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7. Flow Chart of Troubleshooting

1. 7 24 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 25 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 12 FM RADIO FM Radio function does not work J gem No Check the Insert Insert the Earphone or Change the Earphone Earphone Yes No R624 2 8V Check the U603 ves No U603 TP605 H Check U200 Replace the U603 END J 7 26 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting C620 C618 C619 _ _ _ R_ANT T T 2 9V dis C623 L604 C624 4VDD IO HIGH CD1 BUSENABLE CD2 CAGC CD3 RFIN1 CLOCK RFIN2 CPOUT SWPORT R618 DATA TIFCENTER AGND TMUTE DGND VAFL DGND VAFR SDA DGND vcc RFGND VDD 32KHz OUT gt FREQIN VREFDIG TP603 INTCON1 XTAL INTCON2 NC INTX NC LO1 NC Lo2 NC LOOPSW MPXOUT
2. L cas gt BURST Pos ELM cus NEG bos 23V oom bs lza bo ko for lao Jeo ps s ls Fons z A 282 2 2825522285856 scp lu 807 E 5 8 a 8 8 nus 1 g Davpp 39 VD LOW tP 2 simpsvear 40 21 smavec E77 canon l2 ahaa 1 5 Levon U400 5 i smrsco 3 3 ls a 7 smen TI 16 5 poz ls eat Cao Gaz C417 crore tt ti 49 7 REC2 50 g M 2 g 5z gx BE B5 85 E B B B B wc ss 28285835585 EN 2555 5 E d 9 wp ww o ef 7 6 5 4 3 2 1 PED K mux on zm set Em D gt SoA lt sunsr lt oIM400 Bass X2 ZD501 7 9 C314 C313 300 C317 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 5 Microphone Part Microphone does not work Check the connection from MIC Resolder MIC Check the circuit from U200 to MIC Resolder the C603 C607 R601 R604 R630
3. Flow Chart of Troubleshooting Typical 3 7V VBAT o V_EXT_CHARGE gt VDD_IO_HIGH R510 Typical 1 4V A MES 20500 C503 C504 ZD501 2 ii 5 a 0502 170505 R512 clear 10 Te dr aie 2 5 ICDL 9 ON 3 GND 8 END OF lt 4 cHG USBON 7 amp USB ON ON y 5 EN IMIN 6 GND l cso asis 5 zu 7 7 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 4 Sim Part Phone can t access SIM Card Check the sim charge pump No SIM400 pin 1 5 Yes After Power ON No Check SIMCLK Signal on gt pin3 of SIM400 in a few second Yes No After SIM card insert SIM400 pin 2 H SIM RST Check the SIM Card ves END 7 8 Check the Clock Replace PBA SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting
4. 12 L gt 65dBm Yes gt U100 D1 gt 70dBm C1 gt 70dBm No Resolder C104 C105 L104 L105 Yes Yes ves Check U200 END 7 32 Check ANT Switch control circuit Resolder Module1 No Check U100 0100 H7 H8 7 8 J2 A6 B6 A9 E9 _ gt 1V gt 2 7V Check amp Resolder U100 R114 R116 RF26MHz RF PSU Part Resolder U100 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 17 DCS Transmitter TX ON OLevel Resolder CN100 C101 Resolder L110 C117 L112 C139 Modulel pin13 Yes Check Modulel ne Check ANT Switch gt 18dBm pinl2 H 2 68V control circuit pin9 pin10 L Change or Resolder gt Module1 Check U101 VBAT pin4 ok 0101 pinl gt 110 Resolder or Change U101 Check VBAT or U101 control signal Check amp Resolder U100 R114 R116 RF26MHz RF PSU Part Resolder U100 No g Check U100 0100 H7 H8 J7 J8 No J2 A6 B6 A9 E9 No gt 1V gt gt 2 7V OK Check U200 END 7 33 SAMSUNG Proprietary Contents may change w
5. 7 How Chart of Troubleshooting 7 1 Power On Power On does not work J Yes Check the Battery Voltage No is more than 3 4V Yes No Yes Check the Clock at No R401 32KHZ Yes C424 VDD IO LOW amp C423 VDD_IO_HIGH ig Yes No C402 VDD_GSM_CORE 1 8V lt Check for the clock at C303 No gt 26MHz Yes Check the initial operation Yes END 7 1 Change the Battery Check the PMU related to VINT Resolder OSC400 Check the related circuit Check the VDD_GSM_CORE circuit Check the clock generation circuit related to U100 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting C312 26M CLK 4 0302 K 6 0 2 m N VCC_SYN R313 R315 VCC_SYN GND OUTY R314 NNV gt gt 26M_DIGIT C315 m D_REF_CLK SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 2 Initial Initial Failure Yes A
6. TP606 G 7 27 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 13 BLUETOOTH BLUETOOTH does not work lt T Check the 0200 Yes No Replace ANT300 o Replace U301 lt END 7 28 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting VDD IO LOW L300 ANT300 C313 C314 vec VDD18V IO SPICLK UART_CTS USB SPICSB SPIMISO SPIMOSI UART_TxD RESETB PCMCLK DCL PCM_IN X_IN PCM_OUT PCM SYNC TP316 TP317 AlO0 RF IO PIOO PIO1 Plo2 4 5 PIO8 BLUE TOOTH U301 C601 S ZD60 7 29 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 14 GSM Receiver RX ON RF input 62CH Amp 50dBm Modulel pinl pin2 No gt 65dBm No U100 1 gt 70dBm F1 gt 70dBm U100 H7 H8 J7 8 gt 1V Yes Yes Check U200 Resolder CN100 C101 Check Modulel 9 10 12 L Yes Check ANT Switch control circuit Res
7. C3 DIM EN 2 1 Lepai 590S 3WK SD T LEDS LCD_BL_ON C gt 3 ENM LED5H LEDS S s FLASH ENT 4 ENF1 LEDTH STROBE YENF2 LEDs ME E n S D 6 zs FL S j LED7 i g fava E 5 C 7 20 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 10 Key Back Light Main Key LED does not work No Check the U200 related to KEY LED ON 0700 pin6 H Typical 3 7V VBAT K AOT 0603P W03 X KEY_LED 7 21 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting CcO O NIMIIN C700 i 1 s Eg pe DIGIT2 bem E DIGITS D eras d wee 7 22 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 11 Camera part Camera function does not work gem Check the Camera I _ Reconnect the camera module connector on Slide PCB pe No CN2 Pin 19 22 2 8V Check the U400 or IC5 Yes No Check U
8. R631 Check U601 U602 PIN 1 H Check the JACK_EN signal Replace the MIC Yes No Yes END 7 10 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting MIC BIAS MIC BIAS BIAS BB Close to microphone u600 Close to MCP um c R600 7 6 BG R601 ji MICROPHONE s ono wi 8 5 c603 1 1 1 L600 9 5 vec asy T 10 3 so 3s Z b C606 9602 1B0 L601 12 i vec A0 gt R603 5 155 C607 ceos RR i R604 3 R605 JACK_EN gt gt 20600 R606 L cos co EI CO SOT NI xr TSI CO co 31 8 7 11 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 6 Speaker Part Melody i Speaker does not work Yes Check the U602 Pin 3 15 Check the U300 Check the U604 Pin 5 Check the U604 Pin 1 LOUD_EN EAR1 Resolder U604 Yes U300 pin 17 18 1 8V Resolder U300 When U300 operate Check the R714 R715 Reso
9. control signal Check U100 U100 H7 H8J7 J8 No 2 6 6 9 9 No oa av g gt 2 7V OK RF26MHz RF PSU Part Check amp Resolder U100 R114 R116 ic Resolder U100 Check U200 END 7 35 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting H g Y Y Sn og 8 i 8 HH ol L HHHH e i 2 2 IK 8 1 T al z g 3 if HH 7E 3 11 HH g z mie 1 e p lA 2 H 2 E AAA 8 A Fy E D l 1 pl i i mA A 1 1 3 1 8 HR 6 E i g ike amp 2 2 sja i i l 2 m ali T P J i PIE H w E Po P i 2 E M 2 o 5 a D 7 36 SAMSUNG Proprietary Contents may change without notice This Document can not be
10. used without Samsung s authorization Flow Chart of Troubleshooting En ze S cole lt e3 60TH CO ioo NC Speo O 6015 d 7 37 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 38 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization
11. vans U gt KEY ROWO GPIOATZ VS EXT RE ROT XA ROD Gion2o 93 ico pe uo ON REY_FOWG Fla TEC Brows ussow tt Dem mr Mom mean use intertsce cen zn E KOO Cour encors 6566655656565666556665 0080000 TP225 e gt ATK svooo Low mo rasta Too Es Tus IO LOW IO LOW IMAGE DD IO HIGH R307 R309 56 LCD RESET gj sf K RSTON zl es s rst de othe s RsT IMAGE 7 4 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 5 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 3 Charging Part Abnormal charging part Check the U505 pin 1 No gt 4 9V Yes No Yes No Check the U505 pin 10 No 4 2V 7 6 Check the circuit related to V_EXT_CHARGE Resolder or replace U505 Check the circuit related to AUX_ON signal Resolder or replace U505 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization
12. 0 4 gt KEY COL 3 KEY COL 2 KEY COL 1 KEY COL 9 STARI piarr7 010174 DIGITI DIGIT2 4 1 1 z 1 1 ki 1 1 KEY_ROW 0 4 gt KEY ROW O 5 o 1 1 5 o o 1 o DIGITO DIGITS DIGITS DIGIT3 DIGITS CAMERA VDD IO HIGH U701 FLIP gt gt KEY MAP KEY ROW 3 gt Row 2 M KEY ROW 4 V DOWN 3 lt lt KEY_ROW 2 KEY COL 1 V COMMON 4 gt gt KEY ROW 2 SERA GND za SIDE_KEY V702 v703 v704 ZD701 VOL701 KEY ROW 3 IN 2 KEY COL lt OUT 3 GND 8 ONKEYN lt 13l E E CAMERA KEY END END KEY ZD700 7 16 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 8 Receiver Part Receiver does not work Yes No 0602 pin 1 5 15V Resolder U200 or change PBA Yes No U602 pin 4 16 1 5V Resolder or replace U602 Yes No CN700 pin 52 54 1 5V change U200 Yes No spk E PAD a 5V Change the Board to Board Connector Yes Yes No n a a Modify the speaker wire soldering spaeaker wire Replace the Speaker No Is Receiver working Yes END 7 17 SAMSUNG Proprietary
13. 302 pin2 pin4 related to 26Mhz and R303 Is there another problem Replace the camera module END 7 23 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting HD 0 15 lt 6 D2 C2 Ca C5 TP309 010 S_RST amp E RS LCD MAIN CS LCD SUB CS L RD L WR Y 0 7 em U305 gt LD 0 15 Dyes T ped tos E88 to2A byes TS Dvss LD3 l8 DVss LD4 pvas L05 ee TTY 1n A Ea TT Des bie Ty VD IMAGE mE Lot Kc ie ine TTY To e Une 8 ions A MD1 LD15 M3 MD2 1016 4 LD17 R311 MD4 MD5 MD6 IMAGE INT MD7 WEn MD8 OEn MD9 CS3n IMAGE MD10 HA 1 MD11 ei HA 2 MD12 G10 MD13 lt lt 26M_DIGIT MD14 CLKO C10 MD15 SMCLK 8 M CLK PCLK 79 4 PCLK HREF fgg HREF GPIO8 MD16 VSYNC A10 g VSYNC GPIO7 MD17 SDA B10 M_SDA GPIO6 SCL M_SCL GPIO5 A RESET VDD IO LOW lt lt IMAGE RESET GPlO2 L3 VDD IO HIGH Gro Hie GPIOO Es LRS IO HIGH LL E tesa SVED R318 C318 5 R317 C316 svpp A LREN LWEN CVDD L4 1 cvpp ce Dio CVDD VDD GSM CORE DH cvpp 10 012 013 4 DIA NC NC 015 319 016 017 I
14. Aii No Q300 pin 4 RSTON H m Check the circuit related to reset Is U200 R214 R215 No Check the U200 OK Check the 16bit data signal amp memory CE END 7 3 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting voD Gsu core svooo Low m oo jo HIGH c jo Low cone c ao E E une Io LOW VDD CORE C HIGH C use AVDD HFA vas ad cmi OmT er ast Dor pa Stone e l e iz sels ME E lolol a z 44 sedes Sja az s e 3 212 8155192 TS Y uu uuuu uuu dU be one 222222222 E f ge R888883 BBRRRRRRR Ato e823 5 BURRPLTRERR orn nee me qoo gt stone Sd Sia 3 V Icuazo
15. Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting Typical 3 7V a VBAT a x o M ais 17 16 15 14 13 a rr Z AN gt 21 r NC 22 NC D4 Har ce ANR aps 1 T 11 LOUD EN P 00 162 451 MELODY SEL SF IN 3 4IN go R CONTROL gt 251 gs2 nrl skn 3n 8 2 5 Oo o a 7 18 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 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 No Change the board to board Connector IC2 PIN 1 Vbat Check the U601 amp the related circuit 7 19 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting TYP3 E a amp SS LEDIHS LEDa H3 Ice LEp3H2
16. GPioa1o M mace Reser R202 HE eas 15 corsa Grow ner F Grom cinsas astext nesico Bia n TPS a Gross Es x E M EI Gross E m amp Pon Tx od pes gl perez KEY LED_ON gt eurst a rouo Pe s 59 mnie S Ej E p em B6 fal neser K nstextn x m z REF CLK E Tum E mo PA are pa mau ow azl vrer 4C E U200 M12 gt wc C219 8 T EX RX TX OP e RON a me Wes BATT Los T E a prove me iem ime ien L yane E pres Ere fal 2 m iem LLL amp Ma cam a ps E g Ea 15 cst auxmicn ETT e TP213 AUXMICN E Wr Tas jose M pr ant KE iz ae von io E 223 bis Bet 0020109 E Bs Bluctooth data trace Haroni Doge 1 EN FS moss bu Planoan ou cosa RLCONTROL seu mu mass PT per Rt Grioss V noto sap E us soap 221 remonta PE NO OF cuo peri FLASH EN a y smek Moz F2 apioB2 45 gt smio
17. TT P 11 uw hs ee ar 5 14 13 arr 0020 21 sy Ne STi 7 zi ee T LOUD EN lt lt S Hisz U602 asi npr z d MELODY SEL 3 ji2iN 3 4IN jo R_CONTROL C304 305 3 ___ R303 C306 AMEN A 4 5 a 392 xn sekn gt 9 2 6898 R304 29 s e 7 8 KE N NNV l lt lt _ R306 cati A AA z z 2 MELODY IC 7 13 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting C223 C222 suis z H TI NI c2 Coy LO CO CO o CO OD OO C9 COLT NIN U300 C305 7 14 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 7 Key Data Input Check Initial Operation When one of the keys is pushed No Check the Dome sheet amp Key Pad Isn t it displayed on LCD When one of the keys is pushed KEY ROW 0 4 KEY COL 0 4 signal is OK Resolder V702 703 704 705 706 amp Replace the PBA END 7 15 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting KEY_COL
18. ithout notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 18 PCS Receiver RX ON RF input 661CH Amp 50dBm Resolder CN100 C101 Check Module1 No pin9 H 10 pinl2 L No 1 pin5 pin6 gt 65dBm Yes Yes gt No Resolder C115 C116 L108 L109 U100 1 gt 70dBm 1 gt 70dBm No Check U100 U100 H7 H8J 7 8 J2 A6 B6 A9 E9 gt 1V gt 2 7V Yes ves Check U200 END 7 34 Check ANT Switch control circuit Resolder Module1 Check amp Resolder U100 R114 R116 RF26MHz RF PSU Part Resolder U100 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 19 PCS Transmitter TX ON OLevel Yes Module1 Pina e CN100 C101 gt 20dBm Resolder L101 C117 L112 C139 Modulel pin13 Yes Check Modulel Check ANT Switch gt 18dBm go MO control circuit gt Change or Resolder Modulel Check U101 VBAT pin4 ok 0101 pinl gt 110 Resolder or Change 0101 Check VBAT or U101
19. lder U602 Check the board to board Connector Check LCD MODULE SPK SPK Operate Change the Speaker Is Speaker working 7 12 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting CN700 19 13 20 FLASH_EN 23 2 24 STROBE 6 RST IMAGE 25 26 M CLK 27 T M SCL 29 30 M SDA 31 spp PCLK 33 34 94 2 VSYNC 35 ll hl HREF z ss LL 4VDD_IO HIGH 29 op l D L 4 OLED EN 41 42 Be e el e e e S o VDD_IMAGE 1 9V 43 E E LCD BL ON 45 N S d DIM_EN 47 E 51 52 52_ SPK_N 53 54 Se LEE SPK P 55 55 R715 jaa o C708 C709 C710 C711 C712 C713 C714 C715 C716 R716 lt lt VDD IO LOW TP301 IO HIGH e lt lt 1 lt CS5n MELODY lt WEn lt HD 0 lt HD 1 26M DIGIT lt lt MINT lt lt RSTON gt lt lt HD 5 21 lt lt 20 7 HD 7 Typical 3 7V 19 a VBAT VDD o MTR lt lt VIB H R300 g SPOUT2 y y Y 2 t SPOUTI 2 2 a o 8 a
20. older C106 C108 L107 Check U100 J2 A6 B6 A9 E9 gt 2 7V Resolder Module1 Check amp Resolder U100 R114 R116 RF26MHz RF PSU Part 7 30 Resolder U100 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 15 GSM Transmitter TX ON 5Level Resolder CN100 C101 Check Modulel pin10 2 68V pin9 12 L 1 11 gt Check ANT Switch gt 18dBm control circuit Yes gt Change or Resolder Module1 Resolder R122 Check U101 TMBAT pim Resolder Change 0101 No Check VBAT or 0101 No control signal No Check U100 H7 4748 Dro Sak gt 2 7V RF26MHz RF PSU Part gt Resolder U100 Check U200 D 7 31 SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 7 16 DCS Receiver RX ON RF input 698CH Amp 50dBm No Moduler Pins h Resolder CN100 C101 gt 65dBm No Check Modulel No 1 pin3 pin4 c X 10

7. Flow Chart of Troubleshooting

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