LG-200 SERVICE MANUAL
Contents
1. 1 2 3 4 5 6 1 8 5 Vbet 124 VDD_CPP Vbet TC1055 r T 2 m m i C265 ls 5 pn O 6 HE in 210 407 lu 88 UI ae SHTDWN_B gt 3 son 1 7 gt BATT_VOLT _VOLTS VDD CPP 0 wlr V z 153 131 R336 T un u Tol Ay voD_DIG_ERROR_B 1 C155 470 R341 R12 R12 gt AUDEN EB 1 C266 WF 1M 1M B T 100n PWR_SWITCH_B gt gt uw 1 T A B R342 5 r t gt gt BATT_TEMP_TYPE 2 C151 C220 gc Bi cis L x GUARD lp T 100n Z 860k op_cpp J 2 CIRCUIT gt 57 58 C348 C126 Vbat Ne ie 180 210 202 8340 101185 5 m 39 2 i R94 vou 5 3 74VHC132 RF_REG_EN gt gt yy 12. Se for Eu 82 08 IR 38 123112 1257 60 2 4 list of LG200 1 2 Location LG 200 M B 1 2 Provide SIM card power 3V 5V SIM LOCK SC 1689 Provide power for U1 SC 1689 Vinz3 8V Vout 2 85V Provide power for POWER Control Loop Vin23 8V 2 85 0 5 Provide power for 031 W3020 Vin23 8V 2 85 GSM pre amplifier GSM TX filter GSM power amplifier for damage caused by 900 MHz network failure DCS pre amplifier DCS TX filter for damage caused by 1800 MHz network failure DCS power amplifier for damage caused by 1800 MHz network failure Antenna switch for damage caused by antenna transmit or receiving problem Normal Short Abnormal Open Multiplexer for damage or cold soldering caused by transmit or receiving problem OP AMP control Power Control Loop Electronic switch control Power Control Loop Battery connector Provide 13MHz TCXO for damage caused by no network service Provide power for main system U15 CPP and Keyboard Invert gate for damage or cold soldering caused by Carkit failure or Download data failure NAND gate for damage or cold soldering caused by total damage 61 LG200 M B 2 1
3. ko 62410623 BEES 5 5516951 y 62 Epl 54 8 H S 3x 4 list of LG200 2 2 Location LG 200 M B 2 2 SC1689 measure Vout of PIN2 10 21 25 36 49 54 58 66 68 71 85 92 2 85V Frequency of PIN59 60 13 2 SC1699 power measures Vin of PIN1 3 8V PIN3 High Vout of PINS 2 85V POWER Control Loop power measures Vin of PIN1 3 8V High Vout of PINS 2 85V W3020 power 3 8V PIN3 High Vout of PIN5 2 85V GSM TX per amplifier measures PIN1 29 09dBm PIN4 3 97dBm GSM TX Filter measures PIN2 2 47dBm PIN6 2 82dBm GSM TX POWER AMP measures PIN5 8 15 16 3 8V PIN3 2 82dBm PIN10 11 12 9 53dBm DCS TX pre amplifier measures PIN1 20 14dBm PIN4 5 08dBm DCS TX Filter measures PIN2 5 33dBm PIN6 7 94dBm DCS TX POWER measure PIN5 8 14 15 16 3 8V 5 61dBm PIN10 11 12 23 44dBm Multipexer measures PIN2 4 8 10 2 85V PIN9 GSM 8 98dBm DCS 16 2dBm Battery voltage measures PIN1 GND PIN4 3 8 for all regulations 13MHz measures PIN3 13 2 PIN4 2 85V CPP power measures PIN1 3 8V PIN3 High Vout of PINS 2 85V 63 E LG 200 M B 3 1 25 43 6 o 59 1011 12 1 EN
4. 5388 5 D 5 TES 5 6 J10 1 C124 C123 0359 C360 94 Vbet R338 u 18 410 H 041 __ 039 1 4 29 74 132_ 2339 VIBRATOR EN lt VIBRATOR x 2 Vbat 6 VDD_TXBUF 100 SHTDWN_B 2562411 05 2 T ILC7081 MXTN R118 vu vou 5 _ R100 106 4 La eX 2 UT Se ee 74VHC14_A 1 9 8 2 C130 C131 L C355 amet s gt 4100 u NF BUR DD CPP 07 3 4 Vbat CHARGE _DETE is _DETECT_B L 12 Fag lt gt O CARKIT_DETECT_BU 2129 1 5 526 CHARGE DETECT B E VDD 0SC lt SML 04 1 S M 1629 gt 8598 6 11 09 2 n 4 XOEN_SChy 5 1 mess 4 IMN10 x C331 C330 i 822 823 09 1 gt VDD_CPP SEC CHARGE CIRCUIT XOEN CPP 3 A R298 U39 3 TAVHC132_A 1 4 PWR_KEEP gt gt 2 013 8 3 4 1 SZ PLY 3 IMN10 2 CHARGE 4 4 117 038 2 038 3 Vbet 08 2 84024 TAVHC14 AN TAVHC14_A 188 VRTC 1 VDD_DIG_ERROR_B 15 Ss SYS_RESET_B 033 R324 L C251 25 1576 330K 1 2 00n N R330 NA 325 R 330K C264 D8 2 CHARGE 5 4 04 2
5. AOUTAP AOUTBN AOUTBP REFC AUXOUT AUXIN VXVCM SIMCLK CKO SIMTX SIMRX RX TX TDO TCK TDI TMS X2RTC BSW OSC32 VRTC AG1 AGO o gt P30 DROD 1 VssA 1 CKI C VpoA L 1 VREF 1 P31 1 Vss a 21 o e 50 80 45 1 85 40 LUCENT 1 TECHNOLOGIES La L3 La EI La ELI La 2 z 9t9 885883825889g9P292 22 88555556552 gt CD 10 0 0 lt 05392 a oOQzzB aia WHEAT oE 2 2 m w L165tt992900886E2292ppepsfm 75 70 65 60 55 50 L EI EI 80 E 45 El 85 40 5 1689 90 35 95 30 100 1 5 10 15 20 T 58 85888 288 88 9 52 lt cc 35885 85888888 8883 SC1689 U1 50 P29 AG2 P28 AG7 P27 AG6 P26 AG5 P25 AG4 P24 AG3 P23 RQ4 P22 RQ3 P21 RQ2 P20 RQ1 DRQ1 P19 18 17 16 55 15 5 P14 MDISDO P13 MDOSDI P12 NMI 11 52 P10 WAIT 9 21 RSTB Vco NTO PIBF PSTAT PCSN PBSEL POOS Vss PIOS PBO 1 2 4 5 PB6 PB7 Vss OCTL13 OCTL12 LACK OCTL11 POBE OCTL10 OCTL9 2 TECHNICAL BRIEF PIN
6. J Tes 5 C66 90129 1 34 C7 3IR4 1 epee 07 421 67 3IC65 IRAO C 70 IRQ 14 22 41 0 13 18 17 16 15 64 4 Component list of LG 200 M B 3 2 Location LG 200 M B 3 2 U42 Local OSC Vco 540MHz DCS receive filter GSM receive filter DCS transmit filter DCS transmit couple circuit GSM transmit filter signal processor for failure during network service or receiving transmiting data N O T ON IF filter GSM 270 MHz DCS 180 MHz 270 MHz TX FILTER Key pad connector Bus buffer CPP for the damage or cold soldering caused by charging problem or no voice response use enable pin to check control status Flash Memory for any damage cold soldering or data loss Connector of handsfree and charge in Carkit for damage caused by failure of handfree or charging SRAM for any damage or cold soldering It provides sleep mode Output Frequency 32 768KHZ for damage or bad features caused by dead clock Its Output Frequencies and Vin are 13MHz in TCXO 540MHz in VCO GSM BAND VCO W3000 PLL IC Vin of power supply provided by 13MHz 3 8V DCS TX VCO 1530MHz 1610 2 GSM TX 1150MHz 1230MHz W3000 PLL phase lock for damage caused by receiving failure GSM fliter for damage caused by rece
7. 39IAH3S 002 01 200 SERVICE MANUAL 1D 283 35 499 GD 79 GU 0 9 Table Of Contents 1 PERFORMANCE 2 1 1 HW Feature 2 1 2 Memory Requirment 2 1 3 Technical Specification 3 1 4 GSM band Specifications T 7 1 5 DCS band Specifications 8 1 6 Receiver GSM M 9 1 7 Receiver DCS EUREN 9 2 TECHNICAL BRIEF m 10 2 1 ce sanae terrence 10 2 2 Transmitter 14 2 3 The PA Circuit and its Control 17 2 4 13 MHz 18 2 5 Main Processor DSP 19 2 6 Power Supplies and Control Signals 21 2 7 User Interface Board 28 2 8 Testing Set up and Checking Signals 32 2 9 Dimensions of Main Components 43 3 TROUBLE SHOOTING 53 3 1 Power Supply Failure 53 3 2 Voice Function Failure pp 55 3 3 Display Function Failure pp 55 3 4 Transmission amp Receiving Failure pp 57 3 5 Other Function Failure 57 4 TEST POINT DATA 60 5 ASSEMBLY INSTRUCTIONS 68 6 BLOCK DIAGRAM 73 7
8. 0 7 0 RKOP FS ROF m 12 RON R317 i ES R46 SERLE2 15 1 PPM SERCK DSP PHIF Signals 10K SERCK 22 o5 PBI ocTLa FRAME_INT 717220 2000 T2 L PB4 00114 900 oF PBS OCTLE VCO_900_EN_B PBE 0 117 VCO_1800_EN_B VDD_SC1 PBT 00118 VCO_540_EN_B 06118 TXBUF 1800 53 10 1800 37 IBF OCTL12 IACK 155 PCL EN B 299 PIBF OCTL13 TP38 TP42 TP39 R312 TXVCM r TP12 10K yew get Ra Ro I OR 52 TRST IOCK a R105 sc_Tck 01 88 VDD_SC1 86 19 e 33 IS 0 22 10 SC TDI 4 101 125 R103 C18 C14 56 100 1010 T 10u 202 AFC 295 PWR KEEP seanci YH 5 VDD SC1 OR SC_MC2 2 8 Mc2 3 REG C11 R60 R221 MICIN 8 1 MICP SYS_RESET_B gt fr gt 501689 R10 5K1 RAN _ C86 100R 58_ RsTB 41 TP29 TP30 31 ZR RIO gt gt 5 1988 OR AUXIN 39 AUXOUT DICK AOUTAP 133 R53 R51 0262 R59 DADI DAIDO 220K 15K 1083 _ C85 1888 82 T 4p VDD_SC1 VADP 84 R315 VADN 83 R7 R56 R57 R106 R101 eK 1 58 pps H 2R 2R 2R 2R 2R VDD4 REFC 21 R52 21 002 vone 7 OR 18 32 R203 voos 85 FDSP_VPP_PWR_OUT gt 25 vpp vpP 2
9. YUDEN GM410518J 0907 0908 0909 0910 0911 CHIP MONO 1608 1U 10V ZY MURATA GM610152J 0912 913 0914 CHIP MONO 1005 100P 50V JN MURATA GM410052J C917 CHIP MONO 1608 10P 50V JN MURATA GM447052J 0918 0919 0921 0922 923 1608 47 50 EJ15001340 0902 DIODE 155355 UMD2 P EL000359F0 D908 D909 D910 D911 LED LNJ310M6URA GREEN EVERLIGH EL000358F0 0912 0913 0914 0915 D918 D919 LED LNJ306G5URA GREEN SMD EVERLIGHT R301006860 J901 CONNECTOR DF12A 3 0 40DS 0 5V 81 HIROSE HC10401240 1112 CHIP BEAD BK 1608 HM121 TAIYO YUDEN 95000740 0901 TR NPN 2SC2411K SMT ROHM EA95847020 09020903 AR10574310 0901 TR NPN BC847BW 507 323 IPS 74VHC574FT EL TSSOP 20P TOSHIBA EJ15001240 U902 U903 DIODE IMN10 SMD 6P ROHM EJ15001640 U904 DIODE DA204U UMT3 P ROHM 2 3 4 5 6 7 8 9 10 1 12 13 14 15 16 17 18 19 01010300 R901 CHIP RES 1 10W 5 10K 1608 FN21100200 R903 R904 R905 CHIP RES 1 16W 196 10K 1005 bed 01020000 R907 R908 CHIP RES 1 10W 5 20 1608 FM01022200 R909 CHIP RES 1 10W 5 2 2 1608 FM21022100 R911 CHIP RES 1 16W 5 22000 1005 A 21104800 R912 CHIP ARRAY 1 16W 5 100 10 1608 RALEC FM21047200 R9
10. gt L _5 wc C54 1 0320 1 0321 1 0322 1 0323 C58 8 L 815 R14 we 180 NF NF NF 5 mp 58 T 303 Far y Z R24 VRAMP 900 AME H 044 C33 330 330 Vbet C VDD TXBUF 1800 T R279 241 C242 in 00_ _ 1800 U32 Vbet C251 L C172 C236 2 185 0175 fou 330 120 ale _ uPC2771TB 19 wd AMP MODULE voce C243 L C214 C224 vct L47 U44 2 220 1890 RF 004 10n C184 C253 84632 R205 C231 x u lob 1 C 2 10 8 8 1 1 3 erin 14 252 00 154 4 1 5 R 80 2 16 0 VDD_RF AE bad 15 cose 19 1 1 1 1 1 1888 i N 1 sce 3 p3 458 RE C245 C325 L C321 C186 C326 Pa 8 248 40 20 R228 1 2 019 2 VDD_TXBUF__1800 gt gt dL UMDSN_B ca73 5 T 33 R193 RX_TX_B _ 1800 gt 019 1 2229 c241 C240 4 156 1K 1300 16p T 15 lt gt TX 1 6 0180501 EE 8 cat MEN NE E T 3 amp 4 7 0312 354 Bs 102 N C259 L 63131 258 _ 314 I 999 PAD 22 303 20 T 303 1808 gt lt gt lt gt C364 eX ANTENNA 135 R154 L 6167 192 518 120
11. 518 t 18 07 VDD_CPP VDD_CPP GND ds oc 3 232222 10 2318 R266 R85 B R90 56k R269 OR VOD CPP SIMSD_RTS gt gt WA gt SIM_SHTDWN 1 01 3 41 4 gt gt VIBRATOR_EN psu SIM35_RX1 gt gt CONT 8335 R275 NF dcr 220K gt RTS R343 21 TP20 21 8216 CHARGE VOLTS lt ANM 2304 gt DTR 51R 100K R92 Rel 1 R334 DIR LR 6120 51R OR 560K lt 1 5 518 r3 VDD CPP 15 m CARKIT_DETECT_B lt lt 2303 1 100K 1 R40 7 18 lt 83 518 R43 M 8 5 RIS 1 5 TP16 TP15 STR R265 5 EXT IN gt EXT_OUTP_SVIN T 3 Y 842 OR gt gt RI 172 R41 R273 15 058 lt 71 51 CHARGE_INPUT lt R36 AQUTBP gt AANP 4 OR R274 LJ R37 AQUTBN AW OR R243 C17 C1 C86 C65 0114 VDD_DIG_ERROR_B V gt 47 raip 410 41 41 41 41 C69 C68 C67 L C113 C115 C356 C2 41 T 470 1 47 T 47 41 1 2 3 4 5 5 1 81 82 8 HOW DOWNLOAD 5 8 HOW TO DOWNLOAD S W 1 Select optiflash exe from flash file 2 Connect a data cable
12. 1 0251 2330 C264 D8 2 T 4 DL Jo T 0340 3 MB ol hag PE gt CHARGE B e Battery Charge Control Circuit 24 2 TECHNICAL BRIEF 4 Real Time Clock U3 TAVHC132_A E 013 PWR_KEEP 8 3 K 4 1 D MN10 2 The real time clock is driven 32 768 kHz clock from a crystal oscillator The input clock is divided by 32 768 to generate a clock with a 1 second period that increase a 29 bit seconds counter In addition it can generate interrupts at a programmed time The following are the features of RTC 17 year time interval with 1 second resolution Interruption of programmed time alarm The real time clock consists of a seconds counter The input clock frequency to the RTC must be 32 768 kHz The seconds counter is updated using a clock generated by dividing the external input clock to the RTC by 32 768 The real time clock assumes an interrupted power supply VRTC The BSW signal is used by CPP to force internal inputs to the real time clock to appropriate levels in order to ensure correct functionality and reduce power dissipation When BSW 1 is connected to primary power Voo When BSW 0 is supplied by backup power The real time clock function is specially designed to handle the situation where to the CPP is between 0 V and 2 7 V It s the responsibility o
13. BSW_B AGE CHARGE VOLTS LATCH CS lt 10p 32 168 VRTC vere P11_CS2_8 gt id C214 BATT_TEMP_TYPE sg AG1 P8 A21 BATT_VOLTS AGO P31 PUR_KEEP C12 z 4 ROWS 31 p12 NMI B P23 R04 CARKIT DETECT BUF U48 F1 7 100 R344 14vuc245 DIR 54 VREF VSS2 2K 5 VDD_CPP 5 26 KI VSS3 e 08 VSS4 N LN4041 1685 034 W 02 LY F0N338P 57 41 03 R183CPP CK2 2 1 2 304 P VDD CPP V OR 58 vssa 05032 52 TP11 410211 gt gt an T 100 R185 180K U38 1 TAVHC14_A R V BAR gt FLASH_0E F F 1 2 3 4 5 6 7 8 75 e SCI 1 2 3 4 5 6 1 8 VDD_RF gt 900 TP10 diis 5 m 09 3 1k R30 R_W_BAR 471916 188 KE gt SERLE 6 8 27 TOP ae SCI PIBF Tpb 8 oct ti TON EARP CPP INT 28 wre 38 4 A2 PSTAT RXIP RIP 44 pBSEL RXIN HS
14. _900_ _ gt EE 1888 47 3 6 z gt VDD TXBUF oO m PA 1800 EN B VDD_TXBUF lt 57 R281 10K gt 1 Plis TXBUF _1800_EN_B i EE 3 gt VDD TXBUF 1800 R287 1K 1 2 3 4 5 5 1 8 79 1 2 3 4 5 5 1 vDD_0SC VDD_0SC ETP1 R177 R178 C203 82K 15K VDD_0SC 1 L AAA sceme 0 05 165 Il R 198 309 zx C204 C207 C196 C199 RIGG 56K 2p2 100p T 22p 220p 318 C209 1 C208 T 18n C202 C205 00 06 10n sn INTER BOARD CONN m CPP_CK1 1 4 035 Bis R176 me VDD CPP Vbet J R201 vec 82K 15K R155 x R156 END3352B C285 C213 R174 Wow O P 1 t T 1 1 41 4 BE n 309 R C215 C211 4 0255 4 0197 R202 C198 5 21 39907 82 100 56 202 100p BUZZER 8 8282 LC SYS_RESET B lt gt 5 248 31 s 10 MICP gt 1 12 R283 C210 R247 AGND 14 gt gt 13MHz_RF 12p 560R 15 16 11 18 Ag 38 Vbet Tx2 18 20 RX2 LATCH CS B CPP CS0 B SCK 23 24 VDD_CPP PUR SWITCH B OR MDOSDI z 015005 0 2 1 amp B 2 64 C12 C301 Y 291 23 T 22n tu 10n UART2 IRO B gt D 111 amp 853 3 3 32 1101555 SU 334 33
15. E I gt S Dvcc VIN 16 5 4 35 35 36 38 ts 805 s SIM CLK gt rst 5 2lest a 3 vee SIM RESET B gt 2 RIN 104 100R Shi 205 s l R321 SIM_TX gt 3 vec H3 AW 1 vee Lm OR BD 0 7 55 C3 cs 6339 52 SIM_SHTDWN gt ci L9 33 m 407 R1 R2 5155 8 100 lt gt 100K 100K 8 Y lt gt gt gt SIM_RX SPARE GATES U38 5 TAVHC14 A F 11 18 1 2 3 4 5 6 1 80 CARKIT CONNECTOR 7 CIRCUIT DIAGRAM 1 2 3 4 5 6 1 VDD_CPP 1 0292 T 100n SYsS_ RESET B gt Ne ce CPP 59 55 273 1 7 0 gt VDD_CPP o Di 4 9 18 T 01 01 Ms e 5 NOT FLT 4 04 13 12 1 04 04 mE E 1 _
16. m C266 Es cv U39 4 EN 132 PHR_SWITCH_B gt gt 7 C280 C261 ES Vbat Ybat E s gt 272 T VHU132_A 5 B 5823 0380 5 a 4 4 at BND U41 1 038 1 RN5YT29 4VYHC132 A SRi i SHTDMN_B 2100 PR 0338 038 4 N N TANHCTALA NEW po gt PHR_SWITCH_BUF My PECES Se 74 14 8 CHARGE DETEDT B gt DARKTT DETECT BUF 7 gt SH4 gt BSW_B Power On Off Control Circuit 23 3 Battery Control Charge control is composed of Q1 D1 08 1 08 2 04 2 Q5 1 and Q33 Charge control software controls the on off of CHARGE EN which allows charge current to go through Q1 1 to battery cell As the battery is fully charged CHARGE EN becomes low to stop fast charging When the phone is off and the charger is plugged in D7 3 Q4 1 and U38 6 form an auto power on circuit to turn on the phone 07 3 6 1 07 2 gt CHARGE DETECT B 5 2 gt 128 gt 2 04 1 _ C89 ER R1 05 1 5 26 lt gt E X p198 CHARGE CIRCUIT gt T t gt CHARGE VOLTS 0250 Z R207 Jem du 1 8 6 ATAI CHARGE Dh 2065 12 5
17. C348 MH 0 E JL 08 1 1 INNig 263 lt gt 1 CHARGE 1 2 3 4 5 1 8 74 7 CIRCUIT DIAGRAM MCU amp MEMORY 1 2 3 4 5 6 7 8 21 VDD_CPP A 1 R293 OR 20 0 VDD_CPP 0 1 0 0 15 8 VDD_CPP VDD_CPP R184 SH2 VDD CPP CPP TD0 gt gt SC TDI PROCESSOR FLASH MEMORIY sRAM MEMORY B il 26 0 C218 n gt 5 5 gt 2 SC TCK AQ_BEO_B vont T 100 gt ME ion idon VDD_CPP VDD_CPP 00_ 00_ VDD_CPP 003 SH3 004 SC TMS A4 005 37 C73 45 08 CSRAME B VCC AG 01 SYS RESET B 15 RESET CE1 100n 02 cits 5 03 CSROME_B B T 2 FLASH OE 28 0E
18. 015 2 4 DAT LS SERDA C222 410 LAT SERLE 029 UMBION lt gt 43 LOCKDET gt SERCK UCVE3X177B T 10n b VC0_900_EN_B R58 UCVE3X191A TEST 2 lt 2 Ny M L pss 1 1 I 4 in 3K L 0223 T 10 C146 T 210 687 vco L32 F x x C82 1 EE lt 7 410 C144 Us NF 202 UCVE3X176B UCVE3X190A 1 2 3 4 5 5 1 8 77 FRONT 1 2 3 4 5 5 8 Vbat Vbat A 2323 3115 6324 1 306 1 57 1208 336 175 33 Vbat VDD_TXBUF 988 Vbet C21 C28 BE 1n 2256 155 5 veer vec _ 14 45 vece 553 uPC211118 4697 72 6 12 3 je nl d BN R16 C24 R326 C56 3 18 TX 900 RF ou r L 2 10 4 10 m 1 1 1 1 TANY 1 F TX_900_PA 8
19. 100145 0 120 COIL SMT 82nH 0603 5 COILCRAFT 000004250 22126127 CORE SMT 2 7nH 0603 0 3nHKOA 000002450 123156 1 54188189 CORE SMT 3 9nH 0603 0 3nH KOA 000004350 000002650 128129 SMT 150nH 0603 5 CORE SMT 4 7nH 0603 0 3nH KOA 000002750 CORE SMT 5 6nH 0603 0 3nHKOA 000004150 2 2nH 0603 0 3nHKOA 000001850 22nH 0603 5 000004050 CORE SMT 1 8nH 0603 0 3nHKOA D000016S0 CORE SMT 6 8nH 0603 5 KOA 000004450 CORE SMT 1 2nH 0603 0 3nHKOA D000031S0 L61 L62 CORE SMT 39nH 0603 5 KOA LTEM PARTNO HD000021S0 HB100142E0 LOCATION L63 L64 L65 L79 L67 11 REPLACEMENT PARTS LIST SPECIFICATION CORE SMT 68nH 0603 5 KOA COIL SMT 5 45nH 0906 5 COILCRAFT REMARK EG950001T0 QI MOSFET P SCH 51692300 TSSOP 8PVISHAY EA95853040 Q4 TR NPN UMH10N SC 88 6P ROHM EA95000440 05 020 028 TR NPN UMX1N UM6 6P ROHM 95000740 010 TR NPN 25 2411 SMT ROHM EG92000430 013 MOSFET PBSS84P 50 23 SIEMENS 95000840 015 TR PNP UMB1ON SC 88 6P ROHM EA95001340 Q19 TR NPN PNP UMD9N SC 88 6P ROHM EG920005T0 021 022 MOSFET P 51230105 50723 5 95000740 026 033 TR PNP 25 1576 UMT3 ROHM 95001240 027 TR NPN UMH11N 50 88 6P EB95000
20. SERCK UG 84697 lt gt 53 pi 0L 1 3 C40 C158 C4 3g R22 Tov L0 TP8 D uw 10n 10p 18p 218 S 22 za AE dde e a 8 555585 EE 20553383 5 C29 410 252 M gt CC 66556 565556 18 T rt yy Ne shu D I 124 100p x C281 VDD_RF C351 129 18 2 1 E qe 84692 C35 LDB15C10141800 C36 C99 C331 ___6 2 ji 1 4 NF TX 1800 RF 10 B 10 t 19 R26 B4210 D 5 2 2 lt 3126 36 C34 1 2 E 3257 L7 55 L64 65 L682A 1 588 T 125 pn cose 2 Lem a art 2 C103 m UT 120 98 C46 2200 sg L79 136 34 l Ir I E 3 8p R133 x eR 5 2 9 13MHz_RF gt gt eT 4 41 30 VDD_0SC 308 120 7 22 C152 L84 L88 L61 L44 6824 57 139 T ERT TSH S T R54 150 1 eae L peel 12 8 L 180 119 00 169 38 581 2 Ll 2 10 4 5 vDD_0SC L 6310 IN 22 001 A des d Uo 16 C81 BG 3 cist 178 202 L M 100p 1n 1 410149 R186 UMB 10N lt gt 151 T 100 OR X8 1 VCO 1800 EN B C309 19 PWRDN S E 45 out qu RE To
21. Screws M1 6x5 5L R3630029E0 R3630065E0 Sponge for Receiver Sponge for Buzzer R3630049G0 Sponge for Vibrator R3630069E0 Sponge for LCM R3630073E0 Sponge for Backup Battery R0274039X0 Pulp Modeling 97 4 STANDARD ACCESSORIES JB040042A0 Battery Pack 600mAh Li lon JB100083E0 Switching Travel Charger Europe Version Round Pin 5 OPTIONAL ACCESSORIES Specification Headset Cigar Lighter Charger Mock up Dummy Simple Handsfree Car Kit Cable for S W Upgrading Cable for RF Testing 98
22. FN01220000 R257 CHIP RES 1 10W 1 2200hm 1608 FN01220200 R260 CHIP RES 1 10W 1 22K 1608 FN01470100 R278 R289 R290 CHIP RES 1 10W 4 7Kohm 1 1608 FM01075900 R279 CHIP RES 1 10W 5 7 5ohm 1608 FN01470000 R305 CHIP RES 1 10W 1 470 1608 FM01027200 R315 CHIP RES 1 10W 5 2 7K 1608 01330300 R324 R325 CHIP RES 1 10W 1 330K 1608 FM01082900 R338 CHIP RES 1 10W 596 8 20hm 1608 FN01200100 CHIP RES 1 10W 196 2K 1608 CF21019BDO DSP 1689 TQFP 100P LUCENT DA00900Y40 AMPLIFIER UPC2771TB SMD 6P NE 03203450 FILTER B4697 SMD SIEMENS HA032036U0 FILTER LDB15C101A1800 SMD 6P MURATA DA00998YT0 AMPLIFIER RF2173 SMD 16PRFMD 4201005870 SAW B4684 55 3851 6P SIEMENS DE03471YT0 SIMPOWER LTC1555CGN SSOP 16P LINEAR BG049079S0 FLASH 28 160 3 90 TSOP 48PINTEL 076059 0 SRAM BS62LV2000STC 70 STSOP32P CA12003DD0 CPU CPP 2 V3 4 100P LUCENT CG01006YS0 IC RF W3000 TSSOP 14P LUCENT 03203550 020 044 FILTER B4692 SMD 8P SIEMENS DAO0980YA0 021 43 SOT 23 BURRBROWN 03203350 002 FILTER B4635 SMD 6P SIEMENS HA032032U0 23 FILTER LMC36 07A0501B SMD 10P MURATA DZ70610YRO REGULATOR AME8802JEEV SOT 23 ANALOG DZ70810YS0 26 REGULATOR TC1185 2 85VCT SOT 23 5P TELCOM 0270620 REGULATOR ILC7081AIM5 2 85VSOT 23A IMPALA 460006 0 VCO PCN UCVE3X191A SMD 8P ALPS EN460007Y0 VCO GSM UCVE3X190A SMD 8P ALPS C601007YS0 IC RF W3020 TQFPT 64P LUCENT DAO0950YTO AMPLIFIER RF2140 SMD 16P RF
23. RF_DETECT gt gt 1 2 3 4 5 5 1 8 78 7 CIRCUIT DIAGRAM POWER LOOP 1 2 3 4 5 6 1 8 VDD_TXBUF 5 R295 PCL_EN_B gt N i 2308 C343 C341 C303 08 210 5 T t 1 1 T NO FLT A N Im uL 2 v 100K 130 Tin R307 276 15K ANA Vbet 18 at 026 25 1576 2144 t rN 18K 1 0110 1 Ew END C291 p L68 lt gt RF_DETECT gt ph 4 B 33p 05 2 05 1 2208 BAT62 07W U54 1 SWS SE LB VDD_TXBUF 3 54 2 MAX4541_B E R69 R138 8 m CPP 12 39 8256 68K 165 C167 030 C 108 NF 2 96 oo 856138 4 1 R292 7 C290 _ _ lt 7T7 608 22 T PCL_SW gt i 418 2302 VDD_TXBUF D lt gt 0 R289 027 2 KI UMHHN 7 R296 900 gt gt h 28 029 4IR VDD_TXBUF 028 2 4 1 028 1 2 304 4 T 47 2 R280 276242 5S VDD_TXBUF 3 5 4 goo l gt gt VRAMP_900 1 2 Si2301DS
24. gt H WEL BYTE R_W_BAR A11 06 07 pe 08 25 29 00 R160 M3 P0 08 5 8 4 1 09 1 09 3 A2 24 noo 31 01 lt zu M5 P2_D10 P2_010 1 23 A2 002 33 02 6 011 PS DM 1 R212 245 003 5 03 R242 MT P4 D12 24 012 w NF s A5 2114 004 38 04 P5 D13 amp A6 20 05 C AUD EN gt AS s R107 5 005 D C scree 420 7 015 PLUS 8 100k et 18 N 005 Em R246 5 P30 0808 AS 8 30 0 08 5 UART2_1RO_B gt z 40 pao RO pRO 889 CGROME B SA T 5 805 51 18 5 8 8 81 8 CSRAME_B 83 CSRAME_B s AM 6 M8 0018 34 P2 D10 9 R W BAR 80 P22 R03 42 lt FRAME_INT 12 5 0011 36 P3 D11 R47 CPP CSO B lt 50 8 28 3 31112 001218 P4012 BACKLIGHT EN lt lt 1 BUZZER lt 78 puns en 3 sS 2 13 0013 s Pe pta TPT8 SYS RESETB gt TT RESET B SIMTK lt v pe Roz PUR_SWITCH_BUF i E SCALED TXP CTS P34 TP35 7 TP36 smece P13 MD0OSDI MDOSOI 15 nh PIG WAIT 19 GNDGNDI CND lt a MAIT n 00 100 14 301800 01500 a 2 CPP TDT 67 10 B MBM29L V160B90 BS62LV2000STC 10 p CPP TMS 58 IMS P18 X2RTC 19 SIMSD_RTS VDD_CPP P24_AG3 VIB_DTR m SS 4 P25_AG4 C216 NF X1 63 re SIM35_RX1 1
25. lt 5mA Mix power 2 Using Test mode on DSP Sleep function lt 6mA Talk time GSM Level 7 Battery Capacity 650mA 130Min GSM Level 7 Battery Capacity 600mA 120Min Standby time Under conditions at least 85 hours 1 Brand new and full 600mAh battery 2 Full charge no receive send and keep GSM in idle mode 3 Broadcast set off 4 Signal strength display set at 3 level above 5 Backlight of phone set off Ringer Volume At least 70dB under below conditions 1 Ringer set as ringer 7 2 Test distance set as 50 cm Charge Voltage Fast Charge 600 mA Slow Charge 100 mA Antenna display GSM DCS 84dBm 89dBm 94dBm 101dBm gt 105dBm Tolerance 2 dB 80dBm 85dBm 90dBm 97dBm 10148 0 2 2 2 2 Battery indicator Level Voltage v 0 lt 3 5 1 3 5 lt lt 3 7 2 3 7 lt V lt 3 8 3 3 8 lt V lt 4 0 4 4 0 lt V Tolerance 0 1V Low Voltage Warning 3 5V 0 1V Forced shut down Voltage 3 3V 0 1V Battery Type 1 Li lon battery Standard Voltage 3 7V Battery full charge voltage 4 2 Capacity 650mAh 600mAh Li lon Travel Charger Linear Charger In put 110V or 240 50 60Hz Out put 5VDC 0 25V 500mA No Load Switching mode charger In put 96 246VAC 50 60Hz Out put 5VDC 0 25V 500mA No Load 1 4 GSM band Specifications Frequency Stability RF Maximu
26. 1 IDENTIFIER ZONE 64 49 dod adu 1 IT 148 l L II II II IL L II L L II Il L II II L II II L II i L II II II L II II L II II L II 16 LIT TT 133 HAB LB ul d 17 32 W3020 ES3 031 14 CPOUT DAT VSS1 CLK VSS2 PWRDN MAIN_IN REF IN VDD1 VDD2 TEST LOCKDET W3000 ES3 U19 51 PAD CONTENTS OUT UT GND GND GND UCVE1X114A 1421 52 3 TROUBLE SHOOTING 3 TROUBLE SHOOTING 3 1 Power Supply Failure C333 3 i 317065 gt gt x nm gt 96 LUCENT z gt 1 00025 j N 444 gt u U12 TE hese 1111111135 53 a Failure Problem with turning on Mobile phone gt Solution 1 Test the set s current by using battery simulator observe the value of current used 2 1 If current is higher 300mA please check C333 Or replace C333 if its resistance between 20 and 1500 3 Case 2 case the current is between 35 and 45mA the cause could be FLASH ROM 1 12 defect Please reinstall software I
27. 402058 147 148 0228 327 1608 0 5P 50V CNMURATA 1608 2P 50V CNMURATA 41005 0 0 0 0 ONO 1608 10 50 44795840 156 C253 1608 4 7P 50V MUR 412052J 160 177 0210 236 0307 0308 362 1608 12P 50V JNMURATA 427152 164 1608 270 50 418253 0 0 0 165 1608 1800P 50V 40905040 C149 C150 C158 C159 C184 C185 C223 C224 C241 C C C C C 189 0309 0310 1608 9P 50V DN MURATA 9 422052 GM410052J 37 PART NO LOCATION 196 C197 0243 C258 C259 C357 0214 0216 SPECIFICATION 1608 22 50 1608 10P 50V JN MURATA CHIP REMARK 6 127052 225 CHIP 3216 0 0027U 50V JNCOG MURATA GM40805BJ C233 CHIP 1608 8P 50V CNMURATA GM447333J C242 0329 CHIP 1608 0 047U 25V KX MURATA GM40405BJ 245 283 GM41295BJ0 C248 C268 C312 C363 CHIP 1608 1 2P 50V CN MURATA GM433323J0 C255 CHIP 1608 0 033U 16V KXMURATA GM456052J0 0256 O O 9 O O 0 0 0 1608 4P 50V CNMURATA 0 0 0 CHIP 1608 56 50 JN GM11061870 257 CHIP MONO 3216 10U 10V ZY TAIYOYUDEN GN410725E0 C265 CHIP TAN D 100U 16V M AVXKYOCERA GM42795BJ C287 CHI
28. Interface Buzzer Control UART Control Interface System Connector Interface Battery Voltage Monitoring Charge Control Real Time Clock CPU Timers Backlight Control Vibrator Control VRTC CSROME UR BSW CSRAME CLOCK Sum SYSTEM wr e ASYNCHRONOUS SERIAL RX PROGRAMMABLE COMMUNICATIONS FORO CONTROLLER TX P29 AG2 P 28 24VAG 7 3 P 23 21yIRQ 4 2 eee P20 IRQ1 DRQ1 INTERFACE P 19 17 A 20 1 5 PROGRAMMABLE PROGRAMMABLE 017 0 PERIPHERAL INTERRUPT 23 P14 MDISDO INTERFACE CONTROLLER RW P13 MDOSDI RESET P12 NMI P11 082 IRQ 4 1 PINNAE AG 1 0 Po BE1 21 P 7 0yD 15 8 CLOCK SIWASCC2 CKI2 GENERATOR INTERFACE PWM2 TDI TCK System Block Diagram of CPP C 19 2 DSP and Mixed Signal Processor SC1689 Designed specifically for GSM cellular systems the SC1689 Super Chip 1 processor of Lucent Technologies is a mixed signal device that is based on the DSP1600 core with a bit manipulation unit BMU error correction processor ECCP and conversion signal processor CSP core The CSP consists of a baseband voice band and digital audio interface to fulfill the GSM requirement for a voice band and baseband interface The device peripheral combination consists of a serial port parallel host interface and two timers The
29. and a charge pump etc Outside the W3020 the C164 and R189 and C225 form the loop filter Q31 is a power switch and the VCO would be locked at 540 MHz In the W3020 this 540 MHz signal is divided by 2 for the receiver divided by 2 for the GSM Tx and divided by 3 for the DCS Tx VDD OSC 13 2 2 Transmitter xis ER U31 28 30 TIF FILTER 180MHz U31 W3020 The TX IF Modulator in W3020 1 The TX IF Modulator The TX amp signals from U1 86 89 fed to 38 41 of the W3020 TX modulator 031 where they are then modulated onto either a TX IF of 270Mhz for GSM TX or 180Mhz for DCS TX by the quadrature mixer inside U31 The signal TX LO IF 180 270Mhz is input from 031 This signal is produced by the external 540Mhz oscillator U42 which has been divided down by a factor of 2 for GSM TX or 3 for DCS TX This division factor is set by the control signal of 031 28 30 The TX modulated IF signal of 180 270Mhz is output on 52 53 of U31 for GSM DCS 2 The TX IF Synthesizer The second local oscillator LO2 comprising a buffer for the external voltage controlled oscillator VCO and a phase locked loop PLL feeds the IF portions of both the modulator and the receiver An external reference source voltage controlled crystal oscillator VCXO is divided from 13 MHz to 1 MHz through a counter The 1 MHz is called the comparison frequency The VCO U42 frequency of 540 MHz is also divided down to 1 M
30. device IROMO and IROM1 switchable via ROMMUX in the ioc register gt m lt gt 2 5 5 8 8 8 Z 2 lt 2 gt gt gt gt 0 gt gt DIGITAL ANALOG 3 V SUPPLIES CSP INTERFACE VOICE BAND ROM 72K x 16 WITH 48K AUDIO AUX DPRAM 12 5 3 1 11K x 16 E B BASEBAND YDB YAB XDB XAB RSTB INTO DSP1600 CORE CONTROL MC2 umen OCTL3 2 OCTL11 PIBF 0 ILD OLD 01 DO System Block Diagram of SC1689 20 DAIRN DAILM DAICK DAIDO AUXIN AUXOUT REFC VXVOM VREG MICIN MICOUT AOUTAP AOUTAN AOUTBP AOUTBN TxIP TxIN TxQP TxQN TxP VADC VADP VADN RxIP RxIN RxQP RxQN TXCVM EXTDI 0 2 4 6 10 13 SERLE2 SERLE SERCK SERDA AFC XTALA XTALB TRST TDI TCK TMS TDO 2 TECHNICAL BRIEF 3 CPU Memories Flash ROM An 8Mbit programmable ROM is capable of being written while being still in circuit Contains all the main command software for the mobile SRAM A 128Kbit by 8 temporary memory device which is used by CPP C for CPU execution 2 6 Power Supplies and Control Signals There are five regulators used in the phone U24 U25 U26 U27 and U59 Those regulators are dedicated power supplies which provides
31. e LM4041CIM3 1 2 D6 1 5 2 1 2V DS011392 1 Precision Micropower Shunt Voltage Reference 44 2 TECHNICAL BRIEF e 55138 030 55 138 SIPMOS Small Signal Transistor BCR400W 040 505605 Active Bias Controller 45 UMX1IN 05 028 2 0 0 2 1 30 1 0 65 0 65 2 10 1 UN jb 5 6 0 23 0 1 General purpose transistor UMH11N Q27 2 0 0 2 1 30 1 0 65 0 65 2 10 1 Ri 10kQ 6 Re 10kQ 2 UE 4 55 5 6 0 2 0 1 dual digital transistors 46 2 TECHNICAL BRIEF e 51692300 01 TSSOP 8 Top View P Ch 2 5 V G S MOSFET With Schottky Diode UMB10N Q15 21 0 1 General purpose dual digital transistors 47 e 51230105 021 022 UMA3N 029 View 1 25 W 2 5 MOSFET R 24 7k Q R 4 Emitter dual digital transistors 48 2 TECHNICAL BRIEF 25 1576 033 e 12390 031 Ri OUT IN GND 4 OUT GND 4 Digital transistors built in resistors 49 VDD RESET PWM1 PWM2 cst 650 CSRAME CSROME 0 2 Vss A3 A4 A5 A6 A7 A8 A9 A10 12 13 GNDs RxQN RxQP RxIN TXWCM VADCM VADN VADP TxQN TxQR TxIN GNDo
32. most of the power requirements for the logic and RF circuits Each of these regulators can be controlled by individual enable signals These are configured as the following figure and table Regulator Voltage Powers Enable Signal Regulator 1 2 85V 0 5 CPP 2 digital SHTDMN B U24 VDD CPP circuitry LCD Regulator 2 2 85 0 5 SC1 digital circuitry SHTDMN B U25 VDD SC1 Regulator 3 2 85 0 5 circuitry RF REG EN U26 VDD RF Regulator 4 2 85 1 5 Transmit power control RF REG EN U27 VDD TXBUF Regulator 5 2 9 0 04V VCO XOEN SC1 OR U59 VDD OSC XOEN CPP Table Power Supply 21 VOUT 5 1 0110 SHTDWN_B 3 sun ERROR 3 109 gt YDD_DIG_ERROR_B bet 125 V0D_SC1 VOUT E 0122 tcp ERRORI ong 118 VDD RF UNA AS 00_ 7 4 C358 0348 C126 Vbat lt R218 U26 lt 340 lt vor R94 RF SHON BYPASS a 6124 128 2 0999 2 2 C360 Z ps Vbat 127 VDD TXBUF 1 vour 1 SHDN_ BYPASS C130 C131 C355 Vbat R313 VDD OSE lt 05
33. to the phone Select settings in the main screen Select either com port 1 or com port 2 Select q1 50la gsmstack scr in flash amp verify browse Generic USE EXTERNAL Choose FLASH FLASH SCR e Select The indicator FLASH appears on the main screen After the POWER ON 11111111 block indicator is shown on the screen the battery can be installed After the ALL IS WELL indicator is displayed the battery can be uninstalled confirm S W press PHONE 7898 5 Wait for 5seconds after PLEASE WAIT indicator is displayed on the screen Select Field Test by pressing UP DOWN button Confirm s w version of 5th menu 83 9 TO PROCESS CALIBRATION 9 1 Equipment Lists Wireless Communication Test Set HP 8960 Hewlett Packard RS232 Connector for Software Installation Cable Power Supply HP 66311B Hewlett Packard GBIP interface card HP GBIP Hewlett Packard Test SIM Card ORGA Hewlett Packard Calibration amp Final test software LG PC for Software Installation Pentium Il class above 300Mhz Service Center 9 2 Equipment Features 1 Communication test set HP8960 2 DC Power Supply HP66311B 5 RF CABLE 6 Test SIM card 7 PC Regular 84 9 HOW PROCESS CALIBRATION 9 3 Procedure 1 Insert Test SIM card in LG200 handset 2 Install Battery simulator on handset 3 Connect RS 232 Cable to connector on han
34. 0198 0207 0 1608 100P 50V JN 17 O 1608 2200P 50V KX MURATA 18 0333 19 88 125 130 163 3216 10006 31 K XSRMURATA 0 1608 470P 50V JN C C C C211 C229 C260 C261 0280 0335 C C C C 20 C24 C28 048 C60 068 C81 084 C91 C97 C104 106 161 166 175 205 208 247 274 285 339 341 342 0343 356 298 O 1608 0 001U 25V MURATA 15052 25 C26 C234 C240 0334 0 1608 15P 50V JNMURATA 4399580 C35 C203 C213 O 1608 3 9P 50V CNMURATA 410353J 0 C40 C202 C209 C222 C301 0 1608 0 01U 50V KX MURATA 41805270 C46 C47 C99 C23 C180 C237 C315 C317 C318 C350 C358 C359 O 1608 18P 50V JNTAIYO YUDEN 40105BJ0 43395BJ0 C51 C152 C271 C361 C52 C252 C269 C313 C314 0 1608 1P 50V CNMURATA O 1608 3 3P 50V CNMURATA 418052J C54 O 1608 18P 50V JNMURATA 922333 64 0332 01608 022U 25V KX MURATA C80 O 1608 0 22U 16V ZYMURATA C82 3216 0 01U 25V J COHMURATA 087 173 0 1608 150P 50V JN 427052J 090 0151 0232 0345 0346 0347 0348 0353 0 1608 27P 50V JNMURATA 412152J C95 O 1608 120P 50V JNMURATA 40305BJ C96 C98 O 1608 2P 50V CNA 40605CJ 100 102 162 1608 6P 50V DN MURATA 422152J 0 103 0199 0 1608 220P 50V JN 42295BJ 144 0204 0215 0281 0 1608 2 2P 50V CN MURATA 405958
35. 0200 R51 R58 R178 R182 R291 R307 1 15K 1608 1 10W 220300 R53 R219 R302 R335 R336 1 10W 1 220K 1608 300100 1560300 R55 R65 R148 R334 INOW 1 1608 1 560K 1608 120000 R67 R72 R323 1 120 1608 120100 R69 1 1 2K 1608 180100 R74 R75 1 1 8K 1608 180200 R76 R144 R245 1 18K 1608 010000 R77 R132 R165 1 10ohm 1608 300000 R79 R80 1 300ohm 1608 560200 R85 R180 181 1 56Kohm 1608 330200 R98 1 33K 1608 21 E amp amp 555 amp amp 5 amp amp 5 5 270200 R100 R119 1 27K 1608 93 LOCATION SPECIFICATION REMARK 127 FN01100400 121 R123 R124 R248 CHIP RES 1 10W 1 1M 1608 FN01056000 26 CHIP RES 1 10W 1 56ohm 1608 FM01033900 28 CHIP RES 1 10W 5 3 3ohm 1608 FN01120300 29 CHIP RES 1 10W 1 120K 1608 FN01120200 31 8189 CHIP RES 1 10W 1 12K 1608 FN01470200 30 R259 CHIP RES 1 10W 196 47K 1608 FN01047000 33 R166 R169 R174 R294 R296 R297 CHIP RES 1 10W 1 47ohm 1608 FN01390100 39 CHIP RES 1 10W 1 3K9 1608 FN01820200 76 8177 CHIP RES 1 10W 1 82K 1608 FM01022900 R206 CHIP RES 1 10W 5 2 20hm 1608 FN01330100 R215R262 CHIP RES 1 10W 1 1608 FN01560000 247 CHIP RES 1 10W 1 560ohm 1608 FN01330000 R252 CHIP RES 1 10W 1 330ohm 1608 FN01680200 R256 R292 R310 CHIP RES 1 10W 196 68K 1608
36. 15 CHIP RES 1 16W 5 4 7K 1005 FM01010200 R916 CHIP RES 1 10W 5 1 1608 NX FNO1100300 R917 R918 CHIP RES 1 10W 1 100K 1608 FF900005B0 VR1 VR2 VARISTOR VA A1608 5R5JJT SMD CERATECH 29 KG101403X0 NA BOARD A758K 100x39mm 96 11 REPLACEMENT PARTS LIST 3 Mechanical Electrical Packing Parts Part No R393000930 Specification Antenna Black Remark R3870068A0 LCD Lens In Mold Grey R395003660 Adhesive Tape for LCD Lens R3920024J0 Keypad Silver White P R R401000260 Metal Dome for Keypad R2710150B0 Upper Case Pearl White R2710209B0 Upper Case Dark Silver R2710213B0 Upper Case Blue R2720125B0 Lower Case Dark Grey R015403200 Rubber Cap Dark Grey R286002030 Shielding Cover R2820015B0 Button for Battery Eject R3250009V0 Button Spring for Battery Eject HJ00117460 HJ110029MO Receiver Microphone JG100012C0 LCD Module R3970005C0 Nonwoven for Receiver R022051800 Backup Battery 4000004 0 Vibrator R382004090 Mylar R3850027H0 SIM Card Plate R382005080 lsolate Plate Small for Screw Type M2x8L R382004880 lsolate Plate Large for Lower Case HJ02004760 Buzzer 3010064 0 Carkit System R3220026Q0 Screws M2x8L R3220051Q0
37. 3 AFC gt gt CPP 2 5K1 47R 0255 197 3p9 R181 215 C211 33n 22p R282 56 2 2 100 210 R247 gt 18MHz 5608 4 System Clock 36 2 TECHNICAL BRIEF VDD CPP ZI 121055 lv vour 5 aA 110 I SHTDWMN_B ERRORI 189 0111 54 gt VDD DIG ERROR B pg vDD_SC1 1055 h 0122 emu 5 SHDN_ ERROR ong 118 fu S NF 00 _ gt C358 348 126 Vbat lt 25219 ips 180 210 242 5 340 101081 lt p94 7 1 vor RF _REG_EN gt NANA SISH BYPASS 1 ce 2 127 VDD_TXBUF VW ILC 7081 Zu VIN VOUT 5 a a D SHDN_ BYPASS C129 27 _ 8 00 5 KE T AP iu N Vbat lt p313 VDD 0SC 2 0 e P 059 71629 1 5 09 2 YIN VOUT LI 8 1 gt 2 3 Bypass C331 C230 ED eT ev p u 470 x _ gt t 10 19 V7 lt gt 298 gt 100K 5 Power Supply_Circui
38. 4 C135 22222225252 1 013 1 019 4 0138 1142 148 1P33 T 00n TnT tu 10 T T 1607 41 03 1 083 Hera e139 1 1 10 T 100n T 100n T 100n in js lt 7 BEAD BEAD C10 T 100n 1 1 41 08 1 100n 1 1 575 Se T 100n x WZ 76 AGND AGND AGND AGND AGND MUST STARPOINT 1 2 3 4 5 6 1 8 76 7 CIRCUIT DIAGRAM 1 3 4 5 6 1 8 046 150 6334 C2
39. 47BW 4K7 In Back light illumination there are 10 green LEDs six for keys and four for the LCD in User interface Board which are driven by BACKLIGHT line from CPP 2 8 Testing Set up and Checking Signals 1 Receiver RF Levels and Checks This section shows the typical RF levels expected throughout the receiver path A block diagram showing the locations of the RF measurement points and levels is shown in Figure1 2 Receiver Testing Set up To check the receiver the following conditions have to be set 1 On a signal generator or a GSM DCS test box output CW signal of amplitude 40dBm at either 947 4MHz CH62 when testing the GSM Rx path or 1842 6MHz CH699 when testing the DCS Rx path 2 Set the DC power supply to 3 8volts Note All RF values shown are only intended as a guide figure and may differ from readings taken with other test equipment and leads Lead and connector losses should always be taken into account when performing such RF measurements 32 2 TECHNICAL BRIEF 3 Testing Receiver Using a suitable high frequency probe measure the levels at the relevant points shown in Figure1 and compare your measurements with those shown in the diagram If there are any major differences between the readings taken and those indicated then further investigation of that particular point will be required It will also be necessary to ensure that all the following power supplies and signals are present wh
40. 68 C328 88 4684 2 8 RI 1890 P5 2104 104 _ am 3n 8 lo NA n 117 160 2 INPUTA 84836 QUT 5 R17 5p L7 C267 C211 180 12 R27 I0_AS 10 4 15 NF 1p 56 OR EER M 82n NF 510R 416361 100p 10 19 it 1 lt C59 C60 n 1 13 in 802 120 5 045 441 820 4686 R331 v C335 C269 C329 VOD_RF 84635 RX 900 RF 2 10 9 5 988 m 10 8 5 umm Y C100 002 ME e NF ion FORT 0 10 4 5 Mod VOORE 5 vDD_0SC VDD_RF OR N 2nT m tore lere R66 277 2132 E 2192 NF OR 10R 10R Oy 031 OR VC0 540 EN 8 T et C91 c90 C97 C159 0161 C319 1 1n 210 T 1 10p 1 T 1084 184 NA i C226 C221 C228 cin cese 1 U42 UCVE3X457A inp 44 dd 44 44 44 4 100n 21 UCVE1X114A M o lt gt C280 NECI EE 3 od C229 s vop 22 22 EE ES ES RINE RIN nion E s wp 7 gt P T 100p 10062 RON RON Emm r 2551 TON 2 TON 2189 L C164 1 C362 0336 4 C363 12K 2709 L2N ji Tm m Z R188 12 VDD_RF 102 Lap eee E 41 22557 ceti 5 lg W T ET 58 EN 80 25 58 VDDR1
41. 8 9 Ti e L oH d e i 3H i 52 5 on GLNAI DLNAI GLNAO E DLNAO 5 T 2 RMON S RMOP Len 530 0 11 3 UHF Synthesizer The synthesizer and TX UHF implemented by W3000 019 The outputs of DCS 1530 1610 MHz and GSM VCO 1160 1230 MHz fed to 019 5 for phase comparison in order to generate the charge pump output 019 2 to control the frequency of VCOs On the locked state the frequency of VCO is Fvco P M A fref Where Fref is the frequency of the signal on U19 10 Here is 13 MHz A R all constants set by the three wired digital control bus DATA 13 LATCH 14 CLOCK 12 The loop filter between 019 2 5 converts the current signal 019 2 to the voltage signal on VCO 5 Q15 is a switch which controls the power supply of VCOs C162 C160 3114 VDD OSC 152 184 188 147 C148 L aio lt ew 13 2 RF TP43 iiion 2 0318 3 4 Re 2 2 8 gt gt 4 T Y CC C146 C87 L32 082 OUT C144 UCVE 3X176B lt UCVE3X190A 12 2 TECHNICAL BRIEF 4 The Rx IF Synthesiser The major part of Rx IF synthesiser is built in W3020 including a phase comparator
42. 9 1 5 09 2 YIN VOUT _ 8013 2 3 sow 1 C331 4854 C332 C333 D9 1 gu Se XOEN_CPP gt 3 S gt R298 T Power supply 22 2 TECHNICAL BRIEF 1 System Reset reset circuit generates reset signal active to CPP 2 SYS RESET B 77 when detects that the VDD DIG ERROR B active Regulator 1 2 voltage is below the threshold of 2 85V 0 5 The device also reset CPP 2 this then holds the CPP 2 in reset mode allowing only the real time clock to run VDD_CPP U38 2 U38 3 D8 3 gt TAVHCTA Ap TAVHC14_A VDD DIG ERROR 3 joe PESET B 0213 SZ Reset Circuit 2 Power On Off Power switch is formed by U39 Q5 2 The phone can be switched on either by pressing the power key or connect to charger carkit where PWR_SWITCH_B or CARKIT_DECTECT_B is pulled to low and SHTDN_B which controls the on off of regulators becomes high The whole power system is thus turned on If either one of those two signal is kept low for one second the PWR KEEP signal will be asserted to high by CPP This realize soft on power key During switching off if power key has been pressed more than one second then PWR KEEP will be released by CPP This shuts down the power system
43. 940 029 88 EF92000130 EB95001040 Q30 031 MOSFET N 138 50723 SIEMENS DTA123JUA SC 70 ROHM EG920011A0 034 FET P FDN338P 50 23 FAIRCHILD FN01100300 R1 R2 R10 R102 R107 R118 R122 R156 R160 R185 R200 R239 R254 R255 R298 R303 R304 R314 R318 CHIP RES 1 10W 1 100K 1608 FM01000000 16 27 830 31 36 R37 R44 R45 R47 R52 R66 R78 R81 R94 R110 R117 R183 R184 R186 R188 R192 R193 R194 R199 R205 R223 R238 R242 R265 R266 R275 R276 R277 R282 R293 R308 R312 R313 R821 R322 R326 R330 CHIP RES 1 10W 5 Oohm 1608 1002000 R7 R56 R57 R101 R106 1 10W 5 1608 1510100 R4 R155 CHIP RES 1 10W 1 5 1 1608 1270100 85 CHIP RES 1 10W 1 2 7 1608 1100100 R8 R228 R229 R286 R287 R258 R261 R339 1 1K 1608 1051900 R12 R25 R54 R224 1 10W 5 5 1ohm 1608 17 1220100 R22 R26 R306 R327 1 10W 1 2 2K 1608 1022000 824 1 10W 1 22ohm 1608 1100000 R38 R59 R60 1 10W 1 100ohm 1608 0 0 0 0 0 01510000 0 0 0 0 Spa p 1503 1051000 R40 R41 R42 R43 R89 R90 R91 R92 R154 R341 R342 R343 1 10W 1 510ohm 1608 INOW 1 510hm 1608 1100200 R46 R95 R99 R103 R105 R125 R138 R173 R175 R212 R244 R249 R253 R280 R281 R299 1 10K 1608 115
44. CIRCUIT DIAGRAM 44444 74 8 HOW TO DOWNLOAD S W 83 9 HOW TO PROCESS CALIBRATION 84 10 EXPLODED VIEW 90 11 REPLACEMENT PARTS 1157 91 1 PERFORMANCE 1 1 HW Features Feature Li lon Battery 600mAh Size 105 9x44 8x19 7mm Weight 89g 77cc PCB M B 99 5x38 3 K B 99 5x39 4mm Comment AVG TCVR current mA GSM Imax 390mA DCS Imax 320mA Stand by current mA lt 5mA Talk time Stand by time Charging time 2 5 hour GSM Tx Level_7 85 hour Paging 2 RSSI 85dBm 1 5 hour RX sensitivity GSM 107dBm DCS 104dBm TX output power GSM Level 5 33dBm DCS Level0 30dBm GPRS compatibility N A SIM card type 3v 5v small Display 128x64 Status Indicator Soft Icons Keypad 0 9 C P book up down on off ANT External System connector N A Ear Phone Jack Yes PC synchronization N A Memory 1MB Speech coding EFR FR Data amp Fax N A Vibrator Yes Melody for Buzzer Function 22 Voice Recording N A C Mike N A Receiver Yes Speaker Phone N A Portable Handsfree Yes option Travel Adapter Options 1 2 Memory Requirment Application GSM Protocol Yes RAM Size Switching ROM Size WAP AUR Brows
45. Figure 14 TCXO System Clock see Figure 15 Cc rnm 33 Receiver RF Levels DCS Ch 699 40dBm GSM Ch 62 40dBm GSM1800 46dBm 20 7X IF 2548 gt GSM900 RXQ 900 91150 MHz 1230 MHz 1800 1530 MHz 1610 MHz RF MOOD amp AGE CONTROL 900 925 MHz 960 MHz 1800 1805 MHz 1880 MHz 540 MHz VCO W300D FREQUENCY ___ SHADED 1 Figure 1 Receiver Block Diagram 34 2 TECHNICAL BRIEF Transmitter RF Levels GSM Pwr Lvl 11 Ch 62 21dBm DCS Pwr Lvl 5 Ch 699 204 900 1150 MHz 1230 MHz 1800 1530 MHz 1610 MHz 900 880 MHz 915 MHz 540 MHz VCO 1800 1710 MHz 1785 MHz AGE 25dBm amp AGE 2608m 1 SYNTHESIZER CONTROL lt 25dBm 19dBm 21222 NSS 33dBm TX IF 1800 160 M TXI SWITCHED DMIDER TXQ NOTE SHADED AREA IS OFF CHIP Figure 2 Transmitter Block Diagram 35 023 LMC36 07A0501 c259 1 L 1 csi 1900 gt LU 17 1800 gt 192 120 DETECT X Figure 3 Diplexer Circuit VDD OSC gt SC VDD OSC 1 6203 6169 VDD OSC gt SC L 47 R180 L C204 C207 cues 56K 2 2 100 VDD OSC gt CPP R155 C21
46. GSM1800 Offset from Carrier KHz 100 200 250 400 600 1200 1200 1800 1800 3000 3000 6000 gt 6000 Spectrum to GSM900 switching transient Offset from Carrier KHz 400 600 1200 1800 GSM1800 Offset from Carrier KHz 400 600 1200 1800 Spurious emissions Conduction Emission Status Appendix 1 Conduction Emission Status Appendix 2 Bit Error Rate GSM900 BER Class 2 43996 102dBm DCS1800 BER Class 2 43996 100dBm 1 PERFORMANCE Description Specification Rx Level Report accuracy GSM900 GSM1800 gt 88 2 86 99 SLR Sending Response Frequency Hz 100 200 300 1 000 2 000 3 000 3 400 4 000 RLR 2 3dB Receiving Response Frequency Hz 100 200 300 500 1 000 3 000 3 400 10 4 000 2 Mean that Adopt a straight line in between 300Hz amp 1 000Hz to be Max level in the range STMR 13 5 Stability gt Distortion dBto Level Ratio 17 5 22 5 30 7 33 3 33 7 31 7 10 25 5 Sidetone Distortion Three stage distortion lt 10 lt Change gt System frequency lt 2 5 13MHz tolerance lt Change gt 32 768KHz lt tolerance Description Power consumption Specification Full power lt 390 GSM lt 320mA DCS Standby 1 Normal
47. Hz Both signals are fed into a phase detector and the resultant error signal is fed through an external low pass filter to the control input of the VCO U42 14 2 TECHNICAL BRIEF U4 U3 UGS Are GSM 1160 1230 2 TO DCS W3000 FREQUENC 4007 U31 W302 SERDA The UHF Mixer Amplifier TX UHF Synthesiser 3 The UHF Mixer Amplifier The modulated TX IF signal GSM 270Mhz or DCS 180Mhz is mixed onto the GSM 890Mhz 915Mhz or DCS 1710Mhz 1785Mhz TX RF frequency This is achieved by mixing the TX IF signal with the TX UHF VCO output from U30 for GSM and U29 for DCS Hence GSM TX z UHF VCO 270 ie 1160 270 890Mhz DCS TX UHF VCO 180 ie 1530 180 1710 Mhz The modulated RF signal is then output 59 60 to a BPF and then enters the UPC2771TB 03 043 at 1 The RF modulated signal is then amplified by the Pre driver with the UPC2771TB The RF signal is then output on 4 of the UPC2771TB and passed through another stage of filtering 04 044 15 4 The UHF Synthesizer In TX mode the TX UHF VCO output is fed to 5 019 and then pre scaled down to 200khz phase comparator within U19 compares this signal with a 200khz signal derived from the 13Mhz clock 035 and outputs a current phase difference at 2 A loop filter then converts this signal into a voltage phase difference and feeds it to 5 U29 or 030 The voltage phase difference determ
48. Input Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 RX Frequency Calculation Frx RX UHF VCO Frequency Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 UHF VCO Freq Calculation Fruhf RX VCO Frequency Demodulation Frequency IF Frequency BER Bit Error Ratio 1 PERFORMANCE 935 2 MHz 947 4 MHz 959 8 MHz 935 ARFCN x 0 2 MHz 1160 1230 MHz 1205 2 MHz 1217 4 MHz 1229 8 MHz 270 MHz 540 MHz 270 MHz 540 2 270 MHz BER lt 2 4 at 102dBm Type BER lt 0 1 at 15dBm 1805 2 MHz 1842 6 MHz 1879 8 MHz Ftx 95 Mhz Frx MHz 1535 1610 MHz 1535 2MHz 1572 6 MHz 1609 8 MHz Frx 270 Fruhf MHz 540 MHz 270 MHz 540 2 270 MHz Type BER lt 2 4 at 102dBm Type BER lt 0 1 at 15dBm 2 TECHNICAL BRIEF 2 1 Receiver 1 The front end The RF receive signal GSM 935Mhz 960MHz DCS 1805Mhz 1880Mhz is input the antenna coaxial connector An antenna matching circuit is between the antenna and the connector The diplexer U23 is used to control the Rx and Tx paths And the input signal RX TX B of pin 2 of Q19 is connected to 01 5 1688 to switch either Rx or Tx path on When the Rx path is turned on the RF receives signal then feeds into two paths Rx 1800 RF and Rx 900 This Rx 1800 RF path contains one SAW filter 046 to filter any unwanted signal apart from the DCS Rx band And th
49. MD 03203850 FILTER 4210 SMD 40000120 13MHz END3352B SMD 4 2 21 2 2 2 94 11 PARTS LIST LTEM PARTNO LOCATION SPECIFICATION REMARK 1 AR11320310 U39 ICTC74VHC132FT TSSOP 14PTOSHIBA DE03520Y80 U41 L VOLT DET RN5VT29 SOT23 5P RICOH EN460008Y0 U42 VCO IF UCVE1X114A 540MHz SMD 704000270 045 FILTER RF B4686 SMD 6P SIEMENS 704000820 046 FILTER RF B4693 SMD 8P SIEMENS AR10245310 048 IC TC74VHC245FT TSSOP 20PTOSHIBA HA03203750 050 FILTER B4836 SMD 12P SIEMENS DEO4008YPO U53 INVERTER TC7SHO4FU SSOP 5PTOSHIBA JC101010T0 U54 SW ELECTRON MAX4541EUA 8 uMAX8P MAXIM AR10273310 058 IC TC74VHC273FT TSSOP 20PTOSHIBA 078032140 059 REGULATOR TK71629SCLH SOT 23 5P EM432702Y0 CRYSTAL 32 768KHz 206 SMD4P EPSON 187 R3255003E0 ANTENNA SPRING PLATE GD268M KG101703T0 BOARD A758M 100x39mm 95 2 LOCATION SPECIFICATION BUZZER SMT 8103C SMD SAMBU REMARK 1 HJ02004760 71 GM410423J C901 C915 C916 C925 GM410152J 0902 920 CHIP 1608 0 1U 16V MURATA CHIP MONO 1608 100 50 JN MURATA GM0335187 903 C904 C905 C906 CHIP MONO 2012 3 3U 10V ZY
50. P MONO 1608 2 7P 50V CNMURATA GM46895BJ C290 CHIP MONO 1608 6 8P 50V CN MURATA GM40505BJ C306 CHIP MONO 1608 1500P 50V KXMURATA CHIP MONO 1608 5P 50V CN MURATA GM447253J CHIP MONO 1608 0047U 50V K MURATA GM433152J 0 0 GM415253J0 0 0 0 CHIP 1608 330P 50V JN MURATA 1300862 0 01 DIODE BZX84 C4V3 SOT23 3P PHILIPS 1500316 0 05 DIODE 5 57630 020 507 143 4P ALPHA EK920095W0 06 ZEN DIODELM4041CIM3 1 2 SOT23NATIONAL 1500124 0 07 08 09 DIODE 10 SMD R301007060 CONNECTOR DF12D 3 0 40DP 0 5V 81 HIROSE 832700050 43 SIMLOCK 11 7x7 5x2 0mm JC101008Y0 J4 ANT SW IMS 2104 99 IMS R3010064M0 J5 CARKIT HO1453G1 16 GD588 R3010181F0 J6 BAT CON AB3043 A0G1K 4Pin R3010166M0 000001950 J10 L1 L18 VIBRATOR CONNECTOR 1 27mm PITCH 2 PIN SMT CORE SMT 27nH 0603 5 KOA 000002050 13 47nH 0603 5 000003350 14180 CORE SMT 82nH 0603 5 10403070 1611 CHIP BEAD 1608 60ohm PANASONIC 000002950 1718192 12nH 0603 5 000003050 9 110 160 SMT 18nH 0603 5 000002250 11319 CORE SMT 8 2nH 0603 5 KOA 000002850 L15 L24 L25 L47 L81 CORE SMT 10nH 0603 5 KOA 000003250 117144169 SMT 56nH 0603 5
51. a Failure No Display on LCD gt Solution Test the resistance of C903 C911 by using multi meter the value should be infinity Replace the capacitor which has any impedance Otherwise replace LCD module b Failure Broken LCD gt Solution Replace whole LCD module Solder the LCD module with care Failure Light gt Solution Replace the LED that doesn t light up including any failing parts of LED If all of LEDs fail please check whether J1 has cold solder 4 It Check the circuit trace on UIF board 5 U48 mI m gt gt gt lt Dal gt 2 2 gt E 96 LUCENT d Failure Fails on Dark display Black line Short of lines Unstable brightness gt Solution It may be caused by LCD defect Please replace LCD If the display is dark replace LCD in advance Otherwise replace U48 LED 56 3 TROUBLE SHOOTING 3 4 Transmission amp Receiving Failure a Failure U32 Receiving signal failure U23 gt Solution Check the soldering of U23 U31 Otherwise replace U23 U31 U9 b Failure Transmission signal failure gt Solution Check the soldering of 023 09 032 aa Otherwise 023 09 032 Failure Vibrator function failure gt Solution Check the wire of Vibrator Ar
52. ce more 2 Download S W and try the process again Read RX OK Channel amp Level 88 9 HOW TO PROCESS CALIBRATION 9 5 GSM900 DCS1800 Final Test Flowchart Original Call Test GSM Item TXP PVT PFER ORFS MO ORFS SW FBER RXL RXQ Change Channel GSM900 Cannel amp Level Test DCS Change Items PVT PFER ORFS MO ORFS Channel SW FBER RXL RXQ DCS1800 Channel amp Level ERROR End Call MESSAGE 89 EXPLODED VIEW 10 PART NO R3870068A0 PARTNAME LCD Lens DESCRIPTION In Mold QUANTITY R3970005C0 Nonwoven Receiver 07 5 0 21 R2710150B0 Front Case Pearl white R3630029E0 Sponge 013 29 0 5t Receiver 001171 0 HJ110029M0 Receiver Microphone 500311 2 913 OBC 18543 C10 C33 3mm BOSUNG R3630069E0 Sponge 38 31 0 51 LCM R3920024J0 R322002600 Keypad Machine Screw Plastic Rubber Silver White M2 8L Pan Head R4010002U0 Metal Dome 4 KG101401A0 Keypad PCB 758 0 8 0 08 286002030 Shielding 72 KG101500A0 Main Board 758 1 22 0 12 R393000930 Antenna 07 5 0 21 R3630049G0 Sponge 10 4 2t R4000004V0 Vibrator 47121 R2720125B0 Rear Case DARK GREY PC ABS 015403200 Rubber BLACK GD168 R2820015B0 Eject Bu
53. dset 4 Connect RF Cable to LG 200 handse s RF Connector 5 POWER then enter into WINDOWS NT Remark Windows 95 98 2000 system could feasible but we strongly recommend using Windows NT system due to stability reason 6 Run PCB588 exe then PC588 application window is appeared as shown below 85 7 Select CAL item CAL_BAT_SHUTU 2199 BATCAL CAL_BAT_PEAKU 3915 REF PUR 57 21 IF1 PUR 45 38 CR L GSM IF2 PUR 75 37 LHRonFreqfdj C1 11 88 LHARonFreqfdj C5 11 1 CAL_LNAonFreqadj_C36 9 45 CAL_LNAonFregAdj_C58 9 76 CnL_LNaonFreqndj_cze 18 25 1 18 62 LHARonFreqfdj C118 11 69 CAL_LNAonFregaAdj C120 12 61 CAL_LNAonFregAd C124 ZEMI CAL_GSH_LNA_TGAIN 17 18 START TESTING Load TX RX Inital Start Qogir Processing Screen 86 9 HOW TO PROCESS CALIBRATION 9 The program will be stopped automatically when process finish CD URITIHG _ 8 0600262 8888888 Finished 87 9 4 GSM900 DCS1800 Calibration Test Flowchart GSM900 DCS1800 Fetch TX Channel amp Level Battery Calibration OK NG NG Original Call LAN Calibration m NG Load Default Read RX Channel amp Level OK Fetch TX Channel Level END CALL LNA Calibration ERROR MESSAGE 1 Try the process on
54. e 045 in the Rx 900 RF path is to filter out unwanted signal beyond the GSM Rx band These two paths are then connected to the DLNAI 2 GLNAI 4 of W3020 U31 respectively The RF receive signal is amplified by LNAs in W3020 with the output at DLNAO 63 and GLNAO 61 respectively and then pass through the SAW filters B4635 U22 and B4684 U10 After this filtering process the signal then feeds into U31 for mixing with LO which is produced by the synthesiser W3000 U19 and two VCOs W3020 UHF mixers produce a IF signal of frequency 270 MHz at RMON 2 51 50 in differential mode This differential signal is filtered by 4836 050 a 270 MHz SAW filter and then fed to W3020 34 and 35 C259 C313 C258 TX 900 PAL C314 L L dk 1800 PAL ANTENNA 192 10 2 TECHNICAL BRIEF 2 1 amp Q Demodulator The modulated IF signal is demodulated by mixing with a 270 MHz signal which was derived from the 540Mhz oscillator Before the mixer is a 32db gain IF amplifier which be set to either 0 or 32db of gain The mixer has 6db gain itself and then followed by two low pass filters and five baseband amplifiers The W3020 produces demodulated baseband signals at RIP 47 RIN 46 45 and 44 which are connected to SC1688 U1 lt lt Ju 006 XH 2 jl lt lt Xu 55 1969 681 9180 voaf 6699
55. er Zi ezText 2 Languages at the same time ART Voice Memo 3 Minutes Phone Book Voice Tag Game amp Accessory GPRS 1 3 Technical Specification Description Frequency Band GSM900 band Tx 890 n 0 2 MHz 935 n 0 2 MHz n 1 124 GSM1800 band Specification Tx 1710 n 512 0 2 Rx 1805 512 0 n 512 885 2 1 PERFORMANCE Phase error RMS 5 degrees Peak 20 degrees Frequency error lt 0 1ppm 90 Hz for GSM900 180 Hz for 5 1800 Power Level GSM900 Control Level Power Level Tolerance 33 dBm 31 dBm 29 dBm 27 dBm 25 dBm 23 dBm 21 dBm 19 dBm 17 dBm 15 dBm 13 dBm 11 dBm 9 dBm 7 dBm 5 dBm 2dB GSM1800 Control Level Power Level Tolerance OI T OO N O 30 dBm 28 dBm 26 dBm 24 dBm 22 dBm 20 dBm 18 dBm 16 dBm 14 dBm 12 dBm 10 dBm 8 dBm 6 dBm 4 dBm 2 dBm 0 dBm 2dB 4dB 4dB 4dB 4dB 4dB 5dB Description Specification Spectrum due GSM900 to modulation Offset from Carrier KHz Max dBc 100 40 5 200 250 400 600 1200 1200 1800 1800 3000 3000 6000 2 6000
56. f the external logic to the select either the normal power supply or a backup battery to provide uninterrupted VRTC Switching to backup power has to be done in the following sequence The BSW should be asserted Switch VRTC to backup power Turn off Vo and maintain VRTC Switching back to primary power has to be done in the following sequence Turn on Switch VRTC back to primary power The BSW signal is deserted 25 5 Vibrator 410 R338 8005 10 R333 VIBRATOR VIBRATOR EN lt The vibrator is driven by the signal VIBRATOR EN which is output from U58 74VHC273 The signal is amplified by the transistor Q10 25 2411 and is supplied from Vbat 26 2 TECHNICAL BRIEF 6 Battery Voltage and Temperature Sensing BATT CONTACTS Vbat JB C341 c345 cise 0221 0154 tape 4 miu VDD_CPP S vb R336 22200 Lc E U49 M K SRS 40 R34 AAAA gt AUDEN 51R E Em WA R219 22008 2 BATT TEMP TYPE e157 L029 Spes SIR 410 100 2556 GUARD CIRCUIT VOLTAGE SENSE p130 AK gt _ 5 The CPP can monitor the state of the battery through the battery interface connector J6 This can done during b
57. f the software can t be reinstalled please replace U12 b Failure Problem with charging the battery Charge connector damage gt Solution J5 may be broken replace the connector 45 Control the temperature and air flow carefully J5 may be a cold soldering Please re solder again Failure Solution If the value of current looks like short circuit please replace U9 or U23 U23 U9 d Failure Solution Check the voltage output of Pin1 of U41 the value should between 2 8V and 3 5 Please replace U41 or U39 if there is no output or value abnormal 041 039 Failure Over heated set battery Short suspend time gt Solution Test the set s current by using battery simulator observe the value of current used If the current is between 6 and U9 400 take out 09 or 032 and repeat above motions again Replace U9 or U32 if new value is 0 U32 54 3 2 Voice Function Failure Lun 18 E LIE C911 C903 LCD 55 3 TROUBLE SHOOTING a Failure Microphone voice failure gt Solution Test the resistance of C18 capacitor by using multi meter Replace C18 if the testing value is lower than 180 Replace Microphone if C18 is fine b Failure Hand free function failure gt Solution J5 may be broken replace the connector 45 J5 may be cold soldering Please re solder again
58. ich control this part of the receiver circuit 1 The Control Signal of Diplexer see Figure 6 VDD CPP see Figure 7 SCt1 see Figure 8 VDD OCS see Figure 9 see Figure 11 TCXO System Clock see Figure 15 gt Transmitter Levels Checks This section shows the typical levels expected throughout the transmitter path A block diagram showing the locations of the RF measurement points is shown in Figure 2 5 Transmitter Testing Set up To check the transmitter the following conditions have to be set 1 Set the DC power supply to 3 8 volts 2 Power up the GSM DCS test set and then establishing a call with an attached mobile on active mode 3 Select Channel Tx Level and Input Level according to which parameter is required 6 Testing the Transmitter Using a suitable high frequency probe measure the HF levels at the relevant points shown in Figure 2 and compare your measurements with those shown in the diagram If there are any major differences between the readings taken and those indicated then further investigation of that particular point will be required It will also be necessary to ensure that all the following power supplies and signals are present which control this part of the transmitter circuit 1 The Control Signal of Diplexer see Figure 6 561 see Figure 8 VDD OCS see Figure 10 VDD RF see Figure 12 VDD Tx BUF see
59. ines the UHF VCO frequency i e GSM TX 1160Mhz 1185Mhz DCS TX 1530Mhz 1610Mhz Three control inputs are used in the UHF Synthesiser SERDA SERCK SERLT It is the SERDA control input which initially sets the TX VCO frequency This is totally dependent on the chosen traffic channel the logic circuit has selected at the time U23 Dipl 283 nM 11 The Power Amp Circuit 5 The PA Circuit The power amplifier control circuit ensures that the RF signal is regulated to the required limits of operation The TX RF signal is input on 3 09 032 and the power amplifier outputs the signal at 10 The diplexor is tuned to the GSM or duplex spacing so enabling selectivity between GSM and PCN Rx or Tx 16 2 TECHNICAL BRIEF 2 3 The PA Circuit and its Control 1 The PA Circuit and its Control The power amplifier control circuit ensures that the RF signal is regulated to the required limits of operation Power control is carried out according to the measurement of the power output of the RF Detect see Fig P A Circuit Control A voltage drop which is converted from the RF power through a Diode Detector is then integrated by the operational amplifier U21 to give an error voltage regulates the TXP signal The TXP input signal to the power control circuit is generated by the U1 490 TXP provides a limit for the frequency spectrum caused by burst modulation VDD TXBUF 2 85V is the main powe
60. k ohms pull down resistors while the columns are inputs When a key is pressed the corresponding row and column are connected together causing the row output to go high and generate an interrupt The columns rows are then scanned by CPP to identify the pressed key 28 2 TECHNICAL BRIEF 2 Display and Interface LCD901 DB5 DB6 SCLK DB7 SID DUTYO DUTY1 KSD0713TCP C901 104 LCD CS1 R901 lt 5 5 RESET C902 L 100P RS lt sck 1 MDOSDI C903 902 C905 3 30 E C9071U C9081U 90910 C9101U 1 C9111U Power to the LCD is controlled by CPP and be switched and SYS RESET B high on this output powers the LCD low switches it off There is also the control output LCD 51 that is also derived from CPP this acts as the chip select enable for the LCD module CPP uses MDOSDI pin to send serial data for displaying graphical text onto the LCD 29 3 922 47 T The microphone is mounted in the handset front cover and connects to User Interface Board The audio signal is passed to User Interface Board and to the MICIN 4 pin of SC1689 The voltage supply VREG is output from SC1689 3 and is a bias voltage for both the through R8 and EXT_IN lines The microphone or signal is then A D converted by the CSP
61. m Power Output RF Output Power Levels Power Control Level 5 Power Control Level 6 Power Control Level 7 Power Control Level 8 Power Control Level 9 Power Control Level 10 Power Control Level 11 Power Control Level 12 Power Control Level 13 Power Control Level 14 Power Control Level 15 Power Control Level 16 Power Control Level 17 Power Control Level 18 Power Control Level 19 TX Frequency Output Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 TX Frequency Calculation Ftx TX UHF VCO Frequency Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 TX UHF VCO Freq Calculation Ftuht IF VCO Frequency TX IF Frequency Rx IF Frequency Phase Error Peak Phase Error RMS Phase Error 1 PERFORMANCE lt 90Hz 33dBm 15 decrementing in 2dB steps 33dBm 2dB 31dBm 3dB 29dBm 274 25 23dBm 21 19dBm 17 15dBm 13dBm 11 5 9dBm 5dB 7dBm 5dB 5dBm 5dB 890 2 MHz 902 4 MHz 914 8 MHz 890 ARFCN x 0 2 MHz 1160 2 MHz 1172 4 MHz 1184 8 MHz Ftx 270 Ftunt MHz 540 MHz 270 MHz 270MHz 20 degrees 5 degrees 1 5 DCS Specifications Frequency Stability lt 180Hz Power Output 30dBm RF Output Power Levels 16 decrementing in 2dB steps Power Control Level 0 Power Control Level 1 Power Control Level 2 Power C
62. measures PIN1 6 7 2 85V PIN10 13MHz PIN 12 PIN 13 28913 28N ra ra ov id ov GSM filter 2 25 99dbm 34 3dbm 37 66dbm 42 64dbm 31 34dbm 40 45dbm 869MHZ 1 068GH 1264082 896MHZ 1 068GHZ 1 264GHZ DCS RX filter PIN2 31 34dbm PIN 5 38 69dbm 42 27dbm 43 31dbm 46 61dbm 47 34dbm 57 9dbm 57 06dbm 46 46dbm Ee 2 1 077GHZ 1 2610 1 578GHZ 1 710GHZ 1 0770 1 2610 1 4620 1 5786 1 7106 1 462GHZ 67 5 ASSEMBLY INSTRUCTIONS 1 Remove battery pack 2 Remove screws There are 4 screws in total 68 5 INSTRUCTIONS 3 Turn handset 69 5 6 screws There 2 screws total 70 5 INSTRUCTIONS 7 Take off board iN25n1 7 9 10 Vibrator ag L 72 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM FLASH SRAM U31 W3020 1689 BUZZER PLIP GLIP TOUT TOV KEY BOARD LCD T3 7 CIRCUIT DIAGRAM POWER SUPPLY
63. ontrol Level 3 Power Control Level 4 Power Control Level 5 Power Control Level 6 Power Control Level 7 Power Control Level 8 Power Control Level 9 Power Control Level 10 Power Control Level 11 Power Control Level 12 Power Control Level 13 Power Control Level 14 Power Control Level 15 TX Frequency Output Low Channel Ch 512 Mid Channel Ch 699 High Channel Ch 885 TX Frequency Calculation Ftx TX UHF VCO Frequency Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 TX UHF VCO Freq Calculation Ftuhf 30dBm 2dB 28dBm 26dBm 244 224 20dBm 1848 16dBm 1448 44 124 44 1048 44 8dBm 4dB 4dB 4dBm 4dB 2dBm 5dB 5dB 1710 2 MHz 1747 6 MHz 1784 8 MHz 1710 2 x 0 2 MHz 1530 2 MHz 1567 6 MHz 1604 8 MHz Ftx 180 Ftuhf MHz IF VCO Frequency 540 MHz TX IF Frequency 180 MHz Rx IF Frequency 270MHz Phase Error Peak Phase Error RMS Phase Error lt 20 degrees lt 5 degrees 1 6 Receiver GSM RX Frequency Input Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 RX Frequency Calculation Frx RX UHF VCO Frequency Low Channel Ch 1 Mid Channel Ch 62 High Channel Ch 124 UHF VCO Freq Calculation Fruhf RX VCO Frequency Demodulation Frequency IF Frequency BER Bit Error Ratio 1 7 Receiver DCS RX Frequency
64. oth normal and charging operations The battery provides a number of interface connections that enable the CPP determine the battery type its capacity temperature and whether it is possible to re charge the cell s The thermister in the battery pack which is attached to the battery connector pin3 is used to produce an analogue reading of the board s own surface temperature The J6 connector provides a connection between the battery power contacts Vbat GND to the main board and BATT TEMP TYPE monitoring circuits to the battery VOLTS enables the CPP pin59 to measure the battery voltage and hence determine how much charge remains in the cells The battery pack includes an internal thermister which is used to produce the analogue signal BATT TEMP TYPE This enables the CPP and external charger to determine the battery type and battery temperature which is used to protect the battery from overheating while charging 27 2 7 User Interface 1 Switches Scanning co cs L4 M The key switches are metal domes which make contact between two concentric pads on the top layer of the PCB when pressed There are 18 switches S1 18 connected in a matrix of 3 rows by 6 columns as the figure shown above except for the power switch S18 which is connected independently Functions the row and column lines of the keypad are connected to ports of CPP The rows are outputs with 10
65. part of Super chip SC1689 The digitized speech is then passed to the DSP section of SC1689 for processing coding interleaving GND 4 Earpiece L1 EARP SPEAKER LS901 The earpiece is driven directly SC1689 AOUTAP 94 and AOUTAN 93 pins and the gain is controlled by the DSP software The earpiece is located in the handset front panel and the signals are routed to it via two connection pads between User Interface Board and earpiece 30 2 TECHNICAL BRIEF 5 Hands free Interface The audio out AOUTBP amp AOUTBN to the hands free kit consists of a pair of differential signals from 5 1689 auxiliary outputs 95 96 which are tracked down the board to carkit connector J5 at the base of the handset The audio in AUXIN from the hands free is converted to a single signal using the op amp The bias voltage VREF from SC1689 3 is used as a reference voltage for this amplifier The DC level of the signal is supplied to the AUXOUT pin And the IN signal is then input to the AUXIN 99 of SC1689 6 Buzzer Driver VDD CPP D902 R911 220 155355 0903 R915 BUZZER buzzer is piezo electric transducer which is driven by pulse width square wave from PWM1 output of 0901 and 0903 amplify the signal in order to achieve the specified loudness 31 7 Back light Illumination Vbat D908 D909 D910 D917 LED LED LED 0902 BACKLIGHT EN BC8
66. r supply for power control circuit An op amp U21 which outputs a control signal but is not enough to drive the P A to the maximum output Q20 and Q26 are an extra amplifier and buffer stage that use Vbat more than 3 5V in order to drive the control signal to a sufficient level for P A The power control circuitry has two different loop gains for increasing the dynamic power control range and it is switched by U54 that is controlled by the control supply PCL SW The control supplies PA 900 EN B and PA 1800 EN B control the switches Q28 and Q29 to make sure the control signal goes to the right PA 900 and VRAMP 1800 TXBUF RF DETECT TXP PCL SW 17 2 4 13 VDD OSC VDD OSC ETP1 C203 ni69 VDD OSC ke 220 R180 C204 C207 56K T T 100p VDD_OSC VDD OSC The 13 MHz clock END3352B consists of a TCXO Temperature Compensated Crystal Oscillator which oscillates at a frequency of 13MHz It s used within the W3000 Synthesizers Communication Protocol processor CPP and Super Chip 1 SC1689 NC7S04 buffer the output to CPP SC1 and W3000 18 2 TECHNICAL BRIEF 2 5 Main Processor DSP 1 Main Processor CPP C The CPP C is aLucent Technologies designed processor The CPP C performs the following functions CPU CPU Interface Interrupt Controller Baseband Power Control Keypad Control Display
67. range the wire carefully before assembling the main board Check the Vibrator whether it is well fixed onto the lower case Vibrator wire b Failure Key sound failure gt Solution Get into test mode and check the function of key sound If it s fine in test mode adjust the setting in user mode Buzzer Failure Weak Buzzer sound gt Solution Replace Buzzer Test mode 57 z 2 wm gt gt lt e nr m m Seu x lt 96 LUCENT d Failure No Buzzer sound gt Solution Check the soldering of J1 Check the trace insulator around screw hole on the UIF board J1 e Failure Key light failure gt Solution If any parts of LEDs are not working please replace them with new LED If all of LEDs fail check both of J1 and UIF board and see whether it is cold soldering or trace is broken UIF board LED 58 3 TROUBLE SHOOTING f Failure Problem with inserting card message gt Solution Replace C6 capacitor if its resistance is from end to end is between 10 and 250 If C6 is fine please replace U11 C6 U11 9 Failure Clock is not working Io 18 Solution i Check X1 if soldering is ok 2 X1 Replace X1crystal if there is 32KHz frequency output LUCENT 4801070 00025 gt 96 100181 Le 59 4 TEST POINT DATA E LG200 M B 1 1 04
68. t 37 1 1 00 2 1 00 00s 2 1 1 0 0 005 1 STOP 11562 50m Figure 7 VDD_CPP see Fig 5 38 2 TECHNICAL BRIEF 1 00 0 005 1 STOP 12 62 5 Figure 8 VDD SC1 see Fig 5 1 00 0 005 20082 4 1 STOP Y Figure 9 OSC Tx is unable see Fig 5 39 12 83 12 2 844 Figure 11 VDD RF Tx is unable see Fig 5 40 2 TECHNICAL BRIEF 1 1 00 200 41 STOP 11593 Figure 12 VDD RF Tx is enable see Fig 5 1 1 00 0 005 20097 41 STOP 12 2 4 9 v Figure 13 VDD Tx BUF the Tx is unable see Fig 5 41 1 1 00 0 005 41 STOP 12 82 Figure 14 VDD Tx BUF Tx is enable see Fig 5 1 0 008 50 087 1 STOP i lm feud WE ID m ee dr dels Figure 15 TCXO 13MHz RF see Fig 4 42 2 TECHNICAL BRIEF 2 9 Dimensions of Main Components BZX84 4 D1 Top view 243 Voltage regulator diodes 10 07 D8 09 2 9 0 2 1 90 2 o 0 95 Ultra high speed switching diode 62 07 05 3 4 2 1 VPS05605 s p b Silicon Schottky Diode
69. tton DARK GREY PC ABS R3850027H0 SIM Card Plate Same as A728 JB040042A0 Battery Pack Li lon 650mAH Eject Spring SUS 93 6 9L R382005080 Isolate Plate 5 92 0 0 5t R322005100 Machine Screw M1 6 5 5L Pan Head R395003660 R3830073E0 Lens Adhesive tape SPONGE 1 0 1 3 R3630065E0 SPONGE FOR BUZZER R382004090 R382004880 Mylar Isolate Plate FOR shielding 2 3X6 8 FOR RearCase 36 1X26 5 4 4 4 4 4 1 4 4 4 4 4 4 4 4 4 4 41 4 4 4 1 4 41 4 4 4 4 4 90 11 PARTS LIST 11 REPLACEMENT PARTS LIST 1 Main Board LTEM PART NO LOCATION C1 2 065 066 067 069 C70 071 085 086 C113 C114 0115 0116 0117 0120 0127 0146 0154 0155 157 C302 C304 C305 C330 SPECIFICATION 0 1608 47P 50V JN MURATA REMARK 433052J 03 5 623 627 033 644 653 656 57 6170 6172 C254 C273 C291 C311 0324 0364 O 1608 33P 50V JN MURATA 0475187 C6 C135 2012 4 7U 10V ZY TATYO YUDEN 410423J C7 C8 C9 C10 C11 012 C63 C73 C74 C75 C76 C77 083 089 0137 139 0140 0141 0142 0171 206 0217 0218 0220 0251 262 266 292 319 O 1608 0 1U 16V KX MURATA 13 109 0110 0119 122 124 0129 0138 0153 219 221 0263 0264 300 0331 0340 1608 1U 10V 27 MURATA 14 0126 0131 2012 2 2U 10V KX YUDEN 16 21 022 29 034 049 050 0101
70. ving failure of 900MHz DCS RX fliter for damage caused by receving failure of 1800MHz 65 E LG 200 M B 4 1 55575 58 Selec 66 V d c 4 TEST POINT DATA LG 200 M B 4 2 Local measures PIN1 2 85V PIN6 540MHz at receive transmit mode measure PIN2 measure PIN5 33 54dbm 53 42db 49 Dem 1 145GHZ 1 326GHZ 1 710GHZ 1 145GHZ 1 826GHZ 1 710GHZ GSM RX filter measure PIN 2 measure PIN 5 30 46dbm 46 56dbm 43 83dbm 38 92dbm AC 48 15dbm pes 46 99dbm 894MHZ 1 06GHZ 1 264GHZ 894MHZ 1 064GHZ 1 264GHZ DCS TX filter measures PIN2 21 5dBm PIN6 24 33dBm GSM filter measures PIN2 9 07dBm PIN3 8 07dBm W3020 RF signal processor measures PIN9 10 13 26 20 37 43 49 58 2 85V 033 measures 5 270 2 74dBm DCS 180KHz 75dBm U15 measures PIN 26 38 50 76 100 42 55 2 85V PIN 62 64 65 32 768KHZ X1 CLOCK generator measures PIN4 32 768MHz 13MHz Power source measures Vin of PIN1 3 8V PIN3 High Vout of PINS 2 85V DCS TX VCO measures PIN7 2 85V at DCS transmit mode measure PIN 44 63dbm 51 79dbm 46 78dbm 1 7122GHZ 1 4734GHZ 1 5662GHZ GSM TX VCO measures PIN7 2 85V at GSM transmit mode PIN 26dbm 26 49 07dbm 31dbm 974 2MHZ 1 0774GH 1 286GHZ PLL
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