soldering each R and LED Replace or resoldering component YES Backlight will work properly 79s 05 BB S14H 4 TROUBLE SHOOTING 4 12 Receiver Trouble TEST POINT 415 R111 47 AOUT1P 15 2 gt REC_P AOUTIN
67. ation againg 52 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT _ Mobile SW aia issaiie isis TRANCEIVER 13Mhz OSCILLATOR PAM 53 4 TROUBLE SHOOTING Checking Flow HP8960 Test mode 62 CH 7 level setting TCH 62CH 60dBm setting BCCH Spectrum analyzer setting Oscilloscope setting Check regulator circuit Check FEM amp Mobile SW Check PAM contral signal Redownload SW or Do calibration again 54 4 TROUBLE SHOOTING 1 Checking Regulator Circuit TEST POINT Checking Flow Voltage at Pind of 0702 Is 2 8V Regulator Circuit is OK Replace U702 See next Page to check Level at Pin3 of U702 Is high Change main board VCTCXO 55 4 TROUBLE SHOOTING 2 Checking VCTCXO Circuit TEST POINT Check Check Refer to Graph 4 1 b Refer to Graph 4 Checking Flow Yes lt o Changing X500 1 0101 Circuit is OK See next Page to check ANT SW amp Mobile SW Pin 3 Pin 4 Tek Run 5 00MS s Sample 19 0 5 Ch2 X 1 42 V 1 00 Graph 4 1 a Honen 470 ed Mean C1 3059 Freq C1 2602 M20 0ns 50855 200psipt 21 2002 Chi 32 0m V 07 13 06 Graph 4 1 b 56 3 Checking Ant SW amp Mobi
68. besaved in the NVRAM 9 1 4 Buzzer This menu is to test the melody sound 1 Melody on Melody sound is played through the speaker 2 Melody off Melody sound is off 9 1 5 Vibrator This menu is to test the vibration mode 1 Vibrator on Vibration mode is on 2 Vibrator off Vibration mode is off 9 1 6 ADC Analog to Digital Converter This displays the value of each ADC 1 MVBAT ADC Main Voltage Battery ADC 2 AUX ADC Auxiliary ADC 3 TEMPER ADC Temperature ADC 110 9 ENGINEERING MODE 9 1 7 BATTERY 1 Bat Cal This displays the value of Battery Calibration The following menus are displayed in order BAT_LEV_4V BAT LEV 3 LIMIT BAT LEV 2 LIMIT BAT LEV 1 LIMIT BAT IDLE LI MIT BAT INCALL LIMIT SHUT DOWN VOLTAGE BAT RECHARGE LMT 2 TEMP Cal This displays the value of Temperature Calibration The following menus are displayed in order TEMP HIGH LIMIT TEMP HIGH RECHARGE TEMP LOW RECHARGE LMT TEMP LOW LIMIT 9 1 8 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 VbControH VbControl1 bit Register Value Setting 2 VbControl2 VbControl2 bit Register Value Setting 3 VbControl3 VbControl3 bit Register Value Setting 4 VbControl4 VbControl4 bit Register Value Setting 5 VbControl5 VbControl5 bit Register Value Setting
69. d Check SW501 Pin ANT RF with RF Cable connected Check SW500 Pin ANT RF with No RF Cable Connected Check R512 R515 R517 Check whether FEM Set as RX mode Refer toTable 4 2 VC2 Low VC3 Low Yes Check RF Level of FL500 1 for GSM amp FL500 3 for DCS amp FL500 5 for PCS Pin1 62dBm n 3 5 63dB Yes Open Yes VC1 Low or HIGH 4 TROUBLE SHOOTING gt Changing SW500 Meg Changing SW500 Changing the board No Changing FL500 FEM amp Mobile SW is OK See next Page to check Rx IQ Signal For this RF Level test case RX Stand alone Mode is needed refer to chapter 11 51 ANT SW CONTROL TABLE VC1 ANT SW EGSM_Tx DCS PCS_Tx EGSM DCS_ Rx PCS_Rx Table 4 2 4 TROUBLE SHOOTING 4 Checking RX IQ TEST POINT CIRCUIT gt 13MHZ lt lt N 514205 500 5 5 156 Acqs rese 1 lt 5 i 1 251 V SMI be I C2 High RXI H 1 247 V cmm Pato RXQ 296 TE 50 01 50 0mv M 1004s Ch2 7 1 237 2 Feb 2003 17 46 06 Graph 4 4 Checking Flow Check C514 C516 No Check if there is Replace U500 Any Major Difference Refer to Graph 4 4 Yes Redownload software and calibr
70. e power control loop From reaching saturation The VBATT tracking circuit eliminates the need to monitor battery voltage thereby minimizing switching transients The RF3166 requires no external routing or external components simplifying layout and reducing board space DCS PCS RFOUT Figure 3 5 FUNCTIONAL BLOCK DIAGRAM 19 3 TECHNICAL BRIEF 3 3 13 MHz Clock VCTCXO X500 The 13 MHz clock X500 consists of a TCXO Temperature Compensated Crystal Oscillator which oscillates at a frequency of 13 MHz It is used within the Si4205 analog base band chipset 0101 AD6537B digital base band chipset 0100 AD6527 2V75_VVCXO Figure 3 6 VCTCXO CIRCUIT DIAGRAM 3 4 Power Supplies for RF Circuits RF LDO U702 Two regulators are used for RF circuits One is MIC5255 U702 and the other is one port of AD6537B 0101 MIC5255 0702 supplies power to transceiver 514205 U500 One port of AD6537B supplies power to VCTCXO X500 U101 VVCXO 2 75 V X500 Battery VBAT 3 4 42V U501 U702 Table 3 2 RF POWER SUPPLIERS 20 3 TECHNICAL BRIEF 0702 5255 85 5 1 5 Table 3 7 RF LDO CIRCUIT DIAGRAM 21 3 TECHNICAL BRIEF 3 5 Digital Main Processor AD6527 U100 AD6527 AD6527B GSM PROCESSOR Keypad KEYPADCOL 7 0 JTAGEN Matrix KEYPADROW 7 0 TMS TDI TDO BACKLIGHT 3 0 JTAG HSL GPIO Universal USCTX RX CLK System Enhaoced Generic serial port
71. eband Transmit Section 1 The AD6537B Baseband Transmit Section is designed to support GMSK for both single slotand multi slot application 2 The transmit channel consists of a digital GMSK modulator a matched pair of 10 bit DACs and a matched pair of reconstruction filter AD6537B BSIFS BSDI Baseband Serial Port GMSK Modulator CSFS sc Active Filter CT Filter CSDI Control sc Active CSDO Port Filter CT Filter Figure 3 12 AD6537B BASEBAND TRANSMIT SECTION 3 6 2 Baseband Transmit Section 1 This section consists of two identical ADC channels that process baseband 1 and quadrature Q input signals AD6537B Digital Baseband Filter Serial Port Digital Filter Figure 3 13 AD6537B BASEBAND RECEIVER SECTION 30 3 TECHNICAL BRIEF 3 6 3 Auxiliary Section 1 This section includes an Automatic Frequency Control AFC DAC voltage reference buffers an Auxiliary ADC and light controllers AFC DAC 13 bits 2 This section also contains AUX ADC and Voltage Reference IDAC 10 bits The Auxiliary ADC provides Two differential inputs for temperature sensing A differential input for the battery charger current sensor AFCDAC AD6537B AFC DAC Control Serial REFTXCM Port gt s Reference gt P R AUXADC2 De E is
72. ed by external X TAL The X TAL oscillates 32 768KHz B LCD module interface The LCD module is controlled by AD6527 U100 DBB In operating mode the AD6527 U100 controls the LCD module through _LCD_CS LCD_DIM_CTRL LCD_RESET _WR 2V8_VMEM LCD_ID LCD_BL_EN _LCD_CS MAIN LCD driver chip enable MAIN LCD driver IC has own CS pin LCD_DIM_CTRL It controls dimming mode of LCD module GPIO_5 2 This resets LCD module This signal comes from DBB directly _WR Enable writing to LCD Driver 2V8_VMEM 2 8V voltage is supplied to LCD driver IC LCD_ID It determines the maker of LCD module GPIO 16 LCD_BL_EN It controls back light of LCD module GPO_23 Table 3 3 LCD CONTRON SIGNALS DISCRIPTION 24 3 TECHNICAL BRIEF The backlight of LCD module is controlled by DBB TPS60230RGTR 0400 The control signals related to Backlight LED are given bellow LCD_DIM_CTL GPO 5 Control LCD backlight level in 16 steps LCD_LED_CTL Control LCD LED LCD_LED_GND LCD_BL_EN It Controls back light of LCD module _223 Table 3 4 DESCRIPTION OF LCD BACKLIGHT LED CONTROL C RF interface The AD6527 control RF parts through PA_BAND ANT_SW1 ANT_SW2 ANT_SW2 CLKON PA_EN S_EN S_DATA S_CLK RF_PWR_DWN PA EN GEO TO s EN 6019 S DATA S Cu GPO 2 RF_PWR_DWN GPO 4 Power down Input Table 3 5 RF CONTRON SIGNALS DISCRIPTION 25 3 TECHNICAL BRIEF D SIM interface The AD6527 prov
73. for switching the engineering mode on is 2945 Pressing END will switch back to non engineering mode operation 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 Engineering Mode Trace S W BB Test RF Test MF Mode option Call Timer Reset Version FM Radio All Auto Tes LCD Backlight Backlight Buzzer Buzzer Vibrator 5 Vibrator UART On UART Off CD All Calls Reset LCD Key pad MicSpkTest ADC Battery Audio DAI 109 9 ENGINEERING MODE 9 1 BB Test MENU 1 9 1 1 FM Radio 1 Listen Radio This menu is to used for listening FM Radio It must be connected Earphone 2 Test ON 3 Test OFF 9 1 2 LCD 1 Contrast value This menu is to input Contrast Value of the LCD 2 Test ON 3 Test OFF 9 1 3 Backlight This menu is to test the LCD Backlight and Keypad Backlight 1 Backlight 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 will
74. ging time Approx Under 3 75 hours RX Sensitivity GSM EGSM 104dBm DCS 104 TX output power GSM EGSM 33dBm Level 5 DCS PCS 30dBm Level 0 GPRS compatibility Class 10 SIM card type 3V Small Only Display Main LCD CSTN 128 x 128 pixel 65K Color Status Indicator Hard icons Key Pad 0 9 4 Send Key END PWR Key Soft Key Left Right ANT Internal EAR Phone Jack Yes stereo PC Synchronization Yes Speech coding EFR FR HR Data and Fax Yes Vibrator Yes Loud Speaker No Voice Recording Yes Microphone Yes Speaker Receiver One way dual speaker Feature 2 PERFORMANCE Comment Travel Adapter Yes MIDI 40 Poly Mono SPK Options Data Cable 2 PERFORMANCE 2 2 Technical Specification Description Frequency Band Specification EGSM TX 890 n 1024 x 0 2 MHz RX 935 n 1024 x 0 2 MHz n 975 1024 DCS TX 1710 n 512 x 0 2 M z RX 1805 n 512 x 0 2 MHz n 512 885 PCS TX 1810 n 512 x 0 2 MHz RX 1905 n 512 x 0 2 MHz n 512 885 Phase Error RMS lt 5 degrees Peak lt 20 degrees Frequency Error Power Level lt 0 1 ppm GSM EGSM Power 33dBm 31dBm 29dBm 27dBm 25dBm 23dBm 21dBm
75. h which is connected independently Functions the row and column lines of the keypad are connected to ports of AD6527 The columns are outputs while the rows are inputs and have pull up resistors built in When a key is pressed the corresponding row and column are connected 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 R301 10K END R309 pei sss P POWERKEY lt 680 Y KEY ROWO lt VA311 AVLC14S02050 P KEY_ROW1 lt lt VA302 AVLC14S02050 2301 5 303 45 KEY_ROW2 lt TSV VA303 AVLC14S02050 2306 2308 9 KEY_ROW3 lt VA304 AVLC14S02050 AVLC14S02050 SP312 2313 SOL R335 KEY ROWA lt do 660 VA305 AVLC14S02050 0 2317 9 2318 9 SP319 po ed le gy LL KEY 6040 gt VA307 VA308 vasos SIM DATA gt AVLC14S02050 AV SY AVLC14S02050 AVLC14S02050 Aviciasozoso R340 KEY_COL1 gt R341 KEY_COL2 gt R342 KEY_COL3 gt R343 KEY_COL4 gt VA331 AVLC14S02050 Figure 3 24 Keypad Switches and Scanning 41 3 TECHNICAL BRIEF 3 10 Microphone The microphone i
76. he phones is activating normally 10 2 Setting Method A COM port a Move your mouse on the Connect button then click the right button of the mouse and select Com setting b In the Dialog Menu select the values as explained below Port select a correct 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 Rx 1 Selecting Channel Select one of GSM or DCS Band and input appropriate channel 2 Gain Control Index 0 26 and RSSI level See if the value of RSSI is close to 16dBm when setting the value between 0 26 in Gain Control Index Normal phone should indicate the value of RSSI close to 16dBm 114 10 STAND ALONE TEST 10 3 Means of Test a Select a COM port b Set the values in Tx or Rx c Select band and channel d After setting them all above press connect button e Press the start button Disconnect Figure 10 1 HW test program 115 ey 37 IU x ITTTT igure 10 e r ie 2 C 11111 3 137500 196 146 104 71 43 39 39
77. heck the soldering of R207 R208 R210 C210 C211 Resolder component IMicrophone will work properly 83 4 TROUBLE SHOOTING 4 14 RTC Trouble TEST POINT CIRCUIT DIAGRAM C129 1000 MC 146_12 5pF a_i CLKIN 3 mm CLKON lt lt OSCOUT 2 1 OSCIN T PWRON PWRON i RESET gt NRESET 32 768KHz lt a RADIO_STO GPIO_0_IRDA_TX RADIO_DETECT GPIO 1 IRDA RX SPK_RADIO_SEL GPIO_2_NIRDA_EN R104 10K 9 o 1u 6149 C112 T 27p C113 lu lt m C114 lu D C115 lu C116 Tu C117 2 2 1608 CTI8 a 84 4 TROUBLE SHOOTING Checking Flow Is the voltage level of BAT100 gt 1 2 Charge or change BAT100 Check NO Soldering of R104 C112 C149 Resolder R104 C112 C149 NO Check the voltage at 1 4 of X100 Resolder R110 C130 or Replace X100 YES Change main board 85 4 TROUBLE SHOOTING 4 15 Indication LED Trouble TEST POINT Q301 1 per cui pens a CIRCUIT DIAGRAM VBAT VCHARGE VBAT 1 Seco 0324 10 Si 0 1u __ 325 NZ LD306 2012 1 E R352 R353 215 1K La z ower 3 R355 R356 PRECHARGE gt a 15
78. ides SIM Interface Module The AD6527 checks status periodically during established call mode whether SIM card is inserted or not but it doesn t check during deep Sleep mode In order to communicate with SIM card 3 signals SIM_DATA SIM_CLK SIM_RST GPIO_23 are required The descriptions about the signals are given by bellow Table 3 6 in detail This pin receives and sends data to SIM card This model can support only 3 0 volt interface SIM card Clock 3 25MHz frequency SIM_RST _23 Reset SIM block Table 3 6 SIM CONTRON SIGNALS DISCRIPTION 2V85_VSIM 2V85_VSIM 5 lt SIM RST lt SIM Figure 3 9 SIM Interface of AD6527 E Key interface Include 5 column 5 row and additional GPIO 35 for KEY ROWS The AD6527 detects whetherkey is pressed or not by using interrupt method F AD6537B Interrupt AD6537B provides an active high interrupt output signal Interrupt signals are generated by the Auxiliary ADC audio and charger modules 26 3 TECHNICAL BRIEF AD6527 AD6527B AD6535 DSP Serial Link Audio Baseband Subsystem and Power Management DSP BUS DMA and BUS ARBITRATION _ IM MUC Subsystem ARM7TDMI Peripheral Subsystem Figure 3 10 AD6527 ARCHITECTURE The internal architecture of AD6527 is shown above Figure 3 10 AD6527 regroups three main subsystems connected together through a dynamic and flexible communication bus network It also includes onboard sy
79. l class above 300MHz CALIBRATION EQUIPMENT LIST GPIB Cable Mobile Switch Cable Figure Power Supply Ooooooos GPIB Cable Battery Simulator 5 2 EQUIPMENT SETUP 96 5 DOWNLOAD AND CALIBRATION MON Status Figure 5 3 THE TOP VIEW OF TEST JIG C Test Jig Operation Power Supply Usually 4 0V Travel Adaptor Use TA name is TA 20G 24pin Table 5 2 JIG POWER Switch Number Description Switch 1 ADI REMOTE In ON state phone is awaked It is used ADI chipset Switch 2 TI REMOTE In ON state phone is awaked It is used TI chipset Switch 3 VBAT Power is provided for phone from battery Switch 4 PS Power is provided for phone from Power supply Table 5 3 JIG DIP SWITCH LED Number LED 1 LED 2 LED 3 LED 4 Description Power is provided for Test Jig Indicate charging state of the phone battery Indicate data transfer state through the UART port Indicate data transfer state through the MON port Table 5 4 LED DESCRIPTION 97 5 DOWNLOAD AND CALIBRATION 1 Connect as Fig 6 2 RS232 serial cable is connected between COM port of PC and MON port of TEST JIG in general 2 Set the Power Supply
80. le SW BB in me C i C l r Figure 4 5 0512 L 22p T C517 10nH R512 lt ANT SW3 10 0535 0 1 2700 R515 lt ANT_SW2 GPO 11 087 0 R517 lt ANT_SWI 680 9 0539 0 2 2700 ill 57 4 TROUBLE SHOOTING e gt saweran Gort VC1 LOW Cern e a VC2 LOW 116 L za FEM Control EGSM Graph 4 6 a 1 Pun VC1 LOW vt sawsi Cored Poe Th EM VC2 HIGH VC3 LOW FEM Control DCS amp PCS Graph 4 6 b 4 TROUBLE SHOOTING Checking Flow For the test TX Stand alone Mode is needed Refer to chapter 11 PL 7 for GSM PL 2 for DCS Check R512 R515 R517 No Check whether FEM Set as TX mode Changing board Refer to Graph4 6 a 4 6 b Refer to Table 4 3 Yes Check RF Level of Pin17 29 5dBm Go to 4 3 5 Checking PAM FL500 Pin 17 for GSM amp Pin 15 Pin15 26 5dBm control singnal for DCS Check SW500 ANT RF with RF Cable connected Yes lt lt om gt Changing SW500 Yes Check SW500 ANT RF No with RF Cable disconnected gt Changing SW500 Yes ANT SW CONTROL TABLE EGSM Tx DCS PCS Tx EGSM DCS Rx PCS Table 4 2 58 4 TROUBLE SHOOTING 4 Checking PAM Control Signal TEST POINT CIRCUIT lt TX
81. ne for the GSM 850 824 849 MHz and E GSM 900 880 915 MHz bands and one for the DCS 1800 1710 1785 MHz and PCS 1900 1850 1910MHz bands 150 RF 150 IF Si4205 PDRB PLL PLL 2 1 0 SWAP 0 X 2 170 2 B m TXBAND 1 0 A TXQN Figure 3 3 SI4205 TRANSMITTER PART A IF Modulator The baseband converter BBC within the GSM chipset generates and Q baseband signals for the Transmit vector modulator The modulator provides more than 40dBc of carrier and unwanted sideband rejection and produces a GMSK modulated signal The baseband software is able to cancel out differential DC offsets in the 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 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 The IFLO frequency is generated between 766 and 896 MHz and internally divided by 2 to generate the quadrature LO signals for the quadrature modulator resulting in an IF between 383 and 448 MHz For the E GSM 900 band two different IFLO frequencies are required for spur management Therefore the IF PLL must be programmed per channel in the E GSM 900 band
82. ntification input REFCHG voltage reference output 4 TA Travel Adaptor Input voltage 85V 260V 50 60Hz Output voltage DC 5 2V 0 2 V Output current Max 800mA 50mA 5 Battery Li ion battery Max 4 2V Nom 3 7V Standard battery Capacity 830mAh VCHARGER AD6537B Control GATEDRIVE VBATx B 4 Terminal Battery Pack REFCHG TEMP2 Rrewe thermistor Interrupt Logic Figure 3 18 AD6537B BATTERY CHARGING BLOCK 35 3 TECHNICAL BRIEF AOUTIN AOUT2P1 AOUT2P2 AOUT2N1 AOUT2N2 AOUT3P AOUT3N GPI AOUTIP AOUTIN AOUT2P1 AOUT2P2 AOUT2N1 AOUT2N2 IHEADSET_SPK_P IHEADSET_SPK_N lt RINGTONE From Headset Microphone To Headset Speaker Figure 3 19 B2000 HEADSET SPEAKER MIC CIRCUIT AD6537B From Main TH Microphone HEADSET_MIC_P ci 35 C136 py 390 HEADSET_SPK_P HEADSET_SPK_N lt RINGTONE To Main Receiver Figure 3 20 B2000 MAIN SPEAKER MIC CIRCUIT AD6537B 36 3 TECHNICAL BRIEF NORMAL CHARGING i VCHARGE VMEMSEL GND_NET1 NC_G16 NC_B7 NC_B5 VBATSENSE VCHG ISENSE GATEDRIVE TPCF8102 VCHARGE Trickle E CHARGING 2012 1 R352 15 ower R
83. oader program in PC and select Erase Don t check OWUD 1 SelectO 2 SelectO Port En rj xd Rate O 921600 P 3 SelectO oe Hermes 4 SelectO 5 Insert FDI region 0 1080000 L 6 Don t Check OWUD 1 PressO Start and Wait 92 5 DOWNLOAD AND CALIBRATION 3 Press Write to start Download and press to choose software AlchemyDate mot 23 SpeeDo ST Memory Port Set Port comi Rate 1 Select Target Set Port Model Hermes z USB Operation Read v wWrite C Cal Skip Data Size START 16KB DEM Files FF Device Code 0 1002000 5 0 7 000 lt Status gt Owup 53 Download Model U 93 5 DOWNLOAD AND CALIBRATION 4 Choose software 1 Select File AlchemyData CodeData mot 2x amp J gl ek DIE N AlchemyData mot 70 SAD Motorola format mot FA 5 Wait until coverting from MOT to BIF is completed Don t check OWUD Port COMI Rate gt Target Set Model Hermes USE BIN Operation Mode Read Write 7 Cal Skip Data Size 5 C C Files v 598 ProjectW SW Hest B
84. or battery calibration You can get main Battery Config 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 oneitem 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 baud rate D Press Start button AutoCal process all calibration procedure i AGC EGSM AGC DCS APC EGSM iv APC DCS v ADC E After finished all measurement The state is return to SETUP F The Cal file will be generated and then the calibration data will be written into phone and then will be reset 119 120 12 EXPLODED VIEW amp amp REPLACEMENT PART LIST 12 1 Exploded View elec Cam 121 30 LABEL APPROVAL 1 MLAA0030701 29 TAPE JTACK 1 MTAZ0063601 28 TAPE PROTECTION REAR 1 MTAZ0063001 27 TAPE REAR 1 MTAZ0063501 26 INSERT 1 MICZ0016801 25 SCREW M1 4_H4 0 1 GMEY0004001 24 TAPE SIELD L 1 MTAC0021401 23 TAPE SIELD A 1 021301 22 1 20060101 21 GASKET SIELD FORM 1 MGAD0079301 20 COVER BATTERY 1 00 13801 19 BATTERY MODULE 1 SBCL0001303 1
85. ot 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 done C Changes in Service A local telephone company may make changes in its communications facilities or procedure If these changes could reasonably be expected to affect the use of the this phone or compatibility with the network the telephone company is required to give advanced written notice to the user allowing the user to take appropriate steps to maintain telephone service D Maintenance Limitations Maintenance limitations on this model must be performed only by the manufacturer or its authorized agent The user may not make any changes and or repairs expect as specifically noted in this manual Therefore note that unauthorized alternations or repair may affect the regulatory status of the system and may void any remaining warranty 1 INTRODUCTION E Notice of Radiated Emissions This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies In accordance with these agencies you may be required to provide information such as the following to the end user F Pictures
86. played on the screen Test will be completed in 15 seconds automatically 9 3 7 MicSpkTest The sound from MIC is recorded for about 3 seconds then it is replayed on the speaker automatically 112 9 ENGINEERING MODE 9 4 Trace option MENU 4 This is NOT a necessary menu to be used by neither engineers nor users 9 5 Call timer MENU 5 This menu is to set the Digital Audio Interface Mode for Speech Transcoder and Acoustic testing 1 All calls This displays 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 Fact Reset i e Factory Reset should be only used during the Manufacturing process Servicemen should NOT progress this menu otherwise some of valuable data such as Setting value RF Calibration data etc cannot be restored again 9 7 SW version MENU 7 This displays software version stored in the phone 113 10 STAND ALONE TEST 10 STAND ALONE TEST 10 1 Introduction This manual explains how to examine the status of RX and TX of the model A Tx Test TX test this is to see if the transmitter of the phones is activating normally B Rx Test RX test this is to see if the receiver of t
87. s placed to the front cover and contacted to main PCB The audio signal is passed to AIN2P and AIN2N pins of AD6535 The voltage supply VMIC is ou tput from AD6537B and is a biased voltage for the AIN2P The AIN2P and AIN2N signals are then A D converted by the voiceband ADC part of AD6537B The digitized speech PCM 8KHz 16KHz i DSP section of AD6527 for processing coding interleaving etc 2V5_VMIC C201 C202 10u 77 201 200 5 then passed to the MIC200 OB4 15L42 C33L AVL5M02 200 AVL5M02 200 Figure 3 25 Connection between Microphone and AD6537B 3 11 Main Speaker In the case of B2070 The main speaker is driven directly from AD6537B AOUT1P and AOUT1N pins and the gain is controlled by the PGA in an AD6537B TNA e RECEIVER SP EAKER SELECTION OUTPUT CN200 SPK_SEL Low C298 RECEIVER NA SPEAKER 42 3 TECHNICAL BRIEF 3 12 Headset Interface This phone chooses a 5 pin type headset which has 6 electrodes such as HEADSET_SPK_OUT_P HEADSET_MIC_P JACK_DETECT HEADSET_SPK_OUT_N RADIO_ANT This type supports stereo sound Switching from Receiver to Headset Jack If jack is inserted JACK_DETECT goes from high to low Audio path is switched from receiver to earphone by JACK_DETECT interrupt Switching from Headset Jack to Receiver
88. stem RAM SRAM and interfaces with external Flash Memory Baseband converter functions and terminal functions like MMI SIM and Universal System Connector USC The Digital Signal Processing DSP subsystem primarily hosts all the speech processing channel equalization and channel codec functions The code used to implement such functions can be stored in external Flash Memory and dynamically downloaded on demand into the DSP s program RAM and Instruction Cache The micro controller subsystem supports all the GSM terminal software including the layer 1 2 and 3 of the GSM protocol stack the MMI and applications 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 controller real time clock watch dog timer power management and a timing and control module It also includes peripheral interfaces to the terminal functions keyboard battery supervision radio and display Both the DSP and the MCU can access the peripheral subsystem via the peripheral bus PBUS For program and data storage both the MCU subsystem and the DSP subsystem can access the on chip system SRAM and external memory such Flash Memory
89. to the Flash Memory Enable or disable Tool bar Enable or disable status bar Connect the phone with PC This procedure checks whether the PC is connected ag8960 or not After that it performs sync procedure withphone If the sync procedure is successful state column on status bar changed to SETUP else you should disconnect phone and try again from the beginning and also check the whole connection All measurement is performed at state SETUP Show COM port setting dialog and Baudrate you can change etc Connect the Ag8960 GPIB card with PC 117 11 AUTO CALIBRATION Figure 11 1 Auto Calibration Program Screen Cable loss Screen GPIB Primary address Screen ADC Channel Screen Auto Calibration Item Enter the RF cable loss GSM and DCS Enter the SS Ag8960 and PS Tektronix PS2521G GPIB address Default ADC Calibration Channel Default Calibration Settings about Tx Rx ADC and write BIN file 118 11 AUTO CALIBRATION 11 4 AGC This procedure is for Rx calibration In this procedure We can get RSSI correction value Set band EGSM and press Start button the result window will show correction values per every power level and gain code and the same measure is performed per every frequency 11 5 APC This procedure is for Txcalibration In this procedure you can get proper scale factor value and measured power level 11 6 ADC This procedure is f
90. troller to switch either Tx or Rx path on VC1 VC2 VC3 PCS DCS Rx 2 5 3 0V OV Table 3 1 THE LOGIC AND CURRENT The logic and current is given below Table 3 1 Three differential input LNAs are integrated 514205 The GSM input supports the GSM850 869 849 MHz or E GSM 900 925 960MHz bands The DCS input supports theDCS 1800 1805 1880 MHz band The PCS input supports the PCS 1900 1930 1990 2 band The LNA inputs are matched to the 1500 balanced output SAW filters through external LC matching networks LNA gain is controlled with the LNAG 1 0 and LNAC 1 0 bits in register O5h Figure 3 2 14 3 TECHNICAL BRIEF 4205 A GSM A 3 LN 20 gt gt CX sro pcs LY m LNA a X 9 ADC gt ns pe pee 8 X 4 4 06450 RXBAND 1 0 0 90 AGAIN2 0 100 kHz CSEL DACCMI1 0 LNAC 1 0 DACFS 1 0 LNAG 1 0 ZERODEL 2 0 RF Noe 15 0 PLL RFUP Figure 3 2 54205 RECEIVER PART B Intermediate frequency IF and Demodulation A quadrature image reject mixer downconvertsthe RF signal to a 100KHz intermediate frequency IF with the RFLO from the frequency synthesizer The RFLO frequency is between 1737 8 to 1989 9 MHz and is internally divided by 2 for GSM 850 and E GSM 900 modes The mixer output is amplified with
91. um Shift Keying GPIB General Purpose Interface Bus Global System for Mobile Communications International Portable User Identity Intermediate Frequency Liquid Crystal Display Low Drop Output Light Emitting Diode Offset Phase Locked Loop 1 INTRODUCTION Power Amplifier Module Printed Circuit Board Programmable Gain Amplifier Phase Locked Loop Public Switched Telephone Network Radio Frequency Receiving Loudness Rating Root Mean Square Real Time Clock Surface Acoustic Wave Subscriber Identity Module Sending Loudness Rating Static Random Access Memory Pseudo SRAM Side Tone Masking Rating Travel Adapter Time Division Duplex UART Time Division Multiple Access Universal Asynchronous Receiver Transmitter VCO Voltage Controlled Oscillator VCTCXO Voltage Control Temperature Compensated Crystal Oscillator WAP Wireless Application Protocol 2 PERFORMANCE 2 PERFORMANCE 2 1 H W Features Standard Battery Feature Li ion 780 mAh Battery Size 105 5 W x 44 H x 15 8 T mm Battery Weight TBD Comment Stand by Current Under the minimum current consumption environment such as paging period 9 the level of standby current is below 4mA Talk time Up to 2 hours GSM TX Level 5 Stand by time Up to 200 hours Paging Period 9 RSSI 85 dBm Char

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