Samsung SGH-X460 service manual - Provinspc
Contents
1. Baseband power supply SIM 400 ven 10k m PU JG RE l RECO JACK I C431 32K 33PF RSTO E IE san i CHARGER IO pa Ca28 100NF REF i 4 i zs ilz Ai PMU IC sa m raked ita on ME 100NF ae m 8 sue E 2205 gE Sb ene E 2209 SM vcc EE SERT 2 SES sles ERNE a 26 le zo IM RST CN500 INCCLK C Da A3 305 SM vedez SIM I0 ili 6 l6 U400 Eg CHARGE Cu ca 2 5 PCFS0601ET1 N5 2k PUNP mci adadi Mic PAS i eii m E ONOFF S m c esos case Te BT SCL CONTROL zu SRY a iteram 28 m o Ine on T 27PF Eu gt PRE D1 C429 T r3 SM SIMIO B8 aa 40UF C404 C430 He REFC ON CHP ge INTERFACE SIMCLKCS SS 6 3V A100N ATPF K6 REFGND V REFERENCE reference T caos caos refgnd amp pa a gt SIMD von avos BATA00 TONF 4 7UF MIC BIAS a SOCK X2. Baseband power supply SIM v um an 10K C431 33PF gem pene z pe mu do PMU IC sol m baled 9 ads 1001F INR i Es 35 al S Seb nei E 2822 sm vcc z SER VBE E 2226 IM RST CN500 TES mma u z py SIM CLK C D amp A3 H3 0 5 3 i SM ved c2 SIM Io 1 ele U400 EE CHARGE ae E Hn PCFSOSDTETI NS 2 PUMP eia d ceed MIC BIAS B sch amp 3 ONOFF du Oe case 109 f8 7 SCL F2 s 4 INTERFACE gt CONTROL 25 is A7UF 100NF 27PF sm E h CPRE p1 SM SIMIO Bg C429 FE ae 10UF C404 C430 He REFC onch ge INTERFACE SIMCLKCS 6 3v 100NF 4 7PF K6 REFGNI REFERENC E h E z z cas caos relgnd amp 2d sim VbD 3vos BATA00 ONF A7UF MIC BIAS pn eerie Sox ML414R F9GE mt prae is x nre cell 6 moss t reos rosozendlt T BL ek XT Dicat oscara gt Ka LI T Vus VRAT EME Hic gt hmp OSC32 i
3. ur 5 3 S E LED502 LED501 LED507 E 1 E 3 cz z NE n N oO v Ld a ae z up dem Co s S I po i E m lH ipod SS R3I e V304 S e LED500 LED506 5 als z d E 3 f5u4 E amp U501 amp lve06 z P Sien ZD506 SEND D e 3E 3 miel ede cedo VOLO VOE601 6 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 7 SGH X460 Flow Chart of Troubleshooting 1 Power On Power On does not work E Check the Battery Voltage cui is more than 3 4V Check the Clock at No R402 32KHZ No Check for the clock at C121 26MHz Yes Check the initial operation Yes END 7 1 Change the Battery Check the PMU related to V_ISUP Resolder X1 Check the VDD1 circuit Check the VDD2 VDD3 circuit Check the clock generation circuit related to OSC101 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting
4. No Check ANT Switch control circuit Resolder C138 C139 Yes Yes Check U105 U105 pin48 gt Tie TM Baas CDU Resolder or Change U105 No Check VBATT or PAM No control signal A Yes 1109 pinis gt Resolder R125 R127 R128 No No Check amp Resolder RFLO OO sc 7 8 9 signal RF26MHz RF PSU Part Yes Check Uae Check U100 pin 10 22 23 gt 2 7V OK END li Resolder U100 7 18 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 13 DCS Receiver RX ON RF input CH center freq 67 7kHz Amp 50dBm No Resolder CON201 L112 U102 pin10 gt 65dBm No U102 pind gt 65dBm Check U102 Peck V102 Check ANT Switch pin7 L pina control circuit Yes Resoder MODULE1 No Resolder F101 C107 L106 F101 pinl gt 70dBm No Resolder C102 C109 L104 U100 pin38 gt 70dBm pin39 gt 70dBm Check amp Resolder U100 RF26MHz RF PSU Part R119 R120 R122 R123 gt 1V ve Check U200 mo 7 19 SAMSUNG Proprietary Contents may change without no
5. TX Power TX Power control level PEENE control level PESIIN 5 3342 dBm 0 30 3 dBm 6 3142 dBm 1 28 3 dBm 7 2942 dBm 2 2643 dBm 8 27 2 dBm 3 2443 dBm 9 2542 dBm 4 22 3 dBm 10 2342 dBm 5 2043 dBm 11 2142 dBm 6 1843 dBm 12 19 2 dBm 7 16 3 dBm 13 1742 dBm 8 14 3 dBm 14 15 2 dBm 9 12 4 dBm 15 1342 dBm 10 10 4 dBm 16 11 3 dBm 11 8 4dBm 17 9 3dBm 12 6 4 dBm 18 7X3 dBm 13 4 4 dBm 19 5 3 dBm 14 2 5 dBm 15 0x5 dBm 1 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 2 SGH X460 Circuit Description SGH X460 RF Circuit Description A RX PART 1 ASM U102 Switching Tx Rx path for GSM900 DCS1800 by logic controlling 2 ASM Control Logic Truth Table VC I1 vC 2 GSM Tx Mode H L DCS Tx Mode L H GSM Rx Mode L L DCS Rx Mode L L 3 FILTER To convert Electromagnetic Field Wave to Acoustic Wave and then pass the specific frequency band GSM FILTER F100 gt For filtering the frequency band between 925 960 MHz DCS FILTER F101 gt For filtering the frequency band 1805 and 1880 MHz 4 VC TCXO OSC101 To generate the 26MHz reference clock to drive the logic and RF After additional process the reference clock applies to the U100 Rx IQ demodulator and Tx IQ modulator The oscillator for RX IQ demodulator and Tx modulator are controlled by serial
6. 7 4 This Document can not be used without Samsung s authorization SAMSUNG Proprietary Contents may change without notice vopi von vope vps vop1 Avgo cm cow cay cme cas cae co coe 100NF 100NF aaPF tone moone 10NF owe mer pin D14 pin F12 pin C12 200 allel 4 a SEE pin B12 OM6357 gE S E amp ed lb fa eo ero 5 DREF 13 PU oq agag gg gagg g crore a pud Ka Breg 88 sees a PON cD Vor PU ckis20 PDCU g 2 REF ON asta gt RESETN PCF50874 bs RSTO N ES CER os GSM TXVCO EN RSTN O0 E C220 GSM ANT SW 100NF A SS Ir lur es pcs ANT S E kio PON SYN ie PON TX PON RK RFCU liz EI M 4 lei fra o nr s cix Es gt r1 RF BBI DATA p9 E sna DZ 8 l REE Ne lcs j RF EN SYN d verse cae une psp AUXDAG E12 Ei EM WK AUXDAC2D ie L_f A UxDAC3 Dt s 8 bat ORX TP SIOX ORCTXN IRCTX P Li Z IRX TX N T MES_BATT m UN o AVDD TEMP reum PRODUCT vr p oup EARP P ri D EARP N vops u SION W AUXSP EARP R L T uaz HW NS 7 a Nevsz1916x HRD_N mic p Mic N 1CD MEL c a cs x GT Anm D g AUX MIC P CS NANI n E cse AUX MIC N 4 m a Sn wk vec cND cs PCF50732 amp p ner 13M 5 2 R2 29K VDD1 vo Mt an e202
7. VDD2 Charge of Battery R316 47K U304 ve _cHqs END OF CHARGE 4DCVOLT gt T T 2 IN BATZ vea 0314 3 aND ACOS e X CHARGER IO NM 10uF H 6 3V a enS____1_v cg on c3isl cate ZD301 SH A z Kone Nort WH GE ewe ZD801 aera p VC040205X150R ION y MAX1508ETA x peaked 0317 Z R318 E 470nF 27K 88 R319 7 330K 1 1 Re So SS RS IH lt 3 8 ES NA Y EA m e w gt E z AVDD TEM R321 100K 1 TEMP PRODUCT V300 R322 NCP15WB473J04RC 100K 1 THERMISTER PCB_HOLE 7 6 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting 4 Sim Part Phone can t access SIM Card No CN500 pin 1 5 H Check the sim charge pump Yes No After Power ON Check SIMCLK Signal on CN500 Check the 32k OSC pin3 in a few second Yes No After SIM card insert CN500 pin 2 H SIM RST Replace PBA Check the SIM Card ves END 7 7 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting vpp1
8. QFLO1 QMW01 QMP01 QME02 QANO2 QRE01 QRF01 QBA18 3 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Exploded view and its Part list 2 Cellular phone Parts list Location DEA NO Description SEC CODE Remark QFUO1 FOLDER UPPER GH75 04524A QLC67 LCD GHO7 00564A QSP04 SPEAKER 3001 001574 QMO02 MOTOR 3101 001315 QFLO1 FOLDER LOWER GH75 04525A QMWO1 MAIN WINDOW LCD GH75 04528A QFRO1 FRONT COVER GH75 04523A QVOO1 VOLUME KEY GH75 04529A QKPO1 KEYPAD GH75 04527A QMPO1 MAIN PBA GH92 01799A QVKO1 VOL KEY FPCB GH59 01419A QANO2 INTENNA GH42 00425A QME02 METAL DOME GH59 01418A QREO1 REAR COVER GH75 04526A QIFO1 IF COVER GH72 13265A QRFO1 RF COVER GH72 15078A QCRO4 SCREW 6001 001479 QBA18 BATTERY GH43 01418A QSC11 FOLDER SCREW CAP R GH74 09038A QSC12 FOLDER SCREW CAP L GH74 09039A 3 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Exploded view and its Part list 3 Test Jig GH80 019094 POWER NOFF 3 1 RF Test Cable 3 2 Test Cable 3 3 Serial Cable GH39 002614 GH39 00
9. SEC CODE Design LOC 2203 000425 C102 C109 2203 000438 C123 C153 C305 C313 2203 000550 C127 2203 000585 C126 C130 C131 C132 2203 000585 C133 2203 000609 C128 2203 000679 C303 C432 C604 2203 000800 C117 2203 000812 C137 C142 C145 C156 2203 000812 C202 C207 C320 C321 2203 000812 C431 C528 2203 000854 C100 C107 C129 2203 000940 C149 C152 2203 000995 C529 C530 C607 C608 2203 000995 C609 C610 C611 C612 2203 001153 C138 C146 2203 001652 C410 C422 2203 002443 C503 2203 002525 C110 2203 003054 C407 C409 2203 005054 C430 2203 005056 C141 2203 005057 C114 C120 2203 005065 C122 C420 2203 005138 C108 2203 005288 C139 2203 005382 C155 2203 005481 C116 C118 2203 005482 C105 C106 C113 C115 2203 005482 C119 C203 C204 C205 2203 005482 C206 C208 C209 C210 2203 005482 C211 C212 C213 C214 2203 005482 C215 C216 C217 C218 2203 005482 C219 C220 C301 C304 2203 005482 C306 C309 C312 C319 2203 005482 C401 C403 C404 C408 2203 005482 C414 C417 C428 C504 2203 005482 C505 C509 2203 006053 C124 C308 C421 C424 4 2 SEC CODE Design LOC 2203 006053 C425 C426 C427 2203 006093 C411 C524 2203 006137 C307 2203 00620
10. 2007 000162 R200 R202 R203 R303 2007 000162 R306 R307 R313 R315 SEC CODE Design LOC 2007 000162 R317 R323 R324 R501 2007 000162 R600 R601 2007 000171 R102 R105 R111 R112 2007 000171 R207 R305 R403 R532 2007 000172 R103 2007 000173 R507 R509 R510 R511 2007 000173 R512 R513 R516 R517 2007 000173 R531 2007 000174 R109 2007 000242 R502 R506 2007 000566 R106 R108 R320 2007 000982 R119 R120 R122 R123 2007 001288 R125 R129 2007 001301 R514 R515 2007 001305 R113 R115 2007 001313 R301 2007 001325 R304 2007 003001 R114 2007 007001 R204 2007 007008 R127 R128 R130 R131 2007 007009 R117 2007 007014 R300 R302 2007 007100 R402 2007 007107 R321 R322 2007 007148 R100 2007 007311 R110 R134 2007 007334 R519 2007 007480 R521 R522 2007 007489 R135 R518 2007 007573 R319 2007 008117 R318 2203 000233 C103 C104 C121 C300 2203 000233 C316 2203 000254 C125 C151 C154 C200 2203 000254 C201 C302 C405 2203 000278 C134 C143 C144 C501 2203 000278 C502 C510 C511 C601 2203 000278 C602 C603 2203 000359 C150 C310 4 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Hectrical Parts List
11. Lm SERVICE m GSM TELEPHONE GSM THEPHONE SGH X460 3 SAMSUNG Ny OUAU NB CONTENTS Specification Circuit Description Exploded Views and Parts List Hectrical Parts List Block Diagrams PCB Diagrams How Chart of Troubleshooting ELECTRONICS This Service Manual is a property of Samsung Hectronics Co Ltd Samsung Hectronics Co Ltd May 2004 Any unauthorized use of Manual can be punished under applicable Printed in Korea International and or domestic law Code No GH68 05344A BASIC 1 SGH X460 Specification 1 GSM General Specification GSM900 EGSM 900 DCS1800 Phase 1 Phase 2 Phase 1 Freq Band MHz 890 915 880 915 1710 1785 Uplink Downlink 935 960 925 960 1805 1880 0 124 amp ARFCN range 1 124 975 1023 512 885 Tx Rx spacing 45MHz 45MHz 95MHz Mod Bit rate 270 833kbps 270 833kbps 270 833kbps Bit Period 3 692us 3 692us 3 692us Time Slot 576 9us 576 9us 576 9us Period Frame Period 4 615ms 4 615ms 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 13dBm 33dBm 5dBm 30dBm 0dBm Power Class Spel 15pcl Spel 19pcl Opel 15pcl Sensitivity 102dBm 102dBm 100dBm TDMA Mux 8 8 8 Cell Radius 35Km 35Km 2Km 1 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Specification 2 GSM TX power class
12. TXDO RXDO RTSO CTSO JIG REC CHARGER OK RXD1 TXD1 AUX MIC AUX SPK and GND They connected to power supply IC microprocessor and signal processor IC 2 3 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Circuit Description C Battery Charge Management A complete constant current constant voltage linear charger for single cell lithium ion batteries If TA connected to phone CHARGER OK enable charger IC and supply current to battery when fault condition caused CHG ON signal level change low to high and charger IC stop charging process D Audio EARP P and EARP N from OM6357 are connected to the main speaker AUXSP is connected to the Hands free kit MIC P and MIC N are connected to the main MIC And AUX MIC P and AUX MIC N are connected to the Hands free kit YMU762C is a LSI for portable telephone that is capable of playing high quality music by utilizing FM synthesizer and ADPCM decoder that are included in this device As a synthesis YMU762MA3 is equipped 32 voices with different tones Since the device is capable of simultaneously generating up to synchronous with the play of the FM synthesizer various sampled voices can be used as sound effects Since the play data of YMU762MA3 are interpreted at anytime through FIFO the length of the data playing period is not limited so the device can flexibly support application such as incoming call
13. 7 dB max OUT E PIA Bl OUT B x kHz fmod FUJITSU DCS RX SAW Filter cu Q OUT FAR F6EB 1G8425 B2BC fF z YK DE IL 3 3dB max E a LL n NNS gt t Q OUT Ripple 2 0dB max Vcc SYN Vcc REF 2 AV typ OFFSET Mixer input power REF 13M 16dBm max 22dBm min Vcc_Tx_BURST Discrete 3 Order Loop Filter DATA CLK EN RXON GSM S W Philips Transceiver bos i TX ENABLE DCS S W U 536 FESWON MQ 10C869M GM5 824 Ss ME VCC SYN 2 7V 100mA S ey X 0 5V 30V z LE PON SYNT DCS 1710 1910 Me VCC RX TX 2 7V 100mA w 5V 30V Pout 4 0 9 5dBmt yp c lt 25n VCC RF VCO 2 70V 100mA V MODE TIUS IN VCC TX BURST 7V 100mA VCC CP 4 0V 25mA AVDD 1 35V min 2 65V max 100mA VDD1 1 35V min 2 95V max 150m VDD2 1 35V min 3 45V max 150mA VDD3 1 35V min 3 45V max 100mA VDD4 1 35V min 3 45V max 150mA 5 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Block Diagrams 2 Base Band Solution Block Diagram MC b e A s Ee i a 09 AD I nterface M BRAICR E MELODY IC Re ge eee oe ee RF I NIERFACE E x WC RF VO SYSTEM QLOCK l VOC TX BURST SRAM 32Mbi t x vm 256M bi t MC HAS KEY BORD pier VD ANP Targ ng RIC CLOCK Am AAD TENP 5 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung
14. Key Data Input Check Initial Operation When one of the keys is pushed Check the Dome sheet amp Key Pad is it displayed on LCD When one of the keys is hed pushed Replace the PBA KBIO signal is OK 7 13 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting 8 Receiver Part Receiver does not work U502 pin 3 8 12 15 1 5V Resolder or replace U502 EAR5OO pin 5 short Resolder EAR500 EAR5O00 pin 2 3 5 1 5V Resolder EAR500 CN600 pin 28 30 1 5V Replace CN600 Check the soldering of the speaker wire Modify the speaker wire soldering Is Receiver working END 7 14 Replace the Receiver SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 9 Back Light for Color Main LCD Backlight does not work Is LCD Contrast set on high Set LCD Contrast on high level level in the Menu Resolder R606 R323 Replace the PBA Replace the LCD Module Qe END 7 15 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s autho
15. This Document can not be used without Samsung s authorization Circuit Description E Memory Signals in the OM6357 enable two memories They use only one volt supply voltage VDD3 in the PCF50601 This system uses Samsung s memory KBB06A300M T402 It is consisted of 128M bits flash NOR memory and 128M bits flash NAND memory and 32M bits UtRAM It has 16 bit data line HD 0 15 which is connected to OM6357 It has 23 bit address lines HA 1 23 CS NAND and NCSRAM signals is chip select Writing process HWR N is low and it enables writing process to flash memory and SRAM During reading process HRD N is low and it enables reading process to flash memory and SRAM Each chip select signals in the OM6357 select memory among 2 flash memory and UtRAM Reading or writing procedure is processed after HWR_N or HRD N is enabled Memories use reset which is VDD3 delay from PCF50601 HA 22 signal enables lower byte of SRAM and HA 22 signal enables higher byte of SRAM F OM6357 OM6357 is consisted of ARM core and DSP core It has 8xIKword on chip program data RAM 55 Kwords on chip program ROM in the DSP It has 4K 32bits ROM and 2K 32bits RAM in the ARM core DSP is consisted of KBS JTAG EMI and UART ARM core is consisted of EMI PIC Programmable Interrupt Controller reset power clock unit DMA controller TIC Test Interface Controller eripheral bridge PPI SSI Synchronous Serial Interface ACC Asynchronous communications controllers t
16. melody music distribution service The hardware sequencer built in this device allows playing of the complex music without giving excessive load to the CPU of the portable telephones Moreover the registers of the FM synthesizer can be operated directly for real time sound generation allowing for example utilization of various sound effects when using the game software installed in the portable telephone YMU762 includes a speaker amplifier with high ripple removal rate whose maximum output is 550mW SPVDD 3 6V The device is also equipped with conventional function including a vibrator synchronous with music For the headphone it is provided with a stereophonic output terminal For the purpose of enabling YMU762MA3 to demonstrate its full capabilities Yamaha purpose to use SMAF Synthetic music Mobile Application Format as a data distribution format that is compatible with multimedia Since the SMAF takes a structure that sets importance on the synchronization between sound and images various contents can be written into it including incoming call melody with words that can be used for training karaoke and commercial channel that combines texts images and sounds and others The hardware sequencer of YMU762MA3 directly interprets and plays blocks relevant to synthesis playing music and reproducing ADPCM with FM synthesizer that are included in data distributed in SMAF 2 4 SAMSUNG Proprietary Contents may change without notice
17. 2174 L f mS 6 h a 3 4 Power Supply Cable 3 5 DATA CABLE 3 6 TA GH39 00143B GH44 004824 3 3 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 4 SGH X460 Hectrical Parts List SEC CODE Design LOC 0403 001427 ZD301 0406 001167 ZD604 ZD605 0406 001201 V501 V502 V601 V602 0406 001201 V603 ZD401 ZD402 0406 001201 ZD501 ZD502 ZD503 0406 001201 ZD504 ZD505 ZD506 0505 001423 U606 0601 001790 LED500 LED501 LED502 0601 001790 LED503 LED504 LED505 0601 001790 LED506 LED507 LED508 0601 001790 LED510 LED511 0801 002237 U301 0801 002882 U202 U303 U602 U603 1001 001253 U502 1009 001010 SW500 1109 001280 U300 1201 002075 U105 1202 001036 U501 1203 003105 U500 1203 003109 U304 1204 002161 U302 1205 002276 U200 1205 002327 U100 1205 002350 U400 1404 001221 V300 1405 001082 V301 V302 V304 V604 1405 001082 V605 V606 V607 V608 1405 001082 V609 V610 V611 V612 1405 001082 V613 2007 000140 R104 R311 2007 000141 R101 R205 R206 R314 2007 000142 R116 2007 000146 R308 2007 000148 R107 R118 R121 R124 2007 000148 R132 R133 R201 R400 2007 000148 R401 R504 2007 000157 R312 R316
18. 271 H 52 E i EI t Ie I P4 S ae s r3 TF Ii IM 8 D 8 es a IK Ew HH iw m 1 3 E le idi ke 3 gt c IE 2 xo p in 38 z o g D f e Be l j E T J m E lp ENS 38 8 8 Ew 7 a 0 MEE ge a i 3 i D 4E ee 4 I 5 is E lI a8 gr D ag ety 88 i 8g FE AR D ae gf F g 8 a B 83 2 2 2 R T 23 i 7 21 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization
19. 8 C402 C406 C413 2203 006257 C317 2203 006324 C412 C415 2301 001197 C111 2301 001213 C112 2404 001105 C314 2404 001225 C418 C419 C423 C429 2404 001239 C136 2404 001268 C135 C315 2404 001333 C500 C527 2703 001734 L104 2703 002199 L106 2703 002200 L101 2703 002203 L103 2703 002208 L100 L102 2703 002308 L109 L110 2703 002368 L112 2703 002700 L108 2801 004339 X1 2806 001329 OSC100 2809 001287 OSC101 2901 001246 U305 2901 001286 F600 F601 F602 F603 2904 001469 F100 2904 001470 F101 2909 001216 U102 3301 001105 L400 L501 L502 3301 001362 L503 3301 001438 R503 R505 3705 001242 CON101 3709 001298 CN500 3710 002115 CN300 3711 005487 CN600 3722 002067 EAR500 4302 001157 BAT400 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 5 SGH X460 Block Diagrams 1 RF Solution Block Diagram HITACHI METAL ANT SWITCH SHS CO90F Imax 10 mA Freq MHz Loss 880 915 1 5 dB 925 960 1 0 dB 1710 1785 1 5 dB 1805 1880 1 1 dB Atten 2xfo 24dB 25dB GSM DCS 3xfo 24dB 25dB GSM DCS RFMD PAM RF3146 GSM Pout 35 0 dBm E 55 DCS Pout 33 0 dBm E 60 BAND SELECT MRATA VBat 3 6V 3 0V min maid qe TX VO pc FUJ ITSU EGSM RX SAW Filter Pins IA IB QA and QB FAR F5EB 942M50 B28C Vo 2d 25V Y 1 15V 1 35Vmax IL 2 7dB max Viod 0 5V5 i Ripple 1
20. 999999999999 99999 ERES ELLER Te mo m H7 E4 F1lF3jE9 3261 H4 H2H141 F8 M7K7 K1 A5 B5 A6 B683 RF power supply z E E 7 RP ounadadadudauda PR i VDD KEY VDD AMP AVDD TER AVID Baseband power supply ju R403 0 vob von2 vona VDD_VIB C422 ca23 tt C421 NF 10UF UF V_MOLE Sav ve vasuP L C424 C425 C426 C427 UF UF F iuF 7 2 This Document can not be used without Samsung s authorization SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 2 Initial Initial Failure pe R200 RSTON H Check the circuit related to reset Is U303 pin 4 6 memory CE OK Check the U303 Check the circuit around LCD amp U302 Short or not solder ve END 7 3 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting voi AVD AVDD AV
21. Ah Nosas unen maj ao fa Liaz 2 vore n Lg ctx pa tea an vu CHG Oi ue TEN DU sus saxi e BOEN SUB MEL Ff i GPO Hoe R2055 R206 ND OF CHAI EN 20S 22K FP SC Block LCD MAIN E _ CLIE M CTS wa EAR SWITCI GPi010 e rea cc smo T csno csr HA O Cs NS KBIG x Ed SIMCLK Gp 1 KBIG 2 2 K n Pw DESH fe x i me KBS 38 To af MELODY C x 20 mus nus ed zz z To sf IMAGE CS x x o o KBIO 2888 Bo 2 EWE e Dura ET S v Bart GN KBI0 0 7 See EK Bao eee cw 5 o x x saje E n Gassen og terono iut 26 o CO mo D ir TD sek ud aa ow r 2 Mice vopi vopi vopi voDt Vopo vpo2 Vops voos voos vpps iG REKE 2 MoT 1 1 1 1 CHARGER 1 aM M AT ANT Du JTAG 32PN A b b A A A b A b A 5 5 E s E 8 8 8 8 8 8 8 8 8 8 AA A Dcos Pa Fite sige ic hes Beas BR DiFS pnNi2 pnP9 pint pins pint pnpa pinM6 pinG2_ pinL3 Sake EF BnNI3 pnMB Fow Chart of Troubleshooting 3 Charging Part Abnormal charging part ve No Check the the circuit related to Check the U304 pin 2 FEAN CHARGER OK Resolder or replace U304 No Check the circuit related to CHG ON signal U304 pin 5 CHG ON L Resolder or replace U304 7 5 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting
22. E s amp SSSSSe E SS Sissi ug M ls RRE LO L105 101 a 3 SI c e5 L C139 ER zs CN z UlO0d 1 Es C149 ai So o mS R124R121 mores g D Q aa C154 EE Eee sors ee C159C149C145 C137 R125 R109 C120 C125 mi UGo3 C300R302 C3 CO Ine ess Rd cg R300 c5 my al Seto LL Ta R600 D w S Se OSCLOOEEEE RS E 4 r3 8490124 Ed EIE ko m C2 R134 e N C12 n 2 gt C147 riz zi S4RI08 E c o ede C415 C418 C419 0406 TO Ei eer Ee SIN amp CCS E201 R321 t lolo ud SER SIS em SIS S Colo AAN V602 s2 IS G ole C508 C424 lt als C511 C422 C401 C502 C413 C425 Em C412 c220p428 427 CA26 S 3 3 DOG V302 C302R205R207R206 5B U305 V304 6 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization PCB Diagrams 2 Main PCB Bottom Diagram
23. SUP 2 m Baci belt ai 1U iUF iw UF 7 8 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 5 Microphone Part Microphone does not work No Check the connection from MIC Resolder MIC Resolder the R503 R505 C505 C509 R532 R502 and R506 Check the circuit from U200 to MIC No Replace the MIC Yes END 7 9 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Microphone Fow Chart of Troubleshooting Mic BIAS voD2 voo2 Close to microphone Coppe E P o H m aea 85 Swsoo p n EN 3a A3212ELH SAMSUNG ini 2 em deem Loss Es amp g R502 33UF 33PF i vc our 2 gt V7 C525 C501 AV av ma RP d us n E L en nis gee CTS he elie ol 3 2 T s Due NE E f 10 p BOP 7 Me OOM Siete Er L dR ab uc PN Bil toersoster l is ve E EXE z ve sor FLP CY Y gt Mic N s E cs2s oso 06 ien BA NC AURET 1 5K y wer af Eg E ER ner R U500 MIC5219 3 3BM5 MICROPHONE T me P o T vo
24. X460 A PCF50601 1 Power Management Ten low dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system performance and long battery life A programmable boost converter provides support for 1 8V 3 0V and 5 0V SIMs while a self resetting electronically fused switch supplies power to external accessories Ancillary support functions such as RTC module and High Voltage Charge pump Clock generator aid in reducing both board area and system complexity I2C BUS serial interface provides access to control and configuration registers This interface gives a microprocessor full control of the PCF50601 and enables system designers to maximize both standby and talk times Supervisory functions including a reset generator an input voltage monitor and a temperature sensor support reliable system design These functions work together to ensure proper system behavior during start up or in the event of a fault condition low microprocessor voltage insufficient battery energy or excessive die temperature 2 Backlight Brightness Modulator The Backlight Brightness Modulator BBM contains a programmable Pulse width modulator PWM and FET to modulate the intensity of a series of LED s or to control a DC DC converter that drives LCD backlight This phone SGH X460 use PWM 2 2 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authoriza
25. b K amp Vow Byp EE eno pi w A 2 uw T ome EUSEUSEUSDUIECZQ 2g SE IE Sie Si 3 Ux 21 E R518 8 pm nex gt tnmen LEDS1 1 LED500 LED501 LEDS02 LED503 LED504 LEDS05 LEDS06 LEDSO7 LEDso8 LED510 4 TCISWSGFKTEi2L A cR A amp RR CR RR Tenes Tela TUNE E KEY LED 130K 1 Es ot Eni L 3 i z s E E EAR500 7000 2 5G DBA EIS 3 i i EARPIECE a Ag Agi Ast BE EH GT BR BST EA TES BBS BB E 47PF E i i E ia 47PF L502 Ka isda Sy ame N 8 2849 K Enn P 2 GND HZ mep X o 18 VBAT 5 Mr GND ue Uso3 EE K in N RIT 1Quo1D R sreos PI bs 2 ES SP P las z eda D St ela sw 6 4 coss esse TUF 100NF ARY This Document can not be used without Samsung s authorization SAMSUNG Proprietary Contents may change without notice Fow Chart of Troubleshooting 6 Speaker Part Melody Speaker does not work Yes U301 pin 5 2 85V Resolder or replace U301 Check the Clock signal at Check the clock generation circuit Pin 1 of U302 13MHz related to OSC101 and U301 U302 pin 17 18 18V When U400 operate Resolder U302 No Check the circuit related to SPK P SPK N signal CN600 pin 28 30 18V No Is Speaker working T Change the Speaker 7 11 SAMSUNG Proprietary Contents may change wit
26. data to select channel and use fast lock mode for GPRS high class operation 5 UAA3536 U100 This chip integrates two differential input LNAs The GSM input supports the E GSM DCS input supports the DCS1800 The LNA inputs are matched to the 150 ohm differential output SAW filters through external LC matching network Image reject mixer downconverts the RF signal to a 100 KHz intermediate frequency IF with the RFLO from OSC100 voltage controlled oscillator The RFLO frequency is between 1801 1921 MHz The Mixer output is amplified with an analog programmable gain amplifier PGA which is controlled by AGAIN The quadrature IF signal is digitized with high resolution A D converts ADC 2 1 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Circuit Description B TX PART Baseband IQ signal fed into offset PLL this function is included inside of U100 chip UAA3536 chip generates modulator signal which power level is about 1 5dBm and fed into Power Amplifier U105 The PA output power and power ramping are well controlled by Auto Power Control circuit We use offset PLL below table 200kHz offset GSM 35dBc 30 kHz bandwidth DCS 35dBc Modulation Spect 400kHz offset GSM 66dBc TET E UAS D 30 kHz bandwidth DCS 65dBc 600kHz 1 8MHz offset GSM 75dBc 30 kHz bandwidth DCS 68dBc Ill Baseband Circuit description of SGH
27. hout notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting Speaker lt HRDN VDD3 VDD2 lt HA 1 MELODY S VDD2 VDD2 lt HWR N lt HD 0 U301 HD 1 coo ne vec lt oor 51K 2 8 m 8 R R a X 8 a VENIR S el i e pg d iB5h5 R302 3 4 3 s 4 EM GND OUT VVV CLKI D2 lt HD 2 n x TC7SHO4FU TE85L ten ps K v0 meam T La e IRQ D4 S lt HD 4 x N M RS RST D5 S HD 5 E o U302 E lt Ne YMU762C QZE2 D6 lt HD 6 Ex o PLLC D7 lt HD 7 5s o E vp MIR gt vB Sar Vs spouz 3 3K T gt AMP_N B 2 g C303 VERS a g pouT 27PF e o 8 8 amp amp oO X I u ui wu o o Oo b AMP P C305 c306 ons FEE EEL EE 1NF 100N 100N VDD3 U606 C307 s lt C VDD_ANP FDG6323L 22NF R305 E al C308 C309 C32 TENNI R308 1E 100N 33PF 2 vc R323 MELODY IC 6 8K V C1 1 ON OFF 100K dL 6 pm R2 R1 C1 R312 C310 _ L RSTG 47K 150PF a 4 C312 R314 2 2K 100NF ANN 4 EARP_A SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7
28. imer ADC RTC Real Time Clock and keyboard interface KBIO 0 7 address lines of DSP core and HD 0 15 HA 1 23 address lines of ARM core and HD 0 15 data lines of ARM core are connected to memory YMU762 MV317S Camera DSP Chip controls the communication between ARM core and DSP core CS NAND NCSRAM NCSFLASH in the ARM core are connected to each memory HWR N and HRD N control the process of memory External IRQ Interrupt Request signals from each units such as PMU need the compatible process KBIO 0 7 receive the status from key and RXDO TXDO IrDA DOWN are used for the communications using IRDA and data link cableeDEBUG_DTR RTS TXD RXD CTS DSR It has JTAG control pins TDI TDO TCK for ARM core and DSP core It receives 13MHz clock in CKI pin from external TCXO ADC Analog to Digital Convertor part receives the status of temperature battery type and battery voltage G VC TCXO 214C6 26MH2Z This system uses the 26MHz TCXO VC TCXO 214C6 AFC control signal from OM6357 controls frequency from 26MHz X tal The clock output frequency of UAA3536HN is 13MHz This clock is connected to OM6357 YMU762 2 5 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization 3 SGH X460 Exploded View and its Parts list 1 Cellular phone Exploded View 1 QFU01 QLC67 QMO02 QFRO1 QSP04 QKP01
29. le o VI m Lj SENSOR REALTIME aoa R401 e vDD_3V05 aoc ir 32K 10K 4 veat INTERNAL MAT BATTERY VBA 1 C409 J5 veack 7 SUPPLY r3 VOLTAGE SPF cao ZD401 T MODULE MONITOR BACKLIGH 470NF CeGSH H6 ISUPA a siena CHRVBA D3 cai L eme 4 suo gt sy CHARGE CHRREQE2 an iur contro f CHRNEL VBAT LE AUT VBAT B7 BLVBAT Back LIGHT 8 Ar BLVIbS 3 a el C412 As BBMGS 22UF L __ __ __ ___ o RFveat f Gi Rivo F10 RFISNS LINREG VCC SYN 5 provo Hvsveafcs VCC RX TX lid HIGH VOLTAGE HysaNrjBa ool EB RFIS SUPPLY HVSSCPco C413 E Fo RFIVDB SWITCH CHARGE HVSSCNA10 esa pee y ame ERES E19 RF2SW PUMP Hvse B10 PON TX RF2VDIB ures f Hvsvbripa vcc TX BURST 7 L cus RF power supply 220 Vcc ce B 8 8 8 8 s Laoo B S 9 E 8 BLM11A1025PT a Balls Bla Nc2 TCO cas ca7 AEREE ORK Nc ae ae Nc 100NF 9 zs22225222 2222252285 285 A aag Ezgi agg 8288S Ea No Los s2228828925250552505500 S5u ae EFH Le S 299999999999999999999 anan amp 238088gg900 2222 EEE SS c l w eps abdo kee ledarbal FE e dide bai se Kopsteshebapa nq dL RF power supply E E z m Ex VDD KEY VDD AMP AVDD TER AVDD Baseband power supply A R403 y vobi vop2 voos vob vip cazz cos t cum ATONE 10UF ur V MorE 63V VE VI
30. rization Fow Chart of Troubleshooting 10 Key Back Light Key Backlight does not work U500 pin 3 H Check the PMU related to VDD KEY 7 16 Resolder or replace U500 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 11 GSM Receiver RX ON RF input CH center freq 67 7kHz Amp 50dBm No Resolder CON101 L112 U102 Pin10 gt 65dBm No U102 pin8 gt 65dBm Check U102 Pesk V102 Check ANT Switch pin7 L pin4 control circuit Yes Resoder U102 Resolder F100 C100 L103 U100 pin32 gt 70dBm pin33 gt 70dBm Resolder L100 L101 L102 Check amp Resolder U100 RF26MHz RF PSU Part R119 R120 R122 R123 gt 1V ve Check U200 mo 7 17 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting 12 GSM Transmitter TX ON 5Level 1 Yes pios rdi Resolder CON101 L112 No U102 pin10 Yes Check U102 gt 2 pin7 H 2 68V OdBm pind L Change or Resolder U102
31. s authorization ANTI 6 SGH X460 PCB Diagrams 1 Main PCB Top Diagram L108 i CO C320 c603 c601C602RA01 Cc S B S ce C CO e de L 40488 mB 6 zu C100 e res C529 L50 LL A 2 c3 ZD505 CN x G 10 F600 F603 cog 3 20503 C J e LO e Pig s SiGe F C151C150 S ISmS m
32. siucik ML414R F9GE OS PEKEREN cao7 eres ae m Je MCBIAS t n MBE r ar ROER PRINS FC 135 0 032760 osa Fe ME ISP a VBAT TEMP Hia b hmp OSC32 9 vt caos SENSOR REAL TIME R401 evpp avos 100NF d 6 R402 10K Ka wat mrena EAT BATTERY VBA r Ca09 32K J5 AE SUPPLY 9 cao BACK MODULE MONROE m BACKLIGR Ex 2401 z MONITOR 470NF uClampospt H Hej 1SUPA lt _ gt interna CHRVBA D3 Can J4 supo se CHARGE CHRREGE2 e Tur VERE coNrRoL CHRIVE x VBAT M EE B7 BLVBAT BACKLIGHT gt A7 BLVIDS er C BBMSW pitis C412 A8 BBMGI 22UF Le ee p 689 RFVBAT Gig RFIVD Fro rrisvs s inne venam Hid RFVDBI RF2SNS ls vec RI TX E Hen VOLTAGE eae vam D Es RFISW SUPPLY t HVSSCI h ails C413 NE FP nrwom swiron Ge B Miei e oae a7 FF E10 RF25 gt PUN HVsc 10 PON Tx J10 RF2VDB 3 LINREG svoda vcc TX BURST am Gane RF power supply T Vcc cP 5 8 8 8 Lao x gel 82 8 5 BLM CA vozsPr f i m B als Blas nel OY cai Bee B BR Szzf gS 1 C418 C419 NOR uw Bee E re Nus Ne 100NF r anzssnas225222225222858 885 388588888888 883288858 ne L cam t BOBPPEDODSS22022929229 aam 2228222523229 S gees a8 Tow amp 9999
33. tice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting 14 DCS Transmitter TX ON OLevel U102 pin10 Yes gt 13dBm no Yes U102 pin1 gt 13dBm U105 pin31 Yes gt 13dBm U105 pin37 Yes gt 15dBm U105 pin37 yes gt 12dBm U101 pin6 7 8 9 Yes gt 500mV ive Check U200 mo Resolder CON101 L112 Check U102 pin7 L pina H 2 68V Change or Resolder U102 Check ANT Switch Resolder C141 Check U105 VBATT 42 43 37 OK No control circuit Resolder or Change U105 Resolder R129 R130 R131 Check amp Resolder RFLO signal RF26MHz RF PSU Part Check U100 pin 10 22 23 gt 2 7V OK Yes Check VBATT or PAM control signal Resolder U100 7 20 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Fow Chart of Troubleshooting Transmitter 4 3 E az 2 E 8 8 g FH B 5 A E Y M EA EA X RR ri by H Af 7 T ss E E g2 B Hw E i2 D rm s B 82 1 z3 38 35 bga EN b L d 3g 38 m 38 8 amp M wy 2
34. tion Circuit Description 3 Clock Generator The Clock Generator CG generates all clocks for internal and external usage The 32768 Hz crystal oscillator provides an accurate low clock frequency for the PCF50601 and other circuitry B Connector 1 LCD Connector LCD is consisted of main LCD color 65K UFB LCD and small LCD B W Chip select signals LCD MAIN CS and LCD SUB CS can enable Each LCD Backlight signal enables white LED of main LCD and small LCD RESET 2V 8 signal initiates the Reset process of the LCD 16 bit data lines HD 0 HD 15 transfers data and commands to LCD through by pass capacitor SPK P and SPK N from OM6357 are used for audio speaker And VDD VIB from PCF50601 enables the motor 2 Key This is consisted of key interface pins among OM6357 KBIO 0 7 These signals compose the matrix Result of matrix informs the key status to key interface in the OM6357 Power on off key is separated from the matrix So power on off signal is connected with PCF50601 to enable PCF50601 twelve key LED use the VBAT supply voltage VDD KEY signal enables LEDs with current control FLIP informs the status of folder open or closed to the OM6357 This uses the hall effect IC A3210ELH A magnet under main LCD enables A3210ELH 3 EMI ESD Filter This system uses the EMI ESD filter EMIFO9 to protect noise from IF CONNECTOR part 4 IF connetor It is 24 pin connector They are designed to use VBAT V EXT CHARGE
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